Milling device for aircraft machining

Abstract

The invention provides a milling device for aircraft machining, and the device comprises a milling cutter which is internally provided with a damping mechanism; wherein the damping mechanism comprises a protective layer, a damping mechanism and a damping mechanism, and the protective layer is mounted in the milling cutter; the first ring body is connected to the inner side of the protective layer; the first compression-resistant layer is connected to the inner side of the first ring body; the second compression-resistant layer is arranged in the first compression-resistant layer; one end of the buffer piece is connected with the first compression-resistant layer, and the other end of the buffer piece is connected with the second compression-resistant layer; according to the shock absorption mechanism, the compression resistance of the shock absorption mechanism can be greatly improved through the first compression resistance layer and the second compression resistance layer, when the first ring body is extruded, the second frame body is located on the inner wall of the first frame body in a sliding connection mode, the two ends of the first gasket and the two ends of the second gasket extrude the first spring and the second spring correspondingly, and the effective shock absorption effect is achieved.

Description

Technical Field

[0001] The present application belongs to the technical field of milling tools, and in particular relates to a milling device for aircraft machining. Background Art

[0002] High-precision milling cutters are rotary tools with one or more teeth used for milling. Each tooth sequentially and intermittently removes the workpiece's excess material during operation. Milling cutters are primarily used on milling machines to create flat surfaces, steps, grooves, formed surfaces, and cut-off parts.

[0003] In order to solve the problem of using milling tools, the existing technology uses the processing principle of milling, and the tool is processed by high-speed rotation driven by the spindle. However, during processing, the milling tool will vibrate, which leads to low milling quality and efficiency. Summary of the Invention

[0004] Purpose of the invention: To propose a milling device for aircraft machining to solve the problem of low milling quality and efficiency caused by vibration of the milling tool during machining.

[0005] The present application provides a milling device for aircraft machining, the device comprising:

[0006] A milling cutter, wherein a shock absorbing mechanism is installed inside the milling cutter;

[0007] Wherein, the shock absorbing mechanism comprises:

[0008] a protective layer installed inside the milling cutter;

[0009] a first ring body connected to the inner side of the protective layer;

[0010] a first pressure-resistant layer connected to the inner side of the first ring body;

[0011] a second pressure-resistant layer, arranged inside the first pressure-resistant layer;

[0012] A buffer component, one end of which is connected to the first pressure-resistant layer, and the other end of which is connected to the second pressure-resistant layer.

[0013] Preferably, the buffer member comprises:

[0014] a first frame, one end of the first frame being connected to the first pressure-resistant layer;

[0015] The second frame body has one end connected to the second pressure-resistant layer, and the other end of the first frame body is movably connected to the other end of the second frame body.

[0016] Preferably, the first frame has a first cavity, and the second frame has a second cavity; the other end of the first frame can be embedded in the second cavity, and the other end of the first frame can slide along the inner wall of the second cavity.

[0017] Preferably, the buffer member further comprises:

[0018] a first gasket, disposed in the first cavity;

[0019] a first spring disposed in the first cavity, wherein one end of the first spring contacts the first gasket, and the other end of the first spring contacts the bottom of the first cavity;

[0020] a second gasket, disposed in the second cavity;

[0021] The second spring is arranged in the second cavity, one end of the second spring contacts the second gasket, and the other end of the second spring contacts the top of the second cavity.

[0022] Preferably, the buffer member further comprises:

[0023] A support rod, one end of which is connected to the first gasket, and the other end of which is connected to the second gasket.

[0024] Preferably, the milling cutter further comprises:

[0025] A cutter body is fixedly connected to the outside of the shock absorbing mechanism. One end of the cutter body (20) is provided with a chip removal groove, and a mounting hole is provided on the surface of the chip removal groove.

[0026] The blade is installed in the chip removal groove through the installation hole.

[0027] Preferably, the blade is triangular and triangularly positioned; the blade and the chip groove fit tightly together to avoid loosening and blade breakage; each blade is provided with an independent water outlet.

[0028] Preferably, the shock absorbing mechanism further comprises:

[0029] a second ring body connected to the inner side of the second pressure-resistant layer;

[0030] a third pressure-resistant layer connected to the inner side of the second ring body;

[0031] The anti-slip layer is arranged on the inner side of the third pressure-resistant layer, and the surface of the anti-slip layer is provided with grooves.

