CN115555595B

CN115555595B - Main shaft with multistage formula air curtain

Info

Publication number: CN115555595B
Application number: CN202211556871.2A
Authority: CN
Inventors: 蔡丽娟; 夏康俊; 陈银洋; 曾燚; 李高鑫
Original assignee: Okada Precision Machinery Changzhou Co ltd
Current assignee: Okada Precision Machinery Changzhou Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-02-28
Anticipated expiration: 2042-12-06
Also published as: CN115555595A

Abstract

The invention belongs to the technical field of processing machine tools, in particular to a main shaft with a multi-section type air curtain, which comprises: the air curtain device comprises a main shaft assembly, an air curtain assembly and an adjusting assembly; the spindle assembly comprises an axle box, a bearing arranged in the axle box, a shaft body fixed in the bearing and a shaft end cover arranged on the axle box side and used for fixing the shaft body; the air curtain component is arranged on the shaft end cover and comprises an air inlet channel arranged in the shaft end cover. Through the air curtain subassembly, can produce under conventional state around the outer air curtain of axle, when bulky crushed aggregates, last pressurization in to the air chamber, and the circulation of air curtain passageway one is certain, and too much pressure can promote piston plate compression spring this moment, makes the activity keep off the ring and outwards move, utilizes epitaxial activity to keep off the ring and protects the junction of axle body and axle head cover, prevents that bulky crushed aggregates from being close to, avoids in the little piece of mixing and the cutting fluid entering main shaft in the bulky crushed aggregates.

Description

Main shaft with multistage formula air curtain

Technical Field

The invention relates to the technical field of processing machines, in particular to a main shaft with a multi-section type air curtain.

Background

The machine tool is a machine for manufacturing machines, plays an important role in national economy and modernization construction, mainly uses a lathe tool for turning a rotating workpiece, can also use a drill bit, a reamer, a screw tap, a die, a knurling tool and the like for corresponding processing on the lathe tool, is mainly used for processing shafts, discs, sleeves and other workpieces with rotating surfaces, and is the most widely used processing equipment in machinery manufacturing and repairing factories.

The main shaft is the axle that is used for giving the processing head power among the machine tool, the main shaft drives the processing head under the certain speed rotation and processes the work piece, in order to prevent to have cutting fluid and piece entering main shaft in the course of working, generally all adopt the air curtain structure to blow away cutting fluid and piece, and current air curtain structure generally only blocks cutting fluid and piece through producing the air blanket, to some great pieces of volume, air curtain wind-force hardly influences its orbit, this will lead to bulky crushed aggregates to block the wind blanket, and then have some to follow in little piece and the cutting fluid mixture that bulky crushed aggregates fell pass the stopping of air curtain gets into the main shaft, influence the operation of main shaft.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

a spindle with multi-stage air curtain, comprising: the air curtain device comprises a main shaft assembly, an air curtain assembly and an adjusting assembly; the spindle assembly comprises an axle box, a bearing arranged in the axle box, a shaft body fixed in the bearing and a shaft end cover arranged on the side of the axle box and used for fixing the shaft body; the air curtain component is arranged on the shaft end cover and comprises an air inlet channel arranged in the shaft end cover, an air chamber communicated with the air inlet channel and arranged in the shaft end cover, a fixed cover arranged on the shaft end cover and positioned in the air chamber, a spring fixed on the inner side of the fixed cover, a piston plate connected to the end part of the spring, a movable baffle ring fixed in the piston plate, an air curtain channel I arranged in the middle of the movable baffle ring, a connecting ring fixed at the bottom of the outer side end of the movable baffle ring and an air curtain channel II arranged on the connecting ring and communicated with the air curtain channel I; the adjusting component is arranged on the axle box and used for adjusting air curtain airflow.

The present invention in a preferred example may be further configured to: adjusting part including install in storage box on the axle box, connect in the air pump of storage box bottom, connect atomizer on the air pump, connect in atomizer and link up inlet channel's inlet port, set up in the axle box just be located the intake channel side accomodate the groove, install in cylinder in the axle box, be fixed in the cylinder drive end just is located accomodate the inslot mounting panel, install in heating wire controller on the mounting panel with set up in mounting panel bottom and electric connection the heating wire group of heating wire controller.

