CN213164420U

CN213164420U - Cutting fluid online mixing mechanism with prevent diffusion

Info

Publication number: CN213164420U
Application number: CN202021525554.0U
Authority: CN
Inventors: 宋海潮; 何延辉; 栾云广; 吴修娟; 张霖霖; 代祥
Original assignee: Nanjing Institute of Industry Technology
Current assignee: Nanjing Institute of Industry Technology
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-11
Anticipated expiration: 2030-07-29

Abstract

The utility model provides an online mixing mechanism of cutting fluid with prevent diffusion which characterized in that: the machine tool comprises a machine tool workbench, wherein a plurality of T-shaped grooves are formed in the machine tool workbench, a telescopic support is arranged on the T-shaped grooves of the machine tool workbench, first air pipes are arranged on the periphery of the machine tool workbench, the side edges of the machine tool workbench are provided with an oil inlet pipe and a low-temperature compressed air pipe which are connected with the telescopic support, and an acceleration protection spray head is arranged on the top end of the telescopic support. The utility model discloses a mixing mechanism can realize that compressed air and cutting fluid mix on line, according to processing object and machining precision requirement, increases the penetrating power of mixing liquid, improves cooling and lubricated effect, improves processingquality, reduces the mixed liquid diffusion in the air after mixing the atomizing, reduces the air pollution of cutting fluid oil mist to the processing environment.

Description

Cutting fluid online mixing mechanism with prevent diffusion

Technical Field

The utility model relates to a cutting process field particularly, relates to an online mixing mechanism of cutting fluid with prevent diffusion.

Background

The green sustainable production becomes a main concern for machine tool processing development, and the construction of resource-saving and environment-friendly production environment is the development direction of manufacturing industry. The cutting fluid not only affects the processing quality of products, but also directly affects the service life of the cutter. During production, the concentration ratio of the cutting fluid is about 7 percent generally, a plurality of spray heads are adopted to respectively cool a workpiece and a cutter in a pouring mode, splashed cutting fluid is diffused in the whole machine tool, and if the machine tool is not well sealed or chips are blocked, oil mist, oil smoke, oil stains and the like generated by the outflow of the cutting fluid are large in harm to human health and seriously affect the working environment in a production workshop.

In order to reduce the influence of the cast cooling cutting fluid on the working environment, the micro-lubricating cooling technology is well developed and applied in recent years. The micro-lubrication mixes and vaporizes compressed air and a very small amount of vegetable oil to form micron-sized liquid drops, and the micron-sized liquid drops are sprayed to a workpiece and a cutter through a nozzle at a high speed for cooling and lubricating, so that the micro-lubrication type cooling and lubricating device is a green cooling and lubricating mode. The micro-lubrication technology reduces the use amount of cutting fluid, changes the problem of serious leakage of oil stain on the ground of a production workshop, but the problem of oil mist and oil smoke pollution of air generated by the micro-lubrication technology cannot be well solved. An on-line cutting fluid mixing mechanism with anti-diffusion function mainly reduces the diffusion of oil mist, oil smoke and the like generated in trace lubrication in the air and improves the processing environment.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to solve the not enough of prior art, provide an online mixing mechanism of cutting fluid with prevent diffusion.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides an online mixing mechanism of cutting fluid with prevent diffusion which characterized in that: including lathe workstation 2, be equipped with many T type recesses on lathe workstation 2, set up telescopic bracket 6 on lathe workstation 2T type recess, set up in lathe workstation 2 first trachea 3 all around, set up in lathe workstation 2 side and with advance oil pipe 4, low temperature compression trachea 5 that telescopic bracket 6 is connected, and set up in the protection shower nozzle 7 with higher speed on telescopic bracket 6 top.

Further, an air hole 33 is formed in one end of the first air pipe 3, and a ball valve 31 is arranged on the air hole 33.

Further, the oil inlet pipe 4 comprises a first oil pipe 41, a second oil pipe 42 and a first universal pipe 43, wherein the first oil pipe 41 is connected with the second oil pipe 42, and the second oil pipe 42 is connected with the first universal pipe 43.