[0032] Preferably, the device further comprises:

[0033] a mounting ring connected to the inner side of the anti-slip layer;

[0034] a central shaft mounted in the mounting ring;

[0035] A tool handle is connected to the central shaft.

[0036] The beneficial effects of this application are:

[0037] 1. The present invention can greatly improve the pressure resistance of the shock-absorbing mechanism through the first pressure-resistant layer and the second pressure-resistant layer. When the first ring body is squeezed, the second frame body is located at the inner wall of the first frame and is slidably connected. The first gasket and the second gasket respectively squeeze the first spring and the second spring at both ends to achieve an effective shock-absorbing effect. The protective layer can better protect the first ring body, and the anti-slip performance of the second ring body can be improved by the anti-slip layer. The first pressure-resistant layer and the second pressure-resistant layer are both made of metal ring mesh material, which improves the pressure resistance of the shock-absorbing mechanism, reduces the vibration of the cutter body assembly during milling, avoids loosening of the connection between the cutter body assembly and the main shaft, improves the stability of the processing angle, improves the cutting accuracy, and improves the quality and efficiency of milling.

[0038] 2. The chip groove of the present invention is used for the milling cutter to conveniently discharge debris during processing. The blade is processed by full grinding technology, with stronger overall hardness, sharper cutting edge, shock resistance and wear resistance, not easy to chip, smooth chip breaking, providing efficient cutting, no longer needing to worry about inaccurate pitch of tap processing, the blade is triangular and triangular positioning is performed, the blade and the chip groove can fit tightly to avoid loosening and breaking, each blade is provided with an independent water outlet to enable internal cooling during deep hole processing, suitable for fine and semi-fine processing of various processed materials, strong versatility and wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A schematic structural diagram of a milling device for aircraft machining provided by an embodiment of the present invention;

[0040] Figure 2 A schematic structural diagram of a central axis provided in an embodiment of the present invention;

[0041] Figure 3 A schematic structural diagram of a shock absorbing mechanism provided in an embodiment of the present invention;

[0042] Figure 4 A schematic structural diagram of a second pressure-resistant layer provided in an embodiment of the present invention;

[0043] Figure 5 A schematic structural diagram of a buffer provided in an embodiment of the present invention;

[0044] Figure 6 A schematic structural diagram of a milling cutter provided in an embodiment of the present invention;

[0045] Figure 7 A schematic structural diagram of a knife handle provided by an embodiment of the present invention;

[0046] Figure 8 A schematic structural diagram of an elastic collet provided in an embodiment of the present invention;

[0047] Among them: 1. Tool holder; 10. Rigid sleeve; 11. Connecting shaft; 13. Fastening bolt; 14. Adjusting washer; 15. Tool holder body; 16. Nut; 17. Collet nut; 18. Collet; 2. Milling cutter; 20. Cutter body; 21. Chip flute; 22. Mounting hole; 23. Blade; 24. Protrusion; 25. Fixing bolt; 3. Center shaft; 4. Limit block; 5. Shock absorber; 50. Protective layer ;51. First ring body; 52. First pressure-resistant layer; 53. Buffer; 530. First frame body; 531. First spring; 532. First gasket; 534. Support rod; 535. Second gasket; 536. Second spring; 537. Second frame body; 54. Second pressure-resistant layer; 55. Second ring body; 56. Third pressure-resistant layer; 57. Anti-slip layer; 58. Groove; 6. Mounting ring; 7. Vertical groove; 8. Horizontal groove. DETAILED DESCRIPTION

[0048] The invention discloses an improved structure of a high-precision milling tool for aircraft machining, which relates to the technical field of improved structures of high-precision milling tools. The invention comprises a tool holder and a limit block. A milling tool is installed at one end of the tool holder, and a shock absorbing mechanism is installed inside the milling tool.

