Numerical control machine tool with automatic tool setting structure

Abstract

The invention relates to the technical field of numerical control machines, and provides a numerical control machine tool with an automatic tool setting structure, which comprises a numerical control machine tool and a control panel, control panels are installed on the two sides of the front end of the numerical control machine tool, a guide rail is fixedly installed in the numerical control machine tool, a guide base is installed at the top end of the guide rail, a lead screw is fixedly installed at the rear end of the guide rail, and the lead screw is sleeved with a screw sleeve. The top end of the screw sleeve is fixed to the top of the rear end of a guide seat, and a movable frame is installed at the top end of the guide seat. Through cooperative use of a movable block and a guide groove, when a cutter is replaced, a second rack drives a first gear to rotate, and when the first gear rotates, through cooperative use of the first gear and a second gear, the fixed seat on one side of the first rack is driven to move towards the other side, so that the cutter is indirectly driven to move, and when different cutters are replaced, the cutter replacement efficiency is improved. And the tool nose can still be aligned with the tool setting point of the workpiece subjected to tool setting, so that tool setting does not need to be carried out again when the tool is replaced, and the tool is more convenient to machine.

Description

Technical Field

[0001] The invention relates to the technical field of numerical control machines, and in particular to a numerical control machine tool provided with an automatic tool setting structure. Background Art

[0002] CNC machine tools, full name digital control machine tools, are automated machine tools equipped with a program control system. They control the machine tools through digital signals to achieve automatic processing of parts. CNC machine tools are widely used in the field of mechanical processing, especially in the processing of complex, precise, small batches and multiple varieties of parts. They can achieve milling, boring, drilling, turning, reaming, expanding holes, tapping and other processes, greatly improving production efficiency and processing accuracy;

[0003] CNC machine tools also need to perform tool setting before processing. Tool setting of CNC machine tools is an important step in establishing the relative position relationship between the workpiece and the machine tool in CNC processing. Its purpose is to ensure the unity of the programming coordinate origin and the processing coordinate origin, which directly affects the processing quality and efficiency of the parts. However, traditional CNC machine tools need to perform tool setting again when replacing tools of different specifications after tool setting is completed, which makes it more troublesome during processing. Therefore, a CNC machine tool with an automatic tool setting structure is needed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a CNC machine tool with an automatic tool setting structure to solve the defect that after the tool setting is completed, when the tool of different specifications is replaced, the existing CNC machine tools need to perform tool setting again, which makes the processing more troublesome.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a CNC machine tool with an automatic tool setting structure, comprising a CNC machine tool and a control panel; control panels are installed on both sides of the front end of the CNC machine tool, guide rails are fixedly installed inside the CNC machine tool, a guide seat is installed at the top of the guide rails, a screw rod is fixedly installed at the rear end of the guide rails, and the outer side of the screw rod is sleeved on the screw sleeve; the top of the screw sleeve is fixed to the top of the rear end of the guide seat, a moving frame is installed at the top of the guide seat, a tool setting assembly is installed at the top of the moving frame, a drive motor is installed inside one side of the CNC machine tool, a three-grip chuck is installed at the output end of the drive motor, a coolant tank is installed inside one side of the CNC machine tool, and a coolant tank is arranged inside one side of the CNC machine tool. There are auxiliary components, a collecting groove is opened inside the bottom of the CNC machine tool; a movable groove is opened on one side of the rear end of the CNC machine tool, and a water outlet is installed at the rear end of one side of the CNC machine tool; the tool setting component comprises a connecting plate, a fixed seat, a tool setting structure, a rotating rod, a sliding seat, a nut, a screw and a stop block; the connecting plate is installed on the top of the movable frame, the bottom end of the connecting plate is connected to the top of the screw sleeve inside the movable frame, the top of the connecting plate is movably installed with a fixed seat, the interior of the fixed seat is provided with a tool setting structure, a rotating rod is installed inside one end of one side of the fixed seat, and a stop block is movably installed at one end of the rotating rod, the sliding seat is installed at the top of the connecting plate at the rear end of the fixed seat, a screw is fixed at the rear end of the fixed seat, and a nut is sleeved on the outside of the screw.

[0006] Preferably, the tool setting structure includes a movable block, a positioning bolt, a guide groove, a first gear, a first rack, a second rack, a second gear and a spring, the guide groove is opened inside one side of the fixed seat, the movable block is installed inside the guide groove, the positioning bolt is installed at the top of one side of the fixed seat, springs are installed at both ends of one side of the movable block, the second rack is fixed to one side of the movable block, the first rack is fixed to one end of one side of the fixed seat, the first gear is movably installed on the top of the connecting plate at one end of the second rack, and the second gear is movably installed on one side of the first gear.

