CN207806261U - U rib benders - Google Patents

Abstract

The utility model discloses a U-rib arc bending machine, which aims to provide a U-rib arc bending machine with reasonable design, automatic arc bending and no wrinkle. The utility model comprises a base and several conveying mechanisms arranged in a curved arc shape on the base, and arc bending mechanisms are arranged between adjacent conveying mechanisms, and the arc bending mechanisms include driving roller modules and The driven roller module located at one end of the driving roller module, the U rib is arranged in the conveying mechanism, and the two walls of the U rib are located between the driving roller module and the driven roller module Between groups, the front and rear ends of the base are provided with geared motors respectively connected to the driving roller modules at the first and last ends. The utility model is applied to the technical field of arc bending machines.

Description

U rib bending machine

technical field

The utility model relates to an arc bending machine, in particular to a U rib arc bending machine.

Background technique

Steel box girder is an important part of bridge load-bearing structure, mainly used to provide support and avoid bridge deformation. A steel box girder generally includes structures such as a top plate and a bottom plate. The top plate and the bottom plate are generally welded by U ribs and bottom plates; at present, the U ribs need to be bent, and the existing bending processes include pure manual arc processing and The arc bending machine automatically bends the arc, but the two processing methods have the following disadvantages:

Pure manual processing method: It is difficult to guarantee the processing quality of U-ribs, especially for large-diameter U-ribs, and the production efficiency is extremely low.

The existing arc bending machine processing method: the arc bending effect is not good, and wrinkles are prone to appear on the U rib, which affects the quality of the U rib.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a U-rib arc bending machine with reasonable design, automatic arc forming and no wrinkle.

The technical solution adopted by the utility model is: the utility model includes a base and several conveying mechanisms arranged on the base in a curved arc shape, and arc bending mechanisms are arranged between adjacent conveying mechanisms, so that The arc bending mechanism includes a driving roller module and a driven roller module located at one end of the driving roller module, the U rib is arranged in the conveying mechanism, and both walls of the U rib are located on the driving roller module. Between the roller module and the driven roller module, the front and rear ends of the base are provided with reduction motors respectively connected to the driving roller modules at the first and last ends.

Further, the conveying mechanism includes two brackets, the lower ends between the two brackets are provided with lower conveying rollers, and the upper ends of the two brackets are provided with screw rods and tensioning rods connected with the screw rods. As for the fixed plate, an upper conveying roller is arranged between the two tensioned fixed plates.

Further, the number of the conveying mechanism is four, the number of the arc bending mechanism is three, and the two arc bending mechanisms at both ends are arranged at the left end of the conveying mechanism, and are connected with the U rib The left wall is in contact, and the arc bending mechanism in the middle is arranged at the right end of the conveying mechanism, and is in contact with the right wall of the U rib.

Further, the driving roller module includes a moving block 1, a bead 1, a supporting roller shaft 1, a supporting roller sleeve 1 and a pressure sleeve, the moving block 1 is arranged on the base, and is fixed on the base by the bead 1 On the base, the supporting roller shaft one is arranged on the moving block one, the supporting roller sleeve is arranged on the upper end of the supporting roller shaft one, and the pressing sleeve is arranged on the supporting roller The upper end of the shaft one and the lower end of the supporting roller shaft one are provided with a tapered roller bearing one and a precision lock nut one.

Further, the driven roller module includes a moving block 2, a bead 2 and a supporting roller, the moving block 2 is arranged on the base, and is fixed on the base by the bead 2, and the supporting roller It is arranged on the moving block 2, the lower end of the supporting roller penetrates into the moving block 2, and the lower end of the supporting roller is provided with a tapered roller bearing 2 and a precision locking nut 2.

Further, the support roller sleeve 1 is in the shape of a rounded truncated cone, and a through hole matching the support roller shaft 1 is provided in the center thereof, and the support roller is in the shape of a circular truncated truncated cone.

Further, a gear transmission module is provided between the driving roller module at the front and rear ends and the reduction motor, and a top end is provided at one end of the driving roller module and one end of the driven roller module in the middle. Tight screw seat.

Further, the tightening screw seat includes a screw base, a tightening nut, a tightening screw, a slider connection head and a ball compression block, and one end of the tightening screw is fixed by the tightening nut On the screw base, the other end of the tightening screw passes through the screw base and is connected to the first moving block or the second moving block, and the first moving block or the second moving block One end of the moving block 2 is provided with the slider connector, and the tightening screw is connected with the slider connector through the ball head pressing block.

