A CNC machining device for weak rigidity aircraft aluminum alloy parts

Abstract

The present invention discloses a CNC machining device for weak-rigidity aircraft aluminum alloy parts, comprising a spindle box, a mounting platform, a mounting box body and an operating box body, wherein the mounting platform is mounted on one side of the spindle box, the mounting box body is mounted on the upper end of the mounting platform, the operating box body is located on one side of the mounting platform, a tool replacement structure is arranged in the operating box body, a sliding machining structure is arranged at the upper end of the mounting box body, a sliding support structure is arranged at the upper end of the mounting platform, and a collection and processing structure is arranged at the lower end of the mounting platform. The present invention relates to the technical field of machining aircraft aluminum alloy parts. The tool replacement structure adopted in the present case can store multiple sets of tools at the same time by means of a tool mounting plate and six placement platforms, and a built-in first servo motor can drive the tool mounting plate and the six placement platforms to rotate, and the workpiece can be taken for use by means of the sliding machining structure according to the machining requirements of the workpiece.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft aluminum alloy part processing, in particular to a numerical control processing device for weak-rigidity aircraft aluminum alloy parts. Background Art

[0002] When processing weak rigidity aircraft aluminum alloy parts, CNC processing equipment is usually used to process the aluminum alloy parts. Due to the processing requirements of weak rigidity aircraft aluminum alloy parts, the existing CNC processing equipment has a small tool storage capacity and it is difficult to meet the special processing requirements of some parts. Therefore, the staff is required to manually change the tool or uniformly replace the tools in the tool magazine. The operation is cumbersome and the device needs to be powered off, which affects the overall processing efficiency of weak rigidity aircraft aluminum alloy parts. In addition, the existing CNC processing equipment only has a collection function for waste chips and cannot compress the waste chips, resulting in the waste chips occupying a large space and being inconvenient for recycling. In view of this, in-depth research was conducted on the above-mentioned problems, and this case was created. Summary of the invention

[0003] To achieve the above objectives, the present invention is implemented through the following technical solutions: a weak rigidity aircraft aluminum alloy parts CNC processing device, including a spindle box, a mounting platform, a mounting box and an operating box, the mounting platform is installed on one side of the spindle box, the mounting box is installed on the upper end of the mounting platform, the operating box is located on one side of the mounting platform, a tool replacement structure is provided in the operating box, a sliding processing structure is provided at the upper end of the mounting box, a sliding support structure is provided at the upper end of the mounting platform, and a collection and processing structure is provided at the lower end of the mounting platform, the tool replacement structure includes: a vertical plate, a first servo motor, a mounting column, six slots, a tool mounting plate, six slide grooves, six placement platforms, a plurality of placement holes, six operating chambers, six rotating rods, six top blocks, six springs and a storage operation assembly;

[0004] The vertical plate is installed on one side of the operation box body, the first servo motor is installed on the upper end of the wall of one side of the vertical plate, the mounting column is installed on the driving end of the first servo motor, the six slots are respectively opened on the side walls of the mounting column, the tool mounting plate is fixedly sleeved on the upper end of the mounting column, the six slide grooves are all opened on the upper wall of the tool mounting plate, one end of the six placement platforms are all embedded in the six slots, and are respectively slidably installed in the six slide grooves, a number of placement holes are all opened on the wall of the six placement platforms, the six operation chambers are all opened on the outer side of the upper wall of the tool mounting plate, the six rotating rods are respectively installed on one side of the six operation chambers, the six top blocks are respectively movably sleeved on the upper ends of the six top blocks, one end of the six springs are respectively installed on the lower wall of the six operation chambers, and the other end is respectively connected to the lower wall of the six top blocks, and the storage operation component is installed at the lower end of the operation box body;

[0005] The storage operation assembly includes: an operation hole, two storage cabinets and a plurality of partitions;

[0006] The operation hole is opened on a side wall of the operation box body, the two storage cabinets are installed at the lower end of the operation box body, and a plurality of partitions are installed in the two storage cabinets respectively.