[0007] Preferably, two ends of the spring are fixed to one side inside the fixing seat and one side of the movable block respectively, and a telescopic structure is formed between the spring and the movable block.

[0008] Preferably, a plurality of teeth are provided on one side of the second rack, and the second rack is meshed with the first gear.

[0009] Preferably, one end of the rotating rod is inserted into an interior of one side of the cooling structure, and the rotating rod is threadedly connected to the cooling structure.

[0010] Preferably, the outer side of the screw is provided with an external thread, the inner side of the nut is provided with an internal thread, and a threaded connection is formed between the nut and the screw.

[0011] Preferably, the auxiliary component includes a fixed disc, a cooling structure, a connecting disc and a filtering structure, the fixed disc is fixed to the outside of the output shaft of the driving motor, a connecting disc is movably mounted on one side of the fixed disc, one end of the connecting disc is movably connected to one side inside the CNC machine tool, the other end of the connecting disc is provided with a cooling structure, and a filtering structure is provided at the top of the collecting tank.

[0012] Preferably, the cooling structure includes a belt pulley, a connecting belt, a cooling pipe, a water pump and an output disk, the belt pulley is installed at one end of the connecting disk, the water pump is installed at one side of the coolant tank, an output disk is installed on one side of the water pump, the belt pulley is connected to the output disk through the connecting belt, a cooling pipe is installed on the outside of the water pump, and the water inlet of the water pump is connected to the coolant tank.

[0013] Preferably, the filtering structure includes a connecting rod, a filter screen, a discharge trough, an eccentric wheel, a baffle plate and a collecting box, the connecting rod is installed on one side of the output disk, an eccentric wheel is fixed on the outer side of one end of the connecting rod, the filter screen is installed on the top of the collecting trough, the discharge trough is opened inside the CNC machine tool on one side of the collecting trough, one end of the filter screen is hinged to both sides of the discharge trough, baffle plates are fixed on both sides of the top of the filter screen, and the collecting box is installed inside the movable trough.

[0014] Preferably, two groups of baffle plates are provided, and the two groups of baffle plates are symmetrically distributed on the top of the filter screen.

[0015] The present invention provides a CNC machine tool with an automatic tool setting structure, which has the advantages of:

[0016] Through the coordinated use of the movable block and the guide groove, when the tool is replaced, the second rack drives the first gear to rotate, and the first gear cooperates with the second gear during rotation, thereby driving the fixed seat on one side of the first rack to move to the other side, thereby indirectly driving the tool to move, so that when different tools are replaced, the tool tip can still be aligned with the tool setting point of the workpiece after tool setting, so that it is unnecessary to re-set the tool when replacing the tool, making it more convenient during processing;

[0017] By using the filter, the debris in the coolant can be filtered so that the coolant can be recycled and reused, and by using the output disk, the eccentric wheel will be driven to rotate, thereby vibrating the filter. Since the filter is tilted to one side, the debris will be vibrated into the collection box, completing the collection of the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the front view three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the front cross-sectional three-dimensional structure of the present invention;

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure in a front view of the present invention;

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the rear view of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the automatic tool setting structure of the present invention;

[0023] Figure 6 It is a schematic diagram of a partial three-dimensional structure of the automatic tool setting structure of the present invention when viewed from above;

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the left side section of the present invention;

[0025] Figure 8 It is a right-side cross-sectional three-dimensional structural schematic diagram of the present invention;

[0026] Fig. 9 It is a schematic diagram of a partial three-dimensional structure of the auxiliary structure of the present invention;

[0027] Fig.10 It is a side view three-dimensional structure schematic diagram of the auxiliary structure of the present invention;

[0028] Fig.11 It is a bottom view structural schematic diagram of the present invention.

