Steel structure thick plate welding equipment

Abstract

The utility model relates to the technical field of steel thick plate welding, in particular to steel structure thick plate welding equipment which is characterized in that a roller is used for pressing a thick plate, the thick plate is driven to move while being pressed, the situation that a part of area cannot be welded due to covering of a steel plate is avoided, the welding effect is improved, and two welding heads are arranged to weld the two faces of the thick plate at the same time. The single-time welding thickness is increased, and the welding speed is increased; comprising a body; the welding machine further comprises a preheating device, two extrusion devices, a pressing and conveying device, a first welding device and a second welding device. The preheating device, the extrusion devices, the pressing and conveying device, the first welding device and the second welding device are all installed on the machine body. The machine body provides support, the preheating device preheats a thick plate, the extrusion device pushes the thick plate left and right to enable the plate to keep in contact, the pressing and conveying device presses and conveys the thick plate, the first welding device welds the top end of the plate, and the second welding device welds the bottom end of the plate.

Description

Technical Field

[0001] The utility model relates to the technical field of steel thick plate welding, in particular to a steel structure thick plate welding device. Background Technique

[0002] Steel structures play a very important role in national economic construction, and thick steel plates in steel structures are used in increasing quantities.

[0003] For example, in a class of existing technologies represented by the utility model patent of a thick plate welding tooling for a wind turbine tower with the publication number CN219725097U, its main structure includes a support platform assembly, a pressing plate and a pushing plate. A thick plate is placed on the support platform assembly, the pressing plate presses the thick plate, and the pushing plate makes the welding groove of the thick plate contact and press.

[0004] However, the existing technical equipment still has the following problems when in use: when the pressing plate presses the thick plate, it will cover part of the steel plate, and the whole weld seam cannot be welded at one time, the welding effect is poor, the welding speed is slow, and when the existing equipment welds, only one side can be welded at a time, resulting in a small thickness welded at one time and a slow welding speed. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a steel structure thick plate welding device that presses the thick plate by using rollers, drives the thick plate to move while pressing, avoids covering the steel plate and causing some areas unable to be welded, improves the welding effect, and sets two welding heads to weld both sides of the thick plate at the same time, improving the single - time welding thickness and the welding speed.

[0006] A steel structure thick plate welding device of the utility model includes a fuselage; it also includes a preheating device, two sets of extrusion devices, a pressing and transporting device, a welding device one and a welding device two. The preheating device, the extrusion device, the pressing and transporting device, the welding device one and the welding device two are all installed on the fuselage; the fuselage provides support, the preheating device preheats the thick plate, the extrusion device pushes the thick plate left and right to keep the plates in contact, the pressing and transporting device presses and transports the thick plate, the welding device one welds the top of the plate, and the welding device two welds the bottom of the plate.

[0007] Preferably, the fuselage includes a bottom plate, two workbenches, two support brackets one, multiple support brackets two, multiple groups of rollers one and multiple groups of rollers two. The two workbenches are symmetrically installed at the top of the bottom plate in a mirror image, and there is a gap between the two workbenches. Installation grooves one and installation grooves two are provided on both workbenches. The two support brackets one are respectively installed on the side walls of the two workbenches, multiple support brackets two are all installed on the top of the two support brackets one, and multiple groups of rollers one and multiple groups of rollers two are respectively rotatably installed in the two installation grooves one; providing support, setting rollers one and rollers two reduces the friction between the thick plate and the workbench.

[0008] Preferably, the preheating device includes a plurality of infrared heating plates, which are respectively installed in two second mounting grooves and at the bottoms of a plurality of second brackets; the infrared heating plates preheat the thick plates to reduce the phenomenon of weld cracking after welding.

