Numerically-controlled machine tool with cutter convenient to replace

Abstract

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool convenient for replacing cutters, which comprises a machine tool frame, a driving mechanism arranged in the machine tool frame, a cutter box arranged on the side edge of the driving mechanism, a switching mechanism arranged at the joint of the cutter box and the driving mechanism, and clamping mechanisms arranged at two ends of the switching mechanism, a limiting assembly is arranged on the inner side of the machine tool frame and comprises a frame arranged on the inner wall of the machine tool frame, a frame body is designed to be in a U shape, a lower tooth block is fixedly connected to the lower portion of the outer surface of the frame, and an upper tooth block is fixedly connected to the upper portion of the outer surface of the frame. According to the device, the limiting assembly is arranged on the tool conversion motion path, the clamping mechanism is driven to swing in the mode that an upper tooth block and a lower tooth block are meshed in a staggered mode, chippings are forced to fall off by means of the swing force, and the effect of removing the chippings attached to the outer surface of a tool bit is achieved.

Description

Technical Field

[0001] This invention relates to the field of CNC machine tool technology, and more specifically, to a CNC machine tool that facilitates tool replacement. Background Technology

[0002] CNC machine tools are automated machine tools that use computer programs to control mechanical motion and machining processes. Their core consists of a CNC system, servo motors, and the machine tool body. They achieve high-precision, high-efficiency production through program instructions such as code, and can adapt to the flexible machining of complex parts. CNC machine tools have a wide machining range, therefore they are equipped with a large number of cutting tools, which typically need to be changed during the machining process according to the actual machining conditions. A search revealed a CNC machine tool with easy tool replacement disclosed in publication number CN116533035A. The tool includes a machine base, a guide rail fixedly connected to the upper side of the machine base, a sliding seat slidably connected to the guide rail, a frame fixedly connected to the upper side of the sliding seat, a tool holder mounted on the frame, and a tool mechanism fixedly connected to the outer wall of the tool holder. The tool mechanism includes a tool replacement device and a blowing assembly. This CNC machine tool, through the use of the tool replacement device, allows the sliding plate to slide by pressing a lever, compressing a return spring, moving a crossbar towards the tool, and causing the sliding rod to move. This causes the connecting block to compress the spring, moving the wedge block away from the tool body's slot, thus disassembling the tool body. The operation is convenient, allowing for quick disassembly of the tool body, facilitating tool body installation and replacement, reducing tool replacement time, and improving work efficiency.

[0003] The aforementioned patent still has shortcomings in practical use. During the processing, it is necessary to replace the cutting tool, and the replaced cutting tool is temporarily stored in the tool box. Since the outer surface of the cutting tool is prone to adhering to debris during the processing, when the cutting tool is replaced, the cutting tool with debris is replaced into the tool box. When the tool box is running, the debris is easy to fall into the gap between the cutting head and the tool barrel, causing the collet to deform when the cutting head is replaced later, affecting the stability of the connection between the cutting head and the tool barrel.

[0004] Based on this, the present invention discloses a CNC machine tool that facilitates tool replacement. Summary of the Invention

[0005] To address the problem mentioned in the background art where, during tool changing, the removed tool has debris adhering to its outer surface, which, when stored in the tool box, easily falls into the collet gap between the tool head and the tool barrel during operation, causing collet deformation during subsequent tool changes and affecting connection stability, this invention provides a CNC machine tool that facilitates tool changing. The machine tool includes a machine frame, a drive mechanism housed inside the machine frame, a tool box located on the side of the drive mechanism, a conversion mechanism at the connection between the tool box and the drive mechanism, and clamping mechanisms at both ends of the conversion mechanism. Because the outer surface of the cutting tool tip will be covered with debris after machining, it is easy for the debris to fall into the gap between the cutting tool tip and the tool barrel after tool changing, causing the collet to deform during subsequent tool tip changes. In order to remove the debris adsorbed on the outer surface of the cutting tool tip and ensure that the cutting tool is neatly returned to the tool box, the cutting tool tip needs to be cleaned when changing the cutting tool. This technical solution adopts a limit component set on the inner side of the machine tool frame. The limit component is linked to the conversion mechanism, which can remove the debris adhering to the outer surface of the cutting tool tip when the conversion mechanism is running. The limiting component includes a frame set on the inner wall of the machine tool frame. The main body of the frame is designed in a U-shape. A lower tooth block is fixedly connected to the lower part of the outer surface of the frame, and an upper tooth block is fixedly connected to the upper part of the outer surface of the frame. The conversion mechanism and the clamping mechanism are connected by a damping rotating shaft. A bevel gear is fixedly sleeved on the outer surface of the damping rotating shaft. As a further improvement to this technical solution, a swing component is provided inside the frame, a cleaning component is provided at the bottom of the frame, a vibration component is provided at the top of the frame, and a protective component is provided on the side of the frame.

