CN113211179A - Intelligent trace lubricating device - Google Patents
Intelligent trace lubricating device Download PDFInfo
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- CN113211179A CN113211179A CN202110605353.4A CN202110605353A CN113211179A CN 113211179 A CN113211179 A CN 113211179A CN 202110605353 A CN202110605353 A CN 202110605353A CN 113211179 A CN113211179 A CN 113211179A
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 15
- 238000005461 lubrication Methods 0.000 claims abstract description 66
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 239000002173 cutting fluid Substances 0.000 claims abstract description 14
- 230000002572 peristaltic effect Effects 0.000 claims description 18
- 238000012795 verification Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009125 negative feedback regulation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Images
Classifications
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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
-
- 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
Abstract
The invention discloses an intelligent minimal quantity lubrication device which comprises a machine tool, a minimal quantity lubrication injection device, a negative feedback system and a control cabinet. The invention can intelligently select the type and parameters of the cutting fluid according to the cutting working condition; the whole lubricating process can be intelligently monitored; negative feedback adjustment can be carried out according to the cutting condition; resources are reasonably utilized, labor cost is reduced, and an optimal processing scheme is provided.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to an intelligent minimal quantity lubrication device.
Background
In recent years, with the upgrading of the intelligent and green manufacturing industry, China has successively produced a plurality of planning guidelines related to green manufacturing, wherein it is pointed out that the industrial development of China still does not get rid of the extensive mode of high investment and high consumption, the green modification and upgrading of the traditional manufacturing industry should be accelerated, the green processing technologies such as clean cutting and the like should be accelerated, and the research on the micro-lubrication cutting mechanism and the intelligent micro-lubrication device should be clearly proposed in the manufacturing basic technology key special item. Therefore, the popularization of the clean and efficient green cutting process is an important direction for the development of the manufacturing industry in China. How to intelligently control the cutting fluid of the machine tool becomes a key problem, and whether a micro lubricating device can be reasonably used in the machine tool is determined, so that the monitoring and negative feedback of a system through a computer become important points of operation.
The existing most of machine tool lubrication still uses a pouring type cooling and lubricating mode, cutting fluid is wasted greatly, the cutting fluid is mostly concentrated on the service performance of a micro-lubricating system, systematic design is lacked, the types and parameters of the cutting fluid cannot be intelligently selected according to cutting working conditions, manpower resources are wasted, intelligent monitoring cannot be achieved on the whole lubricating process, and negative feedback adjustment cannot be performed according to cutting conditions.
Disclosure of Invention
The invention aims to provide an intelligent minimal quantity lubrication device, which can intelligently select the types and parameters of cutting fluid according to the cutting working condition; the whole lubricating process can be intelligently monitored; negative feedback adjustment can be carried out according to the cutting condition; resources are reasonably utilized, labor cost is reduced, and an optimal processing scheme is provided.
In order to achieve the purpose, the intelligent minimal quantity lubrication device provided by the invention comprises a machine tool, a minimal quantity lubrication injection device, a negative feedback system and a control cabinet, wherein the minimal quantity lubrication injection device is arranged on the machine tool and is connected with the control cabinet in an assembling way, and the negative feedback system is electrically connected with the machine tool, the minimal quantity lubrication injection device and the control cabinet.
Preferably, the minimal quantity lubrication injection device comprises a nozzle, a pipe body, a steering engine, a fixing assembly and a cutting fluid inlet, wherein the rear end of the nozzle is connected with the head of the pipe body, the head of the steering engine is connected with the tail of the pipe body, the tail of the steering engine is connected with the front end of the fixing assembly, the rear end of the fixing assembly is connected with a machine tool, and the cutting fluid inlet is formed in the side face of the steering engine.
Preferably, the negative feedback system comprises a process design system, a lubrication parameter matching system and a micro-lubrication control system, and the process design system, the lubrication parameter matching system and the micro-lubrication control system are electrically connected with each other;
the process design system pushes the process parameters to the lubrication parameter matching system, the lubrication parameter matching system searches for similar matching cases in the case library according to the process parameters, case verification is carried out, case data are fed back to the micro-lubrication control system after verification is completed, and the micro-lubrication control system controls the control cabinet to adjust the lubricating oil consumption and the compressed air pressure input into the micro-lubrication injection device.
Preferably, the case verification is to judge whether the case is applicable; if not, case correction is carried out and case verification is carried out again; if the case data is applicable, the lubricating oil consumption and the compressed air pressure value corresponding to the current case are pushed and fed back to the control cabinet, and the case data are saved after the pushing is finished.
Further, the case data in the case library are case data stored in a structured form in the past actual minimal quantity lubrication cutting process.