[0009] Preferably, a set of extrusion devices includes a third bracket, two first hydraulic cylinders, a plurality of first guide columns, two fourth brackets, multiple groups of fifth brackets and a plurality of third rollers. Taking the set of extrusion devices on the left as an example, the third bracket is installed at the top of the left workbench. There are two third mounting grooves and a plurality of first guide holes on the third bracket. The two first hydraulic cylinders are respectively installed in the two third mounting grooves. The plurality of first guide columns are respectively slidably installed in the plurality of first guide holes. The two fourth brackets are respectively installed at the right ends of the two first hydraulic cylinders, and the plurality of first guide columns are respectively fixedly installed at the left ends of the two fourth brackets. Multiple groups of fifth brackets are respectively installed at the tops and bottoms of the two fourth brackets. The plurality of third rollers are respectively rotatably installed on the multiple groups of fifth brackets. After putting the steel plate in, turn on the first hydraulic cylinder. The first hydraulic cylinder pushes the fourth bracket, and the fourth bracket drives the third rollers. The plurality of third rollers clamp the steel plate, and the rotating third rollers enable the steel plate to move back and forth.

[0010] Preferably, the pressing and transporting device includes multiple groups of sixth brackets, multiple groups of seventh brackets, multiple groups of fourth rollers, multiple groups of fifth rollers, a reducer, a motor, a plurality of sprockets and chains. The multiple groups of sixth brackets and the multiple groups of seventh brackets are respectively fixedly installed at the tops and bottoms of the two first brackets. The multiple groups of fourth rollers are respectively rotatably installed on the multiple groups of sixth brackets. The multiple groups of fifth rollers are respectively rotatably installed on the multiple groups of seventh brackets. The reducer is fixedly installed at the top and bottom of one of the first brackets. The motor is fixedly installed outside the reducer. The plurality of sprockets are respectively installed on the multiple groups of sixth brackets and the reducer. The chain is installed on the plurality of sprockets. During operation, the power is transmitted from the motor to the multiple groups of fourth rollers through the reducer, the chain and the plurality of sprockets respectively; the seventh brackets and the fourth rollers press the thick plates. The motor provides power, and the reducer, the chain and the sprockets transmit the power to drive the fourth rollers to rotate. The rotation of the fourth rollers drives the thick plates to move back and forth.

[0011] Preferably, the first welding device includes an eighth bracket, a second hydraulic cylinder, a ninth bracket, a plurality of second guide columns and a first welding head. The eighth bracket is installed at the left and right ends of the bottom plate. The second hydraulic cylinder and the plurality of second guide columns are both fixedly installed at the top and bottom of the eighth bracket. There is a fourth mounting groove and a plurality of second guide holes on the ninth bracket. The second hydraulic cylinder is fixedly installed in the fourth mounting groove. The plurality of second guide columns are respectively slidably installed in the plurality of second guide holes. The first welding head is installed at the bottom of the ninth bracket; the second hydraulic cylinder drives the ninth bracket to adjust the height of the first welding head, and the first welding head welds the top of the plate.

[0012] Preferably, the second welding device includes a bracket ten, a hydraulic cylinder three, a bracket eleven, a plurality of guide columns three, and a welding head two. The bracket ten is fixedly installed at the inner bottom end of the two workbenches. The hydraulic cylinder three and the plurality of guide columns three are both fixedly installed at the top end of the bracket ten. The guide column three is provided with a mounting groove five and a plurality of guide holes three. The hydraulic cylinder three is fixedly installed in the mounting groove five. The plurality of guide columns three are respectively slidably installed in the plurality of guide holes three. The welding head two is installed at the top end of the bracket eleven. The hydraulic cylinder three drives the bracket eleven to adjust the height of the welding head two, and the welding head two welds the bottom end of the plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By using rollers to press the thick plate and driving the thick plate to move while pressing, it is avoided that the steel plate is covered, resulting in some areas that cannot be welded, improving the welding effect; and two welding heads are provided to weld both sides of the thick plate simultaneously, increasing the single welding thickness and improving the welding speed; and a preheating device is provided to preheat the thick plate, reducing the phenomenon of weld cracking after welding. Description of the Drawings

[0014] Figure 1 is an axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is an axonometric structural schematic diagram of the fuselage;

[0016] Figure 3 is an axonometric structural schematic diagram of the preheating device;

[0017] Figure 4 is an axonometric structural schematic diagram of the extrusion device;

[0018] Figure 5 is an axonometric structural schematic diagram of the pressing and transporting device;

[0019] Figure 6 is an axonometric structural schematic diagram of the first welding device;

[0020] Figure 7 is an axonometric structural schematic diagram of the second welding device.

