CN220986206U - Portal frame for gantry welding machine - Google Patents
Portal frame for gantry welding machine Download PDFInfo
- Publication number
- CN220986206U CN220986206U CN202322764471.7U CN202322764471U CN220986206U CN 220986206 U CN220986206 U CN 220986206U CN 202322764471 U CN202322764471 U CN 202322764471U CN 220986206 U CN220986206 U CN 220986206U
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- Prior art keywords
- support
- welding
- displacement mechanism
- sliding rail
- vertical displacement
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- 238000003466 welding Methods 0.000 title claims abstract description 60
- 238000005498 polishing Methods 0.000 claims abstract description 50
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 abstract description 21
- 239000010959 steel Substances 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model provides a portal frame for a portal welding machine, which comprises a portal truss, wherein one side of the top of the portal truss is provided with a first horizontal sliding rail, the other side of the top of the portal truss is provided with a second horizontal sliding rail, 2N first sliding seats are arranged on the first horizontal sliding rail, 2N second sliding seats are arranged on the second horizontal sliding rail, N is a positive integer, each first sliding seat is provided with a first vertical displacement mechanism, the moving part of each first vertical displacement mechanism is provided with a welding device, each second sliding seat is provided with a second vertical displacement mechanism, and the moving part of each second vertical displacement mechanism is provided with a grinding device. According to the utility model, the polishing devices corresponding to the welding devices are arranged on the portal frame, each welding device and each polishing device are independently adjustable, the angle adjustment is realized, the adaptive adjustment can be carried out according to the angle of the rib plate, and the welding devices and the floating polishing heads finish automatic welding and automatic polishing along with the movement of the portal frame, so that the production efficiency of the steel box girder is greatly improved.
Description
Technical Field
The utility model relates to a welding technology, in particular to welding equipment for a steel box girder, and particularly relates to a portal frame for a portal welding machine.
Background
The steel box girder is also called a steel plate box girder, is mainly used for bridges with larger spans, and is widely applied to urban overpasses and overpasses. The steel box girder is formed by welding steel plates, and in order to improve the shearing resistance of the main bearing steel plates of the steel box girder, a plurality of ribs which are in the same direction and are parallel are welded on the back surfaces of the steel plates. Because the shape and structure of the rib plates are simple and regular, a gantry welding machine is commonly used for welding the rib plates.
The existing gantry welding machine for specially welding the steel box girder adopts the modes of fixed lathe bed and moving the gantry, the gantry is spanned on two sides of the lathe bed, and a plurality of welding devices realize the welding of a plurality of preset rib plates along with the movement of the gantry, so that the welding efficiency is extremely high. However, after the steel box girder is welded, slag removal treatment is required to be carried out on welding seams of the rib plates in order to ensure the later coating quality. At present, slag removal of rib plate welding seams still adopts a manual polishing mode. The steel box girder has huge volume and a large number of rib plates, the workload of polishing and deslagging is large, and the generated dust further worsens the working environment. Therefore, it is necessary to improve this link to increase the overall production efficiency of the steel box girder.
Disclosure of Invention
Aiming at the problems of the background technology, the utility model aims to provide a portal frame for a portal welding machine, which combines the structural characteristics of welding of steel box girder rib plates, and by additionally arranging polishing devices on the portal frame, the number of the polishing devices is consistent with that of the welding devices, and the automatic polishing and deslagging can be realized when each rib plate is welded, so that the overall production efficiency of the steel box girder is improved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The portal frame for the portal welding machine comprises a portal frame, a first horizontal sliding rail, second horizontal sliding rails, first sliding seats, second sliding seats, welding devices and polishing devices, wherein walking wheels are arranged at four corners of the bottom of the portal frame, the first horizontal sliding rails are arranged on one side of the top of the portal frame, the second horizontal sliding rails are arranged on the other side of the top of the portal frame, 2N first sliding seats are arranged on the first horizontal sliding rails, 2N second sliding seats are arranged on the second horizontal sliding rails, N is a positive integer, a first vertical displacement mechanism is arranged on each first sliding seat, a welding device is arranged on a moving part of each first vertical displacement mechanism, a second vertical displacement mechanism is arranged on each second sliding seat, and a polishing device is arranged on a moving part of each second vertical displacement mechanism.
The first vertical displacement mechanism comprises a first driving motor, a first vertical sliding rail and a first support, the first support is a moving part of the first vertical displacement mechanism, the first vertical sliding rail and the first driving motor are both arranged on a first sliding seat, the first support is in sliding connection with the first vertical sliding rail, the first driving motor drives the first support to move on the first vertical sliding rail, and the welding device is arranged on the first support.
The welding device comprises a first rotary table, a wire feeding mechanism and a welding gun, wherein the welding gun is arranged on the first rotary table, and the first rotary table and the wire feeding mechanism are arranged on a first support.
The second vertical displacement mechanism comprises a second driving motor, a second vertical sliding rail and a second support, the second support is a moving part of the second vertical displacement mechanism, the second vertical sliding rail and the second driving motor are both arranged on a second sliding seat, the second support is in sliding connection with the second vertical sliding rail, the second driving motor drives the second support to move on the second vertical sliding rail, and the polishing device is arranged on the second support.
