CN101396762B - Electrode control mechanism of automatic welding machine - Google Patents

Abstract

The invention discloses an electrode adjusting mechanism of an automatic welding machine, the electrode adjusting mechanism comprises upright posts, a sliding plate installed on the upright posts, and a welding air cylinder; the sliding plate is movably assembled and fixed among the upright posts; the sliding plate is articulated with an air cylinder fixed plate; the air cylinder fixed plate is fixed with the welding air cylinder; the welding air cylinder is installed on the air cylinder fixed plate at one side facing a work table, one end of the welding air cylinder is installed at the other side of the air cylinder fixed plate; the air cylinder fixed plate is provided with a rotating mechanism; the lower part of the sliding part is provided with a travel mechanism of the sliding part. The electrode adjusting mechanism has the following beneficial effects: the sliding plate has high assembly accuracy with dovetail guides of the upright posts, thus having good coordination effect; the sliding plate at up and down positions is adjusted without a hoisting jack and can be conveniently adjusted by general tools, and the design for adjusting the up-and-down of the sliding plate is reasonable. The welding air cylinder is fixed on the air cylinder fixed plate, and the angle is freely adjusted along with the air cylinder fixed plate, thus being suitable for welding reinforcing steel bars with various shapes and structures.

Description

Electrode adjustment mechanism of automatic welding machine

technical field

The invention relates to an automatic welding machine, in particular to an electrode adjustment mechanism of the automatic welding machine.

Background technique

At present, in the construction of construction, railway and other industries, in order to increase the bonding strength of concrete, according to design requirements, it is necessary to weld steel bars into trusses with different cross-sections and pre-embed them in concrete. The cross-sections of the steel trusses are generally triangular, square, rhombus, etc. shape. The steel bar truss automatic welding machine in the prior art can complete the welding of the above-mentioned various shapes of steel bars.

The prior art steel bar truss automatic welding machine is provided with an electrode adjustment mechanism, which adjusts the position and angle of the welding electrode according to the shape and position of the steel bar truss.

The structure of the electrode adjustment mechanism in the prior art includes: a column, a slide plate, a welding cylinder equipped with electrodes, a pressure plate and a jack; the four columns are parallel to each other and symmetrically arranged on both sides of the workbench, and the two columns on each side of the workbench There is a set distance between them and the plates are fixed vertically at the same time, and right-angle guide rails are arranged on the outside of the two columns on each side of the workbench; the two slides are symmetrically installed between the two columns on both sides of the workbench, The guide rail groove is slidably fitted on the right-angle guide rails of the two columns; the welded cylinder penetrates and is fixed in the installation hole in the middle of the slide plate, and moves up and down along the column along with the slide plate; the pressure plate is set on the slide plate, and the fasteners penetrate through the pressure plate Secure the skateboard to the rail. The jack is installed on the fixed plate at the bottom of the column, the top of the jack is equipped with a Y-shaped seat, the middle position of the bottom back of the slide plate is equipped with a jack connecting plate, and the connector connects the jack connecting plate and the Y-shaped seat together.

In the above-mentioned prior art, when the position of the electrode needs to be adjusted, the fasteners of the pressure plate are loosened, and the adjustment jack pushes the Y-shaped seat and the jack connecting plate to drive the slide plate to move; when the electrodes are adjusted to a proper position, the fasteners of the pressure plate are tightened for welding.

The slider adjustment mechanism in the above-mentioned prior art has the following defects: the assembly of the slider and the column guide rail is relatively cumbersome; the adjustment of the slider must first loosen the pressure plate, which is inconvenient to adjust; The jack needs to be adjusted to push the Y-shaped seat, and the jack connecting plate drives the slide to move, and the structure is complex.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the above-mentioned technologies, and provide an electrode adjustment mechanism of an automatic welding machine that is easy to assemble with a slide plate and a column guide rail, has high matching precision and is inconvenient to adjust, and the welding cylinder can rotate to facilitate angle adjustment.

