Lubricating system for metal processing

Abstract

The invention discloses a lubricating system for metal machining. The lubricating system comprises a machine tool, a machine head arranged in the machine tool, a plurality of spray head mechanisms arranged on the circumferential outer wall of the machine head, a liquid storage tank arranged on the upper surface of the machine head and a flow guide module arranged between the liquid storage tank and the spray head mechanisms. The liquid storage tank is fixedly connected to the upper surface of the machine tool, the machine head is fixedly installed on the inner wall of the top of the machine tool, and the outer wall of the circumference of the machine head is fixedly connected with a fixing ring. The precise control and distribution of the lubricating liquid and the low-temperature carbon dioxide in the metal processing process are realized, the metal processing efficiency and quality are improved, and by optimizing the distribution of the lubricating liquid, the friction and abrasion in the processing process are reduced, the service lives of a machine tool and a tool are prolonged, and the angle of a spray head and the flow of compressed gas are adjusted. And personalized setting can be carried out according to different machining requirements.

Description

Technical Field

[0001] The invention relates to the field of metal processing, and in particular to a lubrication system for metal processing. Background Art

[0002] Metal processing is an integral part of the manufacturing industry, involving the cutting, shaping and finishing of various materials. In this process, the lubrication system plays a vital role. It not only reduces the friction between the tool and the workpiece and prolongs the tool life, but also improves the machining accuracy and workpiece surface quality. However, the existing lubrication systems for metal processing have some limitations and problems.

[0003] Traditional lubrication systems usually use a single lubrication method, such as oil-based or water-based lubricants. These systems may not provide sufficient cooling effect under certain specific conditions, especially in high-speed or high-temperature processing environments. In addition, a single lubrication medium may not meet the needs of different materials and processing processes, resulting in reduced processing efficiency and unstable workpiece quality.

[0004] Traditional lubrication systems often suffer from insufficient cooling efficiency when faced with high-speed machining or hard material machining, and are unable to quickly and effectively reduce the temperature of the workpiece, which can easily lead to thermal deformation or burning. In addition, due to the limited lubrication effect, it is difficult to provide the required specific lubrication medium for certain special materials or processes, limiting the diversity and adaptability of the machining process. Poor environmental adaptability is also a significant problem, because changes in temperature or humidity may significantly affect the performance of the lubrication system, leading to instability in the machining process. At the same time, the maintenance cost is high. Due to the continuous consumption and contamination of the lubricating fluid, frequent replacement and cleaning are required, which not only increases costs, but also increases the risk of production interruptions.

[0005] Therefore, it is necessary to improve a lubrication system for metal processing in the prior art to solve the above problems. Summary of the invention

[0006] The invention overcomes the deficiencies of the prior art and provides a lubrication system for metal processing.

[0007] To achieve the above-mentioned object, the technical solution adopted by the present invention is: a lubrication system for metal processing, comprising: a machine tool, a machine head arranged in the machine tool, a plurality of nozzle mechanisms arranged on the circumferential outer wall of the machine head, a liquid storage tank arranged on the upper surface of the machine head, and a flow guide module arranged between the liquid storage tank and the nozzle mechanism;

[0008] The liquid storage tank is fixedly connected to the upper surface of the machine tool, the machine head is fixedly installed on the top inner wall of the machine tool, the circumferential outer wall of the machine head is fixedly connected with a fixing ring, and the nozzle mechanism includes: a connecting rod, an angle adjustment unit arranged at one end of the connecting rod, a nozzle frame arranged at the bottom of the angle adjustment unit, a compressed gas outlet pipe arranged in the nozzle frame, and an adjustment frame arranged on the circumferential inner wall of the nozzle frame;

[0009] The circumferential outer wall of the nozzle frame is provided with a plurality of first spray holes extending therethrough, the circumferential outer wall of the nozzle frame is provided with a plurality of second spray holes extending therethrough, the circumferential outer wall of the adjustment frame is provided with a plurality of external holes extending therethrough, and the circumferential outer wall of the adjustment frame is provided with a plurality of internal holes extending therethrough.

