Cooling liquid conveying device for spraying machining of general-purpose machine tool and using method

Abstract

The invention provides a cooling liquid conveying device for spraying machining of a general-purpose machine tool and a using method. The cooling liquid conveying device comprises a tank body, supports are symmetrically installed at the bottom of the tank body, the top of the tank body fixedly communicates with a first pipe connector, a screw plug is installed on the first pipe connector, and the top of the tank body fixedly communicates with a quick connector; a second pipe joint is fixed at the top of the tank body, a mixing joint is mounted on the second pipe joint, a liquid outlet pipe is connected to the bottom end of the mixing joint and located in the tank body, a liquid outlet hose and an air outlet hose are connected to the mixing joint, and the other ends of the liquid outlet hose and the air outlet hose are simultaneously connected with a sprayer; and the outlet of the sprayer is provided with a nozzle through an atomizing liquid outlet pipe. According to the device, compressed air serves as power, cooling liquid is conveyed to a cutting machining area in a spraying mode, then the cooling liquid is efficiently used for cooling a cutter in the machining process, the cooling efficiency is effectively improved, the service life of the cutter is prolonged, and the problem that a common machine tool is not provided with a machining cooling system is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of machining, and particularly relates to a coolant delivery device and a usage method for spray machining on a conventional machine tool. Background Art

[0002] In the field of machining, the heat generated during the cutting process of a tool has an adverse impact on the quality of the machined product and the service life of the tool. How to control or reduce the cutting heat is crucial for machining. Therefore, appropriately cooling the machining area during the machining process not only helps to improve the surface roughness quality of the workpiece; it can also cool the workpiece, reduce the thermal deformation generated during machining; maintain a relatively reasonable temperature in the machining area, which is beneficial to extending the service life of the tool, improving production efficiency, and reducing costs.

[0003] For most of our company's heavy-duty lathe, milling, and boring equipment produced in the last century, there is no machining cooling system, and it is difficult to meet the complex and diverse machining requirements such as the ever-changing machining materials, the iterative upgrading of machining tools, and the pursuit of excellence in machining requirements. If a machining cooling system that can match the equipment is purchased separately, the cycle is long and the cost is high; the original equipment has no cutting fluid collection system, and a large amount of liquid cooling cannot be used; therefore, a cooling method with low investment, quick effect, and no liquid collection is the key technology to solve the cutting cooling problem of backward equipment. Summary of the Invention

[0004] To solve the current existing technical problems, the main object of the present invention is to provide a coolant delivery device and a usage method for spray machining on a conventional machine tool. This device uses compressed air as the power to deliver the coolant to the cutting machining area in the form of a spray, and then is efficiently used for cooling the tool during the machining process, effectively improving the cooling efficiency, extending the service life of the tool, and solving the problem of the lack of a machining cooling system for conventional machine tools.

[0005] To achieve the above technical features, the object of the present invention is realized as follows: A coolant delivery device for spray machining on a conventional machine tool includes a tank body. Brackets are symmetrically installed at the bottom of the tank body. A first pipe joint is fixedly connected to the top of the tank body, and a plug is installed on the first pipe joint. A quick joint is fixedly connected to the top of the tank body. A second pipe joint is fixed to the top of the tank body, and a mixing joint is installed on the second pipe joint. The bottom end of the mixing joint and inside the tank body is connected with a liquid outlet pipe. An outlet liquid hose and an outlet gas hose are connected to the mixing joint. The other ends of the outlet liquid hose and the outlet gas hose are simultaneously connected to a sprayer. The outlet of the sprayer is installed with a nozzle through an atomizing liquid outlet pipe.

[0006] Preferably, during use, the inside of the tank body stores the coolant; The quick joint is connected to high-pressure compressed air.

[0007] Preferably, the bracket includes a main vertical plate, the bottom of the main vertical plate is formed into a bottom plate by bending, and an arc groove for cooperating with the tank body is machined at the top of the main vertical plate.

[0008] Preferably, a washer is arranged between the mixing joint and the second pipe joint.

[0009] Preferably, handles are fixed on both sides of the top of the tank body.

[0010] Preferably, the first pipe joint includes a first joint body, the first joint body is fixed on the top of the tank body by welding, a first internal thread interface is machined at the inner top end of the first joint body, and the first internal thread interface is connected with the plug through thread fit.