The technical solution to solve the above technical problems is: an electrode adjustment mechanism of an automatic welding machine, the electrode adjustment mechanism is symmetrically arranged on both sides of the automatic welding machine workbench, and the electrode adjustment mechanism includes: a vertical column; assembled on the column The upper slide plate; the welding cylinder equipped with the upper electrode, the slide plate is slidably assembled and fixed between the two columns on each side of the workbench; the cylinder fixing plate is supported and hinged on the slide plate; the cylinder fixing plate is fixed and welded Cylinder; one end of the welding cylinder equipped with electrodes is set on the side of the cylinder fixing plate facing the workbench, and one end of the welding cylinder body penetrates the slide plate and is set on the other side of the cylinder fixing plate; Rotation mechanism; the lower part of the slide plate is provided with a slide plate moving mechanism to move up and down along the column.

The beneficial effects of the present invention are: the present invention overcomes the defects of the prior art, the assembly precision of the slide plate and the dovetail guide rail of the column is high, and the matching effect is good; the adjustment of the upper and lower positions of the slide plate does not need the help of a jack tool, and the adjustment can be conveniently made with ordinary tools to adjust the slide plate up and down The adjustment design is reasonable. The welding cylinder of the invention is fixed on the cylinder fixing plate, and the angle can be adjusted freely along with the cylinder fixing plate, and is suitable for welding steel bars of various shapes and structures.

Description of drawings

Figure 1 is a front view of the electrode adjustment mechanism facing the side of the workbench;

Fig. 2 is the back view of Fig. 1;

Fig. 3 is A-A sectional view among Fig. 1;

Fig. 4 is a B-B sectional view.

Explanation of serial numbers in the attached drawings:

1: fixed plate; 2: slide plate inner hole; 3: column; 5: welding cylinder; 6: piston rod; 11: upper electrode; 14: slide plate; 15: cylinder fixed plate; 40: rotating mechanism; 41: fixed corner plate ;42: Mobile corner plate; 43: Angle adjustment bolt; 44: Trunnion; 45: Support arm; 46: Long hole 47: Arc hole; 50: Skateboard moving mechanism; 2 sliding plate mobile frame; 53: adjusting screw; 54, 55: nuts.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

It should be noted that the drawings only show the column on one side of the workbench and the electrode adjustment mechanism arranged on the column. The electrode adjustment mechanism on the other side of the workbench has the same structure as the electrode adjustment mechanism shown in the attached figure, and its position is symmetrical. Now only the electrode adjustment mechanism on one side of the workbench will be described.

Fig. 1 is a front view of the electrode adjustment mechanism facing the workbench; Fig. 2 is a rear view of Fig. 1; Fig. 3 is a sectional view of A-A in Fig. 1; Fig. 4 is a sectional view of B-B.

The present invention provides an electrode adjustment mechanism of an automatic welding machine. The electrode adjustment mechanism is symmetrically arranged on both sides of the automatic welding machine workbench (not shown in the figure). The electrode adjustment mechanism includes: a vertical column 3; assembled on the column The slide plate 14 on 3; The welding cylinder 5 that upper electrode 11 is housed. Each side of the workbench is respectively provided with two parallel columns 3, and the two columns are vertically arranged with a set distance therebetween.

The slide plate 14 is slidably assembled and fixed between the two columns 3 on each side of the workbench; a cylinder fixing plate 15 is supported and hinged on the slide plate 14; the welding cylinder 5 is fixed on the cylinder fixing plate 15; the welding cylinder 5 is installed One end with the upper electrode 11 is arranged on the side of the cylinder fixed plate 15 facing the workbench, and one end of the welded cylinder 5 cylinder body passes through the slide plate hole 2 on the slide plate 14 and is arranged on the other side of the cylinder fixed plate 15; 15 is provided with a rotating mechanism 40 to make it rotate; the lower part of the slider 14 is provided with a slider moving mechanism 50 to move up and down along the column 3 .

