Drilling device for aircraft engine part machining

Abstract

The utility model discloses a drilling device for processing aircraft engine parts, which comprises a base, a driving component is connected inside the base, the upper end of the driving component is connected with a limiting component, the upper end of the base is connected with a drilling component, and the outer end of the base is connected with a depth adjusting component. A depth adjusting assembly is arranged, a PLC controls a linear motor to drive a sliding block, a connecting rod and a positioning arc-shaped block to move up and down, the height of the positioning arc-shaped block is adjusted, an infrared distance measuring sensor detects the distance between the positioning arc-shaped block and a second servo motor, and therefore the drilling depth of the drill rod is controlled, and the drilling depth of the drill rod is limited; compared with a common drill bit limiting ring, the drill bit limiting ring has the advantages that the positioning arc-shaped block does not need to be fixed to a drill bit through a screw and does not make contact or rub with the drill bit, use is more convenient, abrasion is reduced, and the accuracy is higher.

Description

Technical Field

[0001] The utility model relates to the field of aircraft engine parts processing, in particular to a drilling device for aircraft engine parts processing. Background Art

[0002] A drilling device is a tool or device used for drilling holes. When processing aircraft engine parts, it is often necessary to use a drilling device to drill holes in the parts.

[0003] Application number: CN202321765612.0, discloses a drilling device, which can conveniently control the movement of the clamping plate by setting an operating rod, so as to conveniently fix the drilling device on the part to be processed;

[0004] However, when drilling holes in aircraft engine parts, most existing drilling devices are difficult to accurately control and adjust the drilling depth, which may affect the accuracy of drilling holes in aircraft engine parts processing and the quality of engine processing. For this reason, we propose a drilling device for processing aircraft engine parts. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a drilling device for processing aircraft engine parts. By setting a depth adjustment component, a PLC controller controls the linear motor to drive the sliding block, the connecting rod, and the positioning arc block to move up and down, and adjusts the height of the positioning arc block. The infrared ranging sensor detects the distance between the positioning arc block and the servo motor 2, thereby controlling the depth of the drill rod that can be drilled, and limiting the depth of the drill rod drilling, so that the depth of the drilling of aircraft engine parts can be accurately controlled. Unlike the general drill bit limit ring, the positioning arc block does not need to be fixed with screws and the drill bit, and will not contact and rub with the drill bit. It is more convenient to use, reduces wear, and has higher accuracy.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A drilling device for machining aircraft engine parts, comprising a base, a driving assembly is connected inside the base, a limit assembly is connected to the upper end of the driving assembly, a drilling assembly is connected to the upper end of the base, and a depth adjustment assembly is connected to the outer end of the base;

[0008] The depth adjustment assembly includes a lifting seat, which is fixedly connected to the left and right ends of the base, and a slide groove is opened on the opposite end surface of the lifting seat, and a linear guide is fixedly connected to the inside of the lifting seat, and a linear motor is slidably connected to the outside of the linear guide, and a sliding block is fixedly connected to the outside of the linear motor, and a connecting rod is fixedly connected to the outer end of the sliding block, and a positioning arc block is fixedly connected to the end of the connecting rod away from the sliding block, and an infrared ranging sensor is fixedly connected to the upper end of the positioning arc block, and the outer end of the lifting seat is fixedly connected to a PLC controller.

[0009] By setting the depth adjustment component, the PLC controller controls the linear motor to drive the sliding block, connecting rod, and positioning arc block to move up and down, and adjusts the height of the positioning arc block. The infrared ranging sensor detects the distance between the positioning arc block and servo motor 2, thereby controlling the depth of the drill rod that can be drilled, and limiting the depth of the drill rod drilling, so that the depth of the drilling of aircraft engine parts can be accurately controlled. Unlike the general drill bit limit ring, the positioning arc block does not need to be fixed with screws and drill bits, and will not contact and rub with the drill bit. It is more convenient to use, reduces wear, and has higher accuracy.

[0010] Furthermore, the sliding block passes through slide slot one and is slidably connected to slide slot one, the positioning arc blocks are symmetrically distributed on the left and right, the infrared ranging sensor is connected to the PLC controller signal, and the PLC controller is connected to the linear motor signal.

[0011] Furthermore, the limit assembly includes a limit seat, which is slidably connected to the upper end of the base, and a second slide groove is provided at the bottom of the limit seat. A moving block is slidably connected inside the second slide groove, and the upper end of the moving block is fixedly connected to the limit plate. The outer end of the limit plate is rotatably connected to a threaded rod, which passes through the limit seat and is threadedly connected to the limit seat, and the end of the threaded rod away from the limit plate is fixedly connected to a handwheel.

[0012] By setting a limit assembly and rotating the hand wheel, the threaded rod is driven to rotate and move left and right, thereby driving the limit plate and the moving block to slide left and right along the second slide groove, adjusting the distance between the two limit plates, thereby limiting the plate-shaped aircraft engine parts.

