Automatic overturning clamp for steel structure welding

Abstract

The utility model discloses an automatic turning clamp for welding a steel structure, which comprises a U-shaped seat, a first motor is fixedly connected to one side of the U-shaped seat, a bidirectional screw rod is fixedly connected to the output end of the first motor, moving plates are in threaded connection to two sides, far away from each other, of the bidirectional screw rod, and a second motor is fixedly connected to the moving plates. The output end of the second motor is fixedly connected with a rotating disc, one side of the rotating disc is fixedly connected with an object placing base, an object placing groove is formed in the object placing base, limiting grooves are formed in the positions, located on the two sides of the object placing groove, of the object placing base, and the positions, located on the upper sides of the limiting grooves, of the object placing base are fixedly connected with a third motor. The two steel structures are stably connected through cooperation of the storage bases and the pressing plates, meanwhile, the two-way lead screws promote the moving plates to move relatively, the electric push rods and the limiting strips are used for limiting the steel structure pieces, the second motor drives the rotary disc and the storage bases to turn over, and the two storage bases synchronously rotate through the fixing rods. And the overturning stability in the steel structure welding process can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure welding fixture technical field, concretely relates to a kind of automatic turnover fixture for steel structure welding. BACKGROUND

[0002] Steel structure welding fixture is a kind of tooling equipment designed to improve steel structure welding efficiency, usually using mechanical structure to realize the clamping, turnover and positioning of steel structure, so as to carry out all-round welding operation.

[0003] Steel structure welding fixture can usually clamp two structures that need to be welded, and make the welding surfaces of the two structures correspond, then weld by moving type welding machine, and then turn over the steel structure by using clamping structure, and repeat the welding process, the size of part of steel structure is larger, when the clamping structure drives the steel structure to turn over, the angle of rotation will be deviated, which will increase the stress of welding surface and cause the welding surface to crack.

[0004] According to the patent publication number CN216656972U "a kind of steel structure automatic assembly welding fixture", it mainly describes that by starting the extension of hydraulic rod, the piston can be driven to move upwards along the inner cavity of conveying cylinder, while the piston moves, the air inside the conveying cylinder can be pushed into the inside of fixed cylinder through pipeline, so that the air can push the push rod to move downwards along the inner cavity of fixed cylinder, while the push rod moves, it can drive the arc-shaped clamping plate to move downwards, until the bottom of the arc-shaped clamping plate can tightly contact with the surface of the steel pipe placed in the fixed frame, so as to achieve the effect of quickly clamping and fixing two groups of steel pipes, and by starting the work of stepping motor, the first bevel gear can be driven to rotate, the rotation of the first bevel gear can drive the second bevel gear and the shaft to rotate along the bearing on the base, the rotation of the shaft can drive the fixed rod to rotate and drive the movable rod to move, while the movable rod moves, it can pull the vertical rod, so that the vertical rods on both sides move towards each other, the movement of the vertical rods drives the fixed frame, fixed cylinder, push rod, arc-shaped clamping plate and steel pipe to move, until the butt joint surfaces of the two steel pipes needed to be welded can be contacted, so as to achieve the effect of quickly butt joint assembly of steel pipes, under the action of overall cooperation, the purpose of quickly clamping and fixing and butt joint assembly of steel pipes by the fixture is realized, it is convenient and fast to operate, effectively improves the work efficiency, brings great convenience to the use of workers, solves the problem that the existing steel structure welding fixture is more complicated in the way of fixing and butt joint assembly of steel pipes, and adopts manual operation mode, greatly increases the labor intensity of workers, and a lot of time is needed in the operation process, which reduces the work efficiency, in the process of turning over part of steel structure by the fixture, the welding surface is easily affected by stress and cracks due to the influence of the size of steel structure, which affects the welding efficiency.

[0005] Therefore, an automatic overturning clamp for steel structure welding is proposed to solve the problem that the welding surface is easily affected by stress and cracks during the process of overturning the steel structure driven by the clamp, thereby affecting the welding efficiency. Contents of the utility model

[0006] The utility model solves the technical problem that the welding surface is easily affected by stress and cracks during the process of overturning the steel structure driven by the clamp, thereby affecting the welding efficiency.

[0007] The utility model adopts the technical scheme that an automatic overturning clamp for steel structure welding, including U type seat, one side of U type seat is fixedly connected with first motor, first motor output fixedly connected with two -way screw rod, two -way screw rod on the both sides away from each other all are threadedly connected with moving plate, moving plate fixedly connected with second motor, second motor output fixedly connected with carousel, one side of carousel fixedly connected with the object seat, the object groove is set up on the object seat, the both sides of the object groove of object seat all are set up with limit slot, the object seat is fixedly connected with third motor on the upper side of limit slot, third motor output fixedly connected with screw rod, the bottom side screw rod fixedly connected with pressing plate, the bottom side of the object groove of object seat is set up with positioning hole, the fixed rod is movably inserted in the positioning hole.

