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CN-224209500-U - Drilling positioning device for blade machining

CN224209500UCN 224209500 UCN224209500 UCN 224209500UCN-224209500-U

Abstract

The utility model discloses a drilling positioning device for blade processing, which comprises a base, wherein a positioning mechanism is arranged on the base, a driving seat is arranged on the positioning mechanism, a rotary driving mechanism is arranged in the driving seat, a rotating seat is matched on the rotary driving mechanism, the whole rotating seat is semi-cylindrical, a semicircular groove is arranged in the rotating seat and is used for collecting scraps, positioning columns are arranged on two sides of the rotating seat and are in sliding fit in arc-shaped guide holes on two sides of the driving seat, a clamping assembly is arranged in the rotating seat, a blade workpiece is fixed in the clamping assembly, a lifting drilling assembly is arranged above the blade workpiece, one side of the lifting drilling assembly is connected with a lifting frame, a plurality of adjusting holes which are orderly arranged are arranged on the lifting frame, and the lifting frame is in sliding fit in the adjusting seat.

Inventors

  • ZHANG XUYANG

Assignees

  • 无锡鼎元精工机械有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (7)

  1. 1. The drilling positioning device for blade machining is characterized by comprising a base (1), wherein a positioning mechanism is arranged on the base (1), a driving seat (7) is arranged on the positioning mechanism, a rotary driving mechanism is arranged in the driving seat (7), a rotating seat (8) is matched with the rotary driving mechanism, the whole rotating seat (8) is semi-cylindrical, a semicircular groove is formed in the rotating seat (8) and used for collecting scraps, positioning columns (803) are arranged on two sides of the rotating seat (8), the positioning columns (803) are in sliding fit in arc-shaped guide holes (701) on two sides of the driving seat (7), a movable seat (402) is arranged in front of the driving seat (7), a clamping assembly is arranged in the rotating seat (8), a blade workpiece (10) is fixed in the clamping assembly, a lifting assembly is arranged above the blade workpiece (10), one side of the lifting drilling assembly is connected with a lifting frame (12), a plurality of lifting holes (121) are formed in the lifting frame (12), and the lifting frame (12) is in sliding fit with an adjusting seat (11).
  2. 2. The drilling and positioning device for blade machining according to claim 1, wherein a guide seat (4) is installed at the bottom of the movable seat (402), a plurality of guide wheels (401) are installed in the guide seat (4), and the bottoms of the guide wheels (401) are matched with the track (3) of the base (1).
  3. 3. The drilling positioning device for blade machining according to claim 1, wherein the rotary driving mechanism comprises friction rollers (704), the friction rollers (704) are symmetrically arranged in the driving seat (7) through bearings, the tops of the friction rollers (704) are matched with the circumferential surface of the rotating seat (8), transmission gears (703) are further arranged at two ends of the friction rollers (704), a third motor (702) is further arranged outside the transmission gears (703), and driving ends of the third motor (702) are also arranged through the transmission gears (703) and meshed with the transmission gears (703) on the friction rollers (704).
  4. 4. The drilling and positioning device for blade machining according to claim 1, wherein the clamping assembly comprises a servo motor (801), a first positive and negative screw rod (802) is connected to the driving end of the servo motor (801), clamping bases (9) are in threaded fit with the positive and negative surfaces of the first positive and negative screw rod (802), a second positive and negative screw rod (901) is installed in the clamping bases (9) through a bearing, clamping plates (902) are in threaded fit with the positive and negative surfaces of the second positive and negative screw rod (901), a blade top and a blade root of a blade workpiece (10) are fixed through the clamping plates (902), a hexagonal adjusting block is arranged at one end of the second positive and negative screw rod (901), and adjustment of the second positive and negative screw rod (901) is performed through the hexagonal adjusting block.
  5. 5. The drilling positioning device for blade machining according to claim 1, wherein the lifting drilling assembly comprises a lifting seat (13), a side-mounted frame (131) is arranged at the top of the lifting seat (13), a fourth motor (132) is mounted on the side-mounted frame (131), a third adjusting screw (133) is connected to the driving end of the fourth motor (132) through a coupling, one end of the third adjusting screw (133) is mounted in the lifting seat (13) through a bearing, a side-mounted plate (14) is in threaded fit on the third adjusting screw (133), a third sliding rod (143) is symmetrically arranged on one side of the side-mounted plate (14), a third sliding rod (134) is in sliding fit with the third sliding rod (143), a drilling machine (141) is symmetrically arranged on one side of the side-mounted plate (14), a drill bit (142) is mounted at one end of the drilling machine (141), and porous operation is performed through the drill bit (142).
  6. 6. The drilling and positioning device for blade processing according to claim 1, wherein the adjusting seat (11) is also provided with a through hole corresponding to the adjusting hole (121), and the hoisting frame (12) is fixed in the adjusting seat (11) by assembling a double-headed screw (111) in the through hole.
  7. 7. The drilling positioning device for blade processing according to claim 1, wherein the positioning mechanism comprises a first positioning seat (2) arranged on a bottom plate, a symmetrical first sliding rod (201) is arranged on the first positioning seat (2), a first sliding cylinder (203) is arranged on the first sliding rod (201) in a sliding fit mode, a second positioning seat (6) is arranged on the top of the first sliding cylinder (203), a first adjusting screw (202) is arranged between the first sliding rods (201) through a bearing seat, the first adjusting screw (202) is in threaded fit in the second positioning seat (6), one end of the first adjusting screw (202) is connected with a second motor (501) through a coupler, the second motor (501) is arranged on a positioning plate (5) of the base (1), a symmetrical second sliding rod (601) is arranged on the second positioning seat (6), a second sliding cylinder (602) is arranged on the second sliding fit on the second sliding cylinder (601), the top of the second sliding cylinder (602) is connected with a driving seat (7), one end of the first adjusting screw (202) is in threaded fit with the second adjusting screw (404) through a coupler, one end of the second adjusting screw (404) is in threaded fit with the second adjusting screw (404), the first motor (403) is mounted on the mobile seat (402).