[0006] As a further improvement to this technical solution, three lower tooth blocks are provided, and two upper tooth blocks are provided. The number of teeth of the three lower tooth blocks is the same as the number of teeth of the two upper tooth blocks. The upper tooth blocks and lower tooth blocks are staggered, and their centers coincide with the center of the conversion mechanism, ensuring that the bevel gear can mesh with the upper and lower tooth blocks in an alternating manner during the rotation of the conversion mechanism.

[0007] Based on this, since both the debris and the blade are metal, their adhesion may be due to magnetic or electrostatic attraction. In order to better remove debris from the outer surface of the blade; As a further improvement to this technical solution, the swing assembly includes a motor fixedly installed in the middle of the frame, a turntable fixedly connected to the drive end of the motor, and a lever fixedly connected to the outer surface of the turntable near the edge.

[0008] As a further improvement to this technical solution, a central rod is rotatably connected to the outer surface of the frame, and a swing rod is fixedly connected to the end of the central rod away from the frame. A strip groove is opened through the outer surface of the swing rod, and the lever is slidably engaged inside the strip groove.

[0009] As a further improvement to this technical solution, the cleaning component includes a connecting rod fixedly connected to the lower part of the outer surface of the swing arm. A frame is fixedly connected to the end of the connecting rod away from the swing arm. The frame is designed to be arc-shaped, and brush bristles are evenly distributed on both inner walls of the frame, with the brush bristles tilted upwards.

[0010] As a further improvement to this technical solution, the lower surface of the frame is open, and a magnetic piece is provided inside the opening. A roller is provided on the upper surface of the frame, and the lower surface of the frame abuts against the outer surface of the roller. The roller is used to support the frame and reduce the friction of the frame during movement.

[0011] In another solution, since the chips will fly everywhere when the tool is machining the workpiece, the chips may stick to the collet at the connection between the lower surface of the tool barrel and the tool head. In order to prevent the chips on the outer surface of the collet from getting stuck and not falling off, and to ensure that the chips fall off smoothly. As a further improvement to this technical solution, the vibration assembly includes a vertical rod that is movably inserted through the upper surface of the frame. The top end of the vertical rod is fixedly connected to a top frame, and the top frame connects to four vertical rods. The bottom ends of the four vertical rods are fixedly connected to rubber plates.

[0012] As a further improvement to this technical solution, a crossbar is fixedly connected to the side of the top frame, and a pull rod is rotatably connected to the end of the crossbar away from the top frame. The bottom end of the pull rod is movably connected to the upper part of the outer surface of the swing arm.

[0013] Furthermore, since the cutting tools need to be stored in the tool box after use, the protective layer on the outer surface of the cutting tool will disappear after processing. In order to ensure that the cutting tools are not easily corroded during storage; As a further improvement to this technical solution, the protective component includes an extension plate fixedly connected to the side of the frame. A rotating shaft is rotatably connected to the upper surface of the extension plate. An elastic block is fixedly connected to the top of the rotating shaft. A solid anti-rust wax is fixedly sleeved on the outer surface of the elastic block. The solid anti-rust wax is symmetrically arranged along the edge line of the extension plate.

[0014] As a further improvement to this technical solution, the lower part of the drive mechanism is provided with a cutting tool, and the inside of the tool box contains various types of cutting tools. The cutting tool to be used is moved to the lower part of the tool box, and the drive mechanism is located at the center of two cutting tools.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In this type of CNC machine tool that facilitates tool changing, a limiting component is set on the motion path of tool change. The upper and lower tooth blocks are interlocked to drive the clamping mechanism to swing. The force of the swing forces the chips to fall off, thereby removing the chips attached to the outer surface of the tool head. At the same time, in conjunction with the vibration component on the upper part of the frame, the flexible collision force is used to force the chips on the outer surface of the tool to loosen and fall off, further improving the effect of removing chips from the outer surface of the tool.

[0016] 2. In this type of CNC machine tool that facilitates tool replacement, a cleaning component is added during the tool swinging process. Driven by the swinging component, the cleaning component can reciprocate to clean the outer surface of the tool head. The debris on the outer surface of the tool head will be loosened by the brush bristles, and the magnetic sheet at the bottom of the frame will be used to attract the debris, effectively removing the debris attached to the outer surface of the tool head.

