CN214184768U

CN214184768U - Pipe bender

Info

Publication number: CN214184768U
Application number: CN202022798690.3U
Authority: CN
Inventors: 陈素清; 唐太文; 冯永钊
Original assignee: Foshan Lineng Hydraulic Machinery Co ltd
Current assignee: Foshan Lineng Hydraulic Machinery Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-09-14
Anticipated expiration: 2030-11-28

Abstract

The utility model relates to a pipe bending machine, a blanking conveyer belt and a clamping mechanism are arranged in front of a bending mechanism in sequence, a feeding mechanism is arranged on one side of the bending mechanism, a workpiece to be bent is driven to move by the feeding conveyer belt, a pressing strip is driven to move towards a positioning strip by a first expansion piece and lean against the positioning strip, a rotary driving piece drives a roller to rotate by a second gear and the first gear in sequence, the roller is abutted against the workpiece, further the workpiece is driven to move downwards to a lower die in a more accurate straight line, the workpiece is conveniently moved to a positioning groove, a lower die is driven to descend by a third expansion piece, the workpiece is placed on a supporting wheel, the upper die is driven to press downwards by the second expansion piece, the workpiece is bent, the lower die is lifted after being bent and lifted together with the workpiece clamped by the upper die, a fourth expansion piece drives an air cylinder clamping jaw to extend out, the workpiece is, the fourth extensible member drives the cylinder clamping jaw to clamp the workpiece and moves to the blanking conveyor belt from the notch, and production efficiency is improved.

Description

Pipe bender

Technical Field

The utility model belongs to the technical field of the tubular product equipment of bending and specifically relates to a bending machine.

Background

At present, in the utilization process of pipes, the pipes need to be bent into various angles in order to meet various requirements, the general pipe bending method basically adopts a pipe bending machine to carry out cold bending processing, the existing pipe bending machine adopts manual operation, the pipe bending process wastes time and labor, in addition, in the processing process, because the manual force is uneven, whether the pipes are bent into a proper angle or not can be judged by observing and feeling only by the aid of the pipe bending machine at each time, when the pipes are bent, the positions of workpieces are easy to deviate and shift, the stability is not high, the normal processing is influenced, the positioning precision is low, the products are poor in bending, the waste of manpower and material resources is caused, the working efficiency is reduced, the cost is increased, and the potential safety hazard of production exists.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a pipe bending machine with high positioning precision and high production efficiency.

The utility model discloses the technical scheme who adopts does:

a pipe bending machine comprises a bending mechanism, wherein a blanking conveying belt and a clamping mechanism for taking and placing a workpiece from the bending mechanism onto the blanking conveying belt are sequentially arranged in front of the bending mechanism, and a feeding mechanism is arranged on one side of the bending mechanism;

the feeding mechanism comprises a feeding conveying belt and a positioning assembly, the positioning assembly is arranged at the top of the feeding conveying belt and comprises a positioning strip, a pressing strip and a first telescopic piece for driving the pressing strip to move towards the positioning strip, the bottom of the pressing strip is rotatably connected with a plurality of idler wheels, the top of the pressing strip is provided with first gears coaxially connected with the idler wheels, two adjacent first gears are meshed and connected through a second gear, and the top of one first gear is connected with a rotary driving piece;

the bending mechanism comprises an upper pressing die, a lower supporting die and supporting wheels symmetrically arranged on two sides of the lower supporting die, the lower supporting die corresponds to the positioning strip and is arranged right below the upper pressing die, the top of the upper pressing die is connected with a second telescopic piece, and a third telescopic piece is arranged at the bottom of the lower supporting die.

Preferably, the clamping mechanism comprises a bracket, a connecting rod and a fourth telescopic piece, the fourth telescopic piece is fixed at the top of the bracket, the output end of the fourth telescopic piece is connected with the middle part of the connecting rod, and two ends of the connecting rod are symmetrically connected with two cylinder clamping jaws.

Preferably, the fourth expansion element is a cylinder.

Preferably, the middle part of the outer side of the upper pressing die is provided with a pipe groove, and one side of the pipe groove, which is close to the clamping mechanism, is provided with a notch.

Preferably, one side of the positioning assembly, which is far away from the bending mechanism, is provided with a trapezoidal inlet, and two sides of the trapezoidal inlet are symmetrically provided with guide oblique blocks.

Preferably, the top of the lower supporting die is provided with a positioning groove.

Preferably, the rotary driving member is fixedly connected with the pressing strip, and the rotary driving member is a motor.

