Cylindrical grinding machine

By introducing an automated measurement system into the cylindrical grinding machine, the problems of low efficiency and large errors in manual measurement have been solved, enabling efficient and accurate measurement of shaft diameters and improving machining accuracy and quality.

CN223700260UActive Publication Date: 2025-12-23SHENYANG DEEP WELL SUBMERSIBLE PUMP CO LTD
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Patent Information

Application Number
CN202522457949.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-20
Publication Date
2025-12-23
Estimated Expiration
2035-11-20

AI Technical Summary

Technical Problem

After machining shaft parts, the measurement work of existing cylindrical grinding machines mainly relies on manual operation, which is inefficient, requires high operator skills and physical strength, and is prone to measurement errors, affecting machining accuracy and quality.

Method used

An automated measurement system is adopted, which uses a measuring tool structure driven by a servo motor and hydraulic cylinder to realize the automatic measurement of shafts. The diameter value is displayed by a scale and pointer, reducing manual intervention.

Benefits of technology

It improves measurement efficiency, reduces the labor intensity of workers, reduces measurement errors, and ensures the machining accuracy and quality of shaft parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223700260U_ABST
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Abstract

The utility model belongs to the technical field of grinding machines, and particularly relates to a cylindrical grinding machine which comprises a machine body, a second inverted-L-shaped frame is arranged on the top face of the machine body in a sliding mode, a fourth inverted-L-shaped frame is fixedly arranged at the end of the second inverted-L-shaped frame, a third inverted-L-shaped frame is arranged on the front face of the fourth inverted-L-shaped frame in a sliding mode, and a lower measuring plate is fixedly arranged at the bottom of the front face of the third inverted-L-shaped frame. A sixth servo hydraulic cylinder is fixedly arranged on an upper arm of the third inverted-L-shaped frame, an upper measuring plate is fixedly arranged at the telescopic end of the sixth servo hydraulic cylinder, the upper measuring plate is located above the lower measuring plate, and a graduated scale is fixedly arranged on the front face of the third inverted-L-shaped frame. According to the utility model, the third inverted L-shaped frame moves upwards to drive the lower measuring plate to move upwards and contact with the shaft, the sixth servo hydraulic cylinder extends to drive the upper measuring plate to move downwards and contact with the shaft, and at the moment, the observation pointer reads the scale value on the graduated scale, thereby realizing the measurement of the diameter of the shaft.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grinding machine, especially relates to a cylindrical grinding machine. BACKGROUND

[0002] The cylindrical grinding machine is the equipment for grinding the shaft parts in the mechanical processing, and its core function is to remove the material and realize the forming of the outer circle of the shaft part through the relative movement between the grinding wheel and the surface of the shaft part, and after the processing of the shaft part is completed, the outer circle diameter of the shaft part must be accurately measured to ensure that the size precision meets the design requirement.

[0003] At present, after the processing of the shaft part is completed, the measuring work of the cylindrical grinding machine mainly depends on the manual operation, and the workers need to hold the measuring tool to measure the outer circle diameter of the shaft part one by one, and this measuring method is not only low in efficiency, but also has high requirements on the operation skills and physical strength of the workers, and since the shaft part usually has a long length, the workers need to frequently adjust the position and angle of the measuring tool during the measuring process, which not only increases the labor intensity of the workers, but also easily leads to the measuring error due to improper operation, thereby affecting the processing precision and quality of the shaft part. TECHNICAL SOLUTION

[0004] In view of the defects in the prior art, the utility model provides a cylindrical grinding machine, which solves the technical problem that the measuring work of the existing cylindrical grinding machine mainly depends on the manual operation after the processing of the shaft part is completed, the workers need to hold the measuring tool to measure the outer circle diameter of the shaft part one by one, this measuring method is not only low in efficiency, but also has high requirements on the operation skills and physical strength of the workers, and since the shaft part usually has a long length, the workers need to frequently adjust the position and angle of the measuring tool during the measuring process, which not only increases the labor intensity of the workers, but also easily leads to the measuring error due to improper operation, thereby affecting the processing precision and quality of the shaft part.