[0007] Preferably, the sliding processing structure comprises: a second servo motor, a first screw, a moving groove, a first guide rod, a sliding block, a linear slide, an electric push rod, a pneumatic clamp and a cooling spray assembly;

[0008] The second servo motor is installed on one side of the upper end of the spindle box, one end of the first screw is connected to the driving end of the second servo motor, and the other end is installed on the side wall of the installation box through a bearing, the movable groove is opened on the upper wall of the installation box, the first guide rod is installed on the upper wall of the installation box, the sliding block is slidably installed on the first screw and the upper end of the first guide rod, the linear slide is installed on the front wall of the sliding block, the electric push rod is installed on the driving end of the linear slide, the pneumatic clamp is installed on the telescopic end of the electric push rod, the cooling spray assembly is installed on the upper end of the operating box, and one end is embedded in the rear wall of the installation box.

[0009] Preferably, the cooling spray assembly comprises: a water tank, a pump body, a delivery pipe, a spray pipe and a spray head;

[0010] The water tank is installed on the upper wall of the dark-turn box body, the pump body is installed at the lower end of the water tank, one end of the delivery pipe is connected to the liquid outlet end of the pump body, the spray pipe is installed on the rear wall of the installation box body and connected to the other end of the delivery pipe, and the spray head is installed at the lower end of the spray pipe.

[0011] Preferably, the sliding support structure comprises: a third servo motor, a second screw rod, two second guide rods, a slide rail and a tailstock;

[0012] The third servo motor is installed on one side wall of the spindle box, one end of the second screw is connected to the driving end of the third servo motor, and the other end is installed on one side wall of the lower end of the mounting platform through a bearing, the two second guide rods are respectively connected to the spindle box and the mounting platform at both ends, the slide rail is installed on the upper end of the mounting platform, the tail stock is slidably installed in the slide rail, and the bottom end is movably mounted on the second screw and the two second guide rods.

[0013] Preferably, the collection and processing structure comprises: a collection box, a cleaning hole, a cleaning motor, a third screw, a moving block and a scraper;

[0014] The collecting box is installed at the lower end of the installing platform, the cleaning hole is opened on the wall of one side of the collecting box, the cleaning motor is embedded in the wall of one side of the main spindle box, one end of the third screw is connected to the driving end of the cleaning motor, and the other end is installed on the wall of one side of the vertical plate through a bearing, the moving block is slidably mounted on the upper end of the third screw, and the scraper is installed on the lower wall of the moving block.

[0015] Preferably, the mounting post and the tool mounting plate are both hexagonal in shape.

[0016] Preferably, one end of each of the six placement platforms is provided with an insertion rod, one end of each of the six insertion rods is provided with a rubber buffer pad, and the shapes of the six insertion rods match the six slots.

[0017] Preferably, the scraper is in a "Z" shape, and the scraper width matches the width of the collection box.

[0018] Beneficial Effects

[0019] The present invention provides a CNC machining device for weak-rigidity aircraft aluminum alloy parts, which has the following beneficial effects: the tool replacement structure adopted in this case can store multiple groups of tools at the same time through the tool installation disk and six placement platforms, and the built-in first servo motor can drive the tool installation disk and the six placement platforms to rotate. According to the processing requirements of the workpiece, the matching tools are rotated into the installation box and taken out for use through the sliding processing structure. The placement platform adopts a sliding installation method, and the placement platform can be disassembled and replaced at the upper end of the tool installation disk without powering off the equipment. The tool magazine can be replaced during the processing process, and the sliding fixation method makes the replacement of the tool more convenient, reducing the operation time of the tool replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of a CNC machining device for weak-rigidity aircraft aluminum alloy parts described in the present invention.

[0021] Figure 2 The present invention is a schematic diagram of a tool replacement structure of a numerical control machining device for weak-rigidity aircraft aluminum alloy parts.

[0022] Figure 3 The present invention is a schematic diagram of the sliding processing structure of a numerical control processing device for weak rigidity aircraft aluminum alloy parts.

[0023] Figure 4 The present invention provides a schematic top view of a tool replacement structure of a numerical control machining device for weak-rigidity aircraft aluminum alloy parts.

[0024] Figure 5 The present invention is a schematic diagram of the three-dimensional structure of a top block of a numerical control processing device for weak-rigidity aircraft aluminum alloy parts.

