CN111660029A - Automatic welding equipment for off-track type girder - Google Patents
Automatic welding equipment for off-track type girder Download PDFInfo
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- CN111660029A CN111660029A CN202010607546.9A CN202010607546A CN111660029A CN 111660029 A CN111660029 A CN 111660029A CN 202010607546 A CN202010607546 A CN 202010607546A CN 111660029 A CN111660029 A CN 111660029A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of automatic welding, in particular to an automatic welding device for an offset rail type girder, which is applied to horizontally welding rails on two sides of the top end of a girder prefabricated panel, and comprises the following components: placing a rack; the side elastic positioners are arranged on two sides of the placing frame at intervals; the rail end face clamping positioner is arranged at four corners of the top end of the placing rack; the duplex bidirectional moving sliders are horizontally arranged on two sides of the placing rack; the elastic double-wheel butting device is characterized in that the working end is vertically arranged on the double working ends downwards; the double-working end of the double-working welding frame is arranged between the double working ends of the elastic double-wheel butting device in an inclined manner towards two sides of the welding surface of the rail; the duplex suspends portal frame in midair sets up on the rack top, and the device can be fixed a position prefabricated panel automatically, and can the automatic weld track, and work efficiency is high.
Description
Technical Field
The invention relates to the technical field of automatic welding, in particular to automatic welding equipment for an offset rail type girder.
Background
The tire crane belongs to a class of hoisting machinery, the rail form of the girder of the tire crane is various, welding deformation can be generated when welding rails and girder panels of a welding type trolley comprises a square steel rail, a P43 rail, an A75A rail and the like, in order to reduce the welding deformation, the welding process of the rails is continuously improved and perfected, and various preparation processes before manufacturing are improved and updated. The eccentric rail type girder of the tire crane has the advantages that the rail is arranged on one side of the girder panel, so that the single panel is easy to shrink and deform towards one side of the rail when the rail is welded in the past, and the deformation has great influence on the later-stage box body forming.
Chinese patent CN201610440862.5 discloses a manufacturing process of an offset rail type girder, which comprises the following steps: nesting: according to the whole length and width size lofting cutting of two girder panels side by side, make girder panel prefab, the cutting: processing the prefabricated part along the parting line according to a breakpoint cutting method, and welding the track: fixing and welding the girder panel rails on two sides simultaneously according to a rail mounting line which is marked in advance; and (3) correction: the connecting section in the breakpoint cutting is corrected in an initiating manner; disconnecting: and (4) disconnecting the connecting sections between the girder panels on the two sides, and finishing the eccentric rail type girders on the two sides.
When the offset rail type girder is used for welding a rail, manual spot welding, robot spot welding and the like exist. The manual spot welding has the disadvantages that the quality depends on the technical level of a welder and the exertion state during operation, the welding quality is unstable, the labor intensity of the worker is high, and the cornea and the skin of a human body can be damaged by smoke and high temperature generated during welding. In order to solve the problems, the robot spot welding is invented, has the advantages of high working efficiency, capability of working in a severe environment, no need of worrying about health problems and the like, and does not have the automatic welding equipment for the offset rail type girder rail.
Disclosure of Invention
In order to solve the technical problem, the automatic welding equipment for the offset rail type girder is provided, and the technical scheme solves the automatic welding problem of the offset rail type girder rail.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides an off-rail formula girder automatic weld equipment, is applied to and welds the track level in girder prefabricated panel top both sides, and welding equipment is including: placing a rack; the elastic positioning device comprises at least three side elastic positioning devices and at least two end surface elastic positioning devices, wherein the side elastic positioning devices are arranged on two sides of the placing frame at intervals, the working ends of the side elastic positioning devices are in butt joint with two sides of a girder prefabricated panel in a working state, the end surface elastic positioning devices are arranged at two ends of the placing frame at equal intervals, and the working ends of the end surface elastic positioning devices are in butt joint with two ends of the girder prefabricated panel in a working state; the rail end face clamping positioner is arranged at four corners of the top end of the placing rack, and in a working state, the working end of the rail end face clamping positioner and the working end of the vertical surface rail clamp two ends of a rail to enable the two ends of the rail to be flush with a rail mounting line on the girder prefabricated panel; the duplex bidirectional moving sliders are horizontally arranged on two sides of the placing rack, and in a working state, the double working ends of the duplex bidirectional moving sliders horizontally move from the middle position of the placing rack to the two ends; the elastic double-wheel butting device is characterized in that the working end is vertically arranged on the double working ends downwards; the double-working end of the double-working welding frame is arranged between the double working ends of the elastic double-wheel butting device in an inclined manner towards two sides of the welding surface of the rail; and the duplex suspension portal frame is arranged at the top end of the placing frame.