[0010] In a preferred embodiment of the present invention, the connecting rod is fixedly connected to the circumferential outer wall of the machine head, the angle adjustment unit is fixedly installed on one end of the connecting rod, and the bottom of the angle adjustment unit is fixedly connected to the nozzle frame.

[0011] In a preferred embodiment of the present invention, the compressed gas outlet pipe is located in the nozzle frame, and the bottom end of the compressed gas outlet pipe passes through the nozzle frame and is fixedly connected.

[0012] In a preferred embodiment of the present invention, a driving unit is provided on the circumferential outer wall of the compressed gas outlet pipe, and a plurality of fixing rods are fixedly connected to the circumferential outer wall of the driving unit.

[0013] In a preferred embodiment of the present invention, the other ends of the plurality of fixing rods are fixedly connected to the circumferential inner wall of the adjusting frame, and the circumferential outer wall of the adjusting frame is tightly fitted to the circumferential inner wall of the nozzle frame.

[0014] In a preferred embodiment of the present invention, adjacent first spray holes and second spray holes are cross-arranged, adjacent outer holes and inner holes are on the same latitude, a number of first spray holes overlap with a number of outer holes respectively, a number of second spray holes overlap with a number of inner holes respectively, and a filter box is provided at the bottom of the machine tool, and the filter box is connected to the liquid storage tank pipeline.

[0015] In a preferred embodiment of the present invention, the diversion module includes: a cryogenic compressed gas tank, a pumping unit, a distribution unit and a control unit; the cryogenic compressed gas tank is used to store cryogenic carbon dioxide, the pumping unit is connected to a liquid storage tank and a cryogenic compressed gas tank, the distribution unit is connected to a pumping device, and is used to pump the lubricating liquid and cryogenic carbon dioxide from the liquid storage tank and the cryogenic compressed gas tank to the nozzle frame and the compressed gas outlet pipe respectively, and the control unit is used to control the operation of the pumping unit, the angle adjustment unit, the driving unit and the distribution unit.

[0016] In a preferred embodiment of the present invention, a temperature control unit is provided in the liquid storage tank, and the temperature control unit is used to control the temperature of the lubricating liquid in the liquid storage tank. The temperature of the lubricating liquid in the liquid storage tank is controlled at 40-60°C.

[0017] In a preferred embodiment of the present invention, the pumping unit includes a variable frequency drive module for adjusting the pumping speed, and the control unit includes a sensor array for monitoring the temperature, humidity and distribution of the lubricating fluid in the processing area.

[0018] In a preferred embodiment of the present invention, the following steps are included:

[0019] S1: The variable frequency drive module in the control unit adjusts the pumping speed of the lubricating fluid and low-temperature carbon dioxide;

[0020] S2: The control unit sets the spray angle of the angle adjustment unit to adapt to different processing requirements;

[0021] S3: Use the sensor array to monitor the temperature, humidity and lubricant distribution in the processing area in real time;

[0022] S4: Adjust the nozzle mechanism to adjust the lubricating liquid spray area.

[0023] The present invention solves the defects existing in the background technology and has the following beneficial effects:

[0024] (1) The present invention provides a lubrication system for metal processing. By setting a nozzle mechanism and a flow guide module, the system can achieve precise control and distribution of lubricating liquid and low-temperature carbon dioxide during the metal processing process, thereby improving the efficiency and quality of metal processing and optimizing the distribution of lubricating liquid to reduce friction and wear during the processing, thereby extending the service life of machine tools and tools. In addition, by adjusting the angle of the nozzle and the flow rate of compressed gas, the system can be personalized according to different processing requirements, thereby further improving the processing accuracy.

[0025] (2) In the present invention, by setting a temperature control unit in the liquid storage tank, the temperature of the lubricating fluid can be stably controlled within the optimal working range of 40-60°C, which is beneficial to maintaining the fluidity and lubricating performance of the lubricating fluid, while avoiding the degradation of lubricating fluid performance or damage to the processed material due to excessive temperature. The application of the temperature control unit ensures that a stable lubrication effect can be provided under different environmental conditions, thereby improving the reliability of the processing process.

