A CNC machine cleaning device
Patent Information
- Application Number
- CN202522335892.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-04
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-04
AI Technical Summary
In existing technologies, CNC machine tool cleaning devices have difficulty effectively cleaning metal debris that is far from the air gun nozzle, resulting in a decrease in machining accuracy.
A CNC machine tool cleaning device was designed, which enables rapid switching between gas and liquid through a three-way connector and conversion component, and uses a combination of gas and liquid spray to clean metal debris at different distances.
It achieves efficient cleaning of metal debris at different distances, ensuring the precision and accuracy of CNC machining.
Smart Images

Figure CN224927543U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of auxiliary equipment technology for machining, and in particular to a CNC machine tool cleaning device. Background Technology
[0002] CNC machining centers are commonly used equipment for machining precision parts. When machining parts, they are usually used in conjunction with tooling fixtures. When machining parts, a large amount of metal shavings are generated. After the previous part is taken off the machine, the metal shavings on the CNC worktable and tooling need to be cleaned in time. Otherwise, the metal shavings adhering to the tooling will affect the clamping and positioning of the next workpiece, thus affecting the machining accuracy of the part and causing the workpiece to be unqualified. At present, air guns are commonly used to clean the metal shavings adhering to the tooling. When the operator stands outside the CNC machine, because the air blown out by the air gun is in a diffused state, the airflow is more concentrated and the wind force is stronger in the area close to the air gun nozzle, and the air gun can effectively clean the metal shavings adhering to the tooling. However, in the area far from the air gun nozzle, the airflow is more dispersed and the wind force is reduced, making it difficult to clean the metal shavings adhering to the tooling. Utility Model Content
[0003] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a CNC machine tool cleaning device to solve one or more problems in the prior art.
[0004] To achieve the above objectives, the technical solution of this utility model is as follows: This utility model relates to a CNC machine tool cleaning device, comprising: a handle, a spray nozzle fixedly disposed at one end of the handle, and a control lever rotatably connected to the handle. A gas-liquid switching conversion component is fixedly installed inside the handle. A three-way connector is also fixedly installed inside the handle. An air outlet pipe is fixedly connected to one side of the conversion component, and a liquid outlet pipe is fixedly connected to one side of the conversion component. The end of the liquid outlet pipe furthest from the conversion component is connected to any one port of the three-way connector. The end of the air outlet pipe furthest from the conversion component is connected to any one port of the three-way connector. One end of the spray nozzle is connected to any one port of the three-way connector.
[0005] Preferably, the conversion assembly includes an outer cylinder and an inner plug, the outer cylinder being fixedly installed inside the handle, and the inner plug being slidably connected inside the outer cylinder.
[0006] Preferably, an air inlet is provided on one side of the outer cylinder, a liquid inlet is provided on one side of the outer cylinder, an air outlet is provided on one side of the outer cylinder, a liquid outlet is provided on one side of the outer cylinder, a gas guide ring groove is provided on the outer side of the inner plug, and a liquid guide ring groove is provided on the outer side of the inner plug.
[0007] Preferably, one end of the air outlet pipe is fixedly connected to the air outlet hole, one end of the liquid outlet pipe is fixedly connected to the liquid outlet hole, an air inlet pipe is fixedly connected to the air inlet hole, and a liquid inlet pipe is fixedly connected to the liquid inlet hole.
[0008] Preferably, a reset mechanism for resetting is provided on one side of the inner plug.
[0009] Preferably, the reset mechanism includes an extended traction rod, a spring, and a cylinder cover. The extended traction rod is fixedly disposed at one end of the inner plug. The spring is sleeved on the outside of the extended traction rod. The cylinder cover is threadedly connected to one end of the outer cylinder. One end of the spring abuts against one end of the inner plug. The end of the spring away from the inner plug abuts against one end of the cylinder cover. The extended traction rod passes through the inside of the cylinder cover.
[0010] Preferably, the control lever is rotatably connected to the inside of the handle at its middle part, and a connection is hinged to the end of the control lever away from the handle, and the end of the connection away from the control lever is hinged to one end of the extended traction rod.
[0011] Preferably, a plurality of sealing rings are sleeved on the outer side of the inner plug, the sealing rings are distributed on both sides of the gas guide ring groove, the sealing rings are distributed on both sides of the liquid guide ring groove, and the sealing rings are distributed at both ends of the inner plug.
[0012] Preferably, a constant pressure exhaust port is provided at one end of the outer cylinder.
