CN113458202B

CN113458202B - Pipe bending device convenient for angle adjustment

Info

Publication number: CN113458202B
Application number: CN202110894522.0A
Authority: CN
Inventors: 刘辰; 何流; 尹大鹏; 葛兆斌
Original assignee: Hefei Institutes of Physical Science of CAS
Current assignee: Hefei Institutes of Physical Science of CAS
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-11-29
Anticipated expiration: 2041-08-05
Also published as: CN113458202A

Abstract

The invention relates to a pipe bending device, in particular to a pipe bending device convenient for angle adjustment, which comprises a pipe bending movable mechanism and a pipe bending fixing mechanism, wherein the pipe bending movable mechanism comprises a roller and first connecting plates symmetrically arranged on two sides of the roller, the pipe bending fixing mechanism comprises a wheel die and a reverse die, one side of the arc end of the wheel die is fixedly connected with the reverse die, and the other side of the arc end of the wheel die is provided with a hydraulic cylinder.

Description

Pipe bending device convenient for angle adjustment

Technical Field

The invention relates to a pipe bending device, in particular to a pipe bending device convenient for angle adjustment.

Background

The application range of the bent pipe is wide, the bent pipe is mainly used for laying and repairing pipelines in the aspects of electric power construction, highway construction, boilers, bridges, ships, furniture, decoration and the like, the bent pipe is usually bent by adopting a bent pipe device, but the conventional bent pipe device is large in size, heavy in weight and high in purchasing cost, and the use cost of enterprises and factories is increased.

Disclosure of Invention

The present invention is directed to a pipe bending device with a convenient angle adjustment, so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a pipe bending device convenient for angle adjustment comprises a pipe bending movable mechanism and a pipe bending fixing mechanism, wherein the pipe bending movable mechanism comprises a roller and first connecting plates symmetrically distributed on two sides of the roller, the roller is rotatably connected with one end of the first connecting plates, a movable shaft is arranged between the other ends of the two first connecting plates, the pipe bending fixing mechanism comprises a wheel die and a reverse die, the wheel die is fan-shaped, one end, close to the circle center, of the wheel die is rotatably connected with the movable shaft, one side of the arc end of the wheel die is fixedly connected with the reverse die, and a hydraulic cylinder is arranged on the other side of the arc end of the wheel die; the roller, the wheel die and the reverse die are provided with grooves matched with the pipeline. When the pipeline bending device is used, the hydraulic cylinder is started, the idler wheel makes arc motion around the movable shaft, and the bending angle of the pipeline can be adjusted by adjusting the telescopic amount of the hydraulic cylinder.

Furthermore, the outer sides of the two first connecting plates are respectively provided with a second connecting plate, one end of the second connecting plate is rotatably connected with the first connecting plate, the other end of the second connecting plate is provided with a hydraulic cylinder connector, and two sides of the hydraulic cylinder connector are respectively rotatably connected with the second connecting plate.

Furthermore, one end of the hydraulic cylinder is connected with the hydraulic cylinder connector, the other end of the hydraulic cylinder is connected with the wheel mold, the reverse mold is provided with a pressing mold, the pressing mold and the reverse mold are provided with fixed grooves matched with the pipeline, the arc section of the wheel mold is provided with an arc-shaped groove matched with the pipeline, and the periphery of the roller is provided with an annular groove matched with the pipeline.

As a further scheme of the invention: the lower part of the elbow fixing mechanism is provided with a workbench, the workbench is provided with a first supporting block and a second supporting block, the first supporting block and a first fixing piece arranged on one side of the wheel die are fixed through bolts, and the second supporting block and a second fixing piece arranged on the other side of the wheel die are fixed through bolts.

As a still further scheme of the invention: supporting legs are arranged below the workbench, and flexible anti-slip pads are arranged on the parts, in contact with the ground, of the supporting legs.

As a still further scheme of the invention: the arc end of the wheel mould is provided with angle scales corresponding to the arc groove.

As a still further scheme of the invention: be equipped with waist type spout on the first connecting plate, two be equipped with the sliding shaft between the first connecting plate, the both ends of sliding shaft respectively with a waist type spout sliding connection, the sliding shaft passes the axle center of gyro wheel, and the sliding shaft rotates with the gyro wheel to be connected, one side of first connecting plate is equipped with adjusting bolt, adjusting bolt and first connecting plate threaded connection, and adjusting bolt's one end rotates with the sliding shaft to be connected.

Compared with the prior art, the invention has the beneficial effects that:

1. the embodiment has the advantages of simple structure, low manufacturing cost, small volume, light weight, convenience for a user to use and good application effect.

2. The bending angle of the pipeline can be conveniently adjusted by a user by adjusting the telescopic amount and the observation angle scale of the hydraulic cylinder, and the using effect of the device is improved.

3. The position of the sliding shaft in the waist-shaped sliding groove can be adjusted by rotating the adjusting bolt, so that the roller can be better attached to a pipeline, and the bending effect of the device is improved.

