Pipe fitting torsion tool machine

By integrating heating, twisting, and cooling functions, the pipe twisting fixture solves the problems of low efficiency and insufficient precision in existing pipe twisting technologies, achieving efficient and precise pipe processing while reducing equipment costs and operational difficulty.

CN223761858UActive Publication Date: 2026-01-06NINGBO ZHENGYI PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520162663.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-06
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing pipe fitting torsion processing is inefficient and lacks precision, while automated equipment is complex in structure, expensive, and requires high stability in high-temperature environments.

Method used

Design a pipe twisting fixture that integrates heating, twisting, and cooling functions. It adopts a fixed chuck, a twisting chuck, a heating device, a cooling structure, and a control system. The clamping, heating, and twisting processes are automated through PLC control. It is also equipped with an angle gauge and a position sensor to achieve efficient and precise pipe twisting.

Benefits of technology

It significantly improves the efficiency and accuracy of pipe fitting torsion processing, simplifies equipment structure, reduces maintenance costs, extends chuck service life, and enhances operational convenience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a pipe fitting torsion tool machine. The pipe fitting torsion tool machine comprises a fixed chuck, a torsion chuck, a heating device, a cooling structure and other key components. The fixed chuck is used for clamping one end of a pipe fitting, the torsion chuck rotatably receives the other end of the pipe fitting, and the heating device evenly heats the pipe fitting and softens materials. The cooling structure is embedded into the chuck, and high-temperature deformation is prevented through circulating water cooling. According to the invention, the torsion processing flow of the pipe fitting is simplified, the equipment stability and the processing precision are improved, the maintenance cost is reduced, and remarkable technical progress and economic benefits are brought to the pipe fitting processing industry.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machining equipment, in particular to a high-efficiency and precise pipe twisting tooling machine for pipe twisting, which is particularly suitable for heating and twisting metal pipes to improve the performance of the pipes or meet specific shape requirements. BACKGROUND

[0002] Traditional pipe twisting processes rely on manual operation, which is inefficient and difficult to ensure accuracy. Existing automated twisting equipment is often complex in structure, high in cost, and requires high stability in high-temperature environments. Therefore, it is of great significance to develop a pipe twisting tooling machine that is simple in structure, easy to operate, can effectively control the twisting angle, and has good heat dissipation performance. SUMMARY

[0003] The purpose of the present application is to provide a pipe twisting tooling machine, which aims to solve the problems of low efficiency and insufficient accuracy in pipe twisting processing in the prior art, by integrating heating, twisting, cooling and other functions, to realize efficient and accurate twisting processing of pipes.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0005] A pipe twisting tooling machine, comprising a fixed chuck, a twisting chuck and a heating device; the fixed chuck is used to clamp the first end of the pipe, and the fixed chuck can clamp the pipe by manual, pneumatic or motor-driven means; the twisting chuck is used to receive and rotate the second end of the pipe, and the twisting chuck can clamp the pipe by manual, pneumatic or motor-driven means, and the twisting chuck is installed movably and can rotate under the drive of a driving member; the heating device is arranged between the fixed chuck and the twisting chuck, and is used to heat the part of the pipe to be twisted.

[0006] Further, the tooling machine further comprises cooling structures arranged on the fixed chuck and the twisting chuck respectively, for preventing the fixed chuck and the twisting chuck from deforming or being damaged due to high temperature.

[0007] Further, the cooling structure adopts a circulating water cooling structure, and a water cooling pipe is connected to each chuck to cool the fixed chuck and the twisting chuck.

[0008] Further, the heating device is a high-frequency electric heating device.

[0009] Further, a control system is further included, which is integrated with a PLC for controlling the automatic operation of clamping, heating and twisting processes.

[0010] Further, an angle gauge is further included for measuring and recording the torsion angle of the torsion chuck.

