Spherical surface grinding machine

Abstract

The utility model provides a spherical surface grinding machine. The spherical surface grinding machine comprises a box body, an upper mounting mechanism and a lower mounting mechanism, the lower mounting mechanism comprises a first rotary driving device, a rotary table and a lower workpiece locking tool; the first rotary driving device is mounted on the case, and a power output end is connected with the turntable; the lower workpiece locking tool is mounted at the central position above the turntable; the upper mounting mechanism comprises a rack, a second rotating driving device, a rotating shaft, a rotating connecting frame, a lifting driving device, a lifting movable plate and an upper workpiece mounting tool; the rack is fixed on the box body; the rotating shaft is rotationally connected to the rack; the second rotation driving device is installed on the rack, and the power output end is connected with the rotating shaft. The rotary connecting frame is fixed on one side of the rotating shaft; the lifting driving device is mounted on the rotary connecting frame and is connected with the lifting movable plate; a mounting part inclined downwards in the horizontal direction is arranged on one side, corresponding to the rotating shaft, of the lifting movable plate; and the upper workpiece mounting tool is fixed below the mounting part.

Description

Technical Field

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

[0002] A spherical grinder is a device used to grind and polish the surface of a workpiece with a spherical surface. This design processes two workpieces with spherical surfaces, where workpiece one has a convex spherical surface and workpiece two has a concave spherical surface. The inner diameter of the concave spherical surface is the same as the outer diameter of the convex spherical surface, but the height of the concave spherical surface is smaller than the height of the convex spherical surface. In the past, the two workpieces were usually processed separately using two separate grinding devices, resulting in low production efficiency and high cost, so improvements are needed. Utility Model Content

[0003] The utility model aims to provide a spherical grinding machine to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A spherical grinder comprises a box body and an upper mounting mechanism and a lower mounting mechanism which are arranged on the box body in an upper and lower distribution; the lower mounting mechanism comprises a first rotary drive device, a turntable and a lower workpiece locking fixture; the first rotary drive device is mounted on the box body and the power output end is connected to the turntable; the lower workpiece locking fixture is mounted at the center position above the turntable; the upper mounting mechanism comprises a frame, a second rotary drive device, a rotating shaft, a rotating connecting frame, a lifting drive device, a lifting movable plate and an upper workpiece mounting fixture; the frame is fixed on the box body; the rotating shaft is rotatably connected to the frame and the axial direction of the rotating shaft and the axial direction of the rotating disk are located in the same straight line; the second rotary drive device is mounted on the frame and the power output end is connected to the rotating shaft; the rotating connecting frame is fixed on one side of the lower end of the rotating shaft; the lifting drive device is mounted on the rotating connecting frame and the power output end is connected to the lifting movable plate; a mounting portion inclined downward in a horizontal direction is provided on one side of the lifting movable plate corresponding to the rotating shaft; the upper workpiece mounting fixture is arranged perpendicular to the mounting portion and fixed below the mounting portion.

[0006] To further describe the present invention, the first rotation drive device adopts a first motor.

[0007] Further description of the utility model, the lower workpiece locking fixture includes a support seat and a locking plate; the locking plate and the support seat are locked by screws; the locking plate is used to lock the lower workpiece above the support seat.

[0008] Further description of the utility model, the second rotation drive device includes a second motor, a driving wheel, a synchronous belt and a driven wheel; the second motor is fixed on the frame and the power output end is connected to the driving wheel; the driven wheel is fixed to the upper end of the rotating shaft; the synchronous belt transmission is connected between the driving wheel and the driven wheel.

[0009] Further description of the utility model, the rotating connecting frame includes an upper mounting plate and two guide pillars; the right part of the upper mounting plate is fixed to the lower end of the rotating shaft; the two guide pillars are distributed and installed on the left and right sides below the left part of the upper mounting plate; the lifting drive device is installed above the left part of the upper mounting plate; the lifting movable plate is slidably connected to the guide pillars through a guide sleeve.

[0010] Further description of the utility model, the lifting drive device adopts a cylinder.

[0011] To further describe the present invention, the angle between the mounting portion and the horizontal plane is 5°.

[0012] Further description of the utility model, the upper workpiece mounting tooling includes a first mounting shaft, a coupling, a second mounting shaft and a mounting seat; the upper end of the first mounting shaft is fixed on the mounting portion; the second mounting shaft is installed below the first mounting shaft through a coupling; the mounting seat is fixed below the second mounting shaft; a mounting groove is provided at the bottom of the mounting seat; and a clearance recess is provided above the mounting groove of the mounting seat.

