Air curtain dustproof device for machine tool spindle

By installing an air curtain ring body and cooling components on the machine tool spindle, an air curtain is formed to prevent dust and provide cooling, solving the problem of inconvenient cooling in existing devices and improving machining quality and spindle life.

CN223749167UActive Publication Date: 2026-01-02SHENYANG SHENTONG CNC MACHINE TOOL CO LTD
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Patent Information

Application Number
CN202520104121.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-02
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing machine tool spindle air curtain dust prevention devices are not conducive to cooling and temperature reduction, which affects machining quality and service life.

Method used

A machine tool spindle air curtain dust prevention device was designed, which includes an air curtain annular body, a collection box, a cooling component, and a cleaning device. The air curtain annular body forms an air curtain to prevent dust, and the cooling component and cleaning device are used to cool down the machine tool spindle.

Benefits of technology

It effectively prevents dust from entering the spindle area, while cooling components cool the spindle, improving machining quality and extending spindle life.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223749167U_ABST
    Figure CN223749167U_ABST
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Abstract

The utility model relates to the technical field of machine tool dust prevention, in particular to an air curtain dust prevention device for a machine tool spindle, and aims to overcome the defect that the machining quality and the service life of the machine tool spindle are affected due to the fact that the machine tool spindle is inconvenient to cool in the prior art. A plurality of airflow holes are formed in the air curtain annular body; the collecting box is fixedly installed on one side of the air curtain annular body, a feeding opening is fixedly formed in the top of the collecting box, a collecting cover is fixedly installed on one side of the collecting box, a collecting opening is formed in the top of the collecting cover, and the same collecting pipe is fixedly installed on the feeding opening and the collecting opening; a first through hole is formed in the other side of the collecting box; according to the cooling device for the machine tool spindle, the machine tool spindle can be cooled conveniently, so that the machining quality can be improved, and the service life of the machine tool spindle can be prolonged.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of machine tool dust prevention, and in particular to a machine tool spindle air curtain dust prevention device. BACKGROUND

[0002] The machine tool spindle air curtain dust prevention device is a device that uses air curtain technology to protect the machine tool spindle from dust and other pollutants.

[0003] The patent document with the publication number CN111590381B discloses an air curtain generating device of a numerical control machine tool and the numerical control machine tool, and belongs to the technical field of environmental protection manufacturing and dust and fog reduction. The air curtain generating device comprises a nozzle sleeved at the end of the machine tool spindle, the nozzle comprising: an annular body, which is hollow and has a cavity for storing or temporarily storing gas, and the bottom end of the annular body is provided with a gas outlet slot; a fixing mechanism arranged at the top of the annular body and connected to the end of the machine tool spindle; and a gas inlet connected to the cavity of the annular body and connected to the output pipeline of the high-pressure gas source to input high-pressure gas into the cavity. The fixing mechanism is matched with the machine tool spindle, the gas outlet slot blows out from the bottom end of the annular body to form a hollow air curtain barrier, and the respirable dust easily carried away by air and the water mist or oil mist generated by cutting coolant during the machining process are physically settled.

[0004] However, the machine tool spindle air curtain dust prevention device is not convenient for cooling the machine tool spindle, thereby affecting the machining quality and the service life of the machine tool spindle. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortcomings that the prior art is inconvenient for cooling the machine tool spindle, thereby affecting the machining quality and the service life of the machine tool spindle, and provides a machine tool spindle air curtain dust prevention device.

[0006] The machine tool spindle air curtain dust prevention device provided by the application adopts the following technical scheme:

[0007] A machine tool spindle air curtain dust prevention device comprises:

[0008] An air curtain annular body is provided with a plurality of air flow holes;

[0009] A collecting box is fixedly installed on one side of the air curtain annular body, a feeding port is fixedly installed on the top of the collecting box, a collecting cover is fixedly installed on one side of the collecting box, a collecting port is formed in the top of the collecting cover, the same collecting pipe is fixedly installed on the feeding port and the collecting port, and a first through hole is formed in the other side of the collecting box;

[0010] A first rotating shaft is rotatably installed in the first through hole, and a plurality of fan blades are fixedly installed on the first rotating shaft;

[0011] A cooling assembly is fixedly installed on the other side of the collecting box.

[0012] Further, an installation box is fixedly installed on the other side of the collecting box, and a driving motor is fixedly installed on the inner wall of the installation box, and an output shaft of the driving motor is fixedly connected with the first rotating shaft.

