CN217513173U - A four-sided welding machine - Google Patents

Abstract

The utility model relates to the technical field of welding equipment, in particular to a four-sided welding machine, which comprises a machine base and two welding devices oppositely arranged at both ends of the machine base. The welding devices comprise: two welding torches, two The torch heads of the welding torches are arranged opposite to each other; the lifting mechanism drives the two welding torches to move up and down; the rotating fixing frame is used to fix the workpiece and drive the workpiece to rotate, and the rotating fixing frame is located between the two welding guns. The utility model has the effect that the workpiece can be welded conveniently and quickly.

Description

A four-sided welding machine

technical field

The utility model relates to the technical field of welding equipment, in particular to a four-sided welding machine.

Background technique

The storage beam is the main component of the current assembled storage rack. Its structure is two kinds of flat square tube and P-shaped cross-section. The two ends of the beam are welded with hanging pieces (column clips) with claws. There are four face welds between the column clip and the beam. Only three sides can be welded, and the existing welding methods are manual welding and robot welding. Manual welding is time-consuming and labor-intensive, and the welding quality between the column clamp and the beam is difficult to control, which directly affects the assembly and quality of the storage shelves in the later stage. In the existing welding equipment on the market, both ends are welded at the same time, but the welding is carried out in the way of welding the workpiece by one shot. The control mechanism and transmission mechanism are complicated, the welding cannot be stable, and the welding efficiency is very low.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a four-sided welding machine, which has the effect of being able to weld workpieces conveniently and quickly.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A four-sided welding machine, comprising a machine base and two welding devices oppositely arranged at both ends of the machine base, the welding devices comprising:

Two welding torches, the torch heads of the two welding torches are arranged oppositely;

a lifting mechanism, which drives the two welding torches to move up and down;

The rotating fixing frame is used for fixing the workpiece and driving the workpiece to rotate, and the rotating fixing frame is located between the two welding torches.

In a preferred example of the present invention, it can be further configured as follows: the four-sided welding machine further includes two workpiece fixing mechanisms, the two workpiece fixing mechanisms are arranged between the two welding devices, and the workpiece fixing mechanisms include workpieces bracket.

In a preferred example of the present invention, it can be further configured as follows: a limiter is provided on the workpiece support.

In a preferred example of the present invention, it can be further configured that: the workpiece fixing mechanism further includes a workpiece fixing frame disposed above the workpiece support, and the workpiece fixing frame includes a fixing piece and a fixing cylinder for driving the fixing piece to move toward the workpiece support .

In a preferred example of the present invention, it can be further configured that: the workpiece fixing mechanism further includes a sliding driving member for driving the workpiece support to slide left and right.

In a preferred example of the present invention, it can be further configured that: the workpiece fixing mechanism further includes a pushing piece for pushing the workpiece away from the workpiece support.

In a preferred example of the present invention, it can be further configured as follows: the welding device further includes a profiling mechanism, and the profiling mechanism includes two profiling heads arranged opposite to each other, each of the profiling heads and the lifting mechanism There is a carrier frame between the two sides, each carrier frame is provided with a sliding block, each sliding block is provided with a profile head and a welding gun, and the sliding block and the carrier frame are slid by a guide rod. connection, the guide rod is provided with a spring, and the spring has a tendency to drive the sliding block to move in the direction of the other sliding block.

In a preferred example of the present invention, a welding driver is provided between the lifting mechanism and each carrier, and the welding driver drives the corresponding carrier to move toward or away from each other.

In a preferred example of the present invention, the lifting mechanism can be further configured as follows: the lifting mechanism includes two connecting arms arranged in parallel, and the two connecting arms are connected by an intermediate arm, and the lifting mechanism further includes driving the intermediate arm to lift and lower. The lifting and lowering driving member, the two connecting arms drive the corresponding welding torch to move up and down under the driving of the lifting and lowering driving member.

In a preferred example of the present invention, it can be further configured that: the rotating fixing frame includes a workpiece frame and a rotary driving member for driving the workpiece frame to rotate.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

In the present application, the eight welding heads of the storage beam are automatically welded at the same time, which greatly improves the work efficiency and welding quality, the equipment is simple and practical, and the production cost of the equipment is greatly reduced.

Description of drawings

1 is a front view of the connection between a column clamp and a storage beam column in an embodiment;

Fig. 2 is the top view of the connection between the column clamp and the storage beam column in the embodiment;

Fig. 3 is the overall structure schematic diagram of the embodiment;

4 is a schematic structural diagram of a welding device in an embodiment;

5 is a schematic diagram of the internal structure of the welding device in the embodiment;

6 is a side view of the internal structure of the welding device in the embodiment;

7 is a schematic diagram for showing the structure of the carrier in the embodiment;

FIG. 8 is a schematic diagram for showing the connection relationship between the connecting arm and the carrier in the embodiment.

