CN213671865U

CN213671865U - Cutter cooled by air

Info

Publication number: CN213671865U
Application number: CN202022498759.0U
Authority: CN
Inventors: 江文杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-13
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an utilize interior cold cutter of air. This utilize cutter of interior cold-blast tool of air includes the cutter arbor, first through-hole has been seted up to the cutter arbor, the cutter arbor bottom is provided with the tool bit, the tool bit seted up with the communicating blind hole of first through-hole, the inlet port of connecting high pressurized air source is seted up to the blind hole lateral wall, be provided with vortex generator in the blind hole, vortex generator's profile and blind hole inner wall leave the clearance, vortex generator sets up the second through-hole with first through-hole intercommunication, the venthole with second through-hole intercommunication is seted up to the blind hole bottom, the cold air pipe has been inserted in the venthole, the directional rigid coupling of. The utility model provides an utilize cooling liquid cooling cutter, not only improved the processing cost to easy splash causes environmental pollution's problem man-hour.

Description

Cutter cooled by air

Technical Field

The utility model relates to a tray especially relates to an utilize interior cold cutter of air.

Background

In metal cutting, a large amount of cutting heat is generated due to cutting and friction between a tool and a workpiece and plastic deformation of the workpiece, the temperature of the workpiece and the temperature of the tool are rapidly increased due to the cutting heat, the tool is in an extremely severe working environment, and the cutting edge of the tool is easy to deform or quickly wear, so that the cutting effect and the service life of the tool are influenced. Meanwhile, in the groove machining process, the cutting chips are not easy to break and remove, and the surface quality of the machined surface is directly influenced.

The traditional method for spraying cooling liquid is to arrange a cooling liquid spray pipe on a lathe, and the spray pipe is opposite to a cutter and a workpiece in a cutting area, and the cooling liquid is sprayed during the cutting process. However, the cooling liquid not only increases the processing cost, but also is easy to splash during processing to cause environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reduction in production cost, to the interior cold cutter of utilizing air of operational environment zero pollution.

In order to achieve the above object, the utility model discloses an utilize the technical scheme that the cold cutter of interior cold-water of air adopted is:

the utility model provides an utilize cold cutter in air, including the cutter arbor, first through-hole has been seted up to the cutter arbor, the cutter arbor bottom is provided with the tool bit, the tool bit seted up with the communicating blind hole of first through-hole, the inlet port of connecting high pressurized air source is seted up to the blind hole lateral wall, be provided with vortex generator in the blind hole, vortex generator's profile and blind hole inner wall leave the clearance, vortex generator sets up the second through-hole with first through-hole intercommunication, the venthole with second through-hole intercommunication is seted up to the blind hole bottom, the cold air pipe has been inserted in the venthole, the directional rigid coupling of cold air. High-pressure air gets into the blind hole by the inlet port, under vortex generator's effect, forms the cyclone in first through-hole, and the centrifugal force of cyclone makes cold, hot gas flow layering, and the hot gas flow that constantly forms is discharged through first through-hole top, and the cold air flow that constantly forms flows through the second through-hole by cold-blast pipe direction blade, plays the effect of cooling blade, has reduced manufacturing cost for the coolant liquid to can not cause environmental pollution.

Preferably, vortex generator includes the vortex generator main part, and vortex generator main part top circumference distributes and has a plurality of dysmorphism arch, sets up the whirl wind channel by contracting gradually within outer between the dysmorphism arch, and vortex generator main part bottom is provided with the body that leads to with the second through-hole, and the body outer wall is provided with the external screw thread of being connected with the tool bit, and the body inner wall is the bellmouth of enlarging gradually from top to bottom. The bell mouth increases the air output of cold air, improves cooling efficiency.

Preferably, a first sealing ring is arranged between the bottom of the vortex generator body and the bottom of the blind hole. The first sealing ring ensures that high-pressure gas does not leak after entering the blind hole, and the high-pressure gas can smoothly pass through the vortex generator to generate vortex.

Preferably, the cutter head is provided with an air inlet threaded hole communicated with the air inlet hole, the air inlet threaded hole is in threaded connection with an air inlet pipe joint, and the tail end of the air inlet hole is provided with a plug. The air inlet threaded hole changes the air inlet direction, and the air inlet pipe joint is prevented from influencing a blade machining workpiece.

Preferably, a throttling silencer is arranged at the top end of the cutter rod. The throttling silencer eliminates the noise generated when the hot air is discharged, and optimizes the working environment.

Preferably, a second sealing ring is arranged between the cold air pipe and the air outlet. The second sealing washer guarantees that cold air passes through the cold-blast pipe completely and discharges, ensures cold air's utilization ratio.

Compared with the prior art, the utility model, have following advantage:

high-pressure air continuously enters the blind hole from the air inlet hole, the first sealing ring ensures that the high-pressure air does not leak air after entering the blind hole, under the action of the vortex generator, cyclone is formed in the first through hole, the cyclone centrifugal force enables cold air and hot air to be layered, the continuously formed hot air flows through the top of the first through hole and is discharged, the throttling silencer eliminates noise generated when the hot air is discharged, the working environment is optimized, the continuously formed cold air flows into the second through hole, the second sealing ring ensures that the cold air flows are completely discharged through the cold air pipe and guides the blade to cool the blade, the production cost is reduced relative to cooling liquid, and environmental pollution cannot be caused.

