CN205057371U - Cross iron tower work piece automatic weld anchor clamps - Google Patents

Abstract

The utility model relates to a cross-shaped iron tower workpiece automatic welding fixture, which includes a horizontal transmission mechanism, a lifting mechanism, a rotating clamping mechanism, etc.; Composed of mechanism and fixed end rotary clamping mechanism; through the horizontal transmission mechanism, the moving end lifting mechanism is driven to move horizontally to adapt to the fixing of workpieces of different lengths and specifications, and the lifting mechanism and movable pneumatic grippers are used to adapt to different widths Fixation and rotation of workpieces with different thicknesses; the utility model is used to realize the fixed and clamping requirements for workpiece position changes during automatic welding of different specifications of cross-shaped and similar workpieces, and promotes the development of welding automation in the iron tower workpiece industry.

Description

A cross-shaped iron tower workpiece automatic welding fixture

technical field

The utility model is mainly aimed at fixing and clamping cross-shaped workpieces of different specifications and similar iron towers when welding, so as to realize the requirements for changing the position of the workpieces when each part of the workpieces is welded.

Background technique

At present, in the welding operation of iron tower workpieces, manual welding is usually used without fixtures. The labor intensity of the workers is high, the working environment is harsh, the production efficiency is low, and the welding quality is difficult to guarantee.

Utility model content

The applicant aims at the shortcomings of the above-mentioned existing iron tower welding workpieces using manual welding, such as high labor intensity, harsh working environment, and low production efficiency, and in combination with the actual industrial production, provides an automatic welding fixture for iron tower workpieces, thereby greatly reducing the labor intensity of workers and improving Production efficiency, realize mechanized and automatic welding.

The technical solution adopted by the utility model is: a cross-shaped iron tower workpiece automatic welding fixture, including a horizontal transmission mechanism, a moving end lifting mechanism, a moving end rotating mechanism, a clamping mechanism, a fixed end rotating mechanism, and a fixed end lifting mechanism. The horizontal transmission mechanism includes a base, a ball screw, a linear guide, a slider, and a three-phase AC motor. The lifting mechanism includes the same lifting mechanism at the mobile end and the lifting mechanism at the fixed end; the lifting mechanism at the moving end is: the lower supporting plate, the lifting cylinder, the guide shaft, and the upper supporting plate; the lifting mechanism at the moving end is fixed on the linear guide rail, and the lifting mechanism at the fixed end is fixed on the base.

The rotating mechanism includes the same mobile end rotating mechanism and fixed end rotating mechanism; the fixed end lifting mechanism is: AC servo motor, rotating disc; the mobile end rotating mechanism does not need to install an AC servo motor, which is fixed on the moving end lifting mechanism, fixed The end rotation mechanism is fixed on the fixed end lifting mechanism.

The clamping mechanism includes 8 movable pneumatic grippers, 4 at each end. The position of the movable pneumatic grippers can be adjusted within a certain range on the rotating disc; the lifting mechanism and the rotating mechanism of the moving end can be adjusted through the horizontal transmission mechanism. The position of the clamping mechanism is adapted to the clamping work of workpieces of different lengths, and the vertical position of the clamping mechanism is adapted to the clamping mechanism through the adjustment of the moving end lifting mechanism and the fixed end lifting mechanism.

The beneficial effects of the utility model are: the labor intensity of workers is greatly reduced, the production efficiency is improved, and mechanized and automatic welding is realized.

Description of drawings

Fig. 1 is a schematic diagram of the position of each mechanism of the utility model.

Fig. 2 is a schematic diagram of the horizontal transmission structure of the utility model.

Fig. 3 is a schematic diagram of the lifting structure of the utility model.

Fig. 4 is a schematic diagram of the rotary clamping structure of the utility model.

detailed description

Below in conjunction with accompanying drawing, illustrate the specific embodiment of the present utility model.

As shown in Figure 1, the cross-shaped iron tower workpiece automatic welding fixture described in the utility model includes a horizontal transmission mechanism, a moving end lifting mechanism, a moving end rotating mechanism, a fixed end lifting mechanism, a fixed end rotating mechanism, and a clamping mechanism.

