Adjustable splicing, welding and positioning equipment of grid structure

Abstract

The invention relates to the field of net rack welding, in particular to adjustable splicing welding positioning equipment of a net rack structure, which comprises a workbench, an air cylinder is fixedly arranged in the center of the bottom of the workbench, the output end of the air cylinder is connected with a lifting shaft, rotating seats are fixedly arranged on two sides of the upper end of the workbench, and a pair of bearing plates are symmetrically and rotatably mounted in the rotating seats; clamping assemblies are arranged on the surfaces of the bearing plates, the bottoms of the bearing plates are rotationally matched with one ends of connecting rods, the other ends of the connecting rods are rotationally matched with the lifting shafts, follow-up plates are slidably installed between the side edges of the two bearing plates, and welding assemblies are arranged above the follow-up plates. The air cylinder controls the lifting shaft to move up and down, the lifting shaft drives the bearing plates at the two ends to deflect synchronously through the connecting rod, so that the welding angle between the two net racks can be flexibly adjusted, and meanwhile, the first positioning plate and the second positioning plate are matched with the transverse clamping plate and the longitudinal clamping plate to effectively clamp and position the net rack structure.

Description

Technical Field

[0001] The invention relates to the technical field of grid welding, and in particular to an adjustable assembly welding positioning device for a grid structure. Background Art

[0002] Steel structure grid is a spatial structure formed by connecting multiple rods through nodes in a certain grid form. The grid structure has high overall rigidity and good integrity, and can withstand large loads. Due to its unique advantages and characteristics, steel structure grid is widely used in various large-span, column-free grid roof structures, such as gymnasiums, theaters, exhibition halls, waiting halls, hangars, and large workshops. These buildings usually have high requirements for space utilization, structural stability, and seismic performance, and steel structure grid is the ideal choice to meet these requirements.

[0003] Steel structure grids can be made of multiple frames spliced ​​and welded together. In order to facilitate the assembly and welding of the overall grid, it is necessary to first splice and weld adjacent frames to form several frame modules. The current grid welding equipment can only perform a fixed angle welding process for two adjacent grids, and cannot accurately control the welding angle between the two grids. Summary of the invention

[0004] The purpose of the present invention is to provide an adjustable assembly welding positioning device of a grid structure, aiming to solve the above technical problems.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A grid structured adjustable assembly welding positioning device comprises a workbench, a cylinder is fixedly arranged at the center of the bottom of the workbench, a lifting shaft is connected to the output end of the cylinder, rotating seats are fixedly arranged on both sides of the upper end of the workbench, a pair of bearing plates are symmetrically rotatably installed in the rotating seats, a clamping assembly is arranged on the surface of the bearing plates, the bottom of the bearing plates is rotatably matched with one end of a connecting rod, and the other end of the connecting rod is rotatably matched with the lifting shaft, a follower plate is slidably installed between the sides of the two bearing plates, and a welding assembly is arranged above the follower plate.

[0007] The clamping assembly includes a pair of transverse clamping plates, a sliding groove is provided on the surface of the bearing plate, the bottom of the transverse clamping plate is installed in the sliding groove for horizontal sliding through a slider, a sliding table is fixedly provided at the upper end of the bearing plate, an extrusion spring is provided between the transverse clamping plate and the side wall of the sliding table, a sliding plate is vertically slidably installed inside the sliding table, a longitudinal clamping plate is fixedly provided at the front end of the sliding plate, an extension seat is provided on one side of the bearing plate, and the end of the sliding plate is connected to the extension seat through a reset spring.

[0008] As a further solution of the present invention: pivots are fixedly arranged on both sides of the supporting plate, the supporting plate rotates with the rotating seat through the pivots, follow-up slide grooves are arranged along the length direction of the side edges of the supporting plate, fixing rods are fixedly arranged between the follow-up plates, sliding pins are arranged on the side walls of the follow-up plates, and the sliding pins are adapted to be slidably installed in the corresponding follow-up slide grooves.