In the figure, 1, machine base; 2, welding device; 21, lift mechanism; 211, connecting arm; 212, middle arm; 213, lift frame; 214, lift drive part; 2141, screw rod; 2142, motor; shape mechanism; 221, copying head; 222, runner; 23, wire feeding mechanism; 24, welding torch; 25, carrier frame; 251, sliding block; 252, guide rod; 253, spring; 254, welding driver; 26 , Rotary fixing frame; 261, Workpiece frame; 262, Rotary drive part; 2621, Connecting shaft; 2622, Gear; 2623, Rack; 2624, Air cylinder; 3, Slide rail; 4, Workpiece fixing mechanism; 42. Limiting parts; 43. Sliding drive parts; 44. Workpiece fixing frame; 441. Fixing parts; 442. Fixed cylinder; 45. Pushing parts;

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Example:

1-8, it is a four-sided welding machine disclosed by the utility model, comprising a machine base 1 and two welding devices 2 arranged at opposite ends of the machine base 1, wherein one welding device 2 is fixedly arranged on the machine base 1 , the other welding device 2 is slidably arranged on the machine base 1 through the slide rail 3 arranged on the machine base 1, and the machine base 1 is provided with a welding machine.

The two welding devices 2 have the same structure, and only one welding device 2 will be described in this embodiment. The welding device 2 includes a lifting mechanism 21 and a profiling mechanism 22 arranged on the base. The lifting mechanism 21 includes two connecting arms 211 arranged in parallel, and the two connecting arms 211 are connected by an intermediate arm 212. The lifting mechanism 21 also includes The lift drive member 214 and the vertically arranged lift frame 213 are used to drive the middle arm 212 to rise and fall. The lift drive member 214 includes a vertically arranged screw rod 2141. The screw rod 2141 is driven to rotate by the motor 2142. The arm 212 is slidably connected to the lifting frame 213 along the vertical direction.

The profiling mechanism 22 includes two opposite profiling heads 221 , and the ends of the profiling heads 221 are provided with rotating wheels 222 . The two connecting arms 211 are provided with a receiving frame at one end facing away from the middle arm 212, each carrying frame 25 is provided with a sliding block 251, and each sliding block 251 is provided with a copying head 221 and a welding torch 24. The guide rod 252 is slidably connected between the 251 and the carrier 25 . The guide rod 252 is provided with a spring 253 , and the spring 253 has a tendency to drive the sliding block 251 to move toward another sliding block 251 . A welding driver 254 is provided between the carrier 25 and the corresponding connecting arm 211. The welding driver 254 drives the corresponding carrier 25 to move toward or away from each other. One end of the welding driver 254 is connected to the carrier 25, and the other end is connected to the carrier 25. The arms 211 are connected, and the welding driving member 254 adopts the cylinder 2624 in this embodiment.

In addition, the welding machine device also includes a wire feeding mechanism 23 for automatically supplying welding wire to the welding torch 24 .

The welding machine device further includes a rotating fixing frame 26 for fixing the workpiece and driving the workpiece to rotate, and the rotating fixing frame 26 is located between the two welding torches 24 . The rotating fixing frame 26 includes a workpiece frame 261 and a rotary driving member 262 for driving the workpiece frame 261 to rotate. The rotary driving member 262 includes a connecting shaft 2621 connected with the workpiece frame 261. The connecting shaft 2621 is provided with a gear 2622, and the rotating driving member 262 It also includes a vertical rack 2623, the rack 2623 meshes with the gear 2622, and the top of the rack 2623 is provided with a cylinder 2624 that drives the rack 2623 to move up and down.

The four-sided welding machine further includes two workpiece fixing mechanisms 4, which are arranged between the two welding devices 2, and the workpiece fixing mechanism 4 includes a workpiece support 41. The workpiece support 41 is provided with a limiter 42, the limiter 42 is a vertical plate, which is used to limit the position of the storage beam, so that the storage beam can be placed in a proper position.

The workpiece fixing mechanism 4 also includes a sliding driving member 43 for driving the workpiece support 41 to slide left and right. The sliding driving member 43 adopts a cylinder 2624, and the cylinder 2624 drives the workpiece support 41 to move for supporting the storage beam.

The workpiece fixing mechanism 4 further includes a workpiece fixing frame 44 disposed above the workpiece support 41 . The workpiece fixing frame 44 includes a fixing piece 441 and a fixing cylinder 442 for driving the fixing piece 441 to move toward the workpiece support 41 . The fixed cylinder 442 is arranged in the vertical direction. After the storage beam is placed on the workpiece support 41, the fixed cylinder 442 drives the fixing member 441 to move downward to compress the storage beam.

