Direction-changing air jet flow flexible supporting device for mirror image machining

Abstract

The utility model discloses a turning air jet flexible support device for mirror image processing, which comprises a support base, an outer shell is fixed on the top of the support base through a bolt, an upper end cover is fixed on the top of the outer shell through a bolt, a side end cover is fixed on one side of the outer shell through a bolt, and the side end cover is fixed on the other side of the outer shell through a bolt. An air jet flow nozzle is fixed to one side of the outer shell through bolts, a diffusion angle hole is formed in the air jet flow nozzle, two two-position two-way electromagnetic valves and two clamping sleeve adapters are fixed to the inner wall of the outer shell through bolts, and the two-position two-way electromagnetic valves are connected with the clamping sleeve adapters. And an air inlet pipeline is inserted into one side of one clamping sleeve adapter. According to the utility model, the problem that a component is damaged by a supporting surface is avoided, and under the action of negative pressure air jet flow, the generated negative pressure can counteract milling tension during large cutting depth, so that the overcut effect of the component is avoided, large suction force and jet flow contact area can be provided, the rigidity of the component is improved, the deformation of the component is reduced, and the processing vibration is inhibited.

Description

Technical Field

[0001] The utility model relates to the technical field of weak rigidity thin-wall component processing, in particular to a direction-changing air jet flexible supporting device for mirror image processing. Background Art

[0002] Weakly rigid thin-walled components are widely used in the aerospace industry, such as aircraft skins, rocket fuel tanks, and aerodynamic shapes of aircraft. These components have complex contours, large sizes, and are thin, which are prone to deformation and processing vibration during processing. At present, mirror processing technology, which has the advantages of environmental protection, high precision and high efficiency, is applied to the processing of thin-walled components. The mirror processing system consists of two symmetrically arranged CNC machine tools, one of which is equipped with processing equipment for processing, and the other is equipped with a support device for supporting the workpiece. The two maintain a mirror relationship in real time during the movement. Due to the introduction of the support device, the mirror processing system can effectively suppress component deformation and processing vibration during the processing process, improve component rigidity, and ensure the processing surface quality and processing accuracy.

[0003] At present, the existing mirror processing support devices are mostly some rigid supports, flexible supports and rigid-flexible supports. Chinese Patent Application No. 202110541315.7 discloses a magnetorheological adaptive stiffness support device for mirror processing of large thin-walled parts. The invention uses three magnetorheological controllable adjustment units to support the component, and controls the change of magnetorheological fluid stiffness by controlling the excitation coil to provide support force; Chinese Patent Application No. 201510038101.2 discloses a rigid-flexible multi-point follow-up support head for mirror processing. The invention uses main universal balls and auxiliary universal balls to support thin-walled components, and the size of the support force is passively adjusted by the spring. Although the above inventions can effectively suppress the processing deformation and vibration of the component, the balls at the support end are in direct contact with the component, and the balls are rigid support units, so it is difficult to avoid damage to the supported surface of the component; and the support device of the above invention can only provide unidirectional support force, and it is difficult to avoid the overcut effect during the mirror processing process. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the ball at its supporting end is in direct contact with the component, the ball is a rigid supporting unit, and it is difficult to avoid damage to the supported surface of the component; and the supporting device of the above invention can only provide unidirectional supporting force, and it is difficult to avoid the overcutting effect during the mirror processing. Therefore, a flexible supporting device of a changing direction air jet for mirror processing is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A flexible support device for changing direction gas jet for mirror processing, comprising a support base, an outer shell fixed to the top of the support base by bolts, and an upper end cover fixed to the top of the outer shell by bolts, a side end cover fixed to one side of the outer shell by bolts, an air jet nozzle fixed to one side of the outer shell by bolts, a diffusion angle hole is provided inside the air jet nozzle, two two-position two-way solenoid valves and two ferrule adapters are fixed to the inner wall of the outer shell by bolts, and the two-position two-way solenoid valve is connected to the ferrule adapter, one side of one of the ferrule adapters is plugged with an air inlet pipe, and one side of the other ferrule adapter is plugged with an outlet pipe, one end of the air inlet pipe and one end of the outlet pipe are both connected to a three-way ball valve, one end of the three-way ball valve is plugged with a relay pipe, a mounting hole is provided at the bottom of the relay pipe, and a gas pressure sensor is threadedly connected to the mounting hole.

