Roundness restoring tool for engine cylinder sleeve machining
By designing a recircular workpiece including nip rollers, turntables, push rods, lift racks and servo motors, the problem that the prior art cannot simultaneously recircle the inner and outer walls of the engine cylinder liner, and more efficient and accurate cylinder liner processing is achieved.
Patent Information
- Application Number
- CN202420908138.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing recircular workpiece cannot recircular the inner and outer walls of the engine cylinder liner at the same time, resulting in incomplete processing.
A recircular workpiece including nip rollers, rotary tables, electric push rods, lift frames and servo motors is designed. Through the coordinated work of clamping cylinders, electric push rods and servo motors, simultaneous recircular processing of the inner and outer walls of the engine cylinder liner is realized.
This tooling can effectively solve the problem of deformation, inner convexity or outer convexity after processing of the cylinder liner, and realize simultaneous recircular processing of the inner and outer walls, improving the accuracy and efficiency of processing.
Smart Images
Figure CN222608801U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine cylinder sleeves, in particular to a re-rounding tool for machining engine cylinder sleeves. Background Art
[0002] The engine cylinder liner is an important part of the engine. It is located in the cylinder body and is used to accommodate the piston seal ring and form an airtight seal. The cylinder liner is usually made of cast iron, aluminum alloy or other special alloys, with good thermal conductivity and wear resistance. It is subjected to high temperature and high pressure working environment, so it needs to have sufficient strength and corrosion resistance.
[0003] After the cylinder liner is processed, due to the thin wall thickness of the cylinder liner, the processed cylinder liner is prone to deformation, inward bulging or outward bulging, so the processed cylinder liner needs to be re-rounded. However, the existing re-rounding tooling can only re-round the outer wall or the inner wall separately when in use, and cannot re-round the inner wall and the outer wall at the same time. Therefore, it is necessary to design a re-rounding tooling for engine cylinder liner processing. Utility Model Content
[0004] The utility model aims to provide a re-rounding tool for machining an engine cylinder liner to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A re-rounding tool for machining an engine cylinder liner, comprising:
[0007] A workbench, wherein a frame is arranged just above the top of the workbench, a lifting frame is movably installed on the inner side of the frame, a pair of mounting frames are movably installed on both sides of the bottom end of the lifting frame, a clamping roller is fixedly installed in the middle of the mounting frame, and a distance adjustment mechanism is arranged on the inner side of the lifting frame;
[0008] A turntable is movably installed in the middle of the workbench, a servo motor is fixedly installed at the lower inner side of the middle of the workbench, the output shaft of the servo motor is fixedly connected to the middle of the bottom end of the turntable, and clamping mechanisms are arranged on both sides of the turntable.
[0009] Preferably, an electric push rod is fixedly installed at the top of the middle part of the frame, the output shaft of the electric push rod passes through the frame and is fixedly connected to the middle of the top of the lifting frame, guide rods are symmetrically arranged on both sides of the top of the lifting frame, and guide grooves movably connected to the guide rods are opened on both sides of the frame;
[0010] Preferably, the distance adjustment mechanism comprises a dual-axis motor, a threaded rod and a connecting piece, the dual-axis motor is fixedly installed in the middle of the inner upper end of the lifting frame, threaded rods are arranged at both ends of the dual-axis motor, the top end of the mounting frame is fixedly connected to the connecting piece, and the connecting piece is threadedly connected to the threaded rod;
[0011] Preferably, the threads at both ends of the threaded rod are opposite;
[0012] Preferably, the clamping mechanism comprises a mounting seat, a clamping cylinder and a clamping plate, the mounting seat is arranged at the top ends of both sides of the turntable, the clamping cylinder is fixedly mounted on the outer side of the middle part of the mounting seat, and the output shaft of the clamping cylinder passes through the mounting seat and is fixedly connected to the clamping plate;
[0013] Preferably, the splint is a semicircular structure.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. This kind of engine cylinder liner processing re-rounding tooling is used in conjunction with clamping rollers, a turntable, an electric push rod, a lifting frame and a servo motor. The clamping cylinder is started, and the clamping cylinder controls the two clamping plates to clamp and fix the two sides below the engine cylinder liner. Then the electric push rod is started, and the electric push rod controls the two pairs of clamping rollers to descend until the two pairs of clamping rollers are respectively clamped on the inner and outer sides of the engine cylinder liner. Then the servo motor is started, and the servo motor controls the turntable to rotate, so that the inner and outer walls of the engine cylinder liner can be re-rounded at the same time by the two pairs of clamping rollers.
