A cutting fluid multi-component online mixing nozzle based on minimal lubrication

Abstract

A cutting fluid multi-component online mixing nozzle based on minimal lubrication, characterized by comprising: a protective cover, a shrink tube, a mixing tube arranged at the end of the shrink tube, a first support ring, a second support ring, a cone-top spiral, a flat-top spiral, a first bracket, a second bracket, a third bracket, a one-way valve, a telescopic tube, a adapter, a piston, a first air pipe, a second air pipe, a third air pipe, a first oil pipe, a second oil pipe, and a fourth air pipe. Through this invention, the various components of the cutting fluid based on minimal lubrication can be mixed online uniformly; the online mixing nozzle has an anti-overflow airflow protective cover to reduce the diffusion of the cutting fluid mixed components into the surrounding air and reduce air pollution; the radius and flow rate of the anti-overflow airflow protective gas can be adjusted according to the processing requirements; a high-speed compressed air flow is injected into the outlet of the shrink tube to enhance the penetration of the cutting fluid mixed airflow and improve the cooling effect.

Description

Technical Field

[0001] The invention relates to the field of cutting processing, and in particular to a cutting fluid multi-component online mixing nozzle based on minimal lubrication. Background Art

[0002] Metal cutting fluid is mainly used to cool and lubricate tools and workpieces, and is an important auxiliary material for metal cutting. The main functions of cutting fluid are lubrication, cooling and chip flushing, etc., and the amount of use is large. Different processing materials and processing technologies require different cutting fluids. For example, cutting aluminum alloys and titanium alloys require cutting fluids with good lubricity; processing cast iron requires cutting fluids with good rust resistance. Therefore, in order to meet various processing needs, hundreds of different types of cutting fluids composed of complex chemical formulas have been derived. And the composition of various cutting fluids is also different. However, cutting fluids contain a large amount of oil substances and are easy to deteriorate during use. Waste cutting fluids have a high content of organic pollutants and are difficult to biodegrade. Cutting fluid wastewater is called one of the "cancer waters", which is extremely harmful to the ecological environment and operators. In order to solve the various problems caused by the large-scale use of cutting fluids in traditional processing, micro-lubrication mixes compressed gas with a very small amount of lubricant to vaporize, form micron-sized droplets, and spray them into the processing area to achieve lubrication. A cutting method. Micro-lubrication is not only greener and more environmentally friendly than traditional cooling methods, but also has better cutting performance. Summary of the invention

[0003] The technical task of the present invention is to solve the deficiencies of the prior art and provide a cutting fluid multi-component online mixing nozzle based on minimal lubrication.

[0004] In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is: a cutting fluid multi-component online mixing nozzle based on minimal lubrication, characterized in that it includes: a protective cover 1, a shrink tube 2, a mixing tube 3 arranged at the end of the shrink tube 2, a first support ring 41, a second support ring 42, a cone-top spiral 51, a flat-top spiral 52, a first bracket 61, a second bracket 62, a third bracket 63, a check valve 2 71, a check valve 3 72, a check valve 1 73, a telescopic tube 74, an adapter 81, a piston 82, a first air pipe 91, a second air pipe 92, a third air pipe 93, a first oil pipe 94, a second oil pipe 95, a telescopic tube 2 96, and a fourth air pipe 97;

[0005] The protective cover 1 is connected to the shrink tube 2 via a piston 82;

[0006] The shrink tube 2 and the mixing tube 3 are fixedly connected via an adapter 81;

[0007] The protective cover 1 cooperates with the shrink tube 2 through the first support ring 41 and the second support ring 42, and the first air pipe 91, the second air pipe 92, and the third air pipe 93 are fixedly arranged through the first bracket 61;

[0008] The mixing tube 3 is fixedly provided with a first oil pipe 94 and a second oil pipe 95 via a second bracket 62 and a third bracket 63, and a fourth air pipe 97 via a third bracket 63;

[0009] The second air pipe 92 is connected to the fourth air pipe 97 via a second telescopic pipe 96;

[0010] The protective cover 1 is provided with a hole 13 and a hole 16, and the holes 13 and the holes 16 are symmetrically distributed.

[0011] The shrink tube 2 is provided with two holes 24 symmetrically distributed, and the second hole 24 and the first hole 16 are connected through a telescopic tube 74;

[0012] The mixing tube 3 is provided with a third hole 35 and a fourth hole 36, and the third hole 35 and the fourth hole 36 are both symmetrically distributed.