Further, the low-temperature compressed gas pipe 5 includes a first low-temperature compressed gas pipe 51, a second low-temperature compressed gas pipe 52, and a second universal pipe 53, wherein the first low-temperature compressed gas pipe 51 is connected to the second low-temperature compressed gas pipe 52, and the second low-temperature compressed gas pipe 52 is connected to the second universal pipe 53.

Further, the telescopic bracket 6 comprises a T-shaped groove nut 61, a first supporting pipe 63, a second supporting pipe 64, a third supporting pipe 65, and a first hole 62 and a second hole 66 respectively arranged on the first supporting pipe 63 and the third supporting pipe 65; the first support tube 63, the second support tube 64 and the third support tube 65 are hollow, and form a telescopic tube with adjustable height; the first supporting pipe 63 is provided with an external thread at the matching end with the T-shaped groove nut 61 and is in threaded connection with the T-shaped groove nut 61.

Further, the acceleration protection nozzle 7 includes a mixing pipe 71, a protection pipe 72, a first support ring 73, a check valve 74, a first connection pipe 75, a second support ring 76, a piston 77, a joint 78, a second connection pipe 79; the mixing pipe 71 is arranged inside a protection pipe 72; the first support ring 73 and the second support ring 76 are disposed between the mixing pipe 71 and the protection pipe 72; third holes 714 which are symmetrically distributed are formed in the mixing pipe 71, and one-way valves 74 are arranged on the third holes 714; the protection tube 72 is provided with fourth holes 726 which are symmetrically distributed, and the fourth holes 726 are connected with the third hole 714 through the first connection tube 75; a piston 77 is arranged at the inlet of the protection pipe 72;

furthermore, two ends of the joint 78 are respectively connected with the mixing pipe 71 and the oil inlet pipe 4; the second connection pipe 79 is disposed outside the protection pipe 72 and connected to the low temperature compressed gas pipe 5.

Further, the inner cylindrical surface 722 of the protection tube 72 and the outer ring matching portion of the second support ring 76 are both threaded, the mixing tube 71 is provided with a first positioning column 713 and a second positioning column 716, and the first support ring 73 and the second support ring 76 are positioned on the first positioning column 713 and the second positioning column 716 on the mixing tube 71 through a first positioning slot 734 and a second positioning slot 764.

Compared with the prior art, the beneficial effects of the utility model are that: the compressed air and the cutting fluid are mixed on line; the accelerated protection spray head can increase the penetrating power of the mixed liquid, improve the cooling and lubricating effects and improve the processing quality according to the processing object and the processing precision requirement; the protective nozzle is accelerated to form a protective tube around the mixed liquid to form a first layer of protection, so that the mixed liquid after mixing and atomization is reduced from diffusing in the air; the low-temperature protective gas hood adopts atomized mixed gas in low-temperature gas condensed air, so that air pollution of cutting fluid oil mist to a processing environment is reduced; and the low-temperature protective gas cover forms a closed protective tube to form a second layer of protection, so that the diffusion of mixed liquid after mixing and atomization in the air is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the on-line mixing mechanism of the present invention.

Fig. 2 is an assembly schematic diagram of the on-line mixing mechanism of the present invention.

Fig. 3 is a schematic structural diagram 1 of the accelerated protection sprinkler of the present invention.

Fig. 4 is a sectional view 1 of the medium-speed protective nozzle of the present invention.

Fig. 5 is an explosion diagram of the structure of the accelerated protection sprinkler of the present invention.

Fig. 6 is a schematic structural view of the mixing tube 71 of the present invention.

Fig. 7 is a schematic structural view of the protective tube 72 of the present invention.

Fig. 8 is a schematic structural diagram of the first 73 and second 76 support rings of the present invention.

Fig. 9 is a schematic structural view of the second 79 middle connecting pipe of the present invention.

