Intelligent anti-deformation machining device for thin-walled cylinder and using method of intelligent anti-deformation machining device

Abstract

The invention relates to the technical field of anti-deformation machining of thin-walled cylinders, and discloses an intelligent anti-deformation machining device for a thin-walled cylinder and a using method of the intelligent anti-deformation machining device. The device comprises a base, a supporting mechanism, a clamping height adjusting mechanism, a self-adaptive clamping mechanism and a positioning clamping head, the clamping height adjusting mechanism is arranged on the base, the supporting mechanism is arranged on the periphery of the clamping height adjusting mechanism, and the self-adaptive clamping mechanism is arranged on the clamping height adjusting mechanism and located above the supporting mechanism. A positioning clamping head is arranged on the self-adaptive clamping mechanism, and a displacement sensor and a pressure sensor are arranged on the self-adaptive clamping mechanism and the positioning clamping head respectively; according to the using method, the height of the self-adaptive clamping mechanism is adjusted through the clamping height adjusting mechanism, the thin-walled cylinder is fixed through the self-adaptive clamping mechanism and the positioning clamping head, and deformation and clamping force of the thin-walled cylinder are detected through the displacement sensor and the pressure sensor respectively. Deformation of the thin-walled cylinder in machining is effectively prevented.

Description

Technical Field

[0001] The invention relates to a device for preventing deformation during the processing of a thin-walled cylinder, and belongs to the technical field of processing thin-walled cylinders. Background Art

[0002] Thin-walled cylindrical parts are widely used in key fields such as aerospace, automobile manufacturing, and precision instruments due to their light weight and high strength. With the continuous improvement of product performance standards, the size of thin-walled cylindrical components has increased significantly, tending to adopt an integral structural design, and the wall thickness has gradually decreased. This trend has put forward higher requirements on the processing technology of thin-walled cylindrical integral components, especially in ensuring high-quality and efficient processing.

[0003] However, thin-walled cylindrical parts are very prone to deformation during the outer surface processing process. This deformation will seriously affect the dimensional accuracy and shape accuracy of the parts, thereby reducing the quality of the final product.

[0004] At present, in traditional processing methods, rigid tooling is mostly used to fix thin-walled cylinders. Although this fixing method can control deformation to a certain extent, it often causes local deformation of parts due to uneven distribution of clamping force. In addition, rigid tooling lacks flexibility and cannot be adjusted in real time according to the actual deformation of the parts during processing, making it difficult to achieve accurate deformation control.

[0005] In order to overcome this problem, some companies try to heat treat thin-walled cylinders before processing to optimize material properties, or use prestressing technology to suppress deformation during processing. For example, CN115716213A discloses "A thin-walled cylindrical barrel parts clamping device and method", CN114147314A discloses "A metal thin-walled cylinder hot processing anti-deformation flexible tooling structure", and CN220863326U discloses "Positioning and clamping tooling for thin-walled cylindrical parts". However, these methods have many limitations in practical applications, such as the complexity of the heat treatment process and the difficulty of prestressing control, which limits their scope of application and effect.

[0006] In view of the shortcomings of existing technologies in preventing and controlling machining deformation of thin-walled cylinder outer surfaces, it is particularly urgent and important to develop a new type of adaptive anti-machining deformation tooling. Summary of the invention

[0007] Aiming at the deformation problem existing in the existing thin-walled cylinder workpiece processing technology, the present invention provides an intelligent anti-deformation processing device for thin-walled cylinders which ensures the stability of the thin-walled cylinders during processing and effectively reduces deformation, and also provides a method for using the device.

[0008] The intelligent anti-deformation processing device for thin-walled cylinders of the present invention adopts the following technical solutions.

[0009] The device comprises a base, a support mechanism, a clamping height adjustment mechanism, an adaptive clamping mechanism, a positioning clamping head, a displacement sensor and a pressure sensor; the clamping height adjustment mechanism is arranged on the base, a support mechanism is arranged on the base at the periphery of the clamping height adjustment mechanism, the adaptive clamping mechanism is arranged on the clamping height adjustment mechanism and is located above the support mechanism, a positioning clamping head is arranged on the adaptive clamping mechanism, the displacement sensor is arranged on the adaptive clamping mechanism, and the pressure sensor is arranged in the positioning clamping head. A thin-walled cylinder is placed on the support mechanism, the height of the adaptive clamping mechanism is adjusted by the clamping height adjustment mechanism, the thin-walled cylinder is positioned and fixed by the adaptive clamping mechanism and the positioning clamping head, the displacement sensor detects the deformation of the thin-walled cylinder, and the pressure sensor detects the clamping force of the thin-walled cylinder.

