CN220279058U - Numerical control lathe main shaft hole cleaning device - Google Patents
Numerical control lathe main shaft hole cleaning device Download PDFInfo
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- CN220279058U CN220279058U CN202321977748.8U CN202321977748U CN220279058U CN 220279058 U CN220279058 U CN 220279058U CN 202321977748 U CN202321977748 U CN 202321977748U CN 220279058 U CN220279058 U CN 220279058U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 44
- 229910052742 iron Inorganic materials 0.000 abstract description 22
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a device for cleaning an inner hole of a main shaft of a numerical control lathe, which comprises an air joint, a rotary joint and a rotary air tap; the air joint is axially provided with a first air passage, the rotary joint is axially provided with a second air passage, the rotary air tap is provided with an air cavity, the rotary air tap around the air cavity is provided with more than three air holes which are communicated with the outside from the air cavity, the center line of the air hole is not intersected with the center line of the air cavity, and an included angle of 5-60 degrees is formed between the center line of the air hole and the cross section of the rotary air tap; the air connector, the rotary connector and the rotary air tap are sequentially connected together along the axial direction, wherein the rotary air tap can freely rotate relative to the rotary connector, and the first air passage, the second air passage and the air cavity are sequentially communicated. According to the device, high-pressure air enters from the air connector, enters the air cavity after passing through the rotary connector, rotates the air nozzle under the impact of the high-pressure air, and ejects the air from the air hole, so that scrap iron in the inner cavity of the cutting main shaft of the numerical control car can be well cleaned; the structure is small and exquisite, need not motor drive, can realize the rotatory clearance of rotatory air cock.
Description
Technical Field
The utility model relates to a device for cleaning an inner hole of a main shaft of a numerical control lathe, and belongs to the technical field of automatic machining assistance of machine tools.
Background
The numerical control lathe has high machining efficiency and high automation degree, is widely applied to various industries of machinery, and can realize mass production of single parts. In mass production, automatic feeding and discharging are also becoming popular. Under the condition that the manipulator automatically feeds and feeds, the main shaft and the chuck are cleaned by the air gun due to manual inconvenience, so that scrap iron and the like are easy to accumulate. When the scrap iron is relatively small, the machining of the lathe is not generally affected, but once the scrap iron plugs the cavity of the main shaft or the scrap iron jumps into the three-jaw chuck, the machining efficiency of the lathe is affected. Because the scrap iron is inside the main shaft of the machine tool, common tools are not easy to clean and cannot be cleaned. Therefore, the inventor specially designs a simple device capable of cleaning scrap iron in the main shaft, the device is simple in structure, and through practical verification, the scrap iron and the like in the main shaft can be cleaned only by compressed air.
Disclosure of Invention
The utility model provides a device for cleaning an inner hole of a spindle of a numerical control lathe, which can effectively clean scrap iron in the inner hole of the spindle of the numerical control lathe, and solves the problems that the scrap iron in a deep hole is blocked, the scrap iron in a three-jaw chuck is difficult to clean and the like.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the inner hole cleaning device for the numerical control lathe spindle comprises an air joint, a rotary joint and a rotary air tap; the air joint is axially provided with a first air passage, the rotary joint is axially provided with a second air passage, the rotary air tap is provided with an air cavity, the rotary air tap around the air cavity is provided with more than three air holes which are communicated with the outside from the air cavity, the center line of the air hole is not intersected with the center line of the air cavity, and an included angle of 5-60 degrees is formed between the center line of the air hole and the cross section of the rotary air tap; the air connector, the rotary connector and the rotary air tap are sequentially connected together along the axial direction, wherein the rotary air tap can freely rotate relative to the rotary connector, and the first air passage, the second air passage and the air cavity are sequentially communicated.
