Numerically-controlled machine tool for shaft machining of machining equipment

Abstract

The invention discloses a numerical control machine tool for shaft machining of machining equipment, and belongs to the technical field of numerical control machine tools. The electric sliding rail is arranged at the upper end of the base; the clamping seat is connected to the outer wall of the electric sliding rail in a sliding manner; the mounting plate is fixedly connected to the upper end of the base; a threaded rod is rotatably connected to the inner side of the mounting plate, a movable seat is in threaded connection to the outer wall of the threaded rod, a fixed rod is fixedly connected to the upper end of the movable seat, a [-shaped seat is slidably connected to the outer wall of the fixed rod, and a V-shaped bearing seat is arranged at the upper end of the [-shaped seat. Through cooperation of the threaded rod-moving seat-[-shaped seat linkage mechanism and the three-section type rail groove, automatic lifting and positioning of the transmission shaft are achieved, the positioning plate driven by the spring A clamps the transmission shaft in the lifting process, and the transmission shaft is prevented from falling in the moving process; after the chuck clamps, the push plate synchronously releases the positioning plate through the bevel push block, and interference is eliminated.

Description

Technical Field

[0001] The present application relates to the technical field of CNC machine tools, and in particular to a CNC machine tool for machining shafts of mechanical processing equipment. Background Art

[0002] CNC machine tool is the abbreviation of digitally controlled machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, represent them with coded numbers, and input them into the CNC device through information carriers.

[0003] For example, the Chinese patent publication number is CN118123601A, and the technical solution disclosed in this patent document is as follows: a transmission shaft processing and grinding equipment; it includes a grinder body and a chuck symmetrically and movably connected to the upper surface of the grinder body; the two chucks can drive the chucks on one side close to each other to move closer to each other; the grinding wheel is linearly and movably connected to the grinding wheel body; the upper surface of the grinder body is fixedly connected to a slide rail in the front and rear directions; the slide rail is slidably connected to the slide seat; a movable seat is placed on the slide seat; two positioning blocks are symmetrically and movably connected to the upper surface of the movable seat; the upper surface of the positioning block is provided with a V-shaped groove for placing the workpiece; the slide seat is fixedly connected to the handle on the side away from the grinding wheel.

[0004] The following problems exist in the prior art: the V-groove on the upper surface of the positioning block of the above-mentioned device is fixedly connected to an elastic bag, and the interior of the elastic bag is connected to the outside world; the elastic bag can be deflated in the V-groove of the positioning hole under pressure. Although the elastic bag can be deflated in the V-groove of the positioning hole under pressure after the drive shaft is placed in the V-groove, it cannot be guaranteed that the thickness of the deflated elastic bag around the drive shaft is completely consistent. Therefore, it cannot be guaranteed that the drive shaft is located in the center position of the V-groove, and the air pressure change is generated only by the mechanical movement of the electric push rod, and it cannot be guaranteed that the negative pressure strength is sufficient to stabilize the drive shaft. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a CNC machine tool for machining shafts of mechanical processing equipment, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present application provides a CNC machine tool for machining shafts of machining equipment, comprising a base; an electric slide rail, the electric slide rail being arranged at the upper end of the base; a clamping seat, the clamping seat being slidably connected to the outer wall of the electric slide rail; and a mounting plate, the mounting plate being fixedly connected to the upper end of the base; A threaded rod is rotatably connected to the inner side of the mounting plate. A moving seat is threadedly connected to the outer wall of the threaded rod. A fixed rod is fixedly connected to the upper end of the moving seat. A U-shaped seat is slidably connected to the outer wall of the fixed rod. A V-shaped receiving seat is arranged at the upper end of the U-shaped seat. Connecting plate A and connecting plate B are fixedly connected to the side surface of the U-shaped seat. A receiving groove is formed in the upper end of the base. A track groove is formed in the inner wall of the receiving groove. A sliding shaft is fixedly connected to the outer wall of connecting plate A. One end of the sliding shaft is slidably connected inside the track groove. A sliding groove is formed in the upper end of connecting plate B. A slider is slidably connected inside the sliding groove. A positioning plate is fixedly connected to the upper end of the slider. A connecting rod is hinged to the bottom of the slider. A connecting block A is hinged to the bottom of the connecting rod. A linkage rod is fixedly connected to the bottom of the connecting block A. An elastic telescopic rod is fixedly connected to the side surface of the mounting plate. A pushing block is fixedly connected to the other end of the elastic telescopic rod. A pushing plate is fixedly connected to the inner wall of one of the clamping seats.