[0011] Preferably, the second pipe joint includes a second joint body, the second joint body is fixed on the top of the tank body by welding, a second internal thread interface is machined at the inner top end of the second joint body, and the second internal thread interface is connected with the mixing joint through thread fit.

[0012] Preferably, the mixing joint includes a hexagonal head body, a threaded column is arranged at the bottom end of the hexagonal head body, a first blind hole and a second blind hole are machined inside the threaded column, the end of the first blind hole is communicated with a liquid outlet machined on the hexagonal head body, the end of the second blind hole is communicated with an air outlet machined on the hexagonal head body, and a third internal thread interface is machined at one end of the head of the first blind hole; The liquid outlet is connected to a liquid outlet hose, and the air outlet is connected to an air outlet hose.

[0013] Preferably, the liquid outlet pipe includes a liquid outlet pipe body, an external threaded column is arranged at the top end of the liquid outlet pipe body, and the external threaded column and the third internal thread interface form a thread fit; An air pressure knob for adjusting the gas flow rate and a coolant adjustment knob for adjusting the coolant flow rate are arranged on the sprayer.

[0014] Preferably, on the other hand, the present invention provides a usage method of a coolant delivery device for spray machining of a general machine tool, including the following steps: Step 1, machining of the components of the coolant delivery device: According to the specific structural components of the coolant delivery device, the corresponding structural components are machined and produced; Step 2, assembly of the coolant delivery device: After all the components are machined, a plug is installed on the tank body correspondingly, a liquid outlet pipe is installed at the bottom of the mixing joint, and then the mixing joint is installed on the second pipe joint; Step 3, assembly of the coolant output atomization device: The liquid outlet hose, the air outlet hose, the sprayer, the atomized liquid outlet pipe and the nozzle are assembled and connected; Step 4, Testing of the coolant output atomization device: Load the prepared coolant into the tank body from the position of the first pipe joint and seal it with a plug; Connect compressed air at the quick connector position; Unscrew the air pressure knob and the coolant adjustment knob on the sprayer. Under the action of the compressed air pressure, the coolant in the tank body flows from the liquid outlet pipe to the mixing chamber of the sprayer. By coordinating the coolant adjustment knob and the air pressure knob, the liquid-gas ratio at the outlet is controlled, so as to achieve a certain degree of atomization of the coolant in the mixing chamber and further atomize when reaching outside the nozzle. Step 5, Practical use of the coolant output atomization device: Align the nozzle with the cutting tool or the cutting area, turn on the air pressure knob, adjust the coolant adjustment knob to control the liquid-gas ratio, and implement spray cooling processing of the product according to the optimal atomization parameters obtained from the test.

[0015] The present invention has the following beneficial effects: 1. The technical solution of the present invention is simple and practical.

[0016] 1) The device structure design is simple and easy to understand; 2) The device manufacturing processability is good and the difficulty is low; 3) It is easy to install and convenient to apply.

[0017] 2. The present invention can improve the processing quality.

[0018] 1) Cooling and temperature reduction of the processing area can reduce the thermal deformation of the workpiece; 2) The air pressure helps to discharge the chips in the processing area and form a good surface finish.

[0019] 3. The present invention can reduce the production cost.

[0020] 1) Cooling the cutting tool during processing can maintain a relatively low temperature, keep the hardness of the tool itself, and the cutting fluid can lubricate to reduce the mechanical wear of the tool and extend the service life of the tool; 2) Cooling and temperature reduction of the processing area by gas-liquid is beneficial to increasing the cutting speed and improving the production efficiency.

[0021] 4. The present invention has strong versatility and good economic benefits.

[0022] The coolant delivery device in the present invention uses conventional raw materials, is convenient for production, has a low manufacturing cost, and has good versatility. As long as the equipment without a processing cooling system can apply the cooling processing method of this solution, it has very good economic benefits. Description of the Drawings

[0023] The present invention will be further described below in conjunction with the drawings and embodiments.

[0024] Figure 1This is the overall structure diagram of the component installation on the tank body of the present invention.

[0025] Figure 2 This is the cross-sectional view of the first pipe joint of the present invention.

[0026] Figure 3 This is the cross-sectional view of the second pipe joint of the present invention.

[0027] Figure 4 This is the front view of the mixing joint of the present invention.

[0028] Figure 5 This is the side view of the mixing joint of the present invention.

[0029] Figure 6 This is the mixing joint of the present invention Figure 4 View A-A in it.

[0030] Figure 7 This is the front view of the bracket of the present invention.