[0029] Explanation of the reference numerals in the figure: 1. CNC machine tool; 2. Control panel; 3. Guide rail; 4. Guide seat; 5. Moving frame; 6. Tool setting assembly; 61. Connecting plate; 62. Fixed seat; 63. Tool setting structure; 631. Movable block; 632. Positioning bolt; 633. Guide groove; 634. First gear; 635. First rack; 636. Second rack; 637. Second gear; 638. Spring; 64. Rotating rod; 65. Sliding seat; 66. Nut; 67. Screw; 68. Stop block; 7. Coolant tank ;8. Driving motor;9. Auxiliary components;91. Fixed disc;92. Cooling structure;921. Belt pulley;922. Connecting belt;923. Cooling pipe;924. Water pump;925. Output disc;93. Connecting disc;94. Filter structure;941. Connecting rod;942. Filter net;943. Discharge trough;944. Eccentric wheel;945. Blocking plate;946. Collecting box;10. Screw;11. Thread sleeve;12. Three-claw chuck;13. Collecting trough;14. Movable trough;15. Water outlet. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 11 The present invention provides a CNC machine tool with an automatic tool setting structure, comprising a CNC machine tool 1 and a control panel 2; the control panel 2 is installed on both sides of the front end of the CNC machine tool 1, a guide rail 3 is fixedly installed inside the CNC machine tool 1, a guide seat 4 is installed at the top of the guide rail 3, a screw rod 10 is fixedly installed at the rear end of the guide rail 3, and the outer side of the screw rod 10 is sleeved on a thread sleeve 11; the top of the thread sleeve 11 is fixed to the top of the rear end of the guide seat 4, a moving frame 5 is installed at the top of the guide seat 4, and a tool setting component 6 is installed at the top of the moving frame 5, a driving motor 8 is installed inside one side of the CNC machine tool 1, and a three-grip chuck 12 is installed at the output end of the driving motor 8, a coolant tank 7 is installed inside one side of the CNC machine tool 1, an auxiliary component 9 is arranged inside one side of the CNC machine tool 1, and a collecting tank is provided inside the bottom end of the CNC machine tool 1 13; A movable groove 14 is provided on one side of the rear end of the CNC machine tool 1, and a water outlet 15 is installed on the rear end of one side of the CNC machine tool 1. The tool setting assembly 6 includes a connecting plate 61, a fixed seat 62, a tool setting structure 63, a rotating rod 64, a slide seat 65, a nut 66, a screw 67 and a stop block 68. The connecting plate 61 is installed on the top of the movable frame 5, and the bottom end of the connecting plate 61 is connected to the top of the screw sleeve inside the movable frame 5. The top of the connecting plate 61 is movably installed with a fixed seat 62, and the interior of the fixed seat 62 is provided with a tool setting structure 63. A rotating rod 64 is installed inside one end of one side of the fixed seat 62, and a stop block 68 is movably installed on one end of the rotating rod 64. The slide seat 65 is installed on the top of the connecting plate 61 at the rear end of the fixed seat 62, and a screw 67 is fixed to the rear end of the fixed seat 62, and a nut 66 is sleeved on the outer side of the screw 67.

[0032] Specifically, in the present embodiment, when the CNC machine tool 1 is used to process the workpiece, it is first necessary to perform tool alignment to determine the processing data. In tool alignment, the workpiece is first fixed on the three-claw chuck 12. After the fixation is completed, the tool is placed inside the fixed seat 62. After the placement is completed, the rotating rod 64 is rotated. With the cooperation between the rotating rod 64 and the fixed seat 62, the abutment 68 is pushed to move to one side and abut against one side of the tool to complete the fixation. After the tool is fixed, the external power supply starts the motor on one side of the screw rod 10 to drive the screw rod 10 to rotate. When the screw rod 10 rotates, it will drive the guide seat 4 to move on the guide rail 3 through the cooperation with the wire sleeve 11, so that the tip of the tool touches one side of the workpiece, and the coordinate of the X-axis of the workpiece is determined. Then, the height adjustment component inside the guide seat 4 is started to adjust the height of the tool to determine the coordinate of the Z-axis. Finally, the external power supply starts the internal screw of the mobile frame 5, and the position of the Y-axis of the tool is adjusted through the cooperation of the screw rod and the screw sleeve, so as to determine the coordinate of the Y-axis of the tool and complete the tool alignment.