[0013] Further, a filter plate is fixedly installed on the inner wall of the collecting box, and a protection plate is fixedly installed on the bottom inner wall of the collecting box, a sliding groove is formed on one side of the protection plate, a reciprocating screw rod is rotatably installed in the sliding groove, a moving block is threadedly connected with the reciprocating screw rod, the moving block is slidably installed in the sliding groove, a moving plate is fixedly installed on the moving block, and a cleaning brush is fixedly installed on the moving plate.

[0014] Further, two fixed plates are fixedly installed on the top of the collecting box, a second rotating shaft is rotatably installed on one of the two fixed plates close to the driving motor, a worm is fixedly installed on one end of the second rotating shaft, the worm is rotatably installed on the other of the two fixed plates away from the driving motor, a worm wheel is engaged with the worm, and the worm wheel is fixedly installed on the reciprocating screw rod.

[0015] Further, the cooling assembly comprises a cooling box, and the cooling box is fixedly installed on the other side of the collecting box, a conveying pipe is fixedly installed on the top of the cooling box, a main inlet is fixedly installed on one side of the cooling box, a second through hole is formed on the bottom of the cooling box, a rotating shaft is rotatably installed in the second through hole, a plurality of stirring rollers are fixedly installed on the rotating shaft, and a supporting plate is fixedly installed on the bottom of the cooling box.

[0016] Further, a transmission shaft is rotatably installed on the supporting plate, a first bevel gear is fixedly installed on one end of the transmission shaft, the first bevel gear is engaged with a second bevel gear, and the second bevel gear is fixedly installed on the rotating shaft.

[0017] Further, a first sprocket is fixedly installed on the first rotating shaft, the first sprocket is engaged with a first chain, the first chain is engaged with a second sprocket, and the second sprocket is fixedly installed on the worm.

[0018] Further, a third sprocket is fixedly installed on the worm, the third sprocket is engaged with a second chain, the second chain is engaged with a fourth sprocket, and the fourth sprocket is fixedly installed on the transmission shaft.

[0019] To sum up, the present application has at least one of the following beneficial technical effects:

[0020] 1. The reciprocating movement of the moving block is driven by the reciprocating screw rod, the moving plate is driven by the moving block, and the cleaning brush is driven by the moving plate, which facilitates the cleaning of the filter plate and avoids the blockage of the filter plate.

[0021] 2. The plurality of stirring rollers are driven to rotate by the rotating shaft, which facilitates the stirring and mixing of the cooling liquid in the cooling box. At this time, the cooling liquid is delivered to the machine tool spindle through the delivery pipe, which facilitates the cooling and temperature reduction of the machine tool spindle. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a front view structural schematic diagram of a machine tool spindle air curtain dustproof device in the embodiment one of the application;

[0023] Figure 2 is a sectional view structural schematic diagram of a machine tool spindle air curtain dustproof device in the embodiment one of the application;

[0024] Figure 3 is a rear view structural schematic diagram of a machine tool spindle air curtain dustproof device in the embodiment one of the application;

[0025] Figure 4 is a bevel gear transmission structural schematic diagram of a machine tool spindle air curtain dustproof device in the embodiment one of the application.

[0026] Reference signs: 1, air curtain annular body; 2, collection box; 3, collection cover; 4, collection pipe; 5, first rotating shaft; 6, mounting box; 7, driving motor; 8, filter plate; 9, protective plate; 10, reciprocating screw rod; 11, moving plate; 12, fixed plate; 13, second rotating shaft; 14, worm; 15, worm gear; 16, cooling box; 17, delivery pipe; 18, support plate; 19, rotating shaft; 20, transmission shaft; 21, first bevel gear; 22, second bevel gear; 23, first sprocket; 24, first chain; 25, second sprocket; 26, third sprocket; 27, second chain; 28, fourth sprocket. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0028] Embodiment one

[0029] Reference Figures 1-4 A machine tool spindle air curtain dustproof device, comprising:

[0030] The air curtain annular body 1 is provided with a plurality of air flow holes.

[0031] The collecting box 2 is fixedly installed on one side of the air curtain annular body 1, the top of the collecting box 2 is fixedly installed with a feeding port, a collecting cover 3 is fixedly installed on one side of the collecting box 2, the top of the collecting cover 3 is provided with a collecting port, the feeding port and the collecting port are fixedly installed with the same collecting pipe 4, and the other side of the collecting box 2 is provided with a first through hole;

[0032] The first rotating shaft 5 is rotatably installed in the first through hole, and a plurality of fan leaves are fixedly installed on the first rotating shaft 5;

[0033] The cooling assembly is fixedly installed on the other side of the collecting box 2.