The central line of the air hole is not intersected with the central line of the air cavity, namely, the central line extension lines of the central line and the air cavity are not intersected, and the central line of the air hole is offset by a distance from the central line of the air cavity. When the air hole discharges air, the air hole receives a reaction force which is deviated along the center line of the inner hole, and the reaction force is decomposed into two component forces of Fx and Fy according to the plane, wherein Fx (which is deviated from the radial direction of the rotary air nozzle) can push the workpiece to rotate; the inner diameter of the air hole is much smaller than that of the air cavity, the small hole throttles to increase the air speed and the momentum according to the Bernoulli principle, the reaction force after the air is discharged is also increased, more than three air discharging holes work simultaneously, and the air nozzle can rotate instantaneously.
Working principle: compressed gas enters the device through the gas connector, is guided into the gas cavity of the rotary gas nozzle through the rotary connector (similar to the bearing effect), and is discharged through more than three gas holes of the rotary gas nozzle. When the air passes through the rotary air tap, the exhaust direction of more than three air holes is subjected to the thrust of one circumference in the circular direction in a repeated way due to the reaction force of the air, so that the rotary air tap rotates to clean scrap iron in the lathe spindle. The device has simple structure, does not need a motor, and can realize rotation only by compressed air. Scrap iron deep inside the main shaft can be cleaned up as well.
In the use process, the air connector and the rotary connector are relatively fixed, and the rotary air tap can freely rotate relative to the air connector and the rotary connector.
The cross section of the rotary air tap, namely the cross section of the rotary air tap, which is vertical and axial.
As a specific implementation mode, the air connector, the rotary connector and the rotary air tap are of cylindrical structures, and the air connector, the rotary connector and the rotary air tap are coaxially arranged.
The first air passage, the second air passage and the air cavity are of cylindrical structures, the first air passage, the second air passage and the air cavity are coaxially arranged, and the inner diameter of the air hole is smaller than 1/5 of the inner diameter of the air cavity.
For convenience in processing, the inner diameters of the first air passage and the second air passage are equal; the inner diameter of the air cavity is larger than the inner diameters of the first air passage and the second air passage.
In order to facilitate processing and ensure cleaning effect, the periphery of the air cavity is provided with three air holes leading to the outside.
One end of the air hole connected with the air cavity is defined as an inlet, one end of the air hole leading to the outside is defined as an outlet, the periphery of the rotary air nozzle is provided with notches which are equal to the air holes in number and correspond to the air holes one by one, and the outlets of the air holes are positioned on the corresponding notches. The arrangement of the notch can improve the impact force of the gas to a certain extent.
Further preferably, an included angle of 20-35 degrees is formed between the center line of the air hole and the cross section of the rotary air nozzle.
The air connector and the rotary connector can be of an integral structure, or can be connected together by a threaded connection or welding mode.
The technology not mentioned in the present utility model refers to the prior art.
According to the cleaning device for the inner hole of the numerical control lathe spindle, high-pressure air enters from the air connector, enters the air cavity after passing through the rotary connector, rotates the air nozzle under the impact of the high-pressure air, and ejects the air from the air hole, so that scrap iron in the inner cavity of the numerical control lathe cutting spindle can be well cleaned; the structure is small and exquisite, and the power supply only relies on the high-pressure air supply commonly used in the mill, need not motor drive, can realize the rotatory clearance of rotatory air cock.
Drawings
FIG. 1 is a schematic structural view of a device for cleaning an inner hole of a main shaft of a numerical control lathe;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of the air hole on the rotary air tap;
FIG. 4 is a schematic top view of a rotary air cap;
FIG. 5 is a force diagram of a rotary air cap during operation;
FIG. 6 is a schematic diagram illustrating the offset between the center line of the air hole on the rotary air tap and the center line of the spindle;
in the figure, 1 is an air joint, 11 is a first air passage, 2 is a rotary joint, 21 is a second air passage, 3 is a rotary air tap, 31 is an air cavity, 32 is an air hole, 33 is a notch, a is the center line of the air hole, and b is the center line of the air cavity.
Detailed Description
For a better understanding of the present utility model, the following examples are further illustrated, but are not limited to the following examples.
The terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are directional or positional relationships based on the drawings or use conditions, merely for convenience of description of the present application, and do not denote or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Example 1
1-6, the cleaning device for the inner hole of the main shaft of the numerical control lathe comprises an air joint, a rotary joint and a rotary air tap; the air connector, the rotary connector and the rotary air tap are all in cylindrical structures; the air joint is axially provided with a first air passage, the rotary joint is axially provided with a second air passage, the rotary air nozzle is provided with an air cavity, the rotary air nozzle on the periphery of the air cavity is provided with three air holes which are communicated with the outside from the air cavity, and the first air passage, the second air passage, the air cavity and the air holes are all in cylindrical structures, as shown in figures 3 and 5 to 6, the central line (axial central line, namely the axis) of the air hole is not intersected with the central line (axial central line, namely the axis) of the air cavity, and an included angle of 5-60 degrees (can be 20 degrees, 30 degrees and the like through practice) is formed between the central line of the air hole and the cross section of the rotary air nozzle; the air connector, the rotary connector and the rotary air tap are sequentially connected together along the axial direction, the air connector, the rotary connector and the rotary air tap are coaxially arranged, wherein the rotary air tap can freely rotate relative to the rotary connector, the first air passage, the second air passage and the air cavity are sequentially communicated, namely, air enters from the first air passage and is sprayed out from an air hole on the air cavity after sequentially passing through the second air passage and the air cavity, and the first air passage, the second air passage and the air cavity are coaxially arranged.
As shown in fig. 5, when the air hole discharges air, the air hole receives a reaction force biased along the center line of the inner hole, and the reaction force is decomposed into two component forces Fx and Fy according to the plane, wherein Fx (offset from the radial direction of the rotary air tap) can push the workpiece to rotate; meanwhile, the inner diameter of the air hole is much smaller than that of the air cavity, according to the Bernoulli principle, the small hole throttles to increase the air speed, the momentum is increased, the reaction force after the air is discharged is also increased, the three air exhaust holes work simultaneously, and the air nozzle can rotate instantaneously.
Working principle: compressed gas enters the device through the gas connector, is guided into the gas cavity of the rotary gas nozzle through the rotary connector (similar to the bearing effect), and is discharged through three gas holes of the rotary gas nozzle. When the air passes through the rotary air tap, the exhaust directions of the three air holes are subjected to the thrust of a circle in the round direction, so that the rotary air tap rotates to clean the scrap iron in the lathe spindle. The device has simple structure, does not need a motor, and can realize rotation only by compressed air. Scrap iron deep inside the main shaft can be cleaned up as well.
Example 2
On the basis of example 1, the following modifications were further made: as shown in fig. 2-3, the air connector and the rotary connector are of an integral structure; the inner diameters of the first air passage and the second air passage are equal, the air cavity is 2 times of the inner diameter of the first air passage, the axial height of the air cavity is 1/5 of the sum of the axial heights of the first air passage and the second air passage, and the inner diameter of the air hole is smaller than 1/5 of the inner diameter of the air cavity. One end of the air hole connected with the air cavity is defined as an inlet, and one end of the air hole leading to the outside is defined as an outlet, as shown in fig. 4, the rotary air nozzle is provided with notches which are equal in number with the air holes and correspond to the air holes one by one along the periphery, and the outlets of the air holes are positioned on the corresponding notches; the center line of the air hole forms an included angle of 30 degrees with the cross section of the rotary air tap.
The device utilizes the manipulator clamping, is equipped with the support (triaxial truss manipulator, six industrial manipulators etc.) of several specifications at rotatory air cock end, and clearance main shaft deep hole is with long support, clearance chuck iron fillings are with short support. The high-pressure gas pipeline is connected to the gas joint, the electromagnetic valve and the throttle valve are arranged on the high-pressure gas pipeline, when the manipulator moves to the corresponding position, the rotary air tap stretches into the lathe chuck, the electromagnetic valve is opened for ventilation, the rotary air tap rotates, the throttle valve is adjusted to control the gas flow in the gas pipe, and then the rotating speed of the rotary air tap is controlled. When more scrap iron is accumulated on a certain part, the gas flow is increased, so that the rotary air tap is close to the accumulated part to rotate rapidly, and the manipulator moves back and forth in a small stroke until the scrap iron is cleaned; when the scrap iron is less accumulated, the rotating speed is reduced, and the manipulator sweeps slowly until the scrap iron is cleaned up. Through practical test operation, the cleaning effect is very obvious, and the problem that scrap iron in the main shaft is difficult to clean is solved.