[0005] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0006] An external cylindrical grinder, including bed, worktable, grinding wheel, the top surface of the bed is fixedly provided with first dovetail guide rail and second dovetail guide rail, the first dovetail guide rail is slidably provided with first inverted L-shaped frame, the end of the first inverted L-shaped frame is fixedly provided with first servo motor, the driving shaft of the first servo motor is fixedly installed with grinding wheel, the second dovetail guide rail is slidably provided with second inverted L-shaped frame, the end of the second inverted L-shaped frame is fixedly provided with fourth inverted L-shaped frame, the front surface of the fourth inverted L-shaped frame is fixedly provided with third dovetail guide rail, the third dovetail guide rail is slidably provided with third inverted L-shaped frame, the front surface of the third inverted L-shaped frame is fixedly provided with lower gauge plate, the upper arm of the third inverted L-shaped frame is fixedly provided with sixth servo hydraulic cylinder, the telescopic end of the sixth servo hydraulic cylinder is fixedly provided with upper gauge plate, the upper gauge plate is located above the lower gauge plate, the front surface of the third inverted L-shaped frame is fixedly provided with scale, the top surface of the bed is fixedly provided with fourth dovetail guide rail, the fourth dovetail guide rail is slidably provided with worktable.

[0007] Further, the zero scale line of the scale is flush with the top surface of the lower gauge plate.

[0008] Further, the one side surface of the upper gauge plate is fixedly provided with pointer at the bottom, the pointer is matched with the scale, and the pointer points to the zero scale line of the scale when the upper gauge plate contacts the lower gauge plate.

[0009] Further, the top surface of the bed is fixedly provided with mounting seat, the first servo hydraulic cylinder and the second servo hydraulic cylinder are fixedly arranged on the mounting seat, the telescopic end of the first servo hydraulic cylinder is fixedly connected with the rear surface of the first inverted L-shaped frame, and the telescopic end of the second servo hydraulic cylinder is fixedly connected with the rear surface of the second inverted L-shaped frame.

[0010] Further, the upper arm of the fourth inverted L-shaped frame is fixedly provided with third servo hydraulic cylinder, and the telescopic end of the third servo hydraulic cylinder is fixedly connected with the top surface of the third inverted L-shaped frame.

[0011] Further, the top surface of the worktable is fixedly provided with headstock, the second servo motor is fixedly arranged on the upper end of the headstock, and the driving shaft of the second servo motor is fixedly installed with three-jaw chuck.

[0012] Further, the top surface of the bed is fixedly provided with fixing seat, the fourth servo hydraulic cylinder is fixedly arranged on the fixing seat, and the telescopic end of the fourth servo hydraulic cylinder is fixedly connected with the headstock.

[0013] Further, the top surface of the worktable is fixedly provided with tailstock, the fifth servo hydraulic cylinder is fixedly arranged on the tailstock, and the telescopic end of the fifth servo hydraulic cylinder is rotatably provided with center.

[0014] The external cylindrical grinder has the advantages that:

[0015] 1. The shaft is clamped at one end by a three-jaw chuck. The fifth servo hydraulic cylinder extends to drive the center point to be inserted into the center hole at the other end of the shaft. After the shaft is clamped, the shaft can be rotated by rotating the three-jaw chuck. The first inverted L-shaped bracket can be moved closer to the shaft by extending the first servo hydraulic cylinder, thereby driving the grinding wheel to contact the surface of the shaft. The shaft can be moved laterally by moving the worktable laterally, thus realizing the grinding process of the shaft.

[0016] 2. Moving the second inverted L-shaped frame forward moves the lower and upper measuring plates forward, positioning the shaft between them. Moving the third inverted L-shaped frame upward moves the lower measuring plate upward, bringing it into contact with the shaft. Extending the sixth servo hydraulic cylinder moves the upper measuring plate downward, bringing it into contact with the shaft. At this point, the pointer is observed to read the scale value on the ruler, thus measuring the shaft diameter. This method also facilitates the measurement of shafts of different diameters without requiring manual measurement by workers, preventing measurement errors caused by improper manual operation and reducing the labor intensity of workers. Attached Figure Description

[0017] Figure 1 This is a first perspective view of the present invention;

[0018] Figure 2 for Figure 1 Enlarged diagram of A in the middle;

[0019] Figure 3 This is a second perspective view of the present invention.

[0020] In the diagram: 1. Bed; 2. Fourth dovetail guide rail; 3. Fifth servo hydraulic cylinder; 4. Tailstock; 5. Worktable; 6. Center; 7. Lower measuring plate; 8. Upper measuring plate; 9. Third inverted L-shaped frame; 10. Headstock; 11. Fourth servo hydraulic cylinder; 12. Fixed base; 13. Second servo motor; 14. Three-jaw chuck; 15. Sixth servo hydraulic cylinder; 16. Third servo hydraulic cylinder; 17. Third dovetail guide rail; 18. Fourth inverted L-shaped frame; 19. First inverted L-shaped frame; 20. Second inverted L-shaped frame; 21. First servo hydraulic cylinder; 22. First dovetail guide rail; 23. Mounting base; 24. Second servo hydraulic cylinder; 25. Second dovetail guide rail; 26. Scale; 27. Pointer; 28. Grinding wheel; 29. ​​First servo motor; 100. Shaft. Detailed Implementation

