Round pipe multi-radian bending device

By designing a multi-arc bending device for round tubes, and utilizing a combination of a rotating disc and a pressing fitting, the problems of inconsistent bending angles and low efficiency in round tube bending were solved, achieving multi-arc bending and high-efficiency bending quality.

CN223902683UActive Publication Date: 2026-02-13TIANNENG GRP JIANGSU SPECIAL POWER SUPPLY
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Patent Information

Application Number
CN202520586387.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-13
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing round tube bending operations suffer from problems such as inconsistent angles, inability to bend multiple arcs, low quality and efficiency, and high manual labor intensity.

Method used

A multi-arc bending device for circular tubes was designed. By combining a rotating disk and a pressing fitting, the circular tube can be bent to multiple arcs. The circular tube is fixed by a pressing model and a pin. The distance between the baffle of the pressing fitting and the circular tube is adjusted to ensure bending quality and efficiency.

Benefits of technology

This technology enables multi-arc bending of circular tubes, reducing manual labor intensity, improving bending quality and efficiency, and reducing defects at the bending points of circular tubes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-radian bending device for a round pipe. The multi-radian bending device comprises a mounting base, a fixing column, a rotating disc, a pipe pressing model, a pipe pressing piece, a handle, a plug pin hole and a plug pin. The fixing column is connected to the center of the top face of the mounting base, the rotating disc is rotationally connected to the lower portion of the fixing column, the pipe pressing model sleeves the fixing column through a protruding pin connected to the upper half portion of the fixing column, the pipe pressing part is connected to the edge of the top face of the rotating disc, and the handle is connected to the end, back to the fixing column, of the pipe pressing part. The bolts are movably connected into bolt holes which are equidistantly connected with the mounting base beside one circle of the rotating disc; compared with the prior art, the baffle of the pipe pressing part is right opposite to the side edges, with different radians, of the pipe pressing model by rotating the rotating disc, the to-be-bent part of the circular pipe is placed between the baffle and the pipe pressing model, and after the distance between the baffle and the side edges of the pipe pressing model is adjusted, the plug pin is used for blocking the main body part of the circular pipe; the rotating disc is rotated through the handle to enable the baffle to bend the round pipe, and bending of the round pipes with different diameters and various radians is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline bending technical field, especially a kind of round pipe multi-radian bending device. BACKGROUND

[0002] When installing equipment, pipeline or wiring in the production workshop of enterprise, in order to set space layout reasonably or optimize the path direction of production process and process requirement, it is often necessary to bend connecting pipeline, so that pipeline and equipment connected by pipeline can better adapt to the shape of operation space, more in line with production process and process requirement, avoid conflict between various production components or structures, and reduce the total length of pipeline, and in some process flows requiring connecting equipment of different heights or positions, effective connection between these equipments can be better realized by bending pipeline, to ensure smooth transmission of fluid or gas.

[0003] In the existing round pipe bending operation process, the operator generally manually bends round pipe using pipe bender and other tools, the angle of manually bent round pipe is not uniform, defects are prone to occur at the bending position of round pipe, and the quality and efficiency of round pipe bending are low, and manual labor intensity is large. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of round pipe multi-radian bending device, by pushing handle rotating rotary disc, adjusting the side edge of the pressure pipe piece that is connected with different arc radius on pressure pipe model is aligned, the position of the round pipe to be bent is aligned with the selected side edge of pressure pipe model, the operator adjusts the baffle connected with pressure pipe piece to limit the position of the round pipe to be bent between pressure pipe model and pressure pipe piece, connects the bolt on the nearest bolt hole on the other side of the round pipe relative to pressure pipe model, limits the position of the non-bending part of round pipe, pushes handle rotating rotary disc and pressure pipe piece, realizes the bending of specific radian to the position of the round pipe to be bent.

[0005] The utility model realizes by following technical scheme:

[0006] A kind of round pipe multi-radian bending device, including installation base, the top surface of installation base is connected with equidistant three fixed holes in proximity to edge position, the top surface of installation base is connected with fixed column in middle position, the lower part of fixed column is rotatably connected with disc-shaped rotary disc, pressure pipe model is sleeved in the fixed column of rotary disc upper side, the top surface edge of rotary disc is connected with two pressure pipe pieces with axis passing through fixed column center axis and perpendicular to each other, one end of one pressure pipe piece is connected with handle, rotary disc one round installation base top surface is vertically connected with bolt hole equidistantly, bolt hole is movably connected with bolt.