[0049] The present invention can greatly improve the pressure resistance of the shock-absorbing mechanism through the first pressure-resistant layer and the second pressure-resistant layer. When the first ring body is extruded, the second frame body is located at the inner wall of the first frame and is slidably connected. The first gasket and the second gasket respectively squeeze the first spring and the second spring at both ends to achieve an effective shock-absorbing effect. The protective layer can better protect the first ring body. The first pressure-resistant layer and the second pressure-resistant layer are both made of metal annular mesh material, which improves the pressure resistance of the shock-absorbing mechanism, reduces the vibration of the cutter body assembly during milling, avoids loosening of the connection between the cutter body assembly and the main shaft, improves the stability of the processing angle, improves the cutting accuracy, and improves the quality and efficiency of milling.

[0050] The following is combined with Figure 1 -Attached Figure 8 This application is described in further detail.

[0051] The improved structure of a high-precision milling tool for aircraft machining provided in the present application includes a tool holder 1 and a limit block 4. A milling cutter 2 is installed at one end of the tool holder 1, and a shock absorbing mechanism 5 is installed inside the milling cutter 2.

[0052] The shock absorbing mechanism 5 includes a protective layer 50, which is installed inside the milling cutter 2. A first ring body 51 is fixedly connected to the inner side of the protective layer 50. A first pressure-resistant layer 52 is fixedly connected to the inner side of the first ring body 51. A buffer member 53 is fixedly connected to the outer side of the first pressure-resistant layer 52. One end of the buffer member 53 is fixedly connected to a second pressure-resistant layer 54.

[0053] The milling cutter 2 includes a cutter body 20 , which is fixedly connected to the outside of the shock absorbing mechanism 5 . A chip removal groove 21 is formed at one end of the cutter body 20 , and a mounting hole 22 is formed on the surface of the chip removal groove 21 .

[0054] Among them, the inner side of the second pressure-resistant layer 54 is fixedly connected to the second ring body 55, the inner side of the second ring body 55 is fixedly connected to the third pressure-resistant layer 56, the surface of the third pressure-resistant layer 56 is fixedly connected to the anti-slip layer 57, the surface of the third pressure-resistant layer 56 is provided with a groove 58, the inner side of the third pressure-resistant layer 56 is fixedly connected to the mounting ring 6, the surface of the mounting ring 6 is fixedly connected to a clamping block, the surface of the mounting ring 6 is installed with a center axis 3, and the surface of the center axis 3 is provided with a vertical groove 7 and a horizontal groove 8.

[0055] Among them, the vertical groove 7 is connected to the horizontal groove 8, and the block fixedly connected to the surface of the mounting ring 6 enters the horizontal groove 8 through the vertical groove 7, and the block fixedly connected to the surface of the mounting ring 6 is limited in the horizontal groove 8 by the limit block 4.

[0056] Among them, the buffer component 53 includes a first frame body 530, one end of the first frame body 530 is fixedly connected to one side of the first pressure-resistant layer 52, the interior of the first frame body 530 is fixedly connected to a first spring 531, one end of the first spring 531 is fixedly connected to a first gasket 532, and the surface of the first gasket 532 is fixedly connected to a support rod 534.

[0057] Among them, the surface of the support rod 534 is fixedly connected to the second gasket 535, the surface of the second gasket 535 is fixedly connected to the second spring 536, one end of the second spring 536 is fixedly connected to the second frame 537, and the second frame 537 is movably connected to the inside of the first frame 530.

[0058] A fixing bolt 25 is threadedly connected to the surface of the mounting hole 22 , a blade 23 is threadedly connected to the surface of the fixing bolt 25 , and a protruding block 24 is fixedly connected to the surface of the blade 23 .

[0059] Among them, the tool handle 1 includes a connecting shaft 11 and an elastic collet 18, the connecting shaft 11 is fixedly connected to one end of the central shaft 3, the surface of the connecting shaft 11 is threadedly connected with a nut 16, the surface of the nut 16 is interference sealed with a rigid sleeve 10, one end of the rigid sleeve 10 is fixedly connected to the tool handle body 15, the interior of the tool handle body 15 is a hollow structure, one end is matched with the main shaft of the machining center, and the other end is a tapered cavity structure opened outward, and a thread and a threaded hole are provided on the end ring surface, one end of the rigid sleeve 10 is threadedly connected to a fastening bolt 13, the fastening bolt 13 thread passes through the surface of the tool handle body 15, and the surface of the fastening bolt 13 is covered with an adjustment gasket 14.

