CN-121972708-A - Automatic inclined oil hole punching device based on crankshaft production

Abstract

The invention belongs to the field of crankshaft drilling processing, in particular to an automatic drilling device for an oblique oil hole based on crankshaft production, which comprises a drill floor capable of conducting steering and translation, wherein the front end of the drill floor is fixedly connected with a main shaft machine, the output end of the main shaft machine is provided with a chuck, a drill gun is fixed in the chuck, the outer side of the drill gun is provided with a first guide sleeve and a second guide sleeve which can adjust positions, the first guide sleeve is positioned at the front end of the second guide sleeve, the first guide sleeve and the second guide sleeve are not contacted with the drill gun, by the arrangement, the function of a non-contact type guide drill gun is realized, the accurate and stable drilling process of the drill gun is ensured, the abrasion problem of the drill gun and the part service life is directly avoided because of no contact in the whole process, meanwhile, friction heat cannot be generated, the rotation speed of the first guide sleeve and the second guide sleeve cannot be influenced, the rotation speed of the drill gun cannot be lost, and the matching of a lubricant is not needed.

Inventors

• MA JIANFENG
• MIN XIAOHU

Assignees

• 常州光星精机有限公司

Dates

Publication Date

20260505

Application Date

20260325

Claims (10)

1. 1. The automatic drilling device for the oblique oil hole based on the crankshaft production is characterized by comprising a drill floor capable of steering and translating, wherein a main shaft machine is fixedly connected to the front end of the drill floor, a chuck is arranged at the output end of the main shaft machine, a drill gun is fixed in the chuck, a first guide sleeve and a second guide sleeve capable of adjusting positions are arranged on the outer side of the drill gun, the first guide sleeve is positioned at the front end of the second guide sleeve, and the first guide sleeve and the second guide sleeve are not contacted with the drill gun.
2. 2. The automatic oblique oil hole punching device based on crankshaft production, as set forth in claim 1, is characterized in that a movable seat is arranged below the drilling floor, a power floor is fixedly connected to the rear end of the movable seat, an adjusting groove is formed in the top of the movable seat, a steering floor is fixedly connected to the output end of the power floor and is arranged in the adjusting groove, a power shaft module is fixedly connected to the top of the steering floor, a rotating arm is fixedly connected to the top of the power shaft module, the rear end of the drilling floor is in a forked arrangement, and the drilling floor is slidably clamped on the outer side of the rotating arm.
3. 3. The automatic oblique oil hole punching device based on crankshaft production according to claim 2, wherein a visual module is fixedly connected to one side of the top surface of the movable seat, two symmetrically arranged laser modules are arranged at the front end of the top surface of the drill floor, and receiving pieces matched with the laser modules are arranged on the outer sides of the guide sleeve I and the guide sleeve II.
4. 4. The automatic oblique oil hole punching device based on crankshaft production according to claim 3, wherein the first guide sleeve and the second guide sleeve are all in annular arrangement, a plurality of electromagnets are fixedly connected in the first guide sleeve and the second guide sleeve, and the electromagnets are distributed in annular equidistant mode.
5. 5. The automatic oblique oil hole punching device based on crankshaft production of claim 4 is characterized in that electric sliding rails are arranged on two sides of the drilling floor, a first direct-drive rotary module is fixedly connected to the moving end of each electric sliding rail, a lifting arm is fixedly connected to the rotary end of each first direct-drive rotary module, a regulator perpendicular to the direction of the lifting arm is fixedly connected to the end of each lifting arm, two guide sleeves are arranged in a segmented mode, and two guide sleeves are fixedly connected to the end parts of the two regulators respectively.
6. 6. The automatic oblique oil hole punching device based on crankshaft production of claim 5, wherein a fixed arm is fixedly connected to the outer side of the first guide sleeve, an electric sliding rail is also arranged on the outer side of one lifting arm, a second direct-drive rotating module is fixedly connected to the moving end of the electric sliding rail, and the rotating end of the second direct-drive rotating module is fixedly connected with an extension arm.
7. 7. The automatic oblique oil hole punching device based on crankshaft production of claim 6, wherein a plurality of first receiving plates are fixedly connected to the outer side of the second guide sleeve, a plurality of second receiving plates are arranged on the outer side of the first guide sleeve, and a plurality of telescopic probe detectors are arranged on the side, away from the second guide sleeve, of the first guide sleeve.
8. 8. The automatic drilling device for the inclined oil holes based on crankshaft production of claim 7, wherein the end part of the drill gun is a drill bit, spiral grooves for chip removal and liquid drainage are formed in the surface of the drill gun, and a plurality of cooling grooves communicated with the drill bit are formed in the drill gun.
9. 9. The automatic drilling device for the oblique oil holes based on crankshaft production of claim 8, wherein the non-drill bit part of the drill gun comprises a core rod, the cooling groove is formed in the core rod, the outer side of the core rod is a heat insulation layer, the outer side of the heat insulation layer is a permanent magnet layer, and the outer side of the permanent magnet layer is covered with a protective coating.
10. 10. The automatic oblique oil hole punching device based on crankshaft production of claim 9, wherein the regulator comprises an electric telescopic rod and two telescopic sleeves, the end part of the electric telescopic rod is fixedly connected with a second guide sleeve, a straight rod which is in sliding connection with the second guide sleeve is fixedly connected with the outer side of the second guide sleeve, and a butt joint valve is arranged at two ends of each semicircular guide sleeve.

