CN213361204U - Shuttle valve for cooling and blowing water from center of machine tool spindle - Google Patents

Abstract

The utility model discloses a shuttle valve that is used for cooling of lathe main shaft center play water to blow, its technical scheme main points are: the valve comprises a valve body, wherein a high-pressure water inlet channel and a compressed air inlet channel are respectively arranged on two side surfaces of the valve body, the axes of the high-pressure water inlet channel and the compressed air inlet channel are positioned on the same horizontal line, a first one-way valve is fixedly arranged in the high-pressure water inlet channel, a second one-way valve is fixedly arranged in the compressed air inlet channel, an outlet channel is arranged on the upper end surface of the valve body, the outlet channel is communicated with the high-pressure water inlet channel and the compressed air inlet channel through a communication channel, and the outlet channel is perpendicular to the high-pressure water inlet channel and the compressed air inlet channel; the utility model discloses can remain the piece and remain the coolant liquid and blow the clearance and interior cold water-out to cold water processing cutter in the main shaft.

Description

Shuttle valve for cooling and blowing water from center of machine tool spindle

Technical Field

The utility model belongs to the technical field of the valve technique and specifically relates to a shuttle valve that is used for lathe main shaft center to go out water cooling to blow.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. According to the function of the valve, it can be divided into a shut-off valve, a check valve, a regulating valve, etc.

The existing shuttle valves for cooling the machine tool spindle can only be cooled by water, and cannot be used for blowing and cleaning residual scraps and residual cooling liquid of some machining tools.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a shuttle valve that is used for machine tool spindle center to go out water cooling to blow to solve present being used for machine tool spindle refrigerated shuttle valve mostly only can carry out the water-cooling, and can't remain the piece and remain the coolant liquid to some processing cutters and blow the problem of clearance.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the shuttle valve comprises a valve body, wherein a high-pressure water inlet channel and a compressed air inlet channel are respectively formed in two side faces of the valve body, the axes of the high-pressure water inlet channel and the compressed air inlet channel are located on the same horizontal line, a first one-way valve is fixedly arranged in the high-pressure water inlet channel, a second one-way valve is fixedly arranged in the compressed air inlet channel, an outlet channel is formed in the upper end face of the valve body, the outlet channel is communicated with the high-pressure water inlet channel and the compressed air inlet channel through a communicating channel, and the outlet channel is perpendicular to the high-pressure water inlet channel and the compressed air inlet channel.

Furthermore, the first one-way valve and the second one-way valve are both made of stainless steel or other metal materials.

Through adopting above-mentioned technical scheme, first check valve and second check valve adopt stainless steel or other metal material, can prevent that inside case, spring from rustting, guarantee its one-way sealed performance.

Furthermore, the inner walls of the high-pressure water inlet channel, the compressed air inlet channel and the outlet channel are provided with internal threads.

Through adopting above-mentioned technical scheme, the rotary joint at lathe main shaft top can be through the hose and the shuttle valve flexible coupling of threaded connection, better reduction rotary joint's atress, reduce pipeline vibrations, extension rotary joint's life-span.

Furthermore, the valve body is made of high-pressure aluminum alloy, and an environment-friendly coating is arranged on the outer surface of the valve body.

By adopting the technical scheme, the valve body made of the high-pressure aluminum alloy is light in weight and good in corrosion resistance, and the environment-friendly coating can further improve the corrosion resistance of the surface of the valve body.

Furthermore, two positioning holes are formed in the front end face of the valve body and distributed on two sides of the outlet channel.

Through adopting above-mentioned technical scheme, the locating hole helps the location when the valve body is installed, helps improving the efficiency of installation valve body.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a through fixed first check valve and the second check valve of being provided with respectively in high-pressure water inlet passageway and compressed air inlet channel, prevent that compressed air or high-pressure cooling water from leaking through the opposite side import, guarantee that the main shaft centre bore leads to high-pressure coolant liquid or compressed air at the same moment, and this device both can carry out the water-cooling to the lathe main shaft, also can the epaxial processing cutter piece of lathe main shaft and remain the coolant liquid clearance of blowing, the reinforcing is to the protection of main shaft and cutter, and then effectively improves the life of cutter.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an outlet channel according to an embodiment of the present invention;

fig. 3 is the embodiment of the present invention provides a schematic structural diagram of a high-pressure water inlet channel.

In the figure: 1. a valve body; 2. a high pressure water inlet channel; 3. a compressed air inlet passage; 4. a first check valve; 5. a second one-way valve; 6. an outlet channel; 7. a communication channel; 8. and (7) positioning the holes.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a shuttle valve for cooling and blowing water from the center of a machine tool spindle comprises a valve body 1, wherein the valve body 1 is used for protecting internal elements of the valve body 1 and connecting an external pipeline; two side surfaces of the valve body 1 are respectively provided with a high-pressure water inlet channel 2 and a compressed air inlet channel 3, the high-pressure water inlet channel 2 and the compressed air inlet channel 3 are not communicated, the high-pressure water inlet channel 2 is connected with an external water inlet pipeline, the compressed air inlet channel 3 is connected with an external air inlet pipeline, the axes of the high-pressure water inlet channel 2 and the compressed air inlet channel 3 are positioned on the same horizontal line, a first one-way valve 4 is fixedly arranged in the high-pressure water inlet channel 2, a second one-way valve 5 is fixedly arranged in the compressed air inlet channel 3, the first one-way valve 4 can prevent high-pressure gas from flowing out of the high-pressure water inlet channel 2, and the second one-way valve 5 can prevent cooling liquid from flowing; an outlet channel 6 is formed in the upper end face of the valve body 1, the outlet channel 6 is communicated with the high-pressure water inlet channel 2 and the compressed air inlet channel 3 through a communication channel 7, and the outlet channel 6 is perpendicular to the high-pressure water inlet channel 2 and the compressed air inlet channel 3; the device can be used for carrying out water cooling on the machine tool main shaft, and also can be used for carrying out air blowing cleaning on residual fragments and residual cooling liquid of a machining tool on the machine tool main shaft, so that the protection on the main shaft and the tool is enhanced, and the service life of the tool is effectively prolonged.

