Fixing device for steel structure welding

Abstract

The utility model relates to the technical field of welding fixing devices, and discloses a fixing device for steel structure welding, which comprises a base, the top surface of the base is fixedly connected with a bearing platform, the top surface of the bearing platform is fixedly connected with a linear reciprocating motion mechanism, and the surface of the linear reciprocating motion mechanism is slidably connected with a sliding plate. A rotating assembly is fixedly connected to the middle of the bottom face of the sliding plate, fixing blocks are fixedly connected to the two sides of the rotating assembly, and a fixing clamping mechanism is welded to one end of each fixing block. According to the fixing device for steel structure welding, through the arrangement of the fixing and clamping mechanism, when a worker needs welding, an external power source is connected firstly, a servo motor B is started, a lead screw B is driven to rotate, then a rotating ring A and a rotating ring B rotate reversely till abutting against each other, and the effect of fixing and clamping profile steel is achieved; and meanwhile, profile steel of different sizes can be fixedly clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixing devices, in particular to a fixing device for welding steel structures. Background Art

[0002] A fixture for steel structure welding generally refers to a device or mechanical tool used to fix and stabilize a workpiece during steel structure welding. In order to ensure accurate alignment of the workpiece during welding, maintain stability, and improve welding accuracy and quality, a fixture for steel structure welding is proposed.

[0003] A fixing device for steel structure welding disclosed in publication number CN210475991U can be used to fix and weld a square tube with two bevel cuts after aligning the two bevel cuts.

[0004] However, the steel structure welding fixture has the following disadvantages: when workers need to weld, sometimes they need to weld steel sections of different sizes, which need to be fixed and clamped, and it is not convenient to fix and clamp steel sections of different sizes. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a steel structure welding fixing device which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem of fixing steel sections of different models and sizes proposed in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a fixing device for steel structure welding, comprising a base, the top surface of the base is fixedly connected to a pedestal, the top surface of the pedestal is fixedly connected to a linear reciprocating motion mechanism, the surface of the linear reciprocating motion mechanism is slidably connected to a sliding plate, the middle part of the bottom surface of the sliding plate is fixedly connected to a rotating component, both sides of the rotating component are fixedly connected to fixed blocks, and one end of the fixed block is welded to a fixed clamping mechanism.

[0009] Optionally, the linear reciprocating motion mechanism includes a servo motor A fixedly connected to the top surface of the base, the output end of the servo motor A is splined with a transmission rod A, the surface of the transmission rod A is fixedly connected with a sleeve, the surface of the sleeve is rotatably connected with two groups of conveyor belts, one end of the two groups of conveyor belts are rotatably connected with a turntable, the turntable is used to drive the A screw rod to rotate, the turntable is rotatably connected to the two ends of the extension arm, the middle part of the turntable is fixedly connected with a screw rod A, and the A screw rod is used to drive the sliding plate to reciprocate.

[0010] Optionally, extension arms are fixedly connected to both sides of the top surface of the support platform.

[0011] Optionally, the rotating assembly includes a pushing rod fixedly connected to the middle part of the bottom surface of the sliding plate, the bottom of the pushing rod is rotatably connected to two rotating rods, one end of the two rotating rods is rotatably connected to a column, the column is fixedly connected to the surface of the base, and the column is used to limit the sliding plate from detaching from the A screw rod.

[0012] Optionally, the fixed clamping mechanism includes an A shell and a B shell fixedly connected to one end of the fixed block, a plurality of threaded holes are provided on the surfaces of the A shell and the B shell, screws are connected to the internal threads of the threaded holes, an A rotating circle is clamped on one side of the A shell, and a B rotating circle is clamped on one side of the B shell, the A rotating circle and the B rotating circle are both rotatably connected through a B screw rod, one end of the B screw rod is fixedly connected to the output end of the B servo motor, and the B servo motor is used to rotate the B screw rod.

[0013] Optionally, universal wheels are installed around the bottom surface of the base, and brake pads are fixedly installed inside the universal wheels, and the brake pads are used for braking.

[0014] (III) Beneficial effects

[0015] The utility model provides a fixing device for steel structure welding, which has the following beneficial effects:

[0016] 1. The steel structure welding fixture is equipped with a linear reciprocating motion mechanism and a rotating assembly. When a worker needs to weld, he first connects an external power supply and starts the A servo motor, so that the sleeve drives the conveyor belt to rotate, and then the conveyor belt drives the turntable to rotate, and the turntable drives the A screw rod to rotate, so that the sliding plate moves forward or backward, and the sliding plate drives the rotating rod to rotate around the column until the two rotating rods reach a horizontal position and are aligned. After adjusting the device once, batch fixed welding can be performed.

