Three-dimensional positioning anti-overheat vertical numerical control machine tool

Abstract

The application discloses a three-dimensional positioning anti-overheating vertical numerical control machine tool, which comprises a base and a water tank on the upper surface of the base, wherein the water tank is a hollow structure, a circular material loading plate for loading materials is arranged on the upper surface of the base, a spray-washing assembly for spraying water and air on the materials is arranged between the circular material loading plate and the water tank, a polishing assembly for polishing the materials is arranged above the base, and the polishing assembly comprises a linkage rod fixedly connected to the lower end of a supporting rod. The polishing assembly can move the materials in all directions and rotate the materials in all directions, the rotating speed of the materials can be adjusted, the positioning point of the materials is switched from two dimensions to three dimensions, the positioning precision of the materials is improved, the materials can be polished in all directions by cooperating with multi-axis machining of the machine tool, the machining precision of the numerical control machine tool is ensured, the application rate of the whole machine tool is improved, the cooling assembly is used during polishing, the machine tool and the surface of the materials can be cooled, the machining precision is not affected by high temperature of the materials, and the cutter is not damaged due to overheating.

Description

Technical Field

[0001] This invention relates to the field of machine tool technology, specifically to a three-dimensional positioning anti-overheating vertical CNC machine tool. Background Technology

[0002] CNC machine tools, short for numerical control machine tools, are automated machine tools equipped with a program control system. This control system can logically process programs with control codes or other symbolic instructions, decode them, represent them with coded numbers, and input them into the CNC device via an information carrier. After processing, the CNC device sends out various control signals to control the machine tool's movements, automatically machining parts according to the shape and dimensions required by the drawings.

[0003] However, in actual use, traditional CNC machine tools often produce some debris after grinding parts. In order not to affect the subsequent processing, these debris need to be cleaned up.

[0004] Therefore, we proposed a three-dimensional positioning anti-overheating vertical CNC machine tool to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a three-dimensional positioning anti-overheating vertical CNC machine tool equipped with a spray washing component, which allows water to be drawn from the water tank and sprayed onto the material while grinding it. This removes the debris generated during the grinding process and simultaneously cools the material with water. At the same time, it can also blow air onto the material to accelerate the evaporation rate of moisture on the material surface, thereby effectively improving the machine tool's cooling speed and solving the problem of needing to clean up debris.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a three-dimensional positioning anti-overheating vertical CNC machine tool, including a base and a water tank located on the upper surface of the base. The water tank has a hollow structure. A circular carrier plate for carrying materials is provided on the upper surface of the base. A spray washing component for spraying water and blowing air onto the materials is provided between the circular carrier plate and the water tank.

[0007] Preferably, the spraying assembly includes a transverse pipe communicating with a water tank, a longitudinal pipe integrally formed at the end of the transverse pipe away from the water tank, the transverse pipe and the longitudinal pipe communicating with each other, a circular piston plate telescopically inserted into the upper end of the longitudinal pipe, a piston rod vertically fixed on the upper surface of the circular piston plate, a support rod vertically fixed at the upper end of the piston rod, the support rod being driven by an external drive device, a first one-way valve installed in the longitudinal pipe, the first one-way valve being located below the transverse pipe, a second one-way valve installed in the transverse pipe, a vertical rod vertically fixed at the end of the support rod near the water tank, the vertical rod telescopically inserted into the top of the water tank, a water collection box attached to the inner wall of the water tank near the transverse pipe, the water collection box being open on the side near the transverse pipe, the water collection box being fixedly connected to the lower end of the vertical rod, a water inlet hole being opened on the upper surface of the water collection box, an inclined pipe integrally formed at the lower end of the longitudinal pipe, the inclined pipe communicating with the longitudinal pipe, a nozzle installed at one end of the inclined pipe.

[0008] Preferably, a grinding component for grinding materials is provided above the base, and the grinding component includes a linkage rod fixedly connected to the lower end of the support rod.

[0009] Preferably, the lower end of the linkage rod is fixedly connected to an arc-shaped grinding plate for grinding materials. The arc-shaped grinding plate is located above the circular carrier plate. A U-shaped connecting rod is fixedly connected to one side of the base surface, and an arc-shaped baffle is fixedly connected to one end of the U-shaped connecting rod.