Preferably, the side elastic locator comprises: the working end of the first double-shaft double-rod cylinder is horizontally and outwards arranged at the bottom of the top end of the placing rack; the vertical plate is arranged at the working end of the first double-shaft double-rod cylinder; the fixing box is arranged on one side of the top end of the vertical plate, an inclined surface is arranged on one side, facing the girder prefabricated panel, of the fixing box, and in a working state, the first double-shaft double-rod air cylinder is started to enable the inclined surface to abut against one side of the track, and a dovetail wedge is arranged on the inclined surface; one side of the obtuse angle abutting block is provided with a dovetail groove in sliding connection with the dovetail wedge; the first lifting column vertically penetrates through the fixing box and is arranged on the top surface of the obtuse-angle abutting block, and a first limiting ring is coaxially arranged at the inner part of the first lifting column, which is positioned in the fixing box; the first spring is coaxially sleeved on the first lifting column, two ends of the first spring are respectively abutted to the top end of the first limiting ring and the top end of the inner part of the fixed box, and the bottom surface of the first lifting column is elastically abutted to two sides of the top end of the girder prefabricated panel in a working state; the end face elastic positioner and the side face elastic positioner have the same structure.
Preferably, the side elastic positioner further comprises a support guide rail, the sliding direction of the support guide rail is the same as the working direction of the first double-shaft double-rod cylinder, and the rail is fixedly connected with one side of the vertical plate.
Preferably, the rail end face clamping positioner comprises: the single-shaft air cylinders are horizontally arranged at the top end of the placing rack towards the four corners of the girder prefabricated panel; the sliding direction of the guide rail is the same as the output direction of the single-shaft cylinder, and one end of a sliding block of the guide rail is fixedly connected with the output shaft of the single-shaft cylinder; the first synchronous belt sliding table is arranged at the top end of the guide rail sliding block; the working end of the first wide finger cylinder is arranged at the working end of the first synchronous belt sliding table towards four corners of the girder prefabricated panel; the outward-expanding clamping jaw is arranged on the first wide finger cylinder working clamping jaw.
Preferably, the duplex bidirectional movement slider comprises: the ball screw sliding tables are vertically arranged on two sides of the placing rack at equal intervals; the second synchronous belt sliding table is arranged at the working end of the ball screw sliding table; the support, vertical setting is at second hold-in range slip table slip work end, and elasticity double round butt ware work end sets up in support top one side down.
Preferably, the elastic double-wheel abutment comprises: the working end of the second double-shaft double-rod cylinder is vertically arranged on one side of the top end of the bracket downwards; the center of the top end of the connecting frame is fixedly connected with the working end of the second double-shaft double-rod cylinder; the device comprises a first elastic rotating wheel depressor and a second elastic rotating wheel depressor, wherein the depressors are vertically arranged on two sides of a second double-shaft double-rod cylinder, a duplex welding frame is arranged at the center of the bottom end of a connecting frame, and the depressors are elastically abutted to the top end of the track in a working state.
Preferably, the first resilient wheel depressor comprises: the top plates are arranged on two sides of the bottom end of the connecting frame; the two ends of the butting wheel vertically penetrate through the top plate through a vertically arranged lifting column and are in sliding fit with the top plate, and a second limiting ring for preventing the lifting column from falling off is further arranged at the top end of the lifting column; the second spring is coaxially sleeved on the lifting column, and two ends of the second spring are respectively abutted against the top end of the rotating shaft of the first elastic rotating wheel depressor and the bottom end of the top plate; the second elastic rotating wheel depressor has the same structure as the first elastic rotating wheel depressor.
Preferably, the abutting wheel is a concave wheel, and in an operating state, the groove part of the abutting wheel abuts against two sides of the top end of the track.
Preferably, the duplex welding stand comprises: the welding head is obliquely arranged between the two rollers at the working end of the elastic double-wheel butting device towards two sides of the welding surface of the track through the duplex welding mounting frame.
Preferably, the duplex suspension portal frame comprises: the duplex portal frame is arranged at the top end of the placing frame; the third synchronous belt sliding tables are arranged on two sides of the bottom end of the ejector rod of the duplex portal frame; the output shaft of the lifter is vertically downwards arranged at the bottom end of the working end of the third synchronous belt sliding table; the working end of the second wide finger cylinder is downwards arranged at the bottom end of the output shaft of the lifter; the inner expanding clamping jaw is arranged at the working clamping jaw part of the second wide finger cylinder; and two ends of the connecting plate are fixedly connected with the inner sides of the movable ends of the third synchronous belt sliding tables on the two sides, and the second wide finger cylinder clamps two ends of the track to feed materials in a working state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the girder prefabricated panel positioning and fixing device, the girder prefabricated panel is positioned and fixed at the top end of the placing frame through the side surface elastic positioner and the end surface elastic positioner, and specifically, before work, the girder prefabricated panel is placed on the placing frame; starting a first double-shaft double-rod cylinder and an end face elastic positioner driving end to enable a fixing box and an obtuse angle abutting block to move axially to abut against the periphery of a girder prefabricated panel, and enabling the obtuse angle abutting block to slide on an inclined plane under the elastic action of a first spring to enable the obtuse angle abutting block to abut against two sides of the top end of the girder prefabricated panel elastically, so that the girder prefabricated panel is abutted and fixed on a placing frame by a positioner to facilitate welding;