The workpiece fixing mechanism 4 also includes a pusher 45 for pushing the workpiece away from the workpiece support 41 . After the storage beam welding machine is completed, the pusher 45 pushes the storage beam out of the workpiece support 41 , and the workpiece support 41 uses a cylinder 2624 .

The implementation principle of this embodiment is: during welding, place the two column clamps 5 on the two workpiece racks 261 respectively, place the two ends of the storage beam column 6 on the workpiece rack 41, and pass the limiter 42 and After the sliding driving member 43 adjusts the column clamp 5 and the storage beam column 6 to the appropriate welding position, the fixing cylinder 442 drives the fixing member 441 to move down to press the storage beam, and the two welding driving members 254 drive the two carrying frames 25 respectively. Moving towards each other, the profiling head 221 contacts the storage beam column 6 under the drive of the spring 253, the welding torch 24 is aimed at the connection between the storage beam column 6 and the column clamp 5 for welding, and the lifting mechanism 21 drives the welding torch 24 to move upward for welding, and the welding torch 24 After the completion, the cylinder 2624 drives the rack 2623 to move, the rack 2623 meshes with the gear 2622 to drive the workpiece support 41 to rotate, the workpiece support 41 drives the storage beam column 6 on it to rotate, and the lifting mechanism 21 drives the welding torch 24 to move again. 6. Weld again at the connection with the other side of the column clip 5. After the welding is completed, push the welded storage beam out of the workpiece support 41 through the pusher 45.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (10)

1. A four-sided welding machine, characterized in that it comprises a machine base (1) and two welding devices (2) arranged oppositely at both ends of the machine base (1), the welding devices (2) comprising: two welding torches (24), the torch heads of the two welding torches (24) are arranged opposite to each other; a lifting mechanism (21), the lifting mechanism (21) drives the two welding torches (24) to move up and down; A rotating fixing frame (26) is used for fixing the workpiece and driving the workpiece to rotate, and the rotating fixing frame (26) is located between the two welding torches (24). 2 . The four-sided welding machine according to claim 1 , wherein the four-sided welding machine further comprises two workpiece fixing mechanisms ( 4 ), and the two workpiece fixing mechanisms ( 4 ) are arranged at the two welding positions. 3 . Between the devices (2), the workpiece fixing mechanism (4) includes a workpiece support (41). 3 . The four-sided welding machine according to claim 2 , wherein a limiter ( 42 ) is provided on the workpiece support ( 41 ). 4 . 4. A four-sided welding machine according to claim 2 or 3, characterized in that: the workpiece fixing mechanism (4) further comprises a workpiece fixing frame (44) arranged above the workpiece support (41), the workpiece The fixing frame (44) includes a fixing piece (441) and a fixing cylinder (442) (2624) that drives the fixing piece (441) to move toward the workpiece support (41). 5 . The four-sided welding machine according to claim 4 , wherein the workpiece fixing mechanism ( 4 ) further comprises a sliding driving member ( 43 ) for driving the workpiece support ( 41 ) to slide left and right. 6 . 6 . The four-sided welding machine according to claim 2 , wherein the workpiece fixing mechanism ( 4 ) further comprises a pushing member ( 45 ) for pushing the workpiece away from the workpiece support ( 41 ). 7 . 7 . The four-sided welding machine according to claim 1 , wherein the welding device ( 2 ) further comprises a profiling mechanism ( 22 ), and the profiling mechanism ( 22 ) comprises two profiling mechanisms arranged opposite to each other. 8 . A bearing frame (25) is provided between each of the profiling heads (221) and the lifting mechanism (21), and a sliding block (251) is arranged on each of the bearing frames (25). ), each sliding block (251) is provided with a profiling head (221) and a welding torch (24), the sliding block (251) and the carrier (25) slide through the guide rod (252) connection, the guide rod (252) is provided with a spring (253), and the spring (253) has a tendency to drive the sliding block (251) to move toward the direction of the other sliding block (251). 8 . The four-sided welding machine according to claim 7 , wherein a welding driving member ( 254 ) is provided between the lifting mechanism ( 21 ) and each of the carrying frames ( 25 ). 8 . The welding driver (254) drives the corresponding carriages (25) to move toward or away from each other. 9 . The four-sided welding machine according to claim 4 , wherein the lifting mechanism ( 21 ) comprises two connecting arms ( 211 ) arranged in parallel, and the two connecting arms ( 211 ) pass through the connecting arms ( 211 ). 10 . The middle arm (212) is connected, and the lifting mechanism (21) further includes a lift driving member (214) that drives the middle arm (212) to lift and lower, and the two connecting arms (211) are driven by the lift driving member (214). Drive the corresponding welding torch (24) to move up and down. 10. The four-sided welding machine according to claim 9, characterized in that: the rotating fixing frame (26) comprises a workpiece frame (261) and a rotary driving member (262) for driving the workpiece frame (261) to rotate .

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