The polishing device comprises a second rotary table and a floating polishing head, wherein the floating polishing head is arranged on the second rotary table, and the second rotary table is arranged on the second support.
The floating polishing head consists of a main shaft motor, a floating main shaft, a main shaft seat and a polishing head, wherein the floating main shaft is arranged on the second rotary table through the main shaft seat, the polishing head is arranged at the lower end of the floating main shaft, and the main shaft motor is arranged on the second rotary table.
The utility model has the following beneficial effects: according to the utility model, the polishing devices corresponding to the welding devices are arranged on the portal frame, each welding device and each polishing device are independently adjustable, the angle adjustment is realized, the adaptive adjustment can be carried out according to the angle of the rib plate, and the welding devices and the floating polishing heads finish automatic welding and automatic polishing along with the movement of the portal frame, so that the production efficiency of the steel box girder is greatly improved.
Drawings
Fig. 1 is a front view of the overall structure of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a right side view of the present utility model.
Fig. 4 is a schematic diagram of a split structure of the first vertical displacement mechanism.
In the figure, 1, a door truss, 2, a first horizontal sliding rail, 3, a second horizontal sliding rail, 4, a first sliding seat, 5, a second sliding seat, 6, a welding device, 7, a polishing device, 8, a travelling wheel, 9, a first vertical displacement mechanism, 10, a second vertical displacement mechanism, 11, a first driving motor, 12, a first vertical sliding rail, 13, a first support, 14, a first rotary table, 15, a wire feeding mechanism, 16, a welding gun, 21, a second driving motor, 22, a second vertical sliding rail, 23, a second support, 24, a second rotary table, 25, a floating polishing head, 251, a spindle motor, 252, a floating spindle, 253, a spindle seat, 254, a polishing head, 26 and a workpiece.
Detailed Description
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
As shown in fig. 1 to 4, the present utility model provides a gantry for a gantry welding machine, which comprises a gantry truss 1, a first horizontal sliding rail 2, a second horizontal sliding rail 3, a first sliding seat 4, a second sliding seat 5, a welding device 6 and a polishing device 7, and is characterized in that: the four corners of the bottom of the door-shaped truss 1 are provided with travelling wheels 8, one side of the top of the door-shaped truss 1 is provided with a first horizontal sliding rail 2, the other side of the top of the door-shaped truss 1 is provided with a second horizontal sliding rail 3, 2N first sliding seats 4 are arranged on the first horizontal sliding rail 2, 2N second sliding seats 5,N which are positive integers are arranged on the second horizontal sliding rail 3, each first sliding seat 4 is provided with a first vertical displacement mechanism 9, the moving part of each first vertical displacement mechanism 9 is provided with a welding device 6, each second sliding seat 5 is provided with a second vertical displacement mechanism 10, and the moving part of each second vertical displacement mechanism 10 is provided with a polishing device 7.
Specifically, the moving part of the second vertical displacement mechanism 10 is a second support 23, the polishing device comprises a second rotary table 24 and a floating polishing head 25, the floating polishing head 25 is arranged on the second rotary table 24, and the second rotary table 24 is arranged on the second support 23; the floating polishing head 25 is composed of a spindle motor 251, a floating spindle 252, a spindle seat 253 and a polishing head 254, the floating spindle 252 is arranged on the second rotary table 24 through the spindle seat 253, the polishing head 254 is arranged at the lower end of the floating spindle 252, and the spindle motor 251 is arranged on the second rotary table 24. Specifically, the floating spindle 252 is configured in the prior art, and the present utility model adopts a commercially available floating spindle with 360 degrees floating of X-axis, Y-axis and Z-axis, and the polishing head 254 adopts a tungsten steel polishing head.
The first vertical displacement mechanism 9 comprises a first driving motor 11, a first vertical sliding rail 12 and a first support 13, the first support 13 is a moving part of the first vertical displacement mechanism 9, the first vertical sliding rail 12 and the first driving motor 11 are both arranged on the first sliding seat 4, the first support 13 is in sliding connection with the first vertical sliding rail 12, the first driving motor 11 drives the first support 13 to move on the first vertical sliding rail 12, and the welding device 6 is arranged on the first support 13. The welding device 6 comprises a first rotary table 14, a wire feeding mechanism 15 and a welding gun 16, wherein the welding gun 16 is arranged on the first rotary table 14, and the first rotary table 14 and the wire feeding mechanism 15 are arranged on the first support 13.
The second vertical displacement mechanism 10 comprises a second driving motor 21, a second vertical sliding rail 22 and a second support 23, the second support 23 is a moving part of the second vertical displacement mechanism 10, the second vertical sliding rail 22 and the second driving motor 21 are both arranged on the second sliding seat 5, the second support 13 is in sliding connection with the second vertical sliding rail 22, the second driving motor 22 drives the second support 23 to move on the second vertical sliding rail 22, and the polishing device 7 is arranged on the second support 23.