[0013] Compared with the prior art, the beneficial technical effects of this utility model are as follows: This invention utilizes a three-way connector, which connects to both an air outlet and a liquid outlet via an air pipe and a liquid outlet pipe. By adjusting the position of the inner plug within the outer cylinder, gas or liquid is controlled to exit through the nozzle via the three-way connector. This enables rapid switching between air and liquid spraying, allowing for effective rinsing and cleaning even at locations far from the nozzle, thus ensuring the precision of CNC-machined workpieces. Attached Figure Description
[0014] Figure 1 This diagram shows an overall schematic of a CNC machine tool cleaning device according to an embodiment of the present invention; Figure 2 This is a cross-sectional schematic diagram of a CNC machine tool cleaning device according to an embodiment of the present invention; Figure 3 This utility model relates to a CNC machine tool cleaning device. Figure 2 A magnified view of part A; Figure 4This is an exploded view of the internal structure of a CNC machine tool cleaning device according to the present invention. Figure 5 This is a schematic diagram of the closed state of the conversion component of the CNC machine tool cleaning device according to this utility model; Figure 6 This is a schematic diagram of the ventilation of the conversion component of a CNC machine tool cleaning device according to this utility model; Figure 7 This is a schematic diagram of the fluid circulation of the conversion component of a CNC machine tool cleaning device according to this utility model.
[0015] Marked in the attached diagram: 1. Handle; 2. Injection nozzle; 3. Control lever; 4. T-connector; 5. Connecting rod; 6. Outer cylinder; 7. Inner plug; 8. Spring; 9. Cylinder cover; 10. Sealing ring; 11. Air inlet; 12. Liquid inlet; 13. Air outlet; 14. Liquid outlet; 15. Air guide ring groove; 16. Liquid guide ring groove; 17. Extended traction rod; 18. Air inlet pipe; 19. Liquid inlet pipe; 20. Air outlet pipe; 21. Liquid outlet pipe; 22. Constant pressure exhaust port. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description of a CNC machine tool cleaning device proposed by this utility model, in conjunction with the accompanying drawings and specific embodiments, will further illustrate its purpose. The advantages and features of this utility model will become clearer from the following description. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, used only to facilitate and clearly illustrate the purpose of the embodiments of this utility model. Please refer to the accompanying drawings to make the objectives, features, and advantages of this utility model more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model.
[0017] like Figure 1-7As shown, a CNC machine tool cleaning device according to this embodiment includes: a handle 1, a spray nozzle 2 fixedly disposed at one end of the handle 1, and a control lever 3 rotatably connected to the handle 1. A conversion assembly for switching between gas and liquid is fixedly installed inside the handle 1. A three-way connector 4 is also fixedly installed inside the handle 1. An air outlet pipe 20 is fixedly connected to one side of the conversion assembly, and a liquid outlet pipe 21 is fixedly connected to the other side of the conversion assembly. The end of the liquid outlet pipe 21 away from the conversion assembly is connected to any one interface of the three-way connector 4. The end of the air outlet pipe 20 away from the conversion assembly is connected to any one interface of the three-way connector 4. One end of the spray nozzle 2 is connected to any one interface of the three-way connector 4. Specifically, in this embodiment, the end of the liquid outlet pipe 21 away from the conversion assembly is connected to the first interface of the three-way connector 4, the end of the air outlet pipe 20 away from the conversion assembly is connected to the second interface of the three-way connector 4, and one end of the spray nozzle 2 extends into the handle 1 and is connected to the third interface of the three-way connector 4.
[0018] Furthermore, the conversion assembly includes an outer cylinder 6 and an inner plunger 7. The outer cylinder 6 is fixedly installed inside the handle 1, and the inner plunger 7 is slidably connected inside the outer cylinder 6.
[0019] Furthermore, an air inlet 11 and a liquid inlet 12 are respectively opened on one side of the outer cylinder 6, and an air outlet 13 and a liquid outlet 14 are respectively opened on the other side of the outer cylinder 6. The air inlet 11 and the air outlet 13 on the outside of the outer cylinder 6 are at the same level, and the liquid inlet 12 and the liquid outlet 14 on the outside of the outer cylinder 6 are at the same level. A gas guide ring groove 15 is opened on the outside of the inner plug 7, and a liquid guide ring groove 16 is opened on the outside of the inner plug 7.
[0020] Furthermore, one end of the air outlet pipe 20 is fixedly connected to the air outlet 13, one end of the liquid outlet pipe 21 is fixedly connected to the liquid outlet 14, an air inlet pipe 18 is fixedly connected to the air inlet 11, and a liquid inlet pipe 19 is fixedly connected to the liquid inlet 12. When using this cleaning device, the air inlet pipe 18 is connected to the air compressor in the factory, and the liquid inlet pipe 19 is connected to the cutting fluid output pump body on the CNC equipment.
[0021] Furthermore, a reset mechanism for resetting is provided on one side of the inner plug 7.