[0017] 3. In this type of CNC machine tool that facilitates tool replacement, a protective component is set on the path after tool cleaning, and a replaceable solid anti-rust wax is installed. Under the action of friction, the solid anti-rust wax rotates and waxes the outer surface of the tool head, thus protecting the tool head from rust and improving the storage and protection effect of the tool. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a bottom view of the internal structure of the machine tool frame of the present invention; Figure 3 This is a schematic diagram of the conversion mechanism of the present invention; Figure 4 This is a schematic diagram of the limiting component of the present invention; Figure 5 This is a schematic diagram of the framework and its connections of the present invention; Figure 6 This is a schematic diagram of the structure of the swing assembly and the cleaning assembly of the present invention in cooperation; Figure 7 This is a schematic diagram of the cleaning component of the present invention; Figure 8 This is a schematic diagram of the structure of the oscillating component and the vibration component of the present invention. Figure 9 This is a schematic diagram of the protective component of the present invention.

[0019] The meanings of the labels in the diagram are as follows: 1. Machine tool frame; 2. Drive mechanism; 3. Tool box; 4. Conversion mechanism; 5. Clamping mechanism; 6. Limiting assembly; 7. Swinging assembly; 8. Cleaning assembly; 9. Vibration assembly; 10. Protective assembly; 61. Frame; 62. Lower gear block; 63. Upper gear block; 64. Bevel gear; 71. Motor; 72. Turntable; 73. Pulley; 74. Center rod; 75. Swing rod; 76. Slot; 81. Connecting rod; 82. Frame; 83. Brush bristles; 84. Magnetic sheet; 85. Roller; 91. Vertical bar; 92. Top frame; 93. Horizontal bar; 94. Tie bar; 95. Rubber sheet; 101. Extension plate; 102. Rotating shaft; 103. Elastic locking block; 104. Solid anti-rust wax. Detailed Implementation

[0020] 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.

[0021] In existing machining, when changing tools, the removed tools have debris adhering to their outer surface. After being stored in the tool box 3, the debris easily falls into the gap between the tool head and the tool barrel during operation, causing the collet to deform during subsequent tool head changes and affecting the connection stability.

[0022] Therefore, the present invention provides a CNC machine tool that facilitates tool replacement, see [link to relevant documentation]. Figures 1 to 3 As shown, it includes a machine tool frame 1, a drive mechanism 2 is installed inside the machine tool frame 1, a tool box 3 is installed on the side of the drive mechanism 2, a conversion mechanism 4 is installed at the connection between the tool box 3 and the drive mechanism 2, clamping mechanisms 5 are installed at both ends of the conversion mechanism 4, a cutting tool is installed at the lower part of the drive mechanism 2, and various types of cutting tools are distributed inside the tool box 3, and the cutting tool to be used will be moved to the lower part of the tool box 3. The drive mechanism 2 is located at the center of the two cutting tools. During operation, the drive mechanism 2 drives the tool mounted below it to process the workpiece. When a tool change is required, the drive mechanism 2 stops running, and the conversion mechanism 4 rotates 90 degrees, so that the clamping mechanisms 5 at both ends clamp the tool below the drive mechanism 2 and the tool box 3 respectively. Then, the conversion mechanism 4 pushes downward, causing the tools at both ends to move out of the drive mechanism 2 and the tool box 3 respectively. Then, the conversion mechanism 4 rotates 180 degrees to switch the positions of the two tools. Then it pushes upward again to install the two tools. Finally, the clamping mechanism 5 releases the tool, and the conversion mechanism 4 rotates 90 degrees again to avoid interfering with the operation of the tool. The tool box 3 will retract the tool and transfer the tool to be used next to the lower part. In this way, the tool change is automatically achieved, which greatly improves the automation and intelligence of CNC machine tools and increases the production efficiency of workpieces. The conversion mechanism 4 and the clamping mechanism 5 are existing technologies well known to those skilled in the art and will not be described in detail here.