Furthermore, the retrieval is that the lubricating parameter matching system calculates the similarity of each feature between the target case and the cases in the case base according to the given process parameters, and then calculates the overall similarity of the target case and the cases in the case base, wherein the similarity of each feature is obtained by calculating the difference percentage between the cases in the case base and the target case;
formula (1) is a percentage calculation formula of numerical characteristics, formula (2) is a percentage calculation formula of character characteristics, wherein s (x, y) is a similarity value, x is a characteristic value corresponding to a case in a case library, and y is a characteristic value corresponding to a target case;
the overall similarity calculation is obtained by linear weighting of the feature similarity:
S＝ω1s1(x，y)+ω2s2(x，y)+ω3s3(x，y)+ω4s4(x，y)+ω5s5(x，y)(3)
wherein S is the overall similarity, S1(x，y)，...，s5(x, y) represents the similarity of each feature, ω1，...，ω5The weight value of each feature similarity;
and after the overall weight is calculated, pushing the case data with the highest similarity to the micro-lubrication control system.
Further, the characteristics comprise workpiece materials, cutter materials, cutting speed, cutting depth and feeding amount, the workpiece materials and the cutter materials are character-type characteristics, and the cutting speed, the cutting depth and the feeding amount are digital characteristics.
Preferably, the control cabinet comprises a cabinet body, a booster pump A, a booster pump B, a gas tank, a water tank, an oil tank, a filter A, a peristaltic pump A, a flow meter A, PLC, a filter B, a peristaltic pump B, a flow meter B, a connector, a gas pressure meter, an air flow regulating valve and an air source connector, the PLC is arranged in the cabinet body and connected with the negative feedback system, and the peristaltic pump A, the peristaltic pump B and the air flow regulating valve are all electrically connected with the PLC;
the air tank, the booster pump A, the booster pump B and the connector are sequentially communicated, and an air source interface is arranged on the air tank and connected with an external air source;
the oil tank, the filter A, the peristaltic pump A, the flowmeter A and the connector are communicated in sequence;
the water tank, the filter B, the peristaltic pump B, the flowmeter A and the connector are communicated in sequence;
the connector is communicated with the minimal quantity lubrication injection device.
Further, the connector is a four-way valve.
Furthermore, the bottom of the control cabinet is provided with universal wheels. .
Compared with the prior art, the invention has the following technical effects:
1. the invention can intelligently select the type and parameters of the cutting fluid according to the cutting working condition;
2. the invention can intelligently monitor the whole lubricating process;
3. the invention can carry out negative feedback regulation according to the cutting condition;
4. the invention reasonably utilizes resources, reduces labor cost and provides an optimal processing scheme.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the front internal structure of the control cabinet of the present invention;
FIG. 3 is a schematic view of the back structure of the control cabinet of the present invention;
FIG. 4 is a schematic side view of the control cabinet of the present invention;
FIG. 5 is a schematic view of the structure of the minimal quantity lubrication sprayer of the present invention;
FIG. 6 is an overall process flow diagram of the present invention;
FIG. 7 is a block diagram of the electrical control scheme of the present invention;
FIG. 8 is a flow chart of the lubrication parameter matching system verification of the present invention;
icon: 1-machine tool, 2-micro-lubricating injection device, 201-nozzle, 202-pipe body, 203-steering engine, 204-fixed component, 205-cutting fluid inlet, 3-negative feedback system, 4-control cabinet, 401-booster pump A, 402-booster pump B, 403-gas tank, 404-water tank, 405-oil tank, 406-filter A, 407-peristaltic pump A, 408-flowmeter A, 409-PLC, 410-filter B, 411-peristaltic pump B, 412-flowmeter B, 413-connector, 414-gas pressure meter, 415-gas flow regulating valve and 416-gas source connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
An intelligent minimal quantity lubrication device comprises a machine tool 1, a minimal quantity lubrication injection device 2, a negative feedback system 3 and a control cabinet 4, wherein the minimal quantity lubrication injection device 2 is installed on the machine tool 1, the minimal quantity lubrication injection device 2 is connected with the control cabinet 4 in an assembled mode, and the negative feedback system 3 is electrically connected with the machine tool 1, the minimal quantity lubrication injection device 2 and the control cabinet 4.
The micro-lubricating injection device 2 comprises a nozzle 201, a pipe body 202, a steering engine 203, a fixing component 204 and a cutting fluid inlet 205, wherein the rear end of the nozzle 201 is connected with the head of the pipe body 202, the head of the steering engine 203 is connected with the tail of the pipe body 202, the tail of the steering engine 203 is connected with the front end of the fixing component 204, the rear end of the fixing component 204 is connected with the machine tool 1, and the cutting fluid inlet 205 is formed in the side face of the steering engine 203.