[0025] Figure 6 This is a three-dimensional schematic diagram of the collection and processing structure of a CNC machining device for weak-rigidity aircraft aluminum alloy parts described in the present invention.

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the mounting column of the CNC machining device for weak-rigidity aircraft aluminum alloy parts described in the present invention.

[0027] Figure 8 This is a schematic diagram of the enlarged structure of position "A" of a CNC machining device for weak-rigidity aircraft aluminum alloy parts described in the present invention.

[0028] In the figure: 1, spindle box, 2, mounting platform, 3, mounting box, 4, operating box, 5, vertical plate, 6, first servo motor, 7, mounting column, 8, slot, 9, tool mounting plate, 10, slide, 11, placement platform, 12, placement hole, 13, operating cavity, 14, rotating rod, 15, top block, 16, spring, 17, operating hole, 18, storage cabinet, 19, partition, 20, second servo motor, 21, first screw, 22, moving groove, 23, first guide rod , 24, sliding block, 25, linear slide, 26, electric push rod, 27, pneumatic gripper, 28, water tank, 29, pump body, 30, delivery pipe, 31, spray pipe, 32, spray head, 33, the third servo motor, 34, the second screw, 35, the second guide rod, 36, slide rail, 37, tail stock, 38, collection box, 39, cleaning hole, 40, cleaning motor, 41, the third screw, 42, moving block, 43, scraper, 44, plug rod, 45, rubber buffer pad. DETAILED DESCRIPTION

[0029] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0030] Example: See Figure 1 -8, the main components of this case are: a weak rigid aircraft aluminum alloy parts CNC processing device, including a spindle box 1, a mounting platform 2, a mounting box 3 and an operating box 4, the mounting platform 2 is installed on one side of the spindle box 1, the mounting box 3 is installed on the upper end of the mounting platform 2, the operating box 4 is located on one side of the mounting platform 2, a tool replacement structure is provided in the operating box 4, a sliding processing structure is provided at the upper end of the mounting box 3, a sliding support structure is provided at the upper end of the mounting platform 2, and a collection and processing structure is provided at the lower end of the mounting platform 2. The tool replacement structure includes: a vertical plate 5, a first servo motor 6, a mounting column 7, six slots 8, a tool mounting plate 9, six slide grooves 10, six placement platforms 11, a plurality of placement holes 12, six operating chambers 13, six rotating rods 14, six top blocks 15, six springs 16 and a storage operation component;

[0031] The vertical plate 5 is installed on one side of the operation box 4, the first servo motor 6 is installed on the upper end of the wall of one side of the vertical plate 5, the mounting column 7 is installed on the driving end of the first servo motor 6, six slots 8 are respectively opened on the side walls of the mounting column 7, the tool mounting plate 9 is fixedly sleeved on the upper end of the mounting column 7, the six-combination slide grooves 10 are all opened on the upper wall of the tool mounting plate 9, one end of the six placement platforms 11 are all embedded in the six slots 8, and are respectively slidably installed in the six slide grooves 10, a number of placement holes 12 are all opened on the upper wall of the six placement platforms 11, six operation chambers 13 are all opened on the outer side of the upper wall of the tool mounting plate 9, six rotating rods 14 are respectively installed on one side of the six operation chambers 13, six top blocks 15 are respectively movably sleeved on the upper ends of the six top blocks 15, one end of the six springs 16 are respectively installed on the lower wall of the six operation chambers 13, and the other end is respectively connected to the lower wall of the six top blocks 15, and the storage operation assembly is installed at the lower end of the operation box 4;

[0032] The storage operation assembly includes: an operation hole 17, two storage cabinets 18 and a plurality of partitions 19;

[0033] The operation hole 17 is opened on one side wall of the operation box body 4 . Two storage cabinets 18 are installed at the lower end of the operation box body 4 . A plurality of partitions 19 are installed in the two storage cabinets 18 .

