CN214921725U - Device for welding grid steel frame - Google Patents
Device for welding grid steel frame Download PDFInfo
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- CN214921725U CN214921725U CN202121200944.5U CN202121200944U CN214921725U CN 214921725 U CN214921725 U CN 214921725U CN 202121200944 U CN202121200944 U CN 202121200944U CN 214921725 U CN214921725 U CN 214921725U
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Abstract
本实用新型公开了一种用于焊接格栅钢架的装置，属于隧道格栅钢架加工技术领域。该装置包括两工件夹持移动机构，两所述工件夹持移动机构之间设有台座，所述台座上设有避让口，所述避让口的内侧设有支架，所述支架上在台座的上方活动设有焊接结构。在将8字结和主筋焊接在一起的过程中，钢架节段的顶升、下落、翻转和焊接工作均由装置自动完成，焊接效率高，大大降低了工人的劳动强度和电焊弧光对人体的伤害。无论焊接钢架节段的哪个面，钢架节段都是绕其中轴线所确定的圆心转动，有助于提高8字结与主筋焊接的一致性，有助于确保焊接质量，同时还能够降低编程难度。
The utility model discloses a device for welding grid steel frames, which belongs to the technical field of tunnel grid steel frame processing. The device includes two workpiece clamping and moving mechanisms, a pedestal is arranged between the two workpiece clamping and moving mechanisms, an escape opening is arranged on the pedestal, and a bracket is arranged on the inner side of the escape opening, and the bracket is on the bottom of the pedestal. The upper activity is provided with a welded structure. In the process of welding the figure-8 knot and the main reinforcement together, the lifting, falling, turning and welding of the steel frame segment are automatically completed by the device, and the welding efficiency is high, which greatly reduces the labor intensity of workers and the impact of electric welding arc on the human body. s damage. No matter which face of the welded steel frame segment, the steel frame segment rotates around the center of the circle determined by its central axis, which helps to improve the consistency of the welding of the figure 8 knot and the main bar, helps to ensure the welding quality, and also reduces the Programming difficulty.
Description
Technical Field
The utility model relates to a device for welding grid steelframe belongs to tunnel grid steelframe processing technology field.
Background
The grid steel frame is used as one of IV and V grade surrounding rock primary support steel supports in tunnel engineering, and is widely applicable to municipal administration, highways, railways and water conservancy and hydropower engineering. The structural form of the grid steel frame mainly comprises main ribs, 8-shaped knots, mouth-shaped ribs and joint steel plates, wherein the main ribs and the 8-shaped knots are welded in an important process of machining the grid steel frame.
Chinese patent publication No. CN110744219A discloses a platform and a method for rapidly processing a grid steel frame, wherein a plurality of movable main rebar positioning molds are used to position the processed steel frame segments, and the main rebar positioning mechanism on each main rebar positioning mold can be adjusted according to the width and thickness of the processed steel frame segments, so as to meet the processing requirements of steel frame segments with different lengths, different radii, different thicknesses and different widths.
However, the splayed rib and the main rib are welded together by pure manual operation, and the steel frame segment needs to be turned over manually in the welding process so as to weld different surfaces of the steel frame segment conveniently, so that the defects of low welding efficiency, poor welding consistency, high labor intensity and great damage of electric welding arc light to human bodies exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a device for welding grid steelframe.
The utility model discloses a following technical scheme can realize:
the utility model provides a pair of a device for welding grid steelframe, including two work piece centre gripping moving mechanism, two be equipped with the pedestal between the work piece centre gripping moving mechanism, be equipped with on the pedestal and dodge the mouth, the inboard of dodging the mouth is equipped with the support, be equipped with welded structure in the top activity of pedestal on the support.
The workpiece clamping and moving mechanism is a cantilever manipulator.
The support comprises an arc-shaped working disc, stand columns are arranged at two ends of the arc-shaped working disc, and an arc-shaped rack and two arc-shaped guide rails are arranged on the arc-shaped working disc side by side.
And a cross beam is connected between the stand columns at the two ends of the circular arc-shaped working plate in a sliding manner, and a lifting driving assembly is arranged at the bottom of the cross beam.
The lifting driving component is an electric cylinder A, and the cross beam is movably connected with a roller.
The welding structure comprises two welding parts, the welding parts comprise a bottom plate, a servo motor A and a welding gun, one side of the bottom plate is connected with two arc-shaped guide rails through an arc-shaped sliding block, the servo motor A is installed on the bottom plate, a gear is installed on an output shaft of the servo motor A and meshed with an arc-shaped rack, and the welding gun is installed on the bottom plate through a telescopic driving assembly.
The central axis of the welding gun passes through the circle center of the arc-shaped working disc, and the telescopic driving assembly is an electric cylinder B.
