Boring machine for propeller inner hole machining based on 3D measurement technology

Abstract

The utility model provides a hole boring machine for propeller inner hole machining based on the 3D measurement technology, which comprises a base, a buffer pad fixedly connected below the base, a supporting table arranged on the base, a fixed table fixedly connected on the supporting table, a movable table arranged on the fixed table, a motor installed on the movable table, a sun gear connected with an output shaft of the motor, and an output shaft of the sun gear connected with an output shaft of the motor. A plurality of planet gears are distributed in the circumferential direction of the sun gear, the planet gears are meshed with the sun gear, and a fixing rod is fixedly connected to one side of the fixing table. Through meshing and cooperative movement among the sun gear, the planet gear and the gear ring, power transmission is achieved, loss of energy in the transmission process is reduced, power of a driving device can be transmitted to a boring cutter more effectively, the situation that a single component bears too large torque is avoided, and then stable and strong cutting power is provided for the boring cutter.

Description

TECHNICAL FIELD

[0001] The utility model relates to boring machine technical field especially relates to a propeller inner hole processing boring machine based on 3D measurement technique. BACKGROUND

[0002] In large heavy industry, such as shipbuilding, military equipment production and nuclear power industry, the processing of large fixed pitch propeller is very important, and the boring precision directly affects the product performance and reliability. As the key equipment for processing deep hole workpieces and various complex holes, the boring machine is widely used.

[0003] The existing boring machine adopts boring cutter and boring bar fixed connection, boring bar is driven by driving device to rotate and drive boring cutter to rotate. The boring bar is slender, and when rotating at high speed, it will produce torsional vibration and bending deformation under the influence of centrifugal force and cutting force, resulting in poor running stability, unstable cutting trajectory of tool, large boring bar load and easy fatigue wear. The boring machine has high equipment failure rate, energy loss in torque transmission, and limited cutting force of tool, so it is difficult to meet the processing requirements of high precision. At the same time, the existing boring machine has relatively single precision control means, lacks advanced measurement and detection technology, and it is difficult to accurately control the key parameters such as size and angle of propeller inner hole processing. In view of the above problems, a boring machine for propeller inner hole processing based on 3D measurement technology is provided. SUMMARY

[0004] In order to solve the technical defects of the above existing technology, the purpose of the utility model is to provide a boring machine for propeller inner hole processing based on 3D measurement technology, which improves the stability and accuracy of the boring machine driving structure.

[0005] A boring machine for propeller inner hole processing based on 3D measurement technology, comprising a base, a buffer pad is fixedly connected below the base, a supporting table is arranged on the base, a fixed table is fixedly connected on the supporting table, a moving table is arranged on the fixed table, a motor is installed on the moving table, the output shaft of the motor is connected with a sun gear 13, a plurality of planetary gears are distributed in the circumferential direction of the sun gear, the planetary gears are meshed with the sun gear, a fixed rod is fixedly connected on one side of the fixed table, the fixed rod is fixedly connected with a gear ring meshed with the planetary gears, a plurality of planetary gears are commonly rotatably connected with a planet carrier, the planet carrier is fixedly connected with a rotating disc through a fixed cap, rotating arms are fixedly connected on both sides of the rotating disc, and a boring cutter is arranged on the end of the rotating arm away from the rotating disc.

[0006] Further, the number of planetary gears is not less than 5, and the planetary gears are evenly distributed on the circumferential side of the sun gear. The sun gear drives the planetary gears to rotate during rotation.

[0007] Further, the base is slidably connected with telescopic columns on the opposite sides, a cylinder is installed on the base, and the telescopic columns and the piston rod of the cylinder are connected with the supporting table.

[0008] Further, the fixed table is provided with an electric screw rod, and an output end of the electric screw rod is connected with the moving table.

[0009] Further, a connecting piece is fixedly connected to the top of the moving table, and the connecting piece is rotatably connected with a cooling nozzle.

[0010] Further, a limiting cover is fixedly connected to the fixed table, and a groove is formed in the bottom of the limiting cover for sliding of the moving table.

[0011] Further, a 3D measuring device is installed on the top of the limiting cover.

[0012] Further, the planet carrier is threadedly connected with the fixed cap.

