Oil-water nozzle structure of ultralow-temperature trace environment-friendly cooling system

Abstract

The utility model relates to the technical field of machine tool machining, in particular to an oil-water nozzle structure of an ultralow-temperature trace environment-friendly cooling system. Comprising a liquid outlet pipe head, a universal pipe set, a universal joint, a locking bolt and a nozzle assembly, the liquid outlet pipe head is provided with connecting threads, the universal pipe set is rotationally connected with the liquid outlet pipe head, the universal joint is rotationally connected with the universal pipe set, the locking bolt is fixedly connected with the universal joint, the nozzle assembly is in threaded connection with the locking bolt, the universal pipe set is composed of a plurality of universal pipe joints, and the universal pipe joints are connected with the universal pipe set. The multiple universal pipe joints are rotationally connected, so that the spraying direction of oil-water mixed liquid can be flexibly adjusted according to the operation requirement of a user, the using flexibility of the structure is improved, the oil-water mixed liquid can be stably and evenly atomized, and the spraying using effect is optimal.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe processing technical field especially relates to an oil water nozzle structure of ultralow temperature trace environmental protection cooling system. BACKGROUND

[0002] Low temperature trace cooling system is a typical quasi-dry cutting method, compressed gas is cooled to 0~-30C° through single stage or multistage, mixes vaporization with trace lubricating medium, forms micron, nanometer level atomized particles, sprays to processing area to carry out lubrication, cooling, and is mainly used in lubrication, cooling in gear hobbing, lathe turning external circle, hole, end face processing, lubrication, cooling in metal cutting, numerical control machining center milling surface, grooving, taking hole, boring processing and general type processing equipment cutting.

[0003] In metal cutting, the workpiece of metal cutting is sprayed with oil water mixture to achieve lubrication and cooling effect, so that the part is quickly cooled during processing and forms a lubricating oil film, in the prior art, the oil water nozzle usually uses a plastic oil spray pipe, which is fixed on the outside of the tool to realize oil water spraying in cutting operation.

[0004] However, in the prior art, the oil water nozzle cannot be adjusted at will, so it cannot be adjusted according to the user's needs. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an oil water nozzle structure of ultralow temperature trace environmental protection cooling system, which solves the technical problem that the oil water nozzle in the prior art cannot be adjusted at will, so it cannot be adjusted according to the user's needs.

[0006] To achieve the above purpose, the utility model adopts an oil water nozzle structure of ultralow temperature trace environmental protection cooling system, which comprises a liquid outlet pipe head, a universal pipe group, a universal joint, a locking bolt and a nozzle assembly, the liquid outlet pipe head is provided with a connecting thread, the universal pipe group is rotatably connected with the liquid outlet pipe head and located below the liquid outlet pipe head, the universal joint is rotatably connected with the universal pipe group and located below the universal pipe group, the locking bolt is fixedly connected with the universal joint and located below the universal joint, and the lower end of the locking bolt is provided with a thread, and the nozzle assembly is threadedly connected with the locking bolt and located below the locking bolt.

[0007] The universal pipe group is composed of a plurality of universal pipe joints, and the plurality of universal pipe joints are rotatably connected and located below the liquid outlet pipe head.

[0008] The nozzle assembly comprises a sealing ring and an oil-water nozzle, the sealing ring is detachably connected with the locking bolt and located outside the locking bolt, and the oil-water nozzle is threadedly connected with the locking bolt and located below the sealing ring.

[0009] The oil-water nozzle has a cavity, and the oil-water nozzle further has a necking portion, the necking portion forms an inclined surface alpha with the cavity, and the inclined surface alpha is 45-120 degrees.

[0010] The nozzle assembly further comprises a nozzle core and a sleeve, the nozzle core abuts against the front end of the locking bolt and is located in the necking portion, the sleeve is fixedly connected with the nozzle core and located in the nozzle core, and the sleeve penetrates through the nozzle core, the sleeve is a hollow structure and can internally contain a capillary tube for conveying lubricating or cooling liquid.

[0011] The capillary tube penetrates through the sleeve, and the outlet end of the capillary tube is flush with the outlet end of the sleeve or located between the outlet ends of the nozzles.

[0012] The nozzle core is in the shape of a quadrangular or multi-angular petal, the quadrangular petal has a plurality of included angles and forms a first included angle beta, the first included angle beta has a radius of 0.1 mm or above, the nozzle core positions the sleeve at the center of the nozzle, and the sleeve positions the outlet of the capillary tube at the center of the nozzle, so that the liquid in the capillary tube is more uniformly atomized.

[0013] The oil-water nozzle structure of the ultra-low temperature micro environmental protection cooling system is used in the specific use, the liquid outlet pipe head is connected with the nozzle seat through the arranged connecting thread, the nozzle assembly is locked with the locking bolt, the orientation of the universal joint can be flexibly adjusted by the plurality of universal pipe joints, the inside of the machine equipment or the corner which is difficult to reach can be reached, the working position of the nozzle assembly is adjusted through the universal joint, the universal pipe joint is freely rotated, the spraying range is significantly increased, the oil-water mixed liquid can cover a wider area, and the problems of the oil-water spraying pipe in the prior art, such as inconvenient adjustment of the random working position and uneven oil-water atomization, are solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can only be some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Figure 1It is the structure schematic view of the oil-water nozzle structure of the ultralow-temperature trace environmental protection cooling system.