[0021] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] like Figures 1-3As shown, this utility model provides an external cylindrical grinding machine, including a bed 1, a worktable 5, and a grinding wheel 28. A first dovetail guide rail 22 and a second dovetail guide rail 25 are fixedly mounted on the top surface of the bed 1. A first inverted L-shaped frame 19 is slidably mounted on the first dovetail guide rail 22. A first servo motor 29 is fixedly mounted at the end of the first inverted L-shaped frame 19, and the grinding wheel 28 is fixedly mounted on the drive shaft of the first servo motor 29. A second inverted L-shaped frame 20 is slidably mounted on the second dovetail guide rail 25. A fourth inverted L-shaped frame 18 is fixedly mounted at the end of the second inverted L-shaped frame 20. A fourth inverted L-shaped frame 18 is fixedly mounted on the front of the fourth inverted L-shaped frame 18. The third dovetail guide rail 17 has a third inverted L-shaped frame 9 that slides on it. A lower measuring plate 7 is fixedly mounted on the bottom front of the third inverted L-shaped frame 9. A sixth servo hydraulic cylinder 15 is fixedly mounted on the upper arm of the third inverted L-shaped frame 9. An upper measuring plate 8 is fixedly mounted on the telescopic end of the sixth servo hydraulic cylinder 15. The upper measuring plate 8 is located above the lower measuring plate 7. A scale 26 is fixedly mounted on the front of the third inverted L-shaped frame 9. A fourth dovetail guide rail 2 is fixedly mounted on the top surface of the bed 1. A worktable 5 slides on the fourth dovetail guide rail 2. The zero mark of the scale 26 is flush with the top surface of the lower measuring plate 7. A dial indicator is mounted on one side of the upper measuring plate 8. A pointer 27 is fixedly installed at the bottom of the bed 1. The pointer 27 matches the scale 26. When the upper measuring plate 8 contacts the lower measuring plate 7, the pointer 27 points to the zero mark of the scale 26. A mounting base 23 is fixedly installed on the top surface of the bed 1. A first servo hydraulic cylinder 21 and a second servo hydraulic cylinder 24 are fixedly installed on the mounting base 23. The extension end of the first servo hydraulic cylinder 21 is fixedly connected to the rear surface of the first inverted L-shaped frame 19, and the extension end of the second servo hydraulic cylinder 24 is fixedly connected to the rear surface of the second inverted L-shaped frame 20. A third servo hydraulic cylinder 16 is fixedly installed on the upper arm of the fourth inverted L-shaped frame 18. The telescopic end of hydraulic cylinder 16 is fixedly connected to the top surface of the third inverted L-shaped frame 9; a headstock 10 is fixedly mounted on the top surface of the worktable 5, a second servo motor 13 is fixedly mounted on the upper end of the headstock 10, and a three-jaw chuck 14 is fixedly mounted on the drive shaft of the second servo motor 13; a fixed seat 12 is fixedly mounted on the top surface of the bed 1, a fourth servo hydraulic cylinder 11 is fixedly mounted on the fixed seat 12, and the telescopic end of the fourth servo hydraulic cylinder 11 is fixedly connected to the headstock 10; a tailstock 4 is fixedly mounted on the top surface of the worktable 5, a fifth servo hydraulic cylinder 3 is fixedly mounted on the tailstock 4, and a center point 6 is rotatably mounted on the telescopic end of the fifth servo hydraulic cylinder 3.

[0023] In use, one end of the shaft 100 is clamped by the three-jaw chuck 14. The fifth servo hydraulic cylinder 3 extends to drive the center point 6 to be inserted into the center hole of the other end of the shaft 100. After the shaft 100 is clamped, the second servo motor 13 is started to drive the three-jaw chuck 14 to rotate. The rotation of the three-jaw chuck 14 drives the shaft 100 to rotate. The first servo motor 29 is started to drive the grinding wheel 28 to rotate. The extension of the first servo hydraulic cylinder 21 drives the first inverted L-shaped frame 19 to approach the shaft 100, thereby driving the grinding wheel 28 to contact the surface of the shaft 100. The extension and retraction of the fourth servo hydraulic cylinder 11 drives the worktable 5 to move laterally. The lateral movement of the worktable 5 drives the lateral movement of the shaft 100, thereby realizing the grinding process of the shaft 100.

