Intelligent compensation mechanism of self-adaptive numerical control milling machine
By installing an infrared temperature sensor and a serpentine nozzle system on a CNC milling machine, the temperature of the lead screw can be monitored and cooled in real time, solving the problem of lead screw assembly wear, extending its service life, and improving machining stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-03-10
AI Technical Summary
The lead screw assembly of existing CNC milling machines cannot detect and perform temperature cooling compensation in a timely manner during operation, resulting in severe wear and affecting its service life.
An adaptive intelligent compensation mechanism for CNC milling machines was designed. It uses an infrared temperature sensor to monitor the lead screw temperature in real time and automatically delivers and sprays coolant through a serpentine tube and nozzle system to achieve timely temperature adjustment and compensation.
This achieves stable temperature control of the lead screw assembly, extends its service life, and improves the stability and efficiency of the machining process.
Smart Images

Figure CN223981552U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of CNC milling machine technology, specifically to an adaptive intelligent compensation mechanism for CNC milling machines. Background Technology
[0002] A CNC milling machine is a machine tool that uses computer numerical control technology to automate machining processes, enabling it to perform milling, drilling, boring, tapping, and other operations on complex parts.
[0003] CNC milling machines are equipped with lead screw assemblies. During operation, the lead screw assembly generates heat. Overheating will cause serious wear to the lead screw assembly and affect its service life. However, in the current technology, the operating temperature of the lead screw assembly cannot be detected and adjusted in time, and timely cooling compensation of the lead screw assembly temperature cannot be achieved, which requires improvement. Utility Model Content
[0004] The purpose of this invention is to provide an adaptive intelligent compensation mechanism for CNC milling machines to solve the problem of the lead screw assembly not being able to perform timely cooling compensation as mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an adaptive CNC milling machine intelligent compensation mechanism, including a worktable, a protective cover on the top of the worktable, a flow divider plate slidably connected to the inner wall of the protective cover, the flow divider plate being symmetrically distributed about the bisector of the protective cover, a serpentine tube connected to one end of the flow divider plate, a nozzle threadedly connected to one end of the serpentine tube, a third reciprocating screw installed on one side of the flow divider plate, a sensor installed inside the third reciprocating screw, a fourth reciprocating screw and a first reciprocating screw respectively installed on the protective cover and the top of the worktable, the sensor being located on one side of the fourth reciprocating screw and the first reciprocating screw, a second reciprocating screw installed at the bottom of the first reciprocating screw, the flow divider plate being located at one end of the fourth reciprocating screw and the second reciprocating screw, and a milling cutter installed at the bottom of the second reciprocating screw.
[0006] Preferably, the inner wall of the protective cover is fixedly connected to a slide rail, and the slide rail is symmetrically distributed about the bisector of the protective cover.
[0007] Preferably, one end of the slide rail is slidably connected to a slider, one end of the slider is fixedly connected to a flow divider plate, and multiple serpentine tubes are connected to the flow divider plate.
[0008] Preferably, an electric cylinder is installed on the top of the protective cover, and a slider is connected to one end of the electric cylinder.
[0009] Preferably, the other end of the diverter plate is threadedly connected to a conveying pipe, and a conveying pump is installed on the conveying pipe.
[0010] Preferably, the fourth reciprocating screw is provided with a clamp, which is located at the bottom of the milling cutter.
[0011] Preferably, the workbench has a groove, and a drain pipe is connected to the bottom of the groove.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] (1) This device can detect the temperature of the second reciprocating screw, the fourth reciprocating screw and the first reciprocating screw in a timely manner during the processing, so as to facilitate timely cooling and achieve the purpose of cooling compensation, thereby improving the service life of the second reciprocating screw, the fourth reciprocating screw and the first reciprocating screw.
[0014] (2) This device has an automatic lifting sensor installed inside the protective cover. The sensor is an infrared temperature sensor that can detect the internal temperature of the second reciprocating screw, the fourth reciprocating screw and the first reciprocating screw in a timely manner. If a position with a high temperature is found, the height of the diverter plate can be adjusted in time to adjust and cool the device to ensure the temperature stability during operation.