Fig. 10 is a schematic structural view of the middle piston 77 of the present invention.

In the figure, 2-a machine tool workbench, 3-a first air pipe, 4-an oil inlet pipe, 5-a low-temperature compressed air pipe, 6-a telescopic bracket, 7-an acceleration protection spray head, 31-a ball valve, 32-a second air pipe and 33-an air hole; 41-a first oil pipe, 42-a second oil pipe and 43-a first universal pipe; 51-a first low-temperature compressed air pipe, 52-a second low-temperature compressed air pipe and 53-a second universal pipe; 61-T-shaped groove nut, 62-first hole, 63-first supporting tube, 64-second supporting tube, 65-third supporting tube and 66-second hole; 71-mixing pipe, 72-protection pipe, 73-first support ring, 74-one-way valve, 75-first connecting pipe, 76-second support ring, 77-piston, 78-joint, 79-second connecting pipe, 713-first positioning column, 714-third hole, 716-second positioning column, 718-first outlet, 723-fifth hole, 726-fourth hole, 728-second outlet, 734-first positioning groove, 764-second positioning groove, 791-first inlet, 792-third ball valve, 793-third outlet 794-fourth air pipe, 795-third air pipe, 796 fourth outlet, -797-second ball valve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described in the text. Rather, the embodiments are provided so that this disclosure will be thorough and complete.

As shown in the attached figure 1, the cutting fluid online mixing mechanism with the anti-diffusion function comprises a machine tool workbench 2, wherein a plurality of T-shaped grooves are formed in the machine tool workbench 2, telescopic supports 6 are arranged on the T-shaped grooves of the machine tool workbench 2, first air pipes 3 are arranged on the periphery of the machine tool workbench 2, oil inlet pipes 4 and low-temperature compressed air pipes 5 are arranged on the side edges of the machine tool workbench 2 and connected with the telescopic supports 6, and accelerating protection spray heads 7 are arranged on the top ends of the telescopic supports 6.

As shown in fig. 2, an air hole 33 is formed at one end of the first air tube 3, and a ball valve 31 is disposed on the air hole 33. The first air pipe 3 is used for forming a low-temperature protective air hood around the workbench and preventing atomized compressed air from polluting a working environment. Enters the second air pipe 32 through the ball valve 31, the second air pipe 32 surrounds the periphery of the workbench, the low-temperature compressed air in the second air pipe 32 is sprayed into the air through the air holes 33, and air columns are formed around the workbench to prevent the atomized vegetable oil and the compressed air from flowing out. The diameter of the second air pipe 32 and the air hole 33 is adjustable, and the flow rate thereof can be controlled by the ball valve 31.

The oil inlet pipe 4 comprises a first oil pipe 41, a second oil pipe 42 and a first universal pipe 43, wherein the first oil pipe 41 is connected with the second oil pipe 42, and the second oil pipe 42 is connected with the first universal pipe 43.

The low-temperature compressed gas pipe 5 comprises a first low-temperature compressed gas pipe 51, a second low-temperature compressed gas pipe 52 and a second universal pipe 53, wherein the first low-temperature compressed gas pipe 51 is connected with the second low-temperature compressed gas pipe 52, and the second low-temperature compressed gas pipe 52 is connected with the second universal pipe 53.

The telescopic bracket 6 comprises a T-shaped groove nut 61, a first supporting pipe 63, a second supporting pipe 64, a third supporting pipe 65, a first hole 62 and a second hole 66 which are respectively arranged on the first supporting pipe 63 and the third supporting pipe 65; the first support tube 63, the second support tube 64 and the third support tube 65 are hollow, and form a telescopic tube with adjustable height; the first supporting pipe 63 is provided with an external thread at the matching end with the T-shaped groove nut 61 and is in threaded connection with the T-shaped groove nut 61. The main function of the telescopic bracket 6 is to adjust the position of the acceleration protection spray head 7 on the workbench.

