CN115846961A - Automatic welding device for steel bar lap joint assembly - Google Patents

Abstract

The utility model provides a reinforcing bar overlap joint is to automatic welding device, including pressing from both sides tight group to frock and automatic welding equipment. The clamping assembly tooling is used for fixing, butting and butting the steel bars and comprises a base, a clamp and a pair of clamping adjusting mechanisms, wherein the pair of clamping adjusting mechanisms are respectively positioned at two sides of the base and used for adjustably clamping the steel bars; the automatic welding equipment comprises an automatic welding track and an automatic welding trolley moving on the automatic welding track, the automatic welding track is arranged above the clamping group assembly tool, and the automatic welding trolley is used for clamping a welding gun to move above the steel bars so as to complete welding of lap joints of the steel bars. Above-mentioned reinforcing bar overlap joint is to automatic welding device can simplify reinforcing bar overlap joint and welding process, uses manpower sparingly, improves automatic welding precision.

Description

Automatic welding device for steel bar lap joint assembly

Technical Field

The invention relates to the field of automatic welding equipment and tools for steel bars, in particular to the field of lapping assembly and automatic welding equipment for the steel bars.

Background

Lap welding of steel reinforcement is a common form of reinforcement connection in concrete structures. When lap welding is carried out, the reinforcing steel bars at the welding end are pre-bent firstly, and the axes of the two overlapped reinforcing steel bars are ensured to be on the same straight line. At present, the method of shielded metal arc welding or gas metal arc welding is mostly adopted for the steel bar lapping, and the method is manual welding. The existing manual welding method has no good tool during lap joint assembly, workers hold reinforcing steel bars to carry out lap joint assembly and carry out tack welding, and then welding of welding seams is completed through manual welding. This kind of mode often need be accomplished by the fitter with the welder cooperation when overlap-joint is right with the tack weld, if accomplish assembly and tack weld by welder alone, the overlap-joint is right with the adjustment degree of difficulty great, especially pour on-the-spot reinforcing bar overlap joint and not be more convenient for operate when the assembly of tack weld position, and welding process can not realize automaticly, intensity of labour is great.

Disclosure of Invention

The invention aims to provide an automatic welding device for steel bar lap joint assembly, which can conveniently finish steel bar clamping assembly, lap joint length adjustment and automatic welding.

The automatic welding device for the steel bar lap joint assembly for achieving the purpose is used for achieving lap joint welding of steel bars and comprises a clamping assembly tool and automatic welding equipment. The clamping assembly tooling is used for fixing, butting and butting the steel bars and comprises a base, a clamp and a pair of clamping adjusting mechanisms, wherein the pair of clamping adjusting mechanisms are respectively positioned at two sides of the base and used for adjustably clamping the steel bars, and the clamp is arranged in the middle of the base and used for fixing the butted steel bars; the automatic welding equipment comprises an automatic welding track and an automatic welding trolley moving on the automatic welding track, wherein the automatic welding track is arranged above the clamping group assembling tool, and the automatic welding trolley is used for clamping a welding gun to move above the steel bars so as to complete welding of lap joints of the steel bars.

In one or more embodiments, the clamping adjustment mechanism includes a clamping fixing plate, a clamping clip, and a transverse adjustment bolt, the clamping fixing plates are disposed opposite to each other to form a chamber for the steel bar to pass through, the clamping clip is disposed in the chamber, the transverse adjustment bolt is disposed on the clamping fixing plate, and one end of the transverse adjustment bolt abuts against the clamping clip to adjust the transverse position of the steel bar.

In one or more embodiments, the clamping adjustment mechanism further includes a longitudinal adjustment block, a longitudinal adjustment bolt disposed on the longitudinal adjustment block, and an adjustment fixing plate in threaded connection with the longitudinal adjustment bolt to adjust a longitudinal position of the longitudinal adjustment block, the clamping clip is connected with the longitudinal adjustment block, the clamping fixing plate further includes a longitudinal slot hole engaged with the transverse adjustment bolt, and the longitudinal adjustment block includes a transverse slot hole engaged with the clamping clip.