Preferably, the first telescopic part, the second telescopic part and the third telescopic part are all hydraulic cylinders.

The beneficial effects of the utility model reside in that:

the pipe bender drives a workpiece to be bent to move through the feeding conveyer belt, drives the pressing bar to move and close to the positioning bar through the first telescopic piece, the rotary driving piece drives the roller wheel to rotate through the second gear and the first gear in sequence, the roller wheel is abutted against the workpiece, thereby driving the workpiece to move downwards to the lower supporting die in a more accurate straight line, facilitating the workpiece to move to the positioning groove, driving the lower supporting die to descend by the third telescopic piece, leading the workpiece to be placed on the supporting wheel, the upper pressing die is driven to press downwards through the second telescopic piece, so that the workpiece is bent, the lower supporting die is lifted after the workpiece is bent, and rises together with the workpiece clamped by the upper pressing die, the fourth expansion piece drives the cylinder clamping jaw to extend out, and the workpiece is clamped by the cylinder clamping jaw, the upper pressing die continues to rise, the fourth telescopic piece driving cylinder clamping jaw clamps the workpiece and moves from the notch to the blanking conveying belt, the automatic feeding and discharging and the automatic bending are achieved, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is an enlarged schematic view of fig. 1 at B.

In the figure: 1. a bending mechanism; 2. blanking a conveying belt; 3. a gripping mechanism; 4. a feeding mechanism; 5. a feeding conveyer belt; 6. a positioning assembly; 7. a positioning bar; 8. layering; 9. a first telescoping member; 10. a roller; 11. a first gear; 12. a second gear; 13. a rotary drive member; 14. pressing the die; 15. lower supporting die; 16. a support wheel; 17. a second telescoping member; 18. a third telescoping member; 19. a bracket; 20. a connecting rod; 21. a fourth telescoping member; 22. a cylinder clamping jaw; 23. a pipe groove; 24. a notch; 25. a trapezoidal inlet; 26. a guide oblique block; 27. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the present invention provides a technical solution: a pipe bender comprises a bending mechanism 1, wherein a blanking conveyer belt 2 and a clamping mechanism 3 for taking and placing workpieces from the bending mechanism 1 onto the blanking conveyer belt 2 are sequentially arranged in front of the bending mechanism 1, and a feeding mechanism 4 is arranged on one side of the bending mechanism 1;

the feeding mechanism 4 comprises a feeding conveyer belt 5 and a positioning assembly 6, the positioning assembly 6 is arranged at the top of the feeding conveyer belt 5 and comprises a positioning strip 7, a pressing strip 8 and a first telescopic piece 9 for driving the pressing strip 8 to move towards the positioning strip 7, the bottom of the pressing strip 8 is rotatably connected with a plurality of rollers 10, the top of the pressing strip 8 is provided with first gears 11 coaxially connected with the rollers 10, two adjacent first gears 11 are meshed and connected through second gears 12, and the top of one second gear 12 is connected with a rotary driving piece 13;

the bending mechanism 1 comprises an upper die 14, a lower die 15 and supporting wheels 16 symmetrically arranged on two sides of the lower die 15, the lower die 15 is arranged corresponding to the positioning strip 7 and arranged right below the upper die 14, the top of the upper die 14 is connected with a second telescopic piece 17, and the bottom of the lower die 15 is provided with a third telescopic piece 18.

In order to facilitate taking out and blanking of the workpiece, in this embodiment, preferably, the clamping mechanism 3 includes a bracket 19, a connecting rod 20 and a fourth telescopic member 21, the fourth telescopic member 21 is fixed on the top of the bracket 19, and an output end of the fourth telescopic member 21 is connected with a middle portion of the connecting rod 20, and two cylinder clamping jaws 22 are symmetrically connected to two ends of the connecting rod 20.

For the convenience of driving movement, in the present embodiment, the fourth expansion piece 21 is preferably a cylinder.

In order to facilitate taking out and blanking the workpiece, in the embodiment, it is preferable that a pipe groove 23 is formed in the middle of the outer side of the upper die 14, and a notch 24 is formed in a side of the pipe groove 23 close to the gripping mechanism 3.

In order to facilitate the movement of the workpiece and prevent the workpiece from being jammed, in this embodiment, it is preferable that a trapezoidal inlet 25 is provided at a side of the positioning assembly 6 away from the bending mechanism 1, and guide blocks 26 are symmetrically provided at two sides of the trapezoidal inlet 25.

