Bending device based on U-shaped heating pipe

By designing an automated U-shaped heating tube bending device and using a pneumatic cylinder to drive the gear system to achieve 180° rotation of the tube body, the problems of low bending accuracy and efficiency of the U-shaped heating tube were solved, and efficient automated processing was achieved.

CN223312794UActive Publication Date: 2025-09-09QUANZHOU SANHENGXING ELECTRIC HEATING EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422144447.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-09-09
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The existing technology has problems with the bending process of U-shaped heating tubes, such as low precision, inconsistency and low efficiency. Traditional manual or semi-automatic equipment cannot meet the requirements.

Method used

An automated device consisting of a workbench, a feeding mechanism, a bending mechanism, and a limiting mechanism was designed. A pneumatic cylinder drives a rack and gear system to achieve 180° rotation of the tube between rollers, completing the automated bending of the U-shaped heating tube.

Benefits of technology

It achieves high-precision and automated bending of U-shaped heating tubes, improves processing efficiency, and is suitable for large-scale production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The bending device based on the U-shaped heating pipe comprises a workbench, a feeding mechanism, a bending mechanism and a limiting mechanism, the bending mechanism is installed on the workbench and comprises a first rolling wheel, a second rolling wheel, a supporting seat, a rotating shaft, a connecting support, a pneumatic cylinder, a driving gear and a driving rack, the supporting seat is installed on the workbench, and the rotating shaft is installed on the supporting seat. The rotating shaft is mounted in the supporting seat through a bearing; a feeding mechanism conveys a pipe body to be bent into a bending channel between a first roller and a second roller, the pipe body is limited by a limiting mechanism to enter a bending mechanism, a pneumatic cylinder drives a driving rack to move, and under driving of the driving rack, a driving gear drives a rotating shaft to rotate, so that the second roller on a connecting support rotates by 180 degrees around the first roller; the pipe body bending device is high in automation degree, good in bending effect and suitable for large-scale application and popularization.
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Description

Technical Field

[0001] The utility model relates to the field of bending equipment for U-shaped heating tubes, in particular to a bending device based on U-shaped heating tubes. Background Art

[0002] With the continuous development of industrial technology, heating tubes, as important heat energy conversion elements, have been widely used in various industrial equipment, household appliances, new energy vehicles and other fields. Among them, U-shaped heating tubes are particularly popular in situations where uniform heating is required due to their unique shape and efficient heat energy transfer performance. However, during the production and processing of U-shaped heating tubes, due to their specific shape requirements, bending processing has become a technical difficulty. Traditional heating tube bending processes are often carried out manually or with semi-automatic equipment. It is difficult to ensure the accuracy and consistency of the bending of the U-shaped heating tubes, and the processing efficiency is low. Therefore, providing a U-shaped heating tube bending device with a high degree of automation has become an urgent problem to be solved. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In order to solve the above problems in the prior art, the utility model provides a bending device based on a U-shaped heating tube.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0007] A bending device based on a U-shaped heating tube, comprising a workbench, a feeding mechanism, a bending mechanism and a limiting mechanism;

[0008] The bending mechanism is mounted on the workbench, and includes a first roller, a second roller, a support seat, a rotating shaft, a connecting bracket, a pneumatic cylinder, a driving gear, and a driving rack;

[0009] The support base is mounted on the workbench;

[0010] The rotating shaft is installed in the support seat through a bearing;

[0011] The rotating shaft is connected to the connecting bracket, the driving gear and the first roller in sequence from bottom to top;

[0012] The second roller is mounted on the top of the connecting bracket, and a bending channel is formed between the first roller and the second roller;

[0013] The feeding mechanism and the limiting mechanism are both mounted on the workbench, and the feeding mechanism is used to continuously convey the tube body into the bending mechanism;

[0014] The limiting mechanism is used to limit the tube body entering the bending channel, so that the bending mechanism bends the middle position of the tube body.

[0015] Preferably, annular limiting grooves are provided on the outer walls of the first roller and the second roller along their circumferences.