[0010] Preferably, a column is vertically fixed to the upper surface of the base, the circular carrier plate is sleeved on the surface of the column, and the circular carrier plate and the column are rotatably connected. Rectangular blocks arranged in a circumferential array are fixedly connected to the surface of the circular carrier plate, an L-shaped connecting rod is fixedly connected to the surface of the arc-shaped baffle, and a rectangular base plate is fixedly connected to the lower end of the L-shaped connecting rod. A first pushing block and a second pushing block are fixed to the two ends of one diagonal of the rectangular base plate, respectively. The lower end of the first pushing block is inclined, the upper end of the second pushing block is inclined, and the inclination directions of the inclined surfaces of the first pushing block and the second pushing block are opposite.

[0011] Preferably, a swaying component for driving the material to sway back and forth is provided above the circular carrier plate, and the swaying component includes a triangular block fixedly connected to the top of the column.

[0012] Preferably, a circular plate is provided above the circular carrier plate, and a circular groove adapted to the triangular block is opened on the lower surface of the circular plate. The triangular block and the circular plate are rotatably connected. A through hole is opened in the triangular block, and a limiting rod is fixedly connected in the through hole. One end of the limiting rod extends to the outside of the circular plate. A push rod is vertically fixed on the upper surface of the circular carrier plate. The push rod and the limiting rod are in contact with each other. A spring is fixedly connected to one end of the limiting rod, and a movable rod is fixedly connected to one end of the spring. The movable rod is telescopically inserted into the through hole, and one end of the movable rod is in contact with the triangular block.

[0013] Preferably, a water inlet is provided on one side of the surface of the water tank, and a ventilation hole is provided on the side of the water tank near the water inlet. Both the water inlet and the ventilation hole are located above the horizontal pipe. A water level line is marked inside the water tank, and the water level line is located below the horizontal pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. This invention, by setting up a spray washing component, can draw water from the water tank and spray it onto the material while grinding it, which can wash away the debris generated during the grinding process and simultaneously cool the material with water; at the same time, it can also blow air onto the material to accelerate the evaporation rate of moisture on the material surface, thereby effectively improving the cooling speed of the material by the machine tool.

[0016] 2. The present invention provides a grinding component to grind the material while spraying water and blowing air; and to rotate the material at the same time to grind the material from all angles.

[0017] 3. By setting up a shaking component, the circular carrier plate can drive the material to shake while rotating, shaking off debris and water from the surface of the material. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the three-dimensional positioning anti-overheating vertical CNC machine tool of the present invention;

[0019] Figure 2 This is a schematic diagram of the circular piston plate of the present invention;

[0020] Figure 3 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 For the present invention Figure 1 A schematic diagram of the water intake box.

[0022] Figure 5 This is a schematic diagram of the grinding component in this invention;

[0023] Figure 6 This is a schematic diagram of the structure of the shaking component in this invention. Figure 1 ;

[0024] Figure 7 This is a schematic diagram of the structure of the shaking component in this invention. Figure 2 .

[0025] In the diagram: 1. Base; 11. Column; 2. Water tank; 3. Circular support plate; 4. Spraying assembly; 41. Horizontal pipe; 42. Longitudinal pipe; 421. Inclined pipe; 422. Spray nozzle; 43. Circular piston plate; 44. Piston rod; 45. Support rod; 46. First one-way valve; 47. Second one-way valve; 48. Vertical rod; 49. Water collection box; 5. Grinding assembly; 51. Linkage rod; 52. Arc-shaped grinding plate; 53. U-shaped connecting rod; 54. Arc-shaped baffle; 55. Rectangular block; 56. L-shaped connecting rod; 57. Rectangular base plate; 581. First pushing block; 582. Second pushing block; 6. Shaking assembly; 61. Triangular block; 62. Circular plate; 63. Circular groove; 64. Through hole; 65. Limiting rod; 66. Pushing rod; 67. Spring; 68. Movable rod. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] Please see Figures 1-3 The present invention provides a technical solution: a three-dimensional positioning anti-overheating vertical CNC machine tool, including a base 1 and a water tank 2 located on the upper surface of the base 1. The water tank 2 has a hollow structure. A circular carrying plate 3 for carrying materials is provided on the upper surface of the base 1. A spray washing component 4 for spraying water and blowing air on the materials is provided between the circular carrying plate 3 and the water tank 2.