[0026] (3) In the present invention, the pumping speed and the processing area environment are monitored and adjusted in real time through the frequency conversion drive and the sensor array, which not only improves the response speed and adjustment accuracy of the system, but also can timely adjust the lubrication strategy by monitoring the temperature, humidity and lubricant distribution in the processing area to ensure that the processing process is always in the best state. It also helps to discover potential processing problems in advance, so as to take preventive measures and reduce unexpected downtime and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 is a three-dimensional structural diagram of a preferred embodiment of the present invention;

[0029] Figure 2 is an enlarged structural diagram of part A of a preferred embodiment of the present invention;

[0030] Figure 3 is a partial cross-sectional structural diagram of a nozzle mechanism from a first viewing angle of a preferred embodiment of the present invention;

[0031] Figure 4 is a partial cross-sectional structural diagram of a nozzle mechanism from a second viewing angle of a preferred embodiment of the present invention;

[0032] Figure 5 It is a flow chart of a preferred embodiment of the present invention.

[0033] In the figure: 1, machine tool; 2, liquid storage tank; 3, machine head; 4, filter box; 5, fixing ring; 6, nozzle mechanism; 601, connecting rod; 602, angle adjustment unit; 603, nozzle frame; 604, first spray hole; 605, second spray hole; 606, adjustment frame; 607, outer hole; 608, inner hole; 609, compressed gas outlet pipe; 610, fixing rod; 611, driving unit. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0037] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0038] like Figure 1 As shown, a lubrication system for metal processing includes: a machine tool 1, a machine head 3 arranged in the machine tool 1, a plurality of nozzle mechanisms 6 arranged on the circumferential outer wall of the machine head 3, a liquid storage tank 2 arranged on the upper surface of the machine head 3, and a flow guide module arranged between the liquid storage tank 2 and the nozzle mechanism 6;

[0039] like Figure 2-Figure 3 As shown, the liquid storage tank 2 is fixedly connected to the upper surface of the machine tool 1, the machine head 3 is fixedly installed on the top inner wall of the machine tool 1, the circumferential outer wall of the machine head 3 is fixedly connected with a fixing ring 5, and the nozzle mechanism 6 includes: a connecting rod 601, an angle adjustment unit 602 arranged at one end of the connecting rod 601, a nozzle frame 603 arranged at the bottom of the angle adjustment unit 602, a compressed gas outlet pipe 609 arranged in the nozzle frame 603, and an adjustment frame 606 arranged on the circumferential inner wall of the nozzle frame 603;

[0040] The circumferential outer wall of the nozzle frame 603 is provided with a plurality of first spray holes 604 penetrating therethrough, the circumferential outer wall of the nozzle frame 603 is provided with a plurality of second spray holes 605 penetrating therethrough, the circumferential outer wall of the adjustment frame 606 is provided with a plurality of outer holes 607 penetrating therethrough, the circumferential outer wall of the adjustment frame 606 is provided with a plurality of inner holes 608 penetrating therethrough, the connecting rod 601 is fixedly connected to the circumferential outer wall of the machine head 3, the angle adjustment unit 602 is fixedly mounted at one end of the connecting rod 601, the bottom of the angle adjustment unit 602 is fixedly connected to the nozzle frame 603, the compressed gas outlet pipe 609 is located in the nozzle frame 603, the bottom end of the compressed gas outlet pipe 609 passes through the nozzle frame 603 and is fixedly connected, the compressed gas A driving unit 611 is provided on the circumferential outer wall of the body outlet pipe 609, and a plurality of fixing rods 610 are fixedly connected to the circumferential outer wall of the driving unit 611, and the other ends of the plurality of fixing rods 610 are fixedly connected to the circumferential inner wall of the adjusting frame 606, and the circumferential outer wall of the adjusting frame 606 is tightly fitted with the circumferential inner wall of the nozzle frame 603, and adjacent first spray holes 604 and second spray holes 605 are cross-arranged, and adjacent outer holes 607 and inner holes 608 are on the same latitude, and a plurality of first spray holes 604 overlap with a plurality of outer holes 607, and a plurality of second spray holes 605 overlap with a plurality of inner holes 608, respectively. A filter box 4 is provided at the bottom of the machine tool 1, and the filter box 4 is connected to the liquid storage tank 2 by a pipeline.

