Aircraft annular accessory inner mortise machining broaching device

Abstract

The invention relates to an aircraft annular accessory inner mortise machining broaching device which comprises a base fixed to a bed frame, a clamping assembly is arranged on the base, a lead screw penetrates through the base and is rotationally connected with the base through a fixed shaft, one end of the lead screw is in transmission connection with a motor, supporting rods are fixed to the two ends of the bed frame, and a first pump cylinder and a second pump cylinder are fixed to the two supporting rods respectively. The screw rod is in threaded connection with a first threaded sleeve and a second threaded sleeve, the first threaded sleeve and the second threaded sleeve are symmetrically arranged on the two sides of the base, vertical frames are fixed to the peripheral walls of the first threaded sleeve and the second threaded sleeve correspondingly, feeding mechanisms are arranged on the vertical frames, tool rests are arranged on the feeding mechanisms, broaching tools are fixed to the upper sides and the lower sides of the tool rests correspondingly, and the cutting directions of the two broaching tools are opposite. And a turnover mechanism for alternately turning over the two broaches is arranged on the feed mechanism. According to the broaching device for machining the inner mortises of the annular accessories of the aircraft, broaching machining of the inner mortises of the annular accessories can be achieved in the reciprocating stroke, automatic feeding is achieved, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the field of aircraft accessory processing, in particular to a device for processing and broaching a mortise and tenon in an aircraft annular accessory. Background Art

[0002] There are many annular accessories in the parts of aircraft, and their inner tenons are usually processed by broaching. Since the existing broaching machines have a long working stroke and only one-way cutting, the efficiency is low, and the feed amount needs to be adjusted each time the tool is fed, which makes the operation cumbersome. In view of this, we propose a broaching device for the inner tenons of aircraft annular accessories. Summary of the invention

[0003] The purpose of the present invention is to provide a device for processing and broaching the inner mortise and tenon of an aircraft annular accessory, so as to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for processing and broaching the inner mortise and tenon of an aircraft annular accessory, comprising a base fixed on the middle part of the upper surface of a bed frame, a clamping assembly for clamping and fixing a workpiece is arranged on the base, a lead screw is passed through the base and connected to a fixed axis rotation, and one end of the lead screw is connected to a motor transmission, support rods are fixed at both ends of the bed frame, and a pump barrel 1 and a pump barrel 2 are respectively fixed on the two support rods, a screw sleeve 1 and a screw sleeve 2 are threadedly connected on the lead screw, and the screw sleeve 1 and the screw sleeve 2 are symmetrically arranged on both sides of the base, a stand is fixed on the outer peripheral wall of the screw sleeve 1 and the screw sleeve 2, and a feed mechanism is arranged on the stand, a tool holder is arranged on the feed mechanism, broaches are fixed on the upper and lower sides of the tool holder, and the cutting directions of the two broaches are arranged in opposite directions, and a flipping mechanism for flipping the two broaches alternately is arranged on the feed mechanism.

[0004] Preferably, the clamping assembly includes a fixed clamping plate and a movable clamping plate, the fixed clamping plate is fixed on the base, the movable clamping plate is slidably connected to the base, and both the fixed clamping plate and the movable clamping plate are provided with avoidance holes for the tool holder and the broach to pass through, the fixed clamping plate and the movable clamping plate are connected by a screw, a supporting plate is fixed on the fixed clamping plate, and the supporting plate passes through and is slidably connected to the movable clamping plate.

[0005] Preferably, screw sleeve 1 and screw sleeve 2 have the same structure and are both slidably connected to the bed frame, on which touch switch 1 and touch switch 2 are fixed, screw sleeve 1 is located between touch switch 1 and the base, and screw sleeve 2 is located between touch switch 2 and the base.