The beneficial effects of the utility model are: since the utility model includes a base and a plurality of conveying mechanisms arranged on the base in a curved arc shape, arc bending mechanisms are arranged between adjacent conveying mechanisms, and the The arc bending mechanism includes a driving roller module and a driven roller module located at one end of the driving roller module, the U rib is arranged in the conveying mechanism, and both walls of the U rib are located on the driving roller Between the module and the driven roller module, the front and rear ends of the base are provided with deceleration motors respectively connected to the driving roller modules at both ends, so the utility model provides Power is provided to the driving roller modules at both ends, so that the two walls of the U rib pass through the driving roller module and the driven roller module at a constant speed, and the conveying mechanism is curved. Arranged in an arc shape on the base, so that the U ribs are also bent in an arc shape, so the utility model has a reasonable design, can be automatically bent and formed, and does not wrinkle through the U ribs of the utility model.

Description of drawings

Fig. 1 is the schematic diagram of the utility model;

Fig. 2 is a side view of the utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is a schematic diagram of the arc bending mechanism.

Detailed ways

As shown in Figures 1 to 4, in this embodiment, the utility model includes a base 1 and four conveying mechanisms 2 arranged on the base 1 in a curved arc shape, and the adjacent conveying mechanisms 2 Both arc bending mechanisms 3 are arranged between them, and the two arc bending mechanisms 3 at both ends are arranged on the left end of the conveying mechanism 2, and are in contact with the left wall of the U rib 6, and the arc bending mechanisms in the middle The mechanism 3 is arranged at the right end of the conveying mechanism 2 and is in contact with the right wall of the U rib 6. The arc bending mechanism 3 includes a driving roller module 4 and a driven roller located at one end of the driving roller module 4. The roller module 5, the U rib 6 is arranged in the conveying mechanism 2, and the two walls of the U rib 6 are located between the driving roller module 4 and the driven roller module 5, so The front and rear ends of the base 1 are provided with reduction motors 7 respectively connected to the driving roller modules 4 located at both ends, and the base is also provided with an MCU controller electrically connected to the reduction motors , so the utility model controls the reduction motor and the conveying mechanism 2 through the MCU controller, so that the two walls of the U rib 6 enter the arc bending mechanism 3 through the conveying mechanism 2 Perform arc bending operations, and the three arc bending mechanisms 3 are arranged on the base 1 in an arc shape because the conveying mechanism 2 is arranged on the base 1, so the three arc bending mechanisms 3 are arranged on the base in an arc shape 1, this design is also better to make the U-rib 6 not wrinkle-free to carry out the arc bending process.

In this embodiment, the conveying mechanism 2 includes two brackets 21, the lower ends between the two brackets 21 are provided with a lower conveying roller 22, and the upper ends of the two brackets 21 are provided with screw rods 23 and connected with each other. The tightening fixing plate 24 connected with the screw mandrel 23 is provided with an upper conveying roller 25 between the two tightening fixing plates 24, and the screw mandrel 23 can adjust the position of the tightening fixing plate 24, thereby adjusting the position of the tightening fixing plate 24. The position between the lower conveying roller 22 and the upper conveying roller 25 is described, so that the conveying mechanism 2 can be commonly used for U ribs 6 of various sizes.

In this embodiment, the driving roller module 4 includes a moving block 1, a bead 42, a supporting roller shaft 43, a supporting roller sleeve 44 and a pressing sleeve 45, and the moving block 41 is arranged on the base 1, and fixed on the base 1 by the bead 42, the supporting roller shaft 43 is set on the moving block 41, and the supporting roller sleeve 44 is sleeved on the supporting roller shaft The upper end of a 43, the pressure sleeve 45 is arranged on the upper end of the supporting roller shaft 43, and the lower end of the supporting roller shaft 43 is provided with a tapered roller bearing 1 and a precision lock nut 1.

In this embodiment, the driven roller module 5 includes a moving block 2 51 , a bead 2 52 and a supporting roller 53 , the moving block 51 is arranged on the base 1 and fixed by the bead 2 52 On the base 1, the supporting roller 53 is arranged on the moving block 2 51, the lower end of the supporting roller 53 penetrates the moving block 2 51, and the lower end of the supporting roller 53 is provided with a tapered roller Bearing two and precision lock nut two.

In this embodiment, the support roller sleeve 1 44 is in the shape of a rounded truncated cone, and a through hole matching the support roller shaft 1 43 is provided in the center thereof, and the support roller 53 is in the shape of a truncated cone.