[0013] The one-way valve 2 71 is arranged on the shrink tube 2, and the one-way valve 3 72 and the one-way valve 1 73 are arranged on the mixing tube 3;

[0014] The shrink tube 2 is provided with a cone-top screw 51;

[0015] A flat-top screw 52 is provided in the mixing tube 3 .

[0016] Furthermore, the top of the protective cover 1 and the shrink tube 2 in the same direction are respectively provided with an outlet 18 and an outlet 28, and the top of the mixing tube in the opposite direction is provided with an inlet 31.

[0017] Furthermore, the first support ring 41 includes an outer ring 411, an inner ring 412, a pillar 413, and a positioning groove 414. The inner ring 412 and the outer ring 411 are fixedly connected by the pillar 413. The inner ring 412 is connected to the shrink tube 2, and the outer ring 411 is connected to the protective cover 1. The shrink tube 2 is provided with a positioning column 26, which cooperates with the positioning groove 414 for positioning.

[0018] Furthermore, the second support ring 42 includes an outer ring 421, an inner ring 422, a pillar 423, and a positioning groove 424. The inner ring 422 and the outer ring 421 are fixedly connected by the pillar 423. The inner ring 422 is connected to the shrink tube 2, and the outer ring 421 is connected to the protective cover 1. The shrink tube 2 is provided with a positioning column 23, which cooperates with the positioning groove 424 for positioning.

[0019] Furthermore, an outer ring 421 of the second support ring 42 is provided with an external thread which is connected to the internal thread of the protective cover 1 .

[0020] Furthermore, a ball valve 911 is provided on the first air pipe 91 .

[0021] Furthermore, a ball valve 931 is provided on the third air pipe 93 .

[0022] Furthermore, the piston includes an outer cylindrical surface 821, an inner cylindrical surface 822, a first sealing groove 823, a first sealing ring 824, a second sealing groove 825, and a second sealing ring 826; the outer cylindrical surface 821 is fitted with the inner cylindrical surface of the protective cover 1, the inner cylindrical surface 822 is fitted with the outer cylindrical surface of the shrink tube 2, the first sealing ring 824 is fixed to the first sealing groove 823, and the second sealing ring 826 is fixed to the second sealing groove 825.

[0023] Compared with the prior art, the beneficial effects of the present invention are: it can achieve online uniform mixing of various components of the cutting fluid based on minimal lubrication; the online mixing nozzle has an anti-overflow airflow protection cover to reduce the diffusion of the mixed components of the cutting fluid into the surrounding air and reduce air pollution; the radius and flow rate of the anti-overflow airflow protection gas can be adjusted according to processing requirements; a high-speed airflow of compressed air is injected at the outlet of the contraction tube to enhance the penetration of the mixed airflow of the cutting fluid and improve the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic structural diagram of the mixing nozzle of the present invention.

[0025] Figure 2 It is a cross-sectional view of the mixing nozzle of the present invention.

[0026] Figure 3 It is an exploded view of the mixing nozzle of the present invention.

[0027] Figure 4 It is a schematic structural diagram of the protective cover 1 of the present invention.

[0028] Figure 5 It is a schematic structural diagram of the shrink tube 2 of the present invention.

[0029] Figure 6 It is a schematic structural diagram of the first support ring 41 of the present invention.

[0030] Figure 7 It is a schematic structural diagram of the second support ring 42 of the present invention.

[0031] Figure 8 Schematic diagram of the structure of the piston 82 of the present invention.

[0032] Fig. 9 It is a schematic diagram of the structure of the trachea of ​​the present invention.

[0033] Fig.10 It is a schematic structural diagram of the conical top spiral device 51 of the present invention.

[0034] Fig.11It is a schematic diagram of the structure of the flat-top spiral device 52 of the present invention.

[0035] Fig.12 It is a schematic diagram of the structure of the mixing tube 3 of the present invention.

[0036] Fig.13 It is a structural schematic diagram of the oil pipe of the present invention.

