CN112935302A - Double-coordinate movable boring and milling head for machining upper shell component of airplane - Google Patents
Double-coordinate movable boring and milling head for machining upper shell component of airplane Download PDFInfo
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- CN112935302A CN112935302A CN202110257677.3A CN202110257677A CN112935302A CN 112935302 A CN112935302 A CN 112935302A CN 202110257677 A CN202110257677 A CN 202110257677A CN 112935302 A CN112935302 A CN 112935302A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
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Abstract
The invention provides a double-coordinate moving boring and milling head for machining a shell part on an airplane, which comprises a second cutter handle, a rotating disc, a spindle motor shell, a direct-drive spindle motor stator component, a cutter linear displacement servo motor, a precision rack, a direct-drive spindle motor rotor component, a precision gear, a first clutch and a second clutch; the second tool handle is connected to the rotary disc in a sliding mode, and the precision rack is connected to the second tool handle; the output shaft of the cutter linear displacement servo motor is connected with a second clutch through a second coupler, the direct-drive spindle motor rotor assembly is connected with a first clutch through a first coupler, the first clutch and the second clutch are connected with a transmission gear shaft, the front end of the transmission gear shaft is fixedly connected with a precision gear, and the first clutch is used for combining or separating the transmission gear shaft with the direct-drive spindle motor rotor assembly; the second clutch is used for combining or separating the transmission gear shaft with the cutter linear displacement servo motor. The invention solves the problem that the special-shaped hole needs to be processed by a numerical control lathe.
Description
Technical Field
The invention belongs to the technical field of machining of special-shaped holes of an upper shell part of an airplane, and particularly relates to a double-coordinate movable boring and milling head for machining the upper shell part of the airplane.
Background
Most of the existing aerospace structural members need to use a boring machine, but the boring and milling head (facing head) of the existing boring and milling machine mainly bores straight holes and step holes; the boring of various holes with curved taper holes and buses is difficult to realize no matter whether straight holes and stepped holes are of single cylindrical hole size, and particularly, special-shaped complex holes with small openings and large inner cavities are sometimes needed for shell parts on airplanes, so that the boring is difficult to realize through a traditional boring machine.
Disclosure of Invention
In order to overcome the problems in the related art, the invention provides a double-coordinate moving boring and milling head for machining a shell part on an airplane, which comprises a second tool shank, a rotating disc, a spindle motor shell, a direct-drive spindle motor stator component, a cutter linear displacement servo motor, a precision rack, a direct-drive spindle motor rotor component, a precision gear, a first clutch and a second clutch.
The direct-drive spindle motor stator component is fixed in the spindle motor shell, the direct-drive spindle motor rotor component is rotatably arranged in the spindle motor shell, and the direct-drive spindle motor rotor assembly is positioned inside the direct-drive spindle motor stator assembly, the cutter linear displacement servo motor is fixed at the rear end of the spindle motor shell, the rotating disc is fixedly connected to the front end of the rotor assembly of the direct-drive spindle motor through a rotating disc mounting flange, the rotating disc mounting flange is rotationally connected to the inner wall of the main shaft motor shell through a radial and axial bearing, the rotating disc is rotationally connected to the front end of the shell of the spindle motor, the second tool shank is slidably connected to the rotating disc, the precise gear is arranged in a groove at the front end of the rotary disc, the precise rack is connected to the second tool handle through a connecting piece, and the precise gear is meshed with the precise rack.
The utility model discloses a spindle motor, including first clutch, second clutch, first clutch and second clutch, cutter linear displacement servo motor output shaft passes through the second coupling and connects the second clutch, directly drive the spindle motor rotor subassembly through first coupling joint first clutch, first clutch with the second clutch is all installed directly drive spindle motor rotor subassembly inner chamber, first clutch with the second clutch inboard is connected with the drive gear axle, drive gear axle front end runs through the capstan and with accurate gear fixed connection, the drive gear axle sets up directly drive inside and rather than coaxial setting of spindle motor rotor subassembly.
