Spherical grinding machine

Abstract

The utility model relates to the technical field of bearing roller surface machining, in particular to a spherical surface grinding machine, which comprises a box body, a placing table, a sphere, a top plate and a grinding disc, the placing table is arranged at the upper end of the box body, the sphere is placed in the placing table, the top plate is arranged at the upper end of the placing table, and the grinding disc is rotatably mounted at the lower end of the top plate. The efficient grinding effect of the ball is achieved by continuously rotating the ground ball and the concave grinding disc at a high speed, and the problem that the grinding efficiency is reduced and the overall work progress is affected due to the fact that an existing spherical grinding machine lacks the efficient rotating type ball surface grinding effect is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing roller surface processing, in particular to a spherical grinding machine. Background Art

[0002] Spherical grinding machine is a special mechanical equipment used for processing spherical surface. It cuts and grinds the workpiece through grinding wheel or other grinding tools to obtain smooth and precise spherical shape. Spherical grinding machine is widely used in automobile manufacturing, aerospace, bearing manufacturing, instrumentation and other industries, and can be used to process spherical parts of various metal and non-metal materials. These parts include bearings, valve balls, cycloid disks, friction rings, guide rails and rotors. Spherical grinding machine has high processing accuracy, stability and repeatability, and can provide high-quality and size-controlled spherical products.

[0003] After searching, the patent announcement number is CN2745696Y, which discloses a CNC internal spherical grinding machine, comprising a bed (1), a longitudinal feed carriage (13) and a ball screw (6) driving the longitudinal feed carriage (13), a transverse feed carriage (7) and a ball screw (2) driving the longitudinal feed carriage (7), guide rails (18, 21), a grinding wheel dresser (10), a centering fixture (12), a spindle frequency converter, a lubrication system, an electrical cabinet (5) and a CNC system, and also comprising AC servo motors (8, 9), an AC servo control system and a high-speed electric spindle (3), wherein the AC servo motor (9) is connected to the ball screw (2) through a coupling (16), a synchronous pulley (22) is mounted on the output shaft of the AC servo motor (8), a synchronous pulley (19) is mounted on the ball screw (6), the synchronous pulley (19) and the synchronous pulley (22) are connected through a synchronous belt (20), and the high-speed electric spindle (3) is located on the transverse feed carriage (7). The utility model has the advantages of high precision, high processing efficiency, good reliability, etc. At the same time, it solves the problems of noise, oil leakage, environmental pollution, etc. in the hydraulic system. In the existing technology, although a certain spherical grinding effect can be achieved during use, the existing defect is that the existing spherical grinding machine lacks the high-efficiency rotating spherical surface grinding effect, resulting in reduced grinding efficiency and affecting the overall work progress. In view of this, we propose a spherical grinding machine to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a spherical grinding machine in view of the problems existing in the background technology.

[0005] The technical solution of the utility model is as follows: a spherical grinding machine comprises a box body, a placing table, a sphere, a top plate and a grinding disc, wherein the upper end of the box body is provided with a placing table, the sphere is placed inside the placing table, the upper end of the placing table is provided with a top plate, and the lower end of the top plate is rotatably mounted with a grinding disc.

[0006] When using the spherical grinder in this scheme, the top plate is lifted by the hydraulic cylinder, and the sphere is placed inside the placement table. The hydraulic cylinder is then adjusted to make the grinding disc fit the upper end of the sphere. Motor one and motor two are then adjusted to make the sphere continuously rotate from all directions inside the placement table, and all surfaces are in contact with the grinding disc. The grinding disc is driven by motor three to grind the upper surface of the sphere, thereby achieving the effect of efficiently grinding the sphere.

[0007] Preferably, a motor three is provided on the upper end of the top plate, and the motor three is fixedly connected to the upper end of the grinding disc via a rotating shaft. A base distributed in a square array is provided at the lower end of the box body, and the grinding disc can be driven to rotate by the motor three. The base can increase the stability of the device and reduce the propagation of noise to a certain extent.

[0008] Preferably, the lower surface of the grinding disc is designed as an inner arc, and the inner surface of the grinding disc is provided with protrusions distributed in a ring array. The arc-shaped design and the protrusions can achieve a grinding effect on a larger area of ​​the upper surface of the sphere.

[0009] Preferably, hydraulic cylinders distributed in a square array are provided at the upper end of the box body, a hydraulic rod is provided at the upper end of the hydraulic cylinder, the upper end of the hydraulic rod is fixedly connected to the lower surface of the top plate, and the height of the top plate can be adjusted by the hydraulic cylinder to facilitate the installation of the prisoners and the fitting effect of the grinding disc and the upper surface of the sphere.

[0010] Preferably, rollers distributed in a circular array are arranged below the inner wall of the placement table, and the rollers are in contact with the lower surface of the sphere. A motor is arranged on one side of the roller, and the motor is adapted to the roller. When the roller rotates, it can drive the sphere to rotate horizontally.

[0011] Preferably, a second roller is provided at the bottom end of the placing table, and the second roller is in contact with the lower surface of the sphere. A second motor is provided on one side of the second roller, and the second motor is adapted to the second roller. The rotation of the second roller can drive the sphere to rotate in the vertical direction. By adjusting the rotation speed of the first motor and the second motor, the rotation effect of the sphere in various directions inside the placing table can be achieved, so that all outer surfaces of the sphere can be polished by the polishing disc. This polishing speed can be very high, which is convenient for polishing the outer surface of a large sphere.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] 1. This device can use the concave grinding disc on the upper end of the sphere to achieve the grinding effect on a part of the upper surface of the sphere;

[0014] 2. The device can utilize the driving rollers 1 and 2 at the lower end and both sides of the sphere to realize the uninterrupted rotation of the sphere, so that each point of the spherical surface can contact with the grinding disc and be processed and polished, thus achieving the effect of efficient polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a bottom view schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the positions of the ball, roller one and roller two of the utility model.