Description

Drilling positioning device for blade machining Technical Field The utility model belongs to the technical field of blade processing, and particularly relates to a drilling positioning device for blade processing. Background Currently, the importance and challenges of turbine blade processing are key components of a turbine, and the quality and accuracy of the turbine blade directly affect the performance of the turbine. Drilling is an important machining step in the manufacture of blades, for example, in order to install cooling channels or other components on the blade, precise drilling is required. Because the shape of the turbine blade is complex, the turbine blade is generally characterized by a curved surface, a thin wall and the like, and the traditional drilling positioning device is difficult to meet the high-precision processing requirement. Limitations of existing borehole positioning devices: For a common drilling positioning device, only simple fixed positioning can be carried out, and free movement capability in the XY axis direction is lacking. When processing turbine blade, because the position difference that needs drilling of different positions of blade is great, especially blade body part, this kind of positioner that lacks flexibility can't be adjusted to suitable drilling position fast accurately. The turbine blades may require drilling operations from different angles during machining, while many existing positioning devices do not have rotation and wobble adjustment functions. For example, some parts of the blade may be accurately drilled by rotating the drilling device by a certain angle or swinging the drilling device to a specific posture due to space limitation or processing technology requirements, so that the existing device cannot well meet the requirements, has low flexibility, needs to be manually disassembled and assembled for adjustment, and is very complicated to operate. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a drilling positioning device for blade processing, which aims to solve the problems in the background art. The drilling positioning device for blade processing comprises a base, wherein a positioning mechanism is arranged on the base, a driving seat is arranged on the positioning mechanism, a rotary driving mechanism is arranged in the driving seat, a rotating seat is matched with the rotary driving mechanism, the whole rotary seat is semi-cylindrical, a semicircular groove is formed in the rotating seat and is used for collecting scraps, positioning columns are arranged on two sides of the rotating seat and are in sliding fit in arc-shaped guide holes on two sides of the driving seat, a movable seat is arranged in front of the driving seat, a clamping assembly is arranged in the rotating seat, a blade workpiece is fixed in the clamping assembly, a lifting drilling assembly is arranged above the blade workpiece, one side of the lifting drilling assembly is connected with a lifting frame, a plurality of orderly arranged adjusting holes are formed in the lifting frame, and the lifting frame is in sliding fit in the adjusting seat. As an alternative scheme of the utility model, a guide seat is arranged at the bottom of the movable seat, a plurality of guide wheels are arranged in the guide seat, and the bottoms of the guide wheels are matched with the track of the base. As an alternative scheme of the utility model, the rotary driving mechanism comprises friction rollers which are symmetrically arranged in the driving seat through bearings, the tops of the friction rollers are matched with the circumferential surface of the rotating seat, transmission gears are further arranged at two ends of each friction roller, a third motor is further arranged outside each transmission gear, and the driving ends of the third motors are also arranged through the transmission gears and meshed with the transmission gears on the friction rollers. As an alternative scheme of the utility model, the clamping assembly comprises a servo motor, the driving end of the servo motor is connected with a first positive and negative screw rod, clamping seats are respectively and threadingly matched with the positive tooth surface and the negative tooth surface of the first positive and negative screw rod, a second positive and negative screw rod is arranged in the clamping seats through bearings, clamping plates are respectively and threadingly matched with the positive tooth surface and the negative tooth surface of the second positive and negative screw rod, the blade tops and the blade roots of blade workpieces are fixed through the clamping plates, a hexagonal adjusting block is arranged at one end of the second positive and negative screw rod, and the second positive and negative screw rod is adjusted through the hexagonal adjusting block. As an alternative scheme of the utility model, the lifting drilling assembly comprises a lifting se