[0007] Preferably, a spring A is fixedly connected between the two positioning plates.

[0008] Preferably, the side of the pushing block close to the mounting plate is provided as an inclined surface.

[0009] Preferably, the track groove has three segments, namely two horizontal straight grooves and one inclined groove. The two horizontal straight grooves are respectively distributed at the upper and lower ends, and the two ends of the inclined groove are connected to the horizontal straight grooves.

[0010] Preferably, a slag collection component is assembled on the outer walls of the U-shaped seat and the base. The slag collection component includes a mounting shaft. The mounting shaft is rotatably connected to the upper end of the U-shaped seat. The V-shaped receiving seat is fixedly connected to the outer wall of the mounting shaft. A fixed block A is fixedly connected to the outer wall of the U-shaped seat. One end of the mounting shaft penetrates through the fixed block A and is fixedly connected to a movable block. A linkage block is fixedly connected to the upper end of the mounting plate. A collection box is fixedly connected to the outer wall of the base. A vacuum cleaner is fixedly connected to the upper end of the collection box. The blowing end of the vacuum cleaner is located inside the collection box. A connecting pipe is assembled at the suction end of the vacuum cleaner. The other end of the connecting pipe is assembled with a suction hood. A support block is fixedly connected to the outer wall of the base. The other end of the support block is fixedly connected to the suction hood.

[0011] Preferably, the slag collection component further includes a ring and a torsion spring. The ring is fixedly sleeved on the outer wall of the mounting shaft. The torsion spring is assembled between the ring and the fixed block A.

[0012] Preferably, the side of the linkage block away from the suction hood is provided as an inclined surface.

[0013] Preferably, a separation component is assembled inside and on the outer wall of the collection box. The separation component includes a filter plate which is fixedly installed inside the collection box. A collection box is arranged at the bottom end inside the collection box. A moving rod slidably penetrates through the front of the collection box. An installation block is fixedly connected to the upper end of the collection box. A movable rod is hinged to the outer wall of the installation block. Two movable grooves are formed on the outer wall of the movable rod. A movable plate is slidably connected to the side of the installation plate. A movable shaft A is fixedly connected to the outer wall of the moving rod. A movable shaft B is fixedly connected to the outer wall of the movable plate. A cleaning plate is fixedly connected to one end of the moving rod located in the collection box. A vertical rod is fixedly connected to the upper end of the movable plate.

[0014] Preferably, one ends of the movable shaft A and the movable shaft B are slidably connected inside the movable groove. A cross bar is fixedly connected to the side of the movable seat.

[0015] Preferably, a fixed block B is fixedly connected to the upper end of the base. A connecting block B is fixedly connected to the outer wall of the movable plate. A spring B is fixedly connected between the fixed block B and the connecting block B.

[0016] The advantages of this application are as follows: (1) Through the cooperation of the threaded rod - movable seat - U-shaped seat linkage mechanism and the three-section track groove, the automatic lifting and positioning of the transmission shaft are achieved. The positioning plate driven by the spring A clamps the transmission shaft during the ascending process to prevent the transmission shaft from falling during movement; after the chuck holds it, the push plate releases the positioning plate synchronously through the inclined plane push block to eliminate interference.

