Universal copper pipe bending device

By designing a universal copper tube bending device, the separation structure of the roller and the bending die, and the cooperation of the scale, the problems of difficulty in removing the copper tube after bending and inaccurate measurement are solved, realizing rapid disassembly and efficient and accurate copper tube bending.

CN224208867UActive Publication Date: 2026-05-08JIANGYIN HEHONG SPECIAL MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGYIN HEHONG SPECIAL MATERIALS CO LTD
Filing Date
2025-06-05
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Copper tubes are difficult to remove after bending, which affects processing efficiency. Furthermore, the measurement of bending points is inaccurate, time-consuming, and easily obstructed.

Method used

Design a universal copper tube bending device that achieves rapid disassembly and accurate positioning by using a horizontal separation and lifting structure between the rollers and the bending die, combined with the use of a scale.

Benefits of technology

It improves the disassembly efficiency and accuracy of bending points in copper tube bending, saves time, and improves overall processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a universal copper pipe bending device which comprises a base, a filler strip is fixedly connected to the middle of the right side of the base, a graduated scale is arranged on the top of the filler strip in the left-right direction, a first cushion block is fixedly connected to the right side of the top of a bending die, and a second cushion block is fixedly connected to the left side of the top of the bending die. A driving motor and a shaft sleeve are fixedly embedded in the middle of the top side of the first cushion block and the middle of the top side of the second cushion block correspondingly, a speed reducer is assembled on the left side of the driving motor, a ring sleeve is fixedly connected to the outer side of the output end of the speed reducer, and an electric air cylinder is fixedly connected to the middle of the rear side of the ring sleeve; supporting rods are perpendicularly fixed to the output end of the rear side of the electric air cylinder in a crossed mode, rollers are fixedly connected to the outer sides of the bottom ends of the supporting rods, a copper pipe can be rapidly taken down after being bent, the dismounting time is saved, the overall process is accelerated, in addition, the bending point position of the copper pipe is visually measured, and the accuracy of copper pipe bending operation is improved.
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Description

Technical Field

[0001] This utility model relates to the field of copper pipe bending technology, and in particular to a general-purpose copper pipe bending device. Background Technology

[0002] The copper tubing used in magnetrons is a high-purity oxygen-free copper tube, also known as oxygen-free seamless copper tube, which requires extremely high technical expertise. It refers to a high-purity copper tube produced through a specific manufacturing process that effectively removes trace impurities from the copper during smelting, achieving a purity of over 99.95%. This type of copper tubing also contains extremely low oxygen content. Among metallic materials, it is favored for its high purity, excellent electrical and thermal conductivity, and wide range of applications. Its main applications include power transmission, electronic equipment manufacturing, thermal equipment, the chemical industry, and construction, among others.

[0003] The process requires the use of a bending machine to bend the copper tubes. Tube bending is a typical bending process, but it is not easy to remove the bent copper tubes, which is quite restrictive and time-consuming. When performing large-scale bending, it will affect the overall efficiency of the operation. In addition, when bending copper tubes, it is necessary to locate their inflection points. Therefore, it is necessary to measure and mark the points on the copper tubes before processing. This is time-consuming, and the marked points are easily obscured, affecting the accuracy of the bending points. Utility Model Content

[0004] The purpose of this invention is to provide a universal copper tube bending device that can horizontally separate and lift the rollers from the bending die, thereby enabling the copper tube to be quickly removed after bending, saving disassembly time and speeding up the overall process. In addition, it can intuitively measure the bending points of the copper tube, improving the accuracy of the copper tube bending operation.

[0005] To achieve the above objectives, a universal copper tube bending device is provided, comprising: a base, a support fixedly connected to the center of the top side of the base, a limiting slide cylinder horizontally fixedly connected to the top of the support in the left-right direction, a plurality of frame frames equidistantly mounted on the left side of the limiting slide cylinder, the bottom of each frame frame being fixedly connected to the base, positioning wheels symmetrically mounted on the inner side of each frame frame, the front and rear ends of each positioning wheel correspondingly extending into the inner wall of the frame frame and rotatably connected thereto, an oxygen-free copper tube rollingly engaging with the opposite side of each positioning wheel, a pad fixedly connected to the center of the right side of the base, a scale ruler provided on the top of the pad in the left-right direction, a servo motor mounted on the front right side of the limiting slide cylinder, the bottom of the servo motor being fitted and fixedly attached to the base, a bending die fixedly connected to the outer side of the top output end of the servo motor, and a bending die fixedly connected to the top right side of the bending die. A first pad is attached, and a second pad is fixedly connected to the top left side of the bending die. A drive motor and a bushing are respectively fitted and fixed to the top middle of the first and second pads. A reducer is mounted on the left side of the drive motor. The left output end of the reducer extends into the bushing and rotates with it. A ring is fixedly connected to the outer side of the output end of the reducer. An electric cylinder is fixedly connected to the middle of the rear side of the ring. A support rod is vertically and crosswise fixed to the rear output end of the electric cylinder. A roller is fixedly connected to the outer side of the bottom end of the support rod. By setting the drive motor, ring, and electric cylinder to horizontally separate and lift the roller from the bending die, the copper tube can be quickly removed after bending, saving disassembly time and speeding up the overall process. In addition, a pad strip and a scale are set to intuitively measure the bending point of the copper tube, improving the accuracy of the copper tube bending operation.