[0013] The beneficial effects of the utility model are:

[0014] This design locks workpiece one on the lower workpiece locking fixture, and workpiece two is installed below the upper workpiece mounting fixture. Since the upper workpiece mounting fixture is vertically installed on the inclined mounting portion, workpiece two is in an inclined state. During operation, after the lifting drive device controls the lifting movable plate to descend, the convex spherical surface above workpiece one contacts the concave spherical surface at the bottom of workpiece two. The first rotary drive device controls the rotation of workpiece one to provide a grinding speed, and the second rotary drive device controls the rotation of workpiece two around the rotating axis, so that workpiece two swings relative to workpiece one during the grinding process, thereby increasing the grinding area and grinding the two workpieces against each other. This setting can greatly improve work efficiency and machining accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 It is a right view of the utility model;

[0017] Figure 3 yes Figure 2 Cross-sectional view of the middle DD;

[0018] Figure 4 It is a structural diagram of the mounting mechanism of the utility model;

[0019] Figure 5 It is a left side view of the upper mounting mechanism of the utility model;

[0020] Figure 6 yes Figure 5 Sectional view of AA. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] like Figure 1-6As shown, a spherical grinding machine comprises a box body 1 and an upper mounting mechanism 2 and a lower mounting mechanism 3 which are arranged on the box body 1 in an upper and lower distribution; the lower mounting mechanism 3 comprises a first rotary drive device 31, a turntable 32 and a lower workpiece locking fixture 33; the first rotary drive device 31 is installed on the chassis and the power output end is connected to the turntable 32; the lower workpiece locking fixture 33 is installed at the center position above the turntable 32; the upper mounting mechanism 2 comprises a frame 21, a second rotary drive device 22, a rotating shaft 23, a rotating connecting frame 24, a lifting drive device 25, a lifting movable plate 26 and an upper workpiece mounting fixture 27; the frame 21 is fixed on the box body 1; the rotating shaft 23 is rotatably connected to the frame 21 and the rotating shaft 23 The axial direction of the rotary table 32 is in the same straight line; the second rotary drive device 22 is mounted on the frame 21 and the power output end is connected to the rotating shaft 23; the rotary connecting frame 24 is fixed to one side of the lower end of the rotating shaft 23; the lifting drive device 25 is mounted on the rotary connecting frame 24 and the power output end is connected to the lifting movable plate 26; the lifting movable plate 26 is provided with a mounting portion 261 inclined downward in the horizontal direction on one side corresponding to the rotating shaft 23; the upper workpiece mounting fixture 27 is arranged perpendicular to the mounting portion 261 and fixed below the mounting portion 261; the workpiece 10 processed by this design has an upper spherical surface and a lower spherical surface that are symmetrical in the upper and lower parts, a first through hole arranged vertically in the middle, and a vertically arranged first through hole in the middle of the workpiece 20 The second through hole has a concave spherical groove at the bottom. The outer diameters of the upper spherical surface, the lower spherical surface and the spherical groove are the same, but the height of the spherical groove is smaller than the upper spherical surface and the lower spherical surface. During processing of this design, the workpiece 10 is locked on the lower workpiece locking fixture 33, and the workpiece 20 is installed below the upper workpiece mounting fixture 27. Since the upper workpiece mounting fixture 27 is vertically installed on the inclined mounting portion 261, the workpiece 20 is in an inclined state. During operation, after the lifting drive device 25 controls the lifting movable plate 26 to descend, the convex spherical surface above the workpiece 10 contacts the concave spherical surface at the bottom of the workpiece 20. The first rotation drive device 31 controls the rotation of the workpiece 10 to provide a grinding speed. The second rotation drive device 22 controls the workpiece 20. Rotate around the rotating shaft 23, wherein the directions controlled by the first rotating drive device 31 and the second rotating drive device 22 can be opposite or the same, and the rotation speed controlled by the first rotating drive device 31 is higher than that of the second rotating drive device 22, and the grinding between the two workpieces is realized by the speed difference. During the grinding process, the workpiece 20 has a swinging effect relative to the workpiece 10, which can increase the grinding area of ​​the workpiece 10 during processing, and grind the entire upper spherical surface of the workpiece 10. The two workpieces are grinded against each other. After the upper spherical surface processing is completed, the workpiece 10 is taken out and turned 180° for clamping, and its lower spherical surface is further ground, so that the grinding of the two workpieces can be completed. This setting can greatly improve the work efficiency and processing accuracy.

[0023] The first rotation driving device 31 adopts a first motor.