[0006] Preferably, pump barrel 1 and pump barrel 2 have exactly the same structure and are symmetrically arranged. A piston plate is slidably connected inside pump barrel 1, and the piston plate is connected to the opposite end of pump barrel 1 and pump barrel 2 through spring 1. A push rod is fixed to the side of the piston plate facing spring 1. One-way valve 1 and one-way valve 2 are fixed and connected on the side walls of the opposite ends of pump barrel 1 and pump barrel 2. One-way valve 2 is connected to air pipe 1. The conduction direction of one-way valve 1 points to the corresponding inside of the pump barrel, and the conduction direction of one-way valve 2 points to air pipe 1.

[0007] Preferably, the feed mechanism includes a screw rod two which is rotatably connected to the vertical frame, and a slider is threadedly connected to the screw rod two, the slider is slidably connected to the vertical frame, and the two ends of the tool holder are respectively detachably fixedly connected to the two sliders, and the screw rod two is vertically arranged to the tool holder.

[0008] Preferably, the lower end of screw rod two is coaxially fixedly connected to polygonal rod one, and the polygonal rod is rotatably connected to the stand on an axis, the lower end of polygonal rod one is coaxially fixedly connected to polygonal rod two, and the lower end of polygonal rod two is sleeved and slidably connected to shaft sleeve two, the lower end of shaft sleeve two is coaxially fixedly connected to gear four, and the lower end of polygonal rod two is connected to gear four via spring two.

[0009] Preferably, a pump wheel is fixed on the stand, and the impeller of the pump wheel is coaxially fixedly connected to gear five, and gear five is meshingly connected to gear four, and air pipe two is fixed and connected to the peripheral wall of the pump wheel, and air pipe two is connected to the two air pipes one.

[0010] Preferably, the flipping mechanism includes a frame, and rack two and rack three are respectively fixed on the two vertical frames inside the frame, a turntable is provided on the inner side of the frame, and an arc-shaped rack is fixed on the peripheral wall of the turntable, and the arc-shaped rack is alternately meshed with rack two and rack three.

[0011] Preferably, a cantilever is fixed on the slider, and the cantilever passes through and is slidably connected to rack one, the lower end of rack one is fixedly connected to the frame, and gear one is coaxially fixedly connected to both ends of the tool holder near rack one, and gear one is meshingly connected to the corresponding rack one.

[0012] Preferably, an L-shaped suspension rod is fixed on the cantilever, and a shaft rod and a sleeve one are rotatably connected to the L-shaped suspension rod, one end of the shaft rod is coaxially fixedly connected to the turntable, and the other end is coaxially fixedly connected to gear two, the sleeve is set and slidably connected to the polygonal rod one, and a gear three is coaxially fixedly connected to a peripheral wall of the sleeve, and gear three is meshingly connected to gear two.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the annular accessory is clamped and fixed by a clamping assembly, and then the lead screw is driven to rotate by a motor, so that the lead screw drives the broach on the feed mechanism to perform reciprocating broaching processing on the annular accessory, and automatically feeds during the reversing process, and drives the flipping mechanism to flip the broach on the tool holder, thereby achieving the broaching processing of the inner tenon groove of the annular accessory during the reciprocating stroke of the broach, and automatically feeds, which greatly improves the processing efficiency, and does not require manual operation of the feed amount, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The schematic diagram of the cross-sectional structure of the general assembly of the present invention is shown in FIG. Figure 1 ; Figure 2 The schematic diagram of the cross-sectional structure of the general assembly of the present invention is shown in FIG. Figure 2 ; Figure 3 for Figure 1 A is an enlarged structural diagram; Figure 4 for Figure 3 The enlarged structural diagram at B in FIG. Figure 5 It is a side view of the frame structure in the present invention.