As shown in Figure 4, a dovetail fit is adopted between the slide plate 14 and the column 3; a plurality of screw holes 48 are arranged on the column 3, and the fasteners on the slide plate 14 fix the slide plate 14 on any position of the column 3 .

As shown in Fig. 3 and Fig. 4, protruding support arms 45 are provided at symmetrical positions on both sides of the slide plate 14, through holes are provided on the support arms 45, and the trunnions 44 on both sides of the cylinder fixing plate 15 are hinged on the support Arm 45 through hole.

As shown in Fig. 2 and Fig. 3, the slider moving mechanism 50 provided at the bottom of the slider 14 includes: a first slider moving frame 51 and a second slider moving frame 52 with a right-angled cross section, an adjusting screw 53 and a locking nut; One surface of the first slide plate mobile frame 51 is fixed on the lower middle part of the side surface of the slide plate 14, the other surface of the first slide plate mobile frame 51 is vertical to the side surface of the slide plate 14, and the other surface of the first slide plate mobile frame 51 is provided with a hole.

One side of the 2nd slide plate mobile frame 52 is fixed on the middle part of the fixed plate 1 between the two columns 3, the other side of the 2nd slide plate mobile frame 52 is vertical to the fixed plate 1, and the other side of the 2nd slide plate mobile frame 52 is provided with Screw hole; one end of the adjusting screw 53 fits in the screw hole on the other side of the second slide plate moving frame 52, and the other end of the adjusting screw 53 supports and passes through the stepped hole on the other side of the first slide plate moving frame 51 and is fastened by a nut 55 On the other side of the 1st slide plate moving frame 51.

Adjusting screw rod 53 is fastened on the other side of 2nd slide plate moving frame 52 by nut 54 after fitting the screw hole on the other side of the 2nd slide plate moving frame 52.

As shown in FIG. 3 , the rotating mechanism 40 includes: a fixed corner plate 41 , a movable corner plate 42 , and an angle adjusting bolt 43 .

The bottom of the fixed corner plate 41 is vertically fixed on the side of the slide plate 14 on the same side as the welding cylinder 5, and the side of the fixed corner plate 41 is provided with an arc hole 47 formed in the vertical direction.

The bottom of the moving corner plate 42 is vertically fixed on the other side of the cylinder fixed plate 15, the side of the moving corner plate 42 is adjacent to the side of the fixed corner plate 41, and the side of the moving corner plate 42 is provided with a long hole 46 formed in the horizontal direction. The angle adjusting bolt 43 passes through the arc hole 47 and the elongated hole 46 at the same time to lock the fixed corner plate 41 and the movable corner plate 42 into one body.

Two welding cylinders 5 are fixed on the cylinder fixing plate 15 ; the rotating mechanism 40 is arranged on the other side of the cylinder fixing plate 15 between the two welding cylinders 5 .

The action process of the rotating mechanism 40 of the present invention is described below:

First loosen the angle adjustment bolt 43 to loosen between the movable corner plate 42 and the fixed corner plate 41, manually move the corner plate 42 to move along the arc hole 47 on the fixed corner plate 41, and fix it with the fixed cylinder of the mobile corner plate 42 The plate 15 rotates around the trunnions 44 on both sides of the cylinder fixing plate 15, and the welding cylinder 5 fixed on the cylinder fixing plate 15 drives the upper electrode 11 at its end to rotate thereupon.

The adjustment process of the slide plate moving mechanism 50 of the present invention is described below:

First loosen the nut 55 on the other side of the first slide plate moving frame 51 and the nut 54 on the other side of the second slide plate moving frame 52, turn the upper adjusting screw rod 53 to move up and down, and the adjusting screw rod 53 drives the slide plate 14 on both sides. Move up and down between the root columns 3.