[0022] Furthermore, the reset mechanism includes an extended traction rod 17, a spring 8, and a cylinder cover 9. The extended traction rod 17 is fixedly installed at one end of the inner plug 7. The spring 8 is sleeved on the outside of the extended traction rod 17. The cylinder cover 9 is threadedly connected to one end of the outer cylinder 6. One end of the spring 8 abuts against one end of the inner plug 7. The end of the spring 8 away from the inner plug 7 abuts against one end of the cylinder cover 9. The extended traction rod 17 passes through the inside of the cylinder cover 9.
[0023] Furthermore, the middle part of the control lever 3 is rotatably connected inside the handle 1, and the end of the control lever 3 away from the handle 1 is hinged to a connecting rod 5. The end of the connecting rod 5 away from the control lever 3 is hinged to one end of the extended traction rod 17.
[0024] Furthermore, a number of sealing rings 10 are sleeved on the outer side of the inner plug 7. The sealing rings 10 are distributed on both sides of the gas guide ring groove 15 and on both sides of the liquid guide ring groove 16. The sealing rings 10 are also distributed at both ends of the inner plug 7. The sealing rings 10 fill the mechanical gap between the inner plug 7 and the outer cylinder 6 to prevent the high-pressure gas accumulated at the air inlet 11 and the high-pressure liquid accumulated at the liquid inlet 12 from flowing out from the mechanical gap between the inner plug 7 and the outer cylinder 6.
[0025] Furthermore, a constant pressure exhaust port 22 is provided at one end of the outer cylinder 6. The constant pressure exhaust port 22 can prevent the end face of the inner plug 7 from forming a sealed space with the interior of one end of the outer cylinder 6, ensuring that the inner plug 7 can slide smoothly inside the outer cylinder 6 without generating high pressure or negative pressure.
[0026] Example 1 When cleaning metal debris that is close to the tooling fixture, in the initial state, the solid part of the inner plug 7, which is slidably connected inside the outer cylinder 6, seals the air inlet 11, liquid inlet 12, air outlet 13, and liquid outlet 14. At this time, the air outlet 13 is not connected to the air inlet 11, and the liquid inlet 12 is not connected to the liquid outlet 14. When using this device to clean the CNC machine tooling fixture, the worker simultaneously holds the handle 1 and the control lever 3, and controls the lever by... The lever 3 applies force, causing the control lever 3, which is rotatably connected to the handle 1 in the middle, to rotate. The rotating control lever 3, through the connecting rod 5 hinged to it, drives the extended traction rod 17 to move away from the inner plug 7. This causes the extended traction rod 17 to drive the inner plug 7, which is slidably connected inside the outer cylinder 6, to move towards the end where the extended traction rod 17 is located. When the inner plug 7 moves towards the end where the extended traction rod 17 is fixed, the air inlet hole on the inner plug 7 is opened. The air guide ring groove 15 of the air inlet 11 and the air outlet 13 moves to the right, so that the solid part of the inner plug 7 no longer blocks the air inlet 11 and the air outlet 13. The air guide ring groove 15 is aligned with the air inlet 11 and the air outlet 13. The air in the air inlet 11 is discharged from the air outlet 13 through the air guide ring groove 15 opened on the outside of the inner plug 7. At this time, the solid part of the inner plug 7 is still located between the liquid inlet 12 and the liquid outlet 14. A three-way connector 4 is fixedly installed inside the handle 1. An air outlet pipe 20 is fixedly connected to the air outlet 13. The end of the air outlet pipe 20 away from the liquid guide ring groove 16 is connected to any interface on the three-way connector 4. Any interface of the three-way connector 4 is connected to the injection port 2 fixedly set on the handle 1. The air discharged from the air outlet 13 enters the three-way connector 4 through the air outlet pipe 20 connected to it, and finally sprays out from the injection port 2 connected to the three-way connector 4. The high-pressure gas sprayed from the injection port 2 can effectively clean the position close to the injection port 2. Example 2 When it is necessary to clean metal debris that is far away on the tooling fixture, continue to pull the control lever 3, causing the inner plug 7 to continue moving to the right. During the process of the inner plug 7 continuing to move to the right, the air guide ring groove 15 gradually deviates from the air inlet 11 and the air outlet 13. The solid part of the inner plug 7 gradually separates the air inlet 11 and the air outlet 13 again. At the same time, the liquid guide ring groove 16 opened on the outside of the inner plug 7 gradually aligns with the liquid inlet 12 and the liquid outlet 14. The high-pressure cutting fluid inside the liquid inlet 12 passes through the inner plug 7. The liquid guide ring groove 16 on the outside enters the liquid outlet 14. The liquid outlet 14 is fixedly connected to the liquid outlet pipe 21. The end of the liquid outlet pipe 21 away from the liquid outlet 14 is connected to any interface on the three-way connector 4. The high-pressure cutting fluid output from the liquid outlet 14 enters the three-way connector 4 through the liquid outlet pipe 21 connected to it, and then sprays out from the spray port 2 connected to the three-way connector 4. The liquid sprayed