[0006] According to the general-purpose copper tube bending device, the axes of the roller, the bending die, and the oxygen-free copper tube are kept on the same horizontal plane, and the oxygen-free copper tube is located on the inner groove of the roller and the bending die, and rolls in cooperation with them. This ensures that the oxygen-free copper tube is stably engaged with both during bending, preventing it from falling off.

[0007] According to the aforementioned universal copper tube bending device, the scale is marked horizontally to the right from the center point of the bending die. This allows for rapid recording of the distance from the inflection point to the end of the copper tube.

[0008] According to the aforementioned universal copper tube bending device, a gap is reserved between the inner side of the limiting slide cylinder and the oxygen-free copper tube, and a soft brush is fitted around the gap to simply scrape off the dust adsorbed on the outer surface of the copper tube.

[0009] According to the general-purpose copper tube bending device, the base has several through-holes at its bottom corners, which facilitates the fixing and installation of the base.

[0010] According to the aforementioned universal copper tube bending device, a ring frame is provided on the outer side of the output end of the servo motor. The top of the ring frame is embedded in the inner wall of the bending die and is rotatably engaged. The bottom of the ring frame is fixedly connected to the main body of the servo motor. This auxiliary support ensures the bending die and its connecting structures remain horizontally stable.

[0011] The above-mentioned solution has the following beneficial effects:

[0012] In this invention, a drive motor, in conjunction with a ring and an electric cylinder, horizontally separates and lifts the rollers from the bending die, allowing for quick removal of the copper tube after bending, saving disassembly time and accelerating the overall process. Additionally, a pad and a graduated scale are provided to visually measure the bending points of the copper tube, improving the accuracy of the copper tube bending operation.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall schematic diagram of a general-purpose copper tube bending device according to the present invention;

[0016] Figure 2 This is a schematic diagram of the positioning wheel in a general-purpose copper tube bending device of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the servo motor and the bending die in a general-purpose copper tube bending device of this utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the drive motor and the ring sleeve in a general-purpose copper tube bending device of this utility model.

[0019] Legend:

[0020] 1. Base; 2. Support; 3. Limiting slide; 4. Frame; 5. Positioning wheel; 6. Oxygen-free copper pipe; 7. Pad strip; 8. Scale; 9. Servo motor; 10. Bending mold; 11. First pad block; 12. Second pad block; 13. Drive motor; 14. Bushing; 15. Ring sleeve; 16. Electric cylinder; 17. Support rod; 18. Roller; 19. Assembly hole. Detailed Implementation

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0022] Reference Figure 1-4 This utility model provides a universal copper tube bending device, including: a base 1, with several mounting holes 19 extending vertically through the bottom corners of the base 1; a support 2 fixedly connected to the top center of the base 1; a limiting slide cylinder 3 horizontally fixedly connected to the top of the support 2 in the left-right direction; several frame frames 4 equidistantly mounted on the left side of the limiting slide cylinder 3; the bottom of each frame frame 4 fixedly connected to the base 1; positioning wheels 5 symmetrically mounted vertically on the inner side of each frame frame 4; the front and rear ends of each positioning wheel 5 extending into the inner wall of the frame frame 4 and rotatably connected thereto; an oxygen-free copper tube 6 rollingly engaged on the opposite side of the positioning wheel 5; a gap reserved between the inner side of the limiting slide cylinder 3 and the oxygen-free copper tube 6; a bristle brush wrapped around the gap to position the oxygen-free copper tube 6 and ensure its straight output, while scraping away dust from its surface to maintain cleanliness.

[0023] A pad 7 is fixedly connected to the middle right side of the base 1. A scale 8 is provided on the top of the pad 7 in the left and right directions. The scale 8 marks the distance horizontally to the right from the axis point of the bending mold 10, so as to intuitively measure the bending point of the copper tube and improve the accuracy of the copper tube bending operation.