Drawings

Fig. 1 is a schematic view of a pipe bending apparatus for facilitating angle adjustment.

Fig. 2 is a schematic structural view of a second connecting plate in the elbow device for facilitating angle adjustment.

Fig. 3 is a schematic structural diagram of a pipe bending moving mechanism in the pipe bending device for facilitating angle adjustment.

Fig. 4 is a schematic structural view of a bent pipe fixing mechanism in the bent pipe device for facilitating angle adjustment.

Fig. 5 is a schematic view of the table of the elbow device for easy angle adjustment.

The device comprises a pipe bending mechanism 1, a pipe bending fixing mechanism 2, a workbench 3, a pipeline 4, a first connecting plate 5, a roller 6, a hydraulic cylinder connector 7, a hydraulic cylinder 8, a wheel mold 9, a reverse mold 10, a pressing mold 11, a second connecting plate 12, an angle scale 13, an arc-shaped groove 14, a fixing groove 15, a first fixing piece 16, a second fixing piece 17, an annular groove 18, an adjusting bolt 19, a waist-shaped sliding groove 20, a movable shaft 21, a first supporting block 22, a second supporting block 23, a supporting leg 24 and a sliding shaft 25.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-5, a pipe bending device convenient for angle adjustment comprises a pipe bending movable mechanism 1 and a pipe bending fixed mechanism 2, wherein the pipe bending movable mechanism 1 comprises a roller 6 and first connecting plates 5 symmetrically arranged at two sides of the roller 6, the roller 6 is rotatably connected with one end of the first connecting plate 5, a movable shaft 21 is arranged between the other ends of the two first connecting plates 5, the two first connecting plates 5 are firmly connected together through the movable shaft 21, a second connecting plate 12 is respectively arranged at the outer sides of the two first connecting plates 5, one end of the second connecting plate 12 is rotatably connected with the first connecting plate 5, a hydraulic cylinder connector 7 is arranged at the other end, two sides of the hydraulic cylinder connector 7 are respectively rotatably connected with the second connecting plate 12, the pipe bending fixed mechanism 2 comprises a wheel mold 9 and a reverse mold 10, the wheel mold 9 is fan-shaped, and one end of the wheel mold 9 close to the circle center is rotatably connected with the movable shaft 21, when in use, the wheel mold 9 can rotate around the movable shaft 21, one side of the arc end of the wheel mold 9 is fixedly connected with the reverse mold 10, the other side is provided with a hydraulic cylinder 8, one end of the hydraulic cylinder 8 is connected with a hydraulic cylinder connector 7, the other end is connected with the wheel mold 9, when in use, the wheel mold 9 is fixed, the hydraulic cylinder 8 can drive the second connecting plate 12 to move, so as to link the first connecting plate 5, the roller 6 does arc motion around the movable shaft 21, the reverse mold 10 is provided with a pressing mold 11, the pressing mold 11 and the reverse mold 10 are provided with a fixed groove 15 matched with the pipeline 4, when in use, the pipeline 4 is placed into the fixed groove 15 of the reverse mold 10, the pipeline 4 is fixed through the matching of the pressing mold 11 and the reverse mold 10, the arc section of the wheel mold 9 is provided with an arc groove 14 matched with the pipeline 4, the periphery of gyro wheel 6 is equipped with the annular groove 18 of round and 4 adaptations of pipeline, during the use, it is fixed with wheel mould 9, fix pipeline 4 on back mould 10 through moulding-die 11, make pipeline 4 be located between gyro wheel 6 and the wheel mould 9 simultaneously, restart pneumatic cylinder 8, make the motion of pneumatic cylinder 8 drive second connecting plate 12, thereby interlock gyro wheel 6 is arc motion around loose axle 21, make pipeline 4 crooked under the cooperation of gyro wheel 6 with wheel mould 9, the flexible volume through adjusting pneumatic cylinder 8 can the person of facilitating the use adjust the bend angle of pipeline 4.

The below of return bend fixed establishment 2 is equipped with workstation 3, be equipped with first supporting shoe 22 and second supporting shoe 23 on workstation 3, first supporting shoe 22 passes through the bolt fastening with the first mounting 16 that sets up in wheel mould 9 one side, second supporting shoe 23 passes through the bolt fastening with the second mounting 17 that sets up at wheel mould 9 opposite side, during the use, through the cooperation of first mounting 16 and first supporting shoe 22 and second mounting 17 and second supporting shoe 23, fix the swan neck system on workstation 3, the stability of device use has been improved.

Supporting legs 24 are arranged below the workbench 3, flexible anti-slip pads are arranged on the portions, in contact with the ground, of the supporting legs 24, the stability of the workbench 3 can be improved through the flexible anti-slip pads, and the device can work better.

The arc end of the wheel mould 9 is provided with an angle scale 13 corresponding to the arc groove 14, the bending angle of the pipeline 4 can be conveniently observed and adjusted by a user through the angle scale 13, and the practicability of the device is improved.