[0011] Further, a first limiting mechanism and a second limiting mechanism are further included for limiting the initial rotating position and the final rotating position of the torsion chuck, wherein the first limiting mechanism is fixedly installed, and the second limiting mechanism is movably installed.

[0012] Further, the fixed chuck and the torsion chuck are both equipped with a position sensor for monitoring the position state of the chuck in real time, so as to ensure the accuracy of the machining process.

[0013] Further, the control system supports remote monitoring and fault diagnosis functions.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The efficiency and precision of the pipe torsion machining are significantly improved, and the labor operation cost is reduced.

[0016] 2. The heating, torsion and cooling functions are integrated, so that the equipment structure is simplified, and the maintenance cost is reduced.

[0017] 3. The circulating water cooling structure effectively prolongs the service life of the chuck, improves the stability of the equipment, and also reduces the control difficulty and the number of parts.

[0018] 4. The remote monitoring and fault diagnosis functions improve the convenience and safety of operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figures 1-2 According to some embodiments of the present application, a structural schematic diagram of the pipe torsion tooling machine is shown;

[0020] Figure 3 According to some embodiments of the present application, a structural schematic diagram of the pipe torsion tooling machine in another direction is shown. DETAILED DESCRIPTION

[0021] The technical features and advantages of the present application will be described in more detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application can be more clearly and definitely defined.

[0022] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] The terms "first", "second", "third", etc. are used only for the purpose of description, and should not be understood as indicating or implying relative importance or indicating the importance of the technical features shown.

[0024] In addition, it should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-3 The pipe twisting tooling machine provided by the embodiment of the present application mainly consists of a fixed chuck 10, a twisting chuck 20, a heating device 30, a cooling structure, an angle gauge, a control system and a rack 50. The fixed chuck 10 and the twisting chuck 20 are respectively mounted on the rack 50 in a fixed and movable manner. The heating device 30 is arranged between the two chucks for heating the part of the pipe 60 being twisted. The cooling structure is embedded in the interior of the fixed chuck 10 and the movable chuck 20 for cooling the chucks to avoid high-temperature deformation or damage. The angle gauge is installed beside the twisting chuck 20 for detecting and recording the twisting angle. The control system is integrated in the operation panel or the remote terminal for automatically controlling the electrical elements to realize automatic processing.

[0026] The specific embodiments of the present application will be described in further detail below in combination with the drawings.

[0027] I. Fixed chuck 10

[0028] Structure: The fixed chuck 10 consists of a first clamping mechanism 11 and a first driving mechanism 12. The first clamping mechanism 11 can be a mechanical structure with multiple clamping jaws or blocks for firmly clamping one end of the pipe 60. The first driving mechanism 12 can be a manual lever, a pneumatic cylinder or a motor-driven screw, etc. for realizing the opening and closing action of the first clamping mechanism 11. The fixed chuck 10 is fixedly mounted.

[0029] Function: The first end of the pipe 60 is fixed to prevent the pipe 60 from moving or rotating during the twisting process.

[0030] II. Twisting chuck 20

[0031] Structure: the way that the torsion chuck 20 clamps the pipe 60 can be similar to the fixed chuck 10, consisting of a second clamping mechanism 21 and a second driving mechanism 22. The second clamping mechanism 21 can be a mechanical structure with multiple clamping jaws or blocks, used to firmly clamp the other end of the pipe 60. The second driving mechanism 22 can be a manual lever, a pneumatic cylinder, or a motor-driven lead screw, etc., used to realize the opening and closing action of the second clamping mechanism 21.

[0032] The torsion chuck 20 is designed to be rotatably mounted, and can be driven to rotate by the driving member 70, thereby driving the pipe 60 to twist. The surfaces of the fixed chuck 10 and the torsion chuck 20 can have grooves or protrusions matching the pipe 60 to better fix the pipe 60. Flexible buffers can also be provided between the chucks and the pipe 60 to avoid damaging the pipe 60 during clamping. The driving member 70 can be a manual turntable, an electric motor, or a hydraulic motor, used to provide rotary power.