[0013] Furthermore, the driving assembly includes a servo motor 1, which is fixedly connected to the front end of the base, and a slide groove 3 is provided at the upper end of the base. The rear end of the output end of the servo motor 1 is fixedly connected to a screw rod, and the outside of the screw rod is movably connected to a ball nut seat, and the ball nut seat is adapted to the screw rod.

[0014] Furthermore, a slider is fixedly connected to the upper end of the ball nut seat, the slider passes through the slide groove three and is slidably connected to the slide groove three, and the slider is fixedly connected to the limit seat.

[0015] Furthermore, a guide rod is fixedly connected to the inside of the base, a guide block is slidably connected to the outside of the guide rod, and the guide block is fixedly connected to the lower end of the ball nut seat.

[0016] Furthermore, the drilling assembly includes a back plate, which is fixedly connected to the upper end of the base, the upper end of the back plate is fixedly connected to a top plate, the lower end of the top plate is fixedly connected to a hydraulic cylinder, and the lower end of the output end of the hydraulic cylinder is fixedly connected to an output rod.

[0017] Furthermore, the lower end of the output rod is fixedly connected to a servo motor 2, the lower end of the output end of the servo motor 2 is fixedly connected to a drill rod, and the positioning arc block is movably arranged outside the drill rod.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. By setting the depth adjustment component, the PLC controller controls the linear motor to drive the sliding block, the connecting rod, and the positioning arc block to move up and down, and adjusts the height of the positioning arc block. The infrared distance sensor detects the distance between the positioning arc block and the servo motor 2, thereby controlling the depth of the drill rod that can be drilled, and limiting the depth of the drill rod drilling, so that the depth of the drilling of aircraft engine parts can be accurately controlled. Unlike the general drill bit limit ring, the positioning arc block does not need to be fixed with screws and drill bits, and will not contact and rub with the drill bit, which is more convenient to use, reduces wear, and has higher accuracy;

[0020] 2. By setting the limit assembly and turning the hand wheel, the threaded rod is driven to rotate and move left and right, thereby driving the limit plate and the moving block to slide left and right along the second slide groove, and adjusting the distance between the two limit plates, thereby limiting the plate-shaped aircraft engine parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0022] Figure 2 is a schematic diagram of a partial three-dimensional structure of the depth adjustment component in this embodiment;

[0023] Figure 3 is a three-dimensional structural diagram of the limit assembly in this embodiment;

[0024] Figure 4 is a schematic diagram of the three-dimensional structure of the drilling assembly in this embodiment;

[0025] Figure 5It is a schematic diagram of the structure of the drive component plane in this embodiment.

[0026] In the figure, 1, base; 2, drive assembly; 201, servo motor one; 202, slide slot three; 203, screw rod; 204, ball nut seat; 205, slider; 206, guide rod; 207, guide block; 3, limit assembly; 301, limit seat; 302, slide slot two; 303, moving block; 304, limit plate; 305, threaded rod; 306, hand wheel; 4, drilling assembly; 401, back plate; 402, top plate; 403, hydraulic cylinder; 404, output rod; 405, servo motor two; 406, drill rod; 5, depth adjustment assembly; 501, lifting seat; 502, slide slot one; 503, linear guide; 504, linear motor; 505, sliding block; 506, connecting rod; 507, positioning arc block; 508, infrared ranging sensor; 509, PLC controller. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] Reference Figure 1 As shown, a drilling device for machining aircraft engine parts in a preferred embodiment of the utility model comprises a base 1, a driving assembly 2 is connected inside the base 1, a limiting assembly 3 is connected to the upper end of the driving assembly 2, a drilling assembly 4 is connected to the upper end of the base 1, and a depth adjustment assembly 5 is connected to the outer end of the base 1;

[0030] Reference Figure 1-Figure 2 As shown, the depth adjustment component 5 includes a lifting seat 501, which is fixedly connected to the left and right ends of the base 1, and a slide groove 502 is provided on the opposite end surface of the lifting seat 501. The interior of the lifting seat 501 is fixedly connected to a linear guide rail 503, and the exterior of the linear guide rail 503 is slidably connected to a linear motor 504. The exterior of the linear motor 504 is fixedly connected to a sliding block 505, and the outer end of the sliding block 505 is fixedly connected to a connecting rod 506, and the end of the connecting rod 506 away from the sliding block 505 is fixedly connected to a positioning arc block 507, and the upper end of the positioning arc block 507 is fixedly connected to an infrared ranging sensor 508, and the outer end of the lifting seat 501 is fixedly connected to a PLC controller 509.