[0041] It should be noted that the nozzle mechanism 6 sprays the mixture of low-temperature carbon dioxide and lubricating liquid to the processing area. First, the addition of low-temperature carbon dioxide sprayed from the compressed gas outlet pipe 609 significantly improves the cooling efficiency, quickly absorbs the heat in the processing area, and effectively controls the temperature rise during the processing, thereby reducing the thermal deformation and stress concentration of the workpiece, ensuring the processing accuracy and surface quality. At the same time, the addition of lubricating liquid sprayed from the nozzle frame 603 provides the necessary lubrication, reduces the friction coefficient between the tool and the workpiece, prolongs the service life of the tool, and reduces wear.

[0042] The mixed injection method optimizes the viscosity of the lubricant in low temperature environments, improves its adhesion and permeability on the metal surface, and thus more effectively reduces friction and wear;

[0043] Furthermore, the cross-arranged first spray hole 604 and second spray hole 605, as well as the co-latitude layout of the outer hole 607 and the inner hole 608, ensure uniform coverage of the processing area, effectively reduce the processing temperature, reduce thermal deformation, and thus significantly improve the processing accuracy and workpiece surface quality. The flexible angle adjustment unit 602 and flow control design allow the operator to adjust the spray angle and force according to specific needs to meet the processing requirements of different materials and processes.

[0044] During adjustment, the driving unit 611 is started so that the driving unit 611 drives the adjusting frame 606 to rotate. When the plurality of outer holes 607 overlap with the corresponding plurality of first spray holes 604, and the plurality of second spray holes 605 are blocked by the adjusting frame 606, the coverage of the lubricating liquid becomes larger. When the plurality of inner holes 608 overlap with the corresponding plurality of second spray holes 605, and the plurality of first spray holes 604 are blocked by the adjusting frame 606, the coverage of the lubricating liquid becomes smaller. This enables the control unit to adjust the injection area of ​​the lubricating liquid according to the processing requirements. Whether it is a large workpiece that requires extensive coverage or a specific area that requires centralized lubrication, the best effect can be achieved, which not only improves the processing efficiency, but also optimizes the processing quality of the workpiece, reduces friction and heat, and improves the surface finish.

[0045] In addition, by connecting the filter box 4 with the liquid storage tank 2, not only can the efficient filtration and recycling of the lubricating fluid be achieved, thus reducing the production cost, but also by maintaining the cleanliness of the lubricating fluid, avoiding equipment wear or processing defects, and enhancing the stability and reliability of the processing process. The intelligent monitoring and adjustment mechanism monitors the environmental conditions of the processing area in real time through the sensor array and the control unit, and automatically adjusts the pumping speed and the working state of the nozzle, further improving the response speed of the system and the processing efficiency;

[0046] The temperature control unit in the liquid storage tank 2 can stabilize the temperature of the lubricating fluid to ensure that the best performance can be maintained under different ambient temperatures. The use of low-temperature compressed gas tanks provides additional cooling capacity for processing in high-temperature environments to ensure the continuity and stability of the processing process.

[0047] like Figure 2-Figure 3 As shown, the diversion module includes: a cryogenic compressed gas tank, a pumping unit, a distribution unit and a control unit; the cryogenic compressed gas tank is used to store cryogenic carbon dioxide, the pumping unit is connected to the liquid storage tank 2 and the cryogenic compressed gas tank, the distribution unit is connected to the pumping device, and is used to pump the lubricating liquid and the cryogenic carbon dioxide from the liquid storage tank 2 and the cryogenic compressed gas tank to the nozzle frame 603 and the compressed gas outlet pipe 609 respectively, the control unit is used to control the operation of the pumping unit, the angle adjustment unit 602, the drive unit 611 and the distribution unit, the liquid storage tank 2 is provided with a temperature control unit, the temperature control unit is used to control the temperature of the lubricating liquid in the liquid storage tank 2, the temperature of the lubricating liquid in the liquid storage tank 2 is controlled at 40-60°C, the pumping unit includes a variable frequency drive module, the variable frequency drive module is used to adjust the pumping speed, and the control unit includes a sensor array for monitoring the temperature, humidity and distribution of the lubricating liquid in the processing area.

