CN215543992U - Rotary bending device for elbow pipe on railing of tower crane - Google Patents

Abstract

The utility model discloses a rotary bending device for bent pipes on railings on a tower crane, which comprises an automatic conveying mechanism, a quantitative conveying and measuring mechanism and a bending mechanism, wherein the automatic conveying mechanism is arranged on one side of the bending mechanism; the shape of the bent pipe after being bent is ensured, and the bent pipe does not need to be moved when being bent, so that the labor intensity and the operation difficulty of workers are reduced.

Description

Rotary bending device for elbow pipe on railing of tower crane

Technical Field

The utility model relates to the field of tower crane railing processing equipment, in particular to a rotary bending device for an upper elbow pipe of a railing on a tower crane.

Background

The bent pipes on the tower crane railing are bent for four times through the bending machine to form a rectangular frame with notches, when the bent pipes are bent, manual operation is needed, and meanwhile, the distance between every two bent pipes is strictly controlled (when the moving distance between every two bent pipes is different, the bent pipes are asymmetric), so that when the bent pipes are bent, the working requirements of workers are high, and meanwhile, when the bent pipes are bent for a long time, the labor intensity of the workers is high;

Meanwhile, when bending is carried out, the bending machine does not need to be operated manually, the bent pipe also needs to be moved, the operation of workers is complex and tedious, the labor intensity of the workers is high, the bent pipe is moved after bending for next bending, the moving distance is important, and if the moving distance has large difference, the bent pipe cannot be clamped into a welding die.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the rotary bending device for the elbow pipe on the guardrail on the tower crane, the elbow pipe is moved in an automatic feeding mode, so that the conveying distance of the elbow pipe at each time is ensured, the shape of the bent elbow pipe after being bent is ensured, meanwhile, manual operation is not needed, and in the whole elbow pipe forming process, only manual feeding and discharging are needed, so that the labor intensity of workers is reduced.

In order to achieve the purpose, the scheme of the utility model is as follows: a rotary bending device for bent pipes on railings on a tower crane comprises an automatic conveying mechanism, a quantitative conveying and measuring mechanism and a bending mechanism, wherein the automatic conveying mechanism is arranged on one side of the bending mechanism, a clamping head for clamping the end part of each bent pipe is arranged on the automatic conveying mechanism, a sliding seat is arranged on the automatic conveying mechanism and is fixed with the clamping head, so that the clamping head moves along with the sliding seat, the quantitative output and measuring mechanism is arranged on one side of the automatic conveying mechanism, and the movement distance of each layer of sliding seats is controlled through the quantitative output and measuring mechanism, so that the bent pipe is guaranteed to be bent; the bending mechanism is the bending machine on the market at present, and the switch of the bending machine is connected with the quantitative conveying and measuring mechanism.

Preferably, the automatic conveying mechanism comprises a sliding groove, a rail and a conveying groove, the sliding groove is an arc groove body, the rails parallel to the sliding groove are arranged on two sides of the sliding groove, the sliding seat and the rails are driven by a linear motor, a locking assembly is arranged between the sliding seat and the rails, the sliding seat is locked on the rails by the locking assembly, and the conveying groove for placing the bent pipe is arranged on the sliding groove; the clamping head is a mechanical arm and is fixed on the sliding seat, and the clamping head clamps one end of the bent pipe.

Preferably, the quantitative output measuring mechanism comprises a sliding rod, a plurality of adjusting sleeves and a travel switch, the sliding rod parallel to the sliding groove is fixed on one side of the sliding groove, scales are arranged on the sliding rod, the sliding rod is sleeved with the adjusting sleeves, a locking bolt penetrates through each adjusting sleeve and abuts against the sliding rod, the travel switch facing the sliding seat is fixed on each adjusting sleeve, a proximity switch is arranged on the sliding seat, when the proximity switch is opposite to the travel switch, the bending machine starts to bend the bent pipe, and the distance between every two travel switches is the distance for moving the bent pipe by the sliding seat at each time.

Compared with the prior art, the utility model has the advantages that: 1. the distance that the return bend was carried is injectd through a plurality of travel switch, removes the return bend through automatic mode like this, guarantees the shape after the return bend is bent, need not to remove the return bend when bending simultaneously, reduces staff's intensity of labour and the operation degree of difficulty like this.