[0017] 2. The fixing device for steel structure welding has a fixed clamping mechanism. When a worker needs to weld, he first connects an external power supply and starts the B servo motor, thereby driving the B screw to rotate, and then causing the A rotating circle and the B rotating circle to rotate in opposite directions, thereby fixing and clamping the steel section. At the same time, steel sections of different sizes can be fixed and clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the fixed clamping mechanism of the utility model;

[0020] Figure 3This is a schematic diagram of the structure of the linear reciprocating motion mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the rotating assembly of the utility model.

[0022] In the figure: 1. base; 2. support platform; 3. linear reciprocating motion mechanism; 301. servo motor A; 302. sleeve; 303. conveyor belt; 304. turntable; 305. screw rod A; 4. sliding plate; 5. rotating assembly; 501. push rod; 502. rotating rod; 6. fixed block; 7. fixed clamping mechanism; 701. housing A; 702. housing B; 703. rotating circle A; 704. rotating circle B; 705. screw rod B; 706. servo motor B; 8. extension arm; 9. column; 10. universal wheel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a fixing device for welding a steel structure, comprising a base, a top surface of the base 1 is fixedly connected to a support 2, a top surface of the support 2 is fixedly connected to a linear reciprocating motion mechanism 3, a surface of the linear reciprocating motion mechanism 3 is slidably connected to a sliding plate 4, a middle portion of the bottom surface of the sliding plate 4 is fixedly connected to a rotating assembly 5, through the arrangement of the linear reciprocating motion mechanism 3 and the rotating assembly 5, when a worker needs to weld, first connect an external power supply, start a servo motor A 301, so that the sleeve 302 drives the conveyor belt 303 to rotate, and then the conveyor belt 303 drives the turntable 304 to rotate, and the turntable 304 drives the A screw rod 305 to rotate, so that the sliding plate 4 is slidably connected to the surface of the linear reciprocating motion mechanism 3, and the ... rotating assembly 5 is fixedly connected to the middle portion of the bottom surface of the sliding plate 4, and the sliding plate 4 is slidably connected to the surface of the linear reciprocating motion mechanism 3, and the rotating assembly 5 is fixedly connected to the middle portion of the bottom surface of the sliding plate 4, and the sliding plate 4 is slidably connected to the surface of the linear re The plate 4 moves forward or backward, and the sliding plate 4 drives the rotating rod 502 to rotate around the column 9 until the two rotating rods 502 reach a horizontal position and are aligned. The device is adjusted once to perform batch fixed welding. Both sides of the rotating component 5 are fixedly connected with fixed blocks 6, and one end of the fixed block 6 is welded with a fixed clamping mechanism 7. Through the setting of the fixed clamping mechanism 7, when the worker needs to weld, first connect the external power supply, start the B servo motor 706, and then drive the B screw rod 705 to rotate, so that the A rotating circle 703 and the B rotating circle 704 rotate in the opposite direction, so as to fix and clamp the steel section, and at the same time, steel sections of different sizes can be fixed and clamped.

[0025] The linear reciprocating motion mechanism 3 includes an A servo motor 301 fixedly connected to the top surface of the base 2, the output end of the A servo motor 301 is splined with an A transmission rod, the surface of the A transmission rod is fixedly connected with a sleeve 302, the surface of the sleeve 302 is rotatably connected with two sets of conveyor belts 303, one end of the two sets of conveyor belts 303 are rotatably connected with a turntable 304, through the setting of the turntable 304, it plays a role in driving the A screw rod 305 to rotate, the turntable 304 is rotatably connected to the two ends of the extension arm 8, the middle part of the turntable 304 is fixedly connected with an A screw rod 305, through the setting of the A screw rod 305, it plays a role in driving the sliding plate 4 to reciprocate.

[0026] Extension arms 8 are fixedly connected to both sides of the top surface of the support platform 2.

[0027] The rotating assembly 5 includes a pushing rod 501 fixedly connected to the middle part of the bottom surface of the sliding plate 4, and the bottom of the pushing rod 501 is rotatably connected to two rotating rods 502. One end of the two rotating rods 502 is rotatably connected to a column 9, and the column 9 is fixedly connected to the surface of the base 1. Through the setting of the column 9, the sliding plate 4 is restricted from detaching from the A screw rod 305.