[0048] It should be noted that the temperature control unit in the liquid storage tank 2 ensures that the temperature of the lubricating fluid is maintained between 40°C and 60°C, which is beneficial to the fluidity and lubricating properties of the lubricating fluid, ensuring the best lubrication effect during the metal processing process. Temperature control also helps to extend the service life of the lubricating fluid, because too high or too low temperatures may cause the lubricating fluid to deteriorate or deteriorate.

[0049] like Figure 4 As shown, a method for using a lubrication system for metal processing is characterized by comprising the following steps:

[0050] S1: The variable frequency drive module in the control unit adjusts the pumping speed of the lubricating fluid and low-temperature carbon dioxide;

[0051] S2: The control unit sets the spray angle of the angle adjustment unit 602 to adapt to different processing requirements;

[0052] S3: Use the sensor array to monitor the temperature, humidity and lubricant distribution in the processing area in real time;

[0053] S4: Adjust the nozzle mechanism 6 to adjust the lubricating liquid spraying area.

[0054] It should be noted that the variable frequency drive module adjusts the pumping speed according to the processing requirements, and can accurately control the pumping speed of the lubricant and carbon dioxide according to the processing conditions of cutting depth, feed rate and cutting speed, thereby reducing the waste of lubricant and carbon dioxide, while ensuring that there is always an appropriate amount of lubricant and carbon dioxide in the processing area to maintain the efficiency and quality of the processing process;

[0055] Pumping speed = Q × 1000 ÷ (A × V)

[0056] Where Q is the feed rate (mm / min), A is the cutting depth (mm), and V is the cutting speed (m / min);

[0057] The control unit monitors the temperature, humidity and distribution of lubricating fluid in the processing area through a sensor array to achieve intelligent control of the entire lubrication system;

[0058] The multiple nozzle mechanisms 6 equipped in the distribution unit can independently adjust the spray angle through the control unit to control the angle adjustment unit 602, so as to ensure that the lubricating liquid can evenly cover all parts of the processing area. The even distribution not only improves the processing efficiency, but also helps to reduce the processing defects caused by uneven lubrication, such as tool wear or workpiece surface damage;

[0059] The temperature sensor, humidity sensor and lubricant distribution sensor are used to monitor the values ​​of various parameters in real time in the processing area. The control unit receives the data from the sensor array, processes and analyzes the data, and determines the temperature, humidity and lubricant distribution in the processing area.

[0060] According to the temperature, humidity and lubricant distribution, the algorithm of the angle adjustment unit 602 is designed to determine the spray angle adjustment amount of each nozzle mechanism 6;

[0061] For example, when spraying lubricating fluid and cryogenic carbon dioxide, the spraying angle is adjusted according to the concentration of lubricating fluid and cryogenic carbon dioxide and the humidity requirements of the processing area to achieve the best lubrication effect;

[0062] The formula for controlling the angle by the angle adjustment unit 602 can be expressed as:

[0063] θ=θ0+k(T-TO)+m(H-HO)+n(L-LO)

[0064] Among them, θ is the final injection angle, θ0 is the initial injection angle, T, H, L are the temperature, humidity and lubricant concentration of the processing area, TO, HO, LO are the set target temperature, humidity and lubricant concentration, and k, m, n are adjustment coefficients.

[0065] According to the calculation result of the algorithm, the spraying angle of each nozzle mechanism 6 is adjusted and controlled, and the spraying angle of each nozzle mechanism 6 is accurately controlled through the angle adjustment unit 602.

[0066] If the temperature exceeds 50-70°C and the humidity exceeds 40%-60% RH, a plurality of outer holes 607 are overlapped with the corresponding plurality of first spray holes 604, and a plurality of second spray holes 605 are blocked by the adjustment frame 606, so that the coverage of the lubricating liquid and the low-temperature carbon dioxide becomes larger, thereby increasing the injection amount of the low-temperature carbon dioxide and the injection area of ​​the lubricating liquid to reduce the temperature of the processing area and enhance the cooling effect.

[0067] If the temperature is lower than 50-70°C and the humidity is lower than 40%-60% RH, a plurality of inner holes 608 are overlapped with a plurality of corresponding second spray holes 605, and a plurality of first spray holes 604 are blocked by the adjustment frame 606, so that the coverage of the lubricating liquid becomes smaller, thereby reducing the injection amount of low-temperature carbon dioxide and the injection area of ​​the lubricating liquid to maintain the temperature and humidity of the processing area.