[0037] In the figure, 1-protection cover, 2-contraction tube, 3-mixing tube, 41-first support ring, 42-second support ring, 51-cone-top spiral, 52-flat-top spiral, 61-first bracket, 62-second bracket, 63-third bracket, 71-one-way valve, 72-one-way valve, 73-one-way valve, 74-telescopic tube, 81-adapter, 82-piston, 91-first air pipe, 92-second air pipe, 93-third air pipe, 94-first oil pipe, 95-second oil pipe, 96-telescopic tube, 97-fourth air pipe. DETAILED DESCRIPTION

[0038] In order to facilitate understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, the embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0039] As attached Figure 1 , Figure 2As shown, a cutting fluid multi-component online mixing nozzle based on minimal lubrication includes: a protective cover 1, a shrink tube 2, a mixing tube 3 arranged at the end of the shrink tube 2, a first support ring 41, a second support ring 42, a cone-top spiral 51, a flat-top spiral 52, a first bracket 61, a second bracket 62, a third bracket 63, a second check valve 71, a third check valve 72, a first check valve 73, a telescopic tube 74, an adapter 81, a piston 82, a first air pipe 91, a second air pipe 92, a third air pipe 93, a first oil pipe 94, a second oil pipe 95, a second telescopic tube 96, and a fourth air pipe 97. The protective cover 1 is connected to the shrink tube 2 through a piston 82; the shrink tube 2 is fixedly connected to the mixing tube 3 through an adapter 81; the protective cover 1 cooperates with the shrink tube 2 through the first support ring 41 and the second support ring 42, and the first air pipe 91, the second air pipe 92, and the third air pipe 93 are fixedly arranged through the first bracket 61; the first oil pipe 94 and the second oil pipe 95 are fixedly arranged on the mixing tube 3 through the second bracket 62 and the third bracket 63, and the fourth air pipe 97 is fixedly arranged through the third bracket 63; the second air pipe 92 is connected to the fourth air pipe 97 through the telescopic pipe 2 96; The protective cover 1 is provided with a hole 13 and a hole 16, and the holes 13 and the holes 16 are both symmetrically distributed. The shrink tube 2 is provided with a hole 24, which are symmetrically distributed. The hole 24 and the hole 16 are connected to each other through a shrink tube 74. The mixing tube 3 is provided with a hole 35 and a hole 4 36, and the holes 35 and the holes 4 36 are both symmetrically distributed. The one-way valve 2 71 is arranged on the shrink tube 2, and the one-way valve 3 72 and the one-way valve 1 73 are arranged on the mixing tube 3. A cone-top spiral 51 is arranged in the shrink tube 2; and a flat-top spiral 52 is arranged in the mixing tube 3.

[0040] like Figure 3-Figure 13As shown, the top of the same side of the protective cover 1 and the shrinkable tube 2 is respectively provided with an outlet 18 and an outlet 28, and the mixing tube is provided with an inlet 31 in the opposite direction. The first support ring 41 includes an outer ring 411, an inner ring 412, a pillar 413, and a positioning groove 414. The inner ring 412 and the outer ring 411 are fixedly connected by the pillar 413. The inner ring 412 is connected with the shrinkable tube 2, and the outer ring 411 is connected with the protective cover 1. The shrinkable tube 2 is provided with a positioning column 26, which is positioned in cooperation with the positioning groove 414. The second support ring 42 includes an outer ring 421, an inner ring 422, a pillar 423, and a positioning groove 424. The inner ring 422 and the outer ring 421 are fixedly connected by the pillar 423. The inner ring 422 is connected with the shrinkable tube 2, and the outer ring 421 is connected with the protective cover 1. The shrinkable tube 2 is provided with a positioning column 23, which is positioned in cooperation with the positioning groove 424. The outer ring 421 of the second support ring 42 is provided with an external thread, which is connected with the internal thread of the protective cover 1. The first air pipe 91 is provided with a ball valve 911. The third air pipe 93 is provided with a ball valve 931. The piston includes an outer cylindrical surface 821, an inner cylindrical surface 822, a first sealing groove 823, a first sealing ring 824, a second sealing groove 825, and a second sealing ring 826; the outer cylindrical surface 821 is fitted with the inner cylindrical surface of the protective cover 1, the inner cylindrical surface 822 is fitted with the outer cylindrical surface of the shrink tube 2, the first sealing ring 824 is fixed to the first sealing groove 823, and the second sealing ring 826 is fixed to the second sealing groove 825.

