Cooling liquid spraying device of numerical control milling machine
By designing an adjustable coolant spraying device with adjustable orientation and angle, the problem of traditional devices being unable to flexibly change orientation was solved, achieving precise coolant coverage and improving the machining accuracy and tool life of CNC milling machines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN HUINAN MOLD CO LTD
- Filing Date
- 2025-05-08
- Publication Date
- 2026-05-01
AI Technical Summary
Traditional CNC milling machine coolant spraying devices cannot flexibly change their orientation, resulting in limited coolant coverage and difficulty in adapting to the needs of different machining positions. This is especially true when machining complex curved surfaces, affecting machining accuracy and tool life.
A coolant spraying device was designed, comprising a machine tool spindle, an orientation adjustment mechanism, and an angle adjustment mechanism. The orientation and angle of the coolant nozzle are adjusted by components such as a support ring, connecting rod, limit ring, slider, and locking bolt, ensuring that the coolant accurately covers the processing area.
It enables flexible adjustment of the coolant nozzle in any position and spray angle, improving the cooling effect, machining accuracy and tool life.
Smart Images
Figure CN224182684U_ABST
Abstract
Description
A coolant spraying device for a CNC milling machine Technical Field
[0001] This utility model relates to the field of milling machine technology, and in particular to a coolant spraying device for CNC milling machines. Background Technology
[0002] In CNC milling, the coolant spraying device plays a crucial role in cooling, lubricating, and chip removal of the workpiece and cutting tool. To achieve the best cooling effect, the coolant should be poured onto the contact surface between the cutting tool and the workpiece as much as possible.
[0003] Traditional coolant spraying devices are usually fixed on one side of the machine tool spindle, and their position cannot be flexibly changed, resulting in limited coolant coverage and difficulty in adapting to the needs of different machining positions. Especially when machining complex curved surfaces, the coolant is difficult to accurately cover the machining area, affecting machining accuracy and tool life.
[0004] Therefore, it is necessary to provide a new coolant spraying device for CNC milling machines to solve the above-mentioned technical problems. Summary of the Invention
[0005] To solve the above-mentioned technical problems, this utility model provides a coolant spraying device for CNC milling machines.
[0006] The coolant spraying device for a CNC milling machine provided by this utility model includes: a machine tool spindle, an orientation adjustment mechanism, and an angle adjustment mechanism. The orientation adjustment mechanism is connected to the machine tool spindle. The orientation adjustment mechanism includes a support ring, connecting rods, a mounting plate, an outer inverted L-shaped limiting ring, an inner inverted L-shaped limiting ring, a convex slider, locking bolts, and a connecting block. The support ring is sleeved on the machine tool spindle. Multiple connecting rods are fixedly connected to the lower surface of the support ring. The other end of the connecting rods is fixedly connected to the mounting plate, which is fixedly connected to the machine tool spindle. An outer inverted L-shaped limiting ring is fixedly connected to the upper surface of the support ring, and an inner inverted L-shaped limiting ring is also fixedly connected to the upper surface of the support ring. A convex slider is provided between the outer inverted L-shaped limiting ring and the inner inverted L-shaped limiting ring. Two symmetrically arranged locking bolts are bolted to the convex slider. A connecting block is fixedly connected to the convex slider, and an angle adjustment mechanism is connected to the connecting block.
[0007] Preferably, the angle adjustment mechanism includes an inverted U-shaped connecting plate, an inverted U-shaped adjusting plate, a trapezoidal lead screw, a first fixed block, an adjusting rod, a cooling nozzle, a second fixed block, and a rotating rod. One end of the connecting block is fixedly connected to the inverted U-shaped connecting plate, and the lower end of the inverted U-shaped connecting plate is fixedly connected to the inverted U-shaped adjusting plate. The trapezoidal lead screw is threaded onto the inverted U-shaped adjusting plate, and the lower end of the trapezoidal lead screw is rotatably connected to the first fixed block via a bearing. The lower surface of the first fixed block is rotatably connected to the adjusting rod via a pin. A cooling nozzle is provided inside the inverted U-shaped adjusting plate, and two symmetrically arranged rotating rods are fixedly connected to the side of the cooling nozzle. The other end of the rotating rod is rotatably connected to the inner surface of the inverted U-shaped adjusting plate via a bearing. The upper surface of the cooling nozzle is also fixedly connected to the second fixed block, and the other end of the adjusting rod is rotatably connected to the second fixed block via a pin.