The first clutch is used for combining or separating the transmission gear shaft with or from the direct-drive spindle motor rotor assembly; the second clutch is used for combining or separating the transmission gear shaft with or from the cutter linear displacement servo motor.
As a further explanation of the invention, the connecting piece comprises an installation guide seat and guide plates, the second tool holder is fixed on the installation guide seat, the precision rack is fixed in an inner groove in the length direction of the installation guide seat, the guide plates are fixed on the rotary disc, and the guide plates are distributed on two sides of the installation guide seat, so that the installation guide seat is in sliding fit with a sliding groove formed between the two guide plates.
As a further explanation of the invention, the dual coordinate moving boring and milling head further comprises a first tool shank which can be fixedly mounted on the corresponding mounting surface of the guide plate.
As a further description of the present invention, each of the first clutch and the second clutch includes a clutch stationary gear, a clutch moving gear, a clutch piston, a clutch cylinder, a clutch transmission shaft, a clutch spring baffle, a bearing, a spring, and a guide transmission key.
The direct-drive spindle motor rotor assembly is connected with the clutch static gear disc of the first clutch through a first coupler, the output shaft of the cutter linear displacement servo motor is connected with the clutch static gear disc of the second clutch through a second coupler, and the second coupler is rotatably connected to a rear seat of a spindle motor shell through a bearing; the clutch moves the fluted disc clutch spring baffle with pass through between the clutch transmission shaft direction transmission key-type connection, the clutch transmission shaft is connected drive gear off-axial side, clutch transmission shaft wherein one end is passed through the bearing with the quiet fluted disc of clutch rotates to be connected, and the other end passes through the bearing with clutch cylinder inner chamber rotates to be connected.
The setting of clutch spring baffle is in clutch movable fluted disc with in the clearance between the quiet fluted disc of clutch, spring coupling is in the mounting groove of clutch movable fluted disc, just the spring other end can stretch into in the draw-in groove of clutch spring baffle, the quiet fluted disc of clutch with clutch movable fluted disc butt joint end all sets up the end tooth of mutually supporting.
Still install clutch drive compressed air distributor in the spindle motor casing, the assembly of clutch piston is in clutch cylinder inner chamber, work as clutch drive compressed air distributor to when ventilating in the clutch cylinder, the clutch piston promotes the clutch fluted disc with the meshing of clutch quiet fluted disc makes clutch quiet fluted disc with drive gear shaft synchronous revolution.
As a further explanation of the invention, the clutch transmission shaft and the transmission gear shaft are connected through a second transmission key.
As a further explanation of the invention, the guide plate is provided with a positioning step hole or groove, the first tool shank is fixed in the positioning step hole on the guide plate, the mounting guide seat is provided with a positioning groove and a plurality of groups of mounting holes, and the second tool shank is fixed in the positioning groove on the mounting guide seat.
Compared with the prior art, the invention has the following beneficial technical effects:
the boring and milling head provided by the invention is a main shaft unit (facing head) of a boring and milling machine, and two types of tool shanks are installed in an exchange manner; the second tool handle is used for automatic movement, and the tool can linearly move under the program instruction while rotating along with the base body; the size of the rotary diameter of the cutter is automatically changed according to instructions while the rotation is realized, and the complex special-shaped rotary body processing as a lathe can be realized on a boring and milling machine tool by matching with the coordinate movement in the direction of the rotary axis; the first tool holder is coaxially positioned and fixedly installed with the main shaft, and is the same as the main shaft of the traditional boring machine, so that the processing of boring, milling, drilling, reaming, tapping and the like is realized; the first knife handle and the second knife handle are selected for use according to processing requirements and cannot be used simultaneously.
The invention can realize that one boring machine carries out a plurality of processes, in particular to the boring of the special-shaped hole of the shell on the airplane, solves the problem that the special-shaped hole needs to be processed by a numerical control lathe in a sequence conversion manner, and improves the processing efficiency of complex parts.