[0015] In the figure: 1, bed frame; 2, base; 3, fixed clamping plate; 4, movable clamping plate; 5, avoidance hole; 6, screw rod 1; 7, support plate; 8, lead screw; 9, motor; 10, screw sleeve 1; 11, screw sleeve 2; 12, tool holder; 13, pump barrel 1; 14, pump barrel 2; 15, touch switch 1; 16, touch switch 2; 17, broach; 18, stand; 19, support rod; 20, piston plate; 21, push rod; 22, spring 1; 23, one-way valve 1; 24, one-way valve 2; 25, air pipe 1; 26. Screw 2; 27. Slider; 28. Polygonal rod 1; 29. ​​Pump wheel; 30. Air pipe 2; 31. Gear 1; 32. Cantilever; 33. Frame; 34. L-shaped suspension rod; 35. Rack 1; 36. Shaft rod; 37. Gear 2; 38. Bushing 1; 39. Gear 3; 40. Shaft frame; 41. Polygonal rod 2; 42. Bushing 2; 43. Spring 2; 44. Gear 4; 45. Gear 5; 46. Rack 2; 47. Rack 3; 48. Turntable; 49. Arc rack. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figures 1 to 5 The present invention provides a technical solution: a device for processing and broaching the inner mortise and tenon groove of an aircraft annular accessory, comprising a base 2 fixed to the middle of the upper surface of a bed frame 1, a clamping assembly for clamping and fixing a workpiece is arranged on the base 2, a lead screw 8 is passed through the base 2 and is connected to the fixed axis rotation, and one end of the lead screw 8 is connected to the motor 9 for transmission, support rods 19 are fixed at both ends of the bed frame 1, and a pump barrel 13 and a pump barrel 2 14 are fixed on the two support rods 19, and a threaded connection on the lead screw 8 is provided. A screw sleeve 10 and a screw sleeve 2 11 are connected, and the screw sleeve 10 and the screw sleeve 2 11 are symmetrically arranged on both sides of the base 2, and a stand 18 is fixed on the outer peripheral wall of the screw sleeve 10 and the screw sleeve 2 11, and a feed mechanism is arranged on the stand 18, and a tool holder 12 is arranged on the feed mechanism, and broaches 17 are fixed on the upper and lower sides of the tool holder 12, and the cutting directions of the two broaches 17 are arranged in opposite directions, and a flipping mechanism for alternately flipping the two broaches 17 is arranged on the feed mechanism.

[0018] In this embodiment, the clamping assembly includes a fixed clamping plate 3 and a movable clamping plate 4. The fixed clamping plate 3 is fixed on the base 2, and the movable clamping plate 4 is slidably connected to the base 2. The fixed clamping plate 3 and the movable clamping plate 4 are both provided with avoidance holes 5 for the tool holder 12 and the broach 17 to pass through. The fixed clamping plate 3 and the movable clamping plate 4 are connected by a screw 6. A supporting plate 7 is fixed on the fixed clamping plate 3, and the supporting plate 7 passes through and is slidably connected to the movable clamping plate 4.

[0019] In this embodiment, the screw sleeve 10 and the screw sleeve 2 11 have the same structure and are both slidably connected to the bed frame 1. A touch switch 15 and a touch switch 2 16 are fixed to the bed frame 1. The screw sleeve 10 is located between the touch switch 15 and the base 2, and the screw sleeve 2 11 is located between the touch switch 2 16 and the base 2.

[0020] In this embodiment, pump barrel 13 and pump barrel 2 14 have exactly the same structure and are symmetrically arranged. A piston plate 20 is slidably connected inside pump barrel 13. The piston plate 20 is connected to the opposite end of pump barrel 13 and pump barrel 2 14 through a spring 1 22. A push rod 21 is fixed to the side of the piston plate 20 facing the spring 1 22. A one-way valve 1 23 and a one-way valve 2 24 are fixed and connected on the side walls of the opposite ends of pump barrel 13 and pump barrel 2 14. The one-way valve 24 is connected to the air pipe 1 25. The conduction direction of the one-way valve 1 23 points to the corresponding inside of the pump barrel, and the conduction direction of the one-way valve 24 points to the air pipe 1 25.