[0033] Reference Figure 1 and Figure 1 As shown, the knife setting structure 63 includes a movable block 631, a positioning bolt 632, a guide groove 633, a first gear 634, a first rack 635, a second rack 636, a second gear 637 and a spring 638. The guide groove 633 is arranged inside one side of the fixed seat 62, and the movable block 631 is installed inside the guide groove 633. The top of one side of the fixed seat 62 is installed with a positioning bolt 632. The two ends of one side of the movable block 631 are installed with a spring 638. One side of the movable block 631 is fixed with a second rack 636. One end of one side of the fixed seat 62 is fixed with a first rack 635. The top of one end of the second rack 636 is movably installed with a second rack 636. A gear 634, a second gear 637 is movably installed on one side of the first gear 634, two ends of the spring 638 are respectively fixed to one side inside the fixed seat 62 and one side of the movable block 631, a telescopic structure is formed between the spring 638 and the movable block 631, a plurality of teeth are arranged on one side of the second rack 636, the second rack 636 is meshed with the first gear 634, one end of the rotating rod 64 is inserted into the inside of one side of the cooling structure 92, the rotating rod 64 is threadedly connected with the cooling structure 92, an outer side of the screw 67 is provided with an external thread, an inner side of the nut 66 is provided with an internal thread, and a threaded connection is formed between the nut 66 and the screw 67.

[0034] Specifically, in the present embodiment, when different tools are replaced during processing, when a tool with a larger specification needs to be replaced, the original tool is removed. Before the original tool is removed, the positioning bolt 632 is rotated so that its bottom end is against the top of the movable block 63 to position the movable block 63. When a tool with a larger specification is replaced, one side of the bottom end of the tool with the larger specification is first against one side of the movable block 631, and then the positioning bolt 632 is loosened and pressed down with force to completely install the tool with the larger specification into the interior of the fixed seat 62. At this time, the initial tool specification is compared to 2, and the tool tip position is centered at position 1. After the tool alignment is completed, the tool tip is aligned with the origin of one side of the workpiece. When a tool with specification 3 is replaced, the tool tip is centered at position 1.5. If you want the tool tip 1.5 to be aligned with the position of tool tip 1, the fixed seat 62 needs to be moved 0.5 positions to the other side. At this time, the tool with specification 3 will have a difference of 1 position more than one side of the tool with specification 2. When the tool with specification 3 is squeezed into the interior of the fixed seat 62, one side of the tool with specification 3 will squeeze the movable The movable block 631 moves inside the guide groove 633. When the movable block 631 moves, it drives the second rack 636 to move to one side by a distance of 1. When the second rack 636 moves, it drives the first gear 634 to rotate. When the first gear 634 rotates, it drives the first rack 635 to move to the other side through the cooperation with the second gear 637, thereby pushing the fixed seat 62 to slide to the other side on the connecting plate 61. Since the gear ratio of the first gear 634 and the first rack 635 is 1:2, the first gear When the wheel 634 rotates one circle, the second gear 637 rotates half a circle, so that the second rack 636 moves to one side by a difference of 1 position, and the first rack 635 pushes the fixed seat 62 to move to the other side by a position of 0.5, thereby compensating the 0.5 distance between the tool tip position of 1.5 and the tool tip position of 1, so that when replacing a tool with a larger specification, the tool tip can still be aligned with the origin of one side of the workpiece after the tool setting is completed, realizing automatic tool setting, and there is no need to re-perform a tool setting work when changing tools;

[0035] When replacing a tool with a smaller specification, rotate the positioning bolt 632 to position the bottom end of the movable block 631, then release the stop block 68, take out the tool with specification 2, and install one side of the tool with specification 1 against the inner side of the fixed seat 62. At this time, the tip position of the tool with specification 1 is 0.5, and the tip of the tool with specification 2 is 1 with a difference of 0.5. Since the tip of the tool with specification 2 is aligned with the origin of the workpiece, when the tool with specification 1 is installed, the position of its tip and the origin of one side of the workpiece differs by 0.5. At this time, the difference between the tool with specification 2 and one side of the tool with specification 1 is 1. After the tool with specification 1 is placed, release the positioning bolt 632. At this time, the movable block 631 will move to the other side by a difference of 1 under the action of the spring 638. The movable block 631 is fitted on one side of the tool with specification 1. When the second rack 636 moves to the other side by a difference of 1, the fixed seat 62 on one side of the first rack 635 is driven to move to one side by a position of 0.5 with the cooperation of the first gear 634 and the second gear 637, and indirectly makes the tool tip of the tool with specification 1 automatically move to one side by a position of 0.5, which will make up for the difference of 0.5 between the tool tip of the tool with specification 1 and the origin of one side of the workpiece, and align it to achieve that no matter when replacing tools of different sizes, it will automatically align with the origin of the workpiece where the initial tool alignment is completed, thereby completing the work of automatic tool alignment when changing the tool, and the fixed seat 62 can be fixed by rotating the nut 66 on the screw 67 so that it will not move around during processing.