In one or more embodiments, the clamp includes a pair of fixing plates, a pair of clips disposed on the pair of fixing plates, and a pair of locking bolts, the fixing plates are disposed on two sides of the base in an opposite manner, the pair of clips are used for clamping the butted steel bars, the locking bolts are in threaded connection with the fixing plates, and the tail portions of the locking bolts are fixedly connected with the pair of clips.

In one or more embodiments, the set of butt-clips includes a curved surface that mates with the rebar.

In one or more embodiments, the automatic welding apparatus includes a pair of connecting rods and a connecting block disposed on the base, the automatic welding rail being carried on the connecting block by the connecting rods.

In one or more embodiments, the automatic welding equipment further comprises an adjusting slider and an adjusting bolt, a sliding groove which extends in the transverse direction and is used for being matched with the adjusting slider is formed in the connecting block, the adjusting slider is connected with the connecting rod, and the adjusting bolt is further in threaded connection with the adjusting slider in the transverse direction so as to drive the adjusting slider to move in the sliding groove through threaded connection.

In one or more embodiments, the connecting rod includes a slot extending in a longitudinal direction, and the slot is used for being matched with the adjusting slide block so as to finely adjust the position of the adjusting slide block.

In one or more embodiments, the adjustment slider is a dovetail block and the slide slot is a dovetail slot.

In one or more embodiments, the automatic welding trolley comprises a clamping part used for being matched with a welding gun, and the welding gun can move up and down in the clamping part.

Above-mentioned reinforcing bar overlap joint is to automatic welding device is through the centre gripping of tight group to the reinforcing bar, and realize the overlap joint location and the group to and to the precision adjustment to the reinforcing bar position through centre gripping guiding mechanism, thereby can single completion reinforcing bar centre gripping group to, the work of overlap joint length adjustment, it can also realize the automatic welding after the reinforcing bar group to be located the automatic welding equipment of tight group to the frock top, need not to carry out the tack weld alone, it is applicable in the parallel welding, horizontal welding, the vertical welding, the welding of a plurality of positions such as overhead welding, effectively improve work efficiency, the welding quality has been guaranteed.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:

fig. 1A and 1B are schematic views of lap double-sided welding.

Fig. 2A and 2B are schematic views of lap single-side welding.

Fig. 3 is a schematic view of an embodiment of an automatic welding device for a steel bar overlapping group.

FIG. 4 is a schematic view of one embodiment of a clamp group pairing tool.

FIG. 5 is a top view of one embodiment of a clamp adjustment mechanism.

FIG. 6 is a front view of one embodiment of a clamp adjustment mechanism.

FIG. 7 is a side view of one embodiment of a clamp adjustment mechanism.

FIG. 8 is a schematic view of one embodiment of a card holder.

FIG. 9 is a schematic view of one embodiment of a clamp.

FIG. 10 is a top view of one embodiment of an automated welding apparatus.

FIG. 11 is a side view of one embodiment of an automated welding apparatus.

Description of symbol mark

1. Clamping assembly tool

2. Automatic welding equipment

3. Reinforcing bar

4. Welding gun

11. Base seat

12. Clamping adjusting mechanism

13. Clamp apparatus

21. Automatic welding trolley

22. Automatic welding track

24. Connecting rod

25. Adjusting bolt

26. Adjusting slide block

27. End fixing plate

28. Sliding chute

29. Connecting block

121. Clamping fixing plate

122. Adjusting fixing plate

123. Clamping clip

124. Transverse adjusting bolt

125. Longitudinal adjusting bolt

127. Transverse slotted hole

128. Longitudinal slotted hole

126. Longitudinal adjusting block

129. Chamber

131. Fixing plate

132. Combined card

133. Locking bolt

134. Cambered surface

210. Clamping part

240. Slotted hole

Detailed Description

The present invention is further described in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from those described herein, and it will be readily appreciated by those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the invention.

