A spinning heating mechanism and an ultra-long cylindrical part spinning forming device

Abstract

The application relates to the technical field of metal workpiece forming processing, and discloses a spinning heating mechanism and an ultra-long cylindrical workpiece spinning forming device. The spinning heating mechanism comprises a rack movably arranged along a first direction, a spinning assembly and a gas heating assembly which are mounted on the rack. The spinning assembly comprises at least two spinning structures which are distributed in a circumferential direction around an axial line of the workpiece. The gas heating assembly comprises at least one gas heating structure mounted on the rack and a cooling structure corresponding to the gas heating structure. The gas heating structure is used for heating the part of the workpiece opposite to the spinning structure. The spinning heating mechanism can stably heat the workpiece, enhances the heating stability of the workpiece, reduces the working strength of the workers, improves the working efficiency, improves the production efficiency, and is beneficial to industrial production.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal workpiece forming processing, in particular to a spinning heating mechanism and a super-long cylindrical workpiece spinning forming device. BACKGROUND

[0002] In the field of metal processing, many times need to heat the metal parts processing, such as some cylindrical workpiece spinning processing, before the workpiece spinning, need to heat the workpiece, heated to a certain temperature, only suitable for processing forming. At present, the workpiece heating processing in the factory relies on artificial holding heating tool to heat the workpiece to cooperate with the processing of the workpiece, but for aluminum alloy, titanium alloy and other materials and long pipe, the heating workload of the workers is very large, the work intensity will be very large, and because, there is not enough human control accuracy, will lead to unstable heating effect, is very unfavorable to industrial production, easy to lead to the problem of poor product quality stability in batch production. SUMMARY

[0003] The purpose of the present application is to provide a spinning heating mechanism and a super-long cylindrical workpiece spinning forming device, in which the gas heating assembly and the spinning heating assembly are arranged on the rack, the relative position of the heating assembly and the workpiece will not easily change during the heating process, the accuracy of the heating part alignment is high, the workpiece can be stably heated, the heating stability of the workpiece is enhanced, the heating effect is improved, and after the heating is completed and stopped, the workpiece can be directly spinning processed, which is beneficial to improve the workpiece forming effect, in addition, the workers do not need to manually hold the heating tool, which reduces the work intensity of the workers, improves the work safety of the workers, improves the work efficiency, thereby improves the production efficiency, and is beneficial to industrial production.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme:

[0005] A spinning heating mechanism applied to the spinning forming of a super-long cylindrical workpiece, comprising:

[0006] A rack movably arranged in a first direction, the first direction being parallel to the extension direction of the axis of the workpiece;

[0007] A spinning assembly mounted on the rack, the spinning assembly comprising at least two spinning structures distributed circumferentially around the axis of the workpiece, the spinning structures being used to apply pressure to the workpiece along the radial direction of the workpiece;

[0008] The gas heating assembly comprises at least one gas heating structure installed on the frame and a cooling structure corresponding to the gas heating structure and used for cooling the gas heating structure, the gas heating structure is used for being located at the circumferential side of the workpiece, the flame outlet of the gas heating structure is used for being directed towards the workpiece, and the gas heating structure is used for heating the part of the workpiece opposite to the spinning structure.

[0009] In the spinning heating mechanism, the gas heating assembly and the spinning heating assembly are arranged to move with the frame, the relative position between the heating assembly and the workpiece does not change easily during the heating process, the alignment precision of the heating part is high, the workpiece can be heated stably, the heating stability of the workpiece is enhanced, the heating effect is improved, after the heating is completed and stopped, the workpiece can be directly and quickly spun, the workpiece forming effect is improved, in addition, the staff does not need to manually hold the heating tool, the working strength of the staff is reduced, the working safety of the staff is improved, the working efficiency is improved, the production efficiency is improved, and the industrial production is facilitated.

[0010] Optionally, each gas heating structure comprises a heating torch, the heating torch comprises a gas pipe and a nozzle assembly connected to one end of the gas pipe, the nozzle assembly comprises at least one nozzle, and the jetting port of the nozzle constitutes the flame outlet.

[0011] The cooling structure surrounds the circumferential side of the heating torch, the cooling structure comprises a cooling cavity, the cooling cavity at least partially corresponds to the gas pipe, and the cooling cavity is used for flowing of a cooling liquid.