[0010] The base is provided with a cavity serving as an oil tank inside, and an oil inlet and an oil outlet are provided on the side of the base.

[0011] The support mechanism is evenly distributed on the base at the periphery of the clamping height adjustment mechanism. The number of the support mechanism can be determined according to the specific situation, and 3-8 are appropriate. The support mechanism includes a pushing mechanism and a support block, and the support block is connected to the power output end of the pushing mechanism. The pushing mechanism adopts a hydraulic cylinder, including a supporting hydraulic cylinder and a supporting hydraulic rod. The supporting hydraulic cylinder is fixedly connected to the base (in a horizontal state), and the supporting hydraulic rod is installed in the supporting hydraulic cylinder and extends out of the supporting hydraulic cylinder. The outer end of the supporting hydraulic rod extending out of the supporting hydraulic cylinder is provided with an anti-slip support surface for placing a thin-walled cylinder to ensure that the bottom surface of the thin-walled cylinder is firmly placed.

[0012] The clamping height adjustment mechanism is provided with at least one group (preferably 1-6 groups), and each group is equipped with a set of adaptive clamping mechanism. The clamping height adjustment mechanism adopts a hydraulic cylinder, and the hydraulic cylinder is a multi-stage hydraulic cylinder (in the prior art, it is composed of two or more hydraulic rods), and each stage of the hydraulic rod is equipped with a set of adaptive clamping mechanism. Through the telescopic adjustment of each stage of the hydraulic rod, the adaptive clamping mechanism on it is at a suitable height, so as to achieve better clamping of the thin-walled sleeve.

[0013] The adaptive clamping mechanism includes a support frame and a telescopic mechanism. The support frame is mounted on the clamping height adjustment mechanism, and the telescopic mechanism is mounted on the support frame. The support frame is mounted on the power output end of the clamping height adjustment mechanism and is rotatable. The telescopic mechanism includes a push arm, a long arm and a short arm. There are two push arms, two long arms and two short arms. One end of the two push arms is hinged together through a push arm hinge shaft. The upper part of the push arm hinge shaft is provided with a gear. The other ends of the two push arms are respectively hinged to one end of the two long arms, and the two long arms are hinged to each other through the long arm hinge shaft. The other ends of the two long arms are respectively hinged to one end of the two short arms, and the other ends of the two short arms are hinged together through the short arm hinge shaft. The gear on the push arm hinge shaft is meshed with the rack, and the rack is fixedly mounted on the support frame. The push arm hinge shaft is inserted into the telescopic limit long hole in the support frame and is connected to a motor. The long arm hinge shaft is mounted on the telescopic fixing hole in the support frame. The motor drives the gear to rotate, and under the action of the rack, the push arm hinge shaft moves in the telescopic limit long hole, and the two push arms drive the two long arms to open and close, and the two short arms follow the opening and closing of the long arms to achieve retraction or extension.

[0014] The positioning chuck includes a connecting rod and a self-adjusting support head, one end of the connecting rod is hinged to the telescopic mechanism (specifically, the two short arms in the telescopic mechanism are hinged together through the short arm hinge shaft), and the self-adjusting support head is hinged to the connecting rod. The self-adjusting support head is connected to the connecting rod through a ball joint to ensure that the self-adjusting support head can rotate 360 ​​degrees.

[0015] The displacement sensor adopts a laser displacement sensor, which is installed on the adaptive clamping mechanism (specifically, on the support frame of the adaptive clamping mechanism). The distance measuring position is at the upper end of the positioning clamping head, and is used to monitor in real time whether the inner wall support of the thin-walled cylinder is deformed.

[0016] The pressure sensor is installed in the positioning chuck (specifically inside the self-adjusting support head), and the pressure measuring surface of the pressure sensor is located outside the self-adjusting support head in the positioning chuck, and is used to monitor the pressure value at the support in real time.