[0013] Further, a limiting hole is formed in the end of the rotating arm away from the rotating disc, and the boring cutter is located in the limiting hole.

[0014] Further, a control cabinet is arranged on the base, and the control cabinet is electrically connected with the air cylinder, the electric screw rod, the 3D measuring device and the motor.

[0015] Compared with the prior art, the utility model has the advantages that the guide wheel is arranged on the side plate, the installation of the fixing frame is facilitated, the drawer type installation mode between the installation frame and the fixing frame makes the installation more convenient, the cooperation and alignment of the mounting block and the mounting plate make the side plate and the left and right inner walls of the installation box leave a gap, when the installation box is collided, the gap can buffer the acting force generated by the collision, and the installation frame is prevented from being damaged directly by the collision. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the base, the telescopic column and the supporting table of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic view of the buffer pad, the air cylinder and the control cabinet of the utility model.

[0019] Figure 4 It is an explosion view of the fixed table, the moving table and the limiting cover of the utility model.

[0020] Figure 5 It is a three-dimensional structure schematic view of the motor, the rotating disc and the rotating arm of the utility model.

[0021] Figure 6 It is an explosion view of the sun gear, the planet wheel and the gear ring of the utility model.

[0022] The components are: 1-base, 101-buffer pad, 2-telescopic column, 3-support platform, 4-cylinder, 5-control cabinet, 6-fixed platform, 7-electric lead screw, 8-moving platform, 9-connector, 901-cooling nozzle, 10-limiting cover, 11-3D measuring device, 12-motor, 13-sun gear, 14-planet gear, 15-planet carrier, 16-gear ring, 1601-fixed rod, 17-rotating disk, 18-fixed cap, 19-boring tool, 20-rotating arm, 21-limiting hole. Detailed Implementation

[0023] The present invention will now be described in detail with reference to the accompanying drawings.

[0024] Example: A boring machine for machining the inner hole of a propeller based on 3D measurement technology, such as... Figures 1-6 As shown, the device includes a base 1, a buffer pad 101 fixedly connected to the bottom of the base 1, a support platform 3 on the base 1, a fixed platform 6 fixedly connected to the support platform 3, a movable platform 8 on the fixed platform 6, a motor 12 mounted on the movable platform 8, a sun gear 13 connected to the output shaft of the motor 12, and multiple planet gears 14 circumferentially distributed on the sun gear 13, with the planet gears 14 meshing with the sun gear 13. A fixed rod 1601 is fixedly connected to one side of the fixed platform 6, and a gear ring 16 meshing with the planet gears 14 is fixedly connected to the fixed rod 1601. The multiple planet gears 14 together... A planetary carrier 15 is rotatably connected, and a rotating disk 17 is fixedly connected to the planetary carrier 15 via a fixed cap 18. Rotating arms 20 are fixedly connected to both sides of the rotating disk 17. A boring tool 19 is provided at the end of the rotating arm 20 away from the rotating disk 17. Power transmission is achieved through the meshing and coordinated movement between the sun gear 13, planetary gears 14 and gear ring 16, reducing energy loss during transmission and enabling the power of the drive device to be transmitted to the boring tool 19 more effectively. This avoids the situation where a single component bears excessive torque, thereby providing stable and strong cutting power to the boring tool 19.

[0025] As a further improved technical solution, this utility model may also include the following additional technical features: the number of planetary gears 14 is not less than 5, and the planetary gears 14 are evenly distributed around the sun gear 13. During the rotation of the sun gear 13, the planetary gears 14 are driven to rotate. The coordinated work of multiple planetary gears 14 helps to ensure the stability of the operation.

[0026] As a further improved technical solution, the utility model still can include following additional technical features: the opposite both sides of base 1 are connected with telescopic column 2 slidingly, base 1 is installed with cylinder 4, and the piston rod of telescopic column 2 and cylinder 4 are all connected with support table 3, and the piston shaft of cylinder 4 telescopes, and the telescopic action of cylinder 4 drives support table 3 to rise or descend, and telescopic column 2 plays the role of auxiliary support and guiding, guarantees that support table 3 moves up and down stably, and through the accurate control of telescopic amount of cylinder 4, the center of rotary disc 17 can be accurately aligned with the center of propeller inner hole, and provide the basis for subsequent high-precision machining.