[0017] (2) By introducing the slag collection component and combining with the use of a vacuum cleaner, the cleanliness of the processing environment is effectively ensured. Through the cooperation of the movable block, the installation shaft and the linkage block, the V-shaped receiving seat can be tilted and the waste chips generated during the processing can be discharged smoothly. At the same time, the vacuum cleaner sucks the chips into the collection box through the suction hood, avoiding the damage of the chips to the transmission shaft or other equipment. This design not only helps to improve the cleanliness of the working environment but also reduces the influence of metal chips on the processing accuracy and the service life of the equipment.

[0018] (3) Through the design of the separation component and the filter plate, the efficient separation and cleaning of waste chips are achieved. The cooperation between the cross bar of the movable seat and the movable plate can effectively push the cleaning plate to clean the filter plate, preventing the waste chips from blocking the filtering system and ensuring the continuous effectiveness of the waste chip treatment. This design not only improves the cleaning efficiency of the filter plate but also avoids the decline of the system performance caused by the blockage of the filter plate, ensuring the stable operation of the entire collection system. Description of the Drawings

[0019] The accompanying drawings, which form a part of this application, are used to provide a further understanding of this application, making other features, objectives, and advantages of this application more obvious. The schematic embodiments and descriptions of the accompanying drawings of this application are used to explain this application and do not constitute an improper limitation of this application. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic top view structure of the present invention; Figure 3 is the Figure 2 enlarged structure schematic diagram at position A in the present invention; Figure 4 is a schematic side sectional view structure of the present invention; Figure 5 is a schematic partial sectional view structure of the present invention; Figure 6 is the Figure 1 enlarged structure schematic diagram at position B in the present invention; Figure 7 is the Figure 2 enlarged structure schematic diagram at position C in the present invention.

[0020] In the above figures, 1. Base; 2. Electric slide rail; 3. Card holder; 4. Mounting plate; 51. Threaded rod; 52. Moving seat; 53. Fixed rod; 54. C-shaped seat; 55. V-shaped receiving seat; 56. Connecting plate A; 57. Accommodating groove; 58. Track groove; 59. Sliding shaft; 510. Connecting plate B; 511. Chute; 512. Positioning plate; 513. Spring A; 514. Link; 515. Connecting block A; 516. Linkage rod; 517. Pushing block; 518. Elastic telescopic rod; 519. Pushing plate; 520. Slide block; 6. Residue collection component; 61. Mounting shaft; 62. Fixed block A; 63. Ring; 64. Torsion spring; 65. Movable block; 66. Linkage block; 67. Collection box; 68. Vacuum cleaner; 69. Connecting pipe; 610. Suction hood; 611. Support block; 7. Separation component; 71. Filter plate; 72. Collection box; 73. Moving rod; 74. Mounting block; 75. Movable rod; 76. Movable groove; 77. Movable plate; 78. Movable shaft A; 79. Movable shaft B; 710. Cleaning plate; 711. Vertical rod; 712. Fixed block B; 713. Spring B; 714. Connecting block B; 715. Cross bar. Detailed implementation manners

[0021] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings 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 in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate to describe the embodiments of the present application here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0023] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0024] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0025] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0026] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will describe this application in detail with reference to the drawings and in combination with the embodiments.