[0017] The method for using the above device comprises the following steps: (1) Fix the base to the machine tool, adjust the clamping height adjustment mechanism to the lowest state, adjust the telescopic mechanism in the adaptive clamping mechanism to the contracted state, and retract the positioning clamping head; (2) Extend the support blocks in each support mechanism and hoist the thin-walled cylinder onto the support blocks in each support mechanism; (3) Determine the clamping height according to the height of the thin-walled cylinder and the processing position, and adjust the adaptive clamping mechanism to the clamping height through the clamping height adjustment mechanism; (4) Setting a limit value of the pressure sensor, extending the positioning clamping head through the telescopic mechanism in the adaptive clamping mechanism, making the pressure sensor in the positioning clamping head contact with the inner surface of the thin-walled cylinder, and detecting the contact pressure. When the detected pressure value reaches the limit value, the telescopic mechanism in the adaptive clamping mechanism stops running, and the clamping of the thin-walled cylinder is completed; (5) The displacement sensor uses the distance from the inner surface of the thin-walled cylinder before processing as the reference value and monitors the distance change in real time. If the monitored distance changes, it indicates that the thin-walled cylinder has deformed. When the distance change exceeds the allowable error range, the telescopic mechanism in the adaptive clamping mechanism is used to correct the distance change, keeping the distance change within the allowable error range, thereby realizing real-time deformation correction of the thin-walled cylinder during the entire processing process.

[0018] When the processing is completed, each mechanism is controlled to return to its original position and the processed workpiece is disassembled.

[0019] The present invention ensures the stability of thin-walled cylinders during processing through intelligent support force adjustment, reduces quality problems caused by deformation, and improves the scope of application of tooling through modular design, which can quickly adapt to thin-walled cylinders of different sizes and shapes; in addition, the present invention realizes automatic monitoring and adaptive adjustment of deformation during thin-walled cylinder processing, greatly improving processing accuracy. The design and application of this device is expected to significantly improve the processing accuracy of thin-walled cylindrical parts, while reducing production costs, which has far-reaching significance for improving the level of the entire manufacturing industry.

[0020] Compared with the prior art, the present invention has the following advantages and positive effects: (1) A multi-layer clamping mechanism is set up to effectively resist the forces generated during the processing. Adjustable pressure is used for flexible clamping, and real-time monitoring and control of deformation correction are used to ensure that the thin-walled cylinder maintains high-precision dimensions during the processing, reducing dimensional errors caused by deformation and improving product reliability.

[0021] (2) The use of hydraulic and electronic control systems can quickly and accurately clamp thin-walled cylinders, simplifying the processing process, reducing multiple clamping and adjustment links, improving production efficiency, shortening production cycles, and reducing labor costs.

[0022] (3) Adaptive adjustment can be made according to the size and shape of the thin-walled cylinder, and it can be quickly adjusted to meet various processing requirements. There is no need to design tooling separately for each specification of cylinder, which improves the versatility of the tooling and reduces production preparation time and mold change costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the intelligent anti-deformation processing device for thin-walled cylinders of the present invention.

[0024] Figure 2 It is a schematic diagram of the base structure in the present invention.

[0025] Figure 3 It is a structural schematic diagram of the adaptive clamping mechanism in the present invention.

[0026] Figure 4 It is a structural schematic diagram of the support frame in the present invention.

[0027] Figure 5 It is a structural schematic diagram of the telescopic mechanism in the present invention.

[0028] In the figure: 1. base, 2. support mechanism, 3. clamping height adjustment mechanism, 4. adaptive clamping mechanism, 5. positioning clamping head, 6. displacement sensor, 7. pressure sensor; 11. Oil tank, 12. Bolt connector, 13 hydraulic cylinder support block, 14 oil inlet, 15 oil outlet; 21. Support hydraulic cylinder, 22. Support hydraulic rod, 23. Anti-slip support surface; 31. Height hydraulic cylinder, 32. First-level hydraulic rod, 33. Second-level hydraulic rod; 41. Connecting seat, 42. Support frame, 43. Telescopic limit long hole, 44. Telescopic fixing hole, 45. Telescopic mechanism, 46. Long arm hinge shaft, 47. Push arm hinge shaft, 48. Rack, 49. Gear, 410. Push arm, 411. Long arm, 412. Short arm, 413. Short arm hinge shaft; 51. Connecting rod, 52. Self-adjusting support head. DETAILED DESCRIPTION