Referring to fig. 1, first check valve 4 and second check valve 5 all adopt stainless steel or other difficult rusty metal material to make, can prevent that inside case, spring from rustting, guarantee its one-way sealed performance, and this embodiment adopts stainless steel.

Referring to fig. 1, 2 and 3, the inner walls of the high-pressure water inlet channel 2, the compressed air inlet channel 3 and the outlet channel 6 are provided with internal threads, and the rotary joint at the top of the machine tool spindle can be flexibly connected with the shuttle valve through a hose with a threaded joint, so that the stress of the rotary joint is reduced, the pipeline vibration is reduced, and the service life of the rotary joint is prolonged.

Referring to fig. 1, the valve body 1 is made of high-pressure aluminum alloy, so that the mass of the valve body 1 can be reduced; the surface of the valve body 1 is provided with an environment-friendly coating, so that the corrosion resistance of the surface of the valve body 1 can be further improved, and the environment-friendly zinc coating is adopted in the embodiment.

Referring to fig. 1, two positioning holes 8 are formed in the front end surface of the valve body 1, and the two positioning holes 8 are distributed on two sides of the outlet channel 6, so that the positioning of the valve body 1 during installation is facilitated, and the efficiency of installing the valve body 1 is improved.

The working principle is as follows: when the utility model works, when the cooling liquid enters the shuttle valve from the high-pressure water inlet channel 2, the cooling liquid opens the first one-way valve 4 arranged in the end of the high-pressure water inlet channel 2 through a certain pressure, the cooling liquid flows out from the outlet channel 6, and meanwhile, the cooling liquid can not flow out from the compressed air inlet channel 3 due to the blockage of the second one-way valve 5 arranged in the end of the compressed air inlet channel 3; when compressed air enters the shuttle valve from the compressed air inlet channel 3, the compressed air opens the second one-way valve 5 arranged in the end of the compressed air inlet channel 3 through certain pressure, the compressed air is blown out from the outlet channel 6, and meanwhile, the compressed air cannot blow out gas from the high-pressure water inlet channel 2 due to the blockage of the first one-way valve 4 arranged in the end of the high-pressure water inlet channel 2; when a workpiece is drilled and milled by the machine tool, high-pressure cooling liquid is sprayed out through the high-pressure water inlet channel 2 to protect the cutter, during cutter changing, the center of the main shaft is blown through the compressed air inlet channel 3 to keep the taper hole of the main shaft clean, compressed air is blown in from the front end inside the main shaft to prevent dust from entering the main shaft group, and meanwhile, iron scrap dust outside the cutter handle can be blown off when the compressed air is blown out, so that the cleanness inside the main shaft of the machine tool is ensured, the protection of the main shaft and the cutter is enhanced, and the service life of the cutter is effectively prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a shuttle valve that is used for lathe main shaft center to go out water cooling to blow, includes valve body (1), its characterized in that: high pressure water inlet passageway (2) and compressed air inlet passageway (3) have been seted up respectively to the both sides face of valve body (1), high pressure water inlet passageway (2) with the axis of compressed air inlet passageway (3) is located same water flat line, high pressure water inlet passageway (2) internal fixation is provided with first check valve (4), compressed air inlet passageway (3) internal fixation is provided with second check valve (5), exit channel (6) have been seted up to the up end of valve body (1), exit channel (6) through intercommunication passageway (7) with high pressure water inlet passageway (2) with compressed air inlet passageway (3) all switch-on, exit channel (6) with high pressure water inlet passageway (2) with compressed air inlet passageway (3) are perpendicular.

2. The shuttle valve for machine tool spindle center water-out cooling blowoff of claim 1, wherein: the first one-way valve (4) and the second one-way valve (5) are both made of stainless steel or other metal materials.

3. The shuttle valve for machine tool spindle center water-out cooling blowoff of claim 1, wherein: the inner walls of the high-pressure water inlet channel (2), the compressed air inlet channel (3) and the outlet channel (6) are all provided with internal threads.

4. The shuttle valve for machine tool spindle center water-out cooling blowoff of claim 1, wherein: the valve body (1) is made of high-pressure aluminum alloy, and an environment-friendly coating is arranged on the outer surface of the valve body (1).

5. The shuttle valve for machine tool spindle center water-out cooling blowoff of claim 1, wherein: two positioning holes (8) are formed in the front end face of the valve body (1), and the two positioning holes (8) are distributed on two sides of the outlet channel (6).

Images