The manipulator comprises a cantilever manipulator, an electric cylinder A, a servo motor A and an electric cylinder B.
The beneficial effects of the utility model reside in that:
1. in the process of welding the 8-shaped knot and the main rib together, the jacking, falling, overturning and welding work of the steel frame segment are automatically completed by the device, the welding efficiency is high, and the labor intensity of workers and the damage of electric welding arc light to a human body are greatly reduced.
2. In the welding process, the elevation and the inclination angle of the welding surface of the steel frame segment are continuously adjusted through the two cantilever manipulators, the center of a circle of the arc-shaped working disc is always crossed by the central axis of the steel frame segment, the position of the center of a circle determined by the central axis of the steel frame segment is kept unchanged, and therefore the steel frame segment regularly moves in the welding process, namely, the steel frame segment rotates around the center of a circle determined by the central axis no matter which surface of the steel frame segment is welded, the consistency of welding of the 8-shaped knot and the main rib is improved, the welding quality is ensured, and meanwhile, the programming difficulty can be reduced.
3. The middle part of the steel frame segment is supported by the cross beam so as to reduce the load of the workpiece clamping and moving mechanism for clamping the steel frame segment.
4. The friction resistance between the cross beam and the steel frame segment is reduced through the rollers, so that the movement stability of the steel frame segment is improved, and meanwhile, the movement stability of the steel frame segment is improved.
5. The welding device is suitable for welding steel frame segments with multiple sizes, and is high in practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the workpiece clamping and moving mechanism of the present invention after being removed;
fig. 3 is a schematic structural diagram of the workpiece clamping and moving mechanism of the present invention.
In the figure: 1-upright column, 2-circular arc-shaped working disc, 3-workpiece clamping and moving mechanism, 4-pedestal, 5-beam, 6-roller, 7-welding gun, 8-base and 9-steel frame segment.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 3, a device for welding grid steelframe, including two work piece centre gripping moving mechanism 3, two be equipped with pedestal 4 between the work piece centre gripping moving mechanism 3, processing has on the pedestal 4 and dodges the mouth, dodge the inboard of mouth and install the support, movable mounting has welded structure in the top of pedestal 4 on the support. When in use, the workpiece holding and moving mechanism 3, the pedestal 4 and the bracket are all fixedly mounted on the base 8.
The workpiece clamping and moving mechanism 3 is a cantilever manipulator.
The support comprises an arc-shaped working disc 2, stand columns 1 are welded at two ends of the arc-shaped working disc 2, and arc-shaped racks and two arc-shaped guide rails are arranged on the arc-shaped working disc 2 side by side.
And a cross beam 5 is connected between the upright columns 1 at the two ends of the circular arc-shaped working disc 2 in a sliding manner, and a lifting driving assembly is installed at the bottom of the cross beam 5. When the workpiece clamping and moving mechanism is used, the middle part of the steel frame section 9 is supported through the cross beam 5, so that the load of the workpiece clamping and moving mechanism 3 for clamping the steel frame section 9 is reduced.
The lifting driving component is an electric cylinder A, and a roller 6 is movably connected to the cross beam 5. When in use, one end of the electric cylinder A far away from the cross beam 5 is connected with the base 8. Reduce the frictional resistance between crossbeam 5 and steel frame segment 9 through gyro wheel 6, simultaneously, help improving the stability that steel frame segment 9 removed.
Welded structure includes two welding parts, and welding part includes bottom plate, servo motor A and welder 7, and one side of bottom plate is passed through the arc slider and is connected with two arc guide rails, and servo motor A installs on the bottom plate, installs the gear on servo motor A's the output shaft, gear and arc rack toothing, and welder 7 installs on the bottom plate through flexible drive assembly. When the welding gun deflection adjusting device is used, the servo motor A drives the bottom plate to move along the arc-shaped guide rail through the gear rack mechanism so as to adjust the deflection angle of the welding gun 7.
The central axis of the welding gun 7 passes through the circle center of the circular arc-shaped working disk 2, and the telescopic driving component is an electric cylinder B. When the device is used, the distance between the welding gun 7 and the circle center of the circular arc-shaped working disc 2 is adjusted through the electric cylinder B.
The manipulator comprises a cantilever manipulator, an electric cylinder A, a servo motor A and an electric cylinder B. The whole welding process is conveniently and automatically controlled through the programming of the controller.
