A Grinding Machine Tool with On-line Measurement Function

Abstract

The invention discloses a grinding machine tool with an online measurement function. The grinding machine tool is characterized in that the grinding machine tool comprises a machine frame, a control system, a chuck arranged on the machine frame and used for fixing workpieces, a grinding machine working table, an abrasive wheel grinding mechanism arranged on the grinding machine working table, an online measurement system and a constant-force grinding system driving the abrasive wheel grinding mechanism and the online measurement system to act; the control system is connected with and controls the abrasive wheel grinding mechanism, the online measurement system and the constant-force grinding system; and the point contact type synchronous online measurement manner is adopted for the online measurement system and includes a servo control system, an online measurement supporting mechanism arranged on the grinding machine working table, and an online measurement ruler, and the measurement process of the online measurement ruler and the machining process are in real-time synchronization. The grinding machine tool is simple in structure, convenient to use, high in machining precision and good in stability; and compared with a product of the same type, the production efficiency is high, and performance is more superior.

Description

technical field [0001] The invention relates to the technical field of grinding machine tools, in particular to a grinding machine tool with an online measurement function. Background technique [0002] Since the development of my country's cemented carbide industry, the product variety is basically complete, involving metal cutting, mining, drawing dies, wear-resistant parts and other fields, except for some high-performance precision grinding coated blades and supporting tools, high-performance ultra-fine alloy Bars and a small amount of large and different products need to be imported from abroad, and most of the products can be produced in China. While my country's cemented carbide industry is developing rapidly, there are still problems such as relatively insufficient investment in product research and development, low level of equipment renewal and transformation, and disconnection between the production of alloy products and equipment production, which leads to weak in...

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Problems solved by technology

[0004] 1. The machine tool has been used for a long time, and the equipment is aging to a certain extent;

[0005] 2. The grinding workpiece of the machine tool is a tungsten-cobalt hard alloy disc, and the working environment is heavily polluted by dust;

[0006] 3. During the working process, there is a certain amount of cooling water corrosion, which has a certain impact on the accuracy of the workpiece spindle. At the same time, due to long-term use, the rotation gap of the workpiece spindle becomes larger, which affects the machining accuracy;

[0008] (1) When workers grind alloy blades, obvious alloy dust can be seen on the scene, and the dust pollution in the working environment is relatively large, and the dust is not good for the health of workers;

[0009] (2) When the worker clamps the blade, he adopts the non-stop working method. At this time, the grinding wheel is in a high-speed running state, and the worker's fingers are very close to the grinding wheel (about 5cm by visual estimation), which poses a serious safety hazard;

[0010] (3) When performing the grinding work, skilled grinding workers are required to perform all manual operations, and the labor intensity is high;

[0011] (4) When inspecting the workpiece, it is necessary to disassemble the workpiece for inspection. From the beginning of grinding to the completion of processing, a single workpiece needs to be dismantled and inspected several times depending on the experience of the workers. The processing efficiency is extremely low, and it is easy to cause excessive processing of the workpiece. , resulting in the scrapping of the workpiece, and high requirements for the operating level of the operator

[0016] However, most of the measurement schemes currently used on grinding machines are not ideal. Some methods such as simulation calculations are used to estimate the loss of the grinding wheel during the grinding process, and then included in the grinding machine data system. This design is based on the wear of the grinding wheel according to a certain Based on the law, there are many influencing factors in the actual grinding process, so it cannot better reflect the real grinding situation, so the practical application of the scheme is not ideal

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