[0012] Optionally, the gas heating structure and the cooling structure are installed on the frame through a connecting seat, the connecting seat is fixedly connected with the frame, the gas heating structure is slidingly connected with the connecting seat, so that the flame outlet of the gas heating structure is away from or close to the workpiece in the radial direction of the workpiece.

[0013] Optionally, the gas heating assembly comprises at least two gas heating structures, and the at least two gas heating structures are arranged to be spaced apart in the circumferential direction around the axis of the workpiece.

[0014] Optionally, two gas heating assemblies are installed on the frame.

[0015] The spinning assembly comprises three spinning structures which are circumferentially spaced around the axial line of the workpiece, each of the spinning structures comprises a mounting frame fixed with the rack and a spinning wheel which is rotatably and radially movably mounted on the mounting frame around its own axial line, each of the gas heating structures is located in the interval between two adjacent spinning structures in the circumferential direction of the axial line of the workpiece, and the interval between two gas heating structures has the spinning structure.

[0016] Optionally, the spinning heating mechanism further comprises two guide rails which are parallelly arranged and extend along the first direction, and the rack is movably mounted on the two guide rails along the first direction.

[0017] Optionally, the spinning heating mechanism further comprises a driving mechanism, the driving mechanism comprises a screw rod which extends along the first direction, a nut structure which cooperates with the screw rod, and a driving assembly which is in driving connection with the screw rod and is used for driving the screw rod to rotate, and the nut structure is fixedly connected with the rack.

[0018] Optionally, the spinning heating mechanism further comprises a control system, the control system is in signal connection with the driving mechanism, the spinning assembly and the gas heating assembly.

[0019] Optionally, the spinning heating mechanism further comprises a temperature measuring device, the temperature measuring device comprises a temperature sensor which is mounted on the rack and is used for detecting the temperature of the workpiece, and the temperature sensor is in signal connection with the control system.

[0020] Optionally, the gas heating assembly further comprises a gas supply device which is used for supplying mixed gas to the gas heating structure.

[0021] The application further provides a spinning forming device for an ultra-long cylindrical workpiece, which comprises any one of the spinning heating mechanisms provided in the above technical solutions. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings constituting a part of the specification of the application are used to provide further understanding of the application, the illustrative embodiments of the application and the description thereof are used to explain the application, and do not constitute improper limitation on the application. Among them:

[0023] Figure 1 It is a top view structural schematic diagram of a spinning heating mechanism provided for the embodiment;

[0024] Figure 2 It is a side view structural schematic diagram of a spinning heating mechanism provided for the embodiment;

[0025] Figure 3Part structure schematic view of a gas heating assembly provided for the embodiment.

[0026] Figure: 1 - frame; 2 - spinning assembly; 3 - gas heating assembly; 4 - guide rail; 5 - workpiece; 6 - drag chain; 7 - support; 21 - spinning structure; 31 - gas heating structure; 32 - cooling structure; 33 - connecting seat; 211 - mounting frame; 212 - spinning wheel; 213 - adjusting block; 311 - gas pipe; 312 - nozzle; 321 - cooling cavity. DETAILED DESCRIPTION

[0027] The present application will be described in detail below with reference to the attached drawings and embodiments. Each example is provided by way of explanation of the present application, not limitation. In fact, those skilled in the art will appreciate that modifications and variations to the present application can be made without departing from the scope or spirit of the present application. For example, features shown or described as one embodiment can be used in another embodiment to produce yet another embodiment. It is, therefore, desired that the present application include such modifications and variations as come within the scope of the appended claims and their equivalents.

[0028] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application. The terms "connected", "connected", "provided" used in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be directly connected, or it can be indirectly connected through an intermediate part, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0029] As Figure 1 , Figure 2 and Figure 3As shown, the present application provides a spinning heating mechanism applied to spinning forming of an ultra-long cylindrical workpiece, wherein, for the convenience of description, the direction of the plane where the axis of the two guide rails is located is the horizontal direction, and the direction perpendicular to the horizontal direction is the vertical direction. The spinning heating mechanism in the embodiment comprises a rack 1, a spinning assembly 2 and a gas heating assembly 3; wherein the rack 1 is movably arranged along a first direction, the first direction being a direction in the horizontal direction, and the first direction being used to be parallel to the extension direction of the axis of the workpiece 5; the spinning assembly 2 is installed on the rack 1, and the spinning assembly 2 comprises at least two spinning structures 21 used to be distributed in the circumferential direction of the axis of the workpiece 5, and the spinning structures 21 are used to apply pressure to the workpiece 5 along the radial direction of the workpiece 5; the gas heating assembly 3 comprises at least one gas heating structure 31 installed on the rack 1, and a cooling structure 32 corresponding to the gas heating structure 31 and used to cool the gas heating structure 31, the gas heating structure 31 is used to be located on the circumferential side of the workpiece 5, and the fire outlet of the gas heating structure 31 is used to be directed to the workpiece, and the gas heating structure 31 is used to heat the part of the workpiece 5 opposite to the spinning structure 21.