[0008] Preferably, the upper surface of the support ring is provided with anti-slip texture that matches the locking bolt.
[0009] Preferably, the mounting plate is fixed to the machine tool spindle by two symmetrically arranged fixing bolts.
[0010] Preferably, a hexagonal screw block is fixedly connected to the upper end of the trapezoidal lead screw.
[0011] Compared with related technologies, the coolant spraying device for CNC milling machines provided by this utility model has the following beneficial effects:
[0012] This utility model provides a coolant spraying device for a CNC milling machine. Through the setting of the orientation adjustment mechanism and the angle adjustment mechanism, not only can the cooling nozzle 13 be flexibly adjusted in any orientation, but the spraying angle of the cooling nozzle 13 can also be adjusted. The spraying orientation and angle can be changed according to the processing requirements to ensure that the coolant accurately covers the processing area, improves the cooling effect, and thus improves the processing accuracy and tool life. Attached Figure Description
[0013] Figure 1 is a schematic diagram of the structure of this utility model;
[0014] Figure 2 is a structural schematic diagram of this utility model from another angle;
[0015] Figure 3 is a partial cross-sectional structural schematic diagram of the present invention;
[0016] Figure 4 is an enlarged structural diagram of point A in Figure 3.
[0017] Labels in the diagram: 1. Machine tool spindle; 2. Support ring; 3. Connecting rod; 4. Mounting plate; 5. Outer inverted L-shaped limiting ring; 6. Inner inverted L-shaped limiting ring; 7. Connecting block; 8. Inverted U-shaped connecting plate; 9. Trapezoidal lead screw; 10. First fixing block; 11. Adjusting rod; 12. Second fixing block; 13. Cooling nozzle; 14. Rotating rod; 15. Inverted U-shaped adjusting plate; 16. Hexagonal screw block; 17. Fixing bolt; 18. Convex slider; 19. Locking bolt. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] Please refer to Figures 1, 2, 3, and 4. Figure 1 is a structural schematic diagram of this utility model; Figure 2 is a structural schematic diagram of this utility model from another angle; Figure 3 is a partial sectional view of this utility model; and Figure 4 is an enlarged structural schematic diagram of Figure 3 at point A. It includes: a machine tool spindle 1, an orientation adjustment mechanism, and an angle adjustment mechanism.
[0020] Referring to Figures 1, 2, 3, and 4, the machine tool spindle 1 is connected to an orientation adjustment mechanism. The orientation adjustment mechanism includes a support ring 2, connecting rods 3, a mounting plate 4, an outer inverted L-shaped limiting ring 5, an inner inverted L-shaped limiting ring 6, a convex slider 18, locking bolts 19, and a connecting block 7. The support ring 2 is sleeved on the machine tool spindle 1. Multiple connecting rods 3 are fixedly connected to the lower surface of the support ring 2. The other end of the connecting rods 3 is fixedly connected to the mounting plate 4, which is fixedly connected to the machine tool spindle 1. The outer inverted L-shaped limiting ring 5 and the inner inverted L-shaped limiting ring 6 are also fixedly connected to the upper surface of the support ring 2. A convex slider 18 is provided between the outer inverted L-shaped limiting ring 5 and the inner inverted L-shaped limiting ring 6. Two symmetrically arranged locking bolts 19 are bolted to the convex slider 18. A connecting block 7 is fixedly connected to the convex slider 18, and an angle adjustment mechanism is connected to the connecting block 7.
[0021] It should be noted that during use, loosening the locking bolt 19 releases the locking of the convex slider 18, allowing the convex slider 18 to slide within the annular groove formed by the support ring 2, the outer inverted L-shaped limiting ring 5, and the inner inverted L-shaped limiting ring 6. The movement of the convex slider 18 drives the angle adjustment mechanism through the connecting block 7. After moving to the appropriate position, the locking bolt 19 is tightened to lock it in place.