[0031] Figure 8 This is the side view of the bracket of the present invention.

[0032] Figure 9 This is the structure diagram of the plug of the present invention.

[0033] Figure 10 This is the structure diagram of the handle of the present invention.

[0034] Figure 11 This is the three-dimensional structure diagram of the present invention.

[0035] In the figure: tank body 1, plug 2, first pipe joint 3, quick joint 4, washer 5, mixing joint 6, second pipe joint 7, handle 8, bracket 9, liquid outlet pipe 10, liquid outlet 11, air outlet 12, air outlet hose 13, sprayer 14, air pressure knob 15, mixing joint 6, liquid outlet hose 17, coolant adjustment knob 18, atomized liquid outlet pipe 19; First joint body 301, first internal thread interface 302; Thread post 601, first blind hole 602, hexagon head body 603, second blind hole 604, third internal thread interface 605; Second joint body 701, second internal thread interface 702; Arc groove 901, main vertical plate 902, bottom plate 903. Specific implementation manner

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment 1: See Figures 1-11 , a coolant delivery device for spray machining of ordinary machine tools, including a tank body 1, brackets 9 are symmetrically installed at the bottom of the tank body 1, a first pipe joint 3 is fixedly communicated with the top of the tank body 1, a plug 2 is installed on the first pipe joint 3, a quick joint 4 is fixedly communicated with the top of the tank body 1, a second pipe joint 7 is fixed to the top of the tank body 1, a mixing joint 6 is installed on the second pipe joint 7, a liquid outlet pipe 10 is connected to the bottom end of the mixing joint 6 and located inside the tank body 1, a liquid outlet hose 17 and an air outlet hose 13 are connected to the mixing joint 6, the other ends of the liquid outlet hose 17 and the air outlet hose 13 are simultaneously connected to a sprayer 14, and a nozzle 16 is installed at the outlet of the sprayer 14 through an atomizing liquid outlet pipe 19. This device uses compressed air as the power to deliver the coolant to the cutting processing area in the form of spray, and then is efficiently used for cooling the tool during the machining process, effectively improving the cooling efficiency and extending the service life of the tool, and solving the problem of the lack of a machining cooling system for ordinary machine tools.

[0038] During the specific use process, by connecting the quick joint 4 to a high-pressure air source, the coolant is pressed out from the liquid outlet pipe 10 inside the tank body 1 by the high-pressure air, and is fully mixed and atomized with the high-pressure gas in the mixing chamber of the sprayer 14, and then sprayed out from the nozzle 16, thereby realizing the cooling of the processing area.

[0039] Furthermore, during use, the coolant is stored inside the tank body 1. This facilitates the subsequent output of the coolant and its atomization under the action of the high-pressure air flow to cool and lower the temperature of the processing area.

[0040] Furthermore, the quick joint 4 is connected to high-pressure compressed air. The high-pressure compressed air is used on the one hand to provide the discharge of the coolant, and on the other hand to atomize the coolant.

[0041] In this embodiment, by directly connecting the quick joint 4 to the compressed air source inside the factory building, the air pressure is 0.6 Mpa.

[0042] Furthermore, the bracket 9 includes a main vertical plate 902, the bottom of the main vertical plate 902 is bent to form a bottom plate 903, and an arc-shaped groove 901 for matching with the tank body 1 is machined at the top of the main vertical plate 902. Through the above-mentioned bracket 9, reliable and stable support for the tank body 1 can be realized, thereby ensuring the reliability and stability of the fixed installation of the tank body 1.

[0043] Furthermore, a washer 5 is provided between the mixing joint 6 and the second pipe joint 7. The washer 5 can achieve a good sealing effect on the mixing joint 6.

[0044] Furthermore, handles 8 are fixed on both sides of the top of the tank body 1. Through the handles 8, the tank body 1 can be conveniently moved and carried as a whole subsequently.

[0045] Furthermore, the first pipe joint 3 includes a first joint body 301. The first joint body 301 is fixed to the top of the tank body 1 by welding. A first internal thread interface 302 is machined at the inner top end of the first joint body 301. The first internal thread interface 302 is connected to the plug 2 through threaded fit. Through the first pipe joint 3, it is convenient to add coolant subsequently, and after the addition, it is convenient to seal through the plug 2.