[0029] The intelligent anti-deformation processing device for thin-walled cylinders of the present invention is as follows: Figure 1 As shown, it includes a base 1, a support mechanism 2, a clamping height adjustment mechanism 3, an adaptive clamping mechanism 4, a positioning clamping head 5, a displacement sensor 6 and a pressure sensor 7. The clamping height adjustment mechanism 3 is arranged on the base 1, and the base 1 is provided with a horizontally arranged support mechanism 2 distributed around the clamping height adjustment mechanism 3, and the adaptive clamping mechanism 4 is arranged on the clamping height adjustment mechanism 3 and is above the support mechanism 2. The adaptive clamping mechanism 4 is provided with a positioning clamping head 5. The displacement sensor is arranged on the adaptive clamping mechanism 4. The pressure sensor 7 is arranged in the positioning clamping head 5. The support mechanism 2 is used to place the thin-walled cylinder, the clamping height adjustment mechanism 3 is used to adjust the height of the adaptive clamping mechanism 4, the adaptive clamping mechanism 4 and the positioning clamping head 5 are used to position and fix the thin-walled cylinder, the displacement sensor 6 is used to detect the deformation of the thin-walled cylinder, and the pressure sensor 7 is used to detect the clamping force of the thin-walled cylinder.

[0030] The base 1 adopts an oil tank structure, which is both a supporting component and a hydraulic oil supply system. Figure 1and Figure 2 The base 1 includes an oil tank 11 and an oil supply system arranged on the oil tank 11. The oil tank 11 is provided with a bolt connector 12, a hydraulic cylinder support block 13, an oil inlet 14 and an oil outlet 15. The oil supply system is a prior art, including an oil pump, an oil supply valve (check valve) and an oil circuit. The hydraulic actuator (hydraulic cylinder) is controlled by the oil tank and the oil supply system to complete the telescopic movement. A bolt connector 12 is provided at the bottom of the oil tank 11, and the entire tooling can be fixed to the machine tool by bolts. An oil inlet 14 and an oil outlet 15 are provided on the surface of the oil tank 11. The oil outlet 15 is connected to the oil pump, and the oil pump is connected to the oil outlet pipeline through the oil supply valve, so that the hydraulic oil enters the corresponding actuator (hydraulic cylinder). The oil inlet 14 is connected to the corresponding oil return pipeline, so that the hydraulic oil flows back from the hydraulic actuator into the oil tank 11. A hydraulic cylinder support block 13 is provided on the upper surface of the oil tank 11 for fixing and installing the support mechanism 2.

[0031] The support mechanisms 2 are evenly distributed horizontally around the height hydraulic cylinder 31 of the clamping height adjustment mechanism 3, or are directly arranged on the height hydraulic cylinder 31 of the clamping height adjustment mechanism 3. The number of support mechanisms 2 can be determined according to the specific situation, preferably 3-8. Figure 1 and Figure 2 The support mechanism 2 includes a support hydraulic cylinder 21 and a support hydraulic rod 22. The support hydraulic cylinder 21 is fixedly connected to the hydraulic cylinder support block 13 in the base 1 (can be welded as one body). The support hydraulic rod 22 is installed in the support hydraulic cylinder 21 to form a hydraulic actuator (hydraulic cylinder). Under the action of the oil supply system, the support hydraulic rod 22 extends or retracts in the support hydraulic cylinder 21 to complete the telescopic movement. The outer end of the support hydraulic rod 22 extending out of the support hydraulic cylinder 21 is processed with an anti-slip support surface 23, which is used to place the thin-walled cylinder to ensure that the bottom surface of the thin-walled cylinder is firmly placed.