[0016] 2. This kind of re-rounding tooling for processing engine cylinder liners is used in conjunction with a dual-axis motor, a threaded rod, a connecting piece, a mounting seat and a clamping cylinder. The dual-axis motor controls the rotation of the threaded rods at both ends. Since the threads at both ends of the threaded rod are opposite, the two connecting pieces will control the mounting seat at the bottom to move in the same or opposite directions. When the mounting seat moves in the same direction, the distance between the two clamping rollers is reduced. When the mounting seat moves in the opposite direction, the distance between the two clamping rollers is increased, thereby achieving the purpose of easy adaptation and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall main structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;
[0019] Figure 3 For the utility model Figure 2 The enlarged schematic diagram at A in the middle;
[0020] Figure 4 For the utility model Figure 2 Enlarged schematic diagram of point B in the middle.
[0021] In the figure: 1. workbench; 2. frame; 3. lifting frame; 4. mounting frame; 5. clamping roller; 6. turntable; 7. servo motor; 8. electric push rod; 9. guide rod; 10. guide groove; 11. dual-axis motor; 12. threaded rod; 13. connecting piece; 14. mounting seat; 15. clamping cylinder; 16. clamping plate. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] like Figure 1-4 As shown, a technical solution provided by the utility model:
[0024] A re-rounding tool for processing an engine cylinder liner, comprising a workbench 1, a frame 2 is arranged just above the top of the workbench 1, a lifting frame 3 is movably installed on the inner side of the frame 2, a pair of mounting frames 4 are movably installed on both sides of the bottom end of the lifting frame 3, a clamping roller 5 is fixedly installed in the middle of the mounting frame 4, and a distance adjustment mechanism is arranged on the inner side of the lifting frame 3; a turntable 6 is movably installed in the middle of the workbench 1, a servo motor 7 is fixedly installed on the lower inner side of the middle part of the workbench 1, the output shaft of the servo motor 7 is fixedly connected to the middle of the bottom end of the turntable 6, and clamping mechanisms are arranged on both sides of the turntable 6, the clamping mechanisms include a mounting seat 14, a clamping cylinder 15 and a clamping plate 16, the mounting seat 14 is arranged on the top of both sides of the turntable 6, the clamping cylinder 15 is fixedly installed on the outer side of the middle part of the mounting seat 14, the output shaft of the clamping cylinder 15 passes through the mounting seat 14 and is fixedly connected to the clamping plate 16, and the clamping plate 16 is a semicircular structure;
[0025] In this embodiment, during processing, the engine cylinder liner is placed between the two clamping plates 16, and then the clamping cylinder 15 is started. The clamping cylinder 15 controls the two clamping plates 16 to clamp and fix the two sides below the engine cylinder liner. Then the electric push rod 8 is started. The electric push rod 8 controls the two pairs of clamping rollers 5 to descend until the two pairs of clamping rollers 5 are respectively clamped on the inner and outer sides of the engine cylinder liner. Then the servo motor 7 is started, and the servo motor 7 controls the turntable 6 to rotate, so that the inner and outer walls of the engine cylinder liner can be simultaneously re-rounded by the two pairs of clamping rollers 5.
[0026] like Figure 1 As shown, an electric push rod 8 is fixedly installed at the middle top of the frame 2, and the output shaft of the electric push rod 8 passes through the frame 2 and is fixedly connected to the middle of the top of the lifting frame 3. Guide rods 9 are symmetrically arranged on both sides of the top of the lifting frame 3, and guide grooves 10 movably connected to the guide rods 9 are opened on both sides of the frame 2;
[0027] In this embodiment, after the electric push rod 8 is started, the lifting frame 3 of the output shaft is controlled to descend synchronously. When the lifting frame 3 descends, the guide rods 9 at the top ends of both sides thereof will slide and guide along the guide grooves 10 at both ends of the frame 2.
[0028] like Figure 2 and Figure 4 As shown, the pitch adjustment mechanism includes a dual-axis motor 11, a threaded rod 12 and a connecting piece 13. The dual-axis motor 11 is fixedly installed in the middle of the inner upper end of the lifting frame 3. The threaded rods 12 are arranged at both ends of the dual-axis motor 11. The top end of the mounting frame 4 is fixedly connected to the connecting piece 13. The connecting piece 13 is threadedly connected to the threaded rod 12. The threads at both ends of the threaded rod 12 are opposite.
