CN109249273B - Machine tool cooling method, storage medium, computer device, and numerical control machine tool - Google Patents
Machine tool cooling method, storage medium, computer device, and numerical control machine tool Download PDFInfo
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- CN109249273B CN109249273B CN201811203564.XA CN201811203564A CN109249273B CN 109249273 B CN109249273 B CN 109249273B CN 201811203564 A CN201811203564 A CN 201811203564A CN 109249273 B CN109249273 B CN 109249273B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
- Automatic Control Of Machine Tools (AREA)
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Abstract
The invention discloses a machine tool cooling method, a storage medium, computer equipment and a numerical control machine tool, relates to the machine tool machining technology, and aims at the problem that the existing cooling mode is not stable and safe enough, and comprises the following steps: acquiring processing information of a workpiece, wherein the processing information comprises the material, the processing technology and the processing time of the workpiece; starting cooling in an initial cooling mode matched with the processing information of the workpiece, and calling a cooling mode database matched with the initial cooling mode; detecting the actual temperature change of the workpiece during processing, and comparing the actual temperature change with the temperature data in the cooling mode database in a time dimension; if the similarity between the actual temperature change and the past temperature change meets the similarity standard S, applying the cooling mode of the past processing to the current processing; and screening out a time period with temperature change higher than a workpiece temperature tolerance value N from temperature data of a cooling mode of past machining, and carrying out cooling preparation on the workpiece in advance for T time. The invention has more stable and safe cooling effect.
Description
Technical Field
The invention relates to the machining technology of a machine tool, in particular to a machine tool cooling method, a storage medium, computer equipment and a numerical control machine tool.
Background
The cooling is an important measure for prolonging the service life of the cutter, ensuring the processing precision and preventing the flying of the scrap foam in the machine tool processing. In order to achieve the best cooling effect, the cooling liquid should be poured on the contact surface between the cutting tool and the processed body as much as possible. The cutting tools used in the processing process of objects are complex in condition and different in length, and the traditional method is to cool the workpiece and the cutting tools in multiple directions by using multiple spray heads. Nevertheless, good cooling protection of each cutter in the machining process cannot be guaranteed, and in addition, the use of multiple paths of cooling liquid can cause unstable flow, larger or smaller flow and insufficient safety and stability.
Disclosure of Invention
In view of the shortcomings of the prior art, a first object of the present invention is to provide a machine tool cooling method with a more stable and safe cooling effect.
The technical purpose of the invention is realized by the following technical scheme:
a method of cooling a machine tool comprising
Acquiring processing information of a workpiece, wherein the processing information comprises the material, the processing technology and the processing time of the workpiece;
starting cooling in an initial cooling mode matched with the processing information of the workpiece based on the processing information of the workpiece, and calling a cooling mode database matched with the initial cooling mode, wherein the cooling mode database stores temperature and time data of the workpiece in the past processing process;
detecting the actual temperature change of the workpiece during processing, and comparing the actual temperature change with the temperature data in the cooling mode database in a time dimension;
if the similarity between the actual temperature change and the past temperature change meets the similarity standard S, applying the cooling mode of the past processing to the current processing;
screening out a time period with temperature change higher than a workpiece temperature tolerance value N from temperature data of a cooling mode of past processing, and carrying out cooling preparation on the workpiece in advance by T time, wherein the T time is the minimum time for completing the cooling preparation.
By adopting the technical scheme, the processing information of the workpiece is firstly acquired, the most suitable initial cooling mode is matched for heating according to different material, processing technology and processing time lengths of the workpiece, the cooling mode database matched with the workpiece is called through the processing information to obtain the temperature change condition of the workpiece in the cooling process, the temperature of the workpiece is monitored in real time during processing and cooling, then the curve change of the temperature of the workpiece along with time is compared with the past temperature curve in the cooling mode database, the similarity of the curve change in a certain period of time is calculated, if the similarity of the curve change in the certain period of time meets the similarity standard S, the workpiece and the cooling mode are judged to be similar, and the cooling mode of the past processing is applied to the current processing. Furthermore, the temperature is adjusted in advance by the time T, namely, the temperature reduction preparation is carried out in advance for the time period of the predicted simulated temperature change which is higher than the tolerance value N by taking the temperature change pair cooling next to the cooling mode as a reference, thereby being beneficial to controlling the processing temperature of the workpiece to be below the tolerance value and having the effect of more stable and safer cooling mode.