[0029] In use, the material to be ground is placed on the circular carrier plate 3, and water is poured into the water tank 2. By setting up the spray washing component 4, water from the water tank 2 is drawn and sprayed onto the material while it is being ground, which can wash away the debris generated during the grinding process and cool the material with water at the same time. At the same time, air can be blown onto the material to accelerate the evaporation rate of the moisture on the surface of the material, thereby effectively improving the cooling speed of the material by the machine tool.

[0030] The spray washing assembly 4 includes a transverse pipe 41 connected to the water tank 2. A longitudinal pipe 42 is integrally formed at the end of the transverse pipe 41 away from the water tank 2. The transverse pipe 41 and the longitudinal pipe 42 are interconnected. A circular piston plate 43 is telescopically inserted into the upper end of the longitudinal pipe 42. A piston rod 44 is vertically fixed to the upper surface of the circular piston plate 43. A support rod 45 is vertically fixed to the upper end of the piston rod 44. The support rod 45 is driven by an external drive device. A first one-way valve 46 is installed inside the longitudinal pipe 42, located below the transverse pipe 41. A second one-way valve 47 is installed inside the pipe 41. A vertical rod 48 is vertically fixed to one end of the support rod 45 near the water tank 2. The vertical rod 48 is telescopically inserted into the top of the water tank 2. A water collection box 49 is attached to the inner wall of the water tank 2 near the horizontal pipe 41. The water collection box 49 is open on the side near the horizontal pipe 41. The water collection box 49 is fixedly connected to the lower end of the vertical rod 48. A water inlet hole is opened on the upper surface of the water collection box 49. An inclined pipe 421 is integrally provided at the lower end of the longitudinal pipe 42. The inclined pipe 421 is interconnected with the longitudinal pipe 42. A nozzle 422 is installed at one end of the inclined pipe 421.

[0031] The external driving device is a cylinder.

[0032] A water inlet is provided on one side of the surface of the water tank 2, and a ventilation hole is provided on the side of the water tank 2 near the water inlet. Both the water inlet and the ventilation hole are located above the horizontal pipe 41. A water level line is marked inside the water tank 2, and the water level line is located below the horizontal pipe 41.

[0033] During use, water is poured into the water tank 2 so that the water level is always kept below the horizontal pipe 41. The support rod 45 is driven to move back and forth in the vertical direction by the cylinder of the external drive device. When the support rod 45 moves upward, it can drive the piston rod 44 and the circular piston plate 43 fixed at one end of the piston rod 44 to move upward, so that negative pressure is formed in the longitudinal pipe 42 and the horizontal pipe 41. The horizontal pipe 41 draws in air from the water tank 2 through the second one-way valve 47.

[0034] At the same time, the support rod 45 can drive the vertical rod 48 and the water collection box 49 fixed at the lower end of the vertical rod 48 to move upward. Since the water collection box 49 is initially located at the bottom of the water tank 2, the water collection box 49 will be filled with water. When the water collection box 49 moves to one end of the horizontal pipe 41, the horizontal pipe 41 will suck in the water in the water collection box 49.

[0035] When the support rod 45 moves downward, it can drive the piston rod 44 and the circular piston plate 43 fixed at one end of the piston rod 44 to move downward as well, so that the nozzle 422 will first spray water from the longitudinal pipe 42 and then spray gas from the longitudinal pipe 42.

[0036] Example 2

[0037] Please see Figures 1-5 This embodiment further illustrates Example 1, wherein a grinding component 5 for grinding materials is provided above the base 1.

[0038] In use, by setting up the grinding component 5, the material can be ground while being sprayed with water and blown with air.

[0039] The grinding assembly 5 includes a linkage rod 51 fixedly connected to the lower end of the support rod 45. The lower end of the linkage rod 51 is fixedly connected to an arc-shaped grinding plate 52 for grinding materials. The arc-shaped grinding plate 52 is located above the circular carrier plate 3. A U-shaped connecting rod 53 is fixedly connected to one side of the surface of the base 1. An arc-shaped baffle 54 is fixedly connected to one end of the U-shaped connecting rod 53.