Drawings
FIG. 1 is a schematic front view of a double-coordinate movable boring and milling head for machining a shell component on an airplane, which is provided by the invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic side view of an internal cooling rotary joint of a bi-coordinate moving boring and milling head for machining a shell component on an aircraft according to the present invention;
FIG. 4 is a schematic sectional view taken along line B-B of FIG. 3;
FIG. 5 is a partially enlarged schematic view of FIG. 4;
FIG. 6 is a schematic front view of a first clutch of a bi-coordinate moving boring and milling head for machining a housing component of an aircraft according to the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 taken along line A-A;
fig. 8 is a partial sectional view of the structure of fig. 6 from the direction B-B.
Description of the reference numerals
The device comprises a first tool handle 1, an installation guide seat 2, a guide plate 3, a rotating disc 4, a rotating disc installation flange 5, a radial and axial bearing 6, a spindle motor shell 7, a direct-drive spindle motor stator assembly 8, a first clutch 91, a second clutch 92, a clutch static gear 901, a clutch movable gear disc 902, a clutch piston 903, a clutch cylinder 904, a clutch transmission shaft 905, a clutch spring baffle 906, a bearing 907, a spring 908, a guide transmission key 909, a second coupling 10, a tool linear displacement servo motor 11, a precision rack 12, a second tool handle 13, a second transmission key 14, a direct-drive spindle motor encoder 15, a clutch drive compressed air distribution body 16, a direct-drive spindle motor rotor assembly 17, a first coupling 18, a transmission gear shaft 19, a precision gear 20 and a compressed air inlet 21.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention will be explained with reference to specific embodiments.
As shown in fig. 1 to 8, a two-coordinate moving boring and milling head for machining a shell part on an airplane is provided, which comprises a second tool shank 13, a rotating disc 4, a spindle motor housing 7, a direct-drive spindle motor stator assembly 8, a tool linear displacement servo motor 11, a precision rack 12, a direct-drive spindle motor rotor assembly 17, a precision gear 20, a first clutch 91 and a second clutch 92.
The direct-drive spindle motor stator assembly 8 is fixed in the spindle motor housing 7, the direct-drive spindle motor rotor assembly 17 is rotatably installed in the spindle motor housing 7, the direct-drive spindle motor rotor assembly 17 is located inside the direct-drive spindle motor stator assembly 8, the tool linear displacement servo motor 11 is fixed at the rear end of the spindle motor housing 7, the rotary disc 4 is fixedly connected to the front end of the direct-drive spindle motor rotor assembly 17 through a rotary disc mounting flange 5, the rotary disc mounting flange 5 is rotatably connected to the inner wall of the spindle motor housing 7 through a radial axial bearing 6, the rotary disc 4 is rotatably connected to the front end of the spindle motor housing 7, the second tool shank 13 is slidably connected to the rotary disc 4, the precision gear 20 is arranged in a groove at the front end of the rotary disc 4, and the precision rack 12 is connected to the second tool shank 13 through a connecting piece, the precision gear 20 is engaged with the precision rack 12.
11 output shafts of cutter linear displacement servo motor pass through second coupling 10 and connect second clutch 92, directly drive spindle motor rotor subassembly 17 and connect through first shaft coupling 18 first clutch 91, first clutch 91 with second clutch 92 is all installed directly drive 17 inner chambers of spindle motor rotor subassembly, first clutch 91 with second clutch 92 inboard is connected with drive gear axle 19, drive gear axle 19 front end runs through the capstan 4 and with precision gear 20 fixed connection, drive gear axle 19 sets up directly drive spindle motor rotor subassembly 17 inside and rather than coaxial setting.
The first clutch 91 is used for combining or separating the transmission gear shaft 19 with or from the direct-drive spindle motor rotor assembly 17; the second clutch 92 is used to couple or decouple the transmission gear shaft 19 to or from the tool linear displacement servo motor 11.