[0027] Embodiment 1. Please refer to Figure 1-Figure 7 , this embodiment provides a numerically controlled machine tool for shaft machining of a machining equipment, including a base 1; an electric slide rail 2, the electric slide rail 2 is arranged at the upper end of the base 1; a clamping seat 3, the clamping seat 3 is slidably connected to the outer wall of the electric slide rail 2; a mounting plate 4, the mounting plate 4 is fixedly connected to the upper end of the base 1; A threaded rod 51 is rotatably connected inside the mounting plate 4, a moving seat 52 is threadedly connected to the outer wall of the threaded rod 51. The function of the threaded rod 51 and the moving seat 52 is that by driving the threaded rod 51 to rotate by a motor, the moving seat 52 can slide along the mounting plate 4. A fixed rod 53 is fixedly connected to the upper end of the moving seat 52, a U-shaped seat 54 is slidably connected to the outer wall of the fixed rod 53, a V-shaped receiving seat 55 is arranged at the upper end of the U-shaped seat 54, and the V-shaped receiving seat 55 is used to support the transmission shaft to ensure its stability during the machining process. A connecting plate A 56 and a connecting plate B 510 are fixedly connected to the side of the U-shaped seat 54. A receiving groove 57 is opened at the upper end of the base 1, a track groove 58 is opened on the inner wall of the receiving groove 57, a sliding shaft 59 is fixedly connected to the outer wall of the connecting plate A 56, and one end of the sliding shaft 59 is slidably connected inside the track groove 58. A chute 511 is opened at the upper end of the connecting plate B 510, a slider 520 is slidably connected inside the chute 511, a positioning plate 512 is fixedly connected to the upper end of the slider 520, a connecting rod 514 is hinged to the bottom of the slider 520, a connecting block A 515 is hinged to the bottom of the connecting rod 514, a linkage rod 516 is fixedly connected to the bottom of the connecting block A 515, an elastic telescopic rod 518 is fixedly connected to the side of the mounting plate 4, a push block 517 is fixedly connected to the other end of the elastic telescopic rod 518, and a push plate 519 is fixedly connected to the inner wall of one side clamping seat 3. A spring A 513 is fixedly connected between the two positioning plates 512, and the spring A 513 is fixed at both ends of the positioning plate 512 and is used to retract the positioning plate 512 after the transmission shaft is placed, so that the transmission shaft can rise stably. The side of the push block 517 close to the mounting plate 4 is set as an inclined surface. The track groove 58 has three sections, namely two horizontal straight grooves and one inclined groove, and the two horizontal straight grooves are respectively distributed at the upper and lower ends, and the two ends of the inclined groove are connected to the horizontal straight grooves.

[0028] During use, an external motor is used to drive the rotation of the threaded rod 51. Then, the moving seat 52 threadedly connected to the outer wall will slide on the upper surface of the mounting plate 4 towards the front end of the base 1. Consequently, the fixed rod 53 at the upper end of the moving seat 52 and the U-shaped seat 54 slidably connected to the outer wall of the fixed rod 53 will also move accordingly. When the U-shaped seat 54 moves, it will drive the connecting plates A 56 and connecting plates B 510 on both sides to move. Then, the sliding shaft 59 on the outer wall of the connecting plate A 56 will move along with it and slide inside the track groove 58. Then, the sliding shaft 59 will slide from the upper horizontal straight groove through the inclined groove to the lower horizontal straight groove during the movement. When it slides to the inclined groove and the lower horizontal straight groove, the rotation of the threaded rod 51 can be stopped. Then, the U-shaped seat 54 will be carried by the connecting plate A 56 and slide downward at the lower end of the fixed rod 53. Next, the to-be-processed transmission shaft can be placed on the upper end of the V-shaped receiving seat 55. During this process, while the connecting plate B 510 moves along with the U-shaped seat 54, it will drive the slider 520, the connecting rod 514, the connecting block A 515, and the linkage rod 516 to move. Since the height of the U-shaped seat 54 decreases, the linkage rod 516 will also decrease and contact the surface of the mounting plate 4. Then, the linkage rod 516 will push the connecting block A 515 at its upper end towards the connecting plate B 510. Then, the connecting block A 515 will push the slider 520 to slide towards both sides inside the chute 511 through the connecting rod 514. Then, the positioning plates 512 at the upper end of the slider 520 will also move towards both sides, which facilitates the placement of the transmission shaft. After placing the transmission shaft, the threaded rod 51 drives the moving seat 52 to reset. At this time, the height of the U-shaped seat 54 will rise, and the linkage rod 516 will gradually move away from the surface of the mounting plate 4. Then, at this time, under the action of the spring A 513, the positioning plates 512 at both ends will move towards the middle, thereby achieving the positioning of the transmission shaft and ensuring the stability of the transmission shaft during rising. Then, the electric slide rail 2 can be started to drive the clamping seat 3 to slide towards the middle. Then, the chucks inside the clamping seat 3 will fix both ends of the transmission shaft. The clamping seat 3 on the left will drive the push plate 519 to move. Then, the push plate 519 will push the push block 517 towards the linkage rod 516. Since the surface of the push block 517 after contacting the linkage rod 516 is an inclined surface, the linkage rod 516 will be pushed to rise during the movement of the push block 517. Similarly, at this time, the positioning plates 512 will move away from both sides of the transmission shaft. Thus, while the chucks clamp both ends of the transmission shaft, the positioning plates 512 that ensure the stable rising of the transmission shaft move away from the transmission shaft, which can avoid the positioning plates 512 affecting the processing of the transmission shaft. At the same time, the above design not only moves the feeding position to the front end to facilitate feeding, but also links the lifting of the feeding position with the forward and backward movement, improving the feeding efficiency.