[0040] In use, the material to be polished is a cylinder. The material to be polished is placed on the circular carrier plate 3, so that the material is located between the arc-shaped baffle 54 and the arc-shaped polishing plate 52. The material is in contact with the arc-shaped baffle 54 and the arc-shaped polishing plate 52. When the support rod 45 moves back and forth in the vertical direction, it can drive the linkage rod 51 and the arc-shaped polishing plate 52 fixed at the lower end of the linkage rod 51 to move back and forth in the vertical direction, so that the arc-shaped polishing plate 52 polishes the material.

[0041] A column 11 is vertically fixed to the upper surface of the base 1. A circular carrier plate 3 is fitted onto the surface of the column 11 and is rotatably connected to the column 11. A rectangular block 55 arranged in a circular array is fixedly connected to the surface of the circular carrier plate 3. An L-shaped connecting rod 56 is fixedly connected to the surface of the arc-shaped baffle 54. A rectangular base plate 57 is fixedly connected to the lower end of the L-shaped connecting rod 56. A first pushing block 581 and a second pushing block 582 are fixed to the two ends of one diagonal of the rectangular base plate 57, respectively. The lower end of the first pushing block 581 is inclined, and the upper end of the second pushing block 582 is inclined. The inclination directions of the inclined surfaces of the first pushing block 581 and the second pushing block 582 are opposite.

[0042] In use, when the support rod 45 reciprocates vertically, it drives the L-shaped connecting rod 56 and the rectangular base plate 57 fixed to the lower end of the L-shaped connecting rod 56 to reciprocate vertically. The rectangular base plate 57 drives the first pushing block 581 and the second pushing block 582 fixed on its surface to reciprocate vertically. When the rectangular base plate 57, the first pushing block 581 and the second pushing block 582 move downward, the first pushing block 581 enters into two of the rectangular blocks 55, and the inclined surface of the first pushing block 581 pushes one of the rectangular blocks 55, causing the rectangular block 55 to rotate the circular carrier plate 3. When the rectangular base plate 57, the first pushing block 581 and the second pushing block 582 move upward, the second pushing block 582 enters into two of the rectangular blocks 55, and the inclined surface of the second pushing block 582 pushes one of the rectangular blocks 55, causing the rectangular block 55 to rotate the circular carrier plate 3. This allows the circular carrier plate 3 to rotate the material, enabling the material to be polished from all directions.

[0043] Example 3

[0044] Please see Figures 5-7 This embodiment further illustrates Example 2, wherein a swaying component 6 for driving the material to sway back and forth is provided above the circular carrier plate 3.

[0045] In use, by setting the shaking component 6, the circular carrier plate 3 can drive the material to shake while rotating, shaking off the debris and water on the surface of the material.

[0046] The swaying assembly 6 includes a triangular block 61 fixedly connected to the top of the column 11. A circular plate 62 is provided above the circular carrier plate 3. A circular groove 63 adapted to the triangular block 61 is opened on the lower surface of the circular plate 62. The triangular block 61 and the circular plate 62 are rotatably connected. A through hole 64 is opened in the triangular block 61. A limiting rod 65 is fixedly connected in the through hole 64. One end of the limiting rod 65 extends to the outside of the circular plate 62. A pushing rod 66 is vertically fixed on the upper surface of the circular carrier plate 3. The pushing rod 66 and the limiting rod 65 are in contact with each other. A spring 67 is fixedly connected to one end of the limiting rod 65. A movable rod 68 is fixedly connected to one end of the spring 67. The movable rod 68 is telescopically inserted into the through hole 64. One end of the movable rod 68 is in contact with the triangular block 61.

[0047] In use, the material to be ground is placed on the circular plate 62. When the circular carrier plate 3 rotates, it can drive the push rod 66, which is vertically fixed on its surface, to rotate as well. The push rod 66 will push the limit rod 65, thereby driving the circular plate 62 to rotate as well. The limit rod 65 can drive the spring 67 fixed at one end and the movable rod 68 fixed at one end of the spring 67 to rotate as well. When the movable rod 68 moves from one face of the triangular block 61 to another face, the circular plate 62 will produce a small amplitude reciprocating rotation, thereby throwing off the water stains and waste on the surface of the material.