[0015] (3) This device can cool multiple locations by setting multiple serpentine tubes on the flow divider plate. At the same time, the serpentine tubes can be bent, making it convenient for the nozzles on the serpentine tubes to be aligned with the appropriate positions. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of an adaptive CNC milling machine intelligent compensation mechanism according to the present invention;
[0017] Figure 2 This utility model relates to an adaptive intelligent compensation mechanism for CNC milling machines. Figure 1 Enlarged view of point A in the middle;
[0018] Figure 3 This is a top view of the flow divider plate of the adaptive CNC milling machine intelligent compensation mechanism of this utility model;
[0019] Figure 4 This is a top view of the connection between the diverter plate and the slide rail of an adaptive CNC milling machine intelligent compensation mechanism according to this utility model.
[0020] In the diagram: 1. Diverter plate; 2. Protective cover; 3. Nozzle; 4. Workbench; 5. Drain pipe; 6. First reciprocating screw; 7. Electric cylinder; 8. Slide rail; 9. Second reciprocating screw; 10. Milling cutter; 11. Third reciprocating screw; 12. Fixture; 13. Fourth reciprocating screw; 14. Sensor; 15. Delivery pipe; 16. Delivery pump; 17. Serpentine tube; 18. Slider. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1-4 This utility model provides a technical solution: an adaptive CNC milling machine intelligent compensation mechanism, including a worktable 4, a protective cover 2 on the top of the worktable 4, a groove on the worktable 4, and a drain pipe 5 connected to the bottom of the groove; the drain pipe 5 of this structure can discharge sewage in time; a slide rail 8 is fixedly connected to the inner wall of the protective cover 2, and the slide rail 8 is symmetrically distributed about the bisector of the protective cover 2; a slider 18 is slidably connected to one end of the slide rail 8, and a diverter plate 1 is fixedly connected to one end of the slider 18, and multiple serpentine tubes 17 are connected to the diverter plate 1; this structure can be arbitrarily bent through the serpentine tubes 17 to facilitate the adjustment of the nozzle 3. The angle is adjusted; the stability of the rise and fall of the diverter plate 1 can be improved by the slider 18 and the slide rail 8; an electric cylinder 7 is installed on the top of the protective cover 2, and one end of the electric cylinder 7 is connected to the slider 18; this structure can push the slider 18 and the diverter plate 1 to rotate and rise and fall by the electric cylinder 7; the other end of the diverter plate 1 is threadedly connected to the delivery pipe 15, and a delivery pump 16 is installed on the delivery pipe 15; this structure can automatically deliver coolant by the delivery pump 16; one end of the delivery pipe 15 is connected to the coolant storage tank; the diverter plate 1 is slidably connected to the inner wall of the protective cover 2, and the diverter plate 1 is symmetrically distributed about the bisector of the protective cover 2. One end of the flow divider 1 is connected to a serpentine tube 17, and the other end of the serpentine tube 17 is threadedly connected to a nozzle 3. A third reciprocating screw 11 is installed on one side of the flow divider 1. A sensor 14 is installed inside the third reciprocating screw 11. The sensor 14 is an infrared temperature sensor that can detect the temperature of the second reciprocating screw 9, the fourth reciprocating screw 13, and the first reciprocating screw 6 in a timely manner. A clamp 12 is installed on the fourth reciprocating screw 13, and the clamp 12 is located at the bottom of the milling cutter 10. The clamp 12 of this structure is pneumatically driven to clamp the workpiece. The fourth reciprocating screw 13, the second reciprocating screw 9, and the first reciprocating screw 6 have similar structures. Both are composed of a fixed base, a motor, a threaded rod, and a lead screw slide. The protective cover 2 and the top of the worktable 4 are respectively equipped with a fourth reciprocating lead screw 13 and a first reciprocating lead screw 6. The sensor 14 is located on one side of the fourth reciprocating lead screw 13 and the first reciprocating lead screw 6. A second reciprocating lead screw 9 is provided at the bottom of the first reciprocating lead screw 6. The diverter plate 1 is located at one end of the fourth reciprocating lead screw 13 and the second reciprocating lead screw 9. A milling cutter 10 is provided at the bottom of the second reciprocating lead screw 9. The milling cutter 10 of this device can be raised, lowered, moved laterally, and moved longitudinally, which facilitates the adjustment of the processing position. The drive equipment in this device is controlled by a PLC.