[0009] As a further solution of the present invention: a spring groove is arranged in the center of the fixing rod, a push rod is slidably arranged in the spring groove, a baffle is fixedly arranged at the bottom of the push rod, a support is fixedly arranged at the top of the push rod, a lifting spring is arranged between the bottom of the support and the spring groove, and a first positioning plate and a second positioning plate are rotatably installed in the support via a rotating shaft.

[0010] As a further solution of the present invention: the first positioning plate and the second positioning plate are relatively arranged on both sides of the support, and torsion springs are arranged between the two ends of the first positioning plate and the two ends of the second positioning plate. The first positioning plate and the second positioning plate have a tendency to flip inward and close through the torsion springs.

[0011] As a further solution of the present invention: the transverse clamping plate, longitudinal clamping plate, first positioning plate and second positioning plate are all L-shaped plates, the transverse clamping plate and longitudinal clamping plate are pressed against the side of the grid, and the first positioning plate and the second positioning plate are resting on the bottom of the side of the top end of the grid.

[0012] As a further solution of the present invention: the welding assembly includes a mounting frame, a screw is rotatably mounted on the upper end of the mounting frame, the screw is driven to rotate by a motor, a slide is threadedly connected to the screw, a mounting seat is fixedly arranged at the bottom of the slide, and a welding gun is fixedly arranged on the mounting seat.

[0013] As a further solution of the present invention: the two grids are aligned against each other at the top positions, and the welding gun is facing the joint at the top ends of the two grids.

[0014] As a further solution of the present invention: an ear seat is extended on the outer side of the follower plate, and electric lifting rods are fixedly arranged on both sides of the upper end of the workbench. The top end of the electric lifting rod slides through the ear seat and is fixedly connected to the bottom of the mounting frame.

[0015] As a further solution of the present invention: limit slide rails are fixedly arranged on both sides of the upper end of the workbench, and both ends of the lifting shaft are adapted to be slidably installed in the limit slide rails.

[0016] As a further solution of the present invention: the angle formed between the two supporting plates ranges from 60° to 180°.

[0017] Beneficial effects of the present invention:

[0018] (1) By symmetrically setting a set of bearing plates, when preparing for welding, the two grids are placed parallel to the bearing plates respectively, and the lifting shaft is controlled by the cylinder to move up and down. The lifting shaft will drive the bearing plates at both ends to deflect synchronously through the connecting rod, so that the welding angle between the two grids can be flexibly adjusted.

[0019] (2) By setting a follower plate, when the bearing plates at both ends adjust the welding angle through the connecting rod, the follower plate will perform corresponding vertical lifting and lowering along with the deflection of the bearing plate by utilizing the sliding cooperation between the sliding pin and the follower slide groove, and cooperate with the up and down floating of the top rod under the action of the lifting spring, so that the first positioning plate and the second positioning plate can always be located at the top joint of the grid structure. Under the flipping force of the torsion spring, the first positioning plate and the second positioning plate can always exert an inward pushing pressure on the grid structure, so that the two grids can keep tight at the top joint, which is beneficial to the welding process. At the same time, the first positioning plate and the second positioning plate cooperate with the horizontal clamping plate and the longitudinal clamping plate to effectively clamp and position the grid structure.

[0020] (3) By setting up the welding assembly, since the welding gun is aimed at the joint at the top of the grid, when the motor is started, it drives the screw to rotate, and the screw drives the mounting seat to move horizontally along the axis direction through the slide seat, so that the welding gun can accurately weld the grid along the weld seam, ensuring the welding quality. At the same time, when the grid structure adjusts the welding angle, the mounting frame is controlled by the electric lifting rod to make corresponding lifting and lowering movements as the grid swings, so that the welding gun can always maintain an appropriate welding distance from the joint, which is beneficial to improving the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the installation of the load-bearing plate in the present invention.

[0024] Figure 3 It is a structural schematic diagram of the clamping assembly in the present invention.