2. the rail is positioned and fixed on a girder prefabricated panel rail installation line through the duplex suspension portal frame and the rail end face clamping positioner, specifically, when the rail suspension system works, the girder prefabricated panel is fixed on the placing frame, the third synchronous belt sliding table and the lifter are started, so that the working end of the second wide finger cylinder clamps the two ends of the rail through the inner expanding clamping jaw and places the two ends of the rail on the two sides of the top end of the girder prefabricated panel, and after the placement is finished, the working end of the duplex suspension portal frame resets; starting the single-shaft cylinder to enable the first synchronous belt sliding table and the first wide finger cylinder working end to clamp and position two ends of the rail, enable two end faces of the rail to be flush with two end faces of the girder prefabricated panel, and enable the rail to be flush with a rail mounting line on the girder prefabricated panel;
3. according to the invention, butt welding of the butt welding point is carried out through the duplex bidirectional moving slider, the elastic double-wheel butt-joint device and the duplex welding frame, specifically, the ball screw sliding table is started, so that the elastic double-wheel butt-joint device arranged at the working end of the duplex bidirectional moving slider moves towards two sides of the girder prefabricated panel, and the working end of the elastic double-wheel butt-joint device is positioned at the top of the track; starting a second double-shaft double-rod cylinder to enable the first elastic rotating wheel depressor and the second elastic rotating wheel depressor to be elastically abutted against the top end of the track, and the duplex welding frame inclines towards two sides of the track mounting surface; start first soldered connection and second soldered connection for rail mounting face both sides and the welding of girder prefabricated panel top, thereby make in welding process, the welding point closely laminates, thereby makes the welding more accurate, starts second hold-in range slip table, makes its work end drive elasticity double round butt ware move to both sides along the rack center, thereby makes welding process more stable, ensures at least three side elastic locator and two at least terminal surface elastic locator, makes the soldered connection is in removing welding process, welding point side elastic locator resets for not hindering its welding, makes girder prefabricated panel can be fixed on the rack all the time, thereby the positioning welding of being convenient for.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective view of the side resilient retainer of the present invention;
FIG. 4 is a side view of the side resilient retainer of the present invention;
FIG. 5 is a cross-sectional view at section C-C of FIG. 4;
FIG. 6 is a perspective view of the rail end face clamp retainer of the present invention;
FIG. 7 is a perspective view of a duplex double-action moving slider and resilient double-wheel abutment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at D;
FIG. 9 is a perspective view of a duplex welding stand of the present invention;
fig. 10 is a perspective view of a duplex suspended gantry of the present invention.
Description of reference numerals:
a-a three-dimensional view of a girder prefabricated panel duplex suspension portal frame;
b-track;
1-placing a rack;
2-a lateral elastic locator; 2 a-a first double-shaft double-rod cylinder; 2 b-a vertical plate; 2 c-a fixation cassette; 2c1 — bevel; 2c 2-dovetail wedge; 2 d-obtuse angle abutting block; 2d 1-dovetail groove; 2 e-a first lifting column; 2e 1-first stop collar; 2 f-a first spring; 2 g-a support rail;
3-end face elastic locator;
4-a rail end face clamping positioner; 4 a-single axis cylinder; 4 b-a guide rail; 4 c-a first synchronous belt slip table; 4 d-a first wide finger cylinder; 4 e-an externally-expanded clamping jaw;
5-duplex bidirectional movement sliders; 5 a-a ball screw sliding table; 5 b-a second synchronous belt sliding table; 5 c-a scaffold;
6-elastic double-wheel abutting device; 6 a-a second double-shaft double-rod cylinder; 6 b-a link; 6 c-a first elastic rotating wheel depressor; 6c 1-top plate; 6c 2-abutment wheel; 6c 3-lifting column; 6c 4-second stop collar; 6c 5-second spring; 6 d-a second elastic rotating wheel depressor;
7-duplex welding stands; 7 a-a first welding head; 7 b-a second welding head; 7 c-duplex welding the mounting frame;
8-duplex suspension portal frames; 8 a-duplex portal frame; 8 b-a third synchronous belt sliding table; 8 c-a lifter; 8 d-a second broad finger cylinder; 8 e-an internal expanding clamping jaw; 8 f-connecting plate.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown with reference to figure 1 of the drawings,
the utility model provides an automatic welding equipment of off-track formula girder, is applied to and welds track B level in girder prefabricated panel A top both sides, and welding equipment is including:
placing a rack 1;
the elastic positioning device comprises at least three side elastic positioning devices 2 and at least two end surface elastic positioning devices 3, wherein the side elastic positioning devices 2 are arranged on two sides of a placing frame 1 at intervals, the working ends of the side elastic positioning devices 2 are oppositely abutted against two sides of a girder prefabricated panel A in a working state, the end surface elastic positioning devices 3 are arranged on two ends of the placing frame 1 at equal intervals, and the working ends of the end surface elastic positioning devices 3 are oppositely abutted against two ends of the girder prefabricated panel A in the working state;
the rail end face clamping and positioning devices 4 are arranged at four corners of the top end of the placing frame 1, and in a working state, the working ends of the rail end face clamping and positioning devices 4 on the same vertical surface clamp two ends of a rail B to enable the two ends of the rail B to be flush with a rail installation line on the girder prefabricated panel A;
the duplex bidirectional moving sliders 5 are horizontally arranged on two sides of the placing rack 1, and in a working state, the double working ends of the duplex bidirectional moving sliders 5 horizontally move from the middle position of the placing rack 1 to two ends;
the elastic double-wheel butting device 6 is provided with a working end which is vertically arranged downwards on the double working ends;
the duplex welding frame 7 is arranged between the two working ends of the elastic double-wheel butting device 6, and the two working ends of the duplex welding frame 7 are obliquely arranged towards the two sides of the welding surface of the track B;
and the duplex suspension portal frame 8 is arranged at the top end of the placing frame 1.