[0041] Working principle of online mixing: compressed air enters from the inlet 31 of the mixing tube 3, passes through the flat-top screw 52 and the cone-top screw 51, and flows out through the outlet 28 of the shrink tube 2. The cutting fluid component 1 enters from the inlet of the first oil tube 94, flows into the mixing tube 3 through the hole 436 on the mixing tube 3, and mixes with the compressed air in the mixing tube 3; the cutting fluid component 2 enters from the inlet of the second oil tube 95, flows into the mixing tube 3 through the hole 335 on the mixing tube 3, and mixes with the compressed air in the mixing tube 3. The compressed air entering from the inlet 31 of the mixing tube 3 rotates after passing through the flat-top screw 52, ​​and then mixes with the cutting fluid component 1 entering from the inlet of the first oil tube 94 and the cutting fluid component 2 entering from the inlet of the second oil tube 95, enters the shrink tube 2, passes through the cone-top screw 51, and flows out from the outlet 28 of the shrink tube 2.

[0042] After the compressed air passes through the flat-top screw 52 in the mixing tube 3, the first rotation occurs. After the rotating compressed air passes through the conical-top screw 51 of the contraction tube 2, the various components of the cutting fluid are rotated and mixed with the compressed air, so that the various components of the cutting fluid are evenly mixed with the compressed air.

[0043] Working principle of the anti-overflow airflow protective cover: compressed air enters the second air pipe 92 through the air pipe 97 and the telescopic tube 96, and the compressed air in the second air pipe 92 enters the third air pipe 93 through the ball valve 931, and enters the sandwich between the protective cover 1 and the shrink tube 2 through the two outlets 932 and 934 and the hole 13 on the protective cover 1. The protective cover 1 can be moved on the shrink tube 2, and the flow rate and flow of the compressed air outlet in the protective cover 1 can be changed by adjusting the position of the protective cover 1 and the shrink tube 2, so as to protect the diffusion of the micro-lubricating mixed cutting fluid at the outlet of the shrink tube 2. The compressed air in the protective cover 1 can freely pass between the inner ring 422 and the outer ring 421, and can also freely pass between the inner ring 412 and the outer ring 411.

[0044] The working principle of the secondary acceleration of the cutting mixture: the compressed air enters the second air pipe 92 through the fourth air pipe 97 and the second telescopic pipe 96, the compressed air in the second air pipe 92 enters the first air pipe 91 through the ball valve 911, and the compressed air in the first air pipe 91 enters through the hole 16 on the protective cover 1. The hole 16 on the protective cover 1 is connected with the hole 24 on the shrink tube 2 through the telescopic pipe 74, and the hole 24 on the shrink tube 2 is equipped with a check valve 2 71. The compressed air enters the shrink tube 2 after passing through the hole 16, the telescopic pipe 74 and the check valve 2 71, and mixes with the cutting mixture and flows out through the shrink tube outlet 1 28. The hole 24 of the shrink tube 2 is equipped with a check valve 2 71, so that the external compressed air can flow in, and the internal mixed components cannot flow out.

[0045] Working principle of adjusting flow rate and radius of anti-overflow airflow protective gas: the outer ring 421 of the second support ring 42 is provided with an external thread, which is matched and connected with the internal thread of the protective cover 1, and the second support ring 42 is positioned on the positioning column 23 on the shrink tube 2 through the positioning groove 424. When the anti-overflow airflow protective gas cover is not needed, tighten the protective cover 1 and the shrink tube 2; when the anti-overflow airflow protective gas cover is needed, loosen the protective cover 1 and the shrink tube 2. The change of the anti-overflow airflow protective gas flow rate and radius can also be changed by changing the angle between the outlet 18 of the protective cover 1 and the outlet 28 of the shrink tube 2.