The negative feedback system 3 comprises a process design system, a lubrication parameter matching system and a micro-lubrication control system, wherein the process design system, the lubrication parameter matching system and the micro-lubrication control system are electrically connected with each other;
the process design system pushes the process parameters to the lubrication parameter matching system, the lubrication parameter matching system searches for similar matching cases in the case library according to the process parameters, case verification is carried out, case data are fed back to the micro-lubrication control system after verification is completed, and the micro-lubrication control system control cabinet 4 adjusts the lubricating oil consumption and the compressed air pressure input into the micro-lubrication injection device 2.
Case verification is used for judging whether the case is applicable or not; if not, case correction is carried out and case verification is carried out again; if the case data is applicable, the lubricating oil consumption and the compressed air pressure value corresponding to the current case are pushed and fed back to the control cabinet 4, and the case data are saved after the pushing is finished.
Case data in the case library are case data stored in a structured form in the past in actual minimal quantity lubrication cutting.
The retrieval is that the lubrication parameter matching system calculates the similarity of each characteristic between a target case and a case in the case base according to a given process parameter, and then calculates the overall similarity of the target case and the case in the case base, wherein the similarity of each characteristic is obtained by calculating the difference percentage between the case in the case base and the target case;
formula (1) is a percentage calculation formula of numerical characteristics, formula (2) is a percentage calculation formula of character characteristics, wherein s (x, y) is a similarity value, x is a characteristic value corresponding to a case in a case library, and y is a characteristic value corresponding to a target case;
the overall similarity calculation is obtained by linear weighting of the feature similarity:
S＝ω1s1(x，y)+ω2s2(x，y)+ω3s3(x，y)+ω4s4(x，y)+ω5s5(x，y)(3)
wherein S is the overall similarity, S1(x，y)，...，s5(x, y) each represents a characteristic phaseSimilarity, ω1，...，ω5The weight value of each feature similarity;
and after the overall weight is calculated, pushing the case data with the highest similarity to the micro-lubrication control system.
The cutting tool is characterized by comprising a workpiece material, a tool material, a cutting speed, a cutting depth and a feeding amount, wherein the workpiece material and the tool material are character-type characteristics, and the cutting speed, the cutting depth and the feeding amount are digital characteristics.
The control cabinet 4 comprises a cabinet body, a booster pump A401, a booster pump B402, a gas tank 403, a water tank 404, a fuel tank 405, a filter A406, a peristaltic pump A407, a flow meter A408, a PLC409, a filter B410, a peristaltic pump B411, a flow meter B412, a connector 413, a barometer 414, an air flow regulating valve 415 and an air source connector 416, wherein the PLC409 is arranged in the cabinet body and connected with the negative feedback system 3, and the peristaltic pump A407, the peristaltic pump B411 and the air flow regulating valve 415 are all electrically connected with the PLC;
the gas tank 403, the booster pump A401, the booster pump B402 and the connector 413 are sequentially communicated, a gas source interface 416 is arranged on the gas tank 403, and the gas source interface 416 is connected with an external gas source;
the oil tank 405, the filter A406, the peristaltic pump A407, the flowmeter A408 and the connector 413 are communicated in sequence;
the water tank 404, the filter B410, the peristaltic pump B411, the flowmeter A412 and the connector 413 are communicated in sequence;
the connector 413 communicates with the minimal quantity lubrication injection device 2.
The bottom of the control cabinet 4 is provided with universal wheels.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. An intelligence minimal quantity lubricating arrangement which characterized in that: the automatic lubricating device comprises a machine tool (1), a trace lubricating injection device (2), a negative feedback system (3) and a control cabinet (4), wherein the trace lubricating injection device (2) is installed on the machine tool (1), the trace lubricating injection device (2) is connected with the control cabinet (4) in an assembled mode, and the negative feedback system (3) is electrically connected with the machine tool (1), the trace lubricating injection device (2) and the control cabinet (4).
2. The intelligent minimal quantity lubrication device according to claim 1, wherein: the micro-lubricating injection device (2) comprises a nozzle (201), a pipe body (202), a steering engine (203), a fixing component (204) and a cutting fluid inlet (205), wherein the rear end of the nozzle (201) is connected with the head of the pipe body (202), the head of the steering engine (203) is connected with the tail of the pipe body (202), the tail of the steering engine (203) is connected with the front end of the fixing component (204), the rear end of the fixing component (204) is connected with a machine tool (1), and the cutting fluid inlet (205) is formed in the side face of the steering engine (203).