Further, if the similarity between the actual temperature change and the past temperature change does not meet the similarity standard S, the workpiece is continuously cooled in an initial cooling mode, and the temperature of the workpiece is continuously monitored.
Further, the cooling preparation includes increasing a coolant preparation amount and/or decreasing a coolant temperature.
And further, comparing the actual temperature of the workpiece with the dangerous temperature T, and cooling the workpiece for preparation when the actual temperature is greater than the dangerous temperature T, wherein the dangerous temperature T is a temperature value when the actual temperature is increased to the tolerance value N when the time T for preparation for cooling is carried out.
Further, the method also comprises recording the cooling mode and temperature data of the workpiece processing at this time to be stored in a cooling mode database.
In view of the disadvantages of the prior art, a second object of the present invention is to provide a storage medium having a more stable and safe cooling effect.
The technical purpose of the invention is realized by the following technical scheme:
a storage medium storing a set of instructions for any processor to call for performing a machine tool cooling method as described above.
In view of the shortcomings of the prior art, a third object of the present invention is to provide a computer device with a more stable and safe cooling effect during machining.
The technical purpose of the invention is realized by the following technical scheme:
a computer device comprising a storage medium as described above.
In view of the defects in the prior art, a fourth object of the present invention is to provide a numerically controlled machine tool, which has a more stable and safe cooling effect during machining.
The technical purpose of the invention is realized by the following technical scheme:
a numerically controlled machine tool comprising a computer apparatus as described above.
In conclusion, the invention has the following beneficial effects:
1. the temperature of the workpiece is monitored in real time, the workpiece is compared with the previous temperature data, and when the workpiece is judged to be similar to the previous temperature data, the temperature change of the machining is simulated and predicted by the previous temperature data, so that the cooling change is prepared in advance, and the cooling is more stable and safer;
2. when the actual temperature reaches the dangerous temperature, the temperature reduction preparation is also carried out in advance, and the safety and the stability of cooling are further enhanced.
Drawings
FIG. 1 is a schematic block diagram of a cooling method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in fig. 1, the machine tool cooling method disclosed by the present invention is applied to a numerical control machine tool having a storage device and a data processing device, and comprises:
step S101: acquiring processing information of a workpiece;
step S102: cooling in an initial cooling mode matched with the processing information, and calling a cooling mode database matched with the processing information;
step S103: detecting the actual temperature change of the workpiece during processing, comparing the actual temperature change with temperature data in a cooling mode database in a time dimension, and judging whether the similarity of the actual temperature change and the past temperature change meets a similarity standard S or not;
step S104: if the similar standard S is met, the cooling mode of the past processing is applied at present;
step S105: screening out a time period in which the temperature change is higher than a workpiece temperature tolerance value N in the past machining process, and carrying out cooling preparation in advance of T time;
step S106: and if the similarity between the actual temperature change and the past temperature change does not meet the similarity standard S, continuing cooling in an initial cooling mode, and continuously monitoring the temperature of the workpiece.
In step S101, processing information of the workpiece is first acquired, where the processing information includes a material, a processing technique, a processing time, and the like of the workpiece.
In step S102, according to the actual situation of the workpiece to be machined, an initial cooling method matched with the actual situation is selected, the actual selection can be performed in combination with the actual machining situation, the error rate is lower, and then a cooling method database related to the workpiece is called, wherein the cooling method database stores temperature and time data of the workpiece in the past machining process.
In step S103, the temperature of the workpiece is monitored in real time, and then the curve change of the temperature of the workpiece with time is compared with the past temperature curve in the cooling method database, and the similarity of the curve change in a certain period of time is calculated.
In step S104, if the similarity of the two changes in a certain period of time satisfies the similarity criterion S, the two changes are determined to be similar, and the cooling method of the past machining is applied to the current machining.
Step S105 is more specifically to adjust the temperature in advance by time T, which is the minimum time for completing the cooling preparation, for the time period in which the temperature change is expected to be higher than the tolerance value N in the simulated temperature change with the next temperature change versus cooling in the cooling mode as a reference during the machining and cooling process. The cooling preparation includes increasing a coolant preparation amount and/or decreasing a coolant temperature.
In addition, the machine tool cooling method further comprises the step of comparing the actual temperature of the workpiece with the dangerous temperature T, when the actual temperature is higher than the dangerous temperature T, cooling the workpiece for preparation, and the dangerous temperature T = the temperature rise within the tolerance value N-T.