[0008] As a preferred technical scheme of the utility model, the both ends of the fixed rod are fixedly connected with the inserting rod, one end of the inserting rod is sleeved with the connecting block, the connecting block is in contact with the object seat, one side of the connecting block is in contact with the spring, and the spring is located in the positioning hole. By setting the spring and the connecting block, the inserting rod can be positioned, thereby reducing the instability of the adjacent two object seats when rotating.

[0009] As a preferred technical scheme of the utility model, the object seat is in contact with the limiting strip in the object groove, the upper side of the limiting strip is fixedly connected with the electric push rod, and the fixed end of the electric push rod is fixedly connected to the pressing plate. By setting the limiting strip, the object seat can adapt to the connection between different steel structures.

[0010] As a preferred technical scheme of the utility model, the bottom side of the pressing plate is provided with a hidden groove, and the hidden groove corresponds to the limiting strip. By setting the hidden groove, the limiting strip can be avoided.

[0011] As a preferred technical scheme of the utility model, the opposite sides of the two moving plates are fixedly connected with the limiting rings, the supporting balls are rotatably embedded in the limiting rings and the moving plates, and the supporting balls are in contact with the carousel. By setting the limiting ring and the supporting ball, the stability of the carousel rotation is improved.

[0012] As a preferred technical scheme of the utility model, the reinforcing ribs are fixedly connected to the both sides of the moving plate, and the bottom side of the reinforcing rib is in contact with the U-shaped seat. The reinforcing ribs are arranged to increase the stability of the moving plate during movement and support.

[0013] The utility model has the following advantages: two moving plates are arranged to be relatively moved, and the pressing plate is arranged to cooperate with the object seat to stabilize the connection of the two steel structures. The bidirectional screw rod is arranged to promote the relative movement of the moving plates, and the electric push rod and the limiting strip are arranged to limit the steel structure. The second motor is arranged to drive the rotating disc and the object seat to overturn, and the fixed rod is arranged to synchronously rotate the two object seats, thereby improving the stability of the overturning during the welding of the steel structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a side view cross-sectional structure schematic view of a steel structure welding automatic overturning clamp according to a preferred embodiment of the utility model;

[0015] Fig. 2 is a pressing plate three-dimensional cross-sectional structure schematic view of a steel structure welding automatic overturning clamp according to a preferred embodiment of the utility model;

[0016] Fig. 3 is an enlarged structure schematic view of position A of a steel structure welding automatic overturning clamp according to a preferred embodiment of the utility model.

[0017] The reference signs are as follows: 1, U-shaped seat; 2, bidirectional screw rod; 3, moving plate; 4, rotating disc; 5, object seat; 6, object groove; 7, limiting groove; 8, screw rod; 9, pressing plate; 10, positioning hole; 11, spring; 12, connecting block; 13, fixed rod; 14, electric push rod; 15, limiting strip; 16, hidden groove; 17, limiting ring; 18, supporting ball; 19, reinforcing rib. DETAILED DESCRIPTION

[0018] The utility model will be further described in combination with the drawings.

[0019] Please refer to Figs. 1-3The utility model provides an automatic turnover clamp for steel structure welding, which comprises a U-shaped seat 1, a welding structure (using existing welding technology) arranged at the center of the upper end of the U-shaped seat 1, a first motor fixedly connected to one side of the U-shaped seat 1, a bidirectional screw rod 2 driven by the first motor to rotate, which can promote the relative movement of two moving plates 3, so that the two opposite storage seats 5 are relatively close to each other, thereby adjusting the weld width between the two steel structures, the output end of the first motor is fixedly connected to the bidirectional screw rod 2, the two sides of the bidirectional screw rod 2 are threadedly connected to the moving plates 3 away from each other, a second motor is fixedly connected to the moving plate 3, the second motor drives the rotating disc 4 to rotate, which can make the storage seat 5 turn over, thereby turning over the steel structure and realizing double-sided welding, the output end of the second motor is fixedly connected to the rotating disc 4, one side of the rotating disc 4 is fixedly connected to the storage seat 5, the storage seat 5 is provided with a storage groove 6, the two sides of the storage seat 5 located in the storage groove 6 are provided with limiting grooves 7, a third motor is fixedly connected to the upper side of the limiting groove 7 where the storage seat 5 is located, the output end of the third motor is fixedly connected to a screw rod 8, the third motor drives the screw rod 8 to rotate, which can promote the downward movement of a pressing plate 9 and limit the steel structure together with the storage seat 5, the bottom side of the screw rod 8 is threadedly connected to the pressing plate 9, the bottom side of the storage seat 5 located in the storage groove 6 is provided with a positioning hole 10, a fixed rod 13 is movably inserted into the positioning hole 10, when the storage seat 5 needs to be turned over, the fixed rod 13 is inserted into the positioning hole 10, which can provide synchronous turning over when the storage seat 5 is turned over.