[0032] See also Figure 2 The clamping height adjustment mechanism 3 is composed of a height hydraulic cylinder 31, a primary hydraulic rod 32 and a secondary hydraulic rod 33. The height hydraulic cylinder 31 is fixed to the upper part of the oil tank 11 in the base 1 (can be connected by welding), the primary hydraulic rod 32 is installed in the height hydraulic cylinder 31 and extends out of the primary hydraulic rod 32, the primary hydraulic rod 32 is a thick-walled hollow rod, and the secondary hydraulic rod 33 is sleeved in the primary hydraulic rod 32 and extends out of the primary hydraulic rod 32, and can move in the primary hydraulic rod 32. Through the oil supply system, the primary hydraulic rod 32 is extended or retracted in the height hydraulic cylinder 31 under the push of hydraulic oil, and the secondary hydraulic rod 33 is extended or retracted in the primary hydraulic rod 32 at the same time, and the adaptive clamping mechanism 4 is raised and lowered through the secondary hydraulic actuator to achieve the height adjustment of the adaptive clamping mechanism 4.

[0033] The adaptive clamping mechanism 4 is provided with two sets, the lower set of adaptive clamping mechanism is connected to one end of the primary hydraulic rod 32 extending out of the height hydraulic cylinder 31, and the upper set of adaptive clamping mechanism is connected to one end of the secondary hydraulic rod 33 extending out of the primary hydraulic rod 32. Figure 3 and Figure 4 The adaptive clamping mechanism 4 includes a connecting seat 41, a support frame 42 and a telescopic mechanism 45. The connecting seat 41 is a cylinder, and its outer cylindrical surface is mounted on the support frame 42 through a bearing to ensure that the support frame 42 can rotate around the axis of the cylinder. The inner hole of the connecting seat 41 is used to be mounted on the primary hydraulic rod 32 or the secondary hydraulic rod 33. The telescopic mechanism 45 is mounted on the support frame 42, see Figure 4 The upper and lower surfaces of the support frame 42 are respectively processed with telescopic fixing holes 44 for installing the telescopic mechanism 45, and telescopic limiting long holes 43 for limiting the operation of the telescopic mechanism 45.

[0034] The structure of the telescopic mechanism 45 is as follows: Figure 5 As shown, it includes a push arm 410, a long arm 411 and a short arm 412, and there are two push arms 410, two long arms 411 and two short arms 412. One end of the two push arms 410 is hinged together through a push arm hinge shaft 47, and the upper part of the push arm hinge shaft 47 is provided with a gear 49. The other ends of the two push arms 410 are respectively hinged to one end of the two long arms 411. The two long arms 411 are hinged through a long arm hinge shaft 46. The other ends of the two long arms 411 are respectively hinged to one end of the two short arms 412. The other ends of the two short arms 412 and the connecting rod 51 in the positioning chuck 5 are hinged together through a short arm hinge shaft 413. The gear 49 on the push arm hinge shaft 47 is meshed with the rack 48, and the rack 48 is fixedly mounted on the support frame 42 (see Figure 4 ). The push arm hinge shaft 47 is inserted into the telescopic limit long hole 43, and its lower part is connected to a motor, which can move in the telescopic limit long hole 43 to constrain the movement. The long arm hinge shaft 46 is connected to the support frame 42 through the telescopic fixing hole 44. The gear 49 is driven to rotate by the motor, and under the action of the rack 48, the push arm hinge shaft 47 (including the motor and gear 49 thereon) moves in the telescopic limit long hole 43, and the telescopic limit long hole 43 plays a guiding role. Since the position of the long arm hinge shaft 46 in the telescopic fixing hole 44 is fixed, the two long arms 411 are driven to open or close together by the two push arms 410. The two short arms 412 and the positioning clamping head 5 follow the opening or closing of the long arms 411 to achieve retraction or extension, thereby ensuring a large range of forward and backward movement in a limited space, and realizing the positioning clamping of thin-walled cylinders of multiple specifications by the positioning clamping head 5.

[0035] See also Figure 3 and Figure 4The positioning chuck 5 includes a connecting rod 51 and a self-adjusting support head 52. One end of the connecting rod 51 is hinged to two short arms 412 in the telescopic mechanism 45 through a short arm hinge shaft 413, so that the connecting rod 51 moves forward and backward following the telescopic mechanism 45. The self-adjusting support head 52 is connected to the other end of the connecting rod 51 through a ball joint, so that the self-adjusting support head 52 can rotate 360 ​​degrees and can self-adjust and fit according to the inner wall surface of the thin-walled cylinder.

[0036] The displacement sensor 6 is a laser displacement sensor, which is installed on the upper plane of the support frame 42 in the adaptive clamping mechanism. The distance measuring position is at the upper end of the positioning clamping head 5, and is used to monitor in real time whether the inner wall support of the thin-walled cylinder is deformed.