[0034] It should be noted that when processing the workpiece, the staff will first place the required tools on the upper ends of the six placement platforms 11 according to different workpiece processing requirements, and then install the six placement platforms 11 on the upper end of the tool mounting plate 9 through the six slide grooves 10, and embed one end of the six placement platforms 11 into the six slots 8 on the upper end of the mounting column 7, and fix one end of the six placement platforms 11. When one end of the six placement platforms 11 is inserted into the six slots 8, the six top blocks 15 in the six operating chambers 13 rotate upward at the upper ends of the six rotating rods 14 under the action of the six springs 16, and limit and fix one side of the six placement platforms 11 through one end of the six top blocks 15 to prevent the six placement platforms 11 from falling off on the upper end of the tool mounting plate 9. After the tool replacement is completed, the first The servo motor 6 works to rotate the required tool into the installation box 3, and then the staff clamps one end of the material in the clamp at the upper end of the spindle box 1, and then drives the sliding support structure to support the other end of the workpiece to prevent the material from shifting during processing. The sliding processing structure is then driven to clamp the tool in the placement platform 11, and cooperates with the spindle box 1 to process the material. During the processing, the placement platform 11 on one side of the operating box 4 can be replaced through the storage operation component according to the processing requirements of the next material. The tool in the placement platform 11 can be replaced without powering off the equipment, thereby increasing the processing efficiency of the material. During the processing, the waste chips generated are compressed by the collection and processing structure, thereby reducing the space occupied by the waste materials and facilitating subsequent cleaning.

[0035] In the specific implementation process, the sliding processing structure includes: a second servo motor 20, a first screw 21, a moving slot 22, a first guide rod 23, a sliding block 24, a linear slide 25, an electric push rod 26, a pneumatic clamp 27 and a cooling spray component;

[0036] The second servo motor 20 is installed on one side of the upper end of the spindle box 1, one end of the first screw 21 is connected to the driving end of the second servo motor 20, and the other end is installed on one side wall of the installation box 3 through a bearing, the movable groove 22 is opened on the upper wall of the installation box 3, the first guide rod 23 is installed on the upper wall of the installation box 3, the sliding block 24 is slidably installed on the first screw 21 and the upper end of the first guide rod 23, the linear slide 25 is installed on the front wall of the sliding block 24, the electric push rod 26 is installed on the driving end of the linear slide 25, the pneumatic clamp 27 is installed on the telescopic end of the electric push rod 26, and the cooling spray assembly is installed on the upper end of the operating box 4, and one end is embedded in the rear wall of the installation box 3.

[0037] It should be noted that when processing materials, the second servo motor 20 is first driven to work, and the electric first screw 21 rotates to move the sliding block 24 to the rightmost side in the movable groove 22 and the upper end of the first guide rod 23, driving the linear slide 25 and the electric push rod 26 to work, and the pneumatic clamp 27 clamps the tool, and the second servo motor 20 is driven again to move the sliding block 24 and the linear slide 25 to the material processing location, and the electric push rod 26 cooperates with the linear slide 25 to adjust the position of the tool clamped by the pneumatic clamp 27. During the processing, the workpiece is sprayed with a cooling spray component to prevent high temperature from damaging the tool.

[0038] In the specific implementation process, the cooling spray assembly includes: a water tank 28, a pump body 29, a delivery pipe 30, a spray pipe 31 and a spray head 32;

[0039] The water tank 28 is installed on the upper wall of the dark-turn box body, the pump body 29 is installed at the lower end of the water tank 28, one end of the delivery pipe 30 is connected to the liquid outlet end of the pump body 29, the spray pipe 31 is installed on the rear wall of the installation box body 3 and connected to the other end of the delivery pipe 30, and the spray head 32 is installed at the lower end of the spray pipe 31.

[0040] It should be noted that when the material is processed, the pump body 29 is driven to work, and the coolant in the water tank 28 is transported to the spray pipe 31 through the delivery pipe 30, and then the coolant is sprayed out by the spray head 32 at the lower end of the spray pipe 31 to spray and cool the material.

[0041] In the specific implementation process, the sliding support structure includes: a third servo motor 33, a second screw 34, two second guide rods 35, a slide rail 36 and a tailstock 37;

[0042] The third servo motor 33 is installed on the side wall of the spindle box 1, one end of the second screw 34 is connected to the driving end of the third servo motor 33, and the other end is installed on the side wall of the lower end of the mounting platform 2 through a bearing, the two second guide rods 35 are respectively connected to the spindle box 1 and the mounting platform 2 at both ends, the slide rail 36 is installed on the upper end of the mounting platform 2, the tailstock 37 is slidably installed in the slide rail 36, and the bottom end is movably mounted on the second screw 34 and the two second guide rods 35.