[0068] The filter box 4 removes fine particles and impurities in the recovered lubricating fluid through filter paper or filter screen to ensure the cleanliness of the lubricating fluid. The clean lubricating fluid is returned to the fluid storage tank 2 to achieve the recycling of resources, reduce the demand for new lubricating fluid, reduce costs, and also reduce environmental pollution.

[0069] Embodiment 1:

[0070] The lubricating liquid is stored in a liquid storage tank 2 equipped with a temperature control unit to ensure that the temperature of the lubricating liquid is always controlled at 50°C, and the carbon dioxide is stored in a low-temperature compressed gas tank to maintain its optimal fluidity;

[0071] The variable frequency drive module adjusts the pumping speed according to the processing requirements. According to the parameters such as the cutting depth, feed rate and cutting speed of the tool, the supply of lubricant and carbon dioxide is accurately controlled to reduce waste, while ensuring that there is always enough lubricant in the processing area. The formula for pumping speed is: Pumping speed = Q × 1000 ÷ (A × V)

[0072] Where Q is the feed rate (mm / min), A is the cutting depth (mm), and V is the cutting speed (m / min).

[0073] The multiple nozzle mechanisms 6 can independently adjust the spray angle to ensure that the lubricating liquid evenly covers all parts of the processing area, thereby improving processing efficiency and reducing the occurrence of processing defects.

[0074] The temperature, humidity and lubricant distribution in the processing area are monitored by sensors to achieve intelligent control. The user interface allows the operator to manually adjust the pumping speed as needed, providing operational flexibility. The formula for adjusting the spray angle of the nozzle mechanism 6 can be expressed as:

[0075] θ=θ0+k(T-TO)+m(H-HO)+n(L-LO)

[0076] Among them, θ is the final injection angle, θ0 is the initial injection angle, T, H, L are the temperature, humidity and lubricant concentration of the processing area, TO, HO, LO are the set target temperature, humidity and lubricant concentration, and k, m, n are adjustment coefficients.

[0077] If the temperature exceeds 60°C and the humidity exceeds 50% RH, a number of outer holes 607 are overlapped with the corresponding number of first spray holes 604, and a number of second spray holes 605 are blocked by the adjustment frame 606, so that the coverage of the lubricating liquid and the low-temperature carbon dioxide becomes larger, thereby increasing the injection amount of the low-temperature carbon dioxide and the injection area of ​​the lubricating liquid to reduce the temperature of the processing area and enhance the cooling effect.

[0078] If the temperature is lower than 60°C and the humidity is lower than 50% RH, a number of inner holes 608 are overlapped with the corresponding number of second spray holes 605, and a number of first spray holes 604 are blocked by the adjustment frame 606, so that the coverage of the lubricating liquid becomes smaller, thereby reducing the injection amount of low-temperature carbon dioxide and the injection area of ​​the lubricating liquid to maintain the temperature and humidity of the processing area.

[0079] The filter box 4 removes particles and impurities in the recovered lubricating fluid through filter paper or filter screen to ensure the cleanliness of the lubricating fluid, and returns the clean lubricating fluid to the liquid storage tank 2, thereby realizing the recycling of resources, reducing costs and reducing environmental pollution.

[0080] The above is based on the ideal embodiment of the present invention. Through the above description, relevant personnel can make various changes and modifications without departing from the technical concept of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A lubrication system for metal processing, comprising: A machine tool (1), a machine head (3) arranged in the machine tool (1), a plurality of nozzle mechanisms (6) arranged on the circumferential outer wall of the machine head (3), a liquid storage tank (2) arranged on the upper surface of the machine head (3), and a flow guide module arranged between the liquid storage tank (2) and the nozzle mechanism (6), It is characterized by: The liquid storage tank (2) is fixedly connected to the upper surface of the machine tool (1), the machine head (3) is fixedly installed on the top inner wall of the machine tool (1), the circumferential outer wall of the machine head (3) is fixedly connected with a fixing ring (5), and the nozzle mechanism (6) comprises: a connecting rod (601), an angle adjustment unit (602) arranged at one end of the connecting rod (601), a nozzle frame (603) arranged at the bottom of the angle adjustment unit (602), a compressed gas outlet pipe (609) arranged in the nozzle frame (603), and an adjustment frame (606) arranged on the circumferential inner wall of the nozzle frame (603); The circumferential outer wall of the nozzle frame (603) is provided with a plurality of first spray holes (604) extending therethrough, the circumferential outer wall of the nozzle frame (603) is provided with a plurality of second spray holes (605) extending therethrough, the circumferential outer wall of the adjustment frame (606) is provided with a plurality of external holes (607) extending therethrough, and the circumferential outer wall of the adjustment frame (606) is provided with a plurality of internal holes (608) extending therethrough.