[0023] Further, see Figures 2 to 5 As shown, after machining, the outer surface of the tool head will be covered with debris, which is easy to fall into the gap between the tool head and the tool barrel after tool replacement, causing the collet to deform during subsequent tool head replacement. In order to remove the debris adsorbed on the outer surface of the tool head and ensure that the tool is neatly returned to the tool box 3, the tool head needs to be cleaned when replacing the tool. This application adopts a limit component 6 set on the inner side of the machine tool frame 1. The limit component 6 is linked to the conversion mechanism 4, which has the effect of removing the debris adsorbed on the outer surface of the tool head when the conversion mechanism 4 is running. Specifically, the limiting component 6 includes a frame 61 set on the inner wall of the machine tool frame 1. The main body of the frame 61 is designed as a U-shape. A lower toothed block 62 is fixedly connected to the lower part of the outer surface of the frame 61, and an upper toothed block 63 is fixedly connected to the upper part of the outer surface of the frame 61. The conversion mechanism 4 and the clamping mechanism 5 are connected by a damping shaft 102. A bevel gear 64 is fixedly sleeved on the outer surface of the damping shaft 102. There are three lower toothed blocks 62 and two upper toothed blocks 63. The number of teeth of the three lower toothed blocks 62 is the same as the number of teeth of the two upper toothed blocks 63. The upper toothed blocks 63 and the lower toothed blocks 62 are staggered, and their centers coincide with the center of the conversion mechanism 4, ensuring that the bevel gear 64 can mesh with the upper toothed blocks 63 and the lower toothed blocks 62 in an alternating manner during the rotation of the conversion mechanism 4.

[0024] During operation, when the conversion mechanism 4 drives the cutter to rotate, when the cutter moves to the position of the frame 61, the bevel gear 64 will first mesh with the lower tooth block 62. Under the limit of the lower tooth block 62, the bevel gear 64 will be driven to rotate in the opposite direction, driving the clamping mechanism 5 and the cutter to rotate. After the bevel gear 64 passes the first lower tooth block 62, it will immediately mesh with the first upper tooth block 63. Under the limit of the upper tooth block 63, the bevel gear 64 and the cutter will be driven to rotate in the forward direction. Then, after the bevel gear 64 passes the first upper tooth block 63, it will immediately mesh with the second lower tooth block 62. In this way, the bevel gear 64 will continuously rotate in both directions, achieving the effect of driving the cutter to swing back and forth. The force and inertia of the swing will force the debris to fall off, achieving the effect of removing the debris attached to the outer surface of the cutter head. Since the number of teeth of the three lower tooth blocks 62 is the same as the number of teeth of the two upper tooth blocks 63, after passing the three lower tooth blocks 62 and the two upper tooth blocks 63, the cutter will return to the vertical downward position, which is convenient for subsequent cutter replacement.

[0025] Further, see Figures 2 to 7 As shown, since both the debris and the cutting head are metal, their adhesion may be due to magnetic or electrostatic attraction. In order to better remove debris from the outer surface of the cutting head, this application uses a swing component 7 inside the frame 61 and a cleaning component 8 at the bottom of the frame 61. The swing component 7 drives the cleaning component 8 to run. When the conversion mechanism 4 moves the cutting tool, the cutting head is cleaned, thereby improving the effect of removing debris. Specifically, the swing assembly 7 includes a motor 71 fixedly installed in the middle of the frame 61, a turntable 72 fixedly connected to the drive end of the motor 71, a lever 73 fixedly connected to the outer surface of the turntable 72 near the edge, a central rod 74 rotatably connected to the outer surface of the frame 61, a swing rod 75 fixedly connected to the end of the central rod 74 away from the frame 61, a strip groove 76 penetrating the outer surface of the swing rod 75, and the lever 73 slidingly engaging inside the strip groove 76. Secondly, the cleaning component 8 includes a connecting rod 81 fixedly connected to the lower part of the outer surface of the swing arm 75. The end of the connecting rod 81 away from the swing arm 75 is fixedly connected to a frame shell 82. The frame shell 82 is designed to be arc-shaped. Brush bristles 83 are evenly distributed on both sides of the inner wall of the frame shell 82. The brush bristles 83 are inclined upward. The lower surface of the frame shell 82 is open, and a magnet 84 is provided inside the opening. A roller 85 is provided on the upper surface of the frame 61. The lower surface of the frame shell 82 abuts against the outer surface of the roller 85. The roller 85 supports the frame 61 and reduces the friction of the frame 61 during movement. During operation, when the conversion mechanism 4 drives the cutter into the frame 61, the motor 71 starts and drives the turntable 72 to rotate. During the rotation of the turntable 72, the lever 73 will move in a circular motion around the center of the turntable 72. Since the lever 73 is engaged in the strip groove 76 on the outer surface of the swing arm 75, the lever 73 will slide inside the strip groove 76 during the movement, and will drive the swing arm 75 to swing back and forth around the central rod 74. The bottom of the swing will drive the frame 82 to swing along with it through the connecting rod 81. Since the frame 82 is located on the running path of the cutter, the bristles 83 of the frame 82 will brush the cutter head back and forth during the swing. The debris on the outer surface of the cutter head will be loosened by the brush 83. The magnetic piece 84 at the bottom of the frame 82 will be used to attract the debris, effectively removing the debris attached to the outer surface of the cutter head and ensuring the cleanliness of the cutter head.

