CN219054038U

CN219054038U - Online automatic measuring mechanism of numerically controlled grinder

Info

Publication number: CN219054038U
Application number: CN202320147862.1U
Authority: CN
Inventors: 陆受东; 蒙秦妹; 林耀才
Original assignee: GUILIN GUIBEI MACHINE CO Ltd
Current assignee: GUILIN GUIBEI MACHINE CO Ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-23
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses an online automatic measuring mechanism of a numerically controlled grinder, which comprises a measuring head, wherein the measuring head is arranged on a double-shaft cylinder extending downwards from a double-shaft cylinder through a connecting seat, and a cylinder body of the double-shaft cylinder is arranged on a grinding head through a frame plate; a guide plate is arranged on the frame plate below the connecting seat, and a mechanical striker is arranged between the guide plate and the connecting seat; the double-shaft cylinder and the measuring head are respectively connected with a program control unit and a data processing unit of the numerical control system through signal lines; the high-pressure jet head capable of cleaning the measuring head through high-pressure air is arranged on the connecting seat through the plate frame, and the high-pressure water spray head capable of cleaning the measuring head through high-pressure water is arranged on the grinding head. The utility model realizes real-time detection and automatic machine tool precision compensation in the processing process through online data acquisition and analysis, reduces offline measurement errors, improves measurement precision, ensures consistency of the processing dimension of parts, realizes measurement and processing integrated production, shortens production auxiliary time, and improves production efficiency.

Description

Online automatic measuring mechanism of numerically controlled grinder

Technical Field

The utility model relates to a mechanical processing equipment part, in particular to an on-line automatic measuring mechanism of a numerical control grinder.

Background

The numerical control machine tool is a product of modern high-tech development, and a large number of detection needs to be completed every time a batch of workpieces begin to be processed, including clamping and aligning of a clamp and the workpieces, determination of a programmed origin of the workpieces, detection of a first workpiece, detection among working procedures, detection of the completion of processing and the like.

Currently, the main means for performing the above detection work are manual detection, off-line detection and on-line detection.

On the one hand, in the traditional machine tool measurement technology process, after the machine tool operator carries out earlier machine tool measurement and machine adjustment, the machine tool operator needs to wait for the corresponding manufacturing equipment such as the numerical control machine tool to finish machining and take off the machine before carrying out offline measurement and detection on the machined part, and the measurement and detection mode not only greatly reduces the utilization rate and the production efficiency of the manufacturing equipment such as the numerical control machine tool, but also easily increases unnecessary production cost for enterprises due to offline transportation; on the other hand, in the traditional machine tool measuring process, different measuring and detecting modes are provided for different workpieces, and the detecting steps are carried out according to the preference of a machine tool operator, so that the machine tool measuring and detecting process is quite irregular, and even the machining efficiency of the machine tool is affected.

And the machine tool on-line measurement technology enables manufacturing equipment such as a numerical control machine tool and the like to realize measurement and processing integration, thereby greatly improving the use efficiency and the production and processing efficiency of the manufacturing equipment.

Compared with the traditional machine tool measuring process, the machine tool online measuring technology has great development advantages, and the application of the technology can lead manufacturing equipment such as a numerical control machine tool and the like to be more standard and efficient in the measuring and detecting process and lead the manufacturing equipment to be more automatic, efficient and precise in the whole production and processing process. And the method has positive significance for improving the production efficiency, shortening the production period, reducing the production cost and improving the core competitiveness of manufacturing enterprises.

Therefore, the future machine tool online measurement technology is one of the main directions of the development of the numerical control machine tool.

Disclosure of Invention

The utility model provides an online automatic measuring mechanism of a numerical control grinder, which is suitable for development requirements of a numerical control machine tool.

The technical scheme of the online automatic measuring mechanism of the numerically controlled grinder, which can solve the technical problems, comprises a measuring component, and is characterized in that:

1. the measuring assembly comprises a measuring head, the measuring head is arranged on a double-rod of a cylinder of the double-shaft cylinder, the double-rod cylinder extends downwards, and a cylinder body of the double-shaft cylinder is arranged on the grinding head through a frame plate.

2. And a guide plate is arranged on the frame plate below the connecting seat, and a mechanical striker pin which plays a guiding role and keeps the consistency of the measured positions every time is arranged between the guide plate and the connecting seat.