[0022] Referring to Figure 2, the angle adjustment mechanism includes an inverted U-shaped connecting plate 8, an inverted U-shaped adjusting plate 15, a trapezoidal lead screw 9, a first fixing block 10, an adjusting rod 11, a cooling nozzle 13, a second fixing block 12, and a rotating rod 14. One end of the connecting block 7 is fixedly connected to the inverted U-shaped connecting plate 8, and the lower end of the inverted U-shaped connecting plate 8 is fixedly connected to the inverted U-shaped adjusting plate 15. The trapezoidal lead screw 9 is threaded onto the inverted U-shaped adjusting plate 15, and the lower end of the trapezoidal lead screw 9 is rotatably connected to the first fixing block 10 via a bearing. The lower surface of the first fixing block 10 is rotatably connected to the adjusting rod 11 via a pin. The inverted U-shaped adjusting plate 15 is provided with a cooling nozzle 13, and two symmetrically arranged rotating rods 14 are fixedly connected to the side of the cooling nozzle 13. The other end of the rotating rod 14 is rotatably connected to the inner side of the inverted U-shaped adjusting plate 15 via a bearing. The upper side of the cooling nozzle 13 is also fixedly connected to the second fixing block 12, and the other end of the adjusting rod 11 is rotatably connected to the second fixing block 12 via a pin.
[0023] It should be noted that during use, when the trapezoidal lead screw 9 is rotated, the first fixed block 10 cannot rotate with the trapezoidal lead screw 9 due to the limiting effect of the adjusting rod 11. Therefore, when the trapezoidal lead screw 9 rotates in both directions, the first fixed block 10 can move up and down. Since the upper end of the adjusting rod 11 is rotatably connected to the lower surface of the first fixed block 10 through a pin, the movement of the first fixed block 10 causes the upper end of the adjusting rod 11 to rotate and move up and down. Since the cooling nozzle 13 is rotatably connected to the inverted U-shaped adjusting plate 15 through the rotating rod 14, and the lower end of the adjusting rod 11 is rotatably connected to the upper surface of the second fixed block 12 through a pin, when the upper end of the adjusting rod 11 rotates and moves up and down, it can push the cooling nozzle 13 to rotate, changing the angle. After changing to a suitable angle, the positioning is completed by the self-locking property of the trapezoidal lead screw 9.
[0024] The upper surface of the support ring 2 is provided with anti-slip texture that matches the locking bolt 19. By setting the anti-slip texture, the friction is increased, making the locking bolt 19 more stable when locked.
[0025] Referring to Figure 1, the mounting plate 4 is fixed to the machine tool spindle 1 by two symmetrically arranged fixing bolts 17, which facilitates the installation and removal of the mounting plate 4.
[0026] Referring to Figure 2, a hexagonal screw block 16 is fixedly connected to the upper end of the trapezoidal screw 9, which facilitates the rotation of the trapezoidal screw 9.
[0027] The working principle of this utility model is as follows: During use, the coolant pipe is connected to the cooling nozzle 13, and the locking bolt 19 is loosened to release the locking of the convex slider 18. This allows the convex slider 18 to slide within the annular groove formed by the support ring 2, the outer inverted L-shaped limiting ring 5, and the inner inverted L-shaped limiting ring 6. The movement of the convex slider 18 drives the angle adjustment mechanism via the connecting block 7. After moving to the appropriate position, the locking bolt 19 is tightened to lock it in place. Thus, during use, the position of the angle adjustment mechanism can be adjusted, allowing for flexible adjustment of the cooling nozzle 13 in any position. The spray position can be freely changed according to processing requirements, ensuring precise coverage of the processing area with coolant, improving the cooling effect, and consequently improving processing accuracy and tool life. During use, rotating the trapezoidal lead screw 9, due to the limiting effect of the adjusting rod 11, prevents the first fixing block 10 from moving with the trapezoidal lead screw. The trapezoidal screw 9 rotates, so when the trapezoidal screw 9 rotates in both directions, the first fixed block 10 can move up and down. Since the upper end of the adjusting rod 11 is rotatably connected to the lower surface of the first fixed block 10 through a pin, the movement of the first fixed block 10 causes the upper end of the adjusting rod 11 to rotate and move up and down. Since the cooling nozzle 13 is rotatably connected to the inverted U-shaped adjusting plate 15 through the rotating rod 14, and the lower end of the adjusting rod 11 is rotatably connected to the upper surface of the second fixed block 12 through a pin, when the upper end of the adjusting rod 11 rotates and moves up and down, it can push the cooling nozzle 13 to rotate, and the angle changes. After changing to a suitable angle, the positioning is completed by the self-locking property of the trapezoidal screw 9. Thus, during use, the spray angle of the cooling nozzle 13 can be adjusted. The spray angle can be changed according to the processing requirements to ensure that the coolant accurately covers the processing area, improves the cooling effect, and further improves the processing accuracy and tool life.