[0026] Further, see Figure 6 and Figure 8 As shown, when the tool is processing the workpiece, the chips will fly everywhere and may stick to the collet at the connection between the lower surface of the tool barrel and the tool head. In order to prevent the chips on the outer surface of the collet from getting stuck and not falling off easily, and to ensure that the chips fall off smoothly, this application provides a vibration component 9 on the upper part of the frame 61. The vibration component 9 is linked with the swing component 7 and uses the vibration force of the vibrating tool to force the chips to fall off. Specifically, the vibration assembly 9 includes a vertical rod 91 that is movably inserted through the upper surface of the frame 61. The top end of the vertical rod 91 is fixedly connected to a top frame 92. The top frame 92 is connected to four vertical rods 91. The bottom ends of the four vertical rods 91 are fixedly connected to rubber plates 95. The side of the top frame 92 is fixedly connected to a crossbar 93. The end of the crossbar 93 away from the top frame 92 is rotatably connected to a pull rod 94. The bottom end of the pull rod 94 is movably connected to the upper part of the outer surface of the swing arm 75. During operation, as the motor 71 drives the swing arm 75 to swing back and forth, the top of the swing arm 75 will cause the pull rod 94 to swing in an arc. During the swing, the top of the pull rod 94 will move downward, which will drive the crossbar 93 to move. The crossbar 93, in conjunction with the movement of the pull rod 94, will move up and down. Under the pull of the crossbar 93, the top frame 92 will drive all the vertical rods 91 to move up and down, which will push the rubber plate 95 to collide with the tool, thus vibrating the tool. At the same time, the flexibility of the rubber plate 95 can ensure that it will not scratch the tool during the collision. The collision force is used to force the debris on the outer surface of the tool to loosen and fall off, further improving the effect of removing debris from the outer surface of the tool.

[0027] In addition, see Figure 6 and Figure 9As shown, since the cutting tool needs to be stored in the tool box 3 after use, the protective layer on the outer surface of the cutting tool will disappear after processing. In order to ensure that the cutting tool is not easily corroded during storage, this application adopts a protective component 10 on the side of the frame 61. The protective component 10 is set on the running trajectory of the conversion mechanism 4 and the protective component 10 is used to maintain the cutting tool. Specifically, the protective component 10 includes an extension plate 101 fixedly connected to the side of the frame 61. A rotating shaft 102 is rotatably connected to the upper surface of the extension plate 101. An elastic block 103 is fixedly connected to the top of the rotating shaft 102. A solid anti-rust wax 104 is fixedly sleeved on the outer surface of the elastic block 103. The solid anti-rust wax 104 is symmetrically arranged along the edge line of the extension plate 101. During operation, the solid rust-preventive wax 104 is pre-installed on the upper part of the elastic block 103. After the driving tool passes through the frame 61, the debris on its outer surface is cleaned by the conversion mechanism 4. Then, the tool passes over the upper part of the arc plate, and the cutting head at the bottom of the tool passes between the symmetrically arranged solid rust-preventive waxes 104. The outer surface of the cutting head contacts the solid rust-preventive wax 104, and under the action of friction, the solid rust-preventive wax 104 rotates, waxing the outer surface of the cutting head to protect it from rust and improve the storage and protection effect of the tool. Due to the detachable nature of the solid rust-preventive wax 104 and the elastic block 103, the solid rust-preventive wax 104 can be easily disassembled after use, ensuring the long-term use of the device.

