CN111498422A - Automatic feeding and positioning equipment for welding web of H-shaped steel robot - Google Patents

Abstract

The invention relates to automatic feeding and positioning equipment for welding webs by an H-shaped steel robot, which comprises a plurality of lifting centering mechanisms arranged in parallel, wherein a web conveying mechanism and a conveying power mechanism are arranged on each lifting centering mechanism, each lifting centering mechanism comprises a base, a synchronizing shaft is horizontally and rotatably arranged at the lower part of each base, two sides of each synchronizing shaft are connected with a lifter, each lifter comprises a lifting screw rod, two sides of each synchronizing shaft are connected with the inner ends of worms, the lower ends of the lifting screw rods are provided with turbines, one side of the lower part of each base is provided with a lifting servo motor, the output end of each lifting servo motor is connected with the outer end of one. The invention has simple structure and provides accurate positioning for welding the H-shaped steel by a robot; the positions of various types of the H-shaped steel web plates are automatically adjusted by adopting digital parameterization, so that the method is stable and reliable.

Description

An H-beam robot welding web automatic feeding and positioning equipment

technical field

The invention belongs to the technical field of welding equipment, and relates to automatic feeding and positioning equipment for an H-shaped steel robot welding web.

Background technique

With the continuous promotion of the application of industrial robots in my country, the robot welding technology has become more and more mature, and the application fields have become wider and wider, and the application of robot welding in the steel structure industry has just begun. For the wing plate of the traditional H-beam production line, the manual feeding is labor-intensive, the positioning is poor, the position adjustment is complicated, and the stability is poor.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an H-shaped steel robot welding web automatic feeding and positioning equipment, which can solve the problems of cumbersome position adjustment and poor stability, and has high working efficiency.

According to the technical solution provided by the present invention, an H-beam robot welding web automatic feeding and positioning equipment includes several parallel lifting and centering mechanisms, and a web conveying mechanism and a conveying power mechanism are installed on the lifting and centering mechanism.

As a further improvement of the present invention, the lifting and centering mechanism includes a machine base, and a synchronous shaft is installed horizontally at the lower part of the machine base, and two sides of the synchronous shaft are connected to a lift, the lift includes a lifting screw, and two of the synchronous shaft are connected. The side is connected to the inner end of the worm, the lower end of the lifting screw is installed with a turbine, the lower side of the base is equipped with a lifting servo motor, the output end of the lifting servo motor is connected to the outer end of the worm on one side, and the upper sleeve of the lifting screw A lifting nut is provided, a guide column is arranged on the side of the lifting screw, and a lifting platform is slidably arranged in the guide columns on both sides. One end of the bidirectional screw rod is connected to the output shaft of the centering servo motor, and a centering nut is respectively sleeved on the positive and negative thread segments of the bidirectional screw rod.

As a further improvement of the present invention, the web conveying mechanism includes a conveying support, one side of the conveying support is rotatably installed with a driven sprocket, the other side is rotatably installed with a transition sprocket, and the lower portion of the conveying support is rotatably installed with a driving sprocket; The driven sprocket, transition sprocket and driving sprocket are connected by a chain.

As a further improvement of the present invention, the conveying power mechanism includes a transmission bracket and a deceleration motor, a drive shaft is rotatably installed in the transmission bracket, and one side of the drive shaft is connected to the output end of the deceleration motor through a gear structure, and the drive shaft The middle part is connected to the driving sprocket.

As a further improvement of the present invention, the drive shaft is a hexagonal shaft, and a hexagonal groove is provided in the driving sprocket.

As a further improvement of the present invention, a limit cover is installed on the top of the lifting screw and the guide column.

As a further improvement of the present invention, a through groove is formed on the lifting platform, and the through groove is located above the positive and negative thread segments of the bidirectional screw rod.

The positive progressive effect of the present invention is:

The invention has a simple structure, provides precise positioning for H-shaped steel by robot welding, and adopts digital parameterization to automatically adjust the positions of various types of H-shaped steel webs, which is stable and reliable.

Description of drawings

FIG. 1 is a front view of the present invention.

Figure 2 is a top view of the present invention.

Figure 3 is a left side view of the present invention.

