Piston pin hole seat hole machining device

Abstract

The utility model relates to the technical field of piston machining, in particular to a piston pin hole seat hole machining device which comprises a bottom plate, a machining table is arranged at the top of the bottom plate, a side frame is arranged on one side of the machining table, a guide block is driven on the side frame through a guide rail, a vertical support is movably arranged at the outer end of the guide block, a transverse support is arranged at the bottom end of the vertical support, and a piston pin hole seat hole is formed in the transverse support. A drilling tool used for machining a piston pin hole seat hole is installed on the transverse support, a supporting plate is arranged at the top of the guide block, the front end of the supporting plate is driven by a motor to be provided with a rotatable circular plate, and a linkage rod is connected between the outer side of the circular plate and the top end of the vertical support. According to the piston pin hole seat hole machining device, the machining head can be adjusted to the needed inclination angle in real time, inclined face machining is directly conducted on a piston pin hole, the position of a workpiece does not need to be adjusted frequently, machining flexibility and precision are greatly improved, and production efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston processing, in particular to a piston pin hole seat eye processing device. Background Art

[0002] In the internal combustion engine manufacturing industry, the piston is one of the core components, and its performance directly affects the overall efficiency and life of the engine. The piston pin hole is the key part connecting the piston and the connecting rod. Its processing accuracy and surface quality are crucial to ensure the smooth operation of the engine, reduce wear and improve fuel economy.

[0003] The existing methods for processing piston pin hole seats mostly use special machine tools in combination with drilling, reaming and other processes, but most of them can only operate in the vertical direction and lack a flexible angle adjustment mechanism. As a result, when bevel processing is required, the operator must repeatedly adjust the position of the workpiece to adapt to the fixed posture of the drill, which is not only time-consuming and labor-intensive, but also due to the accumulation of small errors in each re-clamping and positioning, it is easy to cause a decrease in processing accuracy, seriously affecting the dimensional accuracy and surface quality of the final product, and limiting the improvement of production efficiency and product quality. Utility Model Content

[0004] The purpose of the utility model is to provide a piston pin hole seat eye processing device to solve the problem raised by the above-mentioned background technology that the current piston pin hole processing mainly relies on special machine tools for vertical operation for drilling and reaming, lacks the ability to adjust the angle, and requires continuous adjustment of the workpiece during inclined surface processing, resulting in accumulated positioning errors, affecting the processing accuracy, surface quality and production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a piston pin hole seat eye processing device, comprising a base plate, a processing table is provided on the top of the base plate, a side frame is provided on one side of the processing table, a guide block is driven by a guide rail on the side frame, a vertical bracket is movably provided on the outer end of the guide block, a horizontal bracket is provided at the bottom end of the vertical bracket, a drilling tool for processing the piston pin hole seat eye is installed on the horizontal bracket, and a support plate is provided on the top of the guide block, a rotatable circular plate is provided at the front end of the support plate driven by a motor, and a linkage rod is connected between the outer side of the circular plate and the top end of the vertical bracket.

[0006] Preferably, a fixed shaft is provided at the top of the vertical bracket through a notch, one end of the linkage rod is movably sleeved on the outside of the fixed shaft through a rotating sleeve, and the other end of the linkage rod is connected to the center of the outer side of the circular plate through the rotating shaft.

[0007] Preferably, a circular ring is provided on the outer side of the front end of the support plate, and the inner wall of the circular ring is slidably connected with the outer wall of the circular plate.

[0008] Preferably, an arc-shaped guide piece is provided at the lower end of the back side of the vertical bracket, and an arc-shaped guide seat matching with the arc-shaped guide piece structure is provided at the bottom of the guide block.

[0009] Preferably, a retractable rod is provided at one end of the horizontal bracket connected to the vertical bracket, and a retractable hole matching the retractable rod structure is provided at the bottom end of the vertical bracket.

[0010] Preferably, a cylinder is provided on the inner side of the bottom end of the vertical bracket, and the output end of the cylinder is fixedly connected to the inner end of the horizontal bracket through a connecting piece.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the piston pin hole seat eye processing device can adjust the processing head to the required tilt angle in real time, directly perform bevel processing on the piston pin hole, and does not need to frequently adjust the workpiece position, which not only greatly improves the processing flexibility and precision, but also significantly improves the production efficiency. The device uses a vertical sliding structure driven by a side frame and a rotating mechanism driven by a motor to enable the drill to flexibly adjust the angle between the vertical and the plane, directly complete the bevel processing of the piston pin hole, eliminate the error caused by repeated clamping and positioning in traditional processing, greatly improve the processing flexibility, precision and efficiency, and ensure the processing quality and production efficiency of the piston pin hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a piston pin hole seat eye processing device of the utility model;

[0013] Figure 2 It is a schematic diagram of the external side view of the support plate of a piston pin hole seat eye processing device of the utility model;

[0014] Figure 3 The utility model is a piston pin hole seat eye processing device Figure 1 Enlarged structural diagram at A in the middle.