[0028] In summary, by setting a limit component 6 on the tool running path to force the tool to swing, and cooperating with the swing component 7 to drive the cleaning component 8 and vibration component 9 to continuously clean the tool, the problem of existing tool changes during machining is effectively solved. The removed tool has debris adhering to its outer surface. After being stored in the tool box 3, the debris easily falls into the gap between the tool head and the tool barrel during the operation of the tool box 3, causing the collet to deform during subsequent tool changes and affecting the connection stability.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] 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 CNC machine tool that facilitates tool changing, comprising a machine tool frame (1), wherein a drive mechanism (2) is disposed inside the machine tool frame (1), a tool box (3) is disposed on the side of the drive mechanism (2), a conversion mechanism (4) is disposed at the connection between the tool box (3) and the drive mechanism (2), and clamping mechanisms (5) are disposed at both ends of the conversion mechanism (4), characterized in that: The inner side of the machine tool frame (1) is provided with a limiting component (6), which is linked to the conversion mechanism (4) to remove the debris attached to the outer surface of the tool head when the conversion mechanism (4) is running. The limiting component (6) includes a frame (61) set on the inner wall of the machine tool frame (1). The main body of the frame (61) is designed as U-shaped. A lower tooth block (62) is fixedly connected to the lower part of the outer surface of the frame (61), and an upper tooth block (63) is fixedly connected to the upper part of the outer surface of the frame (61). The conversion mechanism (4) and the clamping mechanism (5) are connected through a damping shaft (102). A bevel gear (64) is fixedly sleeved on the outer surface of the damping shaft (102). The frame (61) is provided with a swing component (7) inside, a cleaning component (8) is provided at the lower part of the frame (61), a vibration component (9) is provided at the upper part of the frame (61), and a protective component (10) is provided on the side of the frame (61).

2. The CNC machine tool with easy tool changing according to claim 1, characterized in that: There are three lower tooth blocks (62) and two upper tooth blocks (63). The number of teeth of the three lower tooth blocks (62) is the same as the number of teeth of the two upper tooth blocks (63). The upper tooth blocks (63) and lower tooth blocks (62) are staggered, and their centers coincide with the center of the conversion mechanism (4), ensuring that the bevel gear (64) can mesh with the upper tooth blocks (63) and lower tooth blocks (62) during the rotation of the conversion mechanism (4).

3. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The swing assembly (7) includes a motor (71) fixedly installed in the middle of the frame (61), a turntable (72) fixedly connected to the drive end of the motor (71), and a lever (73) fixedly connected to the outer surface of the turntable (72) near the edge.

4. The CNC machine tool with easy tool changing according to claim 3, characterized in that: The outer surface of the frame (61) is rotatably connected to a central rod (74), and the end of the central rod (74) away from the frame (61) is fixedly connected to a swing rod (75). The outer surface of the swing rod (75) is provided with a strip groove (76), and the lever (73) is slidably engaged inside the strip groove (76).

5. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The cleaning component (8) includes a connecting rod (81) fixedly connected to the lower part of the outer surface of the swing arm (75). The end of the connecting rod (81) away from the swing arm (75) is fixedly connected to a frame (82). The frame (82) is designed to be arc-shaped. The inner walls on both sides of the frame (82) are evenly distributed with bristles (83). The bristles (83) are inclined upward.

6. The CNC machine tool with easy tool changing according to claim 5, characterized in that: The lower surface of the frame (82) is open, and a magnet (84) is provided inside the opening. A roller (85) is provided on the upper surface of the frame (61). The lower surface of the frame (82) abuts against the outer surface of the roller (85). The roller (85) supports the frame (61) and reduces the friction of the frame (61) during movement.

7. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The vibration assembly (9) includes a vertical rod (91) that is movably inserted through the upper surface of the frame (61). The top end of the vertical rod (91) is fixedly connected to a top frame (92). The top frame (92) is connected to four vertical rods (91). The bottom ends of the four vertical rods (91) are fixedly connected to rubber plates (95).

8. The CNC machine tool with easy tool changing according to claim 7, characterized in that: A crossbar (93) is fixedly connected to the side of the top frame (92). A pull rod (94) is rotatably connected to the end of the crossbar (93) away from the top frame (92). The bottom end of the pull rod (94) is movably connected to the upper part of the outer surface of the swing rod (75).

9. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The protective component (10) includes an extension plate (101) fixedly connected to the side of the frame (61). A rotating shaft (102) is rotatably connected to the upper surface of the extension plate (101). An elastic block (103) is fixedly connected to the top of the rotating shaft (102). A solid anti-rust wax (104) is fixedly sleeved on the outer surface of the elastic block (103). The solid anti-rust wax (104) is symmetrically arranged along the edge line of the extension plate (101).

10. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The lower part of the drive mechanism (2) is provided with a cutting tool, and the inside of the tool box (3) is provided with various types of cutting tools. The cutting tool to be used will be moved to the lower part of the tool box (3), and the drive mechanism (2) is located at the center of the two cutting tools.

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