Specifically, each of the first clutch 91 and the second clutch 92 includes a clutch fixed gear 901, a clutch moving gear 902, a clutch piston 903, a clutch cylinder 904, a clutch transmission shaft 905, a clutch spring baffle 906, a bearing 907, a spring 908, and a guide transmission key 909.
The direct-drive spindle motor rotor assembly 17 is connected with the clutch fixed gear disc 901 of the first clutch 91 through a first coupler 18, the output shaft of the cutter linear displacement servo motor 11 is connected with the clutch fixed gear disc 901 of the second clutch 92 through a second coupler 10, and the second coupler 10 is rotatably connected to the rear seat of the spindle motor housing 7 through a bearing; the clutch movable gear plate 902, the clutch spring baffle 906 and the clutch transmission shaft 905 are connected through the guide transmission key 909, the clutch transmission shaft 905 is connected to the outer side of the transmission gear shaft 19, one end of the clutch transmission shaft 905 is rotatably connected with the clutch fixed gear plate 901 through the bearing 907, and the other end of the clutch transmission shaft 905 is rotatably connected with the inner cavity of the clutch cylinder 904 through the bearing 907.
The clutch spring baffle 906 is arranged in a gap between the clutch movable fluted disc 902 and the clutch static fluted disc 901, the spring 908 is connected in a mounting groove of the clutch movable fluted disc 902, the other end of the spring 908 can extend into a clamping groove of the clutch spring baffle 906, and end teeth which are matched with each other are arranged at the butt joint end of the clutch static fluted disc 901 and the clutch movable fluted disc 902.
A clutch driving compressed air distributor 16 is further installed in the spindle motor housing 7, the clutch piston 903 is assembled in the inner cavity of the clutch cylinder 904, and when the clutch driving compressed air distributor 16 ventilates the clutch cylinder 904, the clutch piston 903 pushes the clutch moving gear plate 902 to be meshed with the clutch static gear plate 901, so that the clutch static gear plate 901 and the transmission gear shaft 19 rotate synchronously.
When the clutch is used, after compressed air is introduced into the clutch cylinder 904 (because the clutch driving compressed air distributor 16 and the clutch cylinder 904 can rotate relatively, an annular ventilation groove can be formed in the clutch cylinder 904, the air outlet of the clutch driving compressed air distributor 16 is aligned with the ventilation groove, and the periphery of the ventilation groove is sealed by using a sealing ring, so that normal ventilation can be ensured when the clutch cylinder 904 and the clutch driving compressed air distributor 16 rotate relatively), the clutch piston 903 pushes the clutch driving toothed plate 902 to be meshed with the clutch static toothed plate 901, and at the moment, if the clutch static toothed plate 901 is driven by a motor, the clutch driving toothed plate 902 drives the clutch transmission shaft 905 through the guide transmission key 909 to transmit power, and at the moment, the whole clutch rotates together. When the clutch cylinder 904 is cut off, the spring 908 pushes the clutch movable fluted disc 902 to be separated from the clutch static fluted disc 901, and the power transmission of the motor is cut off; the clutch piston 903 and the clutch cylinder 904 are also disengaged by the loss of frictional force between the clutch piston 903 and the clutch toothed plate 902, and are free to rotate. Whether the cylinder is cut off or not, the clutch movable gear plate 902, the clutch spring baffle 906 and the clutch transmission shaft 905 are connected together to move by the guide transmission key 909 (the clutch transmission shaft 905 and the clutch movable gear plate 902 can move axially relatively, and the guide transmission key 909 is only used for providing a rotation torque force).
The spindle motor shell 7 is also provided with a direct-drive spindle motor encoder 15, and after the direct-drive spindle motor stator component 8 is electrified, the direct-drive spindle motor rotor component 17 can drive the rotating discs 4 connected together to rotate; the direct-drive spindle motor encoder 15 can accurately measure the rotation positions of the feedback-drive spindle motor rotor assembly 17 and the rotating disc 4.