[0043] It should be noted that when supporting the material, the third servo motor 33 is driven to work, and the second screw 34 is driven to rotate by the third servo motor 33, so that the tail stock 37 moves within the second screw 34, the two second guide rods 35 and the slide rail 36 until one end of the tail stock 37 is in contact with one end of the material, and one end of the material is supported by the tail stock 37 to prevent the material from being displaced.

[0044] In the specific implementation process, the collection and processing structure includes: a collection box 38, a cleaning hole 39, a cleaning motor 40, a third screw 41, a moving block 42 and a scraper 43;

[0045] The collecting box 38 is installed at the lower end of the mounting platform 2, the cleaning hole 39 is opened on the side wall of the collecting box 38, the cleaning motor 40 is embedded in the side wall of the spindle box 1, one end of the third screw 41 is connected to the driving end of the cleaning motor 40, and the other end is installed on the side wall of the vertical plate 5 through a bearing, the moving block 42 is slidably mounted on the upper end of the third screw 41, and the scraper 43 is installed on the lower wall of the moving block 42.

[0046] It should be noted that the debris generated during the processing is collected by the collection box 38. After the processing is completed, the cleaning motor 40 is driven to work, and the third screw 41 is driven by the cleaning motor 40 to rotate, so that the moving block 42 and the scraper 43 move in the collection box 38, and the waste chips in the collection box 38 are scraped to one side and squeezed.

[0047] In the specific implementation process, the shapes of the mounting column 7 and the tool mounting plate 9 are both hexagonal.

[0048] In a specific implementation process, one end of each of the six placement platforms 11 is provided with an insertion rod 44 , one end of each of the six insertion rods 44 is provided with a rubber buffer pad 45 , and the shapes of the six insertion rods 44 match the six slots 8 .

[0049] In a specific implementation process, the scraper 43 has a “Z” shape, and the width of the scraper 43 matches the width of the collection box 38 .

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A weak rigidity aircraft aluminum alloy part CNC machining device, comprising a spindle box (1), a mounting platform (2), a mounting box body (3) and an operating box body (4), wherein the mounting platform (2) is mounted on one side of the spindle box (1), the mounting box body (3) is mounted on the upper end of the mounting platform (2), the operating box body (4) is located on one side of the mounting platform (2), a tool replacement structure is provided in the operating box body (4), a sliding machining structure is provided in the upper end of the mounting box body (3), a sliding support structure is provided at the upper end of the mounting platform (2), and a collection and processing structure is provided at the lower end of the mounting platform (2), characterized in that: The tool replacement structure comprises: a vertical plate (5), a first servo motor (6), a mounting column (7), six slots (8), a tool mounting plate (9), six slide slots (10), six placement platforms (11), a plurality of placement holes (12), six operating chambers (13), six rotating rods (14), six top blocks (15), six springs (16) and a storage operation assembly; The vertical plate (5) is installed on one side of the operating box (4), the first servo motor (6) is installed on the upper end of the wall of one side of the vertical plate (5), the mounting column (7) is installed on the driving end of the first servo motor (6), the six slots (8) are respectively opened on the side wall of the mounting column (7), the tool mounting plate (9) is fixedly mounted on the upper end of the mounting column (7), the six slide grooves (10) are all opened on the upper wall of the tool mounting plate (9), one end of the six placement platforms (11) are all embedded in the six slots (8), and are respectively slidably installed in the six slide grooves (10) The plurality of placement holes (12) are all formed on the upper wall surfaces of the six placement platforms (11), the six operation chambers (13) are all formed on the outer side of the upper wall surface of the tool mounting plate (9), the six rotating rods (14) are respectively installed on one side of the six operation chambers (13), the six top blocks (15) are respectively movably mounted on the upper ends of the six top blocks (15), one end of the six springs (16) are respectively installed on the lower wall surfaces of the six operation chambers (13), and the other ends are respectively connected to the lower wall surfaces of the six top blocks (15), and the storage operation assembly is installed at the lower end of the operation box body (4); The storage operation assembly comprises: an operation hole (17), two storage cabinets (18) and a plurality of partitions (19); The operation hole (17) is opened on a side wall of the operation box (4), the two storage cabinets (18) are installed at the lower end of the operation box (4), and the plurality of partitions (19) are installed in the two storage cabinets (18) respectively.