[0024] The lower workpiece locking fixture 33 includes a support seat 331 and a locking plate 332; the locking plate 332 and the support seat 331 are locked by screws; the locking plate 332 is used to lock the lower workpiece above the support seat 331, the workpiece 10 is placed on the support seat 331, and then the locking plate 332 is placed above the workpiece 10 and locked on the support seat 331 by screws to complete the locking and fixation of the workpiece 10.

[0025] The second rotation driving device 22 includes a second motor 221, a driving wheel 222, a synchronous belt 223 and a driven wheel 224; the second motor 221 is fixed on the frame 21 and the power output end is connected to the driving wheel 222; the driven wheel 224 is fixed to the upper end of the rotating shaft 23; the synchronous belt 223 is transmission-connected between the driving wheel 222 and the driven wheel 224.

[0026] The rotating connecting frame 24 includes an upper mounting plate 241 and two guide pillars 242; the right part of the upper mounting plate 241 is fixed to the lower end of the rotating shaft 23; the two guide pillars 242 are installed on the lower part of the left part of the upper mounting plate 241 in a left-right distribution; the lifting drive device 25 is installed on the upper part of the left part of the upper mounting plate 241, and the lifting drive device 25 adopts a cylinder; the lifting movable plate 26 is slidably connected to the guide pillar 242 through a guide sleeve 262, and the guide pillar 242 guides the lifting movable plate 26 to improve stability and control accuracy.

[0027] In this design, the angle between the mounting portion 261 and the horizontal plane is 5°, and the inclination angle of the workpiece 20 relative to the workpiece 10 is also 5°.

[0028] The upper workpiece mounting tool 27 includes a first mounting shaft 271, a coupling 272, a second mounting shaft 273 and a mounting seat 274; the upper end of the first mounting shaft 271 is fixed on the mounting portion 261; the second mounting shaft 273 is mounted below the first mounting shaft 271 through the coupling 272; the mounting seat 274 is fixed below the second mounting shaft 273; a mounting groove 2741 is provided at the bottom of the mounting seat 274; a clearance recess 2742 is provided above the mounting groove 2741 corresponding to the mounting groove 2741 of the mounting seat 274, and the setting of the clearance recess 2742 prevents the mounting seat 274 from colliding with the workpiece 10 during processing. The workpiece 20 of this design is fixed in the mounting groove 2741 by bonding.

[0029] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A spherical grinding machine, characterized in that: The cam is an angular movement, the rotation of the cam being an axis that is located adjacent to the axis of the rotating shaft and the axis of the rotating shaft being in a line with the axis of the rotating shaft being in the same line as the axis of the rotating shaft. The cam is actuated by a spring, and the cam is connected to the axis of the rotating shaft by a spring. The cam is secured to the chassis with a first end and a second end. The cam is secured to the chassis with a first end and a second end.

2. A spherical grinding machine according to claim 1, characterized in that: The first rotation driving device adopts a first motor.

3. A spherical grinding machine according to claim 1, characterized in that: The lower workpiece locking fixture comprises a support seat and a locking plate; the locking plate and the support seat are locked by screws; the locking plate is used to lock the lower workpiece above the support seat.

4. A spherical grinding machine according to claim 1, characterized in that: The second rotary drive device includes a second motor, a driving wheel, a synchronous belt and a driven wheel; the second motor is fixed on the frame and the power output end is connected to the driving wheel; the driven wheel is fixed to the upper end of the rotating shaft; the synchronous belt transmission is connected between the driving wheel and the driven wheel.

5. A spherical grinding machine according to claim 1, characterized in that: The rotating connecting frame includes an upper mounting plate and two guide pillars; the right part of the upper mounting plate is fixed to the lower end of the rotating shaft; the two guide pillars are installed on the lower part of the left part of the upper mounting plate on the left and right sides; the lifting drive device is installed on the upper part of the left part of the upper mounting plate; the lifting movable plate is slidably connected to the guide pillars through a guide sleeve.

6. A spherical grinding machine according to claim 1, characterized in that: The lifting drive device adopts a cylinder.

7. A spherical grinding machine according to claim 1, characterized in that: The angle between the mounting portion and the horizontal plane is 5°.

8. A spherical grinding machine according to claim 1, characterized in that: The upper workpiece mounting tooling includes a first mounting shaft, a coupling, a second mounting shaft and a mounting seat; the upper end of the first mounting shaft is fixed on the mounting portion; the second mounting shaft is mounted below the first mounting shaft through a coupling; the mounting seat is fixed below the second mounting shaft; a mounting groove is provided at the bottom of the mounting seat; and a clearance recess is provided above the mounting groove corresponding to the mounting seat.

Images