[0034] Specifically, the mounting box 6 is fixedly installed on the other side of the collecting box 2, and the driving motor 7 is fixedly installed on the inner wall of the mounting box 6. The output shaft of the driving motor 7 is fixedly connected with the first rotating shaft 5.

[0035] Specifically, the filter plate 8 is fixedly installed on the inner wall of the collecting box 2, and the protection plate 9 is fixedly installed on the bottom inner wall of the collecting box 2. A sliding groove is formed in one side of the protection plate 9, and the reciprocating screw rod 10 is rotatably installed in the sliding groove. The moving block is threadedly connected with the reciprocating screw rod 10 and is slidably installed in the sliding groove. The moving plate 11 is fixedly installed on the moving block, and the cleaning brush is fixedly installed on the moving plate 11.

[0036] Specifically, two fixed plates 12 are fixedly installed on the top of the collecting box 2, and the second rotating shaft 13 is rotatably installed on one of the two fixed plates 12 close to the driving motor 7. The worm 14 is fixedly installed on one end of the second rotating shaft 13, and the worm 14 is rotatably installed on the other of the two fixed plates 12 away from the driving motor 7. The worm 14 is engaged with the worm wheel 15, and the worm wheel 15 is fixedly installed on the reciprocating screw rod 10.

[0037] Specifically, the cooling assembly comprises a cooling box 16, and the cooling box 16 is fixedly installed on the other side of the collecting box 2. The conveying pipe 17 is fixedly installed on the top of the cooling box 16, and the main inlet is fixedly installed on one side of the cooling box 16. The second through hole is formed in the bottom of the cooling box 16, and the rotating shaft 19 is rotatably installed in the second through hole. A plurality of stirring rollers are fixedly installed on the rotating shaft 19, and the support plate 18 is fixedly installed on the bottom of the cooling box 16.

[0038] Specifically, the transmission shaft 20 is rotatably installed on the support plate 18, and the first bevel gear 21 is fixedly installed on one end of the transmission shaft 20. The second bevel gear 22 is engaged with the first bevel gear 21, and the second bevel gear 22 is fixedly installed on the rotating shaft 19.

[0039] Specifically, the first rotating shaft 5 is fixedly installed with a first sprocket 23, the first sprocket 23 engages a first chain 24, the first chain 24 engages a second sprocket 25, and the second sprocket 25 is fixedly installed on the worm 14.

[0040] Specifically, the worm 14 is fixedly installed with a third sprocket 26, the third sprocket 26 engages a second chain 27, the second chain 27 engages a fourth sprocket 28, and the fourth sprocket 28 is fixedly installed on the transmission shaft 20.

[0041] The implementation principle of the machine tool spindle air curtain dustproof device of the embodiment of the application is as follows: in use, the air curtain annular body 1 is installed on the machine tool spindle, when the gas passes through the plurality of air flow holes, the air curtain is formed through the gap between the labyrinth disc and the labyrinth seat, the air curtain can block dust and other pollutants from entering the working area of the machine tool spindle, thereby protecting the spindle from damage, the cooling liquid is poured into the cooling box 16 through the main inlet, at this time the driving motor 7 is started, the driving motor 7 drives the first rotating shaft 5 to rotate, the first rotating shaft 5 drives the plurality of fan blades to rotate, the dust is sucked into the collection box 2 through the collection cover 3 and the collection pipe 4, the dust is separated from the plurality of fan blades by the filter plate 8, so as to avoid the dust from affecting the working of the plurality of fan blades, at the same time, the first rotating shaft 5 drives the first sprocket 23 to rotate, the first sprocket 23 drives the second sprocket 25 to rotate through the first chain 24, the second sprocket 25 drives the worm 14 to rotate, the worm 14 drives the worm wheel 15 to rotate, the worm wheel 15 drives the reciprocating screw rod 10 to rotate, so as to reduce the rotating speed of the reciprocating screw rod 10, at the same time, the reciprocating screw rod 10 drives the moving block to reciprocate, the moving block drives the moving plate 11 to reciprocate, the moving plate 11 drives the cleaning brush to reciprocate, so as to clean the filter plate 8, avoid the filter plate 8 from being blocked, at the same time, the worm 14 drives the third sprocket 26 to rotate, the third sprocket 26 drives the fourth sprocket 28 to rotate through the second chain 27, the fourth sprocket 28 drives the transmission shaft 20 to rotate, the transmission shaft 20 drives the first bevel gear 21 to rotate, the first bevel gear 21 drives the second bevel gear 22 to rotate, the second bevel gear 22 drives the rotating shaft 19 to rotate, the rotating shaft 19 drives the plurality of stirring rollers to rotate, so as to stir and mix the cooling liquid in the cooling box 16, at this time, the cooling liquid is delivered to the machine tool spindle through the delivery pipe 17, so as to cool and cool the machine tool spindle.