[0031] By setting the depth adjustment component 5, the PLC controller 509 controls the linear motor 504 to drive the sliding block 505, the connecting rod 506, and the positioning arc block 507 to move up and down, and adjust the height of the positioning arc block 507. The infrared ranging sensor 508 detects the distance between the positioning arc block 507 and the servo motor 405, thereby controlling the depth of the hole that can be drilled by the drill rod 406, and limiting the depth of the hole drilled by the drill rod 406, so that the depth of the drilling of aircraft engine parts can be accurately controlled. Unlike the general drill bit limit ring, the positioning arc block 507 does not need to be fixed with screws and drill bits, and will not contact and rub with the drill bit, so it is more convenient to use, reduces wear, and has higher accuracy.

[0032] Reference Figure 1-Figure 2 As shown, the sliding block 505 passes through the slide groove 502 and is slidably connected to the slide groove 502, the positioning arc block 507 is symmetrically distributed on the left and right, the infrared ranging sensor 508 is signal-connected to the PLC controller 509, and the PLC controller 509 is signal-connected to the linear motor 504.

[0033] Reference Figure 1 and Figure 3 As shown, the limit assembly 3 includes a limit seat 301, which is slidably connected to the upper end of the base 1. A second slide groove 302 is provided at the bottom of the limit seat 301. A moving block 303 is slidably connected inside the second slide groove 302. The upper end of the moving block 303 is fixedly connected to a limit plate 304. The outer end of the limit plate 304 is rotatably connected to a threaded rod 305. The threaded rod 305 penetrates the limit seat 301 and is threadedly connected to the limit seat 301. The end of the threaded rod 305 away from the limit plate 304 is fixedly connected to a hand wheel 306.

[0034] By setting the limit assembly 3 and rotating the hand wheel 306, the threaded rod 305 is driven to rotate and move left and right, thereby driving the limit plate 304 and the moving block 303 to slide left and right along the second slide groove 302, and adjusting the distance between the two limit plates 304, thereby playing a limiting role on the plate-shaped aircraft engine parts.

[0035] Reference Figure 1 and Figure 5 As shown, the drive assembly 2 includes a servo motor 201, which is fixedly connected to the front end of the base 1. A slide groove 202 is provided at the upper end of the base 1. A screw rod 203 is fixedly connected to the rear end of the output end of the servo motor 201. The external part of the screw rod 203 is movably connected to a ball nut seat 204, and the ball nut seat 204 is adapted to the screw rod 203.

[0036] Reference Figure 1 and Figure 5As shown, the upper end of the ball nut seat 204 is fixedly connected with a slider 205 , the slider 205 passes through the slide groove 3 202 and is slidably connected to the slide groove 3 202 , and the slider 205 is fixedly connected to the limit seat 301 .

[0037] By setting the driving component 2, the servo motor 201 drives the screw rod 203 to rotate, thereby driving the ball nut seat 204, the slider 205, and the limit seat 301 to move forward and backward, and adjusting the front and rear positions of the limit seat 301 to facilitate drilling holes at different positions of components.

[0038] Reference Figure 1 and Figure 5 As shown, the inside of the base 1 is fixedly connected with a guide rod 206 , the outside of the guide rod 206 is slidably connected with a guide block 207 , and the guide block 207 is fixedly connected to the lower end of the ball nut seat 204 .

[0039] The guide rod 206 and the guide block 207 can guide the ball nut seat 204 .

[0040] Reference Figure 1 and Figure 4 As shown, the drilling assembly 4 includes a back plate 401, which is fixedly connected to the upper end of the base 1, the upper end of the back plate 401 is fixedly connected to a top plate 402, the lower end of the top plate 402 is fixedly connected to a hydraulic cylinder 403, and the lower end of the output end of the hydraulic cylinder 403 is fixedly connected to an output rod 404.

[0041] By setting the drilling assembly 4, the hydraulic cylinder 403 drives the output rod 404 and the drill rod 406 to move up and down, and the height of the drill rod 406 is adjusted to drill holes in different parts.

[0042] Reference Figure 1 and Figure 4 As shown, the lower end of the output rod 404 is fixedly connected to the servo motor 405 , the lower end of the output end of the servo motor 405 is fixedly connected to the drill rod 406 , and the positioning arc block 507 is movably arranged outside the drill rod 406 .

[0043] By providing a servo motor 405, the drill rod 406 can be driven to rotate, and in conjunction with the hydraulic cylinder 403, holes can be drilled into aircraft engine parts.

[0044] Specific implementation process: rotating the hand wheel 306 drives the threaded rod 305 to rotate and move left and right, thereby driving the limit plate 304 and the moving block 303 to slide left and right along the second slide groove 302, adjusting the distance between the two limit plates 304, thereby limiting the plate-shaped aircraft engine parts;

[0045] Then, the PLC controller 509 controls the linear motor 504 to drive the sliding block 505, the connecting rod 506, and the positioning arc block 507 to move up and down, and adjusts the height of the positioning arc block 507 so that the positioning arc block 507 fits the top of the plate-shaped component. Then, the hydraulic cylinder 403 drives the output rod 404 and the drill rod 406 to move downward. At the same time, the servo motor 2 405 drives the drill rod 406 to rotate to drill holes.

