CN-121988966-A - Gantry welding machine for H steel production

CN121988966ACN 121988966 ACN121988966 ACN 121988966ACN-121988966-A

Abstract

The invention relates to the technical field of H steel welding, in particular to a gantry welding machine for H steel production, which comprises a gantry, a machine table, a fixing mechanism for fixing H steel and a welding mechanism for welding H steel, wherein the fixing mechanism comprises a fixing frame fixedly arranged on the machine table. According to the invention, through the arrangement of the fixing mechanism, on one hand, the H steel can be automatically turned over, the welding efficiency is improved, on the other hand, the two ends of the H steel can be driven to synchronously turn over, so that the problem that the welding quality of the H steel is affected due to the fact that the two ends of the H steel are not turned over synchronously, the H steel is bent is avoided, on the other hand, the flange plate is clamped and fixed by the linkage plate in the process of turning over the H steel by 180 degrees, the separation of the turned flange plate from the placing groove is avoided, the welding quality is ensured, and the fixed state of the flange plate is relieved by the linkage plate in the process of turning over the H steel by 180 degrees, so that the H steel after welding is convenient to discharge.

Inventors

LI ZHENFEI
HUANG YISEN

Assignees

青岛擎工智能装备有限公司

Dates

Publication Date: 20260508
Application Date: 20260311

Claims (10)

1. The gantry welding machine for H steel production is characterized by comprising a gantry frame; a machine table; a welding mechanism for welding the H steel; The fixing mechanism comprises a fixing frame fixedly arranged on the machine table, a movable frame rotatably arranged on the fixing frame, a toothed ring fixedly sleeved on the movable frame, a gear meshed with the toothed ring, a first power source driving the gear to rotate, a second power source fixedly arranged on the movable frame, a supporting seat, a clamping plate fixedly arranged at the movable end of the second power source, a placing groove arranged on the supporting seat and a supporting plate fixedly arranged on the supporting seat.
2. The gantry welding machine for H steel production according to claim 1, wherein the fixing mechanism further comprises a rotating plate coaxially connected with the gear, a guide groove formed in the rotating plate, a fixing cylinder fixedly installed on the machine table, a linkage rod penetrating through the fixing cylinder, a first piston fixedly installed at one end of the linkage rod, a sliding rod fixedly installed at the other end of the linkage rod, a mounting groove formed in the movable frame, a pressing rod penetrating through the mounting groove, a second piston fixedly installed at one end of the pressing rod, a linkage plate fixedly installed at the other end of the pressing rod, a linkage spring driving the second piston to reset, and a connecting pipe communicating the fixing cylinder and the mounting groove.
3. The H-steel production gantry welding machine according to claim 2, wherein the guide groove is elliptical, and the slide bar is slidably mounted in the guide groove.
4. The gantry welding machine for H steel production according to claim 1, wherein the welding mechanism comprises a triaxial moving module mounted on the portal frame, a mounting box mounted on the triaxial moving module, a mounting plate rotatably mounted on the mounting box, a third power source for driving the mounting plate to rotate, and a welding machine body fixedly mounted on the mounting plate.
5. The gantry welding machine for H steel production according to claim 4, wherein the welding mechanism further comprises a mounting pipe fixedly mounted on the mounting plate, a movable rod penetrating through the mounting pipe, a movable block fixedly mounted on one end of the movable rod, a U-shaped plate fixedly mounted on the other end of the movable rod, a roller rotatably mounted in the U-shaped plate, and a reset spring driving the U-shaped plate to reset.
6. The gantry welding machine for H steel production according to claim 5, wherein the welding mechanism further comprises a bag body fixedly arranged between the movable block and the mounting pipe, a gas cylinder fixedly arranged on the fixing frame, a connecting rod penetrating through the gas cylinder, a third piston penetrating through one end of the connecting rod, a toothed plate fixedly arranged at the other end of the connecting rod, a connecting spring for driving the third piston to reset, and a fourth gas pipe for communicating the bag body with the gas cylinder.
7. The gantry welding machine for H steel production according to claim 6, wherein the welding mechanism further comprises a first fixed pipe fixedly arranged on the mounting plate, an air suction shell fixedly arranged at one end of the fixed pipe, a collecting box, a pump body fixedly arranged on the collecting box, an air suction pipe communicating the collecting box and the first fixed pipe, an air inlet pipe communicating an air inlet end of the pump body and the collecting box, and a filter screen fixedly arranged in the collecting box.
8. The gantry welding machine for H steel production according to claim 7, wherein the welding mechanism further comprises an air guide groove formed in the movable block, an air outlet pipe communicated with the air guide groove and an air outlet end of the pump body, a second fixed pipe fixedly installed on the mounting plate, an air outlet shell fixedly installed at two end parts of the fixed pipe, and an air guide pipe III communicated with the second fixed pipe and the mounting pipe.
9. The gantry welding machine for H steel production according to claim 8, wherein the welding mechanism further comprises a fixed shell fixedly arranged on the collecting box, a rotating pipe rotatably arranged on the fixed shell and the collecting box, a fan blade, a brush plate and a gas collecting pipe fixedly arranged on the rotating pipe, a first gas guide pipe communicated with the fixed shell and the mounting pipe, and a second gas guide pipe communicated with the rotating pipe and the fixed shell.
10. The gantry welding machine for producing H steel according to claim 9, wherein the rotary pipe is rotatably connected with the filter screen, and the air outlet end of the air duct II is rotatably connected with the end of the rotary pipe.