The method also comprises the step of recording the cooling mode and temperature data of the workpiece machining at this time to be stored in a cooling mode database, so that the same workpiece can be conveniently machined later for reference and application.
Example 2: a storage medium storing a set of instructions for any processor to call for performing the machine tool cooling method of embodiment 1.
Example 3: a computer device comprising the storage medium as in embodiment 2.
Example 4: a numerically controlled machine tool comprising the computer device in embodiment 3.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. A machine tool cooling method, characterized by: comprises that
Acquiring processing information of a workpiece, wherein the processing information comprises the material, the processing technology and the processing time of the workpiece;
starting cooling in an initial cooling mode matched with the processing information of the workpiece based on the processing information of the workpiece, and calling a cooling mode database matched with the initial cooling mode, wherein the cooling mode database stores temperature and time data of the workpiece in the past processing process;
detecting the actual temperature change of the workpiece during processing, and comparing the actual temperature change with the temperature data in the cooling mode database in a time dimension;
if the similarity between the actual temperature change and the past temperature change meets the similarity standard S, applying the cooling mode of the past processing to the current processing;
screening out a time period with temperature change higher than a workpiece temperature tolerance value N from temperature data of a cooling mode of past processing, and carrying out cooling preparation on the workpiece in advance by T time, wherein the T time is the minimum time for completing the cooling preparation.
2. The machine tool cooling method according to claim 1, characterized in that: and if the similarity between the actual temperature change and the past temperature change does not meet the similarity standard S, continuing cooling in an initial cooling mode, and continuously monitoring the temperature of the workpiece.
3. The machine tool cooling method according to claim 1, characterized in that: the cooling preparation includes increasing a coolant preparation amount and/or decreasing a coolant temperature.
4. The machine tool cooling method according to claim 1, characterized in that: the method is characterized by further comprising the step of comparing the actual temperature of the workpiece with the dangerous temperature T, when the actual temperature is higher than the dangerous temperature T, cooling the workpiece for preparation, wherein the dangerous temperature T is a temperature value when the actual temperature is raised to be the tolerance value N when the T time for cooling preparation is carried out.
5. The machine tool cooling method according to claim 1, characterized in that: and recording the cooling mode and temperature data of the workpiece processing at this time to be stored in a cooling mode database.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811203564.XA CN109249273B (en) | 2018-10-16 | 2018-10-16 | Machine tool cooling method, storage medium, computer device, and numerical control machine tool |
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| CN201811203564.XA CN109249273B (en) | 2018-10-16 | 2018-10-16 | Machine tool cooling method, storage medium, computer device, and numerical control machine tool |
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| CN109249273A CN109249273A (en) | 2019-01-22 |
| CN109249273B true CN109249273B (en) | 2020-06-30 |
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| TWI798946B (en) * | 2021-11-18 | 2023-04-11 | 財團法人工業技術研究院 | Cooling system for processing |
| CN115453996B (en) * | 2022-09-19 | 2023-11-10 | 江兴(淮安)汽车部件有限公司 | Processing method and system for automobile transmission shaft |
| CN116197458B (en) * | 2023-01-12 | 2024-04-30 | 承龙科技(嘉兴)有限公司 | Edge chamfering device and process for fastening nut |
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| CN108106290A (en) * | 2017-12-20 | 2018-06-01 | 珠海格力电器股份有限公司 | Method and system for controlling running frequency of compressor of oil cooler and oil cooler |
| CN108356601A (en) * | 2017-01-26 | 2018-08-03 | 永进机械工业股份有限公司 | Comprehensive process main shaft system adaptability cooling controller and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5387061A (en) * | 1990-12-14 | 1995-02-07 | The United States Of America As Represented By The United States Department Of Energy | Parameter monitoring compensation system and method |
| JP3407215B2 (en) * | 1998-04-27 | 2003-05-19 | オリオン機械株式会社 | Temperature control method of temperature control device |
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| CN105014539A (en) * | 2015-07-16 | 2015-11-04 | 湖南大学 | Controllable quick back-forth point feeding grinding system based on grinding temperature empirical model and grinding method |
| CN105867303A (en) * | 2016-04-18 | 2016-08-17 | 安徽省捷甬达智能机器有限公司 | System for machine tool temperature difference compensation by referring to error |
| CN108356601A (en) * | 2017-01-26 | 2018-08-03 | 永进机械工业股份有限公司 | Comprehensive process main shaft system adaptability cooling controller and method |
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