CN-121988769-A - Gear machining accurate positioning boring equipment

Abstract

The invention relates to the technical field of boring equipment and discloses gear processing accurate positioning boring equipment, wherein a boring cutter lower constraint piece and a boring cutter upper constraint piece are arranged, the boring cutter lower constraint piece and the boring cutter upper constraint piece can be adjusted according to the suspension length of a boring cutter body, when the boring cutter body just contacts a workpiece, the boring cutter upper constraint piece and the boring cutter lower constraint piece are separated to realize two-point support, when the boring cutter body penetrates into a gear workpiece, the boring cutter upper constraint piece and the boring cutter lower constraint piece are combined, vibration reduction supporting balls are arranged on the inner walls of the boring cutter lower constraint piece and the boring cutter upper constraint piece, the hollow boring cutter body is radially supported through the vibration reduction supporting balls, a fan blade rolling turntable driven to rotate by the boring cutter body and a turntable linkage fan blade structure are arranged in the boring cutter lower constraint piece, so that airflow chip removal at the boring position can be synchronously completed, and a gear workpiece pressing leg at the bottom of the boring cutter lower constraint piece can press the gear workpiece when the boring cutter penetrates into the gear workpiece, thereby improving the stability of the gear workpiece when the boring is in boring.

Inventors

• WANG XUELONG
• WANG TAO

Assignees

• 江苏汇九齿轮有限公司

Dates

Publication Date

20260508

Application Date

20260410

Claims (10)

1. 1. The gear machining accurate positioning boring device is characterized by comprising an accurate positioning boring device body, wherein a telescopic driving device is fixedly connected to the bottom of the accurate positioning boring device body, a boring cutter driving device is fixedly connected to the output end of the telescopic driving device, a boring cutter body is fixedly connected to the output end of the boring cutter driving device, a constraint pressing ring is fixedly connected to the side of the boring cutter driving device, an electric telescopic rod is fixedly connected to the side of the accurate positioning boring device body, a constraint connecting rod is fixedly connected to the output end of the electric telescopic rod, a boring cutter lower constraint is fixedly connected to one end of the constraint connecting rod, a vibration reduction supporting ball is fixedly connected to the inner wall of the boring cutter lower constraint, a constraint upper constraint is slidingly connected to the side of the vibration reduction supporting ball, a constraint limiting rod is fixedly connected to the inside of the boring cutter upper constraint, a constraint supporting spring is arranged on the outer wall of the constraint limiting rod in a surrounding mode, a constraint fixing hole is fixedly connected to the bottom of the constraint limiting rod, a constraint rotating disc is connected to the inside of the boring cutter, and a rolling disc is connected to the bottom of a rotating disc.
2. 2. The gear machining accurate positioning boring device of claim 1, wherein vibration reduction support balls are embedded in the inner walls of the lower boring cutter restraint and the upper boring cutter restraint, and are uniformly distributed in an annular shape along the circumferential direction of the boring cutter body.
3. 3. The gear machining accurate positioning boring device of claim 1, wherein the outer diameter of the constraint piece pressing ring is larger than the inner hole diameter of the constraint piece on the boring cutter, and the constraint piece pressing ring can push the constraint piece on the boring cutter to slide downwards when moving downwards along with the boring cutter driving device.
4. 4. The gear machining accurate positioning boring device of claim 1, wherein the constraint piece fixing holes are formed in the upper end face of the lower constraint piece of the boring cutter, and four constraint piece fixing holes are arranged at equal angles relative to the vertical central axis of the lower constraint piece of the boring cutter.
5. 5. The gear machining accurate positioning boring device of claim 1, wherein one end of the constraint piece supporting spring is abutted with the upper end face of the lower constraint piece of the boring cutter, and the other end of the constraint piece supporting spring is abutted with the lower end face of the upper constraint piece of the boring cutter.
6. 6. The gear machining accurate positioning boring device of claim 1, wherein the fan blade rolling turntable is of an annular structure, and the inner wall of the fan blade rolling turntable is in friction transmission connection with the outer wall of the boring cutter body.
7. 7. The gear machining accurate positioning boring equipment of claim 1, wherein a shell of the turntable linkage blade structure is fixedly connected with a boring cutter lower constraint piece, and synchronous rotation is realized between the blade rolling turntable and the turntable linkage blade structure through a connecting shaft.
8. 8. The precise positioning boring device for gear machining of claim 1, wherein the fan blade rolling turntable generates downward air flow towards the boring position when rotating, and the air flow generated by the fan blade rolling turntable is used for blowing away cuttings generated in the boring process.
9. 9. The gear machining accurate positioning boring device of claim 1, wherein the bottom of the gear workpiece pressing leg is provided with an anti-slip pad, the anti-slip pad is made of rubber materials, and the bottom of the anti-slip pad is provided with anti-slip lines.
10. 10. The gear machining accurate positioning boring device of claim 1, wherein the positioning groove matched with the gear workpiece in shape is formed in a storage table of the accurate positioning boring device body and is used for positioning the gear workpiece.