[0024] After the shaft 100 is ground, the extension of the second servo hydraulic cylinder 24 drives the second inverted L-shaped frame 20 to move forward. The forward movement of the second inverted L-shaped frame 20 drives the lower measuring plate 7 and the upper measuring plate 8 to move forward, so that the shaft 100 is located between the lower measuring plate 7 and the upper measuring plate 8. The shortening of the third servo hydraulic cylinder 16 drives the third inverted L-shaped frame 9 to move upward. The upward movement of the third inverted L-shaped frame 9 drives the lower measuring plate 7 to move upward and contact the shaft 100. The extension of the sixth servo hydraulic cylinder 15 drives the upper measuring plate 8 to move downward and contact the shaft 100. At this time, the pointer 27 is observed to read the scale value on the scale 26, realizing the measurement of the diameter of the shaft 100. It also facilitates the measurement of shafts with different diameters without the need for manual measurement by the staff, preventing measurement errors caused by improper manual measurement operation, and reducing the labor intensity of the workers.

[0025] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any modifications, alterations, substitutions, and variations made by those skilled in the art to the above embodiments are within the scope of the present invention.

Claims

1. An external cylindrical grinding machine, comprising a bed (1), a worktable (5), and a grinding wheel (28), characterized in that, The top surface of the bed (1) is fixedly provided with a first dovetail guide rail (22) and a second dovetail guide rail (25). A first inverted L-shaped frame (19) is slidably provided on the first dovetail guide rail (22). A first servo motor (29) is fixedly provided at the end of the first inverted L-shaped frame (19). A grinding wheel (28) is fixedly installed on the drive shaft of the first servo motor (29). A second inverted L-shaped frame (20) is slidably provided on the second dovetail guide rail (25). A fourth inverted L-shaped frame (18) is fixedly provided at the end of the second inverted L-shaped frame (20). A third dovetail guide rail (17) is fixedly provided on the front of the fourth inverted L-shaped frame (18). The third dovetail guide rail (17) is slidably provided with a third inverted L-shaped frame (9). The bottom front of the third inverted L-shaped frame (9) is fixedly provided with a lower measuring plate (7). The upper arm of the third inverted L-shaped frame (9) is fixedly provided with a sixth servo hydraulic cylinder (15). The telescopic end of the sixth servo hydraulic cylinder (15) is fixedly provided with an upper measuring plate (8). The upper measuring plate (8) is located above the lower measuring plate (7). The front of the third inverted L-shaped frame (9) is fixedly provided with a scale (26). The top surface of the bed (1) is fixedly provided with a fourth dovetail guide rail (2). The fourth dovetail guide rail (2) is slidably provided with a worktable (5).

2. The external cylindrical grinding machine according to claim 1, characterized in that, The zero mark of the scale (26) is flush with the top surface of the lower measuring plate (7).

3. The external cylindrical grinding machine according to claim 1, characterized in that, A pointer (27) is fixedly provided on the bottom of one side surface of the upper measuring plate (8). The pointer (27) matches the scale (26). When the upper measuring plate (8) contacts the lower measuring plate (7), the pointer (27) points to the zero mark of the scale (26).

4. The external cylindrical grinding machine according to claim 1, characterized in that, The top surface of the bed (1) is fixedly provided with a mounting base (23), and a first servo hydraulic cylinder (21) and a second servo hydraulic cylinder (24) are fixedly provided on the mounting base (23). The telescopic end of the first servo hydraulic cylinder (21) is fixedly connected to the rear surface of the first inverted L-shaped frame (19), and the telescopic end of the second servo hydraulic cylinder (24) is fixedly connected to the rear surface of the second inverted L-shaped frame (20).

5. The external cylindrical grinding machine according to claim 1, characterized in that, The upper arm of the fourth inverted L-shaped frame (18) is fixedly equipped with a third servo hydraulic cylinder (16), and the telescopic end of the third servo hydraulic cylinder (16) is fixedly connected to the top surface of the third inverted L-shaped frame (9).

6. The external cylindrical grinding machine according to claim 1, characterized in that, The workbench (5) is fixedly provided with a head frame (10) on its top surface. The head frame (10) is fixedly provided with a second servo motor (13) at its upper end. The drive shaft of the second servo motor (13) is fixedly installed with a three-jaw chuck (14).

7. An external cylindrical grinding machine according to claim 6, characterized in that, The top surface of the bed (1) is fixedly provided with a fixed seat (12), and a fourth servo hydraulic cylinder (11) is fixedly provided on the fixed seat (12). The extension end of the fourth servo hydraulic cylinder (11) is fixedly connected to the head frame (10).

8. The external cylindrical grinding machine according to claim 1, characterized in that, The workbench (5) is fixedly provided with a tailstock (4) on its top surface. A fifth servo hydraulic cylinder (3) is fixedly provided on the tailstock (4). The telescopic end of the fifth servo hydraulic cylinder (3) is provided with a center point (6).