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Constant-temperature numerical control machine tool for precision part machining

A technology of CNC machine tools and precision parts, which is applied in the direction of metal processing machinery parts, metal processing equipment, manufacturing tools, etc., can solve the problems of parts deformation, affecting processing accuracy, deformation of processing table, etc., so as to avoid inconvenience and improve processing accuracy Effect

Active Publication Date: 2022-05-31
丹东富田精工机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the use of existing CNC machine tools, there are the following problems: when the CNC machine tool works for a long time, the temperature of the processing table on the CNC machine tool will gradually increase, and the temperature rise will cause the processing table to produce slight deformation, and the processing table will be slightly deformed. The temperature will also be transmitted to the parts on the processing table, causing deformation of the parts and affecting the processing accuracy; especially for the processing of some precision components, the impact of temperature rise is fatal
In addition, when the processing mechanism on the CNC machine tool is working, the processing mechanism itself will generate a certain amount of vibration, and the vibration will be transmitted to the base through the column, and the base will transmit the vibration to the processing table, thereby affecting the processing accuracy

Method used

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  • Constant-temperature numerical control machine tool for precision part machining
  • Constant-temperature numerical control machine tool for precision part machining
  • Constant-temperature numerical control machine tool for precision part machining

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see Figure 1-Figure 3 , a constant temperature numerically controlled machine tool for machining precision parts, comprising a base 1, a column 2 is provided on the top surface of the base 1, a processing mechanism 3 is provided on the column 2, a cooling table 4 is provided on the top surface of the base 1, and a cooling table 4 It is welded and fixed on the upper surface of the base 1 , and the top surface of the cooling platform 4 is screwed with a processing platform 5 , and the processing platform 5 is attached to the upper surface of the cooling platform 4 . The inside of the cooling table 4 is provided with a hollow oil chamber 6, which is filled with kerosene, the side wall of the cooling table 4 is provided with an oil inlet nozzle 7 and an oil outlet nozzle 8, and the outside of the base 1 is provided with a kerosene cooling mechanism. The oil nozzle 7 and the oil outlet nozzle 8 are all communicated with the kerosene cooling mechanism through pipelines; the ...

Embodiment 2

[0032] see Figure 4 with Figure 5The difference between this embodiment and Embodiment 1 is that a piston plate 26 is provided inside the hollow oil chamber 6 and on the side away from the through hole 11, and the piston plate 26 is closely attached to the inner side wall of the hollow oil chamber 6. All the kerosene is squeezed into the space on the right side of the piston plate 26 . In addition, the piston plate 26 is elastically connected to the inner wall of the hollow oil chamber 6 through a spring 27 . The side of the piston plate 26 facing away from the through hole 11 is vertically provided with a guide rod 28, the inside of the hollow oil chamber 6 and the side facing the through hole 11 is provided with a guide groove 29 adapted to the guide rod 28, and the guide rod 28 is inserted into the guide rod 28. Therefore, the piston plate 26 can slide along the length direction of the guide rod 28.

[0033] In the specific use of this embodiment, when the processing me...

Embodiment 3

[0035] see Image 6 , the difference between this embodiment and Embodiment 1 is that a temperature sensor 30 and an electric heating tube 31 are provided inside the hollow oil chamber 6, and a controller 32 is provided outside the cooling table 4, wherein the model of the temperature sensor 30 is PT100, the model of the controller 32 is TA48-03010000, and the signal output end of the temperature sensor 30 is electrically connected with the signal input end of the controller 32, and the signal output end of the controller 32 is electrically connected with the electric heating tube 31; the temperature sensor 30 It is used to detect the temperature of kerosene, and transmit the temperature signal to the controller 32. When the temperature of kerosene is lower than a set value, the controller 32 will automatically turn on the electric heating tube 31, thereby keeping the temperature of the processing table 5 constant .

[0036] During the specific use of this embodiment, when th...

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Abstract

The invention relates to the technical field of numerical control machine tools, in particular to a constant-temperature numerical control machine tool for precision part machining, which comprises a base, a stand column arranged on the top surface of the base, a machining mechanism arranged on the stand column, a cooling table arranged on the top surface of the base, a machining table arranged on the top surface of the cooling table, and a hollow oil cavity formed in the cooling table. The hollow oil cavity is filled with kerosene, an oil inlet nozzle and an oil outlet nozzle are arranged on the side wall of the cooling table, a kerosene cooling mechanism is arranged outside the base, and the oil inlet nozzle and the oil outlet nozzle are both communicated with the kerosene cooling mechanism through pipelines. The machining table is arranged on the cooling table, the cooling table is filled with kerosene capable of absorbing heat, and therefore the kerosene can absorb heat generated by the machining table, the problem that the machining table deforms due to heating is greatly solved, and the machining precision can be improved.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tools, in particular to a constant temperature numerical control machine tool used for precision parts processing. Background technique [0002] A CNC machine tool is an automated machine tool equipped with a program control system. The basic components of a CNC machine tool include a processing program carrier, a CNC device, a servo drive device, a base, a machine tool body and other auxiliary devices. Among them, the numerical control device is the core component of the numerical control machine tool. Modern numerical control devices adopt the form of CNC. This kind of CNC device generally uses multiple microprocessors to realize the numerical control function in the form of programmed software, so it is also called software numerical control. The CNC system is a position control system. It interpolates the ideal motion trajectory according to the input data, and then outputs i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/12B23Q11/00
CPCB23Q11/126B23Q11/0032B23Q11/00Y02P70/10
Inventor 王亚军田川任孝权刘智
Owner 丹东富田精工机械有限公司
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