[0007] Further, the upper half of the fixed column is connected with pins protruding in four directions, and a hole vertically penetrates the middle of the top surface of the pipe pressing model, the cross-sectional shape of the hole is the same as that of the upper half of the fixed column.

[0008] Further, the pipe pressing model is a cuboid with a square top surface, and the four sides of the pipe pressing model are connected with circular arc chamfers with different radii.

[0009] Further, the pipe pressing part comprises a fixing part, a sliding block, a baffle, an adjusting bolt and a positioning part.

[0010] Further, the fixing part and the sliding block are U-shaped structures, the opening of the fixing part and the sliding block is opposite to the fixed column, the inner side of the fixing part is opposite to the outer side of the sliding block, the distance between the opposite surfaces of the inner side of the fixing part is equal to that of the outer side of the sliding block, the fixing part is connected to the edge of the top surface of the rotating disc, the sliding block is movably connected to the inner side of the fixing part, the height of the sliding block is greater than one tenth of the height of the fixing part, and the handle is perpendicular to the opening of the fixing part and is connected to one end of the fixing part close to the edge of the rotating disc.

[0011] Further, the baffle is connected to the top surface of the opening of the sliding block, the length of the baffle is equal to that of the top surface of the opening of the fixing part, the height of the baffle is equal to that of the fixed column, and an arc-shaped groove transverse to the fixed column is connected to the middle of the opposite surface of the baffle.

[0012] Further, a threaded hole perpendicular to the baffle is connected to the inner bottom surface of the fixing part above the handle, the adjusting bolt is connected to the threaded hole, the positioning part is a bolt with a nut connected to the top, the positioning part is vertically connected to the top surface of the rotating disc on the inner side of the sliding block, when the adjusting bolt is fully tightened, the distance between the end of the adjusting bolt and the positioning part is equal to the thickness of the sliding block, and the height of the positioning part is greater than that of the sliding block.

[0013] Further, the height of the plug-in pin is equal to the depth of the plug-in hole plus the height of the fixed column.

[0014] Compared with the prior art, the utility model has the following obvious advantages:

[0015] Firstly, the utility model is provided with a pipe pressing model sleeved on the fixed column above the rotating disc, the pipe pressing model is a cuboid with a square top surface, and the four sides of the pipe pressing model are connected with circular arc chamfers with different radii, when the pipe is bent, the side of the pipe pressing model facing the baffle of the pipe pressing part can be adjusted by rotating the rotating disc, so that the pipe can be bent into different radii according to production requirements, and when the bending radius of the pipe is small, the pipe can be sequentially bent from the large radius side to the small radius side of the pipe pressing model, so that the manpower can be saved and the risk of pipe breakage can be reduced.

[0016] The utility model discloses a kind of pipe bending device, including mounting base 1, fixed column 2, rotating disc 3, pipe model 4, pipe piece 5, handle 6, latch 7, pipe 8;In the embodiment, the top surface of mounting base 1 is close to edge position and is connected with equidistant three fixed holes 101, the top surface of mounting base 1 is connected with fixed column 2 in median position, the lower portion of fixed column 2 is rotatably connected with disc-shaped rotating disc 3, and the side surface of upper half of fixed column 2 is connected with four directions protruding pin;Pipe model 4 is the cuboid with square top surface, and the four side edges of pipe model 4 are connected with different radian size arc chamfer, and the top surface of pipe model 4 is vertically connected with hole in median position, and the cross-sectional shape of hole is same with the cross-sectional shape of upper half of fixed column 2, and pipe model 4 is sleeved on fixed column 2 above rotating disc 3.

[0017] Three, the utility model discloses because the arc-shaped recess of transverse is connected in median position on the side of pipe piece's baffle and pipe model opposite, when bending pipe, compared with ordinary plane, the contact of pipe in bending process and baffle is more close, limit pipe to slip out between baffle and pipe model because of extrusion force, and simultaneously, it plays the buffering effect to pipe bending deformation position, reduces the defect that pipe bending place is caused due to force area too small and leads to uneven force. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is structure schematic diagram of pipe piece.