In a preferred mode, the clutch transmission shaft 905 is connected with the transmission gear shaft 19 through a second transmission key 14 (the clutch transmission shaft 905 and the transmission gear shaft 19 can move axially relative to each other, and the second transmission key 14 is only used for providing a rotation torque force).
In a preferred mode, the connecting piece includes a mounting guide seat 2 and guide plates 3, the second tool holder 13 is fixed on the mounting guide seat 2, the precision rack 12 is fixed in an inner groove in the length direction of the mounting guide seat 2, the guide plates 3 are fixed on the rotating disc 4, and the guide plates 3 are distributed on two sides of the mounting guide seat 2, so that the mounting guide seat 2 is in sliding fit with two sliding grooves formed between the guide plates 3.
The double-coordinate moving boring and milling head further comprises a first cutter handle 1, and the first cutter handle 1 can be fixedly mounted on the corresponding mounting surface of the guide plate 3.
The guide plate 3 is provided with positioning step holes or grooves, the first tool shank 1 is fixed on the guide plate 3 in the positioning step holes, the installation guide seat 2 is provided with positioning grooves and a plurality of groups of installation holes, and the second tool shank 13 is fixed in the positioning grooves on the installation guide seat 2.
The action of the double-coordinate moving boring and milling head is described as follows:
firstly, in the traditional boring and milling process, a direct-drive main shaft servo motor (a direct-drive main shaft motor stator component 8 and a direct-drive main shaft motor rotor component 17) drives a rotating disc 4, a guide plate 3 arranged on the rotating disc 4 and a first tool handle 1 connected and positioned on the guide plate 3 coaxially rotate along with the direct-drive main shaft servo motor, and the boring and milling process and the like are completed.
Secondly, automatic diameter-changing boring and milling: while the rotary disc 4 is driven to rotate by a direct-drive main shaft servo motor (a direct-drive main shaft motor stator component 8 and a direct-drive main shaft motor rotor component 17), a linear moving system of the second tool shank 13 is driven by a tool linear displacement servo motor 11, diameter changing is carried out under instruction control, and a special-shaped revolving body is machined along with axial coordinate movement; at this time, the second tool handle 13 selects the state of the second clutch 92 for combined transmission (the tool linear displacement servo motor 11 drives the clutch static fluted disc 901 of the second clutch 92 to rotate, since the clutch transmission shaft 905 of the second clutch 92 is connected with the transmission gear shaft 19 through the second transmission key 14, the clutch transmission shaft 905 can transmit power to the transmission gear shaft 19), the first clutch 91 is in a disengaged state, and the transmission gear shaft 19 drives the gear rack mechanism to drive the second tool handle 13 and the mounting guide seat 2 to move along the rotary disc 4 together.
And thirdly, static boring of the second tool shank 13: at this time, the second clutch 92 is selected to be in combined transmission in the state of the second tool holder 13, the second tool holder 13 reaches the position under the program instruction and is in a static state, and then fixed-size boring machining can be performed (the direct-drive spindle motor formed by the direct-drive spindle motor stator assembly 8 and the direct-drive spindle motor rotor assembly 17 drives the rotating disc 4 to rotate, and further drives the second tool holder 13 which is moved in place to rotate), and at this time, the tool linear displacement servo motor 11 is also in a dynamic state.