Description

Gear machining accurate positioning boring equipment Technical Field The invention relates to the technical field of boring equipment, in particular to gear machining accurate positioning boring equipment. Background The boring equipment is special machining equipment for carrying out high-precision reaming, finishing and inner hole finishing on the existing prefabricated hole on a workpiece in the field of mechanical precision machining, is mainly used for carrying out secondary fine cutting correction on a rough hole formed in the earlier working procedures of drilling, casting hole, punching and the like, drives a boring cutter to realize high-speed rotation main motion through a special power driving mechanism, and simultaneously drives the boring cutter to carry out stable axial feeding motion along the axis of the workpiece hole by matching with a feeding transmission system. In the Chinese patent publication No. CN215587924U, the utility model discloses boring equipment for mold processing with a positioning structure, in particular to the field of boring equipment, which comprises a processing table, wherein boring processing components are arranged at two ends of the processing table through a supporting frame, fixing plates are slidably connected to the upper surfaces of two sides of the processing table through moving grooves, two ends inside the moving grooves are rotationally connected with adjusting rods through bearings, the lower ends of the two fixing plates are respectively connected to the outer surfaces of the adjusting rods through forward threads and reverse threads, and clamping columns are respectively rotationally connected to the two fixing plates through bearings. Aiming at the defects of the prior gear processing accurate positioning boring equipment, when the boring cutter just contacts a gear workpiece, the boring cutter is in a suspended state, radial vibration is very easy to generate in the cutting process, vibration amplitude can be dynamically changed along with the increase of boring depth and the change of a suspended section of the cutter, the processing precision of an inner hole of a gear is reduced, key indexes such as the size precision, roundness, coaxiality and the like of the inner hole of the gear are finally and directly reduced, obvious problems of cutting vibration lines and roughness exceeding standard appear on the surface of a hole wall, the finish machining quality of the gear workpiece is seriously reduced, and the subsequent assembly precision, transmission stability and long-term service performance of the gear are directly influenced. Disclosure of Invention The invention aims to solve the technical problem that in the prior art, radial vibration is easy to generate in the cutting process of boring equipment, and therefore, the precise positioning boring equipment for gear machining is provided. In order to achieve the aim, the gear machining accurate positioning boring device comprises an accurate positioning boring device body, wherein the bottom of the accurate positioning boring device body is fixedly connected with a telescopic driving device, the output end of the telescopic driving device is fixedly connected with a boring cutter driving device, the output end of the boring cutter driving device is fixedly connected with a boring cutter body, the side of the boring cutter driving device is fixedly connected with a constraint pressing ring, the side of the accurate positioning boring device body is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a constraint connecting rod, one end of the constraint connecting rod is fixedly connected with a boring cutter lower constraint, the inner wall of the boring cutter lower constraint is fixedly connected with a vibration reduction supporting ball, the side of the vibration reduction supporting ball is slidably connected with a boring cutter upper constraint, the inner part of the boring cutter upper constraint is slidably connected with a constraint limiting rod, the outer wall of the constraint limiting rod surrounds a constraint supporting spring, the bottom of the constraint limiting rod is fixedly connected with a constraint fixing hole, the inner rotation of the constraint lower constraint is connected with a rolling turntable, the bottom of the boring turntable is in a rotating mode, one end of the constraint rotating plate is fixedly connected with a fan blade of the boring turntable, and the bottom of the boring turntable is in a linkage mode, and the fan blade is connected with the bottom of a constraint workpiece pressing leg of the boring turntable. Preferably, the inner walls of the lower constraint piece of the boring cutter and the upper constraint piece of the boring cutter are embedded with vibration reduction support balls which are uniformly distributed in an annular shape along the circumferential direction of t