[0020] Among them, the relationship between the reference signs and the corresponding names is as follows:

[0021] 1, mounting base, 101, fixed hole, 102, latch hole, 2, fixed column, 3, rotating disc, 4, pipe model, 5, pipe piece, 501, fixed part, 502, slider, 503, baffle, 504, adjusting bolt, 505, positioning part, 6, handle, 7, latch, 8, pipe. DETAILED DESCRIPTION

[0022] The utility model will be introduced in detail in combination with the drawings.

[0023] As Figure 1 And Figure 2 As shown in the utility model provides a kind of pipe multi-arc bending device, including mounting base 1, fixed column 2, rotating disc 3, pipe model 4, pipe piece 5, handle 6, latch 7, pipe 8;In the embodiment, the top surface of mounting base 1 is close to edge position and is connected with equidistant three fixed holes 101, the top surface of mounting base 1 is connected with fixed column 2 in median position, the lower portion of fixed column 2 is rotatably connected with disc-shaped rotating disc 3, and the side surface of upper half of fixed column 2 is connected with four directions protruding pin;Pipe model 4 is the cuboid with square top surface, and the four side edges of pipe model 4 are connected with different radian size arc chamfer, and the top surface of pipe model 4 is vertically connected with hole in median position, and the cross-sectional shape of hole is same with the cross-sectional shape of upper half of fixed column 2, and pipe model 4 is sleeved on fixed column 2 above rotating disc 3.

[0024] Two pieces of pipe pressing parts 5 are connected at the edge of the top surface of the rotating disc 3, the axes of the two pieces of pipe pressing parts 5 pass through the shaft in the fixed column 2 and are perpendicular to each other, the pipe pressing part 5 comprises a fixing part 501, a sliding block 502, a baffle 503, an adjusting bolt 504 and a positioning part 505, the fixing part 501 and the sliding block 502 are U-shaped structures, the openings of the fixing part 501 and the sliding block 502 are opposite to the fixed column 2, the inner side opposite surface interval of the fixing part 501 is equal to the outer side opposite surface interval of the sliding block 502, one opening side of the fixing part 501 is connected at the edge position of the top surface of the rotating disc 3, the sliding block 502 is movably connected at the inner side of the fixing part 501, the outer side of the sliding block 502 is opposite to the inner side of the fixing part 501, the height of the sliding block 502 is greater than one tenth of the height of the fixing part 501, a handle 6 is perpendicular to the opening of one fixing part 501 and is connected at one end of the fixing part 501 close to the edge of the rotating disc 3, the inner bottom surface of the fixing part 501 above the handle 6 is connected with a threaded hole perpendicular to the baffle 503, the adjusting bolt 504 is connected with the threaded hole; the positioning part 505 is a bolt with a nut connected at the top, the positioning part 505 is vertically connected at the top surface of the rotating disc 3 at the inner side of the sliding block 502, the height of the positioning part 505 is greater than the height of the sliding block 502, when the adjusting bolt 504 is completely screwed, the interval between the end of the adjusting bolt 504 and the positioning part 505 is equal to the thickness of the sliding block 502; the baffle 503 is connected at the top surface at the opening of the sliding block 502, the length of the baffle 503 is equal to the length of the top surface at the opening of the fixing part 501, the height of the baffle 503 is equal to the height of the fixed column 2, an arc-shaped transverse groove is connected at the central position on the surface opposite to the fixed column 2 of the baffle 503; a plurality of insertion pin holes 102 are vertically connected at equal intervals on the top surface of the mounting base 1 around the rotating disc 3, an insertion pin 7 is movably connected in the insertion pin hole 102, the height of the insertion pin 7 is equal to the depth of the insertion pin hole 102 plus the height of the fixed column 2.

[0025] The working principle of the utility model is as follows:

[0026] The utility model discloses a bending device for circular pipe, which comprises a fixed column 2, a rotating disc 3, a handle 6, a pressing pipe piece 5, a fixed piece 501, a slide block 502, a fixed hole 101, a fixed hole 102, a stopper 7, a positioning piece 505 and a nut.