[0046] Furthermore, the second pipe joint 7 includes a second joint body 701. The second joint body 701 is fixed to the top of the tank body 1 by welding. A second internal thread interface 702 is machined at the inner top end of the second joint body 701. The second internal thread interface 702 is connected to the mixing joint 6 through threaded fit. Through the second pipe joint 7, it is convenient to seal and connect the mixing joint 6 subsequently.

[0047] Furthermore, the mixing joint 6 includes a hexagonal head body 603. A threaded post 601 is provided at the bottom end of the hexagonal head body 603. A first blind hole 602 and a second blind hole 604 are machined inside the threaded post 601. The end of the first blind hole 602 is communicated with a liquid outlet 11 machined on the hexagonal head body 603. The end of the second blind hole 604 is communicated with an air outlet 12 machined on the hexagonal head body 603. A third internal thread interface 605 is machined at one end of the head of the first blind hole 602. Through the mixing joint 6, on the one hand, it can be used to discharge the coolant inside the tank body from the liquid outlet 11, and on the other hand, it can be used to discharge the high-pressure gas from the air outlet 12, and then fully mix and atomize in the mixing chamber of the sprayer 14 subsequently.

[0048] Furthermore, the liquid outlet 11 is connected to a liquid outlet hose 17, and the air outlet 12 is connected to an air outlet hose 13. Through the liquid outlet hose 17, it is convenient to transport the coolant, and through the air outlet hose 13, it is convenient to transport the high-pressure gas.

[0049] Furthermore, the liquid outlet pipe 10 includes a liquid outlet pipe body 1001. An external threaded post 1002 is provided at the top end of the liquid outlet pipe body 1001. The external threaded post 1002 is in threaded fit with the third internal thread interface 605. Through the liquid outlet pipe 10, it is convenient to discharge the coolant inside the tank body 1 during the working process and transport it to the mixing chamber of the sprayer 14 for full mixing and atomization.

[0050] Further, a pressure knob 15 for adjusting the gas flow rate and a coolant adjustment knob 18 for adjusting the coolant flow rate are provided on the sprayer 14. Through the cooperation between the above-mentioned pressure knob 15 and coolant adjustment knob 18, the best atomization effect can be ensured.

[0051] Embodiment 2: On the other hand, the present invention provides a method for using a coolant delivery device for spray machining of ordinary machine tools, including the following steps: Step 1, machining of the components of the coolant delivery device: According to the specific structural components of the coolant delivery device, the corresponding structural components are machined and produced; Step 2, assembly of the coolant delivery device: After all components are machined, a plug 2 is correspondingly installed on the tank body 1, a liquid outlet pipe 10 is installed at the bottom of the mixing joint 6, and then the mixing joint 6 is installed on the second pipe joint 7; Step 3, assembly of the coolant output atomization device: The liquid outlet hose 17, the air outlet hose 13, the sprayer 14, the atomized liquid outlet pipe 19 and the nozzle 16 are assembled and connected; Step 4, testing of the coolant output atomization device: The prepared coolant is filled into the tank body 1 from the position of the first pipe joint 3 and sealed with the plug 2; compressed air is connected at the position of the quick connector 4; the pressure knob 15 and the coolant adjustment knob 18 on the sprayer 14 are turned on. Under the action of the compressed air pressure, the coolant in the tank body 1 flows from the liquid outlet pipe 10 to the mixing chamber of the sprayer 14. Through the cooperation of the coolant adjustment knob 18 and the pressure knob 15, the liquid-gas ratio at the outlet is controlled, so as to achieve a certain degree of atomization of the coolant in the mixing chamber and further atomize when reaching outside the nozzle; Step 5, actual use of the coolant output atomization device: The nozzle 16 is aligned with the cutting tool or the cutting area, the pressure knob 15 is turned on, and the coolant adjustment knob 18 is adjusted to control the liquid-gas ratio. According to the best atomization parameters obtained from the test, product spray cooling machining is implemented.

[0052] So far, the present invention has described the technical method of the present invention in detail through the drawings and the specific flowcharts. However, the protection scope of the present invention is not limited to the specific implementation manners described above. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and these technical solutions after the changes or substitutions still fall within the protection scope of the present invention.