3. The intelligent minimal quantity lubrication device according to claim 1, wherein: the negative feedback system (3) comprises a process design system, a lubrication parameter matching system and a micro-lubrication control system, wherein the process design system, the lubrication parameter matching system and the micro-lubrication control system are electrically connected with each other;
the process design system pushes the process parameters to the lubrication parameter matching system, the lubrication parameter matching system searches for similar matching cases in the case library according to the process parameters, case verification is carried out, case data are fed back to the micro-lubrication control system after verification is completed, and the micro-lubrication control system control cabinet (4) adjusts the lubricating oil consumption and the compressed air pressure input into the micro-lubrication injection device (2).
4. An intelligent minimal quantity lubrication device as claimed in claim 3, wherein: the case verification is used for judging whether the case is applicable or not; if not, case correction is carried out and case verification is carried out again; if the case data is applicable, the lubricating oil consumption and the compressed air pressure value corresponding to the current case are pushed and fed back to the control cabinet (4), and the case data are saved after the pushing is finished.
5. An intelligent minimal quantity lubrication device as claimed in claim 3, wherein: case data in the case library are case data stored in a structured form in the past in actual minimal quantity lubrication cutting.
6. An intelligent minimal quantity lubrication device as claimed in claim 3, wherein: the retrieval is that the lubrication parameter matching system calculates the similarity of each characteristic between a target case and a case in the case base according to a given process parameter, then calculates the overall similarity of the target case and the case in the case base, and the similarity of each characteristic is obtained by calculating the difference percentage between the case in the case base and the target case;
formula (1) is a percentage calculation formula of numerical characteristics, formula (2) is a percentage calculation formula of character characteristics, wherein s (x, y) is a similarity value, x is a characteristic value corresponding to a case in a case library, and y is a characteristic value corresponding to a target case;
the overall similarity calculation is obtained by linear weighting of the feature similarity:
S＝ω1s1(x,y)+ω2s2(x,y)+ω3s3(x,y)+ω4s4(x,y)+ω5s5(x,y) (3)
wherein S is the overall similarity, S1(x,y),...,s5(x, y) represents the similarity of each feature, ω1,...,ω5The weight value of each feature similarity;
and after the overall weight is calculated, pushing the case data with the highest similarity to the micro-lubrication control system.
7. An intelligent minimal quantity lubrication device according to claim 6, wherein: the cutting tool is characterized by comprising a workpiece material, a cutter material, a cutting speed, a cutting depth and a feeding amount, wherein the workpiece material and the cutter material are character-type characteristics, and the cutting speed, the cutting depth and the feeding amount are digital characteristics.
8. The intelligent minimal quantity lubrication device according to claim 1, wherein: the control cabinet (4) comprises a cabinet body, a booster pump A (401), a booster pump B (402), an air tank (403), a water tank (404), an oil tank (405), a filter A (406), a peristaltic pump A (407), a flow meter A (408), a PLC (409), a filter B (410), a peristaltic pump B (411), a flow meter B (412), a connector (413), an air pressure meter (414), an air flow regulating valve (415) and an air source connector (416), wherein the PLC (409) is arranged in the cabinet body and connected with the negative feedback system (3), and the peristaltic pump A (407), the peristaltic pump B (411) and the air flow regulating valve (415) are electrically connected with the PLC;
the air tank (403), the booster pump A (401), the booster pump B (402) and the connector (413) are sequentially communicated, an air source interface (416) is arranged on the air tank (403), and the air source interface (416) is connected with an external air source;
the oil tank (405), the filter A (406), the peristaltic pump A (407), the flowmeter A (408) and the connector (413) are communicated in sequence;
the water tank (404), the filter B (410), the peristaltic pump B (411), the flowmeter A (412) and the connector (413) are communicated in sequence;
the connector (413) is communicated with the minimal quantity lubrication injection device (2).
9. An intelligent minimal quantity lubrication device as claimed in claim 8, wherein: the connector (413) is a four-way valve.
10. An intelligent minimal quantity lubrication device according to claim 1 or 8, wherein: the bottom of the control cabinet (4) is provided with universal wheels.
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| CN202110605353.4A CN113211179A (en) | 2021-05-31 | 2021-05-31 | Intelligent trace lubricating device |
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| CN202110605353.4A CN113211179A (en) | 2021-05-31 | 2021-05-31 | Intelligent trace lubricating device |
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| CN114683091A (en) * | 2022-03-30 | 2022-07-01 | 重庆大学 | Intelligent manufacturing system based on low-temperature micro-lubricating cutting |
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|---|---|---|---|---|
| CN114683091A (en) * | 2022-03-30 | 2022-07-01 | 重庆大学 | Intelligent manufacturing system based on low-temperature micro-lubricating cutting |
| CN114683091B (en) * | 2022-03-30 | 2024-04-09 | 重庆大学 | Intelligent manufacturing system based on low-temperature micro-lubrication cutting |
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Application publication date: 20210806 |