[0048] Working principle: When using this three-dimensional positioning anti-overheating vertical CNC machine tool, the material to be polished is placed on the circular plate 62. The material to be polished is cylindrical, so that the material is located between the arc-shaped baffle 54 and the arc-shaped polishing plate 52. The material is in contact with the arc-shaped baffle 54 and the arc-shaped polishing plate 52.

[0049] The support rod 45 is driven to move back and forth in the vertical direction by the cylinder of the external drive device. The support rod 45 can drive the linkage rod 51 and the arc-shaped grinding plate 52 fixed at the lower end of the linkage rod 51 to move back and forth in the vertical direction, so that the arc-shaped grinding plate 52 can grind the material.

[0050] When the support rod 45 reciprocates vertically, it drives the L-shaped connecting rod 56 and the rectangular base plate 57 fixed to the lower end of the L-shaped connecting rod 56 to reciprocate vertically. The rectangular base plate 57 drives the first pushing block 581 and the second pushing block 582 fixed on its surface to reciprocate vertically. When the rectangular base plate 57, the first pushing block 581 and the second pushing block 582 move downward, the first pushing block 581 enters into two of the rectangular blocks 55, and the inclined surface of the first pushing block 581 pushes one of the rectangular blocks 55, causing the rectangular block 55 to rotate the circular carrier plate 3. When the rectangular base plate 57, the first pushing block 581 and the second pushing block 582 move upward, the second pushing block 582 enters into two of the rectangular blocks 55, and the inclined surface of the second pushing block 582 pushes one of the rectangular blocks 55, causing the rectangular block 55 to rotate the circular carrier plate 3.

[0051] When the circular carrier plate 3 rotates, it can drive the push rod 66, which is vertically fixed on its surface, to rotate as well. The push rod 66 will push the limit rod 65, thereby driving the circular plate 62 to rotate as well. The limit rod 65 can drive the spring 67 fixed at one end and the movable rod 68 fixed at one end of the spring 67 to rotate as well. When the movable rod 68 moves from one face of the triangular block 61 to another face, the circular plate 62 will produce a small-amplitude reciprocating rotation, thereby throwing off the water stains and waste on the surface of the material.

[0052] At the same time, the circular carrier plate 3 can drive the material to rotate, so that the material can be polished in all directions.

[0053] Water is poured into the water tank 2 so that the water level is always kept below the horizontal pipe 41. The support rod 45 is driven to move back and forth in the vertical direction by the cylinder of the external drive device. When the support rod 45 moves upward, it can drive the piston rod 44 and the circular piston plate 43 fixed at one end of the piston rod 44 to move upward, so that negative pressure is formed in the longitudinal pipe 42 and the horizontal pipe 41. The horizontal pipe 41 draws in air from the water tank 2 through the second one-way valve 47.

[0054] At the same time, the support rod 45 can drive the vertical rod 48 and the water collection box 49 fixed at the lower end of the vertical rod 48 to move upward. Since the water collection box 49 is initially located at the bottom of the water tank 2, the water collection box 49 will be filled with water. When the water collection box 49 moves to one end of the horizontal pipe 41, the horizontal pipe 41 will suck in the water in the water collection box 49.