[0021] In this embodiment, the feed mechanism includes a screw rod 26 that is fixedly rotatably connected to the stand 18, and the screw rod 26 is threadedly connected to a slider 27, the slider 27 is slidably connected to the stand 18, and the two ends of the tool holder 12 are respectively detachably fixedly connected to the two sliders 27, the screw rod 26 is vertically arranged with the tool holder 12, the lower end of the screw rod 26 is coaxially fixedly connected to a multi-faceted rod 28, the multi-faceted rod 28 is fixedly rotatably connected to the stand 18, and the lower end of the multi-faceted rod 28 is coaxially fixedly connected to the multi-faceted rod Rod No. 2 41, and the lower end of the multi-faceted rod No. 2 41 is sleeved and slidably connected with a sleeve No. 2 42, the lower end of the sleeve No. 2 42 is coaxially fixedly connected with a gear No. 4 44, the lower end of the multi-faceted rod No. 2 41 is connected to the gear No. 4 44 through a spring No. 2 43, a pump wheel 29 is fixed on the stand 18, and the impeller of the pump wheel 29 is coaxially fixedly connected with a gear No. 5 45, and the gear No. 5 45 is meshingly connected with the gear No. 4 44, the peripheral wall of the pump wheel 29 is fixed and connected with an air pipe No. 2 30, and the air pipe No. 2 30 is connected to the two air pipes No. 1 25.

[0022] In this embodiment, the flip mechanism includes a frame 33, and two vertical frames inside the frame 33 are respectively fixed with a rack 2 46 and a rack 3 47, a turntable 48 is provided inside the frame 33, and an arc-shaped rack 49 is fixed on the peripheral wall of the turntable 48, and the arc-shaped rack 49 is alternately meshed with the rack 2 46 and the rack 3 47, a cantilever 32 is fixed on the slider 27, and the cantilever 32 passes through and is slidably connected to the rack 1 35, the lower end of the rack 1 35 is fixedly connected to the frame 33, and the two ends of the tool holder 12 are close to the rack 1 35. 5 are coaxially fixedly connected with a gear 31, and the gear 31 is meshed with the corresponding rack 35, an L-shaped suspension rod 34 is fixed on the cantilever 32, and a shaft rod 36 and a sleeve 1 38 are fixedly connected to the L-shaped suspension rod 34 for fixed axis rotation, one end of the shaft rod 36 is coaxially fixedly connected to the turntable 48, and the other end is coaxially fixedly connected to the gear 2 37, the sleeve 1 38 is sleeved and slidably connected to the polygonal rod 28, and a gear 39 is coaxially fixedly connected to the peripheral wall of the sleeve 1 38, and the gear 39 is meshed with the gear 2 37.

[0023] Working principle and advantages of the present invention: When the device for processing the inner tenon groove of annular accessories of an aircraft is used, the working process is as follows: like Figure 1 and Figure 2 As shown, the annular accessory to be processed is placed on the supporting plate 7 between the fixed clamping plate 3 and the movable clamping plate 4. One or more can be placed according to actual needs, and the movable clamping plate 4 is driven by the screw 6 to approach the annular accessory and clamp it. The tool holder 12 passes through the avoidance hole 5 and the annular accessory and is fixedly installed at both ends on the corresponding two slide blocks 27, as shown in FIG. Figure 3 and 4As shown, the shaft sleeve 2 42 is lifted up so that the gear 44 and the gear 5 45 are disengaged and out of contact, and then the shaft sleeve 2 42 is rotated to drive the polygonal rod 2 41 to rotate, so that the polygonal rod 2 41 drives the polygonal rod 1 28 and the screw rod 2 26 to rotate, and then the screw rod 2 26 drives the slider 27 to move up and down through the threaded transmission, and the height of the tool holder 12 is adjusted to meet the processing requirements.