Fourthly, static boring and milling of the second tool holder 13: the second tool holder 13 is linearly displaced to a position concentric with the driving spindle motor rotor assembly 17 and is static, at the moment, the state of the second tool holder 13 selects the first clutch 91 to be combined and driven (the direct-drive spindle motor rotor assembly 17 drives the clutch static fluted disc 901 of the first clutch 91 to rotate, and as the clutch transmission shaft 905 of the first clutch 91 is connected with the transmission gear shaft 19 through the second transmission key 14, the clutch transmission shaft 905 can transmit power to the transmission gear shaft 19), the transmission gear shaft 19 is in a fixed connection state with the direct-drive spindle motor rotor assembly 17, the second tool holder 13 is in a static state relative to the direct-drive spindle motor rotor assembly 17, the fixed-size boring and milling processing can be carried out, at the moment, the tool linear displacement servo motor 11 is also in a static state, and the state of the second tool holder 13 can select the second clutch 92 to be combined and separated.
The embodiments given above are preferable examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical characteristics of the technical scheme of the invention by a person skilled in the art belong to the protection scope of the invention.
Claims (6)
1. The double-coordinate moving boring and milling head for machining the upper shell part of the airplane is characterized by comprising a second cutter handle (13), a rotating disc (4), a spindle motor shell (7), a direct-drive spindle motor stator component (8), a cutter linear displacement servo motor (11), a precision rack (12), a direct-drive spindle motor rotor component (17), a precision gear (20), a first clutch (91) and a second clutch (92);
the direct-drive spindle motor stator assembly (8) is fixed in the spindle motor housing (7), the direct-drive spindle motor rotor assembly (17) is rotatably installed in the spindle motor housing (7), the direct-drive spindle motor rotor assembly (17) is located inside the direct-drive spindle motor stator assembly (8), the cutter linear displacement servo motor (11) is fixed at the rear end of the spindle motor housing (7), the rotary disc (4) is fixedly connected to the front end of the direct-drive spindle motor rotor assembly (17) through a rotary disc mounting flange (5), the rotary disc mounting flange (5) is rotatably connected to the inner wall of the spindle motor housing (7) through a radial axial bearing (6), the rotary disc (4) is rotatably connected to the front end of the spindle motor housing (7), and the second tool shank (13) is slidably connected to the rotary disc (4), the precision gear (20) is arranged in a groove at the front end of the rotating disc (4), the precision rack (12) is connected to the second cutter handle (13) through a connecting piece, and the precision gear (20) is meshed with the precision rack (12);
the output shaft of the cutter linear displacement servo motor (11) is connected with the second clutch (92) through a second coupler (10), the direct-drive spindle motor rotor assembly (17) is connected with the first clutch (91) through a first coupler (18), the first clutch (91) and the second clutch (92) are installed in the inner cavity of the direct-drive spindle motor rotor assembly (17), the inner sides of the first clutch (91) and the second clutch (92) are connected with a transmission gear shaft (19), the front end of the transmission gear shaft (19) penetrates through the rotary disc (4) and is fixedly connected with the precision gear (20), and the transmission gear shaft (19) is arranged inside the direct-drive spindle motor rotor assembly (17) and is coaxially arranged with the same;
the first clutch (91) is used for connecting or disconnecting the transmission gear shaft (19) with or from the direct-drive spindle motor rotor assembly (17); the second clutch (92) is used for connecting or disconnecting the transmission gear shaft (19) with or from the cutter linear displacement servo motor (11).
2. The double-coordinate moving boring and milling head for machining the shell part on the airplane as claimed in claim 1, wherein the connecting piece comprises a mounting guide seat (2) and guide plates (3), the second tool holder (13) is fixed on the mounting guide seat (2), the precision rack (12) is fixed on an inner groove in the length direction of the mounting guide seat (2), the guide plates (3) are fixed on the rotary disc (4), and the guide plates (3) are distributed on two sides of the mounting guide seat (2) so that the mounting guide seat (2) is in sliding fit with a sliding groove formed between the two guide plates (3).
3. The bi-coordinate mobile boring and milling head for machining housing parts on aircraft according to claim 2, characterized in that it further comprises a first shank (1), the first shank (1) being fixedly mountable on a corresponding mounting surface of the guide plate (3).