Drawings

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

Fig. 2 is a schematic view of the automatic conveying mechanism of the present invention.

The automatic conveying device comprises an automatic conveying mechanism 1.1, a sliding groove 1.2, a rail 1.3, a conveying groove 1.4, a clamping head 1.5, a moving seat 1.6, a locking assembly 2, a quantitative conveying and measuring mechanism 2.1, a sliding rod 2.2, an adjusting sleeve 2.3, a locking bolt 2.4, a travel switch 2.5, a proximity switch 3 and a bending mechanism.

Detailed Description

The utility model will now be further elucidated with reference to the drawing.

As shown in fig. 1-2, a rotary bending device for bending pipes on railings on a tower crane comprises an automatic conveying mechanism 1, a quantitative conveying and measuring mechanism 2 and a bending mechanism 3, wherein the automatic conveying mechanism 1 is arranged on the left side of the bending mechanism 3, supporting legs are welded at the bottom of the automatic conveying mechanism 1 to support the automatic conveying mechanism 1, the right side of the automatic conveying mechanism 1 is butted with a feeding port of the bending mechanism 3, so that the bending pipes are fed into the bending mechanism 3 through the automatic conveying mechanism 1, a clamping head 1.4 for clamping the end part of the bending pipes is arranged on the automatic conveying mechanism 1, the clamping head 1.4 is clamped at the left end of the bending pipes, a sliding seat is arranged on the automatic conveying mechanism 1 and is fixed with the clamping head 1.4 in a welding manner, so that the clamping head 1.4 moves along with the sliding seat (the sliding seat moves on the automatic conveying mechanism 1, the sliding seat plays a role in conveying bent pipes), a quantitative output measuring mechanism is arranged on one side of the automatic conveying mechanism 1, and the movement distance of the sliding seat is controlled by the quantitative output measuring mechanism each time, so that the bent pipe shape is ensured (the movement distance of the bent pipe each time is accurately controlled, the bent pipe shape is ensured, and meanwhile, the bent pipe machined by the same equipment has high consistency, so that the condition that the bent pipe cannot be clamped into a mold is avoided); bending mechanism 3 is bender (conventional technology) on the market now promptly, and the switch and the ration of bender are carried measuring mechanism 2 and are connected, carry opening and stopping of measuring mechanism 2 control bender through the ration, realize the automatic of return bend like this and carry with automatic bending, reduce staff's intensity of labour, when carrying out work, only need the staff carry on material loading and unloading can, need not the staff and carry out the pay-off when the return bend is bent.

The automatic conveying mechanism 1 comprises a sliding groove 1.1, a track 1.2 and a conveying groove 1.3, wherein the sliding groove 1.1 is an arc groove body, the top parts of the front side and the rear side of the sliding groove 1.1 are fixedly provided with the track 1.2 parallel to the sliding groove 1.1 in a welding mode, the sliding seat and the track 1.2 are driven by a linear motor (a stator of the linear motor is fixed on the track 1.2 in a welding mode, and a rotor of the linear motor is fixed on the sliding seat in a welding mode, so that the linear motor controls the movement of the sliding seat), a locking assembly 1.6 is arranged between the sliding seat and the track 1.2 (the locking assembly 1.6 is an air cylinder which is fixed on the outer wall of the sliding seat, and a piston rod of the air cylinder penetrates through the side wall of the sliding seat to abut against the track 1.2, so that when the air cylinder is jacked out, the sliding seat is locked on the track 1.2, the locking assembly 1.6 can stop the movement of the sliding seat immediately, then the cylinder retracts to enable the bending machine to work to bend the bent pipe, the locking assembly 1.6 mainly plays a role in stopping the conveying of the sliding seat immediately, the linear motor generates inertia movement after stopping and causes errors in machining size, the sliding seat is locked on the rail 1.2 through the locking assembly 1.6, a conveying groove 1.3 for conveying the bent pipe is fixed on the sliding groove 1.1 in a bearing fixing mode (the conveying groove 1.3 is formed by a plurality of rollers arranged side by side, two ends of each roller are fixed on the inner wall of the sliding groove 1.1 through bearings, and the bent pipe is placed on the rollers for carrying out attributes); the clamping head 1.4 is a mechanical arm (a commercially available conventional mechanical clamping arm wall), the clamping head 1.4 is fixed on the sliding seat in a welding mode, and the clamping head 1.4 clamps the left end of the bent pipe, so that the sliding seat and the bent pipe can move synchronously, and the conveying distance of the bent pipe is ensured.