[0030] When the spinning heating mechanism is applied to spinning heating of the ultra-long cylindrical workpiece, as shown in the figure, Figure 1As shown, the axial line of the workpiece is arranged along the first direction, and the frame 1 of the spinning heating mechanism can move along the first direction, the spinning structures 21 of the spinning assembly 2 are distributed around the circumference of the workpiece, and the gas heating structures 31 are also distributed in the circumferential direction of the workpiece, specifically, the gas heating structures 31 can be alternately and spacedly distributed with the spinning structures 21 in the same circumferential direction of the workpiece, wherein the spinning heating mechanism starts from one end of the workpiece, and the gas heating structures 31 can quickly heat the workpiece, for example, the heating temperature range of the workpiece during processing can be 350-750℃, and the cooling structure 32 is arranged around the gas heating structure 31 to enhance the cooling effect, so that the temperature of the gas heating structure 31 is not too high, and the service life of the gas heating structure 31 is guaranteed, and the gas heating structure 31 can work normally under continuous and high-frequency working conditions, which is beneficial to guarantee the heating effect, and the gas heating assembly and the cooling mechanism are detachably connected with the frame, which is convenient for maintenance and replacement of the gas heating assembly; after the workpiece is heated to the preset temperature, the spinning structure 21 can perform spinning processing on the workpiece, since the gas heating assembly 3 and the spinning assembly 2 are both mounted on the frame 1, and the frame 1 moves along the first direction, the workpiece can be processed in segments in the extension direction of the axial line of the workpiece, and each segment of the workpiece is heated and processed by spinning, which is very convenient. During the heating and spinning process, the gas heating assembly 3 is mounted on the frame 1, the frame 1 can move in the first direction, and can be stopped when moving to a processing position of the workpiece, and is stably supported at the processing position of the workpiece, the gas heating assembly 3 is stably located at the heating position, and the relative position between the gas heating assembly 3 and the workpiece will not easily change during the heating process, the accuracy of the alignment of the heating position is high, the workpiece can be stably heated, the heating stability of the workpiece is enhanced, the heating effect is improved, and after the heating is completed and stopped, the workpiece can be quickly and directly processed by spinning, which is beneficial to improve the forming effect of the workpiece. In addition, the worker only needs to monitor and observe the working state of the equipment, and does not need to manually hold the heating tool, thereby reducing the working intensity of the worker, improving the operation environment of the worker, improving the working safety of the worker, improving the working efficiency, thereby improving the production efficiency, and being beneficial to industrialized production.

[0031] In a possible implementation, as Figure 3As shown, each gas heating structure 31 comprises: a heating torch, the heating torch comprising a gas pipe 311, a nozzle assembly connected to one end of the gas pipe 311, the nozzle assembly comprising at least one nozzle 312, the jet port of the nozzle 312 constituting a flame port, the nozzle assembly further comprising a gas jet pipe, the nozzle 312 being mounted on the gas jet pipe, and each nozzle 312 being detachably connected with the gas jet pipe, facilitating replacement and maintenance of the nozzle 312; and a cooling structure 32 surrounding the side of the heating torch, the cooling structure 32 comprising a cooling cavity 321 corresponding at least partially to the gas pipe 311, the cooling cavity 321 being used for circulation of cooling liquid. The heating torch heats the workpiece, and the temperature of the surface of the workpiece can reach up to 750℃. Due to the high temperature of the workpiece heated by the heating torch, the cooling cavity 321 corresponds at least partially to the gas pipe 311, and a part of the cooling cavity 321 surrounds the gas pipe 311, and surrounds the entire gas pipe 311. In addition, a part of the cooling cavity 321 also corresponds to the gas jet pipe and is arranged near the gas jet pipe, which is conducive to enhancing the cooling effect of the whole heating torch, ensuring the normal work of the heating torch under continuous and high-frequency working conditions, and prolonging the service life of the heating torch. The cooling cavity 321 is used for circulation of cooling liquid, and the cooling cavity 321 is connected to a cooling liquid circulating device. Specifically, the cooling liquid circulating device can comprise a circulating pump, and the circulating pump is in communication with the cooling cavity, which is conducive to circulation of the cooling liquid in the cooling cavity and ensures the cooling effect.