4. The bi-coordinate moving boring and milling head for machining the shell component on the airplane as claimed in claim 1, wherein the first clutch (91) and the second clutch (92) each comprise a clutch static toothed disc (901), a clutch moving toothed disc (902), a clutch piston (903), a clutch cylinder (904), a clutch transmission shaft (905), a clutch spring baffle (906), a bearing (907), a spring (908) and a guide transmission key (909);
the direct-drive spindle motor rotor assembly (17) is connected with the clutch static fluted disc (901) of the first clutch (91) through a first coupler (18), the output shaft of the cutter linear displacement servo motor (11) is connected with the clutch static fluted disc (901) of the second clutch (92) through a second coupler (10), the second coupler (10) is rotatably connected with the rear seat of the spindle motor shell (7) through a bearing, the clutch dynamic fluted disc (902), the clutch spring baffle (906) and the clutch transmission shaft (905) are connected through the guide transmission key (909), the clutch transmission shaft (905) is connected with the outer side of the transmission gear shaft (19), one end of the clutch transmission shaft (905) is rotatably connected with the clutch static fluted disc (901) through the bearing (907), the other end is rotationally connected with the inner cavity of the clutch cylinder (904) through the bearing (907);
the clutch spring baffle (906) is arranged in a gap between the clutch movable fluted disc (902) and the clutch static fluted disc (901), the spring (908) is connected in a mounting groove of the clutch movable fluted disc (902), the other end of the spring (908) can extend into a clamping groove of the clutch spring baffle (906), and end teeth which are matched with each other are arranged at the butt joint ends of the clutch movable fluted disc (902) and the clutch static fluted disc (901);
a clutch driving compressed air distributor (16) is further installed in the spindle motor shell (7), a clutch piston (903) is assembled in the inner cavity of the clutch cylinder (904), and when the clutch driving compressed air distributor (16) ventilates the clutch cylinder (904), the clutch piston (903) pushes a clutch movable fluted disc (902) to be meshed with a clutch static fluted disc (901), so that the clutch static fluted disc (901) and the transmission gear shaft (19) synchronously rotate.
5. The double coordinate moving boring and milling head for machining housing parts on aircraft according to claim 4, characterized in that the clutch transmission shaft (905) and the transmission gear shaft (19) are connected through a second transmission key (14).
6. The double-coordinate moving boring and milling head for machining the upper shell part of the airplane as claimed in claim 3, wherein the guide plate (3) is provided with a positioning step hole or a positioning groove, the first tool holder (1) is fixed in the positioning step hole on the guide plate (3), the installation guide seat (2) is provided with a positioning groove and a plurality of groups of installation holes, and the second tool holder (13) is fixed in the positioning groove on the installation guide seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257677.3A CN112935302B (en) | 2021-03-10 | 2021-03-10 | Double-coordinate movable boring and milling head for machining upper shell part of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257677.3A CN112935302B (en) | 2021-03-10 | 2021-03-10 | Double-coordinate movable boring and milling head for machining upper shell part of airplane |
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| Publication Number | Publication Date |
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| CN112935302A true CN112935302A (en) | 2021-06-11 |
| CN112935302B CN112935302B (en) | 2022-08-05 |
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| CN207952669U (en) * | 2017-09-01 | 2018-10-12 | 广西汽车集团有限公司 | Boring machine and its mechanical flat rotating disk |
| CN210003704U (en) * | 2019-03-30 | 2020-01-31 | 浙江欧利特科技股份有限公司 | single-point clutch |
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2021
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| CN106624060A (en) * | 2016-12-07 | 2017-05-10 | 汉中蓝天精密机械有限责任公司 | Facing head |
| CN207952669U (en) * | 2017-09-01 | 2018-10-12 | 广西汽车集团有限公司 | Boring machine and its mechanical flat rotating disk |
| CN210003704U (en) * | 2019-03-30 | 2020-01-31 | 浙江欧利特科技股份有限公司 | single-point clutch |
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| CN112935302B (en) | 2022-08-05 |
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