[0025] Figure 4 It is a structural schematic diagram of the follower plate in the present invention.

[0026] Figure 5 It is a structural schematic diagram of the first positioning plate and the second positioning plate in the present invention.

[0027] Figure 6 It is a schematic diagram of the clamping and positioning of the grid frame in the present invention.

[0028] Figure 7 It is a structural schematic diagram of the welding assembly in the present invention.

[0029] In the figure: 1, workbench; 101, limit slide rail; 2, rotating seat; 3, bearing plate; 301, connecting rod; 302, pivot; 303, follower slide; 304, sliding groove; 305, slide; 306, extension seat; 4, clamping assembly; 401, horizontal clamping plate; 402, extrusion spring; 403, sliding plate; 404, longitudinal clamping plate; 405, reset spring; 5, follower plate; 501, fixing rod; 502, sliding pin ; 503, ear seat; 504, spring groove; 505, push rod; 506, baffle; 507, support; 508, lifting spring; 509, first positioning plate; 510, second positioning plate; 511, torsion spring; 6, cylinder; 601, lifting shaft; 7, electric lifting rod; 8, welding assembly; 801, mounting bracket; 802, screw; 803, motor; 804, slide seat; 805, mounting seat; 806, welding gun. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1 and Figure 2 As shown, the present invention is an adjustable assembly welding positioning device with a grid structure, comprising a workbench 1, a cylinder 6 is fixedly arranged at the center of the bottom of the workbench 1, and a lifting shaft 601 is connected to the output end of the cylinder 6, and a rotating seat 2 is fixedly arranged on both sides of the upper end of the workbench 1, and a pair of bearing plates 3 are symmetrically rotatably installed in the rotating seat 2, and a clamping assembly 4 is arranged on the surface of the bearing plate 3, the bottom of the bearing plate 3 is rotatably matched with one end of the connecting rod 301, and the other end of the connecting rod 301 is rotatably matched with the lifting shaft 601, and a follower plate 5 is slidably installed between the side edges of the two bearing plates 3, and a welding assembly 8 is arranged above the follower plate 5.

[0032] Specifically, by symmetrically setting a group of supporting plates 3, when preparing for welding, the two grids are respectively placed in parallel on the supporting plates 3, and the lifting shaft 601 is controlled by the cylinder 6 to move up and down. The lifting shaft 601 will drive the supporting plates 3 at both ends to deflect synchronously through the connecting rod 301, so that the welding angle between the two grids can be flexibly adjusted.

[0033] like Figure 3As shown, the clamping assembly 4 includes a pair of transverse clamping plates 401, a sliding groove 304 is arranged on the surface of the bearing plate 3, the bottom of the transverse clamping plate 401 is installed in the sliding groove 304 for horizontal sliding through a slider, a slide table 305 is fixedly arranged on the upper end of the bearing plate 3, an extrusion spring 402 is arranged between the transverse clamping plate 401 and the side wall of the slide table 305, a sliding plate 403 is vertically slidably installed inside the slide table 305, a longitudinal clamping plate 404 is fixedly arranged at the front end of the sliding plate 403, an extension seat 306 is arranged on one side of the bearing plate 3, and the end of the sliding plate 403 is connected to the extension seat 306 through a reset spring 405.

[0034] Specifically, by setting up the clamping assembly 4, the grid can be clamped and positioned horizontally using the transverse clamping plate 401, and the grid can be clamped and positioned vertically using the longitudinal clamping plate 404, so that the grid can always remain stable during the adjustment of the angle and the welding process, which is beneficial to improving the welding quality.

[0035] like Figure 3 and Figure 4 As shown, pivots 302 are fixedly provided on both sides of the supporting plate 3, and the supporting plate 3 is rotatably matched with the rotating seat 2 through the pivots 302. A follower slide groove 303 is provided along the length direction of the side edge of the supporting plate 3, and a fixing rod 501 is fixedly provided between the follower plates 5. A sliding pin 502 is provided on the side wall of the follower plate 5, and the sliding pin 502 is adapted to be slidably installed in the corresponding follower slide groove 303.