[0015] In the figure: 1. bottom plate; 2. processing table; 3. guide block; 4. side frame; 5. vertical support; 6. horizontal support; 7. drilling tool; 8. support plate; 9. round plate; 10. linkage rod; 11. arc guide seat; 12. arc guide piece; 13. motor; 14. circular ring; 15. fixed shaft; 16. retractable rod; 17. cylinder. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-3The utility model provides a technical solution: a piston pin hole seat eye processing device, comprising a bottom plate 1, a processing table 2 is arranged on the top of the bottom plate 1, and a standardized interface or fixture installation platform is designed on the processing table 2, which can quickly install and replace various special fixtures to adapt to piston workpieces of different specifications and shapes, and ensure the stable positioning of the workpiece during the processing. A side frame 4 is arranged on one side of the processing table 2, and a guide block 3 is driven by a guide rail on the side frame 4. A vertical bracket 5 is movably arranged at the outer end of the guide block 3 through a pin shaft, and a horizontal bracket 6 is arranged at the bottom end of the vertical bracket 5. A drilling tool 7 for processing the piston pin hole seat eye is installed on the horizontal bracket 6, and a support plate 8 is welded and fixed on the top of the guide block 3, and a rotatable circular plate 9 is driven at the front end of the support plate 8 by a motor 13, and the motor 13 is driven by a screw The bolt is fixed to the rear side of the support plate 8, and the output end of the motor 13 is fixedly connected to the center of the back side of the circular plate 9. A linkage rod 10 is connected between the outer side of the circular plate 9 and the top of the vertical bracket 5. The guide rail of the side frame 4 of this structure can drive the guide block 3 to slide vertically, thereby driving the vertical bracket 5, the horizontal bracket 6 and the drilling tool 7 to adjust the longitudinal precise position, and the motor 13 can drive the circular plate 9 to rotate on the support plate 8. The circular plate 9 is connected to the top of the vertical bracket 5 through the linkage rod 10 to form a rotatable mechanism. This linkage design enables the drilling tool 7 to not only operate in the vertical direction, but also be flexibly adjusted to any inclination angle with the rotation of the circular plate 9, and directly implement precise bevel processing on the piston pin hole, which solves the cumbersome steps of repeatedly adjusting the workpiece in the traditional method. It effectively avoids the accumulation of small errors caused by multiple clamping and positioning, significantly enhances the flexibility and precision control of the processing process, and at the same time, greatly improves the production efficiency, ensuring the high quality and high efficiency of piston pin hole processing. A fixed shaft 15 is provided on the top of the vertical bracket 5 through a recess, and one end of the linkage rod 10 is movably sleeved on the outside of the fixed shaft 15 through a rotating sleeve, and the other end of the linkage rod 10 is connected to the center of the outer side of the circular plate 9 through a rotating shaft. In this structure, when the motor 13 drives the circular plate 9 to rotate, the rotation action is transmitted to the linkage rod 10 through the rotating shaft, and the linkage rod 10 immediately rotates around the fixed shaft 15 to realize the adjustment of the inclination angle of the vertical bracket 5 and the drilling tool 7 carried by it, thereby ensuring that the drilling tool 7 can freely swing to the target processing angle in three-dimensional space as the circular plate 9 rotates. The degree not only greatly broadens the processing range, but also covers the processing requirements of piston pin holes from vertical to any oblique direction. A circular ring 14 is provided on the outer side of the front end of the support plate 8, and the inner wall of the circular ring 14 is slidably connected with the outer wall of the circular plate 9. When the circular plate 9 of this structure rotates under the driving force of the motor 13, the circular ring 14 serves as a supporting and guiding component, which not only provides stable radial support for the centrally rotating circular plate 9, but also reduces the shaking and deflection during the rotation process. The sliding contact between the two ensures the smoothness and precision of the rotation action, and effectively improves the sensitivity and stability of the drilling tool 7 when adjusting the angle. An arc guide piece 12 is welded and fixed to the lower end of the back side of the vertical bracket 5, and an arc guide seat 11 matching the arc guide piece 12 structure is welded and fixed to the bottom of the guide block 3.The outer end of the arc guide piece 12 extends into the arc guide seat 11 and can be fastened by bolts. In this structure, when the vertical bracket 5 is tilted according to the processing requirements, the arc guide piece 12 slides smoothly into the arc guide seat 11 and is locked by bolts. This ensures that the vertical bracket 5 and the drill 7 thereon can maintain stability and not shake after being adjusted to any tilt angle, and keep the position unchanged even when the processing force is applied, thereby improving the stability and safety of the processing process. The end of the horizontal bracket 6 connected to the vertical bracket 5 is welded and fixed with a retractable rod 16, and the vertical bracket 5 The bottom end of the vertical bracket 5 is provided with a retracting hole matched with the retracting rod 16 structure. The inner side of the bottom end of the vertical bracket 5 is fixed with a cylinder 17 by bolts, and the output end of the cylinder 17 is fixedly connected to the inner end of the horizontal bracket 6 by a connecting piece. When the cylinder 17 is working, the horizontal bracket 6 is driven to slide smoothly along the bottom end of the vertical bracket 5. When the horizontal bracket 6 slides, the retracting rod 16 is driven to slide in the retracting hole at the bottom end of the vertical bracket 5. This not only enables the drilling tool 7 to have a new horizontal precise positioning capability based on the longitudinal adjustment, but also greatly enhances the spatial adaptability and flexibility during the processing.