Claims (8)
1. The utility model provides a numerical control lathe main shaft hole cleaning device which characterized in that: comprises an air joint (1), a rotary joint (2) and a rotary air tap (3); the air connector (1) is axially provided with a first air passage (11), the rotary connector (2) is axially provided with a second air passage (21), the rotary air tap (3) is provided with an air cavity (31), the rotary air tap (3) around the air cavity (31) is provided with more than three air holes (32) leading to the outside from the air cavity (31), the center line of the air holes (32) is not intersected with the center line of the air cavity (31), and an included angle of 5-60 degrees is formed between the center line of the air holes (32) and the cross section of the rotary air tap (3); the air connector (1), the rotary connector (2) and the rotary air tap (3) are sequentially connected together along the axial direction, the rotary air tap (3) can freely rotate relative to the rotary connector (2), and the first air passage (11), the second air passage (21) and the air cavity (31) are sequentially communicated.
2. The numerical control lathe spindle bore cleaning device of claim 1, wherein: the air connector (1), the rotary connector (2) and the rotary air tap (3) are of cylindrical structures, and the air connector (1), the rotary connector (2) and the rotary air tap (3) are coaxially arranged.
3. The numerical control lathe spindle bore cleaning device of claim 2, wherein: the first air passage (11), the second air passage (21), the air cavity (31) and the air hole (32) are of cylindrical structures, the first air passage (11), the second air passage (21) and the air cavity (31) are coaxially arranged, and the inner diameter of the air hole (32) is smaller than 1/5 of the inner diameter of the air cavity (31).
4. The numerical control lathe spindle bore cleaning device of claim 2, wherein: the inner diameters of the first air passage (11) and the second air passage (21) are equal, the inner diameter of the air cavity (31) is 1.5-2.1 times of the inner diameter of the first air passage (11), and the axial height of the air cavity (31) is smaller than 1/4 of the sum of the axial heights of the first air passage (11) and the second air passage (21).
5. The numerical control lathe spindle bore cleaning apparatus as set forth in any one of claims 1-4, wherein: three air holes (32) which are communicated with the outside are uniformly distributed on the periphery of the air cavity (31).
6. The numerical control lathe spindle bore cleaning apparatus as set forth in any one of claims 1-4, wherein: one end of the air hole (32) connected with the air cavity (31) is defined as an inlet, one end leading to the outside is defined as an outlet, the rotating air nozzle (3) is provided with notches (33) which are equal to the air holes (32) in number and correspond to each other one by one along the periphery, and the outlets of the air holes (32) are positioned at the corresponding notches (33).
7. The numerical control lathe spindle bore cleaning apparatus as set forth in any one of claims 1-4, wherein: an included angle of 20-35 degrees is formed between the central line of the air hole (32) and the cross section of the rotary air tap (3).
8. The numerical control lathe spindle bore cleaning apparatus as set forth in any one of claims 1-4, wherein: the air joint (1) and the rotary joint (2) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977748.8U CN220279058U (en) | 2023-07-26 | 2023-07-26 | Numerical control lathe main shaft hole cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977748.8U CN220279058U (en) | 2023-07-26 | 2023-07-26 | Numerical control lathe main shaft hole cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220279058U true CN220279058U (en) | 2024-01-02 |
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ID=89339265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321977748.8U Active CN220279058U (en) | 2023-07-26 | 2023-07-26 | Numerical control lathe main shaft hole cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220279058U (en) |
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2023
- 2023-07-26 CN CN202321977748.8U patent/CN220279058U/en active Active
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