[0027] As a further improved technical solution, the utility model still can include following additional technical features: the opposite both sides of base 1 are connected with telescopic column 2 slidingly, base 1 is installed with cylinder 4, and the piston rod of telescopic column 2 and cylinder 4 are all connected with support table 3, and the piston shaft of cylinder 4 telescopes, and the telescopic action of cylinder 4 drives support table 3 to rise or descend, and telescopic column 2 plays the role of auxiliary support and guiding, guarantees that support table 3 moves up and down stably, and through the accurate control of telescopic amount of cylinder 4, the center of rotary disc 17 can be accurately aligned with the center of propeller inner hole, and provide the basis for subsequent high-precision machining.

[0028] As a further improved technical solution, the utility model still can include following additional technical features: the opposite both sides of base 1 are connected with telescopic column 2 slidingly, base 1 is installed with cylinder 4, and the piston rod of telescopic column 2 and cylinder 4 are all connected with support table 3, and the piston shaft of cylinder 4 telescopes, and the telescopic action of cylinder 4 drives support table 3 to rise or descend, and telescopic column 2 plays the role of auxiliary support and guiding, guarantees that support table 3 moves up and down stably, and through the accurate control of telescopic amount of cylinder 4, the center of rotary disc 17 can be accurately aligned with the center of propeller inner hole, and provide the basis for subsequent high-precision machining.

[0029] As shown in Figure 4 As a further improved technical solution, the utility model still can include following additional technical features: the opposite both sides of base 1 are connected with telescopic column 2 slidingly, base 1 is installed with cylinder 4, and the piston rod of telescopic column 2 and cylinder 4 are all connected with support table 3, and the piston shaft of cylinder 4 telescopes, and the telescopic action of cylinder 4 drives support table 3 to rise or descend, and telescopic column 2 plays the role of auxiliary support and guiding, guarantees that support table 3 moves up and down stably, and through the accurate control of telescopic amount of cylinder 4, the center of rotary disc 17 can be accurately aligned with the center of propeller inner hole, and provide the basis for subsequent high-precision machining.

[0030] As a further improved technical solution, the utility model still can include following additional technical features: the opposite both sides of base 1 are connected with telescopic column 2 slidingly, base 1 is installed with cylinder 4, and the piston rod of telescopic column 2 and cylinder 4 are all connected with support table 3, and the piston shaft of cylinder 4 telescopes, and the telescopic action of cylinder 4 drives support table 3 to rise or descend, and telescopic column 2 plays the role of auxiliary support and guiding, guarantees that support table 3 moves up and down stably, and through the accurate control of telescopic amount of cylinder 4, the center of rotary disc 17 can be accurately aligned with the center of propeller inner hole, and provide the basis for subsequent high-precision machining.

[0031] As shown in Figures 5-6As further improved technical solutions, the utility model still can include following additional technical features: the planet carrier 15 is connected with the fixed cap 18, the fixed cap 18 plays the fixed effect to the rotating disc 17, after removing the fixed cap 18, the fixed relation between the rotating disc 17 and the rotating shaft of the planet carrier 15 is removed, the rotating disc 17 can be conveniently removed from the equipment, and the detachable design improves the maintainability and operability of the equipment.

[0032] As further improved technical solutions, the utility model still can include following additional technical features: the rotating arm 20 is provided with a limiting hole 21 at one end away from the rotating disc 17, the boring cutter 19 is installed in the limiting hole 21, the limiting hole 21 provides a mounting and positioning space for the boring cutter 19, allows the boring cutter 19 to adjust the extension distance within a certain range, thereby adjusting the cutting depth and range of the boring cutter 19 to the propeller inner hole, meets different processing requirements, and the rotating arm 20 is provided with a bolt for fixing the boring cutter 19, after adjusting the boring cutter 19, the bolt is tightened to fix the boring cutter 19 on the rotating arm 20.

[0033] As further improved technical solutions, the utility model still can include following additional technical features: the base 1 is provided with a control cabinet 5, the base 1 is provided with the control cabinet 5, the control cabinet 5 is electrically connected with the cylinder 4, the electric screw rod 7, the 3D measuring device 11 and the motor 12, the control cabinet 5 controls the running state of the cylinder 4, the electric screw rod 7, the 3D measuring device 11 and the motor 12 by receiving the data signal sent by the 3D measuring device 11, monitors, analyzes and processes data, and ensures that the boring machine safely and stably completes the propeller inner hole processing task.