[0060] Among them, the handle body 15 is mounted in the tapered cavity of the handle body 15, the elastic collet 18 is mounted in the tapered cavity of the handle body 15, the connecting shaft 11 is installed into the handle body 15 through the through hole in the elastic collet 18, and the outer end of the elastic collet 18 is mounted with an elastic collet nut 17, which matches the thread of the annular surface of the outer end of the handle body 15.

[0061] In other embodiments of the present application, an improved structure of a high-precision milling tool for aircraft machining is provided, comprising a tool holder and a limit block, wherein a milling cutter is mounted on one end of the tool holder, and a shock absorbing mechanism is mounted inside the milling cutter;

[0062] The shock absorbing mechanism includes a protective layer, the protective layer is installed inside the milling cutter, the inner side of the protective layer is fixedly connected to a first ring body, the inner side of the first ring body is fixedly connected to a first pressure-resistant layer, the outer side of the first pressure-resistant layer is fixedly connected to a buffer, and one end of the buffer is fixedly connected to a second pressure-resistant layer;

[0063] The milling cutter comprises a cutter body, which is fixedly connected to the outside of the shock-absorbing mechanism. A chip removal groove is provided at one end of the cutter body, and a mounting hole is provided on the surface of the chip removal groove.

[0064] A further improvement of the technical solution of the present invention is that: a second ring body is fixedly connected to the inner side of the second pressure-resistant layer, a third pressure-resistant layer is fixedly connected to the inner side of the second ring body, a non-slip layer is fixedly connected to the surface of the third pressure-resistant layer, a groove is provided on the surface of the third pressure-resistant layer, a mounting ring is fixedly connected to the inner side of the third pressure-resistant layer, a clamping block is fixedly connected to the surface of the mounting ring, a center axis is installed on the surface of the mounting ring, a vertical groove and a horizontal groove are provided on the surface of the center axis, the outer contour of the limit block is matched with the size of the vertical groove, and the first pressure-resistant layer and the second pressure-resistant layer can greatly improve the pressure resistance of the shock-absorbing mechanism.

[0065] A further improvement of the technical solution of the present invention is that: the vertical groove is connected to the transverse groove, and the block fixedly connected to the surface of the mounting ring enters the transverse groove through the vertical groove, and the block fixedly connected to the surface of the mounting ring is limited in the transverse groove by the limit block. After the block enters the transverse groove, the limit block is inserted into the vertical groove to complete the limitation of the block, thereby preventing the block from sliding out of the transverse groove along the circumferential direction and affecting the processing.

[0066] A further improvement of the technical solution of the present invention is that: the buffer component includes a first frame body, one end of the first frame body is fixedly connected to one side of the first pressure-resistant layer, a first spring is fixedly connected to the inside of the first frame body, one end of the first spring is fixedly connected to a first gasket, and the surface of the first gasket is fixedly connected to a support rod, and when the first ring body is squeezed, the second frame body is located at the inner wall of the first frame and is slidably connected.

[0067] A further improvement of the technical solution of the present invention is that: a second gasket is fixedly connected to the surface of the support rod, a second spring is fixedly connected to the surface of the second gasket, one end of the second spring is fixedly connected to a second frame, the second frame is movably connected to the inside of the first frame, and the two ends of the first gasket and the second gasket squeeze the first spring and the second spring respectively.

[0068] A further improvement of the technical solution of the present invention is that: the surface of the mounting hole is threadedly connected to a fixing bolt, the surface of the fixing bolt is threadedly connected to a blade, the surface of the blade is fixedly connected to a raised block, and the chip groove is used to facilitate the discharge of debris during milling cutter processing, and the blade is processed using full grinding technology.

[0069] A further improvement of the technical solution of the present invention is that: the tool handle includes a connecting shaft and an elastic collet, the connecting shaft is fixedly connected to one end of the central shaft, the surface of the connecting shaft is threadedly connected with a nut, the surface of the nut is interference sealed with a rigid sleeve, one end of the rigid sleeve is fixedly connected to the tool handle body, the interior of the tool handle body is a hollow structure, one end cooperates with the main shaft of the machining center, and the other end is a tapered cavity structure opened outward, and a thread and a threaded hole are provided on the end ring surface, one end of the rigid sleeve is threadedly connected to a fastening bolt, the fastening bolt thread passes through the surface of the tool handle body, the surface of the fastening bolt is covered with an adjusting gasket, and a thread is provided inside the rigid sleeve, and the thread on the nut is tightened and fixed by cooperating with the rigid sleeve. In order to improve applicability, a nut is set on the inner end of the rigid sleeve to cooperate with the tool.