The first oil pipe 41 and the first low-temperature compressed gas pipe 51 both penetrate through the first hole 62 of the first support pipe 63 and penetrate out through the second hole 66 of the third support pipe 65. The second oil pipe 42 is a rigid pipe and is connected with the third support pipe 65 through threads, and the first oil pipe 41 is connected with the second oil pipe 42 in the third support pipe 65; the second low-temperature compressed air pipe 52 is a rigid pipe, and is also connected to the third support pipe 65 by a screw, and the first low-temperature compressed air pipe 51 is connected to the second low-temperature compressed air pipe 52 in the third support pipe 65. The second oil pipe 42 is connected to the first universal pipe 43, and the second low-temperature compressed gas pipe 52 is connected to the second universal pipe 53. The first universal pipe 43 and the second universal pipe 53 can adjust the rotation angle of the acceleration protection nozzle 7.

As shown in fig. 3-10, the acceleration protection nozzle 7 includes a protection tube 72, a mixing tube 71 disposed inside the protection tube 72 and matching with the protection tube, a first support ring 73 and a second support ring 76 disposed between the mixing tube 71 and the protection tube 72, third holes 714 symmetrically distributed on the mixing tube 72, and a one-way valve 74 disposed on the third holes 714 to ensure that the third holes 714 can only enter and exit. The protection tube 72 is provided with fourth holes 726 which are symmetrically distributed, and the fourth holes 726 are connected with the fourth holes 714 through the first connecting tube 75; a piston 77 is arranged at an inlet of the protection tube 72; the two ends of the joint 78 are respectively connected with the mixing pipe 71 and the oil inlet pipe 4; the second connection pipe 79 is disposed outside the protection pipe 72 and connected to the low temperature compressed gas pipe 5.

The mixing tube 71 is sealed against relative movement with the inlet end of the protection tube 72 by a piston 77. The outer circumferential surface 771 of the piston 77 is fitted to the inner circumferential surface 722 of the protection tube 72, and the inner circumferential surface 772 of the piston 77 is fitted to the outer circumferential surface 712 of the mixing tube 71. A sealing ring 774 of the piston 77 is matched with a sealing groove 773 at the inlet of the protection pipe, a sealing ring 776 is matched with a sealing groove 775, and the protection pipe 72 and the mixing pipe 71 realize relative movement through double sealing of the

sealing rings

774 and 776 and simultaneously ensure that compressed air in the middle does not flow out.

The inner cylindrical surface 722 of the protection tube 72 is threaded with the outer ring 761 of the second support ring 76, the mixing tube 71 is provided with a first positioning column 713 and a second positioning column 716, and the first support ring 73 and the second support ring 76 are positioned on the first positioning column 713 and the second positioning column 716 of the mixing tube 71 through the first positioning groove 734 and the second positioning groove 764. When the anti-overflow gas flow shield is not required, the protective tube 72 and the mixing tube 71 are screwed, with the result shown in fig. 7 and 8. When the anti-overflow gas flow shield is required, the protective tube 72 and the mixing tube 71 are unscrewed.

The change in the spill proof flow shield gas flow rate and radius may also be changed by changing the angle of the second outlet 728 of the protection tube 72 and the first outlet 718 of the mixing tube 71. The first support ring 73 operates in the same manner as the second support ring 76.

When in use, the mixed components enter from the second universal pipe 42 of the oil inlet pipe 4 and enter the mixing pipe 71 through the joint 78; after entering through the second universal pipe 53, low-temperature compressed air enters the second connecting pipe 79 through the first inlet 791, after the second ball valve 797 is opened, the low-temperature compressed air enters the third air pipe 795, enters the fourth hole 726 of the protection pipe 72 through the fourth outlet 796, the fourth hole 726 is connected with the third hole 714 of the mixing pipe 71 through the first connecting pipe 75, the low-temperature compressed air entering the mixing pipe 71 through the third hole 714 is mixed with cutting mixed liquid and then flows out through the first outlet 718 of the mixing pipe 71 to be sprayed to a workpiece, and cooling and lubricating treatment are carried out on the workpiece.