2. A lubrication system for metal processing according to claim 1, characterized in that: The connecting rod (601) is fixedly connected to the circumferential outer wall of the machine head (3), the angle adjustment unit (602) is fixedly installed on one end of the connecting rod (601), and the bottom of the angle adjustment unit (602) is fixedly connected to the nozzle frame (603).

3. A lubrication system for metal processing according to claim 1, characterized in that: The compressed gas outlet pipe (609) is located in the nozzle frame (603), and the bottom end of the compressed gas outlet pipe (609) passes through the nozzle frame (603) and is fixedly connected.

4. A lubrication system for metal processing according to claim 1, characterized in that: A driving unit (611) is provided on the circumferential outer wall of the compressed gas outlet pipe (609), and a plurality of fixing rods (610) are fixedly connected to the circumferential outer wall of the driving unit (611).

5. A lubrication system for metal processing according to claim 1, characterized in that: The other ends of the plurality of fixing rods (610) are fixedly connected to the circumferential inner wall of the adjusting frame (606), and the circumferential outer wall of the adjusting frame (606) is tightly fitted to the circumferential inner wall of the nozzle frame (603).

6. A lubrication system for metal processing according to claim 1, characterized in that: The adjacent first spray holes (604) and second spray holes (605) are arranged crosswise, and the adjacent outer holes (607) and inner holes (608) are on the same latitude, a number of the first spray holes (604) overlap with a number of outer holes (607) respectively, and a number of the second spray holes (605) overlap with a number of inner holes (608) respectively. A filter box (4) is provided at the bottom of the machine tool (1), and the filter box (4) is connected to the liquid storage tank (2) through a pipeline.

7. A lubrication system for metal processing according to claim 1, characterized in that: The flow guide module comprises: a cryogenic compressed gas tank, a pumping unit, a distribution unit and a control unit; the cryogenic compressed gas tank is used to store cryogenic carbon dioxide, the pumping unit is connected to a liquid storage tank (2) and a cryogenic compressed gas tank, the distribution unit is connected to a pumping device and is used to pump lubricating liquid and cryogenic carbon dioxide from the liquid storage tank (2) and the cryogenic compressed gas tank to a nozzle frame (603) and a compressed gas outlet pipe (609) respectively, and the control unit is used to control the operation of the pumping unit, the angle adjustment unit (602), the drive unit (611) and the distribution unit.

8. A lubrication system for metal processing according to claim 1, characterized in that: A temperature control unit is provided in the liquid storage tank (2), and the temperature control unit is used to control the temperature of the lubricating liquid in the liquid storage tank (2). The temperature of the lubricating liquid in the liquid storage tank (2) is controlled at 40-60°C.

9. A lubrication system for metal processing according to claim 8, characterized in that: The pumping unit includes a variable frequency drive module for adjusting the pumping speed, and the control unit includes a sensor array for monitoring the temperature, humidity and distribution of lubricating fluid in the processing area.

10. A method for using a lubrication system for metal processing according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: The variable frequency drive module in the control unit adjusts the pumping speed of the lubricating fluid and low-temperature carbon dioxide; S2: The control unit sets the spray angle of the angle adjustment unit (602) to adapt to different processing requirements; S3: Use sensor arrays to monitor the temperature, humidity, and distribution of lubricating fluid in the processing area in real time; S4: Adjust the nozzle mechanism (6) to adjust the lubricating liquid spraying area.

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