Fig. 4 is a front view of the web conveying mechanism of the present invention.

FIG. 5 is a front view of the lifting and centering mechanism of the present invention.

FIG. 6 is a front view of the conveying power mechanism of the present invention.

Fig. 7 is a top view of the conveying power mechanism of the present invention.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

In Figure 1-7, it includes web conveying mechanism 1, driven sprocket 1.1, chain 1.2, driven sprocket support 1.3, conveying support 1.4, transition sprocket support 1.5, transition sprocket 1.6, driving sprocket 1.7, lift Alignment mechanism 2, guide post 2.1, limit cover 2.2, lift 2.3, lift platform 2.4, bidirectional screw 2.5, centering nut 2.6, screw bracket 2.7, coupling 2.8, centering servo motor 2.9, lifting servo Motor 2.10, synchronous shaft 2.11, machine base 2.12, transmission power mechanism 3, transmission bracket 3.1, coupling 3.2, drive shaft 3.3, driven gear 3.4, driving gear 3.5, reduction motor 3.6, etc.

As shown in Figures 1-3, the present invention is an H-shaped steel robot welding web automatic feeding and positioning equipment, including several parallel lifting and centering mechanisms 2, and the lifting and centering mechanism 2 is installed with a web conveying mechanism 1 and The conveying power mechanism 3 drives the web conveying mechanism 1 to run.

As shown in Figure 5, the lifting and centering mechanism 2 includes a base 2.12. The lower part of the base 2.12 is installed with a synchronous shaft 2.11 that rotates horizontally. Both sides of the synchronous shaft 2.11 are connected to a lift 2.3. On both sides of the base 2.12, the two sides of the synchronous shaft 2.11 are connected to the lifting screw through the turbine worm structure, the two sides of the synchronous shaft 2.11 are connected to the inner end of the worm, the lower end of the lifting screw is installed with a turbine, and the turbine worm structure realizes the transformation of horizontal rotation into vertical For straight rotation, a lift servo motor 2.10 is installed on the lower side of the base 2.12, and the output end of the lift servo motor 2.10 is connected to the outer end of the worm on one side through a coupling. A lifting nut is sleeved on the lifting screw, a guide column 2.1 is arranged parallel to the side of the lifting screw, and a lifting platform 2.4 is slidably arranged in the guide columns 2.1 on both sides, and the lifting platform 2.4 is fixedly connected with the lifting nut.

The lower part of the lifting platform 2.4 is rotated to install the bidirectional screw 2.5 through the screw bracket 2.7. One end of the bidirectional screw 2.5 is connected to the output shaft of the centering servo motor 2.9 through the coupling 2.8, and the centering servo motor 2.9 is installed on the bottom side of the lifting platform 2.4. The lifting platform 2.4 is provided with a through groove, and the through groove is located above the front and back thread segments of the two-way screw rod 2.5. A centering nut 2.6 is respectively sleeved on the positive and negative thread sections of the bidirectional screw rod 2.5.

In order to prevent the lifting platform 2.4 from rising and separating from the lifting screw, a limit cover 2.2 is installed on the top of the lifting screw and guide post 2.1.

As shown in FIG. 4 , the web conveying mechanism 1 includes a conveying bracket 1.4, and the bottom of the conveying bracket 1.4 is mounted on a centering nut. One side of the conveying bracket 1.4 is rotated to install the driven sprocket 1.1 through the driven sprocket bracket 1.3, the other side is rotated to install the transition sprocket 1.6 through the transition sprocket bracket 1.5, and the lower part of the conveying bracket 1.4 is rotated to install the driving sprocket 1.7.

The driven sprocket 1.1, the transition sprocket 1.6, and the driving sprocket 1.7 are connected by a chain 1.2.

As shown in Figure 6-7, the conveying power mechanism 3 includes a transmission bracket 3.1 and a deceleration motor 3.6. The transmission bracket 3.1 and the deceleration motor 3.6 are installed on the side of the lifting platform 2.4. The transmission bracket 3.1 is rotated to install the drive shaft 3.3, and the side of the drive shaft 3.3 Install the driven gear 3.4, and install the drive gear 3.5 on the output shaft of the reduction motor 3.6. The drive gear 3.5 meshes with the driven gear 3.4. The middle of the drive shaft 3.3 is connected to the driving sprocket 1.7.