[0037] The pressure sensor 7 is installed inside the self-adjusting support head 52 in the positioning chuck 5, and the pressure measuring surface of the pressure sensor 7 is located outside the self-adjusting support head 52 in the positioning chuck 5, for real-time monitoring of the pressure value at the support.

[0038] The process of preventing deformation of the above device during processing of a thin-walled cylinder specifically includes the following steps.

[0039] (1) Place the entire device at a suitable position on the machine tool table, and fix the base 1 to the machine tool surface through the bolt connector 12. Control the first-level hydraulic rod 32 and the second-level hydraulic rod 33 to adjust to the lowest state (retracted state) through the oil supply system. Adjust the telescopic mechanism 45 in the adaptive clamping mechanism 4 to the retracted state. Specifically, the motor drives the gear 49 to rotate, so that the push arm hinge shaft 47 moves toward the outside of the support frame 42 in the telescopic limit slot 43 (see Figure 4 The two long arms 411 are opened, so that the two short arms 412 are retracted, and the self-adjusting support head 52 in the positioning chuck 5 is retracted accordingly.

[0040] (2) The oil supply system is used to control the extension and retraction of the supporting hydraulic rod 22 so that the distance from the inner edge of the anti-slip support surface 23 at the outer end of the supporting hydraulic rod 22 to the central axis of the height hydraulic cylinder 31 is the same as the outer radius of the bottom end of the thin-walled cylinder to be processed; the thin-walled cylinder is hoisted onto the anti-slip support surface 23 of each supporting hydraulic rod 22 to ensure that the central axis of the thin-walled cylinder coincides with the central axis of the height hydraulic cylinder 31.

[0041] (3) The clamping height is adjusted according to the height of the thin-walled cylinder and the processing position. The extension lengths of the first-stage hydraulic rod 32 and the second-stage hydraulic rod 33 are adjusted through the oil supply system so that the upper and lower sets of adaptive clamping mechanisms 4 can clamp the thin-walled cylinder at appropriate heights.

[0042] (4) Set the limit value of the pressure sensor 7, start the motor in the telescopic mechanism 45, and the motor drives the gear 49 to rotate so that the push arm hinge shaft 47 moves in the telescopic limit slot 43 toward the inner side of the support frame 42 (see Figure 4 The left side of the figure shows the left side of the figure), driving the two long arms 411 together, so that the two short arms 412 extend out, and the self-adjusting support head 52 in the positioning clamping head 5 extends out accordingly, approaching the inner surface of the thin-walled cylinder. When the self-adjusting support head 52 contacts the inner surface of the thin-walled cylinder, since the connecting rod 51 and the self-adjusting support head 52 are connected by a ball joint, the self-adjusting support head 52 can automatically adjust the contact surface that fits the inner surface of the thin-walled cylinder. When the external pressure measuring surface of the self-adjusting support head 52 is completely in contact with the inner surface of the thin-walled cylinder and the detected pressure value reaches the specified pressure value, the motor in the telescopic mechanism 45 is turned off, and the push arm hinge shaft 47 stops moving, completing the rapid clamping of the thin-walled cylinder.

[0043] (5) Before processing the outer surface of the thin-walled cylinder, the laser displacement sensor 6 is operated. The laser displacement sensor 6 first uses the distance from the inner surface of the cylinder before processing as a reference value. Then the machine tool starts processing, and the laser displacement sensor 6 monitors the distance change in real time. If the monitored distance changes, it indicates that the thin-walled cylinder is deformed. When the distance change exceeds the allowable error range, the motor is automatically controlled to rotate to drive the telescopic mechanism 45 to extend and retract for correction, thereby achieving real-time control of the cylinder deformation correction during the entire processing process.

[0044] (6) After the processing is completed, the telescopic mechanism 45 is retracted, and the oil supply control system controls the first-stage hydraulic rod 32 and the second-stage hydraulic rod 33 to descend and remove the workpiece.