Before work, a girder prefabricated panel A is placed on a placing frame 1 and needs to be positioned, a side elastic positioner 2 and an end surface elastic positioner 3 are started, so that the elastic positioners move along the axial direction to abut against the periphery of the girder prefabricated panel A, and the girder prefabricated panel A is abutted and fixed on the placing frame 1 by the positioners, and welding is facilitated;
when the device works, the girder prefabricated panel A is fixed on the placing frame 1, the duplex suspension portal frame 8 is started, the working end of the duplex suspension portal frame 8 clamps two ends of the track B and places the track B on two sides of the top end of the girder prefabricated panel A, after the placement is finished, the working end of the duplex suspension portal frame 8 resets, the track end face clamping positioner 4 is started, the working end of the duplex suspension portal frame clamps and positions two ends of the track B, two end faces of the track B are enabled to be flush with two end faces of the girder prefabricated panel A, and the track B is enabled to be flush with a track installation line on the girder prefabricated panel A;
starting the duplex bidirectional movement slider 5 to enable the elastic double-wheel butt device 6 arranged at the working end of the duplex bidirectional movement slider 5 to move towards the two sides of the girder prefabricated panel A, so that the working end of the elastic double-wheel butt device 6 is positioned at the top of the track B, then starting the elastic double-wheel butt device 6 to enable the working end of the elastic double-wheel butt device 6 to elastically butt against the top end of the track B, enabling the duplex welding frame 7 to incline towards the two sides of the mounting surface of the track B, starting the duplex welding frame 7 to enable the two sides of the mounting surface of the track B to be welded with the top end of the girder prefabricated panel A, so that in the welding process, the welding point is tightly attached, so that the welding is more precise, starting the duplex bidirectional movement slider 5 to enable the working end to drive the elastic double-wheel butt device 6 to move towards the two sides along the center of the, ensure at least three side elastic locator 2 and two at least terminal surface elastic locator 3, make duplex welding frame 7 is in the removal welding process, welding point side elastic locator 2 resets for not hindering its welding, makes girder prefabricated panel A can be fixed on rack 1 all the time to be convenient for fixed-position welding.
As shown in fig. 3, 4 and 5, the side elastic positioning member 2 includes: the working end of the first double-shaft double-rod cylinder 2a is horizontally arranged at the bottom of the top end of the placing frame 1 outwards; the vertical plate 2b is arranged at the working end of the first double-shaft double-rod cylinder 2 a; the fixing box 2c is arranged on one side of the top end of the vertical plate 2B, an inclined surface 2c1 is arranged on one side, facing the girder prefabricated panel A, of the fixing box 2c, in a working state, the first double-shaft double-rod cylinder 2a is started, so that the inclined surface 2c1 abuts against one side of the track B, and a dovetail wedge 2c2 is arranged on the inclined surface 2c 1; one side of the obtuse angle abutting block 2d is provided with a dovetail groove 2d1 which is in sliding connection with the dovetail wedge 2c 2; the first lifting column 2e vertically penetrates through the fixing box 2c and is arranged on the top surface of the obtuse angle abutting block 2d, and a first limiting ring 2e1 is coaxially arranged in the part, located in the fixing box 2c, of the first lifting column 2 e; the first spring 2f is coaxially sleeved on the first lifting column 2e, two ends of the first spring are respectively abutted against the top end of the first limiting ring 2e1 and the top end of the inner part of the fixing box 2c, and the bottom surface of the first lifting column 2e is elastically abutted against two sides of the top end of the girder prefabricated panel A in a working state; the end face elastic positioner 3 and the side face elastic positioner 2 have the same structure.
When the girder prefabricated panel A is placed on the placing frame 1, the girder prefabricated panel A is located at a position deviated, the first double-shaft double-rod cylinder 2a is started, the output shaft of the device drives the vertical plate 2b to move along the axial direction, so that the fixing box 2c moves towards the side surface of the girder prefabricated panel A, the side surface of the girder prefabricated panel A abuts against the fixing box 2c, the obtuse-angle abutting block 2d slides on the inclined surface 2c1 under the guiding action of the end surface of the girder prefabricated panel A, the obtuse-angle abutting block 2d is arranged on the dovetail wedge 2c2 through the dovetail groove 2d1 in a sliding manner, so that the obtuse-angle abutting block 2d can stably slide on the inclined surface 2c1, the bottom surface of the obtuse-angle abutting block 2d rises, the first spring 2f elastically contracts, the bottom end of the obtuse-angle abutting block 2d elastically abuts against two sides of the top end of the girder prefabricated panel A, and the first limiting ring 2e1 is used for preventing the first lifting column 2e from being separated from the fixing, and girder prefabricated panel A both ends butt is on riser 2b, and terminal surface elastic locator 3 is the same with 2 structures of side elastic locator for mutual butt effect makes girder prefabricated panel A be located rack 1 top central point and puts, makes welding process more stable.