[0028] The fixed clamping mechanism 7 includes an A shell 701 and a B shell 702 fixedly connected to one end of the fixed block 6. The surfaces of the A shell 701 and the B shell 702 are provided with a plurality of threaded holes, and the internal threads of the threaded holes are connected with screws. An A rotating circle 703 is clamped on one side of the A shell 701, and a B rotating circle 704 is clamped on one side of the B shell 702. The A rotating circle 703 and the B rotating circle 704 are both rotatably connected through a B screw rod 705. One end of the B screw rod 705 is fixedly connected to the output end of the B servo motor 706, and the B servo motor 706 is configured to rotate the B screw rod 705.

[0029] Universal wheels 10 are installed around the bottom surface of the base 1, and brake pads are fixedly installed inside the universal wheels 10, so as to play a braking role.

[0030] In the utility model, the working steps of the device are as follows:

[0031] Step 1: When a worker needs to weld, he first connects an external power source and starts the A servo motor 301, so that the sleeve 302 drives the conveyor belt 303 to rotate, and then the conveyor belt 303 drives the turntable 304 to rotate, and the turntable 304 drives the A screw rod 305 to rotate, so that the sliding plate 4 moves forward or backward, and the sliding plate 4 drives the rotating rod 502 to rotate around the column 9 until the two rotating rods 502 reach a horizontal position and are aligned;

[0032] The second step: when the worker needs to weld, first connect the external power supply and start the B servo motor 706, thereby driving the B screw rod 705 to rotate, and then causing the A rotating circle 703 and the B rotating circle 704 to rotate in opposite directions until they abut against each other.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure welding fixture, comprising a base (1), characterized in that: The top surface of the base (1) is fixedly connected to a support platform (2), the top surface of the support platform (2) is fixedly connected to a linear reciprocating motion mechanism (3), the surface of the linear reciprocating motion mechanism (3) is slidably connected to a sliding plate (4), the middle of the bottom surface of the sliding plate (4) is fixedly connected to a rotating assembly (5), both sides of the rotating assembly (5) are fixedly connected to fixed blocks (6), and one end of the fixed block (6) is welded to a fixed clamping mechanism (7).

2. A steel structure welding fixture according to claim 1, characterized in that: The linear reciprocating motion mechanism (3) comprises an A servo motor (301) fixedly connected to the top surface of the support platform (2); the output end of the A servo motor (301) is spline-connected to an A transmission rod; the surface of the A transmission rod is fixedly connected to a sleeve (302); the surface of the sleeve (302) is rotatably connected to two groups of conveyor belts (303); one end of the two groups of conveyor belts (303) is rotatably connected to a turntable (304); the turntable (304) is rotatably connected to the two ends of the extension arm (8); and the middle of the turntable (304) is fixedly connected to an A screw rod (305).

3. A steel structure welding fixture according to claim 1, characterized in that: Extension arms (8) are fixedly connected to both sides of the top surface of the support platform (2).

4. A steel structure welding fixture according to claim 1, characterized in that: The rotating assembly (5) comprises a pushing rod (501) fixedly connected to the middle part of the bottom surface of the sliding plate (4); the bottom of the pushing rod (501) is rotatably connected to two rotating rods (502); one end of each of the two rotating rods (502) is rotatably connected to a column (9); and the column (9) is fixedly connected to the surface of the base (1).

5. A steel structure welding fixture according to claim 1, characterized in that: The fixed clamping mechanism (7) comprises an A shell (701) and a B shell (702) fixedly connected to one end of a fixed block (6); the surfaces of the A shell (701) and the B shell (702) are both provided with a plurality of threaded holes, the internal threads of the threaded holes are connected with screws, one side of the A shell (701) is clamped with an A rotating circle (703), and one side of the B shell (702) is clamped with a B rotating circle (704), the A rotating circle (703) and the B rotating circle (704) are both rotatably connected via a B screw rod (705), and one end of the B screw rod (705) is fixedly connected to the output end of a B servo motor (706).

6. A steel structure welding fixture according to claim 1, characterized in that: Universal wheels (10) are installed around the bottom surface of the base (1), and brake pads are fixedly installed inside the universal wheels (10).

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