[0046] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

Claims

1. A cutting fluid multi-component online mixing nozzle based on minimal lubrication, characterized in that: include: A protective cover (1), a shrinkable tube (2), a mixing tube (3) arranged at the end of the shrinkable tube (2), a first support ring (41), a second support ring (42), a conical-topped spiral (51), a flat-topped spiral (52), a first bracket (61), a second bracket (62), a third bracket (63), a second check valve (71), a third check valve (72), a first check valve (73), a telescopic tube (74), an adapter (81), a piston (82), a first air pipe (91), a second air pipe (92), a third air pipe (93), a first oil pipe (94), a second oil pipe (95), a second telescopic tube (96), and a fourth air pipe (97); The protective cover (1) is connected to the shrink tube (2) via a piston (82); The shrink tube (2) and the mixing tube (3) are fixedly connected via an adapter (81); The protective cover (1) cooperates with the shrink tube (2) through the first support ring (41) and the second support ring (42), and the first air pipe (91), the second air pipe (92), and the third air pipe (93) are fixedly arranged through the first bracket (61); A first oil pipe (94) and a second oil pipe (95) are fixedly arranged on the mixing pipe (3) via a second bracket (62) and a third bracket (63), and a fourth air pipe (97) is fixedly arranged via the third bracket (63); The second air pipe (92) is connected to the fourth air pipe (97) via a second telescopic pipe (96); Compressed air enters from the mixing tube (3), cutting fluid component 1 enters from the inlet of the first oil tube (94), and cutting fluid component 2 enters from the inlet of the second oil tube (95), and is mixed with the compressed air in the mixing tube (3), and then mixed with the cutting fluid component 1 entering from the inlet of the first oil tube (94) and the cutting fluid component 2 entering from the inlet of the second oil tube (95), and enters the shrink tube (2). The compressed air enters the second air pipe (92) through the fourth air pipe (97) and the second telescopic pipe (96), the compressed air in the second air pipe (92) enters the first air pipe (91), and the compressed air in the first air pipe (91) enters through the protective cover (1). The protective cover (1) is provided with a hole (13) and a hole 1 (16), and the hole (13) and the hole 1 (16) are both symmetrically distributed in two numbers; The shrink tube (2) is provided with two symmetrically distributed holes (24), and the second holes (24) are connected to the first hole (16) via a telescopic tube (74); The mixing tube (3) is provided with a third hole (35) and a fourth hole (36), wherein the third hole (35) and the fourth hole (36) are both symmetrically distributed in number; The second one-way valve (71) is arranged on the shrink tube (2), and the third one-way valve (72) and the first one-way valve (73) are arranged on the mixing tube (3); The shrink tube (2) is provided with a cone-top screw (51); The mixing tube (3) is provided with a flat-top screw (52). The protective cover (1) and the shrink tube (2) are provided with an outlet (18) and an outlet 1 (28) at the top ends on the same side, respectively, and the mixing tube is provided with an inlet (31) on the opposite side. The piston (82) comprises an outer cylindrical surface (821), an inner cylindrical surface (822), a first sealing groove (823), a first sealing ring (824), a second sealing groove (825), and a second sealing ring (826); the outer cylindrical surface (821) is in contact with the inner cylindrical surface of the protective cover (1), the inner cylindrical surface (822) is in contact with the outer cylindrical surface of the shrink tube (2), the first sealing ring (824) is fixed to the first sealing groove (823), and the second sealing ring (826) is fixed to the second sealing groove (825).

2. According to claim 1, a cutting fluid multi-component online mixing nozzle based on minimal lubrication, characterized in that: The first support ring (41) comprises an outer ring (411), an inner ring (412), a support column (413), and a positioning groove (414); the inner ring (412) and the outer ring (411) are fixedly connected via the support column (413); the inner ring (412) is connected to the shrink tube (2); the outer ring (411) is connected to the protective cover (1); and a positioning column (26) is provided on the shrink tube (2) to cooperate with the positioning groove (414) for positioning.

3. According to claim 1, a cutting fluid multi-component online mixing nozzle based on minimal lubrication, characterized in that: The second support ring (42) comprises an outer ring (421), an inner ring (422), a support column (423), and a positioning groove (424); the inner ring (422) and the outer ring (421) are fixedly connected via the support column (423); the inner ring (422) is cooperatively connected to the shrink tube (2); the outer ring (421) is cooperatively connected to the protective cover (1); and the shrink tube (2) is provided with a positioning column (23) which cooperates with the positioning groove (424) for positioning.

4. The cutting fluid multi-component online mixing nozzle based on minimal lubrication according to claim 3, characterized in that: The outer ring (421) of the second support ring (42) is provided with an external thread which is connected to the internal thread of the protective cover (1).

5. The cutting fluid multi-component online mixing nozzle based on minimal lubrication according to claim 1, characterized in that: A ball valve (911) is provided on the first air pipe (91).

6. The cutting fluid multi-component online mixing nozzle based on minimal lubrication according to claim 1, characterized in that: The third air pipe (93) is provided with a ball valve (931).

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