[0016] Figure 2 It is the structure sectional view of the oil-water nozzle structure of the ultralow-temperature trace environmental protection cooling system.

[0017] Figure 3 It is the oil-water nozzle of the ultralow-temperature trace environmental protection cooling system. Figure 2 It is the enlarged view of the partial structure of A place.

[0018] Figure 4 It is the structure sectional view of the oil-water nozzle.

[0019] Figure 5 It is the structure schematic view of the nozzle core.

[0020] Figure 6 It is the structure sectional view of the nozzle core.

[0021] 1-liquid outlet pipe head, 2-universal pipe group, 201-universal pipe joint, 3-universal joint, 4-locking bolt, 5-sealing ring, 6-oil-water nozzle, 7-nozzle core, 8-pipe sleeve, 9-cavity, 10-tightening part, 11-capillary tube. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] Please refer to Figures 1 to 6 The utility model provides a kind of oil-water nozzle structure of ultralow-temperature trace environmental protection cooling system, including liquid outlet pipe 1, universal pipe group 2, universal joint 3, locking bolt 4 and nozzle assembly, the universal pipe group 2 is made of multiple universal pipe joints 201, the nozzle assembly includes sealing ring 5, oil-water nozzle 6, nozzle core 7 and pipe sleeve 8, the liquid outlet pipe 1 is provided with connecting thread, the universal pipe group 2 is rotatably connected with the liquid outlet pipe 1, and is located below the liquid outlet pipe 1, the universal joint 3 is rotatably connected with the universal pipe group 2, and is located below the universal pipe group 2, the locking bolt 4 is fixedly connected with the universal joint 3, and is located below the universal joint 3, and the lower end of the locking bolt 4 has thread, the nozzle assembly is threadedly connected with the locking bolt 4, and is located below the locking bolt 4, multiple universal pipe joints 201 are rotatably connected, and are located below the liquid outlet pipe 1.

[0024] In the embodiment, the liquid outlet pipe 1 is connected with the nozzle seat through the connecting thread, the nozzle assembly is locked with the locking bolt 4, the orientation of the universal joint 3 is adjusted flexibly by the universal pipe joint 201, the working position of the nozzle assembly is adjusted through the universal joint 3, the rotation of the universal pipe joint 201 significantly increases the spraying range, and the oil-water mixture can cover a wider area, thereby solving the problem that the oil-water spraying pipe cannot be adjusted at will in the prior art.

[0025] Further, the nozzle assembly comprises a sealing ring 5 and an oil-water nozzle 6, the sealing ring 5 is detachably connected with the locking bolt 4 and located outside the locking bolt 4, and the oil-water nozzle 6 is threadedly connected with the locking bolt 4 and located below the sealing ring 5.

[0026] In the embodiment, the oil-water nozzle 6 is threadedly connected with the locking bolt 4, and the sealing effect of the connection is improved by arranging the sealing ring 5 at the contact position, thereby effectively avoiding the risk of leakage of the oil-water liquid from the connection and improving the stability of the equipment in use.

[0027] Further, the oil-water nozzle 6 has a cavity 9, and the oil-water nozzle 6 also has a constricting portion 10, the constricting portion 10 forms an inclined surface α with the cavity 9, and the inclined surface α is 45°-120°.

[0028] In the embodiment, the cavity 9 is used for conveying the oil-water mixture spraying pipe, and the constricting portion 10 effectively limits the oil-water mixture spraying pipe through the inclined surface α.

[0029] Further, the nozzle assembly also comprises a nozzle core 7 and a pipe sleeve 8, the nozzle core 7 abuts against the front end of the locking bolt 4 and is located in the constricting portion 10, the pipe sleeve 8 is fixedly connected with the nozzle core 7 and located in the nozzle core 7, the pipe sleeve 8 penetrates through the nozzle core 7, the pipe sleeve 8 is a hollow structure, and a capillary tube can be arranged in the pipe sleeve 8 for conveying lubricating or cooling liquid.

[0030] In the embodiment, the nozzle core 7 is made of wear-resistant and corrosion-resistant material to ensure that the oil-water nozzle 6 maintains stable performance in long-term use, the nozzle core 7 is arranged in the constricting portion 10, the nozzle core 7 fixes the pipe sleeve 8 to prevent movement or leakage during use, the oil-water mixture spraying pipe penetrates through the pipe sleeve 8 and is output from the oil-water nozzle 6, the pipe sleeve 8 completely fixes the oil-water mixture spraying pipe, and the design of the pipe sleeve 8 also helps to reduce the erosion and wear of the oil-water nozzle 6 by the fluid, thereby prolonging the service life of the oil-water nozzle 6.

[0031] Further, the capillary tube 11 penetrates through the sleeve 8, and the outlet end of the capillary tube 11 is flush with the outlet end of the sleeve 8 or is between the outlet ends of the nozzles.