In this embodiment, a gear transmission module 8 is provided between the driving roller module 4 at the front and rear ends and the reduction motor 7, and one end of the driving roller module 4 in the middle is connected to the driven roller module 4. One end of the group 5 is provided with a tightening screw seat 9, and the tightening screw seat 9 includes a screw base 91, a tightening nut 92, a tightening screw 93, a slider connector 94 and a ball head pressing Block 95, one end of the tightening screw 93 is fixed on the screw base 91 through the tightening nut 92, and the other end of the tightening screw 93 passes through the screw base 91 and the screw base 91. The first moving block 41 or the second moving block 51 are connected, and one end of the first moving block 41 or the second moving block 51 is provided with the slider connector 94, and the tightening screw 93 passes through The ball head pressing block 95 is connected with the slider connecting head 94, and this design can adjust the tightening screw 93 according to the U-rib 6 of different wall thickness against the moving block one 41 and the Move the position between block 2 51, so that the support roller sleeve 1 44 and the support roller 53 can press the U rib 6, and further enable the U rib 6 to be bent automatically and without wrinkles process.

The utility model is applied to the technical field of bending machines.

Although the embodiment of the utility model is described with the actual scheme, it does not constitute a limitation to the meaning of the utility model. For those skilled in the art, the modification of its implementation according to this description and the combination with other schemes are all Obvious.

Claims (8)

1. A U-ribbed arc bending machine is characterized in that: it comprises a base (1) and some conveying mechanisms (2) arranged on the base (1) in a curved shape, and the adjacent conveying mechanisms ( 2) are provided with an arc bending mechanism (3), and the arc bending mechanism (3) includes a driving roller module (4) and a driven roller module (5) located at one end of the driving roller module (4) ), the U rib (6) is arranged in the conveying mechanism (2), and the two walls of the U rib (6) are located at the driving roller module (4) and the driven roller module (5 ), the front and rear ends of the base (1) are provided with geared motors (7) respectively connected to the drive roller modules (4) located at the first and last ends. 2. The U-rib arc bending machine according to claim 1, characterized in that: the conveying mechanism (2) includes two brackets (21), and the lower end between the two brackets (21) is provided with a lower conveyor Roller (22), the upper end of two described supports (21) is all provided with screw mandrel (23) and the tightening fixing plate (24) that is connected with described screw mandrel (23), two described tensioning fixed Upper conveying rollers (25) are arranged between the plates (24). 3. The U-rib arc bending machine according to claim 1, characterized in that: the number of the conveying mechanisms (2) is four, the number of the arc bending mechanisms (3) is three, and the two ends of the first and last ends The first arc bending mechanism (3) is arranged on the left end of the conveying mechanism (2), and is in contact with the left wall of the U rib (6), and the middle arc bending mechanism (3) is arranged on the The right end of the conveying mechanism (2) is in contact with the right wall of the U rib (6). 4. The U-rib arc bending machine according to claim 1, characterized in that: the drive roller module (4) includes a moving block one (41), a bead one (42), a supporting roller shaft one (43), Support roller sleeve one (44) and pressure sleeve (45), said moving block one (41) is arranged on said base (1), and is fixed on said base (1) by said bead one (42) , the supporting roller shaft one (43) is set on the moving block one (41), the supporting roller sleeve one (44) is sleeved on the upper end of the supporting roller shaft one (43), and the pressing sleeve (45) is arranged on the upper end of the supporting roller shaft one (43), and the lower end of the supporting roller shaft one (43) is provided with a tapered roller bearing one and a precision lock nut one. 5. The U-rib arc bending machine according to claim 4, characterized in that: the driven roller module (5) comprises a moving block two (51), a bead two (52) and a support roller (53), the The second moving block (51) is arranged on the base (1), and is fixed on the base (1) by the second bead (52), and the support roller (53) is arranged on the second moving block (51), the lower end of the supporting roller (53) penetrates the second moving block (51), and the lower end of the supporting roller (53) is provided with a tapered roller bearing II and a precision locking nut II. 6. The U-rib arc bending machine according to claim 5, characterized in that: said support roller sleeve one (44) is in the shape of a rounded table, and its center is provided with a support roller shaft one (43). The matching through hole, the support roller (53) is in the shape of a circular truncated cone. 7. The U-rib arc bending machine according to claim 5, characterized in that: a gear transmission module (8) is arranged between the driving roller module (4) at the front and rear ends and the reduction motor (7) One end of the driving roller module (4) in the middle and one end of the driven roller module (5) are both provided with a tightening screw seat (9). 8. The U-rib arc bending machine according to claim 7, characterized in that: the tightening screw seat (9) includes a screw base (91), a tightening nut (92), a tightening screw ( 93), slider connector (94) and ball head pressing block (95), one end of the tightening screw (93) is fixed to the screw base (91) by the tightening nut (92) On, the other end of the tightening screw (93) passes through the screw base (91) and is connected with the moving block one (41) or the moving block two (51), and the moving One end of the block one (41) or the two moving blocks (51) is provided with the slider connector (94), and the top tightening screw (93) is pressed against the ball head (95) and The slider joints (94) are connected.