The low temperature compressed air enters the second connection pipe 79 through the first inlet 791 after entering through the second universal pipe 53, and after the third ball valve 792 on the second connection pipe 79 is opened, the low temperature compressed air enters the fourth air pipe 794 and enters the fifth hole 723 of the protection pipe 72 through the third outlet 793. The low-temperature compressed air introduced through the fifth hole 723 flows in an interlayer between the protection pipe 72 and the mixing pipe 71, and flows out through the second outlet 728 of the protection pipe 72.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

Claims

1. The utility model provides an online mixing mechanism of cutting fluid with prevent diffusion which characterized in that: including lathe workstation (2), be equipped with many T type recesses on lathe workstation (2), set up telescopic bracket (6) on lathe workstation (2) T type recess, set up in lathe workstation (2) first trachea (3) all around, set up in lathe workstation (2) side and with advance oil pipe (4), low temperature compression trachea (5) that telescopic bracket (6) are connected, and set up in protective shower nozzle (7) with higher speed on telescopic bracket (6) top.

2. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 1, wherein: one end of the first air pipe (3) is an air hole (33), and a ball valve (31) is arranged on the air hole (33).

3. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 1, wherein: the oil inlet pipe (4) comprises a first oil pipe (41), a second oil pipe (42) and a first universal pipe (43), the first oil pipe (41) is connected with the second oil pipe (42), and the second oil pipe (42) is connected with the first universal pipe (43).

4. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 1, wherein: the low-temperature compressed air pipe (5) comprises a first low-temperature compressed air pipe (51), a second low-temperature compressed air pipe (52) and a second universal pipe (53), the first low-temperature compressed air pipe (51) is connected with the second low-temperature compressed air pipe (52), and the second low-temperature compressed air pipe (52) is connected with the second universal pipe (53).

5. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 1, wherein: the telescopic support (6) comprises a T-shaped groove nut (61), a first support pipe (63), a second support pipe (64), a third support pipe (65), and a first hole (62) and a second hole (66) which are respectively arranged on the first support pipe (63) and the third support pipe (65); the first supporting tube (63), the second supporting tube (64) and the third supporting tube (65) are hollow, and form a telescopic tube with adjustable height; the first supporting pipe (63) is provided with an external thread at the matching end of the T-shaped groove nut (61) and is in threaded connection with the T-shaped groove nut (61).

6. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 1, wherein: the accelerated protection spray head (7) comprises a mixing pipe (71), a protection pipe (72), a first support ring (73), a one-way valve (74), a first connecting pipe (75), a second support ring (76), a piston (77), a connector (78) and a second connecting pipe (79); the mixing pipe (71) is arranged inside the protection pipe (72); the first support ring (73) and the second support ring (76) are arranged between the mixing pipe (71) and the protection pipe (72); third holes (714) which are symmetrically distributed are formed in the mixing pipe (71), and one-way valves (74) are arranged on the third holes (714); fourth holes (726) are symmetrically distributed on the protection tube (72), and the fourth holes (726) are connected with the third hole (714) through a first connecting tube (75); and a piston (77) is arranged at the inlet of the protection pipe (72).

7. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 6, wherein: two ends of the joint (78) are respectively connected with the mixing pipe (71) and the oil inlet pipe (4); the second connecting pipe (79) is arranged outside the protection pipe (72) and is connected with the low-temperature compressed air pipe (5).

8. The cutting fluid online mixing mechanism with the function of preventing the diffusion of the cutting fluid as claimed in claim 6, wherein: the inner cylindrical surface (722) of the protection pipe (72) and the outer ring matching part of the second support ring (76) are both provided with threads, a first positioning column (713) and a second positioning column (716) are arranged on the mixing pipe (71), and the first support ring (73) and the second support ring (76) are positioned on the first positioning column (713) and the second positioning column (716) on the mixing pipe (71) through a first positioning groove (734) and a second positioning groove (764).