As shown in fig. 3, 4 and 5, the side elastic positioner 2 further comprises a support rail 2g, the sliding direction of the support rail 2g is the same as the working direction of the first double-shaft double-rod cylinder 2a, and the rail is fixedly connected with one side of the vertical plate 2 b.
As shown in fig. 6, the rail end face clamping positioner 4 includes: the single-shaft air cylinders 4a are horizontally arranged at the top end of the placing rack 1 towards the four corners of the girder prefabricated panel A; a guide rail 4b, the sliding direction of which is the same as the output direction of the single-shaft cylinder 4a, and one end of a slide block of which is fixedly connected with the output shaft of the single-shaft cylinder 4 a; the first synchronous belt sliding table 4c is arranged at the top end of the sliding block of the guide rail 4 b; the working end of the first wide finger cylinder 4d is arranged at the working end of the first synchronous belt sliding table 4c towards four corners of the girder prefabricated panel A; and an outward-expanding clamping jaw 4e arranged on the working clamping jaw of the first wide finger cylinder 4 d.
Place track B in girder prefabricated panel A top both sides, need align it with the track mounting line, start unipolar cylinder 4a, make track B both ends expand clamping jaw 4e inclined plane guide effect down with girder prefabricated panel A both ends face parallel and level outward, and guide rail 4B makes the moving process more stable, start first synchronous area slip table 4c and first broad finger cylinder 4d, thereby make first broad finger cylinder 4d work end shrink press from both sides tight track B both ends and make it slide on girder prefabricated panel A, thereby make track B and girder prefabricated panel A go up track mounting line parallel and level, the accurate welding of being convenient for.
As shown in fig. 7, the duplex bidirectional-movement slider 5 includes: the ball screw sliding tables 5a are vertically arranged on the two sides of the placing frame 1 at equal intervals; the second synchronous belt sliding table 5b is arranged at the working end of the ball screw sliding table 5 a; support 5c, vertical setting is at the slip work end of second hold-in range slip table 5b, and the 6 work ends of elasticity double round butt ware set up in support 5c top one side down.
Start ball screw slip table 5a for install the elasticity double round butt ware 6 on support 5c and remove towards girder prefabricated panel A both ends, start second hold-in range slip table 5B and make duplex welding frame 7 can follow girder prefabricated panel A both sides central point and put to remove the welding to both ends, thereby be convenient for to the accurate welding in track B weld face both sides.
As shown in fig. 8, the elastic double wheel abutment 6 includes: the working end of the second double-shaft double-rod cylinder 6a is vertically arranged downwards on one side of the top end of the bracket 5 c; the center of the top end of the connecting frame 6b is fixedly connected with the working end of the second double-shaft double-rod cylinder 6 a; the lower pressing devices are vertically arranged on two sides of a second double-shaft double-rod cylinder 6a, the duplex welding frame 7 is arranged at the center of the bottom end of the connecting frame 6B, and the lower pressing devices are elastically abutted to the top end of the track B in a working state.
When the working end of the duplex bidirectional movement slider 5 moves to enable the second double-shaft double-rod cylinder 6a to move to the top of the track B, the second double-shaft double-rod cylinder 6a is started, so that the working end of the second double-shaft double-rod cylinder drives the first elastic rotating wheel depressor 6c and the second elastic rotating wheel depressor 6d to vertically move downwards through the connecting frame 6B, the depressors are abutted to the top of a welding point, the welding joint of the duplex welding frame 7 is jointed when welding, and welding forming is facilitated.
As shown in fig. 8, the first resilient wheel depressor 6c includes: top plates 6c1 provided on both sides of the bottom end of the link frame 6 b; the two ends of the butting wheel 6c2 vertically penetrate through the top plate 6c1 through a vertically arranged lifting column 6c3 and are in sliding fit with the top plate, and the top end of the lifting column 6c3 is further provided with a second limiting ring 6c4 for preventing falling off; the second spring 6c5 is coaxially sleeved on the lifting column 6c3, and two ends of the second spring are respectively abutted against the top end of the rotating shaft of the first elastic rotating wheel depressor 6c and the bottom end of the top plate 6c 1; the second elastic wheel depressor 6d has the same structure as the first elastic wheel depressor 6 c.
When the second double-shaft double-rod cylinder 6a drives the first elastic rotating wheel depressor 6c to press down through the connecting frame 6B, the lifting columns 6c3 at the two ends of the abutting wheel 6c2 press down and abut against the top end of the track B under the elastic action of the second spring 6c5, the second limiting ring 6c4 is used for preventing the lifting columns 6c3 from being separated from the top plate 6c1, and the second elastic rotating wheel depressor 6d and the first elastic rotating wheel depressor 6c are completely identical in structure, so that the two ends at the top of the welding point are both provided with elastic pressing-down force, the welding joint is tightly attached, and welding is facilitated.