[0032] Specifically, the above-mentioned gas heating assembly further comprises a gas supply device for supplying mixed gas to the gas heating structure. Specifically, the gas supply device can be connected to the gas pipe through an air pipe, and the air pipe is a flexible pipe, which is convenient to arrange. The gas supply device comprises an integrated gas supply cabinet, and the integrated gas supply cabinet comprises a plurality of pipelines, which can be five propane pipelines, two compressed air pipelines and two oxygen pipelines. The five propane pipelines, two compressed air pipelines and two oxygen pipelines are connected to the other end of the gas pipe through a multi-way pipe fitting connector. A gas regulating valve, a pressure gauge, a branch valve and a backfire preventer are arranged in each pipeline. The backfire preventer comprises safety devices such as a check valve, a flame arrestor and a thermal cut-off valve, which ensures the safety of each pipeline. A section of main pipeline is connected between the multi-way pipe fitting connector and the gas pipe, and a main valve is arranged on the main pipeline.

[0033] In order to ensure the safety of the operator, an automatic ignition system is arranged in the above-mentioned gas heating assembly. The automatic ignition system comprises an automatic ignition gun, and one automatic ignition gun is arranged for each heating torch. The ignition mode of the automatic ignition gun is indirect ignition secondary ignition, which can be ignited at one time within 5 seconds. The automatic ignition can be connected with a control system signal, and the control system controls the automatic ignition gun to ignite through remote control, so as to ensure that the heating torch can be normally ignited by the automatic ignition gun and the safety of ignition is ensured. Specifically, the automatic ignition gun is a high-voltage arc ignition gun, which adopts high-voltage arc ignition to ensure safe ignition.

[0034] To improve the safety of the work environment and ensure the neatness of work equipment, such as Figure 1 and Figure 2 As shown, a cable chain 6 is provided on one side of the frame 1. The cable chain 6 extends along the first direction. The end of the cable chain 6 connected to the combustion heating structure can be rolled up. The entire cable chain 6 can be rolled and bent, and has a certain bending performance. Some electrical pipes connecting the gas heating component 3 are installed in the cable chain 6 to ensure the neatness of the working environment and to protect the pipes in the equipment.

[0035] refer to Figure 2 As shown, in specific implementation, the gas heating structure 31 and the cooling structure 32 are installed on the frame 1 through the connecting seat 33. The connecting seat 33 is fixedly connected to the frame 1, and the gas heating structure 31 is slidably connected to the connecting seat 33. The gas heating structure 31 can move along the radial direction of the workpiece, so that the nozzle of the gas heating structure 31 moves away from or closer to the workpiece in the radial direction of the workpiece. This facilitates the adjustment of the heating distance of the gas heating structure 31 relative to the workpiece, and can be applied to the heating of workpieces with different wall thicknesses, so that workpieces with different wall thicknesses have a suitable processing distance and ensure good heating effect.

[0036] refer to Figure 2 As shown, in order to ensure a stable connection between the gas heating structure and the connecting seat, a locking structure is provided between the gas heating structure 31 and the connecting seat 33. When the gas heating structure 31 is moved, the locking structure is unlocked, and the gas heating structure 31 can be adjusted radially along the workpiece. When the gas heating structure 31 is adjusted relative to the connecting seat 33, the locking structure is locked, which can lock the gas heating structure 31 and the connecting seat 33 to each other, ensuring the stability of the gas heating structure on the frame, thereby ensuring heating stability.

[0037] Preferably, such as Figure 2 As shown, in the above-mentioned spinning heating mechanism, the gas heating component 3 includes at least two gas heating structures 31, which are circumferentially spaced around the axis of the workpiece. Providing at least two gas heating structures 31 to heat the workpiece helps to increase heating uniformity and improve heating efficiency.