[0046] At the same time, the infrared ranging sensor 508 detects the distance between the positioning arc block 507 and the servo motor 405, thereby controlling the depth of the hole that can be drilled by the drill rod 406, and limiting the depth of the hole drilled by the drill rod 406. When the distance reaches a predetermined value, the PLC controller 509 is used to control the shutdown of the servo motor 405 and the hydraulic cylinder 403 to stop drilling, thereby accurately controlling the depth of the drilling of aircraft engine parts.

[0047] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A drilling device for machining aircraft engine parts, characterized in that: The base (1) comprises a driving assembly (2) connected inside the base (1), the upper end of the driving assembly (2) is connected to a limiting assembly (3), the upper end of the base (1) is connected to a drilling assembly (4), and the outer end of the base (1) is connected to a depth adjustment assembly (5); The depth adjustment assembly (5) comprises a lifting seat (501), wherein the lifting seat (501) is fixedly connected to the left and right ends of the base (1), and a slide groove (502) is provided on the opposite end surface of the lifting seat (501). A linear guide rail (503) is fixedly connected inside the lifting seat (501), a linear motor (504) is slidably connected outside the linear guide rail (503), a sliding block (505) is fixedly connected outside the linear motor (504), a connecting rod (506) is fixedly connected to the outer end of the sliding block (505), a positioning arc block (507) is fixedly connected to the end of the connecting rod (506) away from the sliding block (505), an infrared distance measuring sensor (508) is fixedly connected to the upper end of the positioning arc block (507), and a PLC controller (509) is fixedly connected to the outer end of the lifting seat (501).

2. A drilling device for machining aircraft engine parts according to claim 1, characterized in that: The sliding block (505) passes through the slide groove (502) and is slidably connected to the slide groove (502); the positioning arc blocks (507) are symmetrically distributed on the left and right; the infrared distance measuring sensor (508) is signal-connected to the PLC controller (509); and the PLC controller (509) is signal-connected to the linear motor (504).

3. The drilling device for machining aircraft engine parts according to claim 1, characterized in that: The limit assembly (3) comprises a limit seat (301), the limit seat (301) is slidably connected to the upper end of the base (1), a second slide groove (302) is provided at the bottom of the limit seat (301), a moving block (303) is slidably connected inside the second slide groove (302), the upper end of the moving block (303) is fixedly connected to a limit plate (304), the outer end of the limit plate (304) is rotatably connected to a threaded rod (305), the threaded rod (305) passes through the limit seat (301) and is threadedly connected to the limit seat (301), and one end of the threaded rod (305) away from the limit plate (304) is fixedly connected to a hand wheel (306).

4. A drilling device for machining aircraft engine parts according to claim 3, characterized in that: The driving assembly (2) comprises a servo motor 1 (201), the servo motor 1 (201) being fixedly connected to the front end of the base (1), a slide groove 3 (202) being provided at the upper end of the base (1), a screw rod (203) being fixedly connected to the rear end of the output end of the servo motor 1 (201), the outside of the screw rod (203) being movably connected to a ball nut seat (204), and the ball nut seat (204) being adapted to the screw rod (203).

5. The drilling device for machining aircraft engine parts according to claim 4, characterized in that: The upper end of the ball nut seat (204) is fixedly connected with a slider (205), the slider (205) passes through the slide groove three (202) and is slidably connected to the slide groove three (202), and the slider (205) is fixedly connected to the limit seat (301).

6. The drilling device for machining aircraft engine parts according to claim 5, characterized in that: The base (1) is fixedly connected to a guide rod (206) inside, the guide rod (206) is slidably connected to a guide block (207) outside, and the guide block (207) is fixedly connected to the lower end of the ball nut seat (204).

7. The drilling device for machining aircraft engine parts according to claim 1, characterized in that: The drilling assembly (4) comprises a back plate (401), the back plate (401) being fixedly connected to the upper end of the base (1), the upper end of the back plate (401) being fixedly connected to a top plate (402), the lower end of the top plate (402) being fixedly connected to a hydraulic cylinder (403), and the lower end of the output end of the hydraulic cylinder (403) being fixedly connected to an output rod (404).

8. The drilling device for machining aircraft engine parts according to claim 7, characterized in that: The lower end of the output rod (404) is fixedly connected to a servo motor 2 (405), the lower end of the output end of the servo motor 2 (405) is fixedly connected to a drill rod (406), and the positioning arc block (507) is movably arranged outside the drill rod (406).

Images