As shown in fig. 8, the contact wheel 6c2 is a concave wheel, and in the operating state, the groove portions of the contact wheel 6c2 are in contact with both sides of the front end of the track B.
The butt joint wheels 6c2 are abutted on two sides of the top end of the track B through groove parts, so that the butt joint wheels 6c2 in the shape of concave wheels are clamped on two sides of the top end of the track B, and the translation welding on the top end of the track B is facilitated.
As shown in fig. 9, the duplex welding jig 7 includes: a first welding head 7a and a second welding head 7B, which are arranged between the two rollers at the working end of the elastic two-wheel abutment 6, obliquely towards the two sides of the welding surface of the rail B, by means of a duplex welding mounting 7 c.
The first welding head 7a and the second welding head 7b are arranged between the two rollers at the working end of the elastic double-wheel butting device 6 through the duplex welding mounting frame 7c, so that when the two elastic butting ends of the elastic double-wheel butting device 6 are arranged at the two ends of the top of the welding point, the welding heads can weld the welding points at the two sides.
As shown in fig. 10, the duplex suspension gantry 8 includes: the duplex portal frame 8a is arranged at the top end of the placing rack 1; the third synchronous belt sliding tables 8b are arranged on two sides of the bottom end of the ejector rod of the duplex portal frame 8 a; the output shaft of the lifter 8c is vertically arranged at the bottom end of the working end of the third synchronous belt sliding table 8b downwards; a second wide finger cylinder 8d, the working end of which is arranged at the bottom end of the output shaft of the lifter 8c downward; an inner expanding clamping jaw 8e arranged on the working clamping jaw part of the second wide finger cylinder 8 d; two ends of the connecting plate 8f are fixedly connected with the inner sides of the movable ends of the third synchronous belt sliding tables 8B on the two sides, and the second wide finger cylinder 8d clamps two ends of the track B to feed materials in a working state.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
the method comprises the following steps: before working, the girder prefabricated panel A is placed on the placing frame 1;
step two: starting a first double-shaft double-rod cylinder 2a and a driving end of an end face elastic positioner 3, so that a fixing box 2c and an obtuse angle abutting block 2d move axially to abut around a girder prefabricated panel A, and the obtuse angle abutting block 2d slides on an inclined plane 2c1 under the elastic action of a first spring 2f, so that the obtuse angle abutting block 2d abuts against two sides of the top end of the girder prefabricated panel A elastically, and the girder prefabricated panel A is abutted and fixed on a placing frame 1 by the positioner, thereby facilitating welding;
step three: when the lifting device works, the girder prefabricated panel A is fixed on the placing frame 1, the third synchronous belt sliding table 8B and the lifter 8c are started, so that the working end of the second wide finger cylinder 8d clamps the two ends of the track B through the inner expanding clamping jaw 8e and places the two ends of the track B on the two sides of the top end of the girder prefabricated panel A, and after the placement is finished, the working end of the duplex suspension portal frame 8 resets;
step four: starting the single-shaft cylinder 4a, clamping and positioning two ends of a track B by working ends of a first synchronous belt sliding table 4c and a first wide finger cylinder 4d, enabling two end faces of the track B to be flush with two end faces of a girder prefabricated panel A, and enabling the track B to be flush with a track installation line on the girder prefabricated panel A;
step five: starting the ball screw sliding table 5a to enable the elastic double-wheel butting device 6 arranged at the working end of the duplex two-way moving slider 5 to move towards the two sides of the girder prefabricated panel A, so that the working end of the elastic double-wheel butting device 6 is positioned at the top of the track B;
step six: starting a second double-shaft double-rod cylinder 6a, so that the first elastic rotating wheel lower pressing device 6c and the second elastic rotating wheel lower pressing device 6d are elastically abutted to the top end of the track B, and the duplex welding frame 7 inclines towards two sides of the mounting surface of the track B;
step seven: starting the first welding head 7a and the second welding head 7B to weld the two sides of the mounting surface of the track B with the top end of the girder prefabricated panel A, so that the welding points are tightly attached in the welding process, and the welding is more precise;
step eight: start second hold-in range slip table 5b, make its work end drive elasticity double round butt ware 6 remove to both sides along rack 1 center to make welding process more stable, ensure at least three side elastic locator 2 and two at least terminal surface elastic locator 3, make the soldered connection is in the moving weld in-process, welding point side elastic locator 2 resets for not hindering its welding, makes girder prefabricated panel A can be fixed on rack 1 all the time, thereby is convenient for the positioning welding.