[0038] As a specific implementation of gas heating components and spinning components, such as Figure 2As shown, two gas heating structures 31 can be installed on the rack 1; and three spinning structures 21 for circumferentially spaced distribution around the axial line of the workpiece are arranged in the spinning assembly 2, each of the spinning structures 21 comprises a mounting frame 211 fixed with the rack 1, and a spinning wheel 212 rotatably and radially movably mounted on the mounting frame 211 around its own axial line, specifically, the spinning wheel 212 is mounted on the mounting frame 211 through an adjusting block 213, wherein the adjusting block 213 is adjustably mounted on the mounting frame 211 along the radial direction of the workpiece, the spinning wheel 212 is rotatably mounted on the adjusting block 213 around its own axial line and is rotationally connected with the adjusting block 213, the adjusting block 213 can adjust the distance between the workpiece surface along the radial direction of the workpiece, and the workpiece can be heated at a suitable distance during spinning heating, which is beneficial to enhance the heating effect. For the distribution of the gas heating structure 31 and the spinning structure 21, in the circumferential direction of the axial line of the workpiece, each gas heating structure 31 is located in the interval between the adjacent two spinning structures 21, and the spinning structure 21 is located in the interval between the two gas heating structures 31. The spinning structure 21 and the gas heating structure 31 are alternately and spacedly distributed in the circumferential direction of the workpiece, which improves the rationality of the heating position and is beneficial to improve the heating effect. Specifically, the distribution of the spinning structure 21 can be set as: one above and two below, and the axial centers of the spinning wheels 212 of the three spinning structures 21 can form a triangle; two gas heating structures 31 are located above and are respectively located on both sides of the upper spinning structure 21, and the flame is injected obliquely downward from above toward the workpiece, which is beneficial to improve the machining safety.

[0039] Further, referring to Figure 1 and Figure 2 As shown, the above spinning heating mechanism further comprises two guide rails 4 extending in the first direction and arranged in parallel, the rack 1 is movably mounted on the two guide rails 4 along the first direction, and the arrangement direction of the two guide rails 4 is perpendicular to the first direction. Preferably, the bottom of the rack 1 is provided with two sliding grooves, the two sliding grooves are one-to-one corresponding and matched with the two guide rails 4 respectively, each sliding groove is slidingly matched with the corresponding guide rail 4, and the rack 1 can stably slide along the two guide rails 4. Exemplarily, the distance between the two guide rails 4 can be set as 800㎜, the lengths of the two guide rails 4 are the same, and the length of the guide rail 4 is set as 7000㎜.

[0040] In a possible implementation, the spinning heating mechanism further comprises a driving mechanism, the driving mechanism comprising a lead screw extending along the first direction, a nut structure matched with the lead screw, and a driving assembly in driving connection with the lead screw and configured to drive the lead screw to rotate, the nut structure being fixedly connected with the rack. The rack is in driving connection with the driving assembly through the lead screw mechanism, and the driving assembly can comprise a motor, the motor driving the lead screw to rotate, and the movement of the nut structure along the lead screw, the rack being fixedly connected with the nut structure, so that the rack moves along with the nut structure, wherein the lead screw mechanism is stable in driving, and the stability of the movement of the rack is improved. Preferably, the motor is in driving connection with the lead screw through a speed reducer, so as to ensure the stability of the rotation of the lead screw. For example, the motor can be a servo motor.

[0041] Specifically, the spinning heating mechanism further comprises a control system, the control system being in signal connection with the driving mechanism, the spinning assembly, and the gas heating assembly. The control system comprises a control panel, the control system being in signal connection with the spinning assembly and the gas heating assembly, and the degree of heating of the workpiece by the gas heating structure in the gas heating assembly can be controlled by operation on the control panel. The control system is in signal connection with the gas supply device, and the control system has an air delay-off function after the flame is extinguished, that is, the electromagnetic valve in the gas pipeline is closed first, and then the electromagnetic valve in the air pipeline is closed after the flame is extinguished, so that the generation of carbon deposits in the heating torch and the pipeline can be avoided. For example, the control system can specifically comprise a PLC control box, the control panel is arranged on the outside of the control box, the PLC control system is stable in operation, strong in reliability, and strong in anti-interference capability, and the control system is comprehensive in control and strong in adaptability, the control panel is a liquid crystal touch panel, and the operation is simple and the maintenance is convenient.