A welding method for an apparatus for welding grid steel frames, said welding method comprising the main steps of:
A. positioning the main bars and the 8-shaped knots, and binding and fixing or spot-welding the 8-shaped knots and the main bars together to obtain a steel frame segment 9;
B. the steel frame segment 9 penetrates through the support and is placed on the pedestal 4, two ends of the steel frame segment 9 are respectively grasped by the two cantilever manipulators, and the steel frame segment 9 is lifted to a set height through the electric cylinder A;
C. controlling the servo motor A and the electric cylinder B to adjust the position of the welding gun 7, starting welding work of the welding gun 7, and simultaneously controlling the two cantilever manipulators to enable the steel frame segment 9 to move from one end to the other end;
D. after the welding seams on one surface of the steel frame segment 9 are completely welded, the two cantilever manipulators are matched to turn over the steel frame segment 9, so that the other surface to be welded faces the welding gun 7;
E. repeating the step C and the step D until all welding seams on the four side surfaces of the steel frame segment 9 are welded;
F. the electric cylinder A is matched with the two cantilever manipulators to drop the steel frame segment 9 onto the pedestal 4;
G. and (4) moving away the welded steel frame sections 9 on the pedestal 4, placing the steel frame sections 9 to be welded on the pedestal 4, repeating the steps B to F, and completing the welding work of the 8-shaped knots and the main ribs on the steel frame sections 9 one by one.
And C, continuously adjusting the position of the welding gun 7 through the servo motor A and the electric cylinder B in the welding process to adapt to welding seams under different working conditions, and continuously adjusting the elevation and the inclination angle of the welding surface of the steel frame segment 9 through the two cantilever manipulators, so that the central axis of the steel frame segment 9 always passes through the circle center of the circular arc-shaped working disc 2, and the circle center position determined by the central axis of the steel frame segment 9 is kept unchanged. The steel frame segment 9 can move regularly in the welding process, namely, no matter which surface of the steel frame segment 9 is welded, the steel frame segment 9 rotates around the circle center determined by the central axis of the steel frame segment 9, the consistency of welding of the 8-shaped knot and the main rib is improved, the welding quality is ensured, and meanwhile, the programming difficulty can be reduced.
Specifically, the programming work is completed on the controller in advance according to the overall dimension and radian of the steel frame segment 9, the movement track of the steel frame segment 9 in the welding process, the welding seam working condition and the like. When a steel frame section 9 of a certain model needs to be welded, a corresponding program is called from the controller to complete welding.
The utility model provides a device for welding grid steelframe, its beneficial effect as follows:
1. in the process of welding the 8-shaped knot and the main rib together, the jacking, falling, overturning and welding work of the steel frame segment 9 are automatically completed by the device, the welding efficiency is high, and the labor intensity of workers and the damage of electric welding arc light to a human body are greatly reduced.
2. In the welding process, the elevation and the inclination angle of the welding surface of the steel frame segment 9 are continuously adjusted through the two cantilever manipulators, the central axis of the steel frame segment 9 always passes through the circle center of the arc-shaped working disc 2, and the position of the circle center determined by the central axis of the steel frame segment 9 is kept unchanged, so that the steel frame segment 9 regularly moves in the welding process, namely, no matter which surface of the steel frame segment 9 is welded, the steel frame segment 9 rotates around the circle center determined by the central axis, the welding consistency of the 8-shaped knot and the main rib is favorably improved, the welding quality is favorably ensured, and meanwhile, the programming difficulty can be reduced.
3. The middle part of the steel frame section 9 is supported by the cross beam 5 so as to reduce the load of the workpiece clamping and moving mechanism 3 for clamping the steel frame section 9.
4. The friction resistance between the cross beam 5 and the steel frame section 9 is reduced through the rollers 6, so that the movement stability of the steel frame section 9 is improved, and the movement stability of the steel frame section 9 is improved; 5. the welding device is suitable for welding the steel frame segments 9 with multiple sizes, and is high in practicability.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200944.5U CN214921725U (en) | 2021-05-31 | 2021-05-31 | Device for welding grid steel frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200944.5U CN214921725U (en) | 2021-05-31 | 2021-05-31 | Device for welding grid steel frame |
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| Publication Number | Publication Date |
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| CN214921725U true CN214921725U (en) | 2021-11-30 |
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| CN202121200944.5U Active CN214921725U (en) | 2021-05-31 | 2021-05-31 | Device for welding grid steel frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199187A (en) * | 2021-05-31 | 2021-08-03 | 中铁五局集团贵州工程有限公司 | Device for welding grid steel frame and welding method |
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2021
- 2021-05-31 CN CN202121200944.5U patent/CN214921725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199187A (en) * | 2021-05-31 | 2021-08-03 | 中铁五局集团贵州工程有限公司 | Device for welding grid steel frame and welding method |
| CN113199187B (en) * | 2021-05-31 | 2024-08-06 | 中铁五局集团贵州工程有限公司 | Device and method for welding grid steel frame |
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