[0007] Furthermore, heat dissipation holes are provided on both sides of the outer shell.

[0008] Furthermore, a negative pressure pipe hole and a positive pressure pipe hole are respectively opened on one side of the side end cover, and the negative pressure pipe hole and the positive pressure pipe hole are respectively plugged with a negative pressure pipe and a positive pressure pipe.

[0009] Furthermore, a positioning shoulder is provided on one side of the relay pipe, a sealing groove is provided on one side of the relay pipe, and a stepped hole is provided on one side of the air jet nozzle.

[0010] Furthermore, a plurality of angle brackets are fixed to the inner wall of the outer shell by bolts.

[0011] Furthermore, a cable outlet is provided on one side of the side end cover.

[0012] The beneficial effects of the utility model are:

[0013] The support unit of the utility model is a reversing air jet nozzle support, which is a flexible support unit, and the nozzle does not directly contact the component, avoiding the problem of damage to the supported surface of the component. When the negative pressure air jet acts, the negative pressure generated can offset the milling pull during large cutting depths, avoiding the overcutting effect of the component. The reversing of the reversing air jet is controlled by two solenoid valves, and the three-way ball valve ensures the normal operation of the reversing air jet, which is safe and reliable, and easy to control. The inside of the air jet nozzle is a diffuser angle hole structure to provide large suction and jet contact area, improve component rigidity, reduce component deformation, and suppress processing chatter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the flexible support device for the deflection air jet used for mirror processing proposed by the utility model;

[0015] Figure 2 This is a rear view structural schematic diagram of the deflection air jet flexible support device for mirror processing proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the deflection air jet flexible support device for mirror processing proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the air jet nozzle of the deflection air jet flexible support device for mirror processing proposed by the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the relay tube of the flexible support device for the deflection air jet used for mirror processing proposed by the utility model.

[0019] In the figure: 1. Support base; 2. Outer shell; 201. Heat dissipation hole; 3. Upper end cover; 4. Side end cover; 401. Negative pressure pipe hole; 402. Positive pressure pipe hole; 403. Cable outlet; 5. Air jet nozzle; 501. Step hole; 502. Diffusion angle hole; 6. Two-position two-way solenoid valve; 7. Ferrule adapter; 8. Inlet pipe; 9. Angle code; 10. Three-way ball valve; 11. Relay pipe; 1101. Positioning shaft shoulder; 1102. Sealing groove; 1103. Mounting hole; 12. Gas pressure sensor; 13. Outlet pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 5 The invention discloses a flexible support device for changing direction of air jet for mirror processing, comprising a support base 1, a shell body 2 is fixed to the top of the support base 1 by bolts, and an upper end cover 3 is fixed to the top of the shell body 2 by bolts, a side end cover 4 is fixed to one side of the shell body 2 by bolts, an air jet nozzle 5 is fixed to one side of the shell body 2 by bolts, a diffusion angle hole 502 is opened inside the air jet nozzle 5, two two-position two-way solenoid valves 6 and two ferrule adapters 7 are fixed to the inner wall of the shell body 2 by bolts, and the two-position two-way solenoid valve .... The magnetic valve 6 is connected to the ferrule adapter 7, one side of which is plugged with an inlet pipe 8, and the other side of which is plugged with an outlet pipe 13, one end of the inlet pipe 8 and one end of the outlet pipe 13 are both connected to the three-way ball valve 10, one end of the three-way ball valve 10 is plugged with a relay pipe 11, a mounting hole 1103 is provided at the bottom of the relay pipe 11, and a gas pressure sensor 12 is threadedly connected to the mounting hole 1103, and the gas pressure sensor 12 can measure the gas pressure value in real time.