[0070] A further improvement of the technical solution of the present invention is that: the shank body is sleeved in the tapered cavity of the shank body, the elastic collet is sleeved in the tapered cavity of the shank body, the connecting shaft is inserted into the shank body through the through hole in the elastic collet, the outer end of the elastic collet is sleeved with an elastic collet nut, which matches the thread of the annular surface of the outer end of the shank body, and the other end is provided with a through hole and is fixed to the shank by a fastening bolt installed in conjunction with the through hole. The fastening bolt is provided with a thread that matches the threaded hole of the shank, and the fastening bolt passes through the through hole at the large end of the rigid sleeve and is sleeved in the threaded hole of the shank, which is convenient to install and strengthens the firmness of the connection.

[0071] In other embodiments of the present application, Figures 1-8 As shown, the present invention provides an improved structure of a high-precision milling tool for aircraft machining, comprising a tool holder 1 and a limit block 4, a milling cutter 2 is installed at one end of the tool holder 1, a shock-absorbing mechanism 5 is installed inside the milling cutter 2, the shock-absorbing mechanism 5 comprises a protective layer 50, the protective layer 50 is installed inside the milling cutter 2, a first ring body 51 is fixedly connected to the inner side of the protective layer 50, a first pressure-resistant layer 52 is fixedly connected to the inner side of the first ring body 51, a buffer member 53 is fixedly connected to the outer side of the first pressure-resistant layer 52, a second pressure-resistant layer 54 is fixedly connected to one end of the buffer member 53, a second ring body 55 is fixedly connected to the inner side of the second pressure-resistant layer 54, a third pressure-resistant layer 56 is fixedly connected to the inner side of the second ring body 55, a non-slip layer 57 is fixedly connected to the surface of the third pressure-resistant layer 56, a groove 58 is provided on the surface of the third pressure-resistant layer 56, a mounting ring 6 is fixedly connected to the inner side of the third pressure-resistant layer 56, a clamping ring 6 is fixedly connected to the surface of the mounting ring 6 The surface of the mounting ring 6 is provided with a central axis 3, and a vertical groove 7 and a horizontal groove 8 are provided on the surface of the central axis 3. The vertical groove 7 is connected to the horizontal groove 8. The block fixedly connected to the surface of the mounting ring 6 enters the horizontal groove 8 through the vertical groove 7, and the block fixedly connected to the surface of the mounting ring 6 is limited in the horizontal groove 8 by the limit block 4. The buffer member 53 includes a first frame body 530, one end of the first frame body 530 is fixedly connected to one side of the first pressure-resistant layer 52, a first spring 531 is fixedly connected to the interior of the first frame body 530, one end of the first spring 531 is fixedly connected to the first gasket 532, a support rod 534 is fixedly connected to the surface of the support rod 534, a second gasket 535 is fixedly connected to the surface of the second gasket 535, a second spring 536 is fixedly connected to the surface of the second gasket 535, one end of the second spring 536 is fixedly connected to the second frame body 537, and the second frame body 537 is movably connected to the interior of the first frame body 530;

[0072] Specifically, the first pressure-resistant layer 52 and the second pressure-resistant layer 54 can greatly improve the pressure resistance of the shock-absorbing mechanism 5. When the first ring body 51 is squeezed, the second frame body 537 is located at the inner wall of the first frame body 530 and is slidably connected. The first gasket 532 and the second gasket 535 respectively squeeze the first spring 531 and the second spring 536 at both ends to achieve an effective shock-absorbing effect. The protective layer 50 can better protect the first ring body 51. The anti-slip layer 57 can improve the anti-slip performance of the second ring body 55. The first pressure-resistant layer 52 and the second pressure-resistant layer 54 are both made of metal ring mesh material, which improves the pressure resistance of the shock-absorbing mechanism 5. The outer contour of the limit block 4 is adapted to the size of the vertical groove 7. After the block enters the horizontal groove 8, the limit block 4 is inserted into the vertical groove 7 to complete the limitation of the block and prevent the block from sliding out of the horizontal groove 8 along the circumferential direction, affecting processing.