[0033] Function: receive and rotate the second end of the pipe 60 to realize the twisting of the pipe 60.

[0034] In order to control the twisting angle, an angle gauge (not shown in the figure) can also be provided beside the torsion chuck 20. The angle gauge is usually a high-precision sensor, which can be integrated on the driving member 70 of the torsion chuck 20, or directly installed on the rack 50, to indirectly measure the twisting angle of the pipe 60 by measuring the rotation angle of the torsion chuck 20.

[0035] In order to control the rotation position of the driving member 70, a first limiting mechanism 72 and a second limiting mechanism 73 can be provided, respectively used to limit the initial rotation position and the final rotation position of the torsion chuck 20. The first limiting mechanism 72 / second limiting mechanism 73 can be a mechanical limit switch, a hydraulic or pneumatic limit valve, or an electronic limit sensor. They are usually connected to the driving member 70 of the torsion chuck 20, used to stop the rotation of the torsion chuck 20 when the preset angle is reached. Please refer to Figure 3 In this embodiment, the driving member 70 includes a manual handle 71, the first limiting mechanism 72 includes a fixedly installed stop rod, used to limit the initial rotation position of the manual handle 71, and the second limiting mechanism 72 includes a movably installed stop block, used to limit the final rotation position of the manual handle 71. A guide groove 73a is provided on the stop block, and a guide rail 51 matched with the guide groove 73a is provided on the rack 50. The stop block can slide along the guide rail 51, and is fixed by a locking nut 74. By adjusting the installation position of the second limiting mechanism 72, the rotatable amplitude of the manual handle 71 can be changed, thereby changing the rotation angle of the torsion chuck 20.

[0036] The fixed chuck 10 and the twist chuck 20 can also be equipped with position sensors for real-time monitoring of the position state of the chuck, ensuring the accuracy of the machining process. The position sensor can be an optical switch, a Hall sensor or a magnetostrictive sensor, etc., for real-time monitoring of the position state of the chuck. They can be installed on the driving mechanism of the chuck, or directly connected with the chuck.

[0037] III. Heating device 30

[0038] Structure: The heating device 30 can be a resistance heating wire, an induction heating coil or other forms of heating elements. These elements are usually evenly distributed in the space between the fixed chuck 10 and the twist chuck 20, ensuring uniform heating of the pipe 60. In this embodiment, the heating device 30 includes an electric heating ring 31 and a controller 32, the electric heating ring 31 is directly wound around the pipe 60, and the high-frequency electric heating of the electric heating ring 31 is realized through the controller 32.

[0039] Function: Heating the pipe 60 to soften the material and facilitate twisting.

[0040] IV. Cooling structure (not shown in the figure)

[0041] Structure: The cooling structure is designed as a circulating water cooling system, including a water cooling pipe, a water storage tank and a water pump and other components. The water cooling pipe is embedded in the inside of each jaw of the fixed chuck 10 and the twist chuck 20 in turn, forming a cooling channel, the water storage tank is used for storage of cooling water, and the water pump drives the circulation of cooling water.

[0042] Function: Prevents the fixed chuck 10 / twist chuck 20 from deforming or being damaged due to high temperature, and protects the equipment.

[0043] V. Control system (not shown in the figure)

[0044] Structure: The control system usually includes PLC (Programmable Logic Controller), touch screen, sensor interface, actuator interface and other components. The PLC as the core controller is responsible for receiving the input signal of the sensor, and controlling the action of the actuator according to the preset program. The touch screen is used for human-computer interaction, displaying the equipment state and parameter setting.

[0045] Structure: The remote monitoring and fault diagnosis function is usually realized through wired or wireless network connection. The PLC or other controllers in the control system can send the equipment state, running data, etc. to the remote server or client through the network. At the same time, the remote server or client can also send instructions to the control system to adjust parameters or diagnose faults.