[0042] The spinning heating mechanism further comprises a temperature measuring device, the temperature measuring device comprising a temperature sensor installed on the rack and configured to detect the temperature of the workpiece, the temperature sensor being in signal connection with the control system. The temperature measuring device can detect the temperature of the workpiece, and the detected temperature signal can be sent to the control system, and the temperature information can be displayed on the display area of the control panel, so that the temperature of the workpiece can be monitored in real time when the workpiece is heated by the gas heating assembly, so that the workpiece can be spun when the preset temperature is reached, the processing quality is ensured, and the control system can control the gas heating assembly to stop heating according to the temperature information when the temperature sensor detects that the workpiece reaches the preset temperature, so that the gas heating assembly can be automatically turned off, and the control is convenient and rapid. For example, the combustion temperature sensor can be an infrared temperature sensor, which is high in detection accuracy and is conducive to ensuring the accuracy of the detection of the temperature of the workpiece.

[0043] Based on the same inventive concept, the embodiment also provides a spinning forming device for an ultra-long cylindrical part, which comprises any one of the spinning heating mechanisms provided in the above embodiments.

[0044] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and various changes and modifications can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spinning heating mechanism, applied to the spinning forming of ultra-long cylindrical workpieces, characterized in that, include: A frame movably disposed along a first direction, the first direction being parallel to the extension direction of the axis of the workpiece; Two guide rails extending in parallel along the first direction, and the frame is movably mounted on the two guide rails along the first direction; A spinning assembly mounted on the frame includes at least two spinning structures circumferentially spaced about the axis of the workpiece, the spinning structures being used to apply pressure to the workpiece radially. A gas heating assembly, comprising: at least one gas heating structure mounted on the frame, and a cooling structure corresponding to each gas heating structure and used to cool the gas heating structure, wherein the gas heating structure is located on the periphery of the workpiece, and the nozzle of the gas heating structure is directed toward the workpiece, and the gas heating structure is used to heat the portion of the workpiece opposite to the spinning structure; Each of the gas heating structures includes: a heating torch, the heating torch including a gas pipe and a nozzle assembly connected to one end of the gas pipe, the nozzle assembly including at least one nozzle, the nozzle's injection port forming the flame outlet; The cooling structure surrounds the periphery of the heating torch, and the cooling structure includes a cooling cavity, which at least partially corresponds to the gas pipe, and the cooling cavity is used for the flow of coolant. The gas heating structure and the cooling structure are mounted on the frame via a connecting seat. The connecting seat is fixedly connected to the frame, and the gas heating structure is slidably connected to the connecting seat, so that the nozzle of the gas heating structure is away from or close to the workpiece in the radial direction of the workpiece. The gas heating assembly includes two gas heating structures, which are circumferentially spaced around the axis of the workpiece. The spinning assembly includes three spinning structures circumferentially spaced around the axis of the workpiece. Each spinning structure includes a mounting frame fixed to the frame and a spinning wheel. The spinning wheel is rotatably mounted on the mounting frame about its own axis and radially movable along the workpiece. In the circumferential direction of the workpiece's axis, each gas heating structure is located within the interval between two adjacent spinning structures, and the spinning structure is present within the interval between two gas heating structures.

2. The spinning heating mechanism according to claim 1, characterized in that, It also includes a drive mechanism, which includes a lead screw extending along the first direction, a nut structure cooperating with the lead screw, and a drive assembly that is drively connected to the lead screw and used to drive the lead screw to rotate, wherein the nut structure is fixedly connected to the frame.

3. The spinning heating mechanism according to claim 2, characterized in that, The spinning heating mechanism also includes a control system, which is signal-connected to the drive mechanism, the spinning assembly, and the gas heating assembly.

4. The spinning heating mechanism according to claim 3, characterized in that, It also includes a temperature measuring device, which includes a temperature sensor mounted on the frame for detecting the temperature of the workpiece, and the temperature sensor is signal-connected to the control system.

5. The spinning heating mechanism according to claim 1, characterized in that, The gas heating assembly also includes a gas supply device for supplying mixed gas to the gas heating structure.

6. A spinning forming apparatus for ultra-long cylindrical parts, characterized in that, Includes the spinning heating mechanism as described in any one of claims 1-5.

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