The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an automatic welding equipment of bias rail formula girder, is applied to and welds track (B) horizontal welding in girder prefabricated panel (A) top both sides, its characterized in that, including:
a placing rack (1); the beam-type elastic positioning device comprises at least three side elastic positioning devices (2) and at least two end surface elastic positioning devices (3), wherein the side elastic positioning devices (2) are arranged on two sides of a placing frame (1) at intervals, the working ends of the side elastic positioning devices (2) are oppositely abutted to two sides of a beam prefabricated panel (A) in a working state, the end surface elastic positioning devices (3) are arranged on two ends of the placing frame (1) at equal intervals, and the working ends of the end surface elastic positioning devices (3) are oppositely abutted to two ends of the beam prefabricated panel (A) in the working state;
the rail end face clamping positioner (4) is arranged at four corners of the top end of the placing frame (1), and in a working state, the rail end face clamping positioner (4) and the vertical surface rail end face clamping positioner clamp two ends of a rail (B) to enable the two ends of the rail (B) to be flush with a rail mounting line on the girder prefabricated panel (A);
the duplex bidirectional moving sliders (5) are horizontally arranged on two sides of the placing rack (1), and in a working state, the double working ends of the duplex bidirectional moving sliders (5) horizontally move from the middle position of the placing rack (1) to two ends;
the elastic double-wheel butting device (6) is provided with a working end which is vertically downwards arranged on the double working ends;
the duplex welding frame (7), the double working ends of the duplex welding frame (7) are obliquely arranged between the double working ends of the elastic double-wheel butting device (6) towards the two sides of the welding surface of the track (B);
and the duplex suspension portal frame (8) is arranged at the top end of the placing frame (1).
2. An automatic welding equipment for an offset girder according to claim 1, wherein the side spring retainer (2) comprises: the working end of the first double-shaft double-rod cylinder (2 a) is horizontally and outwards arranged at the bottom of the top end of the placing rack (1); the vertical plate (2 b) is arranged at the working end of the first double-shaft double-rod cylinder (2 a); the fixing box (2 c) is arranged on one side of the top end of the vertical plate (2B), an inclined surface (2 c 1) is arranged on one side, facing the girder prefabricated panel (A), of the fixing box (2 c), in a working state, the first double-shaft double-rod cylinder (2 a) is started, so that the inclined surface (2 c 1) abuts against one side of the rail (B), and a dovetail wedge (2 c 2) is arranged on the inclined surface (2 c 1); one side of the obtuse angle abutting block (2 d) is provided with a dovetail groove (2 d 1) which is in sliding connection with the dovetail wedge (2 c 2); the first lifting column (2 e) vertically penetrates through the fixing box (2 c) and is arranged on the top surface of the obtuse-angle abutting block (2 d), and a first limiting ring (2 e 1) is coaxially arranged in the part, located in the fixing box (2 c), of the first lifting column (2 e); the first spring (2 f) is coaxially sleeved on the first lifting column (2 e), two ends of the first spring are respectively abutted against the top end of the first limiting ring (2 e 1) and the top end of the inner part of the fixed box (2 c), and the bottom surface of the first lifting column (2 e) is elastically abutted against two sides of the top end of the girder prefabricated panel (A) in a working state; the end surface elastic positioner (3) and the side surface elastic positioner (2) have the same structure.
3. The automatic welding equipment for the off-track girder according to claim 1, wherein the side elastic positioner (2) further comprises a support guide rail (2 g), the sliding direction of the support guide rail (2 g) is the same as the working direction of the first double-shaft double-rod cylinder (2 a), and the rail is fixedly connected with one side of the vertical plate (2 b).
4. An automatic welding equipment for an offset girder according to claim 1, wherein the rail end surface clamping positioner (4) comprises: the single-shaft air cylinder (4 a) is horizontally arranged at the top end of the placing frame (1) towards four corners of the girder prefabricated panel (A); the sliding direction of the guide rail (4 b) is the same as the output direction of the single-shaft cylinder (4 a), and one end of a sliding block of the guide rail is fixedly connected with the output shaft of the single-shaft cylinder (4 a); the first synchronous belt sliding table (4 c) is arranged at the top end of the sliding block of the guide rail (4 b); the working end of the first wide finger cylinder (4 d) faces four corners of the girder prefabricated panel (A) and is arranged at the working end of the first synchronous belt sliding table (4 c); and the outward expansion clamping jaw (4 e) is arranged on the working clamping jaw of the first wide finger cylinder (4 d).
5. An automatic welding equipment of an offset girder according to claim 1, wherein the duplex bidirectional moving slider (5) comprises: the ball screw sliding tables (5 a) are vertically arranged on two sides of the placing frame (1) at equal intervals; the second synchronous belt sliding table (5 b) is arranged at the working end of the ball screw sliding table (5 a); support (5 c), vertical setting is at second hold-in range slip table (5 b) slip work end, and elasticity double round butt ware (6) work end sets up in support (5 c) top one side down.
6. An automatic welding equipment of an offset girder according to claim 1, wherein the elastic double-wheel abutment (6) comprises: the working end of the second double-shaft double-rod cylinder (6 a) is vertically arranged downwards on one side of the top end of the bracket (5 c); the center of the top end of the connecting frame (6 b) is fixedly connected with the working end of the second double-shaft double-rod cylinder (6 a); the device comprises a first elastic rotating wheel depressor (6 c) and a second elastic rotating wheel depressor (6 d), wherein the depressors are vertically arranged on two sides of a second double-shaft double-rod cylinder (6 a), a duplex welding frame (7) is arranged at the center of the bottom end of a connecting frame (6B), and the depressors are elastically abutted to the top end of a track (B) in a working state.