[0016] Preferably, the feeding mechanism includes a feeding bin, a feeding cylinder and a feeding push rod;

[0017] The silo is a rectangular silo with an opening at the top, and the tubes can be stacked in the storage space inside the silo;

[0018] Both ends of the bottom of the silo are provided with feeding holes corresponding to the bending channel;

[0019] The feeding push rod is installed in the feeding hole at the tail end of the silo and is connected to the feeding cylinder.

[0020] Preferably, the limiting mechanism includes a guide rail, a slider, a connecting rod and a baffle;

[0021] The guide rail is arranged on the workbench;

[0022] The slider is slidably mounted in the guide rail;

[0023] One end of the connecting rod is connected to the slider, and the other end of the connecting rod is connected to the baffle, which is arranged right in front of the bending channel.

[0024] Preferably, the guide rail is marked with length scale lines.

[0025] (3) Beneficial effects

[0026] The beneficial effect of the present invention is that: by adopting the above technical solution, the feeding mechanism transports the tube body to be bent into the bending channel between the first roller and the second roller, and enters the bending mechanism under the restriction of the limiting mechanism, the pneumatic cylinder drives the driving rack to move, and under the drive of the driving rack, the driving gear drives the rotating shaft to rotate, so that the second roller on the connecting bracket rotates 180° around the first roller, thereby realizing the rapid completion of the tube body and bending the tube body into a U-shaped tube. The present application has a high degree of automation and a good bending effect, and is suitable for large-scale promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the structure of a bending device based on a U-shaped heating tube Figure 1 ;

[0028] Figure 2 A schematic diagram of the structure of a bending device based on a U-shaped heating tube Figure 2 ;

[0029] Figure 3 It is a structural diagram of the feeding mechanism.

[0030] Description of reference numerals:

[0031] 1. Workbench;

[0032] 2. Bending mechanism;

[0033] 21. Pneumatic cylinder; 22. Driving rack; 23. First roller; 24. Second roller; 25. Driving gear; 26. Support base; 27. Connecting bracket;

[0034] 3. Feeding mechanism;

[0035] 31. Material bin; 32. Loading push rod; 33. Loading cylinder;

[0036] 4. Limiting mechanism;

[0037] 41. Guide rail; 42. Slider; 43. Connecting rod; 44. Baffle. DETAILED DESCRIPTION

[0038] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0039] Please refer to Figures 1 to 3 The utility model provides a bending device based on a U-shaped heating tube, comprising a workbench 1, a feeding mechanism 3, a bending mechanism 2 and a limiting mechanism 4;

[0040] The bending mechanism 2 is installed on the workbench 1 and includes a first roller 23, a second roller 24, a support base 26, a rotating shaft, a connecting bracket 27, a pneumatic cylinder 21, a driving gear 25 and a driving rack 22;

[0041] The support base 26 is installed on the workbench 1;

[0042] The rotating shaft is mounted in the support seat 26 via a bearing;

[0043] The rotating shaft is connected to the connecting bracket 27, the driving gear 25 and the first roller 23 in sequence from bottom to top;

[0044] The second roller 24 is installed on the top of the connecting bracket 27, and a bending channel is formed between the first roller 23 and the second roller 24;

[0045] The feeding mechanism 3 and the limiting mechanism 4 are both installed on the workbench 1. The feeding mechanism 3 is used to continuously convey the tube body into the bending mechanism 2;

[0046] The limiting mechanism 4 is used to limit the position of the tube body entering the bending channel, so that the bending mechanism 2 bends the middle position of the tube body;

[0047] During use, the feeding mechanism 3 transports the tube to be bent into the bending channel between the first roller 23 and the second roller 24, and enters the bending mechanism 2 under the restriction of the limiting mechanism 4. The pneumatic cylinder 21 drives the driving rack 22 to move. Under the drive of the driving rack 22, the driving gear 25 drives the rotating shaft to rotate, so that the second roller 24 on the connecting bracket 27 rotates 180° around the first roller 23, thereby realizing the rapid completion of the tube body and bending the tube body into a U-shaped tube. The present application has a high degree of automation and a good bending effect, and is suitable for large-scale promotion and use.

[0048] In this embodiment, annular limiting grooves are provided on the outer walls of the first roller 23 and the second roller 24 along their circumferences.