3. The double-shaft cylinder and the measuring head are respectively connected with a program control unit and a data processing unit of the numerical control system through signal lines.

4. The high-pressure jet head capable of cleaning the measuring head through high-pressure air is arranged on the connecting seat through the plate frame, and the high-pressure water spray head capable of cleaning the measuring head through high-pressure water is arranged on the grinding head.

Further, the double-shaft air cylinder is provided with a speed regulating valve for regulating the stable lifting and lowering of the double rods of the air cylinder and a check valve for preventing the double rods of the air cylinder from falling when an air source is unstable or is disconnected.

The utility model has the beneficial effects that:

the on-line automatic measuring mechanism of the numerical control grinding machine realizes measurement and processing integrated on-line data acquisition and analysis, replaces manual experience compensation with automatic compensation, reduces off-line measuring errors, and improves processing precision and production efficiency.

1. The measurement accuracy is improved, the rejection rate caused by off-line measurement errors is reduced, and the product quality is stable.

2. The labor intensity is lightened, the production auxiliary time is shortened, the production efficiency is improved, and the performance of the numerical control machine tool is fully exerted.

3. The method has the advantages that the performance of the numerical control machine tool is fully exerted, the measurement and processing integrated production is realized, the online data analysis is realized, the precision of the machine tool can be detected and automatically compensated in real time in the production process of the numerical control grinding machine through the self-contained online measurement system, the compensation value of the workpiece is automatically adjusted, the error generated in the measurement process is compensated, the manual experience compensation is replaced, the consistency of the processing size of the workpiece is ensured, and the processing quality is better ensured.

4. The method can enable operators to find problems of workpieces in time and feed back the problems to the numerical control system, correct systematic errors and random errors in time, change the motion parameters of the grinding machine, and better ensure the machining quality.

Drawings

Fig. 1 is an isometric view of one embodiment of the utility model.

Fig. 2 is an a-direction view in the embodiment of fig. 1.

Drawing number identification: 1. grinding head; 2. measuring head; 3. a connecting seat; 4. a biaxial cylinder; 5. a frame plate; 6. a guide plate; 7. a mechanical striker; 8. a plate frame; 9. a high pressure jet head; 10. a speed regulating valve; 11. a check valve; 12. a high pressure sprinkler head; 13. grinding wheel; 14. high pressure water spray pipe.

Detailed Description

The technical scheme of the utility model is further described below with reference to the embodiment shown in the drawings.

In the grinding process of the numerical control grinding machine, because the grinding wheel 13 is always in a wearing state, most of the numerical control grinding machine adopts a manual experience compensation mode, namely, by manually observing the grinding condition of the surface of a workpiece, whether adjustment is needed or not is judged according to the wearing condition of the grinding wheel 13, and the feeding amount needs to be judged and adjusted.

The manual experience compensation mode is inconvenient to operate, low in efficiency, particularly high in requirement on experience of operators, the compensation value can be determined by continuous measurement and test, and when grinding wheels 13 or workpieces made of different materials are replaced, the compensation value needs to be judged and adjusted again, if the compensation is not timely carried out, or the feeding amount is not proper, and in order to ensure the machining precision, the positions of a cutter or a grinding tool need to be adjusted at intervals to achieve the required machining precision, and thus the operation needs to be stopped frequently, and the production machining efficiency and the machining quality are affected.

The utility model discloses an online automatic measuring mechanism of a numerical control grinding machine, which is designed for replacing a manual experience compensation mode and comprises a measuring component arranged based on a grinding head 1, wherein the grinding head 1 comprises a grinding seat and a grinding wheel 13 arranged on the right side of the grinding seat through a grinding shaft, and the measuring component is arranged on the right front side of the grinding seat, as shown in figures 1 and 2.