[0036] Furthermore, a spring groove 504 is provided in the center of the fixed rod 501, a push rod 505 is slidably provided in the spring groove 504, a baffle 506 is fixedly provided at the bottom of the push rod 505, a support 507 is fixedly provided at the top of the push rod 505, a lifting spring 508 is provided between the bottom of the support 507 and the spring groove 504, and a first positioning plate 509 and a second positioning plate 510 are rotatably installed in the support 507 via a rotating shaft.

[0037] Specifically, by setting the follower plate 5, when the supporting plates 3 at both ends adjust the welding angle through the connecting rod 301, the follower plate 5 will perform corresponding vertical lifting and lowering along with the deflection of the supporting plate 3 by utilizing the sliding cooperation between the sliding pin 502 and the follower slide groove 303, and cooperate with the up and down floating of the top rod 505 under the action of the lifting spring 508, so that the first positioning plate 509 and the second positioning plate 510 can always be located at the top joint of the truss structure.

[0038] like Figure 5 As shown, the first positioning plate 509 and the second positioning plate 510 are relatively arranged on both sides of the support 507, and a torsion spring 511 is arranged between the two ends of the first positioning plate 509 and the two ends of the second positioning plate 510. The first positioning plate 509 and the second positioning plate 510 have a tendency to flip inward and close through the torsion spring 511.

[0039] Specifically, under the flipping force of the torsion spring 511, the first positioning plate 509 and the second positioning plate 510 can always apply an inward pushing pressure to the grid structure, so that the two grids can maintain a tight joint at the top, which is beneficial to the welding process. At the same time, the first positioning plate 509 and the second positioning plate 510 cooperate with the horizontal clamping plate 401 and the longitudinal clamping plate 404 to effectively clamp and position the grid structure.

[0040] like Figure 6 As shown, the transverse clamping plate 401, the longitudinal clamping plate 404, the first positioning plate 509 and the second positioning plate 510 are all L-shaped plates. The transverse clamping plate 401 and the longitudinal clamping plate 404 are pressed against the side of the grid, and the first positioning plate 509 and the second positioning plate 510 are placed on the bottom of the side of the top of the grid.

[0041] Specifically, when installing the grid, the horizontal clamps 401 at both ends compress the extrusion springs 402 inward, and at the same time the longitudinal clamps 404 compress the reset springs 405 upwards through the sliding plates 403. After preparation, the top ends of the grids are placed on the first positioning plate 509 and the second positioning plate 510 respectively, and the first positioning plate 509 and the second positioning plate 510 are used to make the top ends of the two grids in close contact, and at the same time, the horizontal clamps 401 and the longitudinal clamps 404 are loosened. At this time, the horizontal clamps 401 will limit the clamping of the two side edges of the grid, and the longitudinal clamps 404 will limit the clamping of the bottom edge of the grid, thereby effectively clamping and positioning the grid structure.

[0042] like Figure 7 As shown, the welding assembly 8 includes a mounting frame 801, a screw rod 802 is rotatably mounted on the upper end of the mounting frame 801, the screw rod 802 is driven to rotate by a motor 803, a slide seat 804 is threadedly connected to the screw rod 802, a mounting seat 805 is fixedly arranged at the bottom of the slide seat 804, and a welding gun 806 is fixedly arranged on the mounting seat 805.

[0043] Furthermore, the two grids are aligned against each other at the top position, and the welding gun 806 is facing the joint at the top of the two grids.

[0044] Furthermore, an ear seat 503 is extended outwardly of the follower plate 5 , and electric lifting rods 7 are fixedly provided on both sides of the upper end of the workbench 1 . The top end of the electric lifting rod 7 slides through the ear seat 503 and is fixedly connected to the bottom of the mounting frame 801 .