2. The device for numerically controlling weak rigidity aircraft aluminum alloy parts according to claim 1, characterized in that: The sliding processing structure comprises: a second servo motor (20), a first screw rod (21), a movable groove (22), a first guide rod (23), a sliding block (24), a linear slide (25), an electric push rod (26), a pneumatic clamp (27), and a cooling spray assembly; The second servo motor (20) is mounted on one side of the upper end of the spindle box (1); one end of the first screw rod (21) is connected to the driving end of the second servo motor (20), and the other end is mounted on a side wall of the mounting box (3) through a bearing; the movable groove (22) is opened on the upper wall of the mounting box (3); the first guide rod (23) is mounted on the upper wall of the mounting box (3); the sliding block (24) is slidably mounted on the first screw rod (21) and the upper end of the first guide rod (23); the linear slide (25) is mounted on the front wall of the sliding block (24); the electric push rod (26) is mounted on the driving end of the linear slide (25); the pneumatic clamp (27) is mounted on the telescopic end of the electric push rod (26); the cooling spray assembly is mounted on the upper end of the operating box (4), and one end is embedded in the rear wall of the mounting box (3).

3. The device for numerically controlling a weak rigidity aircraft aluminum alloy part according to claim 2, characterized in that: The cooling spray assembly comprises: a water tank (28), a pump body (29), a delivery pipe (30), a spray pipe (31), and a spray head (32); The water tank (28) is installed on the upper wall of the operating box (4), the pump body (29) is installed at the lower end of the water tank (28), one end of the delivery pipe (30) is connected to the liquid outlet end of the pump body (29), the spray pipe (31) is installed on the rear wall of the installation box (3) and connected to the other end of the delivery pipe (30), and the spray head (32) is installed at the lower end of the spray pipe (31).

4. The device for numerically controlling a weak rigidity aircraft aluminum alloy part according to claim 1, characterized in that: The sliding support structure comprises: a third servo motor (33), a second screw rod (34), two second guide rods (35), a slide rail (36) and a tailstock (37); The third servo motor (33) is mounted on a side wall of the spindle box (1); one end of the second screw rod (34) is connected to the driving end of the third servo motor (33), and the other end is mounted on a side wall of the lower end of the mounting platform (2) through a bearing; two ends of the two second guide rods (35) are respectively connected to the spindle box (1) and the mounting platform (2); the slide rail (36) is mounted on the upper end of the mounting platform (2); the tailstock (37) is slidably mounted in the slide rail (36), and the bottom end is movably mounted on the second screw rod (34) and the two second guide rods (35).

5. The device for numerically controlling a weak rigidity aircraft aluminum alloy part according to claim 1, characterized in that: The collection and processing structure comprises: a collection box (38), a cleaning hole (39), a cleaning motor (40), a third screw (41), a moving block (42) and a scraper (43); The collecting box (38) is installed at the lower end of the mounting platform (2), the cleaning hole (39) is opened on the side wall of the collecting box (38), the cleaning motor (40) is embedded in the side wall of the spindle box (1), one end of the third screw (41) is connected to the driving end of the cleaning motor (40), and the other end is installed on the side wall of the vertical plate (5) through a bearing, the moving block (42) is slidably mounted on the upper end of the third screw (41), and the scraper (43) is installed on the lower wall of the moving block (42).

6. The device for numerically controlling a weak rigidity aircraft aluminum alloy part according to claim 1, characterized in that: The mounting column (7) and the tool mounting plate (9) are both hexagonal in shape.

7. The device for numerically controlling weak rigidity aircraft aluminum alloy parts according to claim 1, characterized in that: One end of each of the six placement platforms (11) is provided with an insertion rod (44), one end of each of the six insertion rods (44) is provided with a rubber buffer pad (45), and the shapes of the six insertion rods (44) match the six slots (8).

8. The device for numerically controlling weak rigidity aircraft aluminum alloy parts according to claim 5, characterized in that: The scraper (43) is in a "Z" shape, and the width of the scraper (43) matches the width of the collection box (38).

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