[0024] A servo motor 9 is mounted on the front right side of the limiting slide cylinder 3. The bottom of the servo motor 9 is fitted and fixed to the base 1. A bending mold 10 is fixedly connected to the outer side of the top output end of the servo motor 9. A ring frame is provided on the outer side of the output end of the servo motor 9. The top of the ring frame is embedded in the inner wall of the bending mold 10 and rotates. The bottom of the ring frame is fixedly connected to the main body of the servo motor 9. A first pad 11 is fixedly connected to the top right side of the bending mold 10. A second pad 12 is fixedly connected to the top left side of the bending mold 10. A drive motor 13 and a bushing 14 are respectively fitted and fixed to the middle of the top side of the first pad 11 and the second pad 12. A reducer is mounted on the left side of the drive motor 13. The left side of the reducer outputs... The output end extends into the bushing 14 and rotates with it. A ring 15 is fixedly connected to the outer side of the output end of the reducer. An electric cylinder 16 is fixedly connected to the middle of the rear side of the ring 15. A support rod 17 is vertically and crosswise fixed to the rear output end of the electric cylinder 16. A roller 18 is fixedly connected to the outer side of the bottom end of the support rod 17. The axes of the roller 18, the bending die 10 and the oxygen-free copper tube 6 are kept on the same horizontal plane. The oxygen-free copper tube 6 is located on the inner groove of the roller 18 and the bending die 10 and rolls with them. Based on the tube bending process, the roller 18 and the bending die 10 are horizontally separated and lifted, so that the oxygen-free copper tube 6 can be quickly removed after bending, saving disassembly time and speeding up the overall process.

[0025] Working principle: In this utility model, the copper tube is clamped and limited by the positioning wheel 5 and straightly guided into the inner groove of the bending die 10 along the inner side of the limiting slide cylinder 3. After being clamped by the roller 18, the bending die 10 and the roller 18 are driven by the servo motor 9 to bend the copper tube. The roller 18 is horizontally separated from the bending die 10 and lifted by the drive motor 13 in conjunction with the ring sleeve 15 and the electric cylinder 16. This allows the copper tube to be quickly removed after bending, saving disassembly time and speeding up the overall process. In addition, a pad 7 is provided in conjunction with the scale 8 to intuitively measure the bending point of the copper tube, improving the accuracy of the copper tube bending operation.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A general-purpose copper tube bending device, comprising: The base (1) is characterized in that a support (2) is fixedly connected to the middle of the top side of the base (1), and a limiting slide cylinder (3) is fixedly connected horizontally in the left and right directions at the top of the support (2). Several frame frames (4) are equidistantly mounted on the left side of the limiting slide cylinder (3). The bottom of each frame frame (4) is fixedly connected to the base (1). Positioning wheels (5) are symmetrically mounted on the inner side of each frame frame (4). The front and rear ends of each positioning wheel (5) are inserted into the inner wall of the frame frame (4) and rotatedly connected thereto. An oxygen-free copper tube (6) is rolled and fitted on the opposite side of the positioning wheel (5). A pad (7) is fixedly connected to the middle right side of the base (1), and a scale (8) is provided on the top left and right sides of the pad (7); A servo motor (9) is mounted on the front right side of the limiting slide cylinder (3). The bottom of the servo motor (9) is fitted and fixed to the base (1). A bending mold (10) is fixedly connected to the outer side of the top output end of the servo motor (9). A first pad (11) is fixedly connected to the top right side of the bending mold (10). A second pad (12) is fixedly connected to the top left side of the bending mold (10). A drive motor is fitted and fixed to the middle of the top side of the first pad (11) and the second pad (12). The drive motor (13) is equipped with a reducer on the left side. The left output end of the reducer extends into the bushing (14) and rotates with it. A ring sleeve (15) is fixedly connected to the outer side of the output end of the reducer. An electric cylinder (16) is fixedly connected to the middle of the rear side of the ring sleeve (15). A support rod (17) is vertically and crosswise fixed to the rear output end of the electric cylinder (16). A roller (18) is fixedly connected to the outer side of the bottom end of the support rod (17).

2. The universal copper tube bending device according to claim 1, characterized in that, The axes of the roller (18), the bending die (10) and the oxygen-free copper tube (6) are kept on the same horizontal plane, and the oxygen-free copper tube (6) is located on the inner groove opposite to the roller (18) and the bending die (10) and rolls with both.

3. The universal copper tube bending device according to claim 1, characterized in that, The scale (8) marks the distance horizontally to the right, starting from the center point of the bending mold (10).

4. The universal copper tube bending device according to claim 1, characterized in that, A gap is reserved between the inner side of the limiting slide cylinder (3) and the oxygen-free copper tube (6), and a fluff brush is attached around the gap.

5. A universal copper tube bending device according to claim 1, characterized in that, The base (1) has several assembly holes (19) that run vertically through the bottom corners.

6. A universal copper tube bending device according to claim 1, characterized in that, The outer side of the output end of the servo motor (9) is provided with a ring frame. The top of the ring frame is embedded in the inner wall of the bending mold (10) and rotates in coordination. The bottom of the ring frame is fixedly connected to the main body of the servo motor (9).