[0036] Reference Figure 1 and Figure 1As shown: the auxiliary component 9 includes a fixed disc 91, a cooling structure 92, a connecting disc 93 and a filtering structure 94. The fixed disc 91 is fixed to the outer side of the output shaft of the driving motor 8. A connecting disc 93 is movably installed on one side of the fixed disc 91. One end of the connecting disc 93 is movably connected to one side inside the CNC machine tool 1. The other end of the connecting disc 93 is provided with a cooling structure 92. The top of the collecting tank 13 is provided with a filtering structure 94. The cooling structure 92 includes a belt pulley 921, a connecting belt 922, a cooling pipe 923, a water pump 924 and an output disc 925. The belt pulley 921 is installed at one end of the connecting disc 93. The water pump 924 is installed on one side of the coolant tank 7. An output disc 925 is installed on one side of the water pump 924. The belt pulley 921 is connected to the output disc 925 through the connecting belt 922. The water pump 92 4 is provided with a cooling pipe 923, a water inlet of a water pump 924 is connected with a coolant tank 7, a filtering structure 94 comprises a connecting rod 941, a filter screen 942, a discharge trough 943, an eccentric wheel 944, a baffle plate 945 and a collecting box 946, the connecting rod 941 is provided at one side of the output disk 925, an eccentric wheel 944 is fixed at the outer side of one end of the connecting rod 941, the filter screen 942 is provided at the top of the collecting trough 13, the discharge trough 943 is provided inside the CNC machine tool 1 at one side of the collecting trough 13, one end of the filter screen 942 is hinged with both sides of the discharge trough 943, baffle plates 945 are fixed at both sides of the top of the filter screen 942, a collecting box 946 is provided inside the movable trough 14, two groups of baffle plates 945 are provided, and the two groups of baffle plates 945 are symmetrically distributed at the top of the filter screen 942.

[0037] Specifically, in the present embodiment, when the driving motor 8 is started to drive the workpiece to rotate for processing, the driving motor 8 will drive the connecting disk 93 to rotate through the fixed disk 91, the connecting disk 93 will drive the rotating belt pulley 921 to rotate, the belt pulley 921 will drive the output disk 925 to rotate through the connecting belt 922 when rotating, the output disk 925 will drive the impeller inside the water pump 924 to rotate to generate suction, suck the coolant inside the coolant tank 7 away, and spray it out through the cooling pipe 923 to cool the workpiece, so that the coolant will be sprayed only during processing to perform cooling work, so that there is no need to This may easily lead to a waste of coolant, and the processed chips and coolant may fall into the collection tank 13. At this time, the filter 942 may be used to filter the chips in the coolant so that the coolant can be recycled and reused. When the filter 942 is filtering, the output disk 925 may also drive the eccentric wheel 944 to rotate through the connecting rod 941, thereby vibrating the filter 942. Since the filter 942 is tilted to one side, the chips may be vibrated into the collection box 946 to complete the collection of the chips, thereby completing the filtering of the coolant and the collection of the chips.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A numerically controlled machine tool provided with an automatic tool setting structure, comprising a numerically controlled machine tool (1) and a control panel (2); Features: Control panels (2) are installed on both sides of the front end of the CNC machine tool (1); a guide rail (3) is fixedly installed inside the CNC machine tool (1); a guide seat (4) is installed at the top of the guide rail (3); a screw rod (10) is fixedly installed at the rear end of the guide rail (3); and the outer side of the screw rod (10) is sleeved on a thread sleeve (11); The top end of the wire sleeve (11) is fixed to the top of the rear end of the guide seat (4); a moving frame (5) is installed on the top end of the guide seat (4); a tool setting assembly (6) is installed on the top end of the moving frame (5); a driving motor (8) is installed inside one side of the CNC machine tool (1); a three-grip chuck (12) is installed at the output end of the driving motor (8); a coolant tank (7) is installed inside one side of the CNC machine tool (1); an auxiliary assembly (9) is arranged inside one side of the CNC machine tool (1); and a collecting tank (13) is provided inside the bottom end of the CNC machine tool (1); A movable groove (14) is provided on one side of the rear end of the numerically controlled machine tool (1), a water outlet (15) is installed on the rear end of one side of the numerically controlled machine tool (1), and the tool setting assembly (6) includes a connecting plate (61), a fixed seat (62), a tool setting structure (63), a rotating rod (64), a sliding seat (65), a nut (66), a screw rod (67) and a stop block (68), wherein the connecting plate (61) is installed at the top end of the moving frame (5), the bottom end of the connecting plate (61) is connected to the top end of the screw sleeve inside the moving frame (5), the top end of the connecting plate (61) is movably installed with a fixed seat (62), and the fixed seat A knife-setting structure (63) is arranged inside (62), a rotating rod (64) is installed inside one end of one side of the fixed seat (62), a stop block (68) is movably installed at one end of the rotating rod (64), the sliding seat (65) is installed on the top end of the rear end connecting plate (61) of the fixed seat (62), a screw rod (67) is fixed at the rear end of the fixed seat (62), and a nut (66) is sleeved on the outer side of the screw rod (67).