[0021] Reference signs in the drawings: 01, fuselage; 11, bottom plate; 12, workbench; 13, first bracket; 14, second bracket; 15, first roller; 16, second roller; 02, preheating device; 21, infrared heating plate; 03, extrusion device; 31, third bracket; 32, first hydraulic cylinder; 33, first guide post; 34, fourth bracket; 35, fifth bracket; 36, third roller; 04, pressing and conveying device; 41, sixth bracket; 42, seventh bracket; 43, fourth roller; 44, fifth roller; 45, reducer; 46, motor; 47, sprocket; 48, chain; 05, first welding device; 51, eighth bracket; 52, second hydraulic cylinder; 53, ninth bracket; 54, second guide post; 55, first welding head; 06, second welding device; 61, tenth bracket; 62, third hydraulic cylinder; 63, eleventh bracket; 64, third guide post; 65, second welding head. Detailed implementation mode

[0022] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0023] A steel structure thick plate welding device of the utility model includes a fuselage 01; it also includes a preheating device 02, two sets of extrusion devices 03, a pressing and transporting device 04, a welding device one 05 and a welding device two 06. The preheating device 02, the extrusion device 03, the pressing and transporting device 04, the welding device one 05 and the welding device two 06 are all installed on the fuselage 01; the fuselage 01 provides support, the preheating device 02 preheats the thick plate, the extrusion device 03 pushes the thick plate left and right to keep the plates in contact, the pressing and transporting device 04 presses and transports the thick plate, the welding device one 05 welds the top end of the plate, and the welding device two 06 welds the bottom end of the plate; the fuselage 01 includes a bottom plate 11, two workbenches 12, two support brackets one 13, multiple support brackets two 14, multiple groups of roller one 15 and multiple groups of roller two 16. The two workbenches 12 are symmetrically installed at the top end of the bottom plate 11 in a mirror image, and there is a gap between the two workbenches 12. Both of the two workbenches 12 are provided with a first installation groove and a second installation groove. The two support brackets one 13 are respectively installed on the side walls of the two workbenches 12, and multiple support brackets two 14 are all installed on the top ends of the two support brackets one 13. Multiple groups of roller one 15 and multiple groups of roller two 16 are respectively rotatably installed in the two first installation grooves; the preheating device 02 includes multiple infrared heating plates 21, and the multiple infrared heating plates 21 are respectively installed in the two second installation grooves and at the bottom ends of the multiple support brackets two 14; one set of the extrusion device 03 includes a support bracket three 31, two hydraulic cylinders one 32, multiple guide posts one 33, two support brackets four 34, multiple groups of support brackets five 35 and multiple roller three 36. Taking the left set of the extrusion device 03 as an example, the support bracket three 31 is installed at the top end of the left workbench 12. The support bracket three 31 is provided with two third installation grooves and multiple first guiding holes. The two hydraulic cylinders one 32 are respectively installed in the two third installation grooves. The multiple guide posts one 33 are respectively slidably installed in the multiple first guiding holes. The two support brackets four 34 are respectively installed at the right ends of the two hydraulic cylinders one 32, and the multiple guide posts one 33 are respectively fixedly installed at the left ends of the two support brackets four 34. Multiple groups of support brackets five 35 are respectively installed at the top and bottom of the two support brackets four 34, and multiple roller three 36 are respectively rotatably installed on the multiple groups of support brackets five 35; the pressing and transporting device 04 includes multiple groups of support brackets six 41, multiple groups of support brackets seven 42, multiple groups of roller four 43, multiple groups of roller five 44, a reducer 45, a motor 46, multiple sprockets 47 and a chain 48. The multiple groups of support brackets six 41 and the multiple groups of support brackets seven 42 are respectively fixedly installed at the top and bottom ends of the two support brackets one 13. The multiple groups of roller four 43 are respectively rotatably installed on the multiple groups of support brackets six 41. The multiple groups of roller five 44 are respectively rotatably installed on the multiple groups of support brackets seven 42. The reducer 45 is fixedly installed at the top and bottom ends of one of the support brackets one 13. The motor 46 is fixedly installed outside the reducer 45. The multiple sprockets 47 are respectively installed on the multiple groups of support brackets six 41 and the reducer 45. The chain 48 is installed on the multiple sprockets 47. During operation, the power is transmitted from the motor 46 to the multiple groups of roller four 43 through the reducer 45, the chain 48 and the multiple sprockets 47 respectively;The welding device 05 includes a bracket eight 51, a hydraulic cylinder two 52, a bracket nine 53, multiple guide columns two 54, and a welding head one 55. The bracket eight 51 is installed at the left and right ends of the bottom plate 11. The hydraulic cylinder two 52 and the multiple guide columns two 54 are both fixedly installed at the top and bottom of the bracket eight 51. The bracket nine 53 is provided with a mounting groove four and multiple guide holes two. The hydraulic cylinder two 52 is fixedly installed in the mounting groove four. The multiple guide columns two 54 are respectively slidably installed in the multiple guide holes two. The welding head one 55 is installed at the bottom end of the bracket nine 53. The welding device 06 includes a bracket ten 61, a hydraulic cylinder three 62, a bracket eleven 63, multiple guide columns three 64, and a welding head two 65. The bracket ten 61 is fixedly installed at the inner bottom end of the two workbenches 12. The hydraulic cylinder three 62 and the multiple guide columns three 64 are both fixedly installed at the top of the bracket ten 61. The guide column three 64 is provided with a mounting groove five and multiple guide holes three. The hydraulic cylinder three 62 is fixedly installed in the mounting groove five. The multiple guide columns three 64 are respectively slidably installed in the multiple guide holes three. The welding head two 65 is installed at the top end of the bracket eleven 63.;