The present invention in a preferred example may be further configured to: the inner side of the connecting ring is further provided with a protection assembly, and the protection assembly comprises a first magnetic block fixed on the connecting ring, a second magnetic block adsorbed on one side of the magnetic block, mounting rings fixed on two sides of the magnetic block, a net ring arranged at the bottom of the mounting rings and a pull opening arranged on the side of the mounting rings.

The present invention in a preferred example may be further configured to: the movable baffle ring is provided with an arc groove-shaped structure.

The present invention in a preferred example may be further configured to: and a sealing gasket attached to the inner wall of the air chamber is arranged on the outer side of the piston plate.

The present invention in a preferred example may be further configured to: and the air inlet end of the first air curtain channel is of a bell mouth-shaped structure.

The invention in a preferred example may be further configured to: the connecting ring is of a conical structure.

The present invention in a preferred example may be further configured to: the inner side of the connecting ring is provided with a fixing ring, and the fixing ring is connected with another group of springs.

The technical scheme of the invention has the following beneficial technical effects:

1. according to the invention, the air curtain surrounding the shaft body can be generated under a conventional state through the air curtain component, when large-volume crushed aggregates exist, the air chamber is continuously pressurized, the flow rate of the first air curtain channel is constant, at the moment, excessive pressure can push the piston plate to compress the spring, so that the movable baffle ring moves outwards, the connecting part of the shaft body and the shaft end cover is protected by the extending movable baffle ring, the large-volume crushed aggregates are prevented from approaching, and small fragments and cutting fluid mixed in the large-volume crushed aggregates are prevented from entering the main shaft.

2. According to the invention, through the adjusting assembly, the electric heating wire controller can control the electric heating wire group to generate heat to improve the temperature of the air curtain, so that the shaft body is dried, and in addition, the air pump is utilized to inject the atomized additive into the air inlet channel, so that the air curtain has a matched effect, such as disinfection and the like, and the practicability of the air curtain assembly is greatly improved.

3. According to the invention, through the protection assembly, the annular protection structure can be arranged at the bottom of the connecting ring to further isolate the position between the shaft body and the shaft end cover, so that the entering of debris is further prevented, and meanwhile, the net ring is convenient to take down and replace after being worn, and is reasonable.

Drawings

FIG. 1 is a partial cross-sectional view of a spindle according to one embodiment of the present invention;

FIG. 2 is an enlarged partial view of the spindle of one embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of the spindle according to one embodiment of the present invention;

FIG. 4 is an enlarged view of a portion B of the spindle according to one embodiment of the present invention.

Reference numerals:

100. a spindle assembly; 110. an axle box; 120. a bearing; 130. a shaft body; 140. a shaft end cover;

200. an air curtain assembly; 210. an intake passage; 220. a gas chamber; 230. a fixed cover; 240. a spring; 250. a piston plate; 251. a gasket; 260. a movable baffle ring; 261. a diversion trench; 270. a first air curtain channel; 280. a connecting ring; 281. a fixing ring; 290. a second air curtain channel;

300. an adjustment assembly; 310. a storage box; 320. an air pump; 330. an atomizing spray head; 340. an air inlet; 350. a storage groove; 360. a cylinder; 370. mounting a plate; 380. a heating wire controller; 390. a heating wire group;

400. a guard assembly; 410. a first magnetic block; 420. a second magnetic block; 430. a mounting ring; 440. a net ring; 450. and (4) opening the mouth.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

Some embodiments of the present invention provide a spindle with a multi-sectional air curtain, which is described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 4, the present invention provides a spindle with a multi-sectional air curtain, including: a spindle assembly 100, an air curtain assembly 200, and an adjustment assembly 300;

the spindle assembly 100 includes an axle housing 110, a bearing 120 disposed in the axle housing 110, a shaft body 130 fixed in the bearing 120, and a shaft cover 140 attached to the axle housing 110 for fixing the shaft body 130.

