CN103706995A - Automatic feeder used for arc welding - Google Patents

Abstract

The invention relates to an automatic feeder for arc welding, comprising a fixed frame and an overturning platform, the overturning platform is arranged on the fixed frame, and the feature is that: the overturning platform is provided with a bracket panel for fixing workpieces A turning mechanism for adjusting the turning angle of the turning platform is provided above the turning platform, and a motor for driving the rotation of the bracket panel is arranged below the turning platform, and the output shaft of the turning mechanism is perpendicular to the output shaft of the motor. The invention has two degrees of freedom that can make the workpiece can be reversed in both directions and can be continuously rotated forward and reverse, so that the workpiece can be placed in the best welding position, and the workpiece can be automatically and continuously fed. The center of the bracket panel is equipped with the axial positioning of the workpiece installation Holes, thereby greatly improving the installation accuracy, operation accuracy, welding quality and production efficiency of the weld, reducing the labor intensity of workers, and can give full play to the effectiveness of various welding methods.

Description

An automatic feeder for arc welding

technical field

The invention relates to a welding positioner, in particular to an automatic feeder for arc welding.

Background technique

In the field of welding, the welding positioner is classified as a welding auxiliary machine, and the welding positioner is matched with other welding equipment to form a semi-automatic or fully automatic welding machine.

The existing welding positioner only fixes the workpiece to be welded, and cannot adjust the angle of the workpiece to be welded, nor can it rotate the workpiece to be welded. In order to achieve the best welding position during the welding process, it is necessary to adjust the welding position. The position of the equipment, in other words, in the existing welding process, the workpiece to be welded is fixed, and the welding equipment moves. During the welding process, the welding equipment needs to select the best welding position, and the welding equipment is selected during the selection process. On the one hand, the degree of preparation is not high, and on the other hand, it is troublesome and time-consuming, which causes low work efficiency and increases the labor intensity of workers.

In addition, the existing welding positioner is cumbersome to install workpieces to be welded with different diameters, and the concentricity accuracy is not high.

Contents of the invention

In order to overcome the defects of the prior art, the present invention provides an automatic feeder for arc welding. The present invention has two degrees of freedom that can make the workpiece turn over in both directions and rotate continuously forward and reverse, so that the workpiece is in the best position. The welding position can be adjusted, and the workpiece can be automatically and continuously fed, reducing the labor intensity of workers, and can give full play to the effectiveness of various welding methods.

The technical solution of the present invention: an automatic feeder for arc welding, including a fixed frame and a turning table, the turning table is arranged on the fixing frame, and it is characterized in that: the turning table is provided with a The bracket panel is provided with an overturn mechanism for adjusting the overturn angle of the overturn platform above the overturn platform, and a motor for driving the rotation of the bracket panel is provided under the overturn platform, and the output shaft of the overturn mechanism and the output shaft of the motor vertical.

With the above technical scheme, the turning mechanism can turn the turning table over, that is, to adjust the workpiece on the bracket panel, so that the workpiece is in the best welding position, and the motor drives the bracket panel to rotate through the rotating shaft, which is to drive the workpiece to rotate. On the one hand, the work efficiency is improved and the labor intensity of workers is reduced; on the other hand, the structure is simple and the design is reasonable.

Further setting: the center of the bracket panel is provided with an axial positioning hole for workpiece installation, and a positioning pin for positioning the workpiece is provided in the positioning hole, and the axis of the positioning hole, the axis of the positioning pin and the axis of the motor output shaft are all set on the same line.

With the above further configuration, the center of the bracket panel is provided with a workpiece installation axial positioning hole, thereby greatly improving the installation accuracy, running accuracy, welding quality of the weld seam and production efficiency. the

Further setting: the motor is arranged on the other end surface of the turning platform opposite to the bracket panel, the motor is connected to the bracket panel through the transmission shaft and the connecting plate, and the turning platform is provided with a through hole for the transmission shaft to pass through , a bearing and a bearing cover are provided between the transmission shaft and the through hole, a first shoulder step and a second shoulder step are provided in the through hole along the direction of the central axis, and the bearing cover is fixedly connected with the second shoulder step, The bearing is pressed on the first shoulder step through the bearing cover.

With the above-mentioned further arrangement, the installation and disassembly of the arrangement are convenient.

It is further provided that the turning mechanism is connected to the turning platform through an output shaft, and the turning mechanism includes a support member, a worm wheel, a worm screw and a hand wheel for driving the worm screw to rotate, the worm wheel and the worm screw are arranged on the support member, and the worm wheel and the worm screw meshing, one end of the worm is connected with the hand wheel, and the output shaft is arranged on the worm wheel.

With the above further configuration, the advantages of the configuration of the worm gear and the worm screw are that the transmission is stable, the noise is small, the transmission ratio is relatively large, and the most important thing is that it has a self-locking function.