As shown in Figure 2, the horizontal transmission mechanism includes a base 1-1, a ball screw 1-2, a linear guide rail 1-3, a three-phase AC motor 1-5, etc.; a lifting mechanism includes a lifting cylinder 2-2, a guide shaft 2- 4, etc.; the rotary clamping mechanism includes an AC servo motor 3-1, a rotating disc 3-2, a pneumatic (or hydraulic) manipulator 4-1, etc., and the adjustable clamping manipulator is used to deal with workpieces of different specifications without affecting Fixing work when the workpiece has an arc striker and an arc extinguisher.

The welding workpiece is placed on the workpiece table. According to the specifications of the placed workpiece, the lifting mechanism adjusts the position in the vertical direction through the lifting cylinder 2-2, and aligns the center of the rotating disk 3-2 of the rotating mechanism with the rotation center of the workpiece; then The horizontal transmission mechanism drives the ball screw 1-2 through the three-phase AC motor 1-5 to drive the moving end lifting mechanism 2 and the moving end rotating mechanism 3 to move; the pneumatic (or hydraulic) mechanical gripper 4-1 on the rotating disc 3-2 Fix the workpiece; after the workpiece is fixed, the upper part of the workpiece can be automatically welded. After the welding is completed, the lifting mechanism lifts the workpiece to rotate the workpiece. The rotation angle of the workpiece is controlled by the servo motor to automatically weld the other part of the workpiece. The entire control process can be controlled by PLC or other control methods to complete the automatic welding work at different positions of the workpiece.

Claims (5)

1. A cross-shaped iron tower workpiece automatic welding fixture is characterized in that: comprise horizontal transmission mechanism (1), moving end lifting mechanism (2), moving end rotating mechanism (3), clamping mechanism (4), fixed end rotates Mechanism (5), fixed end lifting mechanism (6). 2. The cross-shaped iron tower workpiece automatic welding fixture as claimed in claim 1, characterized in that: the horizontal transmission mechanism (1) is: comprising a base (1-1), a ball screw (1-2), a linear guide rail (1 -3), slide block (1-4), three-phase AC motor (1-5). 3. The cross-shaped iron tower workpiece automatic welding fixture as claimed in claim 1, characterized in that: the lifting mechanism is: comprising the same moving end lifting mechanism (2) and fixed end lifting mechanism (6); the moving end lifting mechanism (2 ) is: lower supporting plate (2-1), lifting cylinder (2-2), guide shaft (2-3), upper supporting plate (2-4); the moving end lifting mechanism (2) is fixed on the linear guide rail (1 -3), the fixed end lifting mechanism (6) is fixed on the base (1-1). 4. The cross-shaped iron tower workpiece automatic welding fixture as claimed in claim 1, characterized in that: the rotating mechanism is: comprising the same mobile end rotating mechanism (3) and fixed end rotating mechanism (5); the fixed end lifting mechanism (6 ) is: AC servo motor (3-1), rotating disc (3-2); the rotating mechanism (3) at the mobile end does not need to install the AC servo motor (3-1), and it is fixed on the lifting mechanism (2) at the mobile end On, the fixed end rotating mechanism (5) is fixed on the fixed end lifting mechanism (6). 5. The cross-shaped iron tower workpiece automatic welding fixture as claimed in claim 1, characterized in that: the clamping mechanism (4) includes 8 movable pneumatic mechanical grippers (4-1), 4 of which are respectively placed at both ends, and can be moved The position of the pneumatic gripper (4-1) on the rotating disk (3-2) can be adjusted within a certain range; the lifting mechanism (2) of the moving end, the rotation mechanism (3) and the clamping mechanism can be adjusted through the horizontal transmission mechanism (1). The position of the clamping mechanism (4) is adapted to the clamping work of workpieces of different lengths, and the vertical direction of the clamping mechanism (4) is adapted to the vertical direction of the clamping mechanism (4) through the adjustment of the moving end lifting mechanism (2) and the fixed end lifting mechanism (6). s position.