[0045] Specifically, by setting up the welding assembly 8, since the welding gun 806 is aimed at the joint at the top of the grid, when the motor 803 is started, it drives the screw 802 to rotate, and the screw 802 drives the mounting seat 805 to move horizontally along the axial direction through the slide seat 804, so that the welding gun 806 can accurately weld the grid along the weld, ensuring the welding quality. At the same time, when the grid structure adjusts the welding angle, the mounting frame 801 is controlled by the electric lifting rod 7 to make corresponding lifting and lowering movements as the grid swings, so that the welding gun 806 can always maintain an appropriate welding distance from the joint, which is beneficial to improving the welding effect.

[0046] like Figure 2 As shown, limit slide rails 101 are fixedly arranged on both sides of the upper end of the workbench 1, and both ends of the lifting shaft 601 are adapted to be slidably installed in the limit slide rails 101.

[0047] Specifically, when the cylinder 6 controls the lifting shaft 601 to move up and down, in order to ensure reliable transmission between it and the connecting rod 301, the limiting slide rail 101 is used to limit the two ends of the lifting shaft 601, so that the lifting shaft 601 will always move along the correct direction of the limiting slide rail 101 during the lifting process, thereby improving its movement stability.

[0048] In this embodiment, the angle formed between the two bearing plates 3 is in the range of 60°-180°, that is, the adjustment range of the welding angle between the two grids is in the range of 60°-180°.

[0049] The working principle of the present invention is as follows: Figure 1-Figure 7As shown, when installing the grid, the horizontal clamping plates 401 at both ends compress the extrusion spring 402 inward, and the longitudinal clamping plates 404 compress the reset spring 405 upward through the sliding plate 403. After preparation, the top ends of the grids are respectively placed on the first positioning plate 509 and the second positioning plate 510, and the first positioning plate 509 and the second positioning plate 510 are used to make the top ends of the two grids closely contact, and the horizontal clamping plates 401 and the longitudinal clamping plates 404 are loosened at the same time. At this time, the horizontal clamping plates 401 will limit the clamping of the two sides of the grid, and the longitudinal clamping plates 404 will limit the clamping of the bottom edge of the grid, so as to effectively clamp and position the grid structure. Since the welding gun 806 is aimed at the seam at the top of the grid, when the motor 803 is started, it drives the screw 802 to rotate, and the screw 802 drives the mounting seat 805 to move horizontally along the axis direction through the sliding seat 804, so that the welding gun 806 can accurately weld the grid along the weld seam, ensuring the welding quality. At the same time, the cylinder 6 is used to control the lifting shaft 601 to move up and down. The lifting shaft 601 will drive the bearing plates 3 at both ends to deflect synchronously through the connecting rod 301, so that the welding angle between the two grids can be flexibly adjusted. When the grid structure adjusts the welding angle, the electric lifting rod 7 is used to control the mounting frame 801 to make corresponding lifting and lowering movements as the grid swings, so that the welding gun 806 can always maintain an appropriate welding distance from the joint, which is beneficial to improving the welding effect.

[0050] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An adjustable assembly welding positioning device of a grid structure, comprising a workbench (1), characterized in that: A cylinder (6) is fixedly arranged at the center of the bottom of the workbench (1), and the output end of the cylinder (6) is connected to a lifting shaft (601). A rotating seat (2) is fixedly arranged on both sides of the upper end of the workbench (1). A pair of bearing plates (3) are symmetrically rotatably mounted in the rotating seat (2). A clamping assembly (4) is arranged on the surface of the bearing plate (3). The bottom of the bearing plate (3) is rotatably matched with one end of a connecting rod (301), and the other end of the connecting rod (301) is rotatably matched with the lifting shaft (601). A follower plate (5) is slidably mounted between the side edges of the two bearing plates (3), and a welding assembly (8) is arranged above the follower plate (5); The clamping assembly (4) comprises a pair of transverse clamping plates (401), a sliding groove (304) is arranged on the surface of the bearing plate (3), the bottom of the transverse clamping plate (401) is horizontally slidably installed in the sliding groove (304) through a slider, a slide table (305) is fixedly arranged on the upper end of the bearing plate (3), a compression spring (402) is arranged between the transverse clamping plate (401) and the side wall of the slide table (305), a sliding plate (403) is vertically slidably installed inside the slide table (305), a longitudinal clamping plate (404) is fixedly arranged at the front end of the sliding plate (403), an extension seat (306) is arranged on one side of the bearing plate (3), and the end of the sliding plate (403) is connected to the extension seat (306) through a return spring (405).

