CN216095753U

CN216095753U - Hydraulic pipe bending machine

Info

Publication number: CN216095753U
Application number: CN202121521968.0U
Authority: CN
Inventors: 万哲
Original assignee: Wuxi Mingcheng Electric Appliance Co ltd
Current assignee: Wuxi Mingcheng Electric Appliance Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-03-22
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a hydraulic pipe bending machine, which comprises a workbench, a servo motor, a rotating wheel, a clamping die and a wheel die, wherein the surface of the workbench is fixedly provided with the servo motor, the output shaft of the servo motor is fixedly connected with the rotating wheel, the side surface of the rotating wheel is fixedly provided with a connecting shell through a bolt, the inside of the connecting shell is provided with a limiting rod in a penetrating manner, the front end of the limiting rod is fixedly connected with the clamping die, the surface of the clamping die is fixedly provided with a fixed sleeve through a bolt, the inside of the fixed sleeve is provided with a spring, and the right side of the spring is tightly attached with an adjusting bolt; a wheel mold is arranged inside the workbench, and a bottom plate is rotatably connected below the wheel mold; a hydraulic rod is fixed on the inner bolt of the connecting shell; and a pipe is arranged between the clamping die and the wheel die. This hydraulic pipe bender can come the round die to dismantle fast and change through the block structure on the device when using, has promoted the application scope of device, can also adjust the compressing tightly effect of moulding-die simultaneously, has guaranteed the off-the-shelf quality of device production return bend.

Description

Hydraulic pipe bending machine

Technical Field

The utility model relates to the technical field of pipe bending machines, in particular to a hydraulic pipe bending machine.

Background

The pipe bending machine is common machining equipment, is a machine for bending a pipe fitting as the name suggests, fixes the pipe fitting through a clamping die, and then drives the pipe fitting to rotate through a wheel die, so that the bending work is realized, but some existing pipe bending machines have shortcomings when being used.

(1) When the existing pipe bender is used, the wheel dies cannot be quickly replaced according to different pipe fittings, the use effect is poor, the pipe bender is inconvenient to use, the disassembly steps are complex, and the machining efficiency is influenced;

(2) when the existing pipe bender is used, the pressing degree of the clamping die is not convenient to adjust according to the requirement, the adjustable degree is lower, the pipe fitting is easily crushed, and the quality of the finished product of the bent pipe is influenced.

We therefore propose a hydraulic pipe bending machine to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic pipe bending machine, which aims to solve the problems that the application range of some pipe bending machines in the market is low and the wheel dies are inconvenient to replace in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic pipe bending machine comprises a workbench, a servo motor, a rotating wheel, a clamping die and a wheel die, wherein the surface of the workbench is fixedly provided with the servo motor, the rotating wheel is fixedly connected to an output shaft of the servo motor, a connecting shell is fixed to the side face of the rotating wheel through a bolt, a limiting rod penetrates through the connecting shell, the front end of the limiting rod is fixedly connected with the clamping die, a fixed sleeve is fixed to the surface of the clamping die through a bolt, a spring is arranged in the fixed sleeve, and an adjusting bolt is tightly attached to the right side of the spring; a wheel mold is arranged inside the workbench, and a bottom plate is rotatably connected below the wheel mold; a hydraulic rod is fixed on the inner bolt of the connecting shell; and a pipe is arranged between the clamping die and the wheel die.

Preferably, the clamping die forms a sliding structure through the limiting rod and the connecting shell, and the limiting rod is symmetrically distributed on the front side and the rear side of the clamping die.

Preferably, the left side of the spring is fixedly connected with a push rod, and the push rod is fixedly arranged at the right end of the hydraulic rod; the clamping die and the push rod form an elastic structure through a spring.

Preferably, a pressure spring is fixedly arranged inside the wheel mold, the front end of the pressure spring is fixedly connected with a connector, and the front end of the connector is made of hemispherical rubber; the surface mounting of wheel mould has the fly leaf, and the through-hole has been seted up on the surface of fly leaf, and the right side of through-hole rotates and is connected with the roof, and equal fixed mounting of roof and bottom plate is on the surface of workstation.

Preferably, the lower surface of the movable plate and the upper surface of the bottom plate are mutually attached to the wheel mold, the connector forms an elastic structure with the wheel mold through a pressure spring, and the wheel mold forms a clamping structure with the movable plate through the through hole and the connector.

Preferably, the central axes of the push rod, the spring, the hydraulic rod and the fixed sleeve are all on the same straight line, and the outer wall of the push rod is mutually attached to the inner wall of the fixed sleeve.