The working principle of the embodiment is as follows: during the use, fix the device on workstation 3 through first mounting 16 and second mounting 17, fix pipeline 4 on back mould 10 through moulding-die 11 again, make pipeline 4 be located between gyro wheel 6 and the wheel mould 9 simultaneously, start hydraulic cylinder 8, make gyro wheel 6 be arc motion around loose axle 21, it is crooked to make pipeline 4 under gyro wheel 6 and the cooperation of wheel mould 9, but the bending angle of pipeline 4 is surveyd to convenient to use person through angle scale 13, the bending angle of pipeline 4 can conveniently be adjusted through the flexible volume of adjusting hydraulic cylinder 8, the practical function of device has been improved.

Example 2

In order to improve the bending effect of the device and facilitate the use of the pipe bending device, the present embodiment is further improved on the basis of embodiment 1, and the improvement is as follows: be equipped with waist type spout 20 on the first connecting plate 5, two be equipped with sliding shaft 25 between the first connecting plate 5, sliding shaft 25's both ends respectively with a waist type spout 20 sliding connection, sliding shaft 25 passes the axle center of gyro wheel 6, and sliding shaft 25 rotates with gyro wheel 6 to be connected, one side of first connecting plate 5 is equipped with adjusting bolt 19, adjusting

bolt

19 and 5 threaded connection of first connecting plate, and adjusting bolt 19's one end and sliding shaft 25 rotate to be connected, during the use, can adjust the position of sliding shaft 25 in waist type spout 20 through rotating adjusting bolt 19 to make the gyro wheel 6 can be better laminate with pipeline 4, improve the crooked effect of device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The pipe bending device convenient for angle adjustment comprises a pipe bending movable mechanism (1) and a pipe bending fixing mechanism (2), and is characterized in that the pipe bending movable mechanism (1) comprises a roller (6) and first connecting plates (5) symmetrically arranged on two sides of the roller (6), the roller (6) is rotatably connected with one end of each first connecting plate (5), and a movable shaft (21) is arranged between the other ends of the two first connecting plates (5); the bent pipe fixing mechanism (2) comprises a wheel mold (9) and a reverse mold (10), the wheel mold (9) is fan-shaped, one end, close to the circle center, of the wheel mold (9) is rotatably connected with the movable shaft (21), one side of the arc end of the wheel mold (9) is fixedly connected with the reverse mold (10), and a hydraulic cylinder (8) is arranged on the other side of the arc end of the wheel mold (9); grooves matched with the pipeline (4) are formed in the roller (6), the wheel die (9) and the reverse die (10);

the outer sides of the two first connecting plates (5) are respectively provided with a second connecting plate (12), one end of each second connecting plate (12) is rotatably connected with the first connecting plate (5), the other end of each second connecting plate is provided with a hydraulic cylinder connector (7), and two sides of each hydraulic cylinder connector (7) are respectively rotatably connected with one second connecting plate (12);

the one end and the pneumatic cylinder connector (7) of pneumatic cylinder (8) are connected, and the other end is connected with wheel mould (9), be equipped with moulding-die (11) on reverse mould (10), and be equipped with on moulding-die (11) and reverse mould (10) with fixed recess (15) of pipeline (4) adaptation, the circular arc section of wheel mould (9) is equipped with arc recess (14) with pipeline (4) adaptation, and the periphery of gyro wheel (6) is equipped with annular groove (18) of round and pipeline (4) adaptation.

2. The angle-adjustable pipe bending device according to claim 1, wherein a working table (3) is arranged below the pipe bending fixing mechanism (2), a first supporting block (22) and a second supporting block (23) are arranged on the working table (3), the first supporting block (22) is fixed to a first fixing member (16) arranged on one side of the wheel die (9) through a bolt, and the second supporting block (23) is fixed to a second fixing member (17) arranged on the other side of the wheel die (9) through a bolt.

3. The pipe bending device convenient for angle adjustment according to claim 2, wherein supporting legs (24) are arranged below the workbench (3), and the parts of the supporting legs (24) contacting with the ground are provided with flexible anti-skid pads.

4. The angle bending device convenient for angle adjustment according to claim 1, wherein the arc end of the wheel die (9) is provided with an angle scale (13) corresponding to the arc groove (14).

5. The pipe bending device convenient for angle adjustment according to claim 1, wherein the first connecting plates (5) are provided with waist-shaped sliding grooves (20), a sliding shaft (25) is arranged between two first connecting plates (5), two ends of the sliding shaft (25) are respectively connected with one waist-shaped sliding groove (20) in a sliding manner, the sliding shaft (25) passes through the axis of the roller (6), the sliding shaft (25) is rotatably connected with the roller (6), one side of the first connecting plate (5) is provided with an adjusting bolt (19), the adjusting bolt (19) is connected with the first connecting plate (5) in a threaded manner, and one end of the adjusting bolt (19) is rotatably connected with the sliding shaft (25).