[0073] like Figures 1-8 As shown, based on the above embodiment, the present invention provides a technical solution: preferably, the milling cutter 2 includes a cutter body 20, the cutter body 20 is fixedly connected to the outside of the shock absorbing mechanism 5, a chip groove 21 is formed at one end of the cutter body 20, a mounting hole 22 is formed on the surface of the chip groove 21, a fixing bolt 25 is threadedly connected to the surface of the mounting hole 22, a blade 23 is threadedly connected to the surface of the fixing bolt 25, and a protrusion 24 is fixedly connected to the surface of the blade 23;

[0074] Specifically, the chip groove 21 is used to facilitate the discharge of debris during processing by the milling cutter 2. The blade 23 is processed using a full grinding process technology, with a stronger overall hardness, a sharper cutting edge, shock resistance and wear resistance, not easy to chip, and smooth chip breaking, providing efficient cutting, and no longer worrying about inaccurate pitch of tap processing. The blade 23 is triangular and triangularly positioned, so that the blade 23 and the chip groove 21 can fit tightly to avoid loosening and breaking. Each blade 23 is provided with an independent water outlet for internal cooling during deep hole processing, which is suitable for fine and semi-fine processing of various types of processed materials, with strong versatility and a wide range of applications.

[0075] like Figures 1-8As shown, on the basis of the above embodiment, the present invention provides a technical solution: preferably, the tool handle 1 includes a connecting shaft 11 and an elastic collet 18, the connecting shaft 11 is fixedly connected to one end of the central shaft 3, the surface of the connecting shaft 11 is threadedly connected with a nut 16, the surface of the nut 16 is interference-sealed with a rigid sleeve 10, one end of the rigid sleeve 10 is fixedly connected to a tool handle body 15, the interior of the tool handle body 15 is a hollow structure, one end is matched with the main shaft of the machining center, and the other end is a tapered cavity structure opened outward, and a hole is provided on the end ring surface. There are threads and threaded holes. One end of the rigid sleeve 10 is threadedly connected to a fastening bolt 13. The fastening bolt 13 thread penetrates the surface of the handle body 15. An adjusting gasket 14 is set on the surface of the fastening bolt 13. The handle body 15 is set in the tapered cavity of the handle body 15. The elastic collet 18 is set in the tapered cavity of the handle body 15. The connecting shaft 11 passes through the through hole in the elastic collet 18 and is installed in the handle body 15. The outer end of the elastic collet 18 is set with an elastic collet nut 17, which matches the thread of the outer end annular surface of the handle body 15.

[0076] Specifically, the rigid sleeve 10 is provided with a thread inside, and the thread on the nut 16 is matched with the rigid sleeve 10 to tighten and fix the front end of the connecting shaft 11. In order to improve the applicability, the nut 16 is set on the inner end of the rigid sleeve 10 to match the tool. The inner diameter of the nut 16 can also be designed to be different sizes to adapt to connecting shafts 11 with different diameters. Nuts 16 with different inner diameters can be selected according to the diameter of the connecting shaft 11; the other end is provided with a through hole and is fixed to the tool handle 1 by a fastening bolt 13 installed in conjunction with the through hole. The fastening bolt 1 3 is provided with a thread that matches the threaded hole of the tool handle 1, and the fastening bolt 13 passes through the through hole at the large end of the rigid sleeve 10 and is fitted into the threaded hole of the tool handle 1, which is convenient for installation and strengthens the firmness of the connection. The rigid sleeve 10 is designed as a tapered thin-walled structure with a thickness of 0.8 to 1 mm. The rigid sleeve 10 can adopt a tapered structure with one end gradually becoming smaller. Compared with the traditional tool handle-tool mechanism, its length and size are serially designed, and the rigidity is better, which makes it possible to select a rigid sleeve of appropriate size according to different processing environments.

[0077] The following is a detailed description of the working principle of the improved structure of the high-precision milling tool for aircraft machining.