Further setting: the other end surface of the bracket panel opposite to the turning platform is provided with a T-shaped slot, and the T-shaped slot is vertically arranged.

With the above-mentioned further arrangement, on the one hand, this arrangement can be applied to workpieces of different specifications, and on the other hand, it is convenient for the installation and disassembly of the workpieces.

Further setting: the fixed frame includes a bottom plate, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are arranged on the bottom plate at intervals, and the turning platform is arranged on the first vertical plate and the second vertical plate Between the vertical plates, the turning platform is respectively hinged with the first vertical plate and the second vertical plate.

With the above-mentioned further configuration, the configuration is simple and convenient for production and processing.

It is further provided that a support plate extending outward is provided on the other end surface of the second vertical plate opposite to the first vertical plate, a number of reinforcing ribs are provided between the support plate and the second vertical plate, and the turning mechanism is set on the support plate.

With the above-mentioned further arrangement, such arrangement facilitates the installation of the turning mechanism.

Description of drawings

Fig. 1 is the perspective view structural representation of the specific embodiment of the present invention;

Fig. 2 is the assembly front view of the specific embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a turning mechanism of a specific embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the use state of a specific embodiment of the present invention;

Fig. 5 is a schematic structural diagram of an inversion platform according to a specific embodiment of the present invention.

Detailed ways

As shown in Figure 1-5, an automatic feeder for arc welding, including a fixed frame 1 and a turning table 2, the turning table 2 is set on the fixing frame, and the turning table 2 is provided with a bracket for fixing the workpiece The panel 3 is provided with a turning mechanism 4 for adjusting the turning angle of the turning platform 2 above the turning platform 2, and a motor 5 for driving the rotation of the bracket panel 3 is provided below the turning platform 2, and the output shaft of the turning mechanism 4 and the output of the motor 5 The shaft is vertical, and the present invention also includes a switch 51 for controlling the operation of the motor. The motor 5 of the present invention is preferably a variable frequency motor. By adopting the above-mentioned technical scheme, the turning mechanism 4 can make the turning platform 2 turn over in both directions, that is, to adjust the workpiece on the bracket panel 3 , so that the workpiece is in the best welding position, the motor 5 drives the bracket panel 3 to continuously rotate forward and backward, even if the workpiece realizes forward and reverse automatic continuous feeding, this setting improves the work efficiency on the one hand and reduces the work intensity of workers; on the other hand On the one hand, the structure is simple and the design is reasonable.

Further setting: the center of the bracket panel 3 is provided with an axial positioning hole 31 for workpiece installation, and a positioning pin 32 for positioning the workpiece is arranged in the positioning hole 31, the axis of the positioning hole 31, the axis of the positioning pin 32 and the axis of the output shaft of the motor 5 They are all arranged on the same straight line. With the above-mentioned further arrangement, the center of the bracket panel 3 is provided with a workpiece installation axial positioning hole 31, thereby greatly improving the installation accuracy, running accuracy, welding quality of the weld seam and production efficiency. the

Further setting: the motor 5 is arranged on the other end surface of the turning platform 2 relative to the bracket panel 3, the motor 5 is connected with the bracket panel 3 through the transmission shaft 6 and the connecting plate 7, and the turning platform 2 is provided with a shaft for the transmission shaft 6 to pass through. The through hole 21 of the transmission shaft 6 and the through hole 21 is provided with a bearing 8 and a bearing cover 9, and the through hole 21 is provided with a first shoulder step 211 and a second shoulder step 212 along the direction of the central axis. The two shoulder steps 212 are fixedly connected, and the bearing 8 is pressed on the first shoulder step 211 through the bearing cover 9. The transmission shaft 6 and the connecting plate 7 of the present invention are preferably integrally arranged; the connection end of the transmission shaft 6 and the motor output shaft is provided with a flat key, The output shaft of the motor is provided with a keyway matched with the flat key, and the flat key is inserted into the keyway to form the connection between the transmission shaft 6 and the output end of the motor; the bearings are preferably tapered roller bearings, and are preferably fitted in pairs. It can withstand radial loads and can also withstand large bidirectional axial loads.

Further setting: the overturn mechanism 4 is connected with the overturn platform 2 through the output shaft 10, the overturn mechanism 4 includes a support member 41, a worm wheel 42, a worm screw 43 and a hand wheel 44 that drives the worm screw 43 to rotate, and the worm wheel 42 and the worm screw 43 are arranged on the support member 41, the worm wheel 42 is meshed with the worm screw 43, and one end of the worm screw 43 is connected with the hand wheel 44, and the output shaft 10 is arranged on the worm wheel 42. In the present invention, the preferred box body 41 of the support is provided, and the worm wheel 42 and the worm screw 43 are arranged on the box body 41- On the one hand, it is convenient to use lubricating oil for lubrication during use, and on the other hand, it is safer; in order to facilitate the installation of the worm gear 42 and the worm screw 43, the casing 41 is set as a split type, that is, it is divided into an upper casing 411 and a lower casing 412, and the worm gear 42. The advantage of the setting of the worm 43 is that the transmission is stable, the noise is small, the transmission is relatively large, and the most important thing is that there is a self-locking function.