[0023] Working principle: When using the intelligent compensation mechanism of this adaptive CNC milling machine, the serpentine tube 17 on the flow divider plate 1 is first bent and adjusted according to the positions of the first reciprocating screw 6, the fourth reciprocating screw 13, and the second reciprocating screw 9, so that the nozzle 3 corresponds to the positions of the first reciprocating screw 6, the fourth reciprocating screw 13, and the second reciprocating screw 9. Then, the workpiece to be processed is placed inside the fixture 12 and clamped and fixed. Subsequently, the fourth reciprocating screw 13 drives the fixture 12 and the workpiece to move to a suitable processing position. Then, the first reciprocating screw 6 and the second reciprocating screw 9 drive the milling cutter 10 to start processing. During the processing, the third reciprocating screw 11 drives the sensor 14 to move longitudinally back and forth to adjust the height. If the sensor 14 detects that the temperature exceeds the set temperature during the movement, the electric cylinder 7 is activated to push the flow divider plate 1 to move to a suitable height. Then, the delivery pump 16 is turned on to deliver coolant to cool down the first reciprocating screw 6, the fourth reciprocating screw 13, and the second reciprocating screw 9.
[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An adaptive intelligent compensation mechanism for a numerical control milling machine, comprising a worktable (4), wherein a protective cover (2) is arranged on the top of the worktable (4), characterized in that: The inner wall of the protective cover (2) is slidably connected with a shunt plate (1), the shunt plate (1) is symmetrically distributed about the bisector of the protective cover (2), one end of the shunt plate (1) is connected with a serpentine tube (17), one end of the serpentine tube (17) is threadedly connected with a spray head (3), a third reciprocating lead screw (11) is installed on one side of the shunt plate (1), a sensor (14) is arranged on the inner side of the third reciprocating lead screw (11), a fourth reciprocating lead screw (13) and a first reciprocating lead screw (6) are arranged on the top of the protective cover (2) and the workbench (4) respectively, the sensor (14) is located on one side of the fourth reciprocating lead screw (13) and the first reciprocating lead screw (6), a second reciprocating lead screw (9) is arranged at the bottom of the first reciprocating lead screw (6), the shunt plate (1) is located at one end of the fourth reciprocating lead screw (13) and the second reciprocating lead screw (9), and a milling cutter (10) is arranged at the bottom of the second reciprocating lead screw (9).
2. The self-adaptive intelligent compensation mechanism of a CNC milling machine according to claim 1, wherein: The inner wall of the protective cover (2) is fixedly connected with a slide rail (8), and the slide rail (8) is symmetrically distributed about the bisector of the protective cover (2).
3. The self-adaptive intelligent compensation mechanism of a CNC milling machine according to claim 2, wherein: One end of the slide rail (8) is slidably connected with a sliding block (18), one end of the sliding block (18) is fixedly connected with the shunt plate (1), and a plurality of serpentine tubes (17) are connected to the shunt plate (1).
4. The self-adaptive intelligent compensation mechanism of a CNC milling machine according to claim 1, wherein: An electric cylinder (7) is installed on the top of the protective cover (2), and one end of the electric cylinder (7) is connected with the sliding block (18).
5. The self-adapting intelligent compensation mechanism of a CNC milling machine according to claim 1, wherein: The other end of the shunt plate (1) is threadedly connected with a conveying pipe (15), and the conveying pipe (15) is provided with a conveying pump (16).
6. The self-adapting intelligent compensation mechanism of a CNC milling machine according to claim 1, wherein: A clamp (12) is arranged on the fourth reciprocating lead screw (13), and the clamp (12) is located at the bottom of the milling cutter (10).
7. The self-adapting intelligent compensation mechanism of a CNC milling machine according to claim 1, wherein: A recess is formed in the workbench (4), and a blowdown pipe (5) is connected to the bottom of the recess.