In order to improve the positioning accuracy, in this embodiment, it is preferable that the top of the lower supporting mold 15 is provided with a positioning groove 27.

In order to facilitate driving rotation, in this embodiment, it is preferable that the rotary driving member 13 is fixedly connected to the pressing bar 8, and the rotary driving member 13 is a motor.

For the convenience of driving movement, in the present embodiment, it is preferable that the first telescopic member 9, the second telescopic member 17 and the third telescopic member 18 are all hydraulic cylinders.

The utility model discloses a theory of operation and use flow: the workpiece to be bent is driven to move by the feeding conveyer belt 5, the pressing strip 8 is driven to move and close to the positioning strip 7 by the first telescopic piece 9, the rotary driving piece 13 drives the roller 10 to rotate by the second gear 12 and the first gear 11 in sequence, the roller 10 is abutted to the workpiece, so that the workpiece is driven to move downwards to the lower supporting die 15 in a more accurate straight line, the workpiece is convenient to move to the positioning groove 27, the third telescopic piece 18 drives the lower supporting die 15 to descend so that the workpiece is placed on the supporting wheel 16, the second telescopic piece 17 drives the upper pressing die 14 to press downwards so that the workpiece is bent, the lower supporting die 15 rises after being bent and rises together with the workpiece clamped by the upper pressing die 14, the fourth telescopic piece 21 drives the cylinder clamping jaw 22 to extend out, the workpiece is clamped by the cylinder clamping jaw 22, the workpiece continues rising by the upper pressing die 14, the fourth telescopic piece 21 drives the cylinder clamping jaw 22 to clamp the workpiece and moves from the gap 24 to the discharging conveyer belt 2, go up unloading and bend automatically, improve production efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending machine comprises a bending mechanism (1), and is characterized in that: a blanking conveying belt (2) and a clamping mechanism (3) for taking and placing a workpiece from the bending mechanism (1) onto the blanking conveying belt (2) are sequentially arranged in front of the bending mechanism (1), and a feeding mechanism (4) is arranged on one side of the bending mechanism (1);

the feeding mechanism (4) comprises a feeding conveyor belt (5) and a positioning assembly (6), the positioning assembly (6) is arranged at the top of the feeding conveyor belt (5) and comprises a positioning strip (7), a pressing strip (8) and a first telescopic part (9) for driving the pressing strip (8) to move towards the positioning strip (7), the bottom of the pressing strip (8) is rotatably connected with a plurality of rollers (10), the top of the pressing strip is provided with a first gear (11) coaxially connected with the rollers (10), two adjacent first gears (11) are meshed and connected through a second gear (12), and the top of one second gear (12) is connected with a rotary driving part (13);

the bending mechanism (1) comprises an upper pressing die (14), a lower supporting die (15) and supporting wheels (16) symmetrically arranged on two sides of the lower supporting die (15), the lower supporting die (15) is arranged corresponding to the positioning strip (7) and is arranged right below the upper pressing die (14), the top of the upper pressing die (14) is connected with a second telescopic piece (17), and the bottom of the lower supporting die (15) is provided with a third telescopic piece (18).

2. The bender according to claim 1, wherein: the clamping mechanism (3) comprises a bracket (19), a connecting rod (20) and a fourth telescopic piece (21), wherein the fourth telescopic piece (21) is fixed at the top of the bracket (19), the output end of the fourth telescopic piece is connected with the middle of the connecting rod (20), and two cylinder clamping jaws (22) are symmetrically connected to the two ends of the connecting rod (20).

3. The bender according to claim 2, wherein: the fourth telescopic piece (21) is a cylinder.

4. The bender according to claim 1 or 2, characterized in that: and a pipe groove (23) is formed in the middle of the outer side of the upper pressing die (14), and a notch (24) is formed in one side, close to the clamping mechanism (3), of the pipe groove (23).

5. The bender according to claim 1, wherein: one side of the positioning component (6) far away from the bending mechanism (1) is provided with a trapezoidal inlet (25), and two sides of the trapezoidal inlet (25) are symmetrically provided with guide oblique blocks (26).

6. The bender according to claim 1, wherein: and a positioning groove (27) is formed in the top of the lower supporting die (15).

7. The bender according to claim 1, wherein: the rotary driving piece (13) is fixedly connected with the pressing strip (8), and the rotary driving piece (13) is a motor.

8. The bender according to claim 1, wherein: the first telescopic piece (9), the second telescopic piece (17) and the third telescopic piece (18) are all hydraulic cylinders.