[0028] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.
[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A coolant spraying device for a CNC milling machine, characterized in that, include: Machine tool spindle (1); orientation adjustment mechanism, the machine tool spindle (1) is connected to an orientation adjustment mechanism, the orientation adjustment mechanism includes a support ring (2), a connecting rod (3), a mounting plate (4), an outer inverted L-shaped limiting ring (5), an inner inverted L-shaped limiting ring (6), a convex slider (18), a locking bolt (19) and a connecting block (7), the machine tool spindle (1) is fitted with a support ring (2), the lower surface of the support ring (2) is fixedly connected to multiple connecting rods (3), the other end of the connecting rods (3) is fixedly connected to a mounting plate (4), the mounting plate ( 4) Fixedly connected to the machine tool spindle (1), an outer inverted L-shaped limiting ring (5) is fixedly connected to the upper surface of the support ring (2), and an inner inverted L-shaped limiting ring (6) is also fixedly connected to the upper surface of the support ring (2). A convex slider (18) is provided between the outer inverted L-shaped limiting ring (5) and the inner inverted L-shaped limiting ring (6). Two symmetrically arranged locking bolts (19) are bolted to the convex slider (18), and a connecting block (7) is fixedly connected to the convex slider (18); An angle adjustment mechanism is connected to the connecting block (7).
2. The coolant spraying device for a CNC milling machine according to claim 1, characterized in that, The angle adjustment mechanism includes an inverted U-shaped connecting plate (8), an inverted U-shaped adjusting plate (15), a trapezoidal screw (9), a first fixing block (10), an adjusting rod (11), a cooling nozzle (13), a second fixing block (12), and a rotating rod (14). One end of the connecting block (7) is fixedly connected to the inverted U-shaped connecting plate (8), and the lower end of the inverted U-shaped connecting plate (8) is fixedly connected to the inverted U-shaped adjusting plate (15). The trapezoidal screw (9) is threaded onto the inverted U-shaped adjusting plate (15), and the lower end of the trapezoidal screw (9) is rotatably connected to the first fixing block (14) via a bearing. The lower surface of the first fixed block (10) is rotatably connected to the adjusting rod (11) via a pin. The inverted U-shaped adjusting plate (15) is provided with a cooling nozzle (13). The side of the cooling nozzle (13) is fixedly connected to two symmetrically arranged rotating rods (14). The other end of the rotating rod (14) is rotatably connected to the inner side of the inverted U-shaped adjusting plate (15) via a bearing. The upper side of the cooling nozzle (13) is also fixedly connected to a second fixed block (12). The other end of the adjusting rod (11) is rotatably connected to the second fixed block (12) via a pin.
3. The coolant spraying device for a CNC milling machine according to claim 1, characterized in that, The upper surface of the support ring (2) is provided with anti-slip texture that matches the locking bolt (19).
4. The coolant spraying device for a CNC milling machine according to claim 1, characterized in that, The mounting plate (4) is fixed to the machine tool spindle (1) by two symmetrically arranged fixing bolts (17).
5. The coolant spraying device for a CNC milling machine according to claim 2, characterized in that, The upper end of the trapezoidal lead screw (9) is fixedly connected to a hexagonal screw block (16).