[0022] Among them, heat dissipation holes 201 are opened on both sides of the outer shell 2, and a negative pressure pipe hole 401 and a positive pressure pipe hole 402 are respectively opened on one side of the side end cover 4. The negative pressure pipe hole 401 and the positive pressure pipe hole 402 are respectively plugged with negative pressure pipes and positive pressure pipes, and the negative pressure pipe and the positive pressure pipe are respectively connected to one side of two two-position two-way solenoid valves 6.

[0023] A positioning shoulder 1101 is provided on one side of the relay pipe 11 , a sealing groove 1102 is provided on one side of the relay pipe 11 , and a stepped hole 501 is provided on one side of the air jet nozzle 5 , and the stepped hole 501 matches the sealing groove 1102 .

[0024] Among them, a plurality of angle brackets 9 are fixed to the inner wall of the outer shell 2 by bolts, and the other ends of the angle brackets 9 are respectively connected to the upper end cover 3 and the side end cover 4. A cable outlet 403 for inserting the power supply cable is opened on one side of the side end cover 4.

[0025] The working principle of this embodiment: when in use, when the thin-walled parts are mirror-processed, the rear end cover 4 is provided with a negative pressure pipe hole 401 and a positive pressure pipe hole 402 for installing the negative pressure pipe and the positive pressure pipe, so as to connect the gas source, and the two-position two-way solenoid valve 6 is used to control the jet pressure ejected from the air jet nozzle 5, and the gas pressure sensor 12 is used to measure the pressure of the air flow and feed it back to the two-position two-way solenoid valve 6 to realize closed-loop control of the water pump pressure, and the reversing of the reversing air jet is controlled by two two-position two-way solenoid valves 6, and the three-way ball valve 10 ensures the normal operation of the reversing air jet, and the interior of the air jet nozzle 5 is a diffusion angle hole 502 structure to provide a large suction force and jet contact area.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flexible support device for a deflecting air jet for mirror processing, comprising a support base (1), a housing (2) being fixed to the top of the support base (1) by bolts, an upper end cover (3) being fixed to the top of the housing (2) by bolts, and a side end cover (4) being fixed to one side of the housing (2) by bolts, characterized in that: An air jet nozzle (5) is fixed to one side of the outer shell (2) by bolts, and a diffusion angle hole (502) is provided inside the air jet nozzle (5). Two two-position two-way solenoid valves (6) and two ferrule adapters (7) are fixed to the inner wall of the outer shell (2) by bolts, and the two-position two-way solenoid valve (6) is connected to the ferrule adapter (7). An air inlet pipe (8) is inserted into one side of one ferrule adapter (7), and an outlet pipe (13) is inserted into one side of the other ferrule adapter (7). One end of the air inlet pipe (8) and one end of the outlet pipe (13) are both connected to a three-way ball valve (10), and a relay pipe (11) is inserted into one end of the three-way ball valve (10). A mounting hole (1103) is provided at the bottom of the relay pipe (11), and a gas pressure sensor (12) is connected to the inner thread of the mounting hole (1103).

2. The deflection air jet flexible support device for mirror processing according to claim 1 is characterized in that: Heat dissipation holes (201) are provided on both sides of the outer shell (2).

3. The deflection air jet flexible support device for mirror processing according to claim 1 is characterized in that: A negative pressure pipeline hole (401) and a positive pressure pipeline hole (402) are respectively opened on one side of the side end cover (4), and the negative pressure pipeline hole (401) and the positive pressure pipeline hole (402) are respectively plugged with a negative pressure pipeline and a positive pressure pipeline.

4. The deflection air jet flexible support device for mirror processing according to claim 1, characterized in that: A positioning shoulder (1101) is provided on one side of the relay pipe (11), a sealing groove (1102) is provided on one side of the relay pipe (11), and a stepped hole (501) is provided on one side of the air jet nozzle (5).

5. The deflection air jet flexible support device for mirror processing according to claim 1, characterized in that: The inner wall of the outer shell (2) is fixed with a plurality of angle brackets (9) by means of bolts.

6. The deflection air jet flexible support device for mirror processing according to claim 1, characterized in that: A cable outlet (403) is provided on one side of the side end cover (4).

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