CN-116330145-B - Superfinishing device and superfinishing method for roller circumferential surface

CN116330145BCN 116330145 BCN116330145 BCN 116330145BCN-116330145-B

Abstract

The invention provides a device and a method for superfinishing the circumferential surface of a roller, which relate to the superfinishing field, and aim at the problem of low processing efficiency caused by poor cooperative work of a loading and unloading mechanism and a superfinishing mechanism when superfinishing the roller at present, the roller is transported by adopting a stepped supporting plate, an external loading mechanism and a superfinishing position are connected, after the positions of the rollers are adjusted on the second carrier and the first carrier, the rollers to be processed are accurately fed to the superfinishing position, and the processed rollers are synchronously lifted and moved to the receiving plate from the superfinishing position, so that the feeding speed and feeding precision of the rollers are improved, and the superfinishing efficiency is improved.

Inventors

CAI MEIGUI
YUAN HONGHUA
SHENG CHENGWEI
LI ZHILI
ZHANG MINGYUAN
ZHANG QINGXIAO

Assignees

山东省宇捷轴承制造有限公司

Dates

Publication Date: 20260505
Application Date: 20230428

Claims (7)

1. A roller circumferential superfinishing apparatus, comprising: The superfinishing mechanism comprises an oilstone and a pair of supporting wheels which are arranged at intervals, wherein the oilstone superfinishes rollers on the supporting wheels; the conveying mechanism comprises a reciprocating driving structure and a step-shaped supporting plate, the supporting plate is positioned between supporting wheels, the reciprocating driving structure is connected with the supporting plate and drives the supporting plate to move along the annular track of the surface where the supporting plate is positioned, a first carrying platform and a second carrying platform which are distributed in a step manner are formed on the supporting plate, and positioning grooves for bearing rollers are formed on the first carrying platform and the second carrying platform; the second carrier is positioned above the first carrier by taking the plane determined by the axes of the two supporting wheels as a reference, the first carrier is arranged close to the supporting plate, the second carrier corresponds to the external feeding mechanism, and the first carrier can bear the rollers on the supporting wheels and is conveyed to the receiving plate; The conveying mechanism further comprises a transfer plate, the transfer plate is positioned between the feeding mechanism and the supporting wheel and used for acquiring rollers from the second carrying platform and temporarily carrying the rollers, and the first carrying platform acquires the rollers on the transfer plate and conveys the rollers to the supporting wheel; The reciprocating driving structure is connected to the bottom of the supporting plate, the first carrying platform and the second carrying platform are positioned at the top of the supporting plate, and the annular track of the movement of the supporting plate passes through the gap between the supporting wheels and the avoidance groove; the receiving plate is provided with an avoidance groove for avoiding the annular track of the supporting plate, and the end part of the opening of the avoidance groove is provided with a stop block.
2. The apparatus of claim 1 wherein the transfer plate includes a V-shaped channel, the gap between the V-shaped channel and the support wheel being coplanar, the sides of the V-shaped channel forming the sides of the load bearing roller.
3. The superfinishing apparatus of claim 1, wherein the first carrier and the second carrier are respectively provided with a positioning stop pin, the positioning stop pins are arranged perpendicular to the surface of the positioning groove, and the positioning groove is capable of bearing the roller by changing the relative position of the positioning stop pins and the positioning groove.
4. The roller periphery superfinishing apparatus of claim 1, wherein the receiving plate is disposed in an inclined configuration, and the receiving plate has a recessed area extending upwardly from a lowest point of the receiving plate along a receiving plate plane to the relief groove.
5. The roller circumferential surface superfinishing apparatus as claimed in claim 1, wherein the whetstone is connected with a whetstone swing driving mechanism, the whetstone swing driving mechanism driving the whetstone to swing in an arcuate line path, the whetstone end surface acting on the circumferential surface of the roller on the supporting wheel.
6. A working method using the roller circumferential surface superfinishing apparatus as claimed in any one of claims 1-5, comprising: The second carrier obtains the roller to be processed from the outside and moves to the first carrier, and the first carrier lifts and drives the roller to be processed to move; the first carrier contacts and bears the processed roller on the supporting wheel, and drives the roller to be processed and the processed roller to move; after the processed roller moves to the upper part of the receiving plate, the roller to be processed moves to the upper part of the supporting wheel, the supporting plate descends to place the processed roller on the receiving plate, and the roller to be processed is placed on the supporting wheel; The pallet is withdrawn to its original position and the whetstone superfinishes the rollers on the support wheel.
7. The method of claim 6, wherein the first carrier carries both the roller to be processed and the processed roller, the processed roller being located at an end of the positioning slot adjacent the receiving plate.