7. An automatic welding apparatus for an offset girder according to claim 6, wherein the first flexible runner depressor (6 c) comprises: top plates (6 c 1) arranged on two sides of the bottom end of the connecting frame (6 b); the two ends of the butt-joint wheel (6 c 2) vertically penetrate through the top plate (6 c 1) through a vertically arranged lifting column (6 c 3) and are in sliding fit with the top plate, and the top end of the lifting column (6 c 3) is further provided with a second limiting ring (6 c 4) for preventing falling off; the second spring (6 c 5) is coaxially sleeved on the lifting column (6 c 3), and two ends of the second spring are respectively abutted against the top end of the rotating shaft of the first elastic rotating wheel depressor (6 c) and the bottom end of the top plate (6 c 1); the second elastic rotating wheel depressor (6 d) has the same structure as the first elastic rotating wheel depressor (6 c).
8. An automatic welding equipment of an offset girder according to claim 7, wherein the abutment wheels (6 c 2) are concave wheels, and the groove parts of the abutment wheels (6 c 2) abut against both sides of the top end of the rail (B) in the working state.
9. An automatic welding equipment of an offset girder according to claim 1, wherein the duplex welding frame (7) comprises: a first welding head (7 a) and a second welding head (7B) which are obliquely arranged between the two rollers at the working end of the elastic double-wheel butting device (6) through a duplex welding mounting frame (7 c) towards two sides of the welding surface of the track (B).
10. An automatic welding equipment of an off-track girder according to claim 1, characterized in that the duplex suspension portal frame (8) comprises: the duplex portal frame (8 a) is arranged at the top end of the placing frame (1); the third synchronous belt sliding tables (8 b) are arranged on two sides of the bottom end of the ejector rod of the duplex portal frame (8 a); the output shaft of the lifter (8 c) is vertically arranged at the bottom end of the working end of the third synchronous belt sliding table (8 b) downwards; a second wide finger cylinder (8 d) with a working end arranged at the bottom end of the output shaft of the lifter (8 c) downwards; the internal expanding clamping jaw (8 e) is arranged at the working clamping jaw part of the second wide finger cylinder (8 d); and the two ends of the connecting plate (8 f) are fixedly connected with the inner sides of the movable ends of the third synchronous belt sliding tables (8B) on the two sides, and the second wide finger cylinder (8 d) is used for feeding at the two ends of the clamping track (B) in the working state.
Priority Applications (1)
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CN202010607546.9A CN111660029A (en) | 2020-06-30 | 2020-06-30 | Automatic welding equipment for off-track type girder |
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CN202010607546.9A CN111660029A (en) | 2020-06-30 | 2020-06-30 | Automatic welding equipment for off-track type girder |
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CN202010607546.9A Withdrawn CN111660029A (en) | 2020-06-30 | 2020-06-30 | Automatic welding equipment for off-track type girder |
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CN112108861A (en) * | 2020-09-26 | 2020-12-22 | 付永生 | Lightweight low-cost intelligent processing equipment for automobile stabilizer bar |
CN114029670A (en) * | 2021-09-27 | 2022-02-11 | 苏州邦拓精密机械股份有限公司 | High-precision sheet metal assembly welding system for sheet metal parts |
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CN209062421U (en) * | 2018-11-12 | 2019-07-05 | 佛山艾沃克自动化有限公司 | A kind of guard frame rail bonding machine |
CN209886994U (en) * | 2019-04-12 | 2020-01-03 | 沈阳三洋电梯有限公司 | Rapid welding tool for elevator bottom beam |
CN110900194A (en) * | 2019-12-26 | 2020-03-24 | 温金建 | Automatic assembling equipment for two-way door opener of double-opening shielding door of rail transit |
CN111055073A (en) * | 2020-01-08 | 2020-04-24 | 丁童 | Automatic welding equipment for automobile beam |
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CN104588877A (en) * | 2014-12-02 | 2015-05-06 | 同高先进制造科技(太仓)有限公司 | Track self-adaptation and force feedback control laser welding follow fixture system |
CN204913136U (en) * | 2015-07-20 | 2015-12-30 | 重庆海众科技有限公司 | Automotive frame welding set |
CN209062421U (en) * | 2018-11-12 | 2019-07-05 | 佛山艾沃克自动化有限公司 | A kind of guard frame rail bonding machine |
CN209886994U (en) * | 2019-04-12 | 2020-01-03 | 沈阳三洋电梯有限公司 | Rapid welding tool for elevator bottom beam |
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CN112108861A (en) * | 2020-09-26 | 2020-12-22 | 付永生 | Lightweight low-cost intelligent processing equipment for automobile stabilizer bar |
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CN114029670A (en) * | 2021-09-27 | 2022-02-11 | 苏州邦拓精密机械股份有限公司 | High-precision sheet metal assembly welding system for sheet metal parts |
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Application publication date: 20200915 |