2. A CNC machine tool with an automatic tool setting structure according to claim 1, characterized in that: The knife setting structure (63) comprises a movable block (631), a positioning bolt (632), a guide groove (633), a first gear (634), a first rack (635), a second rack (636), a second gear (637) and a spring (638); the guide groove (633) is arranged inside one side of the fixed seat (62); the movable block (631) is installed inside the guide groove (633); the positioning bolt (632) is installed at the top end of one side of the fixed seat (62); the springs (638) are installed at both ends of one side of the movable block (631); the second rack (636) is fixed to one side of the movable block (631); the first rack (635) is fixed to one end of one side of the fixed seat (62); the first gear (634) is movably installed at the top end of the connecting plate (61) at one end of the second rack (636); and the second gear (637) is movably installed on one side of the first gear (634).

3. A CNC machine tool with an automatic tool setting structure according to claim 2, characterized in that: The two ends of the spring (638) are respectively fixed to one side inside the fixed seat (62) and one side of the movable block (631), and a telescopic structure is formed between the spring (638) and the movable block (631).

4. A CNC machine tool with an automatic tool setting structure according to claim 2, characterized in that: A plurality of teeth are provided on one side of the second rack (636), and the second rack (636) is meshed with the first gear (634).

5. The CNC machine tool with an automatic tool setting structure according to claim 2, characterized in that: One end of the rotating rod (64) is inserted into the interior of one side of the cooling structure (92), and the rotating rod (64) and the cooling structure (92) are threadedly connected.

6. The CNC machine tool with an automatic tool setting structure according to claim 1, characterized in that: The outer side of the screw rod (67) is provided with an external thread, and the inner side of the nut (66) is provided with an internal thread, so that a threaded connection is formed between the nut (66) and the screw rod (67).

7. The CNC machine tool with an automatic tool setting structure according to claim 1, characterized in that: The auxiliary component (9) comprises a fixed disc (91), a cooling structure (92), a connecting disc (93) and a filtering structure (94); the fixed disc (91) is fixed to the outside of the output shaft of the driving motor (8); a connecting disc (93) is movably mounted on one side of the fixed disc (91); one end of the connecting disc (93) is movably connected to one side inside the numerical control machine tool (1); the other end of the connecting disc (93) is provided with the cooling structure (92); and the top end of the collecting tank (13) is provided with the filtering structure (94).

8. A CNC machine tool with an automatic tool setting structure according to claim 7, characterized in that: The cooling structure (92) comprises a belt pulley (921), a connecting belt (922), a cooling pipe (923), a water pump (924) and an output disk (925); the belt pulley (921) is mounted on one end of the connecting disk (93); the water pump (924) is mounted on one side of a coolant tank (7); an output disk (925) is mounted on one side of the water pump (924); the belt pulley (921) is connected to the output disk (925) via a connecting belt (922); a cooling pipe (923) is mounted on the outside of the water pump (924); and a water inlet of the water pump (924) is connected to the coolant tank (7).

9. The CNC machine tool with an automatic tool setting structure according to claim 7, characterized in that: The filtering structure (94) comprises a connecting rod (941), a filter screen (942), a discharge trough (943), an eccentric wheel (944), a baffle plate (945) and a collection box (946); the connecting rod (941) is mounted on one side of the output disk (925); an eccentric wheel (944) is fixed on the outer side of one end of the connecting rod (941); the filter screen (942) is mounted on the top of the collection trough (13); the discharge trough (943) is opened inside the CNC machine tool (1) on one side of the collection trough (13); one end of the filter screen (942) is hinged to both sides of the discharge trough (943); baffle plates (945) are fixed on both sides of the top of the filter screen (942); and the collection box (946) is mounted inside the movable trough (14).

10. A CNC machine tool with an automatic tool setting structure according to claim 9, characterized in that: Two groups of the baffle plates (945) are provided, and the two groups of the baffle plates (945) are symmetrically distributed on the top of the filter screen (942).

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