Description

Automatic inclined oil hole punching device based on crankshaft production Technical Field The invention belongs to the field of crankshaft drilling processing, and particularly relates to an automatic oblique oil hole punching device based on crankshaft production. Background The crankshaft is the core component of the engine, usually forged or cast from high strength alloy steel, and is responsible for converting the reciprocating linear motion of the pistons into rotary motion for power output, and is generally composed of main journals, connecting rod journals, crank arms and counterweights. The oblique oil hole of the crankshaft is a lubricating oil channel for communicating the main journal and the connecting rod journal, the space of a pore canal of the oblique oil hole is inclined, a drill bit is easy to be subjected to unilateral stress to cause deflection or fracture, a high-rigidity special tool and a short-edge drill bit are required to be adopted during processing, and the oblique oil hole is positioned at a specific angle, so that the position precision and the surface smoothness of the oil hole are ensured, and the smoothness of an engine lubricating system is ensured. Traditional bent axle trompil device, before drill bit and bent axle contact, need use guiding device to tie up the drill bit, reduce the skidding and rocking that the drill bit produced at the trompil in-process, but traditional guiding device often directly contacts with the drill bit, uses extruded mode constraint drill bit, leads to guiding device wearing and tearing seriously, still can lose the rotational speed of drill bit, is unfavorable for drilling process. Therefore, the invention provides an automatic oblique oil hole punching device based on crankshaft production. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The automatic oblique oil hole drilling device based on crankshaft production comprises a drill floor capable of steering and translating, wherein the front end of the drill floor is fixedly connected with a main shaft machine, the output end of the main shaft machine is provided with a chuck, a drill gun is fixed in the chuck, the outer side of the drill gun is provided with a first guide sleeve and a second guide sleeve which can be used for adjusting positions, the first guide sleeve is positioned at the front end of the second guide sleeve, and the first guide sleeve and the second guide sleeve are not contacted with the drill gun; The non-contact type guiding drill gun has the advantages that the functions of the non-contact type guiding drill gun are realized, the accurate and stable drilling process of the drill gun is guaranteed, the abrasion problem of the drill gun and the guiding sleeve is directly avoided due to no contact, the service life of parts is prolonged, meanwhile, friction heat generation is not generated, the matching of lubricants is not influenced, the rotating speed of the drill gun is not lost, the non-contact type guiding sleeve and the guiding sleeve can be made larger, the drill gun with various diameters is adapted, the replacement frequency is reduced, the production efficiency is improved, metal collision is not generated when the drill gun of the guiding sleeve and the guiding sleeve is corrected, the function of rapidly correcting the drill gun position is finished, and the drill gun and guiding equipment are not damaged. Preferably, a movable seat is arranged below the drilling floor, a power floor is fixedly connected to the rear end of the movable seat, an adjusting groove is formed in the top of the movable seat, a steering floor is fixedly connected to the output end of the power floor and is arranged in the adjusting groove, a power shaft module is fixedly connected to the top of the steering floor, a rotating arm is fixedly connected to the top of the power shaft module, the rear end of the drilling floor is in a forked arrangement, the drilling floor is slidably clamped to the outer side of the rotating arm, one side of the movable seat can be connected with the side face of a machine tool, and a numerical control sliding rail is arranged, so that the movable seat can be driven to translate along the direction of a crankshaft outside the machine tool, and can be moved to any position of the crankshaft to be perforated. Preferably, a visual module is fixedly connected to one side of the top surface of the movable seat, two symmetrically arranged laser modules are arranged at the front end of the top surface of the drill floor, receiving pieces matched with the laser modules are arranged on the outer sides of the first guide sleeve and the second guide sleeve, the state of the crankshaft is observed through the visual module, the direction of the drilling gun is adjusted, the positioning process of the crankshaft and the drilling gun is assisted, the laser modules