Claims

1. A coolant delivery device for spray processing of ordinary machine tools, characterized in that: The invention comprises a tank body (1), wherein a bracket (9) is symmetrically mounted on the bottom of the tank body (1), a first pipe joint (3) is fixedly connected to the top of the tank body (1), a screw plug (2) is mounted on the first pipe joint (3), a quick joint (4) is fixedly connected to the top of the tank body (1), a second pipe joint (7) is fixedly mounted on the top of the tank body (1), a mixing joint (6) is mounted on the second pipe joint (7), a liquid outlet pipe (10) is connected to the bottom end of the mixing joint (6) and is located inside the tank body (1), a liquid outlet hose (17) and an air outlet hose (13) are connected to the mixing joint (6), the other ends of the liquid outlet hose (17) and the air outlet hose (13) are simultaneously connected to a sprayer (14), and a nozzle (16) is mounted at the outlet of the sprayer (14) via an atomizing liquid outlet pipe (19).

2. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: When in use, the tank (1) stores coolant inside; The quick connector (4) is connected to high-pressure compressed air.

3. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: The bracket (9) comprises a main vertical plate (902), the bottom of the main vertical plate (902) is bent to form a bottom plate (903), and the top of the main vertical plate (902) is processed with an arc groove (901) for matching with the tank body (1).

4. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: A gasket (5) is provided between the mixing joint (6) and the second pipe joint (7).

5. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: Handles (8) are fixed on both sides of the top of the tank body (1).

6. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: The first pipe joint (3) comprises a first joint body (301), the first joint body (301) being fixed to the top of the tank body (1) by welding, the inner top end of the first joint body (301) being processed with a first internal thread interface (302), the first internal thread interface (302) being connected to the screw plug (2) by threaded matching.

7. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: The second pipe joint (7) comprises a second joint body (701), the second joint body (701) being fixed to the top of the tank body (1) by welding, the inner top end of the second joint body (701) being processed with a second internal threaded interface (702), the second internal threaded interface (702) being connected to the mixing joint (6) by threaded matching.

8. The coolant delivery device for spray processing of common machine tools according to claim 1, characterized in that: The mixing joint (6) comprises a hexagonal head body (603), a threaded column (601) is arranged at the bottom end of the hexagonal head body (603), a first blind hole (602) and a second blind hole (604) are machined inside the threaded column (601), the end of the first blind hole (602) is connected to a liquid outlet (11) machined on the hexagonal head body (603), the end of the second blind hole (604) is connected to an air outlet (12) machined on the hexagonal head body (603), and a third internal threaded interface (605) is machined at one end of the head of the first blind hole (602); The liquid outlet (11) is connected to a liquid outlet hose (17), and the air outlet (12) is connected to an air outlet hose (13).

9. The coolant delivery device for spray processing of common machine tools according to claim 8, characterized in that: The liquid outlet pipe (10) comprises a liquid outlet pipe body (1001), the top end of which is provided with an external thread column (1002), and the external thread column (1002) and the third internal thread interface (605) form a threaded fit; The sprayer (14) is provided with an air pressure knob (15) for adjusting the gas flow rate and a coolant adjustment knob (18) for adjusting the coolant flow rate.

10. A method for using a coolant delivery device for spray processing of common machine tools according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1, processing of coolant delivery device components: According to the specific structural components of the coolant delivery device, process and produce the corresponding structural components; Step 2, assembly of coolant delivery device: After all parts are processed, the screw plug (2) is installed on the tank body (1) accordingly, and the liquid outlet pipe (10) is installed at the bottom of the mixing joint (6), and then the mixing joint (6) is installed on the second pipe joint (7); Step 3, assembly of coolant output atomization device: Assemble and connect the liquid outlet hose (17), the air outlet hose (13), the sprayer (14), the atomization liquid outlet pipe (19) and the nozzle (16); Step 4, test of coolant output atomization device: The prepared coolant is loaded into the tank body (1) from the first pipe joint (3) and sealed with a screw plug (2); compressed air is connected to the quick joint (4); the air pressure knob (15) and the coolant regulating knob (18) on the sprayer (14) are turned on, and the coolant in the tank body (1) flows from the liquid outlet pipe (10) to the mixing chamber of the sprayer (14) under the action of the compressed air pressure, and the liquid-gas ratio at the outlet is controlled by the coolant regulating knob (18) and the air pressure knob (15), so that the coolant in the mixing chamber is atomized to a certain extent, and further atomized when it reaches the outside of the nozzle; Step 5, actual use of the coolant output atomization device: Aim the nozzle (16) at the cutting tool or cutting area, turn on the air pressure knob (15), adjust the coolant adjustment knob (18) to control the liquid-gas ratio, and implement the product spray cooling process according to the optimal atomization parameters obtained by the test.

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