It is noted that these and other figures which follow are merely exemplary and not drawn to scale and should not be considered as limiting the scope of the invention as it is actually claimed.

As shown in fig. 1A to 2B, the overlap welding of the reinforcing bars includes overlap double-sided welding and overlap single-sided welding. When lap welding is carried out, the reinforcing steel bars at the welding end are pre-bent firstly, and the axes of the two overlapped reinforcing steel bars are ensured to be on the same straight line. When generally needing overlap welding, weld the end reinforcing bar and carry out the preflex earlier, guarantee that the axis of two lapped reinforcing bars is on same straight line. This method requires at least the cooperation of an assembler and a welder, which is inconvenient.

The automatic welding device for the steel bar lap joint group can realize the work of completing steel bar clamping group, adjusting lap joint length, automatically welding and the like by a single person, is convenient for quickly clamping the steel bar lap joint group, has high assembly group precision, can automatically weld the steel bar lap joint group after group, and does not need to be separately positioned and welded. The device can be suitable for welding in multiple positions such as horizontal welding, transverse welding, vertical welding, overhead welding and the like, and can improve the working efficiency and ensure the welding quality.

Referring to fig. 3 and 4, the automatic welding device for steel bar overlapping group is used for realizing the overlapping welding of a pair of steel bars 3, and comprises a clamping group assembling tool 1 and an automatic welding device 2.

The clamping group is to frock 1 and is used for fixed, butt joint reinforcing bar 3 and butt joint, including base 11, anchor clamps 13 and a pair of centre gripping guiding mechanism 12, a pair of centre gripping guiding mechanism 12 is located the both sides of base 11 respectively for adjustable centre gripping reinforcing bar 3, anchor clamps 13 set up in base 11 middle part, are used for fixed butt joint reinforcing bar 3 after accomplishing. Automatic welding equipment 2 includes automatic welding track 22 and the automatic dolly 21 that welds that moves on automatic welding track 22, and automatic welding track 22 sets up in the tight group of clamp and to frock 1 top, and automatic dolly 21 that welds is used for the centre gripping welder to move in reinforcing bar 3 top, and then accomplish the welding of reinforcing bar overlap joint.

Namely, when the lap joint group is paired, the clamp group is firstly used for completing the lap joint and the group joint of the steel bar 3 by the tool 1, then the parallelism between the automatic welding trolley track of the automatic welding equipment 2 and the welding line is adjusted, and finally the welding is completed.

The clamping group assembly tool 1 is used for clamping, lapping and positioning the reinforcing steel bars, and adjusting the assembly precision. One embodiment of the clamp adjustment mechanism 12 is illustrated with reference to fig. 4-7, the clamp adjustment mechanism 12 including

A clamping fixing plate 121, clamping clips 123 and a transverse adjusting bolt 124, wherein the clamping fixing plates 121 are oppositely arranged in 5 pairs to form a chamber 129 for the reinforcing steel bar 3 to pass through, the clamping clips 123 are arranged in the chamber 129, and the transverse adjusting bolt 124

The adjusting bolt 124 is disposed on the clamping fixing plate 121, and one end of the adjusting bolt abuts against the clamping clip 123, so as to adjust the transverse position of the steel bar 3.

Specifically, the longitudinal direction is defined as the X-axis direction shown in fig. 3, and the longitudinal direction is opposite to the axial direction of the reinforcing bars

The same is carried out; the Y-axis direction is defined as the transverse direction, and the transverse direction is orthogonal to the longitudinal direction. The two clamping fixing plates 121 are oppositely disposed on the base 110. When the steel bars are lapped and paired, the steel bars 3 are placed into the cavity 129 and the clamping jaws of the clamping clamps 123, and the positions of the steel bars are preliminarily adjusted and then screwed down through the transverse adjusting bolts 124.