[0078] like Figures 1-8As shown, the first pressure-resistant layer 52 and the second pressure-resistant layer 54 can greatly improve the pressure resistance of the shock-absorbing mechanism 5. When the first ring body 51 is squeezed, the second frame body 537 is located on the inner wall of the first frame body 530 and is slidably connected. The first gasket 532 and the second gasket 535 respectively squeeze the first spring 531 and the second spring 536 at both ends to achieve an effective shock-absorbing effect. The protective layer 50 can better protect the first ring body 51. The anti-slip layer 57 can improve the anti-slip performance of the second ring body 55. The first pressure-resistant layer 52 and the second pressure-resistant layer 54 are both made of metal ring mesh material, which improves the pressure resistance of the shock-absorbing mechanism 5. The outer contour of the limit block 4 is adapted to the size of the vertical slot 7, and the block is engaged. After entering the transverse groove 8, the limit block 4 is inserted into the vertical groove 7 to complete the limiting of the block, preventing the block from sliding out of the transverse groove 8 along the circumferential direction and affecting the processing. The chip groove 21 is used for the milling cutter 2 to facilitate the discharge of debris during processing. The blade 23 is processed using full grinding technology, with stronger overall hardness, sharper cutting edge, shock resistance and wear resistance, not easy to break, smooth chip breaking, providing efficient cutting, no longer worrying about inaccurate pitch of tap processing, the blade 23 is triangular and triangular positioning is performed, the blade 23 and the chip groove 21 can fit tightly to avoid loosening and breaking, and each blade 23 is provided with an independent water outlet for internal cooling during deep hole processing, which is suitable for fine and semi-finishing processing of various types of processed materials, with strong versatility and a wide range of applications.

Claims

1. A milling device for aircraft machining, characterized in that: The device comprises: A milling cutter, wherein a shock absorbing mechanism is installed inside the milling cutter; Wherein, the shock absorbing mechanism comprises: a protective layer installed inside the milling cutter; a first ring body connected to the inner side of the protective layer; a first pressure-resistant layer connected to the inner side of the first ring body; a second pressure-resistant layer, arranged inside the first pressure-resistant layer; A buffer component, one end of which is connected to the first pressure-resistant layer, and the other end of which is connected to the second pressure-resistant layer.

2. The device according to claim 1, wherein The buffer member comprises: a first frame, one end of the first frame being connected to the first pressure-resistant layer; The second frame body has one end connected to the second pressure-resistant layer, and the other end of the first frame body is movably connected to the other end of the second frame body.

3. The device according to claim 2, wherein The first frame body has a first cavity, and the second frame body has a second cavity; the other end of the first frame body can be embedded in the second cavity, and the other end of the first frame body can slide along the inner wall of the second cavity.

4. The device according to claim 3, characterized in that The buffer member further comprises: a first gasket, disposed in the first cavity; a first spring disposed in the first cavity, wherein one end of the first spring contacts the first gasket, and the other end of the first spring contacts the bottom of the first cavity; a second gasket, disposed in the second cavity; The second spring is arranged in the second cavity, one end of the second spring contacts the second gasket, and the other end of the second spring contacts the top of the second cavity.

5. The device according to claim 4, characterized in that The buffer member further comprises: A support rod, one end of which is connected to the first gasket, and the other end of which is connected to the second gasket.

6. The device according to claim 1, wherein The milling cutter further comprises: A cutter body is fixedly connected to the outside of the shock absorbing mechanism. One end of the cutter body (20) is provided with a chip removal groove, and a mounting hole is provided on the surface of the chip removal groove. The blade is installed in the chip removal groove through the installation hole.

7. The device according to claim 6, characterized in that The blade is triangular and is triangularly positioned; the blade fits tightly with the chip groove to avoid loosening and blade breakage; each blade is provided with an independent water outlet.

8. The device according to claim 1, wherein The shock absorbing mechanism further comprises: a second ring body connected to the inner side of the second pressure-resistant layer; a third pressure-resistant layer connected to the inner side of the second ring body; The anti-slip layer is arranged on the inner side of the third pressure-resistant layer, and the surface of the anti-slip layer is provided with grooves.

9. The device according to claim 8, wherein The device further comprises: a mounting ring connected to the inner side of the anti-slip layer; a central shaft mounted in the mounting ring; A tool handle is connected to the central shaft.

Images