[0018] Working principle: When using the piston pin hole seat processing device, first install a suitable fixture through the processing table 2 on the bottom plate 1 to ensure that the piston workpiece to be processed is firmly positioned, then the guide rail on the side frame 4 drives the guide block 3 to slide in the vertical direction, thereby driving the vertical bracket 5 and the horizontal bracket 6 and the drill 7 to make precise longitudinal adjustments to reach the initial processing position, and then start the motor 13 to rotate the circular plate 9. The rotation of the circular plate 9 is transmitted to the linkage rod 10 through the rotating shaft, thereby the linkage rod 10 rotates around the fixed axis 15 to achieve the inclination angle adjustment of the vertical bracket 5 and the drill 7 to meet the requirements of piston pin hole processing at different angles, and the ring 14 and the outer wall of the circular plate 9 The sliding connection provides radial support for the smooth rotation of the circular plate 9, ensuring that the rotation process is stable and without shaking, and improving the adjustment accuracy of the drilling tool 7. When the vertical bracket 5 needs to be tilted, the arc-shaped guide piece 12 at the lower end of its back side slides into the arc-shaped guide seat 11 at the bottom of the guide block 3 and is fastened by bolts, ensuring the stability of the vertical bracket 5 in the tilted state and avoiding vibration during the processing. At the same time, the cylinder 17 acts on the inner end of the horizontal bracket 6 through the connecting piece, and pushes the horizontal bracket 6 to move smoothly laterally along the retracting hole at the bottom end of the vertical bracket 5 according to the processing requirements, further enhancing the spatial adaptability and flexibility during processing, thereby completing a series of tasks.

[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A piston pin hole processing device, comprising a base plate (1), a processing table (2) is provided on the top of the base plate (1), and a side frame (4) is provided on one side of the processing table (2), characterized in that: A guide block (3) is driven by a guide rail on the side frame (4); a vertical bracket (5) is movably provided on the outer end of the guide block (3); a horizontal bracket (6) is provided at the bottom end of the vertical bracket (5); a drilling tool (7) for machining a piston pin hole seat is installed on the horizontal bracket (6); a support plate (8) is provided on the top of the guide block (3); a rotatable circular plate (9) is driven at the front end of the support plate (8) by a motor (13); a linkage rod (10) is connected between the outer side of the circular plate (9) and the top end of the vertical bracket (5).

2. A piston pin hole processing device according to claim 1, characterized in that: A fixed shaft (15) is provided at the top of the vertical bracket (5) through a notch, one end of the linkage rod (10) is movably sleeved on the outside of the fixed shaft (15) through a rotating sleeve, and the other end of the linkage rod (10) is connected to the center of the outer side of the circular plate (9) through a rotating shaft.

3. A piston pin hole processing device according to claim 1, characterized in that: A circular ring (14) is provided on the outer side of the front end of the support plate (8), and the inner wall of the circular ring (14) is slidably connected to the outer wall of the circular plate (9).

4. A piston pin hole processing device according to claim 1, characterized in that: An arc-shaped guide piece (12) is provided at the lower end of the back side of the vertical bracket (5), and an arc-shaped guide seat (11) matching the arc-shaped guide piece (12) structure is provided at the bottom of the guide block (3).

5. The piston pin hole processing device according to claim 1, characterized in that: One end of the horizontal bracket (6) connected to the vertical bracket (5) is provided with a retractable rod (16), and the bottom end of the vertical bracket (5) is provided with a retractable hole that matches the retractable rod (16) structure.

6. A piston pin hole processing device according to claim 5, characterized in that: A cylinder (17) is provided on the inner side of the bottom end of the vertical bracket (5), and the output end of the cylinder (17) is fixedly connected to the inner end of the horizontal bracket (6) through a connecting piece.

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