Claims (6)

1. the electrode regulating mechanism of an automatic welding machine, described electrode regulating mechanism is symmetricly set on automatic welding machine workbench both sides, and described electrode regulating mechanism comprises: vertically disposed column (3); Be assemblied in the slide plate (14) on the column (3); The weld cylinder (5) of top electrode (11) is housed, it is characterized in that, described slide plate (14) slidable fit also is fixed between two root posts (3) of the every side of workbench; In slide plate (14) upper support and be hinged with air cylinder fixed plate (15); Described air cylinder fixed plate (15) goes up fixedly weld cylinder (5); The end that weld cylinder (5) is equipped with top electrode is arranged on the side of air cylinder fixed plate (15) towards workbench, and an end of weld cylinder (5) cylinder body runs through the opposite side that slide plate (14) is arranged on air cylinder fixed plate (15); Air cylinder fixed plate (15) is provided with the rotating mechanism (40) that makes its rotation; Described slide plate (14) bottom is provided with and makes it along slide plate travel mechanism (50) that column (3) moves up and down.

2. according to the electrode regulating mechanism of the automatic welding machine described in the claim 1, it is characterized in that, adopt dovetail type to cooperate between described slide plate (14) and the column (3); Column (3) is provided with a plurality of screws (48), and the securing member on the slide plate (14) is fixed on the column (3).

3. according to the electrode regulating mechanism of the automatic welding machine described in the claim 1, it is characterized in that, be provided with the support arm (45) of protrusion in described slide plate (14) bilateral symmetry position, support arm (45) is provided with through hole, and the gudgeon (44) of air cylinder fixed plate (15) both sides is hinged in support arm (45) through hole.

4. according to the electrode regulating mechanism of the automatic welding machine described in the claim 1, it is characterized in that the slide plate travel mechanism (50) that described slide plate bottom is provided with comprising: cross section is the 1st slide plate movable stand (51) and the 2nd slide plate movable stand (52), adjusting screw(rod) (53) and the locking nut of square; (51) faces of described the 1st slide plate movable stand are fixed under slide plate (14) side middle part, another face vertical slide (14) side of the 1st slide plate movable stand (51) and be provided with porose; (52) sides of described the 2nd slide plate movable stand are fixed on the middle part of fixed head (1) between two root posts (3), another lateral vertical fixed head (1) of the 2nd slide plate movable stand (52) and be provided with screw; Adjusting screw(rod) (53) one ends are fitted in the screw of the 2nd another face of slide plate movable stand (52), adjusting screw(rod) (53) other end support and run through the hole of the 1st another face of slide plate movable stand (51) after be fastened on the 1st another face of slide plate movable stand (51).

5. according to the electrode regulating mechanism of the automatic welding machine described in the claim 1, it is characterized in that described rotating mechanism (40) comprising: fixedly rotary corner plate (41), mobile rotary corner plate (42), angle adjustable bolt (43); Described fixedly rotary corner plate (41) bottom vertical is fixed on the slide plate side with weld cylinder (5) cylinder body the same side, and fixedly rotary corner plate (41) side is provided with the vertically circular hole (47) of formation; Described mobile rotary corner plate (42) bottom vertical is fixed on the opposite side of air cylinder fixed plate (15), and mobile rotary corner plate (42) side adjacency is the side of rotary corner plate (41) fixedly, and mobile rotary corner plate (42) side is provided with the slotted hole (46) that along continuous straight runs forms; Angle adjustable bolt (43) runs through behind circular hole (47) and the slotted hole (46) fixedly simultaneously, and rotary corner plate (41) and mobile rotary corner plate (42) locking are one.

6. according to the electrode regulating mechanism of the automatic welding machine described in the claim 1, it is characterized in that, fix two weld cylinder (5) on the described air cylinder fixed plate (15); Described rotating mechanism (40) is arranged on the opposite side of two weld cylinder (5) middle cylinders fixed heads (15).

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