The air curtain assembly 200 is disposed on the shaft cover 140, the air curtain assembly 200 includes an air inlet passage 210 opened in the shaft cover 140, an air chamber 220 connected to the air inlet passage 210 and opened in the shaft cover 140, a fixed cover 230 installed on the shaft cover 140 and located in the air chamber 220, a spring 240 fixed inside the fixed cover 230, a piston plate 250 connected to an end of the spring 240, a movable baffle ring 260 fixed inside the piston plate 250, a first air curtain passage 270 opened in a middle of the movable baffle ring 260, a connection ring 280 fixed at a bottom of an outer end of the movable baffle ring 260, and a second air curtain passage 290 opened in the connection ring 280 and penetrating the first air curtain passage 270, the air curtain assembly 200 can generate an air curtain surrounding the shaft body 130 under a normal state, when a large volume of the air curtain exists, the air curtain assembly is continuously pressurized into the air chamber 220, a flow rate of the first air curtain passage is constant, and an excessive pressure pushes the piston plate 250 to compress the spring 240, so that the movable baffle ring 260 moves outward, the movable baffle ring 260 is connected with the end of the crushed aggregates and the small volume of the protective fluid is substantially prevented from entering the end cover 140 and the debris.

Specifically, a guide groove 261 is formed in the movable baffle ring 260, the guide groove 261 is of an arc groove-shaped structure, and cutting fluid and debris can flow downwards along the guide groove 261 after falling on the extended movable baffle ring 260 through the guide groove 261, so that the cutting fluid is prevented from splashing around, and a local drainage guiding effect is achieved.

Further, the outer side of the piston plate 250 is provided with a sealing gasket 251 attached to the inner wall of the air chamber 220, so that the air tightness of the air chamber 220 is improved, the movable baffle ring 260 can be pushed to move outwards after pressurization in the air chamber 220, and in addition, the air inlet end of the first air curtain channel 270 is of a horn-mouth-shaped structure, so that the opening of the air inlet end can be improved.

Wherein, the adjusting component 300 set up in on the axle box 110 for the regulation of air curtain air current, adjusting component 300 including install in storage box 310 on the axle box 110, connect in the air pump 320 of storage box 310 bottom, connect in atomizer 330 on the air pump 320, connect in atomizer 330 just link up intake port 340 of inlet channel 210, set up in the axle box 110 and be located the groove 350 is accomodate to inlet channel 210 side, install in cylinder 360 in the axle box 110, be fixed in the cylinder 360 drive end just is located mounting panel 370 in accomodating the groove 350, install in heating wire controller 380 on mounting panel 370 and set up in mounting panel 370 bottom and electric connection heating wire group 390 of heating wire controller 380 can be so that heating wire controller 380 control heating wire group 390 generates heat and improves the air curtain temperature through adjusting component 300, realizes the drying of axis body 130, utilizes air pump 320 to inject atomizing additive in to inlet channel 210 in addition, can make the air curtain have the effect of looks adaptation, for example disinfection etc. improves the practicality of air curtain subassembly 200 greatly.

Example two:

with reference to fig. 2 and 4, on the basis of the first embodiment, a protective assembly 400 is further disposed on the inner side of the connection ring 280, and the protective assembly 400 includes a first magnetic block 410 fixed on the connection ring 280, a second magnetic block 420 attracted to the first magnetic block 410, a mounting ring 430 fixed on the second magnetic block 420, a mesh ring 440 disposed at the bottom of the mounting ring 430, and a pull opening 450 opened on the mounting ring 430.

Specifically, the ring-shaped shielding structure may be disposed at the bottom of the connection ring 280 by the shielding assembly 400 to further isolate the position between the shaft body 130 and the shaft end cap 140, thereby further preventing the entry of debris, and the mesh ring 440 may be easily removed and replaced after being worn.

Further, the mesh ring 440 is filled with a cotton material.

Example three:

in the above embodiment, as shown in fig. 2, the connection ring 280 has a conical structure, through which the cutting fluid and debris can be guided to move outwards under the influence of inclination, and a fixing ring 281 is disposed on the inner side of the connection ring 280, and another set of springs 240 is connected to the fixing ring 281, so as to cooperate with the fixing cover 230 to perform a sealing function, thereby facilitating the assembly, disassembly and maintenance.