Description

Superfinishing device and superfinishing method for roller circumferential surface Technical Field The invention relates to the field of superfinishing, in particular to a roller circumferential surface superfinishing device and method. Background The roller precision is a pipe fitting factor affecting the quality of the roller bearing, the main precision index of the roller is the roughness and curvature shape of the roller, at present, the prior art for solving the roughness and curvature shape of spherical roller, logarithmic curve roller and outer spherical bearing ring is mainly used for processing in an ultra-precision mode to achieve the required precision, the ultra-precision machine of the prior design uses a vibrating mechanism to drive an oilstone to swing, and the precision index requirement of the roller is realized by reciprocating swing grinding of the oilstone on a workpiece. In order to solve the problems that in the existing superfinishing process, machining precision is not high, the oilstone clamping is inconvenient, the spherical rollers of different types are required to be replaced, and different oilstone clamping devices are required to be replaced, a cutter device (publication No. CN 204976304U) of a roller spherical superfinishing machine is disclosed in the prior art, clamping blocks and oilstones are configured to be matched and clamped, an oilstone compensation mechanism is arranged to automatically compensate the oilstone, the oilstone is driven to swing reciprocally to grind the rollers, machining precision is improved, clamping difficulty is reduced, but before and after grinding the rollers through the oilstone, the rollers are required to be clamped and taken out, and in the prior art, the condition that a plurality of rollers are reserved at grinding positions simultaneously in the roller feeding and discharging process is easy to occur, manual elimination and treatment are required, and the efficiency of superfinishing of the rollers is affected. Disclosure of Invention The invention aims at overcoming the defects of the prior art, and provides a roller circumferential surface superfinishing device and method, wherein a stepped supporting plate is adopted for transferring rollers, an external feeding mechanism and a superfinishing position are connected, the rollers are adjusted on a second carrying platform and a first carrying platform, the rollers to be processed are accurately fed to the superfinishing position, and the processed rollers are synchronously lifted and moved from the superfinishing position to a receiving plate, so that the feeding speed and feeding precision of the rollers are improved, and the superfinishing efficiency is improved. The first object of the invention is to provide a roller circumferential surface superfinishing device, which adopts the following scheme: Comprising the following steps: The superfinishing mechanism comprises an oilstone and a pair of supporting wheels which are arranged at intervals, wherein the oilstone superfinishes rollers on the supporting wheels; the conveying mechanism comprises a reciprocating driving structure and a step-shaped supporting plate, the supporting plate is positioned between supporting wheels, the reciprocating driving structure is connected with the supporting plate and drives the supporting plate to move along the annular track of the surface where the supporting plate is positioned, a first carrying platform and a second carrying platform which are distributed in a step manner are formed on the supporting plate, and positioning grooves for bearing rollers are formed on the first carrying platform and the second carrying platform; the receiving plate is provided with an avoidance groove for avoiding the annular track of the supporting plate, and the end part of the opening of the avoidance groove is provided with a stop block. Further, with the plane determined by the axes of the supporting wheels as a reference, the second carrying platform is located above the first carrying platform, the first carrying platform is arranged close to the supporting plate, the second carrying platform corresponds to the external feeding mechanism, and the first carrying platform can bear the rollers on the supporting wheels and is conveyed to the receiving plate. Further, the conveying mechanism further comprises a transfer plate, the transfer plate is located between the feeding mechanism and the supporting wheel and used for acquiring the rollers from the second carrying platform and temporarily carrying the rollers, and the first carrying platform acquires the rollers on the transfer plate and conveys the rollers to the supporting wheel. Further, the transfer plate comprises a V-shaped channel, gaps between the V-shaped channel and the supporting wheels are coplanar, and side edges of the V-shaped channel form side edges for bearing the rollers. Further, the first carrying platform and the second carrying platform