[0034] When using, the equipment is moved to the front of the propeller to be processed, the center of the rotating disc 17 is accurately aligned with the center of the propeller inner hole, then the motor 12 is started, the motor 12 drives the sun gear 13 to rotate through the output shaft, the rotation of the sun gear 13 drives the planet gear 14 engaged with it to move, and under the fixed constraint of the ring gear 16, the planet gear 14 rotates around its own axis while revolving around the sun gear 13, the revolution of the planet gear 14 drives the planet carrier 15 connected with it to rotate, the planet carrier 15 further drives the rotating disc 17 and the connected rotating arm 20 to rotate, the boring cutter 19 arranged on the rotating arm 20 rotates with the movement of the rotating arm 20, and the boring cutter 19 can cut and process the propeller inner hole, through the engagement and collaborative movement between the sun gear 13, the planet gear 14 and the ring gear 16, compared with the traditional boring bar drive, it has the characteristics of high transmission efficiency and uniform torque distribution, can provide stable and strong cutting power for the boring cutter 19, effectively reduces the processing error caused by unstable transmission structure, thereby completing the processing work of the propeller inner hole.

[0035] 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, are all included in the patent protection scope of the present application.

Claims

1. A boring machine for processing propeller inner hole based on 3D measurement technology, comprising: a base (1), a buffer pad (101) is fixedly connected below the base (1), a supporting table (3) is arranged on the base (1), a fixed table (6) is fixedly connected on the supporting table (3), and a moving table (8) is arranged on the fixed table (6); a motor (12) is installed on the moving table (8), an output shaft of the motor (12) is connected with a sun gear (13), a plurality of planet gears (14) are distributed in the circumferential direction of the sun gear (13), the planet gears (14) and the sun gear (13) are mutually engaged, a fixed rod (1601) is fixedly connected on one side of the fixed table (6), the fixed rod (1601) is fixedly connected with a ring gear (16) engaged with the planet gears (14), the plurality of planet gears (14) are commonly rotationally connected with a planet carrier (15), the planet carrier (15) is fixedly connected with a rotating disc (17) through a fixed cap (18), rotating arms (20) are fixedly connected on both sides of the rotating disc (17), and a boring cutter (19) is arranged on the end of the rotating arms (20) away from the rotating disc (17). 2.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 1, characterized in that: the number of the planet gears (14) is not less than 5, and the planet gears (14) are uniformly distributed on the circumferential side of the sun gear (13), and the sun gear (13) drives the planet gears (14) to rotate during rotation. 3.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 2, characterized in that: telescopic columns (2) are slidably connected on the opposite sides of the base (1), a pneumatic cylinder (4) is installed on the base (1), and the telescopic columns (2) and the piston rod of the pneumatic cylinder (4) are connected with the supporting table (3). 4.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 3, characterized in that: an electric screw (7) is arranged on the fixed table (6), and an output end of the electric screw (7) is connected with the moving table (8). 5.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 4, characterized in that: a connecting piece (9) is fixedly connected on the top of the moving table (8), and the connecting piece (9) is rotationally connected with a cooling nozzle (901). 6.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 5, characterized in that: a limiting cover (10) is fixedly connected on the fixed table (6), and a groove for sliding of the moving table (8) is formed in the bottom of the limiting cover (10). 7.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 6, characterized in that: a 3D measurement device (11) is installed on the top of the limiting cover (10). 8.The boring machine for processing propeller inner hole based on 3D measurement technology according to claim 7, characterized in that: the planet carrier (15) is threadedly connected with the fixed cap (18).

9. The boring machine for processing the hole of propeller based on 3D measurement technology according to claim 1, characterized in that, Further comprising: a limiting hole (21) is formed in the end of the rotating arm (20) away from the rotating disc (17), and the boring cutter (19) is located in the limiting hole (21).

10. The propeller hole machining boring machine based on 3D measurement technology according to claim 9, characterized in that: The base (1) is provided with a control cabinet (5), and the control cabinet (5) is electrically connected with the air cylinder (4), the electric screw rod (7), the 3D measuring device (11) and the motor (12).

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