[0029] In this embodiment, when the thickness of the engine cylinder liner to be re-rounded is different, it can be adapted by adjusting the distance between the two clamping rollers 5. During adjustment, the dual-axis motor 11 is started, and the dual-axis motor 11 controls the rotation of the threaded rod 12 at both ends. Since the threads at both ends of the threaded rod 12 are opposite, the two connecting parts 13 will control the mounting seat 14 at the bottom to move in the same direction or in the opposite direction. When the mounting seat 14 moves in the same direction, the distance between the two clamping rollers 5 is reduced. When the mounting seat 14 moves in the opposite direction, the distance between the two clamping rollers 5 is increased, thereby achieving the purpose of facilitating adaptation and adjustment.
[0030] Working principle: During processing, the engine cylinder liner is placed between two clamping plates 16, and then the clamping cylinder 15 is started. The clamping cylinder 15 controls the two clamping plates 16 to clamp and fix the two sides below the engine cylinder liner, and then the electric push rod 8 is started. The electric push rod 8 controls the two pairs of clamping rollers 5 to descend until the two pairs of clamping rollers 5 are respectively clamped on the inner and outer sides of the engine cylinder liner, and then the servo motor 7 is started. The servo motor 7 controls the turntable 6 to rotate, so that the inner and outer walls of the engine cylinder liner can be simultaneously processed into a circular shape by the two pairs of clamping rollers 5. During adjustment, the dual-axis motor 11 is started. The dual-axis motor 11 controls the rotation of the threaded rod 12 at both ends. Since the threads at both ends of the threaded rod 12 are opposite, the two connecting parts 13 will control the mounting seat 14 at the bottom to move in the same direction or in the opposite direction. When the mounting seat 14 moves in the same direction, the distance between the two clamping rollers 5 is reduced. When the mounting seat 14 moves in the opposite direction, the distance between the two clamping rollers 5 is increased.
[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A tool for rounding an engine cylinder liner, characterized in that: include A workbench (1), wherein a frame (2) is arranged directly above the top of the workbench (1), a lifting frame (3) is movably mounted on the inner side of the frame (2), a pair of mounting frames (4) are movably mounted on both sides of the bottom end of the lifting frame (3), a clamping roller (5) is fixedly mounted in the middle of the mounting frame (4), and a distance adjustment mechanism is arranged on the inner side of the lifting frame (3); A turntable (6) is movably mounted in the middle of the workbench (1), a servo motor (7) is fixedly mounted on the lower inner side of the middle of the workbench (1), an output shaft of the servo motor (7) is fixedly connected to the middle of the bottom end of the turntable (6), and clamping mechanisms are arranged on both sides of the turntable (6).
2. The tooling for rounding an engine cylinder liner according to claim 1, characterized in that: An electric push rod (8) is fixedly installed at the top of the middle part of the frame (2), and the output shaft of the electric push rod (8) passes through the frame (2) and is fixedly connected to the middle of the top of the lifting frame (3). Guide rods (9) are symmetrically arranged on both sides of the top of the lifting frame (3), and guide grooves (10) movably connected to the guide rods (9) are opened on both sides of the frame (2).
3. The tooling for rounding an engine cylinder liner according to claim 1, characterized in that: The pitch adjustment mechanism comprises a dual-axis motor (11), a threaded rod (12) and a connecting piece (13); the dual-axis motor (11) is fixedly mounted in the middle of the inner upper end of the lifting frame (3); threaded rods (12) are arranged at both ends of the dual-axis motor (11); the top end of the mounting frame (4) is fixedly connected to the connecting piece (13); and the connecting piece (13) is threadedly connected to the threaded rod (12).
4. The tooling for rounding an engine cylinder liner according to claim 3, characterized in that: The threads at both ends of the threaded rod (12) are opposite to each other.
5. The tooling for rounding an engine cylinder liner according to claim 1, characterized in that: The clamping mechanism comprises a mounting seat (14), a clamping cylinder (15) and a clamping plate (16); the mounting seat (14) is arranged at the top ends of both sides of the turntable (6); the clamping cylinder (15) is fixedly mounted on the outer side of the middle part of the mounting seat (14); and the output shaft of the clamping cylinder (15) passes through the mounting seat (14) and is fixedly connected to the clamping plate (16).
6. The tooling for rounding an engine cylinder liner according to claim 5, characterized in that: The clamping plate (16) is a semicircular structure.