Compared with the prior art, the utility model has the beneficial effects that: this hydraulic pipe bender:

(1) the clamping structure capable of being rapidly disassembled and assembled is arranged on the device, so that the wheel dies on the device can be conveniently and rapidly replaced in the follow-up process, the use convenience of the device is improved, the wheel dies can be replaced according to the size of a pipe fitting, the defect that the wheel die replacing steps of some conventional pipe bending machines are complex is overcome, and the device has the advantage of wider application range;

(2) the device's hydraulic stem front end is provided with elasticity adjusting part, can adjust the holistic elasticity of device through rotating adjusting bolt, can adapt to the difference and compress tightly the pipe fitting needs, has guaranteed the off-the-shelf quality of return bend, has solved the lower defect of some bending machines application scope now, has promoted the result of use of device.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the wheel mold and the movable plate according to the present invention;

FIG. 3 is a schematic view of the connection structure of the movable plate and the top plate according to the present invention;

FIG. 4 is a top cross-sectional view of the coupling housing of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. a work table; 2. a servo motor; 3. a rotating wheel; 4. a connecting shell; 5. a limiting rod; 6. clamping a mold; 7. fixing a sleeve; 8. a spring; 9. adjusting the bolt; 10. a wheel mold; 11. a base plate; 12. a pressure spring; 13. a connector; 14. a movable plate; 15. a through hole; 16. a top plate; 17. a hydraulic lever; 18. a pipe; 19. a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a hydraulic pipe bending machine comprises a workbench 1, a servo motor 2, a rotating wheel 3, a connecting shell 4, a limiting rod 5, a clamping die 6, a fixing sleeve 7, a spring 8, an adjusting bolt 9, a wheel die 10, a bottom plate 11, a pressure spring 12, a connector 13, a movable plate 14, a through hole 15, a top plate 16, a hydraulic rod 17, a pipe 18 and a push rod 19, wherein the servo motor 2 is fixedly arranged on the surface of the workbench 1, the rotating wheel 3 is fixedly connected to an output shaft of the servo motor 2, the rotating wheel 3 is driven to move through the servo motor 2 so as to realize the bending of the pipe 18, the connecting shell 4 is fixed to a side bolt of the rotating wheel 3, the limiting rod 5 penetrates through the connecting shell 4, the clamping die 6 is fixedly connected to the front end of the limiting rod 5, the fixing sleeve 7 is fixed to a surface bolt of the clamping die 6, the spring 8 is arranged inside the fixing sleeve 7, the adjusting bolt 9 is tightly attached to the right side of the spring 8, the elastic force of the spring 8 is adjusted through the adjusting bolt 9 on the device, so that the compression degree of the device is adjusted, and the quality of a bent pipe finished product is improved; a wheel mold 10 is arranged in the workbench 1, and a bottom plate 11 is rotatably connected below the wheel mold 10; a hydraulic rod 17 is fixed on the inner bolt of the connecting shell 4; a pipe 18 is arranged between the clamping die 6 and the wheel die 10, and the clamping die 6 is pushed by a hydraulic rod 17, so that the pipe 18 is bent.

Press from both sides mould 6 and constitute sliding construction between connecting shell 4 through

gag lever post

5, 5 symmetric distribution of gag lever post are both sides around pressing from both sides mould 6, and the gag lever post 5 through the device guarantees that the level of pressing from both sides mould 6 removes, has promoted the stability when the device uses.

A push rod 19 is fixedly connected to the left side of the spring 8, and the push rod 19 is fixedly installed at the right end of the hydraulic rod 17; press from both sides the mould 6 and constitute elastic construction between spring 8 and push rod 19, cushion clamp mould 6 through the elastic construction on the device, avoid the too big tubular product 18 damage that leads to of centre gripping dynamics.

A pressure spring 12 is fixedly arranged inside the wheel die 10, the front end of the pressure spring 12 is fixedly connected with a connector 13, and the front end of the connector 13 is made of hemispherical rubber; the surface mounting of wheel mould 10 has fly leaf 14, and through-hole 15 has been seted up on the surface of fly leaf 14, and the right side of through-hole 15 is rotated and is connected with roof 16, and roof 16 and the equal fixed mounting of bottom plate 11 are on the surface of workstation 1, come wheel mould 10 and fly leaf 14 to fix through connector 13 on the device, have promoted the practicality of device.

The lower surface of the movable plate 14 and the upper surface of the bottom plate 11 are mutually attached to the wheel die 10, the connecting head 13 forms an elastic structure with the wheel die 10 through the pressure spring 12, the wheel die 10 forms a clamping structure with the movable plate 14 through the through hole 15 and the connecting head 13, and the device can rapidly install and detach the wheel die 10 by utilizing the clamping structure so as to adapt to bending of pipes 18 with different sizes.