[0042] Embodiment two

[0043] The difference between the embodiment and the embodiment one is that the storage box is installed at the bottom of the collection box 2, so as to store the cleaned dust in the storage box, the storage box is convenient to disassemble and assemble, and the dust is convenient to process.

[0044] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A machine tool spindle air curtain dust guard device, characterized by: The utility model relates to a kind of air curtain ring body (1), multiple air flow holes are opened in air curtain ring body (1);Collecting box (2) is fixedly installed in the side of air curtain ring body (1), and the top of collecting box (2) is fixedly installed with feed inlet, the side of collecting box (2) is fixedly installed with collecting cover (3), and the top of collecting cover (3) is opened with collecting port, the same collecting pipe (4) is fixedly installed in the feed inlet and collecting port, and the other side of collecting box (2) is opened with first through-hole;First rotating shaft (5) is rotatably installed in the first through-hole, and multiple leaves are fixedly installed on first rotating shaft (5);Cooling assembly is fixedly installed in the other side of collecting box (2). The other side of collecting box (2) is fixedly installed with mounting box (6), and drive motor (7) is fixedly installed on the inner wall of mounting box (6), and the output shaft of drive motor (7) is fixedly connected with first rotating shaft (5). The inner wall of collecting box (2) is fixedly installed with filter plate (8), and the bottom inner wall of collecting box (2) is fixedly installed with guard plate (9), the side of guard plate (9) is opened with sliding slot, and reciprocating screw rod (10) is rotatably installed in the sliding slot, the moving block is threadedly connected on reciprocating screw rod (10), and the moving block is slidably installed in the sliding slot, the moving plate (11) is fixedly installed on the moving block, and the cleaning brush is fixedly installed on the moving plate (11). The top of collecting box (2) is fixedly installed with two fixed plates (12), and the one of two fixed plates (12) close to drive motor (7) is rotatably installed with second rotating shaft (13), the one end of second rotating shaft (13) is fixedly installed with worm (14), and worm (14) is rotatably installed on the other one of two fixed plates (12) away from drive motor (7), the worm (14) is engaged with worm wheel (15), and worm wheel (15) is fixedly installed on reciprocating screw rod (10). The cooling assembly includes cooling box (16), and cooling box (16) is fixedly installed on the other side of collecting box (2), the top of cooling box (16) is fixedly installed with conveying pipe (17), and the side of cooling box (16) is fixedly installed with main inlet, the bottom of cooling box (16) is opened with second through-hole, and rotating shaft (19) is rotatably installed in the second through-hole, multiple stirring rollers are fixedly installed on rotating shaft (19), and support plate (18) is fixedly installed on the bottom of cooling box (16).

2. The air curtain dust guard for machine tool spindle as claimed in claim 1, wherein: The one end of transmission shaft (20) is fixedly installed with first bevel gear (21), the first bevel gear (21) is engaged with second bevel gear (22), and second bevel gear (22) is fixedly installed on rotating shaft (19).

3. The air curtain dust guard for machine tool spindle as claimed in claim 2, wherein: ​ 4. The air curtain dust guard for machine tool spindle as claimed in claim 3, wherein: ​ 5. A machine tool spindle air curtain dust guard according to claim 4, characterised in that: ​ 6. A machine tool spindle air curtain dust guard according to claim 5, characterised in that: ​ 7. A machine tool spindle air curtain dust guard according to claim 6, characterised in that: The first rotation axis (5) is fixedly installed with a first sprocket (23), and the first sprocket (23) is engaged with a first chain (24), the first chain (24) is engaged with a second sprocket (25), and the second sprocket (25) is fixedly installed on the worm (14).

8. A machine tool spindle air curtain dust guard according to claim 7, characterised in that: The worm (14) is fixedly installed with a third sprocket (26), and the third sprocket (26) is engaged with a second chain (27), the second chain (27) is engaged with a fourth sprocket (28), and the fourth sprocket (28) is fixedly installed on the transmission shaft (20).

Citation Information

Patent Citations

  • An air curtain generating device for a CNC machine tool and the CNC machine tool

    CN111590381B