Further setting: the other end surface of the bracket panel 3 opposite to the turning table 2 is provided with a T-shaped groove 33, and the T-shaped groove 33 is vertically placed. With the above-mentioned further setting, the workpiece to be welded is placed on the bracket panel 3 during use, and the workpiece is passed through the pressing plate. a. The positioning block b and the screw c fix the workpiece to be welded on the bracket panel 3, the pressing plate a is pressed on the workpiece to be welded and the positioning block b, the head of the screw c is placed in the T-shaped groove, and the rod of the screw presses the plate a, and fixed with nut d.

Further setting: the fixed frame 1 includes a bottom plate 11, a first vertical plate 12 and a second vertical plate 13, the first vertical plate 12 and the second vertical plate 13 are arranged on the bottom plate 11 at intervals, and the turning platform 2 is arranged on the first vertical plate 12 Between and the second vertical plate 13, the turning table 2 is respectively hinged with the first vertical plate 12 and the second vertical plate 13, and the hinge shaft of the preferred turning platform 2 and the first vertical plate 12 and the second vertical plate 13 is hinged in the present invention It is connected with the output shaft 10, so that the setting structure is simple and convenient for production and processing.

Further setting: the other end surface of the second vertical plate 13 relative to the first vertical plate 12 is provided with an outwardly extending support plate 131, a number of reinforcing ribs 133 are provided between the support plate 131 and the second vertical plate 13, and the turning mechanism 4 It is arranged on the support plate 131, and adopts the above-mentioned further arrangement, which facilitates the installation of the turning mechanism 4 .

The present invention only illustrates some preferred embodiments in this description, and is not limited thereto. According to the concept and spirit of the present invention, the professional and technical personnel can make various structural changes and modifications to be applicable to other arc welding automatic feeders, so these should still belong to the protection scope of the present invention.

Claims (7)

1. An automatic feeder for arc welding, comprising a fixed frame and an overturning table, the overturning table is arranged on the fixed frame, and it is characterized in that: the overturning table is provided with a bracket panel for fixing workpieces, A turning mechanism for adjusting the turning angle of the turning platform is provided above the turning platform, and a motor for driving the rotation of the bracket panel is arranged below the turning platform, and the output shaft of the turning mechanism is perpendicular to the output shaft of the motor. 2. An automatic feeder for arc welding according to claim 1, characterized in that: the center of the bracket panel is provided with an axial positioning hole for workpiece installation, and a positioning hole for positioning the workpiece is provided in the positioning hole. The positioning pin, the axis of the positioning hole, the axis of the positioning pin and the axis of the output shaft of the motor are all arranged on the same straight line. 3. An automatic feeder for arc welding according to claim 2, characterized in that: the motor is arranged on the other end face of the turning table relative to the bracket panel, and the motor passes through the transmission shaft and the connecting plate Connected with the bracket panel, the turning table is provided with a through hole for the transmission shaft to pass through, a bearing and a bearing cover are provided between the transmission shaft and the through hole, and a first shaft is arranged in the through hole along the axis direction. The shoulder step and the second shoulder step, the bearing cover is fixedly connected with the second shoulder step, and the bearing is pressed on the first shoulder step through the bearing cover. 4. An automatic feeder for arc welding according to claim 3, characterized in that: the turning mechanism is connected to the turning platform through an output shaft, and the turning mechanism includes a support, a worm wheel, a worm and a driving worm Rotating hand wheel, the worm wheel and the worm are arranged on the support, the worm meshes with the worm, one end of the worm is connected with the hand wheel, and the output shaft is arranged on the worm wheel. 5. An automatic feeder for arc welding according to claim 4, characterized in that: the other end surface of the bracket panel opposite to the turning table is provided with a T-shaped groove, and the T-shaped groove is vertically arranged. 6. An automatic feeder for arc welding according to claim 5, characterized in that: the fixed frame includes a bottom plate, a first vertical plate and a second vertical plate, and the first vertical plate and the second vertical plate The vertical plates are arranged on the bottom plate at intervals, the turning platform is arranged between the first vertical plate and the second vertical plate, and the turning platform is respectively hinged with the first vertical plate and the second vertical plate. 7. An automatic feeder for arc welding according to claim 6, characterized in that: the other end of the second vertical plate opposite to the first vertical plate is provided with an outwardly extending support plate, so that A number of reinforcing ribs are provided between the support plate and the second vertical plate, and the turning mechanism is arranged on the support plate.

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