[0020] Among them, the positioning hole 10 is fixedly connected with a spring 11, one end of the spring 11 is in contact with a connecting block 12, the storage seat 5 is in contact with the connecting block 12, the connecting block 12 is sleeved with a plug rod, the plug rod is fixedly connected to the two ends of the fixed rod 13, the spring 11 and the connecting block 12 are arranged to limit the fixed rod 13 from being affected by external force and stably positioned in the positioning hole 10.

[0021] Among them, the pressing plate 9 is fixedly connected with a fixed end of an electric push rod 14, the electric push rod 14 is fixedly connected to the upper side of a limiting strip 15, the limiting strip 15 is in contact with the storage groove 6, the storage groove 6 is located on the storage seat 5, the electric push rod 14 and the limiting strip 15 are arranged to stably limit the steel structure.

[0022] Among them, the limiting strip 15 corresponds to a hidden groove 16, the hidden groove 16 is located at the bottom side of the pressing plate 9, the limiting strip 15 is arranged to adjust the position of the steel structure in the storage groove 6, and further improve the connecting effect.

[0023] Among them, the rotating disc 4 is in contact with a supporting ball 18, the supporting ball 18 is rotatably embedded in a limiting ring 17 and the moving plate 3, the two limiting rings 17 are fixedly connected to the opposite side of the two moving plates 3, the limiting ring 17 is arranged to improve the stability of the rotating disc 4 and the storage seat 5 when they rotate, and the supporting ball 18 is arranged to reduce the friction of the rotating disc 4.

[0024] The U-shaped seat 1 is in contact with the bottom side of the reinforcing rib 19, the reinforcing rib 19 is fixedly connected on both sides of the moving plate 3, and the reinforcing rib 19 can increase the stability of the moving plate 3.

[0025] Working principle: the steel structure is respectively placed into the two opposite storage seats 5, the electric push rod 14 near the position is stretched according to the size of the steel structure, the limiting strip 15 contacts the storage groove 6, then the third motor is started and drives the screw rod 8 to rotate and drives the pressing plate 9 to press down to contact the steel structure, so that the steel structure is in a stable and limited state, then the first motor is started to drive the bidirectional screw rod 2 to rotate and promote the relative movement of the two moving plates 3, so as to adjust the spacing of the steel structure, then after the welding of one side of the steel structure is completed, the fixed rod 13 is inserted into the positioning hole 10, when the second motor is started, the two rotating discs 4 and the storage seats 5 are synchronously rotated, the welding equipment welds the other side of the steel structure, so that the collapse of the welding surface is avoided, and the welding efficiency is improved.

[0026] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

[0027] The other parts not described in the present application are all prior art, so here is not described.

[0028] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the present application, rather than limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present application.

Claims

1. An automated turnover fixture for welding of steel structures, comprising a U-shaped seat (1), characterized in that, The U-shaped seat (1) is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a bidirectional screw rod (2), the two sides of the bidirectional screw rod (2) are threadedly connected with moving plates (3) away from each other, the moving plates (3) are fixedly connected with a second motor, the output end of the second motor is fixedly connected with a rotating disc (4), one side of the rotating disc (4) is fixedly connected with a storage seat (5), the storage seat (5) is provided with a storage groove (6), the two sides of the storage seat (5) are provided with limiting grooves (7), the third motor is fixedly connected to the upper side of the limiting groove (7), the output end of the third motor is fixedly connected with a screw rod (8), the bottom side of the screw rod (8) is threadedly connected with a pressing plate (9), the bottom side of the storage seat (5) is provided with a positioning hole (10), and the positioning hole (10) is movably connected with a fixing rod (13).

2. An automated roll-over fixture for welding steel structures as claimed in claim 1, characterized in that, The two ends of the fixing rod (13) are fixedly connected with plug rods, one end of the plug rod is sleeved with a connecting block (12), the connecting block (12) is in contact with the storage seat (5), one side of the connecting block (12) is in contact with a spring (11), and the spring (11) is located in the positioning hole (10).

3. An automated roll-over fixture for welding steel structures as claimed in claim 2, wherein, The storage seat (5) is in contact with a limiting strip (15) in the storage groove (6), the upper side of the limiting strip (15) is fixedly connected with an electric push rod (14), and the fixed end of the electric push rod (14) is fixedly connected to the pressing plate (9).

4. An automated roll-over fixture for welding steel structures as claimed in claim 3, wherein, The bottom side of the pressing plate (9) is provided with a hidden groove (16), and the hidden groove (16) corresponds to the limiting strip (15).

5. An automated roll-over fixture for welding steel structures as claimed in claim 1, wherein, The opposite sides of the two moving plates (3) are fixedly connected with limiting rings (17), the limiting rings (17) are rotatably embedded with supporting balls (18) on the moving plates (3), and the supporting balls (18) are in contact with the rotating disc (4).

6. An automated roll-over fixture for welding steel structures as claimed in claim 5, wherein, The two sides of the moving plate (3) are fixedly connected with reinforcing ribs (19), and the bottom side of the reinforcing rib (19) is in contact with the U-shaped seat (1).

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