Drawings

FIG. 1 is an exploded view of a tool utilizing internal cooling of air;

FIG. 2 is a side view of a tool utilizing internal cooling by air;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a schematic structural diagram of the vortex generator.

The vortex generator comprises a cutter bar 1, a first through hole 11, a throttling silencer 12, a cutter head 2, a blind hole 21, an air inlet 22, a plug 23, a threaded air inlet 24, an air inlet pipe joint 25, a threaded blind hole 26, an air outlet 27, a cold air pipe 28, a blade 29, a vortex generator 3, a vortex generator main body 31, a second through hole 32, a special-shaped bulge 33, a vortex air duct 34, a pipe body 35, an external thread 36, a bell mouth 37, a first sealing ring 4 and a second sealing ring 5.

Detailed Description

The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.

As shown in fig. 1 to 5, a cutter utilizing inner air cooling comprises a cutter bar 1, the cutter bar is provided with a first through hole 11, the top end of the first through hole is provided with a throttling silencer 12, the bottom of the first through hole is welded with a cutter head 2, the cutter head is provided with a blind hole 21 communicated with the first through hole, the side wall of the blind hole is provided with an air inlet hole 22 connected with a high-pressure air source, the tail end of the air inlet hole is provided with a plug 23, an air inlet threaded hole 24 is arranged between the plug and the side wall of the blind hole, the air inlet threaded hole is in threaded connection with an air inlet pipe joint 25 connected with the high-pressure air source, the bottom of the blind hole is coaxially provided with a threaded blind hole 26, the threaded blind hole is in threaded connection with a vortex generator 3, the vortex generator comprises a vortex generator main body 31, a gap is left between the outline of the, a cyclone air duct 34 which gradually shrinks from the outside to the inside is formed between the special-shaped bulges, a tube body 35 communicated with the second through hole is arranged at the bottom of the vortex generator main body, external threads 36 matched with the threaded blind hole are arranged on the outer wall of the tube body, the inner wall of the tube body is a horn-shaped opening 37 which is gradually enlarged from top to bottom, a first sealing ring 4 is arranged between the bottom of the vortex generator main body and the bottom of the blind hole, the first sealing ring ensures that high-pressure air does not leak after entering the blind hole, the high-pressure air can smoothly pass through the vortex generator to generate cyclone, an air outlet 27 communicated with the second through hole is formed in the side wall of the threaded blind hole, a cold air pipe 28 is inserted into the air outlet, and a second sealing ring 5 is arranged between the cold air.

The utility model discloses a concrete working process and principle: high-pressure air enters the air inlet hole through the air inlet pipe joint, and forms a cyclone in the first through hole through a rotational flow air channel at the top of the vortex generator main body, the centrifugal force of the cyclone enables cold air and hot air to be layered, continuously formed hot air flows through the top of the first through hole to be discharged, continuously formed cold air flows through the second through hole and is guided to the blade through the cold air pipe, and the blade is cooled. The utility model discloses utilize the air to replace the coolant liquid to cool off the blade, reduced manufacturing cost to can not cause environmental pollution.

Claims

1. A cutter utilizing internal air cooling is characterized in that: including the cutter arbor, first through-hole has been seted up to the cutter arbor, the cutter arbor bottom is provided with the tool bit, the tool bit seted up with the communicating blind hole of first through-hole, the inlet port of connecting high pressurized air source is seted up to the blind hole lateral wall, be provided with vortex generator in the blind hole, vortex generator's profile and blind hole inner wall leave the clearance, vortex generator sets up the second through-hole with first through-hole intercommunication, the venthole that communicates with the second through-hole is seted up to the blind hole bottom, the cold air pipe has been inserted in the venthole, the directional rigid coupling of cold air.

2. The tool utilizing internal cooling of air as set forth in claim 1, wherein: vortex generator includes the vortex generator main part, and vortex generator main part top circumference distributes has a plurality of dysmorphism arch, sets up by the whirl wind channel that contracts gradually within outer between the dysmorphism arch, and vortex generator main part bottom is provided with the body that leads to with the second through-hole, and the body outer wall is provided with the external screw thread of being connected with the tool bit, and the body inner wall is the bellmouth of enlarging gradually from top to bottom.

3. The tool utilizing internal cooling of air as set forth in claim 2, wherein: a first sealing ring is arranged between the bottom of the vortex generator body and the bottom of the blind hole.

4. The tool utilizing internal cooling of air as set forth in claim 1, wherein: the tool bit is provided with an air inlet threaded hole communicated with the air inlet hole, the air inlet threaded hole is in threaded connection with an air inlet pipe joint, and the tail end of the air inlet hole is provided with a plug.

5. The tool utilizing internal cooling of air as set forth in claim 1, wherein: and a throttling silencer is arranged at the top end of the cutter bar.

6. The tool utilizing internal cooling of air as set forth in claim 1, wherein: and a second sealing ring is arranged between the cold air pipe and the air outlet.