Further, the clamping adjustment mechanism 12 further comprises a longitudinal adjustment block 126, a longitudinal adjustment bolt 125 disposed on the longitudinal adjustment block 126, and an adjustment fixing plate 122 threadedly coupled to the longitudinal adjustment bolt 125,

to adjust the longitudinal position of the longitudinal adjustment block 126, the clamping card 123 is coupled to the longitudinal adjustment block 126. The holding 5 fixing plate 121 further comprises a longitudinal slot 128 engaged with the transverse adjusting bolt 124, and a longitudinal adjusting block 126

Including transverse slots 127 that mate with the retaining clips 123.

Specifically, as shown in fig. 8, the clip 123 includes a first connecting member 1231 and a second connecting member 1232, the first connecting member 1231 is used for cooperating with the transverse slot 127, and the second connecting member 1232 is used for cooperating with the longitudinal slot 127

The clamping clip 123 is matched with the slot hole 128, thereby connecting the clamping fixing plate 121 and the longitudinal adjusting block 126. A pair of clamping fixing plates 121 are connected to the 0-adjustment fixing plate 122 in the Y direction, and a longitudinal adjustment bolt 125 penetrates

The fixing plate 122 is adjusted and then connected to the longitudinal adjusting block 126. Thus, the clamp adjustment mechanism 12 can achieve dual adjustment of the reinforcement bar 3 in both the lateral and longitudinal positions.

When two steel bars to be lapped and paired meet the initial pairing requirement, adjusting the longitudinal adjusting bolt

125, the longitudinal assembly position of the reinforcing steel bars 3 in the X direction is precisely adjusted to ensure that the length of the lap joint 5 of the reinforcing steel bars meets the requirement. After the lapping is completed, the clamp 13 is matched for pairing and locking.

Referring to fig. 9, the clamp 13 includes a pair of fixing plates 131, a pair of pairs of clips 132 disposed on the pair of fixing plates 131, and a pair of locking bolts 133, the fixing plates 131 are respectively disposed on both sides of the base 11 in an opposite manner, the pairs of clips 132 are used for clamping the butted reinforcing bars 3, the locking bolts 133 are screwed with the fixing plates 131, and the tail portions of the locking bolts are fixedly connected with the pairs of clips 132. After the lap joint position of the reinforcing bars meets the requirements, the locking bolt 133 is screwed down to complete the fixation of the relative position between the pair of reinforcing bars 3.

The pair of clips 132 include curved surfaces 134 that engage the bars 5 to avoid interference with the bar surfaces and to provide a more secure gripping of the curved surfaces.

The automatic welding apparatus 2, shown with reference to fig. 10 and 11, includes a pair of connecting rods 24 and a connecting block 29, the connecting block 29 being provided on the base 11, and the automatic welding rails 22 being carried on the connecting block 29 by the connecting rods 24.

The automatic welding equipment 2 further comprises an adjusting slide block 26 and an adjusting bolt 25, a sliding groove 28 which extends along the transverse direction and is used for being matched with the adjusting slide block 26 is formed in the connecting block 29, the adjusting slide block 26 is connected with the connecting rod 24, and the adjusting bolt 25 is further in threaded connection with the adjusting slide block 26 in the transverse direction so as to drive the adjusting slide block 26 to move in the sliding groove 28 through threaded connection. The end of the slide groove 28 of the connecting block 29 further comprises an end fixing plate 27, and the end fixing plate 27 is in threaded connection with the adjusting bolt 25.

That is, the tail end of the adjusting bolt 25 is connected with the adjusting slider 26 by a screw thread, and the position of the adjusting slider 26 in the sliding groove 28 is adjusted by the screw thread rotation.

Specifically, the automatic welding equipment 2 fixes the automatic welding trolley 21 and the automatic welding track 22 on the base 11 of the clamping assembly fixture through two connecting rods 24 and four adjusting sliders 26. By adjusting the adjusting bolt 25 on the adjusting slide block 26, the angle of the automatic welding track 22 and the clamping group to the central line of the tool 1 can be adjusted, and the parallelism of the track and the welding line during welding is ensured. During welding, the automatic welding trolley 21 is connected with the walking control system, the welding gun is connected with the gas metal arc welding machine, and the welding trolley drives the welding gun to walk to weld.