[0029] Example 2, please refer to Figure 1-Figure 7, on the basis of Embodiment 1, a slag collection component 6 is assembled on the outer wall of the C-shaped seat 54 and the base 1. The slag collection component 6 includes a mounting shaft 61, the mounting shaft 61 is rotatably connected to the upper end of the C-shaped seat 54, a V-shaped receiving seat 55 is fixedly connected to the outer wall of the mounting shaft 61, a fixed block A62 is fixedly connected to the outer wall of the C-shaped seat 54, one end of the mounting shaft 61 penetrates through the fixed block A62 and is fixedly connected with a movable block 65, a linkage block 66 is fixedly connected to the upper end of the mounting plate 4, a collection box 67 is fixedly connected to the outer wall of the base 1, a vacuum cleaner 68 is fixedly connected to the upper end of the collection box 67, the blowing end of the vacuum cleaner 68 is located inside the collection box 67. The introduction of the vacuum cleaner 68 ensures the cleanliness of the working environment and prevents metal debris from damaging the workpiece and the equipment. The suction end of the vacuum cleaner 68 is assembled with a connecting pipe 69, the other end of the connecting pipe 69 is assembled with a suction hood 610, a support block 611 is fixedly connected to the outer wall of the base 1, and the other end of the support block 611 is fixedly connected with the suction hood 610. The slag collection component 6 further includes a ring 63 and a torsion spring 64, the ring 63 is fixedly sleeved on the outer wall of the mounting shaft 61, and the torsion spring 64 is assembled between the ring 63 and the fixed block A62. One side of the linkage block 66 away from the suction hood 610 is provided as an inclined surface.

[0030] During use, when the transmission shaft is processed, the C-shaped seat 54 and the V-shaped receiving seat 55 also move to the lowest point at the lower end of the inclined groove of the track groove 58. Different from this, at this time, after the transmission shaft is taken off, the C-shaped seat 54 and the V-shaped receiving seat 55 continue to move forward. Then, the movable block 65 on the side of the C-shaped seat 54 will contact the linkage block 66 fixedly connected to the upper end of the mounting plate 4. Then, since the movable block 65 is blocked, it will tilt and rotate, and then it will drive the mounting shaft 61 to rotate. Then, the mounting shaft 61 will drive the V-shaped receiving seat 55 to tilt forward and ensure that it moves to the front end of the suction hood 610 in this state. At this time, part of the debris remaining in the V-shaped groove inside the V-shaped receiving seat 55 during the processing process will fall off, and the rest needs to start the vacuum cleaner 68 to transport it to the inside of the collection box 67 through the suction hood 610 and the connecting pipe 69. Then, it can ensure the cleanliness of the V-shaped receiving seat 55 when the transmission shaft is placed next time, and it can avoid the transmission shaft being placed unevenly due to impurities and avoid metal fragments from damaging the surface of the transmission shaft. When resetting, when the movable block 65 leaves the linkage block 66, at this time, under the action of the torsion spring 64, it will drive the mounting shaft 61 to rotate and reset through the ring 63, and then the V-shaped receiving seat 55 will also return to its original position.