2. The adjustable assembly welding positioning device of a grid structure according to claim 1 is characterized in that: Pivots (302) are fixedly arranged on both sides of the bearing plate (3), and the bearing plate (3) is rotatably matched with the rotating seat (2) via the pivots (302). Follower slide grooves (303) are arranged along the length direction of the side edges of the bearing plate (3). A fixing rod (501) is fixedly arranged between the follower plates (5). A sliding pin (502) is arranged on the side wall of the follower plate (5), and the sliding pin (502) is adapted to be slidably installed in the corresponding follower slide groove (303).

3. The adjustable assembly welding positioning device of a grid structure according to claim 2 is characterized in that: A spring groove (504) is provided in the center of the fixed rod (501), a push rod (505) is slidably provided in the spring groove (504), a baffle (506) is fixedly provided at the bottom of the push rod (505), a support (507) is fixedly provided at the top of the push rod (505), a lifting spring (508) is provided between the bottom of the support (507) and the spring groove (504), and a first positioning plate (509) and a second positioning plate (510) are rotatably installed in the support (507) via a rotating shaft.

4. The adjustable assembly welding positioning device of a grid structure according to claim 3 is characterized in that: The first positioning plate (509) and the second positioning plate (510) are arranged opposite to each other on both sides of the support (507), and torsion springs (511) are arranged between the two ends of the first positioning plate (509) and the two ends of the second positioning plate (510). The first positioning plate (509) and the second positioning plate (510) both have a tendency to flip inwards and close together through the torsion springs (511).

5. The adjustable assembly welding positioning device of a grid structure according to claim 3 is characterized in that: The transverse clamping plate (401), the longitudinal clamping plate (404), the first positioning plate (509) and the second positioning plate (510) are all L-shaped plates. The transverse clamping plate (401) and the longitudinal clamping plate (404) are pressed against the side of the grid, and the first positioning plate (509) and the second positioning plate (510) are placed on the bottom of the side of the top end of the grid.

6. The adjustable assembly welding positioning device of a grid structure according to claim 1, characterized in that: The welding assembly (8) comprises a mounting frame (801), a screw rod (802) being rotatably mounted on the upper end of the mounting frame (801), the screw rod (802) being driven to rotate by a motor (803), a slide seat (804) being threadedly connected to the screw rod (802), a mounting seat (805) being fixedly arranged at the bottom of the slide seat (804), and a welding gun (806) being fixedly arranged on the mounting seat (805).

7. The adjustable assembly welding positioning device of a grid structure according to claim 6, characterized in that: The two grids are aligned against each other at the top positions, and the welding gun (806) is facing the joint between the tops of the two grids.

8. The adjustable assembly welding positioning device of a grid structure according to claim 6, characterized in that: An ear seat (503) is extended from the outside of the follower plate (5), and electric lifting rods (7) are fixedly arranged on both sides of the upper end of the workbench (1). The top end of the electric lifting rod (7) slides through the ear seat (503) and is fixedly connected to the bottom of the mounting frame (801).

9. The adjustable assembly welding positioning device of a grid structure according to claim 1, characterized in that: Limiting slide rails (101) are fixedly arranged on both sides of the upper end of the workbench (1), and both ends of the lifting shaft (601) are adapted to be slidably installed in the limiting slide rails (101).

10. The adjustable assembly welding positioning device of a grid structure according to claim 1, characterized in that: The angle formed between the two bearing plates (3) ranges from 60° to 180°.

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