[0027] For the circular pipe 8 with a smaller bending arc, the operator first pushes the handle 6 to rotate the rotating disc 3 on the fixed column 2, so that the baffle 503 of the pressing pipe piece 5 connected with the handle 6 is opposite to the vertical side of the pressing pipe model 4 with a larger arc than the required bending arc. The operator performs the bending operation on the circular pipe 8 as described above. The circular pipe 8 is bent by an angle of one third of the required bending angle. After the operator removes the preliminarily bent circular pipe 8, the operator pushes the handle 6 again to rotate the rotating disc 3, so that the baffle 503 is opposite to the vertical side of the pressing pipe model 4 with the required bending arc. The operator performs the bending operation on the circular pipe 8 as described above again, so that the circular pipe 8 is bent to the required bending angle, preventing the circular pipe 8 from being deformed too much at one time and causing defects at the bending position of the circular pipe 8.

[0028] The above-mentioned embodiments only illustrate the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A round pipe multi-radian bending device, comprising a mounting base (1), the top surface of the mounting base (1) is connected with three equidistant fixed holes (101) through the edge position, characterized in that: The top surface of the mounting base (1) is connected with a fixed column (2), the lower part of the fixed column (2) is rotatably connected with a disc-shaped rotating disc (3), the fixed column (2) above the rotating disc (3) is sleeved with a pressure pipe model (4), the top surface edge of the rotating disc (3) is connected with two pressure pipe pieces (5) whose axes pass through the central axis of the fixed column (2) and are perpendicular to each other, one end of the pressure pipe piece (5) away from the fixed column (2) is connected with a handle (6), the top surface of the mounting base (1) around the rotating disc (3) is vertically and equidistantly connected with a bolt hole (102), the bolt hole (102) is movably connected with a bolt (7).

2. A round tube multi-radian bending device according to claim 1, characterized in that: The upper half of the fixed column (2) is connected with pins protruding in four directions, the top surface of the pressure pipe model (4) is vertically and through connected with a hole, the cross-sectional shape of the hole is the same as that of the upper half of the fixed column (2).

3. A device for bending a pipe according to claim 1, characterized in that: The pressure pipe model (4) is a cuboid with a square top surface, four side edges of the pressure pipe model (4) are connected with circular arc chamfers with different radii.

4. A pipe multi-radian bending device according to claim 1, characterized in that: The pressure pipe piece (5) comprises a fixing piece (501), a sliding block (502), a baffle (503), an adjusting bolt (504) and a positioning piece (505).

5. A pipe multi-radian bending device according to claim 4, characterized in that: The fixing piece (501) and the sliding block (502) are U-shaped structures, the opening of the fixing piece (501) and the sliding block (502) is opposite to the fixed column (2), the inner side opposite surface interval of the fixing piece (501) is equal to that of the sliding block (502), the fixing piece (501) is connected at the top surface edge of the rotating disc (3), the sliding block (502) is movably connected at the inner side of the fixing piece (501), the height of the sliding block (502) is greater than one tenth of the height of the fixing piece (501), the handle (6) is perpendicular to the opening of the fixing piece (501) and is connected at one end of the fixing piece (501) close to the edge of the rotating disc (3).

6. A pipe multi-radian bending device according to claim 5, characterized in that: The baffle (503) is connected at the top surface of the opening of the sliding block (502), the length of the baffle (503) is equal to that of the top surface of the opening of the fixing piece (501), the height of the baffle (503) is equal to that of the fixed column (2), an arc-shaped groove transverse to the baffle (503) is connected at the middle position of the opposite surface of the baffle (503) to the fixed column (2).

7. A pipe multi-radian bending device according to claim 5, characterized in that: The inner bottom surface of the fixing piece (501) above the handle (6) is through connected with a threaded hole perpendicular to the baffle (503), the adjusting bolt (504) is connected with the threaded hole, the positioning piece (505) is a bolt with a nut connected at the top, the positioning piece (505) is vertically connected at the top surface of the rotating disc (3) at the inner side of the sliding block (502), when the adjusting bolt (504) is completely tightened, the interval between the end of the adjusting bolt (504) and the positioning piece (505) is equal to the thickness of the sliding block (502), the height of the positioning piece (505) is greater than that of the sliding block (502).

8. A pipe multi-radian bending device according to claim 1, characterized in that: The height of the bolt (7) is equal to the depth of the bolt hole (102) plus the height of the fixed column (2).