The connecting rod 24 includes a slot 240 extending in the longitudinal direction, and the slot 240 is used to cooperate with the adjusting slide 26 to finely adjust the position of the adjusting slide 26, and thus the position of the automatic welding carriage 21, so as to ensure that the welding position is aligned with the butt joint of the steel bars.

Preferably, the adjustment slide 26 is a dovetail block and the slide 28 is a dovetail slot to achieve a snug fit. The adjusting bolts 25 are preferably provided on two connecting blocks 29 diagonally distributed as shown in fig. 10 to symmetrically adjust the position of the automatic welding apparatus.

The automatic welding trolley 21 further comprises a clamping portion 210 used for being matched with the welding gun 4, and the welding gun 4 can move up and down in the clamping portion 210, namely move along the Z-axis direction. Therefore, the welding gun 4 can move and adjust in the X-axis direction, the Y-axis direction and the Z-axis direction in three dimensions, and the accuracy of the welding position is guaranteed.

In addition, the base 11 and the clamp 13 may be provided with a measuring scale for reference.

Above-mentioned reinforcing bar overlap joint is to automatic welding device is single just can accomplish reinforcing bar centre gripping group to, overlap joint length adjustment and automatic weld weldment work, has reduced tack welding construction steps and personnel input, through the three-dimensional regulation of a plurality of adjusting part in X axle direction, Y axle direction and Z axle direction, has effectually improved work efficiency and butt joint precision, has guaranteed welding quality.

The concrete operation process of the automatic welding device will be described below with respect to the steel bar overlapping group.

Firstly, according to the diameter of the steel bar 3 to be welded, the transverse adjusting bolt 124 on the clamping group assembly 1 is loosened, the steel bar 3 to be welded passes through the clamping clamp 123, the end position of the steel bar 3 to be welded is placed on the group pair clamp 132 of the clamp 13, the transverse adjusting bolt 124 is screwed, and the steel bar to be welded is preliminarily fixed.

Subsequently, the longitudinal adjusting bolt 125 on the clamping adjusting mechanism 12 is screwed, and the intersecting size of the steel bars to be welded is adjusted according to the welding size of the steel bars 3 to be welded.

After the size is determined, the pair of locking bolts 133 on the fixture 13 is screwed until the end of the butt joint of the steel bars to be welded is fixed.

And then, fixing the automatic welding trolley 21 and the automatic welding track 22 on a connecting block 29 on the base 11 through a dovetail groove adjusting slide block to finish the primary building of the automatic welding equipment 2.

An adjusting bolt 25 at the end part of an adjusting slide block 26 is screwed, and the angle between the automatic welding track 22 and the central line of the base 11 is adjusted through the adjusting slide block 26, so that the automatic welding track 22 is parallel to the steel bar 3 to be welded.

And starting a power supply of the automatic welding trolley 21, adjusting the position of the welding gun 4 by moving on the automatic welding track 22, moving the position of the welding gun 4 to the position of the butt joint of the steel bars to be welded, and starting the welding machine. And stopping welding after the welding gun 4 travels to the end part at the other end of the steel bar to be welded.

It should be noted that the above description uses the terms "first", "second", etc. to define the components, which are only used to distinguish the corresponding components, and the terms have no special meaning if not stated, and therefore, should not be construed as limiting the scope of the present application.

Also, this application uses specific language to describe embodiments of the application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means a feature, structure, or characteristic described in connection with at least one embodiment of the application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.

Although the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention, and variations and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. Therefore, any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are within the scope of the present invention defined by the claims.