The working principle and the using process of the invention are as follows: firstly, compressed gas enters the air chamber 220 along the air inlet channel 210 through the air inlet holes 340, an air curtain is generated under normal pressure and is ejected through the air curtain channel 270, small-volume scraps are blocked, when large-volume scraps are generated, the air pressure in the air chamber 220 is increased by adjusting the feeding amount of the compressed gas, the movable baffle ring 260 compresses the spring 240, the movable baffle ring 260 gradually moves to the outer side of the fixed cover 230, the air flow ejected through the air curtain channel 270 is also large, the falling large-volume scraps are blocked through the movable baffle ring 260, the large-volume scraps are prevented from being close to the connection part between the shaft body 130 and the shaft end cover 140, and the air chamber 220 is adjusted to normal pressure after the large-volume scraps are discharged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A main shaft with a multi-section air curtain is characterized by comprising: a main shaft assembly (100), an air curtain assembly (200) and an adjusting assembly (300),

the spindle assembly (100) comprises an axle box (110), a bearing (120) arranged in the axle box (110), a shaft body (130) fixed in the bearing (120), and a shaft end cover (140) which is arranged at the side of the axle box (110) and is used for fixing the shaft body (130);

the air curtain assembly (200) is arranged on the shaft end cover (140), and the air curtain assembly (200) comprises an air inlet channel (210) arranged in the shaft end cover (140), an air chamber (220) connected with the air inlet channel (210) and arranged in the shaft end cover (140), a fixed cover (230) arranged in the shaft end cover (140) and positioned in the air chamber (220), a spring (240) fixed on the inner side of the fixed cover (230), a piston plate (250) connected with the end part of the spring (240), a movable baffle ring (260) fixed in the piston plate (250), a first air curtain channel (270) arranged in the middle of the movable baffle ring (260), a connecting ring (280) fixed at the bottom of the outer end of the movable baffle ring (260), and a second air curtain channel (290) arranged on the connecting ring (280) and communicated with the first air curtain channel (270);

the adjusting assembly (300) is arranged on the axle box (110) and is used for adjusting air curtain airflow;

adjusting part (300) including install in storage box (310) on axle box (110), connect in air pump (320) of storage box (310) bottom, connect in atomizer (330) on air pump (320), connect in atomizer (330) and link up inlet port (340) of inlet channel (210), set up in axle box (110) and be located the groove (350) are accomodate to inlet channel (210) side, install in cylinder (360) in axle box (110), be fixed in cylinder (360) drive end just is located mounting panel (370) in accomodating groove (350), install in heating wire controller (380) on mounting panel (370) and set up in mounting panel (370) bottom and electric connection heating wire group (390) of heating wire controller (380).

2. The spindle with the multi-sectional air curtain as claimed in claim 1, wherein a protective assembly (400) is further disposed on an inner side of the connecting ring (280), the protective assembly (400) includes a first magnetic block (410) fixed on the connecting ring (280), a second magnetic block (420) attached to a side of the first magnetic block (410), a mounting ring (430) fixed to a side of the second magnetic block (420), a mesh ring (440) disposed at a bottom of the mounting ring (430), and a pull opening (450) opened at a side of the mounting ring (430).

3. The spindle with the multi-sectional air curtain as claimed in claim 1, wherein the movable baffle ring (260) has a guiding groove (261), and the guiding groove (261) is an arc groove-shaped structure.

4. The spindle with multi-sectional air curtain of claim 1, wherein the piston plate (250) is provided at an outer side thereof with a sealing pad (251) attached to an inner wall of the air chamber (220).

5. The multi-sectional air curtain spindle of claim 1, wherein an air inlet end of the first air curtain passage (270) is of a bell mouth-shaped structure.

6. The multi-sectional air curtain main shaft as claimed in claim 1, wherein the connection ring (280) is of a tapered structure.

7. The multi-sectional air curtain spindle as claimed in claim 1, wherein a fixing ring (281) is provided on an inner side of the connecting ring (280), and another set of the springs (240) is connected to the fixing ring (281).