The measuring assembly comprises a double-shaft cylinder 4 and a measuring head 2 (contact type), wherein a cylinder body of the double-shaft cylinder 4 is vertically arranged on a grinding seat through a frame plate 5, a cylinder double-rod (front cylinder rod and a rear cylinder rod) of the double-shaft cylinder 4 extends downwards, a speed regulating valve 10 for regulating the cylinder double-rod to stably lift and fall is arranged on the double-shaft cylinder 4, a check valve 11 for preventing the cylinder double-rod from falling when an air source is unstable or is out of air is also arranged on the double-shaft cylinder 4, a connecting part at the upper part of the measuring head 2 is arranged at the bottom of the cylinder double-rod through a connecting seat 3, a guide plate 6 is arranged at the bottom of the frame plate 5, the right end of the guide plate 6 is arranged below the left end of the connecting seat 3, an upper coaxial guide hole and a lower coaxial guide hole are formed between the connecting seat 3 and the guide plate 6, a mechanical striker 7 is arranged between the upper guide hole and the lower guide hole, the upper end of the mechanical striker 7 is matched in the guide hole of the connecting seat 3, and the lower end of the mechanical striker 7 is matched in the guide hole of the guide plate 6 through the connecting seat 3, as shown in fig. 1 and 2.

The front side of a measuring part (measuring rod) at the lower part of the measuring head 2 is provided with a high-pressure jet head 9, the high-pressure jet head 9 is arranged at the lower end of the plate frame 8, the upper end of the plate frame 8 is arranged on the front end face of the connecting seat 3, and the air nozzle of the high-pressure jet head 9 is obliquely directed to the bottom of the measuring rod towards the rear lower part, as shown in figures 1 and 2.

The front end shell surface of the shell of the grinding wheel 13 is provided with a vertical high-pressure water spray pipe 14, the lower end of the high-pressure water spray pipe 14 is provided with a high-pressure water spray head 12 (rotary type), and the water spray nozzle of the high-pressure water spray head 12 can be aligned to the bottom of a measuring rod by rotating the high-pressure water spray head 12, as shown in fig. 1 and 2.

The double-shaft cylinder 4 is connected with a program control unit of the numerical control system of the grinding machine through a signal line I, and the measuring head 2 is connected with a data processing unit of the numerical control system of the grinding machine through a signal line II.

The operation mode of the utility model is as follows:

when the grinding wheel 13 of the grinding head 1 grinds a workpiece, the double-shaft air cylinder 4 drives the measuring head 2 to do lifting and falling motions, and the program control unit controls the measuring head 2 to contact the workpiece at different positions, so that the coordinates of each grinding position of the workpiece are obtained, a required measuring result can be obtained, and real-time detection and automatic machine tool precision compensation in the production process are realized through online data acquisition and analysis.

In the detection process, the high-pressure jet head 9 or the high-pressure water jet head 12 can be used for cleaning dirt on the measuring rod of the measuring head 2, and the high-pressure jet head 9 and the high-pressure water jet head 12 can be used for cleaning dirt on the measuring rod of the measuring head 2 in a mixed mode.

The function of the mechanical striker 7 is:

1. guiding the measuring head 2 during lifting and lowering movements.

2. And the gauge head 2 is limited in descending.

When the measuring head 2 descends, the mechanical striker 7 is jacked by the guide plate 6 and is still, namely, the measuring head 2 is positioned at the same height position each time when the measuring head descends, and the consistency and the accuracy of each measurement position are ensured.

Claims

1. On-line automatic measuring mechanism of numerically controlled grinder, including measuring the subassembly, its characterized in that:

the measuring assembly comprises a measuring head (2), the measuring head (2) is arranged on a cylinder double rod of a double-shaft cylinder (4) which extends downwards through a connecting seat (3), and a cylinder body of the double-shaft cylinder (4) is arranged on the grinding head (1) through a frame plate (5);

a guide plate (6) is arranged on a frame plate (5) below the connecting seat (3), and a mechanical striker (7) which plays a guide role and keeps the consistency of the measured positions each time is arranged between the guide plate (6) and the connecting seat (3);

the double-shaft air cylinder (4) and the measuring head (2) are respectively connected with a program control unit and a data processing unit of the numerical control system through signal lines;

the high-pressure jet head (9) capable of cleaning the measuring head (2) through high-pressure air is arranged on the connecting seat (3) through the plate frame (8), and the high-pressure jet head (12) capable of cleaning the measuring head (2) through high-pressure water is arranged on the grinding head (1).

2. The on-line automatic measuring mechanism of a numerically controlled grinder as set forth in claim 1, wherein: the double-shaft air cylinder (4) is provided with a speed regulating valve (10) for regulating the stable lifting and lowering of the double rods of the air cylinder and a check valve (11) for preventing the double rods of the air cylinder from falling when an air source is unstable or is disconnected.