[0031] Embodiment 3, please refer to Figure 1-Figure 7Based on Example 1, the interior and exterior walls of the collection box 67 are assembled with a separation assembly 7. The separation assembly 7 includes a filter plate 71, which is fixedly mounted within the collection box 67. A collection box 72 is provided at the bottom of the collection box 67. A movable rod 73 slides through the front of the collection box 67. A mounting block 74 is fixedly connected to the top end of the collection box 67. A movable rod 75 is hingedly mounted on the outer wall of the mounting block 74. Two movable slots 76 are defined on the outer wall of the movable rod 75. A movable plate 77 is slidably connected to the side of the mounting plate 4. A movable shaft A78 is fixedly connected to the outer wall of the movable rod 73. A movable shaft B79 is fixedly connected to the outer wall of the movable plate 77. A cleaning plate 710 is fixedly connected to one end of the movable rod 73 located within the collection box 67. A vertical rod 711 is fixedly connected to the top end of the movable plate 77. One end of the movable shaft A78 and movable shaft B79 slides within the movable slot 76. A crossbar 715 is fixedly connected to the side of the movable base 52. The upper end of the base 1 is fixedly connected with a fixed block B712, the outer wall of the movable plate 77 is fixedly connected with a connecting block B714, and a spring B713 is fixedly connected between the fixed block B712 and the connecting block B714.

[0032] When in use, after the waste enters the interior of the collection box 67, the filter plate 71 will filter and separate the waste. When the movable seat 52 moves a certain distance to the front end under the drive of the threaded rod 51, the cross bar 715 on its side will move with the vertical rod 711 at the upper end of the movable rod 73, and then the cross bar 715 will drive the movable plate 77 to move by pushing the vertical rod 711. Since the movable shaft B79 fixedly connected to one end of the movable plate 77 slides inside the movable groove 76 opened at the upper end of the movable rod 75, then when the movable plate 77 moves to the front end, the movable rod 75 will be driven by the movable shaft B79 to revolve around its connection with the mounting block 74. When the hinge point rotates, the movable shaft A78 slidingly connected to the movable groove 76 at the bottom of the movable rod 75 will be moved toward the collection box 67, and then the movable rod 73 can be driven to slide toward the inside of the collection box 67, thereby driving the cleaning plate 710 to move, so that the filter plate 71 can be cleaned, thereby avoiding clogging of the filter plate 71. When the cross bar 715 is reset along with the movable seat 52, the spring B713 on the outer wall of the fixed block B712 will push the movable plate 77 to reset by pushing the connecting block B714. At this time, similarly, the cleaning plate 710 will also be reset, so that the filter plate 71 can be cleaned again.

[0033] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A CNC machine tool for machining shafts of machining equipment, characterized in that: Including a base; An electric slide rail, which is arranged at the upper end of the base; A card holder, which is slidably connected to the outer wall of the electric slide rail; A mounting plate, which is fixedly connected to the upper end of the base; A threaded rod is rotatably connected to the inner side of the mounting plate. A moving seat is threadedly connected to the outer wall of the threaded rod. A fixed rod is fixedly connected to the upper end of the moving seat. A U-shaped seat is slidably connected to the outer wall of the fixed rod. A V-shaped receiving seat is arranged at the upper end of the U-shaped seat. A connecting plate A and a connecting plate B are fixedly connected to the side surface of the U-shaped seat. A receiving groove is opened at the upper end of the base. A track groove is opened on the inner wall of the receiving groove. A sliding shaft is fixedly connected to the outer wall of the connecting plate A. One end of the sliding shaft is slidably connected to the inside of the track groove. A sliding groove is opened at the upper end of the connecting plate B. A slider is slidably connected to the inside of the sliding groove. A positioning plate is fixedly connected to the upper end of the slider. A connecting rod is hinged to the bottom of the slider. A connecting block A is hinged to the bottom of the connecting rod. A linkage rod is fixedly connected to the bottom of the connecting block A. An elastic telescopic rod is fixedly connected to the side surface of the mounting plate. A pushing block is fixedly connected to the other end of the elastic telescopic rod. A pushing plate is fixedly connected to the inner wall of one side of the card holder.