In this embodiment, the drive shaft 3.3 is a hexagonal shaft, and a hexagonal groove is provided in the driving sprocket 1.7.

The working process of the present invention is as follows:

The lift servo motor 2.10 drives the synchronous shaft 2.11 to rotate through one side of the worm to realize the synchronous rotation of the lift screws on both sides, and the screw nut drives the lift platform 2.4 to move to a suitable height.

The centering servo motor 2.9 drives the bidirectional screw 2.5 to rotate, and the centering nut 2.6 realizes the opposite or back movement of the web conveying mechanism 1 to an appropriate position to match the conveyed web.

The deceleration motor 3.6 drives the drive shaft 3.3 to rotate through the gear transmission structure, and the drive shaft 3.3 drives the drive gear 3.5 to rotate to realize the movement of the chain 1.2 and complete the transportation of the workpiece.

Claims (7)

1. An H-beam robot welding web automatic feeding and positioning device, characterized in that: the setting includes several lifting and centering mechanisms (2) arranged in parallel, and a web is installed on the lifting and centering mechanism (2). Conveying mechanism (1) and conveying power mechanism (3). 2. The H-beam robot welding web automatic feeding and positioning equipment according to claim 1, characterized in that: the lifting and centering mechanism (2) comprises a machine base (2.12), and the lower part of the machine base (2.12) is horizontal Rotate and install the synchronizing shaft (2.11), both sides of the synchronizing shaft (2.11) are connected to the elevator (2.3), the elevator (2.3) includes a lifting screw, both sides of the synchronizing shaft (2.11) are connected to the inner end of the worm, the A turbine is installed at the lower end of the lift screw, a lift servo motor (2.10) is installed on one side of the lower part of the base (2.12), and the output end of the lift servo motor (2.10) is connected to the outer end of the worm on one side. A lifting nut is sleeved, a guide column (2.1) is arranged parallel to the side of the lifting screw, and a lifting platform (2.4) is slidably arranged in the guide column (2.1) on both sides, and the lifting platform (2.4) is fixed with the lifting nut. Connection, the lower part of the lifting platform (2.4) is rotated to install a bidirectional screw (2.5), one end of the bidirectional screw (2.5) is connected to the output shaft of the centering servo motor (2.9), the bidirectional screw (2.5) is positive and negative Centering nuts (2.6) are respectively sleeved on the threaded sections. 3. The H-beam robot welding web automatic feeding and positioning device according to claim 1, characterized in that: the web conveying mechanism (1) comprises a conveying bracket (1.4), and one side of the conveying bracket (1.4) is Rotate and install the driven sprocket (1.1), rotate and install the transition sprocket (1.6) on the other side, and rotate the lower part of the conveying bracket (1.4) to install the driving sprocket (1.7); the driven sprocket (1.1), transition The sprocket (1.6) and the driving sprocket (1.7) are connected by the chain (1.2). 4. The H-beam robot welding web automatic feeding and positioning equipment according to claim 3, characterized in that: the conveying power mechanism (3) comprises a transmission bracket (3.1) and a reduction motor (3.6), and the transmission bracket (3.6) (3.1) Rotate and install the drive shaft (3.3), one side of the drive shaft (3.3) is connected to the output end of the reduction motor (3.6) through a gear structure, and the middle of the drive shaft (3.3) is connected to the drive sprocket ( 1.7). 5. The H-beam robot welding web automatic feeding and positioning equipment according to claim 4, characterized in that: the drive shaft (3.3) is a hexagonal shaft, and a hexagonal groove is set in the driving sprocket (1.7). 6. The H-beam robot welding web automatic feeding and positioning equipment according to claim 2, characterized in that: a limit cover plate (2.2) is installed on the top of the lifting screw and the guide post (2.1). 7. The H-beam robot welding web automatic feeding and positioning equipment according to claim 2, characterized in that: the lifting platform (2.4) is provided with a through groove, and the through groove is located in the two-way screw (2.5 ) above the positive and negative thread segments.

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