[0018] Reference numerals:

[0019] 1. Box; 2. Base; 3. Placement table; 4. Sphere; 5. Hydraulic rod; 6. Top plate; 7. Motor three; 8. Grinding disc; 9. Hydraulic cylinder; 10. Protrusion; 11. Motor one; 12. Motor two; 13. Drum two; 14. Drum one. DETAILED DESCRIPTION

[0020] 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.

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1:

[0023] like Figures 1 to 3 As shown, the spherical grinding machine proposed by the utility model includes a box body 1, a placing table 33, a sphere 4, a top plate 6 and a grinding disc 8. A placing table 33 is arranged on the upper end of the box body 1, and the sphere 4 is placed inside the placing table 33. A top plate 6 is arranged on the upper end of the placing table 33. A hydraulic cylinder 9 distributed in a square array is arranged on the upper end of the box body 1, and a hydraulic rod 5 is arranged on the upper end of the hydraulic cylinder 9. The upper end of the hydraulic rod 5 is fixedly connected to the lower surface of the top plate 6. The height of the top plate 6 can be adjusted by the hydraulic cylinder 9 to facilitate the installation of the prisoners and the fitting effect of the grinding disc 8 and the upper surface of the sphere 4. A grinding disc 8 is rotatably installed on the lower end of the top plate 6. The lower surface of the grinding disc 8 is designed as an inner arc, and the inner surface of the grinding disc 8 is provided with protrusions 10 distributed in a ring array. The arc design and the protrusions 10 can achieve a grinding effect on a larger area of ​​the upper surface of the sphere 4.

[0024] In this embodiment: the device can utilize the concave grinding disc 8 on the upper end of the sphere 4 to achieve a grinding effect on a portion of the upper surface of the sphere 4.

[0025] Embodiment 2:

[0026] like Figures 1 to 3 As shown, the spherical grinding machine proposed by the utility model, compared with the embodiment 1, this embodiment also includes: a motor 3 7 is arranged on the upper end of the top plate 6, the motor 3 7 is fixedly connected to the upper end of the grinding disc 8 through a rotating shaft, and a base 2 distributed in a square array is arranged at the lower end of the box 1, and the grinding disc 8 can be driven to rotate by the motor 3 7. The base 2 can increase the stability of the device and reduce the propagation of noise to a certain extent. A roller 14 distributed in a ring array is arranged below the inner wall of the placement table 3, and the roller 14 is in contact with the lower surface of the sphere 4. A motor 11 is arranged on one side of the roller 14, and the motor 11 is adapted to the roller 14. When rotating, roller 14 can drive the sphere 4 to rotate horizontally. A roller 2 13 is provided at the bottom of the placement table 3. Roller 2 13 is in contact with the lower surface of the sphere 4. A motor 2 12 is provided on one side of roller 2 13. Motor 2 12 is adapted to roller 2 13. The rotation of roller 2 13 can drive the sphere 4 to rotate vertically. By adjusting the rotation speed of motor 1 11 and motor 2 12, the rotation effect of the sphere 4 in various directions inside the placement table 3 can be achieved, so that all outer surfaces of the sphere 4 can be polished by the polishing disc 8. This polishing speed can be very high, which is convenient for polishing the outer surface of a large sphere 4.

[0027] In this embodiment, the device can utilize the driving roller 1 14 and the roller 2 13 at the lower end and both sides of the sphere 4 to realize uninterrupted rotation of the sphere 4, so that each point on the spherical surface can contact with the grinding disc 8 and be processed and polished, achieving an efficient polishing effect.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A spherical grinding machine, comprising a housing (1), a placing table (3), a sphere (4), a top plate (6) and a grinding disc (8), characterized in that: A placing table (3) (3) is arranged at the upper end of the box body (1), a ball (4) is placed inside the placing table (3) (3), a top plate (6) is arranged at the upper end of the placing table (3) (3), and a grinding disc (8) is rotatably mounted at the lower end of the top plate (6).

2. The spherical grinding machine according to claim 1, characterized in that: A third motor (7) is disposed at the upper end of the top plate (6), and the third motor (7) is fixedly connected to the upper end of the grinding disc (8) via a rotating shaft. A base (2) distributed in a square array is disposed at the lower end of the box body (1).

3. The spherical grinding machine according to claim 1, characterized in that: The lower surface of the grinding disc (8) is designed as an inner arc, and the inner surface of the grinding disc (8) is provided with protrusions (10) distributed in a ring array.

4. The spherical grinding machine according to claim 1, characterized in that: The upper end of the box body (1) is provided with hydraulic cylinders (9) distributed in a square array, the upper end of the hydraulic cylinders (9) is provided with hydraulic rods (5), and the upper end of the hydraulic rods (5) is fixedly connected to the lower surface of the top plate (6).

5. The spherical grinding machine according to claim 1, characterized in that: A circular array of rollers (14) is arranged below the inner wall of the placement table (3), and the rollers (14) are in contact with the lower surface of the sphere (4). A motor (11) is arranged on one side of the rollers (14), and the motor (11) is adapted to fit the rollers (14).

6. The spherical grinding machine according to claim 1, characterized in that: A second roller (13) is arranged at the bottom end of the placing platform (3), and the second roller (13) is in contact with the lower surface of the sphere (4). A second motor (12) is arranged on one side of the second roller (13), and the second motor (12) is adapted to the second roller (13).

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