2. A CNC machine tool for machining shafts of machining equipment according to claim 1, characterized in that: A spring A is fixedly connected between the two positioning plates.

3. The CNC machine tool for machining shafts of machining equipment according to claim 1, characterized in that: One side of the pushing block close to the mounting plate is set as an inclined surface.

4. The CNC machine tool for machining shafts of machining equipment according to claim 1, characterized in that: The track groove has three sections, namely two horizontal straight grooves and one inclined groove. The two horizontal straight grooves are respectively distributed at the upper and lower ends, and the two ends of the inclined groove are connected to the horizontal straight grooves.

5. The CNC machine tool for machining shafts of machining equipment according to claim 1, characterized in that: A slag collection component is assembled on the outer walls of the U-shaped seat and the base. The slag collection component includes a mounting shaft, which is rotatably connected to the upper end of the U-shaped seat. The V-shaped receiving seat is fixedly connected to the outer wall of the mounting shaft. A fixed block A is fixedly connected to the outer wall of the U-shaped seat. One end of the mounting shaft penetrates through the fixed block A and is fixedly connected to a movable block. A linkage block is fixedly connected to the upper end of the mounting plate. A collection box is fixedly connected to the outer wall of the base. A vacuum cleaner is fixedly connected to the upper end of the collection box. The blowing end of the vacuum cleaner is located inside the collection box. A connecting pipe is assembled at the suction end of the vacuum cleaner. The other end of the connecting pipe is assembled with a suction hood. A support block is fixedly connected to the outer wall of the base. The other end of the support block is fixedly connected to the suction hood.

6. A CNC machine tool for machining shafts of machining equipment according to claim 5, characterized in that: The slag collection component further includes a ring and a torsion spring. The ring is fixedly sleeved on the outer wall of the mounting shaft. The torsion spring is assembled between the ring and the fixed block A.

7. A CNC machine tool for machining shafts of machining equipment according to claim 6, characterized in that: One side of the linkage block far from the suction hood is set as an inclined surface.

8. The CNC machine tool for machining shafts of machining equipment according to claim 5, characterized in that: The interior and outer walls of the collection box are equipped with a separation component, which includes a filter plate, which is fixedly installed inside the collection box, and a collection box is provided at the bottom end of the collection box. A movable rod is slidably passed through the front of the collection box, and the upper end of the collection box is fixedly connected to a mounting block. The outer wall of the mounting block is hinged with a movable rod, and two movable grooves are provided on the outer wall of the movable rod. The side of the mounting plate is slidably connected with a movable plate, and the outer wall of the movable rod is fixedly connected to a movable shaft A, and the outer wall of the movable plate is fixedly connected to a movable shaft B. The movable rod is located at one end of the collection box and is fixedly connected to a cleaning plate, and the upper end of the movable plate is fixedly connected to a vertical pole.

9. The CNC machine tool for machining shafts of machining equipment according to claim 8, characterized in that: One end of the movable shaft A and the movable shaft B are slidably connected to the inside of the movable groove, and a cross bar is fixedly connected to the side surface of the movable seat.

10. The CNC machine tool for machining shafts of machining equipment according to claim 9, characterized in that: The upper end of the base is fixedly connected with a fixed block B, the outer wall of the movable plate is fixedly connected with a connecting block B, and a spring B is fixedly connected between the fixed block B and the connecting block B.

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