[0024] As Figures 1 to 7 shown, for a steel structure thick plate welding device of the present utility model, during operation, first place the thick plate on one side of the top end of the workbench 12, then turn on the motor 46 to drive the roller four 43 to rotate. The rotation of the roller four 43 drives the thick plate into the machine. Then turn on the infrared heating plate 21 to preheat the thick plate. Turn on the hydraulic cylinder one 32 to push the two thick plates so that the welding positions are in contact. Then turn on the hydraulic cylinder two 52 and the hydraulic cylinder three 62 to make the welding head one 55 and the welding head two 65 reach their respective processing heights. Then turn on the welding head one 55 and the welding head two 65 to weld the top and bottom of the thick plate simultaneously. During welding, the rotation of the roller four 43 drives the thick plate forward until all the welds are completed. Then turn on the hydraulic cylinder one 32 to reset the roller three 36. Then replace the new thick plate for welding.

[0025] The multiple infrared heating plates 21, four hydraulic cylinders one 32, motor 46, chain 48, hydraulic cylinder two 52, welding head one 55, hydraulic cylinder three 62, and welding head two 65 of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached user manual, without the need for creative labor from those skilled in the art.

[0026] The main functions achieved by the present utility model are as follows: by using roller wheels to press the thick plate, while pressing, driving the thick plate to move, avoiding covering the steel plate and causing some areas that cannot be welded, improving the welding effect, and setting two welding heads to weld both sides of the thick plate simultaneously, improving the single-pass welding thickness and the welding speed; it solves the prior art problems that when the pressing plate presses the thick plate, it will cover some of the steel plate, the entire weld seam cannot be welded in one pass, the welding effect is poor, the welding speed is slow, and the existing equipment can only weld one side at a time during welding, resulting in a small single-pass welding thickness and a slow welding speed.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A steel structure thick plate welding device, including a fuselage (01); characterized in that, It also includes a preheating device (02), two sets of extrusion devices (03), a pressing and transporting device (04), a first welding device (05) and a second welding device (06). The preheating device (02), the extrusion devices (03), the pressing and transporting device (04), the first welding device (05) and the second welding device (06) are all installed on the fuselage (01); the fuselage (01) provides support. The preheating device (02) preheats the thick plate, the extrusion devices (03) push the thick plate left and right to keep the plates in contact, the pressing and transporting device (04) presses and transports the thick plate, the first welding device (05) welds the top of the plate, and the second welding device (06) welds the bottom of the plate.