Claims (10)

1. Reinforcing bar overlap joint group is to automatic welding device for realize the overlap joint of reinforcing bar (3) and weld, its characterized in that includes:

the clamping group assembling tool (1) is used for fixing, butting and butting the steel bars (3) and comprises a base (11), a clamp (13) and a pair of clamping adjusting mechanisms (12), the clamping adjusting mechanisms (12) are respectively located on two sides of the base (11) and used for adjustably clamping the steel bars (3), and the clamp (13) is arranged in the middle of the base (11) and used for fixing the butted steel bars (3);

automatic welding equipment (2) including automatic welding track (22) and automatic welding dolly (21) of moving on automatic welding track (22), automatic welding track (22) set up press from both sides tight group to frock (1) top, automatic welding dolly (21) are used for centre gripping welder, with reinforcing bar (3) top is removed, and then accomplishes the welding of reinforcing bar overlap joint.

2. The automatic welding device for the steel bar lap joint group according to claim 1, wherein the clamping adjustment mechanism (12) comprises a clamping fixing plate (121), a clamping clip (123) and a transverse adjustment bolt (124), the clamping fixing plate (121) is arranged oppositely to form a chamber (129) for the steel bar (3) to pass through, the clamping clip (123) is arranged in the chamber (129), the transverse adjustment bolt (124) is arranged on the clamping fixing plate (121), and one end of the transverse adjustment bolt abuts against the clamping clip (123) to adjust the transverse position of the steel bar (3).

3. The automatic welding device for the steel bar overlapping group according to claim 2, wherein the clamping adjusting mechanism (12) further comprises a longitudinal adjusting block (126), a longitudinal adjusting bolt (125) arranged on the longitudinal adjusting block (126), and an adjusting fixing plate (122) in threaded connection with the longitudinal adjusting bolt (125) to adjust the longitudinal position of the longitudinal adjusting block (126), the clamping block (126) is connected with the longitudinal adjusting block (126),

the clamping fixing plate (121) further comprises a longitudinal slot (128) matched with the transverse adjusting bolt (124), and the longitudinal adjusting block (126) comprises a transverse slot (127) matched with the clamping clamp (123).

4. The automatic welding device for the steel bar lapping group assembly according to claim 1, wherein the clamp (13) comprises a pair of fixing plates (131), a pair of clamps (132) arranged on the pair of fixing plates (131), and a pair of locking bolts (133), the fixing plates (131) are respectively arranged on two sides of the base (11) in an opposite manner, the pair of clamps (132) are used for clamping the steel bars (3) after butt joint, the locking bolts (133) are in threaded connection with the fixing plates (131), and the tail parts of the locking bolts are fixedly connected with the pair of clamps (132).

5. The automatic welding device for the steel bar overlapping group according to claim 4, characterized in that the group aligning card (132) comprises an arc surface (134) matched with the steel bar (3).

6. The reinforcement lap joint pair automatic welding device according to claim 1, wherein said automatic welding equipment comprises a pair of connecting rods (24) and a connecting block (29), said connecting block (29) being provided on said base (11), said automatic welding rail (22) being carried on said connecting block (29) through said connecting rods (24).

7. The automatic welding device for the steel bar lap joint group according to claim 6, characterized in that said automatic welding equipment further comprises an adjusting slider (26) and an adjusting bolt (25), said connecting block (29) comprises a sliding slot (28) extending along the transverse direction for cooperating with said adjusting slider (26), said adjusting slider (26) is connected with said connecting rod (24), said adjusting bolt (25) is further in threaded connection with said adjusting slider (26) in the transverse direction, so as to drive said adjusting slider (26) to move in said sliding slot (28) by virtue of the threaded connection.

8. The reinforcement bar butt automatic welding device according to claim 7, wherein the connecting rod (24) includes a slot (240) extending in a longitudinal direction, the slot (240) being adapted to cooperate with the adjustment slider (26) to finely adjust a position of the adjustment slider (26).

9. The automatic welding device for the steel bar lapping group according to claim 7, characterized in that the adjusting slide block (26) is a dovetail block, and the slide groove (28) is a dovetail groove.

10. The automatic welding device for the steel bar lap joint group as recited in claim 1, wherein the automatic welding trolley (21) comprises a clamping portion (210) for matching with a welding gun (4), and the welding gun (4) can move up and down in the clamping portion (210).

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