[0049] In this embodiment, the feeding mechanism 3 includes a feeding bin 31, a feeding cylinder 33 and a feeding push rod 32;

[0050] The silo 31 is a rectangular silo with an opening at the top, and the tubes can be stacked in the storage space inside the silo 31;

[0051] Both ends of the bottom of the silo 31 are provided with feeding holes corresponding to the bending channel;

[0052] The feeding push rod 32 is installed in the feeding hole at the rear of the silo 31 and is connected to the feeding cylinder 33;

[0053] During use, the feeding cylinder 33 drives the feeding push rod 32 to transport the tube body in the silo 31 toward the bending channel between the first roller 23 and the second roller 24, thereby realizing automatic feeding.

[0054] In this embodiment, the limiting mechanism 4 includes a guide rail 41, a slider 42, a connecting rod 43 and a baffle 44;

[0055] The guide rail 41 is provided on the workbench 1;

[0056] The slider 42 is slidably mounted in the guide rail 41;

[0057] One end of the connecting rod 43 is connected to the slider 42, and the other end of the connecting rod 43 is connected to the baffle 44. The baffle 44 is set in front of the bending channel. The guide rail 41 is marked with length scale lines.

[0058] During use, the position of the baffle 44 is adjusted by the slider 42 , and then the slider 42 is fixed to the guide rail 41 by bolt fixings, thereby meeting the bending requirements of tubes of different lengths.

[0059] The working principle of this utility model is as follows:

[0060] The feeding mechanism 3 transports the tube to be bent into the bending channel between the first roller 23 and the second roller 24, and enters the bending mechanism 2 under the restriction of the limiting mechanism 4. The pneumatic cylinder 21 drives the driving rack 22 to move. Under the drive of the driving rack 22, the driving gear 25 drives the rotating shaft to rotate, so that the second roller 24 on the connecting bracket 27 rotates 180° around the first roller 23, thereby realizing the rapid completion of the tube body and bending the tube body into a U-shaped tube. The present application has a high degree of automation and a good bending effect, and is suitable for large-scale promotion and use.

[0061] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0062] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

[0063] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A bending device based on a U-shaped heating tube, characterized in that: It includes a workbench, a loading mechanism, a bending mechanism and a limiting mechanism; The bending mechanism is mounted on the workbench, and includes a first roller, a second roller, a support seat, a rotating shaft, a connecting bracket, a pneumatic cylinder, a driving gear, and a driving rack; The support base is mounted on the workbench; The rotating shaft is installed in the support seat through a bearing; The rotating shaft is connected to the connecting bracket, the driving gear and the first roller in sequence from bottom to top; The second roller is mounted on the top of the connecting bracket, and a bending channel is formed between the first roller and the second roller; The feeding mechanism and the limiting mechanism are both mounted on the workbench, and the feeding mechanism is used to continuously convey the tube body into the bending mechanism; The limiting mechanism is used to limit the tube body entering the bending channel, so that the bending mechanism bends the middle position of the tube body.

2. A bending device based on a U-shaped heating tube according to claim 1, characterized in that: The outer walls of the first roller and the second roller are both provided with annular limiting grooves along their circumferences.

3. The bending device based on a U-shaped heating tube according to claim 1, characterized in that: The feeding mechanism includes a feeding bin, a feeding cylinder and a feeding push rod; The silo is a rectangular silo with an opening at the top, and the tubes can be stacked in the storage space inside the silo; Both ends of the bottom of the silo are provided with feeding holes corresponding to the bending channel; The feeding push rod is installed in the feeding hole at the tail end of the silo and is connected to the feeding cylinder.

4. The bending device based on a U-shaped heating tube according to claim 1, characterized in that: The limiting mechanism includes a guide rail, a slider, a connecting rod and a baffle; The guide rail is arranged on the workbench; The slider is slidably mounted in the guide rail; One end of the connecting rod is connected to the slider, and the other end of the connecting rod is connected to the baffle, which is arranged right in front of the bending channel.

5. The bending device based on a U-shaped heating tube according to claim 4, characterized in that: Length scale lines are engraved on the guide rail.