The central axes of the push rod 19, the spring 8, the hydraulic rod 17 and the fixing sleeve 7 are on the same straight line, the outer wall of the push rod 19 and the inner wall of the fixing sleeve 7 are mutually attached, and the clamping die 6 is pushed by the hydraulic rod 17 to compress the pipe 18 for bending, so that the bending effect is guaranteed.

The working principle is as follows: when the hydraulic pipe bender is used, as shown in fig. 4-5, firstly, the clamping degree is adjusted, the front end of the adjusting bolt 9 abuts against the spring 8 by rotating the adjusting bolt 9, so that the clamping degree of the spring 8 is adjusted, further, the clamping effect of the adjusting bolt 9 and the clamping die 6 by the adjusting push rod 19 is adjusted, when the rotating wheel 3 needs to be clamped, firstly, the front end of the clamping die 6 presses the pipe 18 in the wheel die 10 by extending the hydraulic rod 17, then, the rotating wheel 3 is driven by the servo motor 2 to rotate, the connecting shell 4 and the clamping die 6 are driven to integrally rotate, so that the purpose of bending the pipe 18 is achieved, and the bending work is completed;

in the processing of tubes 18 of different dimensions, the wheel die 10 needs to be replaced, as shown in fig. 1-4, by first pressing down the coupling head 13, so that the connecting head 13 retracts into the wheel die 10, the pressure spring 12 is compressed until the rear half part of the connecting head 13 retracts into the wheel die 10, at this time, the movable plate 14 on the top plate 16 can be rotated, the inner wall of the through hole 15 will first press the rubber at the front end of the connecting head 13, so as to press the connecting head 13 into the wheel mold 10 completely, at this time, the wheel mold 10 and the movable plate 14 are disengaged, so that the wheel mold 10 can be removed and replaced integrally, a new wheel mold 10 is installed on the surface of the bottom plate 11, thereby achieving the purpose of bending the pipes 18 which are suitable for different sizes, which is the working process of the whole device, and those not described in detail in this specification are well within the skill of those in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hydraulic pipe bending machine, includes workstation (1), servo motor (2), runner (3), presss from both sides mould (6) and wheel mould (10), its characterized in that: a servo motor (2) is fixedly arranged on the surface of the workbench (1), a rotating wheel (3) is fixedly connected to an output shaft of the servo motor (2), a connecting shell (4) is fixed to a side face bolt of the rotating wheel (3), a limiting rod (5) penetrates through the connecting shell (4), a clamping die (6) is fixedly connected to the front end of the limiting rod (5), a fixing sleeve (7) is fixed to the surface bolt of the clamping die (6), a spring (8) is arranged inside the fixing sleeve (7), and an adjusting bolt (9) is tightly attached to the right side of the spring (8); a wheel mold (10) is arranged inside the workbench (1), and a bottom plate (11) is rotatably connected below the wheel mold (10); a hydraulic rod (17) is fixed in the connecting shell (4) through a bolt; and a pipe (18) is arranged between the clamping die (6) and the wheel die (10).

2. A hydraulic pipe bender as claimed in claim 1, wherein: the clamping die (6) and the connecting shell (4) form a sliding structure through the limiting rod (5), and the limiting rod (5) is symmetrically distributed on the front side and the rear side of the clamping die (6).

3. A hydraulic pipe bender as claimed in claim 1, wherein: a push rod (19) is fixedly connected to the left side of the spring (8), and the push rod (19) is fixedly installed at the right end of the hydraulic rod (17); the clamping die (6) and the push rod (19) form an elastic structure through the spring (8).

4. A hydraulic pipe bender as claimed in claim 1, wherein: a pressure spring (12) is fixedly arranged in the wheel die (10), the front end of the pressure spring (12) is fixedly connected with a connector (13), and the front end of the connector (13) is made of rubber in a hemisphere shape; the surface mounting of wheel mould (10) has fly leaf (14), and through-hole (15) have been seted up on the surface of fly leaf (14), and the right side of through-hole (15) rotates and is connected with roof (16), and roof (16) and bottom plate (11) are all fixed mounting on the surface of workstation (1).

5. A hydraulic pipe bender as claimed in claim 4, wherein: the lower surface of the movable plate (14), the upper surface of the bottom plate (11) and the wheel mold (10) are mutually attached, the connecting head (13) forms an elastic structure with the wheel mold (10) through a pressure spring (12), and the wheel mold (10) forms a clamping structure with the movable plate (14) through a through hole (15) and the connecting head (13).

6. A hydraulic pipe bender as claimed in claim 3, wherein: the central axes of the push rod (19), the spring (8), the hydraulic rod (17) and the fixing sleeve (7) are all on the same straight line, and the outer wall of the push rod (19) and the inner wall of the fixing sleeve (7) are mutually attached.