The quantitative output measuring mechanism comprises a sliding rod 2.1, an adjusting sleeve 2.2 and a travel switch 2.4, wherein the sliding rod 2.1 which is parallel to the sliding groove 1.1 is fixed on one side of the sliding groove 1.1 in a welding mode, distance scales are marked on the sliding rod 2.1, a plurality of adjusting sleeves 2.2 are sleeved on the sliding rod 2.1, each sliding sleeve ring moves on the sliding rod 2.1, a locking bolt 2.3 penetrates through each adjusting sleeve 2.2, the locking bolt 2.3 abuts against the sliding rod 2.1, the adjusting sleeve 2.2 is locked on the sliding rod 2.1 in a locking mode through the locking bolt 2.3, the travel switch 2.4 facing the sliding seat is fixed on each adjusting sleeve 2.2 in a welding mode, a proximity switch 2.5 is arranged on the sliding seat in a welding mode (the travel switch 2.4 and the proximity switch 2.5 are respectively an E3F-20C1/20L laser emission end and a laser emission end of a laser emission electric switch), proximity switch 2.5 is when gliding with the sliding seat is synchronous, proximity switch 2.5 docks with a plurality of travel switch 2.4 in proper order, when proximity switch 2.5 is relative with travel switch 2.4, the bender begins to bend the return bend (be promptly proximity switch 2.5 is connected with the switch of bender through the wire promptly, carry out the mode of butt joint when proximity switch 2.5 and travel switch 2.4, the bender begins to work, after the work of bending finishes, the bender return, the interval between per two travel switch 2.4 is the interval that the return bend was removed to the sliding seat at every turn, when carrying out the return bend automatic bending, because the size of railing is different, the size of return bend is also different, can realize controlling sliding seat displacement distance through adjusting the interval between the position of travel switch 2.4 on slide bar 2.1 and adjacent travel switch 2.4, realize carrying out the return bend of different sizes like this.

Claims (3)

1. A rotary bending device for bent pipes on railings on a tower crane comprises an automatic conveying mechanism, a quantitative conveying and measuring mechanism and a bending mechanism, and is characterized in that the automatic conveying mechanism is arranged on one side of the bending mechanism, a clamping head for clamping the end portions of the bent pipes is arranged on the automatic conveying mechanism, a sliding seat is arranged on the automatic conveying mechanism, the sliding seat is fixed with the clamping head, the clamping head moves along with the sliding seat, the quantitative output and measuring mechanism is arranged on one side of the automatic conveying mechanism, and the movement distance of each layer of sliding seats is controlled through the quantitative output and measuring mechanism, so that the bent pipes are guaranteed to be bent; the bending mechanism is the bending machine on the market at present, and the switch of the bending machine is connected with the quantitative conveying and measuring mechanism.

2. The rotary bending device for the elbow pipe on the railing of the tower crane according to claim 1, characterized in that the automatic conveying mechanism comprises a sliding groove, a rail and a conveying groove, the sliding groove is an arc groove body, the rails parallel to the sliding groove are arranged on two sides of the sliding groove, wherein the sliding seat and the rail are driven by a linear motor, a locking assembly is arranged between the sliding seat and the rail, the sliding seat is locked on the rail by the locking assembly, and the conveying groove for placing the elbow pipe is arranged on the sliding groove; the clamping head is a mechanical arm and is fixed on the sliding seat, and the clamping head clamps one end of the bent pipe.

3. The rotary bending device for the elbow pipe on the railing of the tower crane according to claim 2, characterized in that the quantitative output measuring mechanism comprises a sliding rod, an adjusting sleeve and a travel switch, the sliding rod parallel to the sliding groove is fixed on one side of the sliding groove, scales are arranged on the sliding rod, a plurality of adjusting sleeves are sleeved on the sliding rod, a locking bolt penetrates through each adjusting sleeve and abuts against the sliding rod, the travel switch facing the sliding seat is fixed on each adjusting sleeve, a proximity switch is arranged on the sliding seat, when the proximity switch is opposite to the travel switch, the bending machine starts to bend the elbow pipe, and the distance between every two travel switches is the distance for moving the elbow pipe by the sliding seat every time.

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