[0046] Working principle:

[0047] 1, clamping process: the operator places the pipe 60 on the pipe clamping groove 40 to realize feeding, and then pushes it to the fixed chuck 10 and the twisting chuck 20, and then starts the fixed chuck 10 and the twisting chuck 20 by manual, pneumatic or motor driven mode to clamp both ends of the pipe 60.

[0048] 2, heating process: the heating device 30 is started, and the pipe 60 is uniformly heated according to the preset program, and the constant temperature state is maintained after reaching the predetermined temperature.

[0049] 3, twisting process: the installation position of the second limiting mechanism 73 is set according to the need, and it is retracted by the nut 74. The driving part 70 of the twisting chuck 20 is started, and the pipe is twisted according to the real-time monitoring data of the angle instrument according to the preset angle, and the first limiting mechanism 72 and the second limiting mechanism 73 ensure the accuracy of the twisting angle.

[0050] 4, cooling process: during the twisting process, the circulating water cooling structure continuously cools the fixed chuck 10 and the twisting chuck 20 to prevent the chuck from deforming or being damaged due to high temperature.

[0051] 5, end process: after the twisting is completed, the heating device 30 is turned off, the fixed chuck 10 and the twisting chuck 20 are loosened, and the operator takes out the processed pipe 60.

[0052] Use scheme:

[0053] 1, before operation, the heating temperature, twisting angle and other parameters are preset according to the processing requirements.

[0054] 2, the automatic processing flow is started through the control system, and the processing state is monitored throughout the process.

[0055] 3, after the processing is completed, the quality of the pipe 60 is checked, and the parameters are adjusted if necessary for the next round of processing.

[0056] The technical scheme of the present application provides a high-efficiency, accurate and reliable pipe twisting tool machine, which brings significant technical progress to the pipe processing industry.

[0057] In the description of the present application, the description of the terms "some embodiments", "some examples", "exemplarily", "example", "preferably" or "further" means that the specific features, structures, materials or characteristics described in combination with the examples or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0058] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A pipe twisting tool machine characterized by, The utility model relates to a pipe twisting device, comprising: a fixed chuck for clamping the first end of a pipe, which can clamp the pipe by manual, pneumatic or motor-driven means; a twisting chuck for receiving and rotating the second end of the pipe, which can clamp the pipe by manual, pneumatic or motor-driven means, and is movably installed to rotate under the drive of a driving member; a heating device arranged between the fixed chuck and the twisting chuck for heating the part of the pipe to be twisted.

2. The pipe twisting tool machine of claim 1, wherein, It also comprises cooling structures arranged on the fixed chuck and the twisting chuck respectively to prevent the fixed chuck and the twisting chuck from deforming or being damaged due to high temperature.

3. The pipe twisting tool machine of claim 2, wherein, The cooling structures adopt circulating water cooling structures, and each chuck is connected by a water cooling pipe to realize the cooling of the fixed chuck and the twisting chuck.

4. The pipe twisting machine of claim 1 wherein, The heating device is a high-frequency electric heating device.

5. The pipe twisting tool machine of claim 4, wherein, It also comprises a control system integrated with PLC for controlling the automatic operation of the clamping, heating and twisting processes.

6. The pipe twisting machine of claim 1, wherein, It also comprises an angle gauge for measuring and recording the twisting angle of the twisting chuck.

7. The pipe twisting machine of claim 6 wherein, It also comprises a first limiting mechanism and a second limiting mechanism for limiting the initial and final rotating positions of the twisting chuck, wherein the first limiting mechanism is fixedly installed, and the second limiting mechanism is movably installed.

8. The pipe twisting machine of claim 1, wherein, Both the fixed chuck and the twisting chuck are equipped with position sensors for real-time monitoring of the position state of the chucks to ensure the accuracy of the processing process.

9. The pipe twisting machine of claim 5 wherein, The control system supports remote monitoring and fault diagnosis functions.