[0055] When the support rod 45 moves downward, it can drive the piston rod 44 and the circular piston plate 43 fixed at one end of the piston rod 44 to move downward as well, so that the nozzle 422 will first spray water from the longitudinal pipe 42 and then spray gas from the longitudinal pipe 42.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional positioning anti-overheating vertical CNC machine tool, characterized in that: The system includes a base (1) and a water tank (2) located on the upper surface of the base (1). The water tank (2) is a hollow structure. A circular carrying plate (3) for carrying materials is provided on the upper surface of the base (1). A spray washing assembly (4) for spraying water and blowing air onto the materials is provided between the circular carrying plate (3) and the water tank (2). The spray washing assembly (4) includes a transverse pipe (41) that is connected to the water tank (2). A longitudinal pipe (42) is integrally provided at the end of the transverse pipe (41) away from the water tank (2). The transverse pipe (41) and the longitudinal pipe (42) are connected to each other. A circular piston plate (43) is telescopically inserted into the upper end of the longitudinal pipe (42). A piston rod (44) is vertically fixed on the upper surface of the circular piston plate (43). A support rod (45) is vertically fixed on the upper end of the piston rod (44). The support rod (45) is driven by an external drive device. The longitudinal pipe (42) is equipped with a first one-way valve (46), which is located below the transverse pipe (41). The transverse pipe (41) is equipped with a second one-way valve (47). The support rod (45) is vertically fixed with a vertical rod (48) at one end near the water tank (2). The vertical rod (48) is telescopically inserted into the top of the water tank (2). The inner wall of the water tank (2) near the transverse pipe (41) is fitted with a water collection box (49). The water collection box (49) is open on the side near the transverse pipe (41). The water collection box (49) is fixedly connected to the lower end of the vertical rod (48). The upper surface of the water collection box (49) is provided with a water inlet hole. The lower end of the longitudinal pipe (42) is integrally provided with an inclined pipe (421). The inclined pipe (421) is interconnected with the longitudinal pipe (42). One end of the inclined pipe (421) is equipped with a nozzle (422).

2. The three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 1, characterized in that: A grinding component (5) for grinding materials is provided above the base (1). The grinding component (5) includes a linkage rod (51) fixedly connected to the lower end of the support rod (45).

3. A three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 2, characterized in that: The lower end of the linkage rod (51) is fixedly connected to an arc-shaped grinding plate (52) for grinding materials. The arc-shaped grinding plate (52) is located above the circular carrier plate (3). A U-shaped connecting rod (53) is fixedly connected to one side of the surface of the base (1). An arc-shaped baffle (54) is fixedly connected to one end of the U-shaped connecting rod (53).

4. A three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 3, characterized in that: A column (11) is vertically fixed on the upper surface of the base (1). The circular carrier plate (3) is sleeved on the surface of the column (11) and is rotatably connected to the column (11). A rectangular block (55) arranged in a circular array is fixedly connected to the surface of the circular carrier plate (3). An L-shaped connecting rod (56) is fixedly connected to the surface of the arc-shaped baffle (54). A rectangular base plate (57) is fixedly connected to the lower end of the L-shaped connecting rod (56). A first pushing block (581) and a second pushing block (582) are fixed to the two ends of one of the diagonals of the rectangular base plate (57). The lower end of the first pushing block (581) is inclined, and the upper end of the second pushing block (582) is inclined. The inclination directions of the inclined surfaces of the first pushing block (581) and the second pushing block (582) are opposite.

5. A three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 4, characterized in that: The circular carrier plate (3) is provided with a swaying component (6) for driving the material to sway back and forth. The swaying component (6) includes a triangular block (61) fixedly connected to the top of the column (11).

6. A three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 5, characterized in that: A circular plate (62) is provided above the circular carrier plate (3). A circular groove (63) adapted to the triangular block (61) is opened on the lower surface of the circular plate (62). The triangular block (61) and the circular plate (62) are rotatably connected. A through hole (64) is opened in the triangular block (61). A limiting rod (65) is fixedly connected in the through hole (64). One end of the limiting rod (65) extends to the outside of the circular plate (62). A push rod (66) is vertically fixed on the upper surface of the circular carrier plate (3). The push rod (66) and the limiting rod (65) are in contact with each other. A spring (67) is fixedly connected to one end of the limiting rod (65). A movable rod (68) is fixedly connected to one end of the spring (67). The movable rod (68) is telescopically inserted into the through hole (64). One end of the movable rod (68) is in contact with the triangular block (61).

7. A three-dimensional positioning anti-overheating vertical CNC machine tool according to claim 1, characterized in that: The water tank (2) has an inlet hole on one side of its surface and a ventilation hole on the side of the water tank (2) near the inlet hole. Both the inlet hole and the ventilation hole are located above the horizontal pipe (41). The water tank (2) is marked with a water level line, which is located below the horizontal pipe (41).

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