[0032] In the embodiment, the capillary tube 11 is arranged at the center of the sleeve 8, so that the liquid in the capillary tube 11 is atomized more uniformly.

[0033] Further, the nozzle core 7 is in the shape of a quadrangular or polygonal petal, the quadrangular petal has a plurality of included angles, and a first included angle β with a radius of 0.1 mm or more is formed, the nozzle core 7 positions the sleeve 8 at the center of the nozzle, and the sleeve 8 positions the outlet of the capillary tube 11 at the center of the nozzle, so that the liquid in the capillary tube 11 is atomized more uniformly.

[0034] In the embodiment, the petal-shaped arrangement of the nozzle core 7 can control the flow rate of the fluid through the nozzle, the design of the outer circle of the nozzle core 7 can affect the flow direction of the fluid, and the nozzle core 7 can ensure that the fluid is sprayed out at a predetermined angle and speed, effectively improve the fixing effect of the sleeve 8, and the first chamfer β can make the fixing effect of the sleeve 8 better, thereby effectively avoiding the phenomenon that the nozzle core 7 falls off or loosens.

[0035] The liquid outlet pipe 1 is connected with the nozzle seat through the connecting threads, the oil-water nozzle 6 is threadedly connected with the locking bolt 4, the sealing ring 5 is arranged at the contact position, the nozzle core 7 fixes the sleeve 8, the oil-water mixed liquid spraying pipe penetrates through the sleeve 8 and is arranged in the oil-water nozzle 6, the user can flexibly adjust the orientation of the universal joint 3 through the plurality of universal pipe joints 201, then the spraying position of the oil-water nozzle 6 is adjusted through the universal joint 3, the trace amount of cooling and lubricating medium conveyed from the tank through the oil-water mixed pipe group is converged at the opening of the oil-water nozzle 6, the compressed air after cooling is matched with the capillary tube 11, and the oil-water mixed liquid is sprayed into micron-level atomized particles through strong spraying, so that the oil-water mixed liquid can be uniformly sprayed on the surface of the machining part, the part can be quickly cooled and a lubricating oil film can be formed during machining, the spraying direction and position of the oil-water mixed liquid can be flexibly adjusted according to the operation requirements of the user, the flexibility of the structure is improved, the oil-water mixed liquid can be uniformly atomized stably, and the spraying effect is best.

[0036] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. An oil-water nozzle structure of an ultra-low temperature micro-environmental protection cooling system, characterized in that comprising a liquid outlet pipe head, a universal pipe group, a universal joint, a locking bolt and a nozzle assembly, the liquid outlet pipe head is provided with a connecting thread, the universal pipe group is rotationally connected with the liquid outlet pipe head and located below the liquid outlet pipe head, the universal joint is rotationally connected with the universal pipe group and located below the universal pipe group, the locking bolt is fixedly connected with the universal joint and located below the universal joint, and the lower end of the locking bolt is provided with a thread, and the nozzle assembly is threadedly connected with the locking bolt and located below the locking bolt. The universal pipe group is composed of a plurality of universal pipe segments which are rotationally connected and located below the liquid outlet pipe head.

2. The oil-water nozzle structure of the ultra-low temperature micro-environmental protection cooling system according to claim 1, characterized in that the nozzle assembly comprises a sealing ring and an oil-water nozzle, the sealing ring is detachably connected with the locking bolt and located outside the locking bolt, and the oil-water nozzle is threadedly connected with the locking bolt and located below the sealing ring.

3. The oil-water nozzle structure of the ultra-low temperature micro-environmental protection cooling system according to claim 2, characterized in that the oil-water nozzle has a cavity, and further has a constricting portion which forms an inclined surface a with the cavity, and the inclined surface a is 45°-120°.

4. The oil-water nozzle structure of the ultra-low temperature micro-environmental protection cooling system according to claim 3, characterized in that the nozzle assembly further comprises a nozzle core and a sleeve, the nozzle core abuts against the front end of the locking bolt and is located in the constricting portion, the sleeve is fixedly connected with the nozzle core and located in the nozzle core, and the sleeve penetrates through the nozzle core, the sleeve is a hollow structure and can be internally provided with a capillary tube for conveying lubricating or cooling liquid.

5. The oil-water nozzle structure of the ultra-low temperature micro-environmental protection cooling system according to claim 4, characterized in that the capillary tube penetrates through the sleeve, and the outlet end of the capillary tube is flush with the outlet end of the sleeve or located between the outlet ends of the nozzle.

6. The oil-water nozzle structure of the ultra-low temperature micro-environmental protection cooling system according to claim 5, characterized in that the nozzle core is in a quadrangular or polygonal petal shape, the quadrangular petal shape has a plurality of included angles and forms a first included angle β, the first included angle β has a radius of 0.1 mm or more, the nozzle core positions the sleeve at the center of the nozzle, and the sleeve positions the outlet of the capillary tube at the center of the nozzle, so that the liquid in the capillary tube is more uniformly atomized. ​ ​ ​ ​ ​ ​

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