The principle and advantages of the utility model are as follows:
the rib plate on the steel box girder workpiece 26 is positioned on the back surface of the bearing steel plate, and is perpendicular to the bearing steel plate, as shown in fig. 2, a certain angle is usually formed when the rib plate is welded, the welding device 6 is additionally provided with the first rotary table 14, and the welding angle of the welding gun is adjusted by utilizing the first rotary table 14, so that the welding seam is relatively flat, attractive and firm;
the second sliding rail 3, the second vertical displacement mechanism 10 corresponding to the welding device 6 and the polishing device 7 are additionally arranged on the door-shaped truss 1, the polishing device 7 realizes Y-direction displacement on the second sliding rail 3, Z-direction displacement on the second vertical displacement mechanism 10, X-direction displacement is realized along with the movement of the door-shaped truss 1, and the polishing device 7 is provided with a second rotary table 24 with an adjustable angle, so that the inclination angle of the floating main shaft 252 can be matched with the height and the surface angle of a welding line, the polishing effect is improved during polishing, and the excessive damage to the polishing head 254 and the floating main shaft 252 due to local load can be avoided;
The number of the polishing devices 7 corresponds to that of the welding devices 6, and the welding and welding line polishing of the same rib plate are completed at one time through the movement of the door-shaped truss 1, so that the production efficiency of the steel box girder is greatly improved.
The utility model is not described in detail in the prior art.
Claims (6)
1. The utility model provides a portal frame for gantry welding machine, includes portal truss (1), first horizontal slide rail (2), second horizontal slide rail (3), first slide (4), second slide (5), welding set (6) and grinding device (7), characterized by: the novel grinding machine is characterized in that travelling wheels (8) are arranged at four corners of the bottom of the door-shaped truss (1), a first horizontal sliding rail (2) is arranged on one side of the top of the door-shaped truss (1), a second horizontal sliding rail (3) is arranged on the other side of the top of the door-shaped truss, 2N first sliding seats (4) are arranged on the first horizontal sliding rail (2), 2N second sliding seats (5) are arranged on the second horizontal sliding rail (3), N is a positive integer, a first vertical displacement mechanism (9) is arranged on each first sliding seat (4), a welding device (6) is arranged on the moving part of each first vertical displacement mechanism (9), a second vertical displacement mechanism (10) is arranged on each second sliding seat (5), and a grinding device (7) is arranged on the moving part of each second vertical displacement mechanism (10).
2. A gantry for a gantry welder according to claim 1, characterized by: the first vertical displacement mechanism (9) comprises a first driving motor (11), a first vertical sliding rail (12) and a first support (13), the first support (13) is a moving part of the first vertical displacement mechanism (9), the first vertical sliding rail (12) and the first driving motor (11) are all installed on the first sliding seat (4), the first support (13) is in sliding connection with the first vertical sliding rail (12), the first driving motor (11) drives the first support (13) to move on the first vertical sliding rail (12), and the welding device (6) is installed on the first support (13).
3. A gantry for a gantry welder according to claim 2, characterized by: the welding device (6) comprises a first rotary table (14), a wire feeding mechanism (15) and a welding gun (16), wherein the welding gun (16) is arranged on the first rotary table (14), and the first rotary table (14) and the wire feeding mechanism (15) are arranged on the first support (13).
4. A gantry for a gantry welder according to claim 1, characterized by: the second vertical displacement mechanism (10) include second driving motor (21), second vertical slide rail (22) and second support (23), second support (23) are the mobile part of second vertical displacement mechanism (10), second vertical slide rail (22) and second driving motor (21) all install on second slide (5), second support (23) and second vertical slide rail (22) sliding connection, second driving motor 22 drive second support (23) remove on second vertical slide rail (22), grinding device (7) install on second support (23).
5. The gantry for a gantry welder according to claim 4, wherein: the polishing device (7) comprises a second rotary table (24) and a floating polishing head (25), wherein the floating polishing head (25) is arranged on the second rotary table (24), and the second rotary table (24) is arranged on the second support (23).
6. The gantry for a gantry welder according to claim 5, wherein: the floating polishing head (25) consists of a spindle motor (251), a floating spindle (252), a spindle seat (253) and a polishing head (254), the floating spindle (252) is arranged on the second rotary table (24) through the spindle seat (253), the polishing head (254) is arranged at the lower end of the floating spindle (252), and the spindle motor (251) is arranged on the second rotary table (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322764471.7U CN220986206U (en) | 2023-10-16 | 2023-10-16 | Portal frame for gantry welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322764471.7U CN220986206U (en) | 2023-10-16 | 2023-10-16 | Portal frame for gantry welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220986206U true CN220986206U (en) | 2024-05-21 |
Family
ID=91069976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322764471.7U Active CN220986206U (en) | 2023-10-16 | 2023-10-16 | Portal frame for gantry welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220986206U (en) |
-
2023
- 2023-10-16 CN CN202322764471.7U patent/CN220986206U/en active Active
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