from the spray port 2 is streamlined and has a greater impact force than compressed air, which can clean metal chips at a greater distance. Example 3 When an employee wants to stop the jetting or cutting fluid spraying, they press the control lever 3. Under the restoring force of the spring 8, the inner plunger 7 moves to the left until one end of the inner plunger 7 abuts against the inner wall of the outer cylinder 6. The inner plunger 7 then returns to its initial state. A constant pressure exhaust port 22 is provided at one end of the outer cylinder 6. This constant pressure exhaust port 22 prevents a sealed space from forming between the end face of the inner plunger 7 and the interior of one end of the outer cylinder 6, ensuring that the inner plunger 7 can slide smoothly inside the outer cylinder 6 without generating high or negative pressure. After the inner plunger 7 returns to its initial state, the air guide ring groove 15 is misaligned with the air inlet 11 and the air outlet 13, guiding... The liquid ring groove 16 is offset from the liquid outlet 14 and the liquid inlet 12, which in turn prevents the air inlet 11 from communicating with the air outlet 13 and the liquid inlet 12 from communicating with the liquid outlet 14. This causes the spray nozzle 2 to stop spraying gas or cutting fluid. At the same time, as the inner plunger 7 moves to the left, the inner plunger 7 drives the extended traction rod 17, which passes through the inside of the cylinder cover 9, to move to the left. This causes the extended traction rod 17 to drive the control lever 3 to return to its original position through the connecting rod 5 that is hinged to it, in preparation for the next press by the employee. By setting a reset mechanism consisting of a spring 8 and the cylinder cover 9, the device can automatically reset, making it more convenient to use.
[0027] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0028] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A CNC machine tool cleaning device, comprising: The present invention comprises a handle, a spray nozzle fixedly disposed at one end of the handle, and a control lever rotatably connected to the handle, characterized in that: a conversion component for switching between gas and liquid is fixedly installed inside the handle; a three-way connector is fixedly installed inside the handle; a gas outlet pipe is fixedly connected to one side of the conversion component; a liquid outlet pipe is fixedly connected to one side of the conversion component; the end of the liquid outlet pipe away from the conversion component is connected to any one interface of the three-way connector; the end of the gas outlet pipe away from the conversion component is connected to any one interface of the three-way connector; and one end of the spray nozzle is connected to any one interface of the three-way connector.
2. The CNC machine tool cleaning device according to claim 1, characterized in that, The conversion assembly includes an outer cylinder and an inner plug. The outer cylinder is fixedly installed inside the handle, and the inner plug is slidably disposed inside the outer cylinder.
3. The CNC machine tool cleaning device according to claim 2, characterized in that, An air inlet is provided on one side of the outer cylinder, a liquid inlet is provided on one side of the outer cylinder, an air outlet is provided on one side of the outer cylinder, a liquid outlet is provided on one side of the outer cylinder, a gas guide ring groove is provided on the outer side of the inner plug, and a liquid guide ring groove is provided on the outer side of the inner plug.
4. The CNC machine tool cleaning device according to claim 3, characterized in that, One end of the vent pipe is fixedly connected to the vent hole, one end of the liquid outlet pipe is fixedly connected to the liquid outlet hole, an air inlet pipe is fixedly connected to the air inlet hole, and a liquid inlet pipe is fixedly connected to the liquid inlet hole.
5. A CNC machine tool cleaning device according to claim 2, characterized in that, A reset mechanism for controlling the reciprocating motion of the inner plug is provided on one side; the reset mechanism includes an extended traction rod, a spring, and a cylinder cover. The extended traction rod is fixedly disposed at one end of the inner plug, the spring is sleeved on the outside of the extended traction rod, the cylinder cover is threadedly connected to one end of the outer cylinder, one end of the spring abuts against one end of the inner plug, the end of the spring away from the inner plug abuts against one end of the cylinder cover, and the extended traction rod passes through the inside of the cylinder cover.
6. The CNC machine tool cleaning device according to claim 5, characterized in that, The control lever is rotatably connected to the inside of the handle at its middle part. A connecting rod is hinged to the end of the control lever away from the handle, and the end of the connecting rod away from the control lever is hinged to one end of the extended traction rod.
7. A CNC machine tool cleaning device according to claim 3, characterized in that, The inner plug is fitted with several sealing rings on its outer side. The sealing rings are distributed on both sides of the gas guide ring groove, on both sides of the liquid guide ring groove, and at both ends of the inner plug.
8. A CNC machine tool cleaning device according to claim 2, characterized in that, A constant pressure exhaust port is provided at one end of the outer cylinder.