[0024] As described above, after completing the above work, the motor 9 is started by the controller, so that the motor 9 drives the lead screw 8 to rotate, so that the lead screw 8 drives the screw sleeve 10 and the screw sleeve 2 11 to move right synchronously through the threaded transmission, and drives the tool holder 12 and the broach 17 thereon to move right through the stand 18 and the slider 27, so that the broach 17 on the upper side of the tool holder 12 processes the mortise and tenon in the annular accessory, and when the broach 17 passes through the avoidance hole 5 on the movable clamping plate 4, it contacts and engages with the push rod 21 on the pump barrel 2 14 and drives the piston plate 20 to apply a compressive force to the pump barrel 2 14 through the push rod 21, because the conduction direction of the one-way valve 1 23 points to the corresponding pump barrel, and the conduction direction of the one-way valve 24 points to the air pipe 1 25, so that the air in the pump barrel 2 14 is transported to the air pipe 2 30 through the air pipe 1 25, and drives the impeller in the pump wheel 29 to rotate, as shown in FIG. Figure 4 As shown, the impeller drives the shaft sleeve 2 42 to rotate through the gear 5 45 and the gear 4 44, so that the shaft sleeve 2 42 drives the polygonal rod 2 41 to rotate, the polygonal rod 1 28 and the screw 2 26 to rotate synchronously, and then the screw 2 26 drives the slider 27 to move up through the thread transmission, so that the slider 27 drives the tool holder 12 and the broach 17 thereon to move up, and automatic feeding is realized after single-pass processing. When the polygonal rod 1 28 rotates, the shaft sleeve 1 38 drives the gear 3 39 to rotate, so that the gear 3 39 drives the shaft rod 36 and the turntable 48 to rotate through the gear 2 37, as shown in FIG. Figure 5As shown, the turntable 48 drives the arc rack 49 to rotate, and the arc rack 49 drives the frame 33 to move up through the rack three 47. After the frame 33 moves up, it drives the gear 1 31 to rotate through the rack 1 35, so that the gear 1 31 drives the tool holder 12 and the broach 17 thereon to rotate. When the touch switch 2 16 detects the buckling contact signal of the screw sleeve 2 11, the signal is transmitted to the controller, so that the controller controls the motor 9 to reverse, so that the motor 9 drives the screw sleeve 10 and the screw sleeve 2 11 to move left synchronously through the screw 8. At this time, the piston plate 20 no longer generates a compressive force on the pump barrel 2 14, thereby stopping the air supply to the pump wheel 29. At this time, one feed is completed, and the broach 17 on the lower side of the tool holder 12 is flipped to the upper side, and at this time, the arc The shaped rack 49 just disengages from the rack three 47 and meshes with the rack two 46. The leftward movement of the screw sleeve 10 and the screw sleeve two 11 drives the tool holder 12 and the broach 17 thereon to move leftward through the slider 27, so that the broach 17 on the upper side of the tool holder 12 continues to broach the inner mortise of the annular accessory. When the broach 17 passes through the avoidance hole 5 on the fixed clamping plate 3, it contacts and buckles with the push rod 21 on the pump barrel 13 and drives the piston plate 20 to apply a compressive force to the pump barrel 13 through the push rod 21. Since the conduction direction of the one-way valve 23 points to the inside of the corresponding pump barrel, and the conduction direction of the one-way valve two 24 points to the air pipe one 25, the air in the pump barrel 13 is transported to the air pipe two 30 through the air pipe one 25, and drives the impeller in the pump wheel 29 to rotate again, as shown in FIG. Figure 4 As shown, the impeller drives the shaft sleeve 2 42 to rotate through the gear 5 45 and the gear 4 44, so that the shaft sleeve 2 42 drives the polygonal rod 2 41 to rotate, the polygonal rod 1 28 and the screw 2 26 to rotate synchronously, and then the screw 2 26 drives the slider 27 to move up through the thread transmission, so that the slider 27 drives the tool holder 12 and the broach 17 thereon to move up, and automatic feeding is achieved after this single-pass processing. While the polygonal rod 1 28 rotates, the shaft sleeve 1 38 drives the gear 3 39 to rotate, so that the gear 3 39 drives the shaft rod 36 and the turntable 48 to rotate through the gear 2 37, as shown in FIG. Figure 5As shown, the turntable 48 drives the arc rack 49 to rotate, and the arc rack 49 drives the frame 33 to move downward through the rack 2 46. After the frame 33 moves downward, it drives the gear 1 31 to rotate in the opposite direction through the rack 1 35, so that the gear 1 31 drives the tool holder 12 and the broach 17 thereon to rotate in the opposite direction. When the touch switch 15 detects the buckling contact signal of the screw sleeve 10, the signal is transmitted to the controller, so that the controller controls the motor 9 to reverse again, so that the motor 9 drives the screw sleeve 10 and the screw sleeve 2 1 through the screw screw 8. 1 moves right synchronously. At this time, the piston plate 20 no longer generates a compressive force on the pump barrel 13, thereby stopping the delivery of air to the pump wheel 29. At this time, the feed is completed again, and the broach 17 on the lower side of the tool holder 12 is flipped to the upper side again. At this time, the arc-shaped rack 49 is just disengaged from the rack 2 46 and meshed with the rack 3 47. This cycle is repeated, so that the broach 17 can broach the inner mortise and tenon of the annular accessory in the reciprocating stroke and feed automatically, which greatly improves the processing efficiency and does not require manual operation of the feed amount, saving time and effort.