Claims

1. An intelligent anti-deformation processing device for thin-walled cylinders, characterized in that: It includes a base, a support mechanism, a clamping height adjustment mechanism, an adaptive clamping mechanism, a positioning clamping head, a displacement sensor and a pressure sensor; the clamping height adjustment mechanism is arranged on the base, a support mechanism is arranged on the base at the periphery of the clamping height adjustment mechanism, the adaptive clamping mechanism is arranged on the clamping height adjustment mechanism and is located above the support mechanism, a positioning clamping head is arranged on the adaptive clamping mechanism, the displacement sensor is arranged on the adaptive clamping mechanism, and the pressure sensor is arranged in the positioning clamping head; The support mechanism includes a pushing mechanism and a support block, and the support block is connected to the power output end of the pushing mechanism; The self-adaptive clamping mechanism comprises a supporting frame and a telescopic mechanism. The supporting frame is mounted on the clamping height adjustment mechanism, and the telescopic mechanism is mounted on the supporting frame.

2. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The base is provided with a cavity serving as an oil tank inside, and an oil inlet and an oil outlet are provided on the side of the base.

3. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The support mechanisms are evenly distributed on the base around the clamping height adjustment mechanism.

4. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The pushing mechanism adopts a hydraulic cylinder, which includes a supporting hydraulic cylinder and a supporting hydraulic rod. The supporting hydraulic cylinder is fixedly connected to the base, and the supporting hydraulic rod is installed in the supporting hydraulic cylinder and extends out of the supporting hydraulic cylinder.

5. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The clamping height adjustment mechanism is provided with at least one group, and each group is equipped with one set of adaptive clamping mechanism.

6. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 or 5, characterized in that: The clamping height adjustment mechanism adopts a hydraulic cylinder, and the hydraulic cylinder is a multi-stage hydraulic cylinder, and a set of adaptive clamping mechanism is installed on each stage of hydraulic rod.

7. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The support frame is sleeved on the power output end of the clamping height adjustment mechanism.

8. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The telescopic mechanism includes a push arm, a long arm and a short arm. There are two push arms, two long arms and two short arms. One end of the two push arms is hinged together through a push arm hinge shaft. The upper part of the push arm hinge shaft is provided with a gear. The other ends of the two push arms are respectively hinged to one end of the two long arms. The two long arms are hinged through the long arm hinge shaft. The other ends of the two long arms are respectively hinged to one end of the two short arms. The other ends of the two short arms are hinged together through the short arm hinge shaft. The gear on the push arm hinge shaft is meshed with the rack. The rack is fixedly mounted on the support frame. The push arm hinge shaft is inserted into the telescopic limit long hole in the support frame and is connected to a motor. The long arm hinge shaft is mounted on the telescopic fixing hole in the support frame.

9. The intelligent anti-deformation processing device for thin-walled cylinders according to claim 1 is characterized in that: The positioning clamping head comprises a connecting rod and a self-adjusting supporting head. One end of the connecting rod is hinged to the telescopic mechanism, and the self-adjusting supporting head is hinged to the connecting rod.

10. A method for using the intelligent anti-deformation processing device for thin-walled cylinders according to any one of claims 1 to 9, characterized in that: The steps include: (1) Fix the base to the machine tool, adjust the clamping height adjustment mechanism to the lowest state, adjust the telescopic mechanism in the adaptive clamping mechanism to the contracted state, and retract the positioning clamping head; (2) Extend the support blocks in each support mechanism and hoist the thin-walled cylinder onto the support blocks in each support mechanism; (3) Determine the clamping height according to the height of the thin-walled cylinder and the processing position, and adjust the adaptive clamping mechanism to the clamping height through the clamping height adjustment mechanism; (4) Setting a limit value of the pressure sensor, extending the positioning clamping head through the telescopic mechanism in the adaptive clamping mechanism, making the pressure sensor in the positioning clamping head contact with the inner surface of the thin-walled cylinder, and detecting the contact pressure. When the detected pressure value reaches the limit value, the telescopic mechanism in the adaptive clamping mechanism stops running, and the clamping of the thin-walled cylinder is completed; (5) The displacement sensor uses the distance from the inner surface of the thin-walled cylinder before processing as the reference value and monitors the distance change in real time. If the monitored distance changes, it indicates that the thin-walled cylinder has deformed. When the distance change exceeds the allowable error range, the telescopic mechanism in the adaptive clamping mechanism is used to correct the distance change, keeping the distance change within the allowable error range, thereby realizing real-time deformation correction of the thin-walled cylinder during the entire processing process.

Images