2. The steel structure thick plate welding equipment according to claim 1, characterized in that, The fuselage (01) includes a bottom plate (11), two worktables (12), two first brackets (13), multiple second brackets (14), multiple sets of first rollers (15) and multiple sets of second rollers (16). The two worktables (12) are symmetrically installed at the top of the bottom plate (11) in a mirror image, and there is a gap between the two worktables (12). Installation grooves one and two are provided on both of the two worktables (12). The two first brackets (13) are respectively installed on the side walls of the two worktables (12). Multiple second brackets (14) are all installed on the tops of the two first brackets (13). The multiple sets of first rollers (15) and the multiple sets of second rollers (16) are respectively rotatably installed in the two installation grooves one.

3. The steel structure thick plate welding equipment according to claim 2, characterized in that, The preheating device (02) includes multiple infrared heating plates (21), and the multiple infrared heating plates (21) are respectively installed in the two installation grooves two and at the bottoms of the multiple second brackets (14).

4. A steel structure thick plate welding device according to claim 2, characterized in that, One set of the extrusion devices (03) includes a third bracket (31), two first hydraulic cylinders (32), multiple first guide columns (33), two fourth brackets (34), multiple sets of fifth brackets (35) and multiple third rollers (36). Taking the set of extrusion devices (03) on the left as an example, the third bracket (31) is installed at the top of the left worktable (12). Two installation grooves three and multiple first guide holes are provided on the third bracket (31). The two first hydraulic cylinders (32) are respectively installed in the two installation grooves three. The multiple first guide columns (33) are respectively slidably installed in the multiple first guide holes. The two fourth brackets (34) are respectively installed at the right ends of the two first hydraulic cylinders (32), and the multiple first guide columns (33) are respectively fixedly installed at the left ends of the two fourth brackets (34). The multiple sets of fifth brackets (35) are respectively installed at the tops and bottoms of the two fourth brackets (34). The multiple third rollers (36) are respectively rotatably installed on the multiple sets of fifth brackets (35).

5. The steel structure thick plate welding equipment according to claim 2, characterized in that, The pressing and transporting device (04) includes multiple groups of bracket six (41), multiple groups of bracket seven (42), multiple groups of roller four (43), multiple groups of roller five (44), a reducer (45), a motor (46), multiple sprockets (47) and a chain (48). Multiple groups of bracket six (41) and multiple groups of bracket seven (42) are respectively fixedly installed at the bottom ends of the tops of two brackets one (13). Multiple groups of roller four (43) are respectively rotatably installed on multiple groups of bracket six (41). Multiple groups of roller five (44) are respectively rotatably installed on multiple groups of bracket seven (42). The reducer (45) is fixedly installed at the bottom end of the top of one side of the bracket one (13). The motor (46) is fixedly installed on the outside of the reducer (45). Multiple sprockets (47) are respectively installed on multiple groups of bracket six (41) and the reducer (45). The chain (48) is installed on multiple sprockets (47). During operation, the power is respectively transmitted from the motor (46) to multiple groups of roller four (43) through the reducer (45), the chain (48) and multiple sprockets (47).

6. The steel structure thick plate welding equipment according to claim 2, wherein, The first welding device (05) includes a bracket eight (51), a hydraulic cylinder two (52), a bracket nine (53), multiple guide posts two (54) and a welding head one (55). The bracket eight (51) is installed at the left and right ends of the bottom plate (11). The hydraulic cylinder two (52) and multiple guide posts two (54) are both fixedly installed at the bottom end of the top of the bracket eight (51). The bracket nine (53) is provided with a mounting groove four and multiple guide holes two. The hydraulic cylinder two (52) is fixedly installed in the mounting groove four. Multiple guide posts two (54) are respectively slidably installed in multiple guide holes two. The welding head one (55) is installed at the bottom end of the bracket nine (53).

7. The steel structure thick plate welding equipment according to claim 2, wherein The second welding device (06) includes a bracket ten (61), a hydraulic cylinder three (62), a bracket eleven (63), multiple guide posts three (64) and a welding head two (65). The bracket ten (61) is fixedly installed at the inner bottom end of two workbenches (12). The hydraulic cylinder three (62) and multiple guide posts three (64) are both fixedly installed at the top of the bracket ten (61). The guide posts three (64) are provided with a mounting groove five and multiple guide holes three. The hydraulic cylinder three (62) is fixedly installed in the mounting groove five. Multiple guide posts three (64) are respectively slidably installed in multiple guide holes three. The welding head two (65) is installed at the top of the bracket eleven (63).

Images