[0025] As mentioned above, the piston plate 20 applies a compressive force to the inside of the corresponding pump barrel while stretching the spring 22, so that the spring 22 obtains a restoring force. When the force applied by the screw sleeve and the corresponding push rod 21 is small and disengaged, the piston plate 20 applies a suction force to the inside of the corresponding pump barrel under the action of the restoring force of the spring 22. The suction force draws external air into the pump barrel through the one-way valve 23 for use in the next feed.

[0026] After the inner tenon groove of the annular accessory is processed, the tool holder 12 is removed from the slide block 27, and the screw rod 6 is loosened, and then the processed annular accessory is removed from the supporting plate 7.

[0027] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0028] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A device for machining and broaching the inner mortise and tenon of an aircraft annular accessory, comprising a base (2) fixed to the middle of the upper surface of a bed frame (1), characterized in that: The base (2) is provided with a clamping assembly for clamping and fixing a workpiece, a lead screw (8) passes through the base (2) and is rotatably connected to the base (2), and one end of the lead screw (8) is transmission-connected to a motor (9), support rods (19) are fixed at both ends of the bed frame (1), and a pump barrel 1 (13) and a pump barrel 2 (14) are respectively fixed to the two support rods (19), a screw sleeve 1 (10) and a screw sleeve 2 (11) are threadedly connected to the lead screw (8), and the screw sleeve 1 (10) and the ... The second sleeve (11) is symmetrically arranged on both sides of the base (2), and a stand (18) is fixed on the outer peripheral wall of the first screw sleeve (10) and the second screw sleeve (11), and a feed mechanism is arranged on the stand (18), and a tool holder (12) is arranged on the feed mechanism, and broaches (17) are fixed on the upper and lower sides of the tool holder (12), and the cutting directions of the two broaches (17) are arranged in opposite directions, and a flipping mechanism for alternately flipping the two broaches (17) is arranged on the feed mechanism.

2. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 1, characterized in that: The clamping assembly comprises a fixed clamping plate (3) and a movable clamping plate (4), wherein the fixed clamping plate (3) is fixed on the base (2), and the movable clamping plate (4) is slidably connected to the base (2), and both the fixed clamping plate (3) and the movable clamping plate (4) are provided with avoidance holes (5) for the tool holder (12) and the broach (17) to pass through, and the fixed clamping plate (3) and the movable clamping plate (4) are connected by a screw (6), and a supporting plate (7) is fixed on the fixed clamping plate (3), and the supporting plate (7) passes through and is slidably connected to the movable clamping plate (4).

3. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 1, characterized in that: The screw sleeve 1 (10) and the screw sleeve 2 (11) have the same structure and are both slidably connected to the bed frame (1). A touch switch 1 (15) and a touch switch 2 (16) are fixed to the bed frame (1). The screw sleeve 1 (10) is located between the touch switch 1 (15) and the base (2), and the screw sleeve 2 (11) is located between the touch switch 2 (16) and the base (2).

4. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 1, characterized in that: The pump barrel 1 (13) and the pump barrel 2 (14) are completely identical in structure and are symmetrically arranged. A piston plate (20) is slidably connected inside the pump barrel 1 (13). The piston plate (20) is connected to the opposite ends of the pump barrel 1 (13) and the pump barrel 2 (14) through a spring 1 (22). A push rod (21) is fixed to the side of the piston plate (20) facing the spring 1 (22). A one-way valve 1 (23) and a one-way valve 2 (24) are fixed and connected on the side walls of the opposite ends of the pump barrel 1 (13) and the pump barrel 2 (14). The one-way valve 2 (24) is connected to the air pipe 1 (25). The conduction direction of the one-way valve 1 (23) points to the inside of the corresponding pump barrel, and the conduction direction of the one-way valve 2 (24) points to the air pipe 1 (25).

5. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 4, characterized in that: The tool feeding mechanism comprises a second screw rod (26) which is rotatably connected to the stand (18) via a fixed axis, and a slider (27) is threadedly connected to the second screw rod (26). The slider (27) is slidably connected to the stand (18). The two ends of the tool holder (12) are respectively detachably fixedly connected to the two sliders (27). The second screw rod (26) is arranged perpendicular to the tool holder (12).

6. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 5, characterized in that: The lower end of the second screw rod (26) is coaxially fixedly connected to the first polygonal rod (28), and the first polygonal rod (28) is fixedly connected to the stand (18) in a fixed axis rotation manner. The lower end of the first polygonal rod (28) is coaxially fixedly connected to the second polygonal rod (41), and the lower end of the second polygonal rod (41) is sleeved and slidably connected to the second shaft sleeve (42), and the lower end of the second shaft sleeve (42) is coaxially fixedly connected to the fourth gear (44). The lower end of the second polygonal rod (41) is connected to the fourth gear (44) via the second spring (43).

7. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 6, characterized in that: A pump wheel (29) is fixed on the stand (18), and the impeller of the pump wheel (29) is coaxially fixedly connected to gear five (45), and gear five (45) is meshingly connected to gear four (44). Air pipe two (30) is fixed on the peripheral wall of the pump wheel (29) and is connected to the air pipe two (30), and the air pipe two (30) is connected to the two air pipes one (25).

8. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 6, characterized in that: The turning mechanism comprises a frame (33), and two vertical frames inside the frame (33) are respectively fixed with a second rack (46) and a third rack (47), a turntable (48) is arranged inside the frame (33), and an arc-shaped rack (49) is fixed on the peripheral wall of the turntable (48), and the arc-shaped rack (49) is alternately meshed with the second rack (46) and the third rack (47).

9. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 8, characterized in that: A cantilever (32) is fixed on the slider (27), and a rack (35) passes through the cantilever (32) and is slidably connected thereto. The lower end of the rack (35) is fixedly connected to the frame (33). Positions at both ends of the tool holder (12) near the rack (35) are coaxially fixedly connected to a gear (31), and the gear (31) is meshingly connected to the corresponding rack (35).

10. The device for machining and broaching the inner mortise and tenon of an aircraft annular accessory according to claim 9, characterized in that: An L-shaped suspension rod (34) is fixed on the cantilever (32), and a shaft rod (36) and a shaft sleeve (38) are fixedly connected to the L-shaped suspension rod (34) for fixed-axis rotation. One end of the shaft rod (36) is coaxially fixedly connected to the turntable (48), and the other end is coaxially fixedly connected to the gear (37). The shaft sleeve (38) is sleeved and slidably connected to the polygonal rod (28), and a gear (39) is coaxially fixedly connected to the peripheral wall of the shaft sleeve (38). The gear (39) is meshingly connected to the gear (37).

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