Description

Gantry welding machine for H steel production Technical Field The invention relates to the technical field of H steel welding, in particular to a gantry welding machine for H steel production. Background At present, H-shaped steel is an economic section high-efficiency section with more optimized section area distribution and more reasonable strength-to-weight ratio, and the section is named as the English letter "H". Because all parts of the H-shaped steel are arranged at right angles, the H-shaped steel has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like in all directions, has been widely used, The existing H-shaped steel is required to be spliced with the web plate and the flange plate of the H-shaped steel, and then a welding device is started to weld the long weld joint of the H-shaped steel. The utility model patent with the application number of 202221182539.X discloses an H-shaped steel welding device, which comprises a bracket and a table body, wherein the bracket is fixed on the upper part of the table body, a lifting plate is arranged on the bracket in a sliding way, a welding structure is arranged on the lifting plate, a first lifting structure is arranged on the upper part of the bracket, the first lifting structure is fixed with the lifting plate, a placing table is arranged at the bottom of the lifting plate, a second lifting structure is arranged in an inner cavity of the placing table, U-shaped grooves are symmetrically arranged on two sides of the placing table respectively, the U-shaped grooves are respectively fixed with the sliding plates, the bottom of the sliding plate penetrates through the surface of the table body and extends to the bottom and can slide on the bottom wall in the table body, a first rack and a second rack are respectively fixedly connected to the opposite ends of each sliding plate, the first rack and the second rack are meshed through gears, one end of each rotating rod penetrates through the table body and extends outwards, and the H-shaped steels with different sizes can be welded. However, according to the H-shaped steel welding device, after one surface of the web plate and the flange plate are welded, the web plate needs to be turned manually, and then the other surface of the web plate and the flange plate are welded, so that the H-shaped steel welding process is time-consuming and labor-consuming, and the welding efficiency is low. Therefore, there is a need to provide a new solution to overcome the above-mentioned drawbacks. Disclosure of Invention The invention aims to provide a gantry welding machine for H steel production, which can effectively solve the technical problems. In order to achieve the purpose of the invention, the following technical scheme is adopted: a gantry welding machine for H steel production comprises a gantry; a machine table; a welding mechanism for welding the H steel; The fixing mechanism comprises a fixing frame fixedly arranged on the machine table, a movable frame rotatably arranged on the fixing frame, a toothed ring fixedly sleeved on the movable frame, a gear meshed with the toothed ring, a first power source driving the gear to rotate, a second power source fixedly arranged on the movable frame, a supporting seat, a clamping plate fixedly arranged at the movable end of the second power source, a placing groove arranged on the supporting seat and a supporting plate fixedly arranged on the supporting seat. The fixing mechanism further comprises a rotating plate coaxially connected with the gear, a guide groove arranged on the rotating plate, a fixed cylinder fixedly arranged on the machine table, a linkage rod penetrating through the fixed cylinder, a first piston fixedly arranged at one end of the linkage rod, a sliding rod fixedly arranged at the other end of the linkage rod, an installation groove arranged on the movable frame, a pressing rod penetrating through the installation groove, a second piston fixedly arranged at one end of the pressing rod, a linkage plate fixedly arranged at the other end of the pressing rod, a linkage spring driving the second piston to reset, and a connecting pipe communicating the fixed cylinder with the installation groove. Further, the guide groove is oval, and the slide bar is slidably arranged in the guide groove. The welding mechanism comprises a triaxial moving module arranged on the portal frame, an installation box arranged on the triaxial moving module, an installation plate rotatably arranged on the installation box, a power source III for driving the installation plate to rotate and a welding machine body fixedly arranged on the installation plate. The welding mechanism further comprises a mounting pipe fixedly mounted on the mounting plate, a movable rod penetrating through the mounting pipe, a movable block fixedly mounted at one end of the movable rod, a U-shaped plate fixedly mounted at the other end of the mov