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CN-122008005-A - Multi-bearing inner ring raceway grinding machine

CN122008005ACN 122008005 ACN122008005 ACN 122008005ACN-122008005-A

Abstract

The application discloses a multi-bearing inner ring raceway grinding machine which comprises a driving mechanism, a loading and unloading mechanism and a material taking device, wherein the driving mechanism is arranged on one side of the grinding mechanism and is provided with a plurality of fixing devices capable of detachably fixing a bearing inner ring, the fixing devices are symmetrically arranged, the symmetry plane passes through the central axis of a grinding wheel, the loading and unloading mechanism is provided with a swing arm and material taking devices connected with the swing arm, and the number of the material taking devices on the swing arm is consistent with that of the fixing devices. The application has the beneficial effects that through the matching arrangement of a plurality of fixing devices and the material taking device, after the driving mechanism is arranged on one side of the grinding mechanism, a plurality of bearing inner rings can be simultaneously ground and processed, the production efficiency is improved, the whole machine can be kept simple and compact, and the miniaturized design of the multi-bearing inner ring raceway grinding machine can be realized.

Inventors

  • LIU LEMIN
  • DING MINGHUA

Assignees

  • 山东勤大轴承科技有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (10)

  1. 1. The multi-bearing inner ring raceway grinding machine comprises a grinding mechanism, wherein the grinding mechanism is provided with a grinding wheel and a first rotating device for driving the grinding wheel to rotate, and is characterized by further comprising: The driving mechanism is arranged on one side of the grinding mechanism and is provided with a fixing device for detachably fixing the bearing inner ring and a second rotating device for driving the fixing device to drive the bearing inner ring to rotate, a plurality of fixing devices are arranged, and the plurality of fixing devices are symmetrically arranged and the symmetry plane passes through the central axis of the grinding wheel; the feeding and discharging mechanism is provided with a swing arm and material taking devices connected with the swing arm, the number of the material taking devices on the swing arm is consistent with that of the fixing devices, the fixing devices can fix all the bearing inner rings conveyed by the material taking devices on the swing arm, and all the bearing inner rings in the fixing devices can be taken away by the material taking devices on the swing arm.
  2. 2. A multi-bearing inner race raceway grinding machine according to claim 1, further comprising a feed mechanism having a feed channel and a discharge channel, said bearing inner race being movable in the feed channel to a feed level and in the discharge channel to a discharge level.
  3. 3. A multi-bearing inner race raceway grinding machine according to claim 2, wherein the swing arm has a swing arm one and a swing arm two, and the reclaimer has a reclaimer one and a reclaimer two; The first swing arm is connected with the first rotating equipment and the first material taking device, the first material taking device is driven to rotate through the first rotating equipment, the first material taking device drives the bearing inner ring of the material loading level to move to the position where the bearing inner ring is fixed by the fixing device, and the first material taking device is driven to move back to the side of the material loading level after the first material taking device is separated from the bearing inner ring fixed by the fixing device; The second swing arm is connected with the second rotating device and the second material taking device, the second rotating device drives the second swing arm to rotate, so that the second material taking device drives the bearing inner ring which is released from being fixed by the fixing device to move to the discharging position, and the second material taking device is driven to move to the side of the fixing device after the second material taking device is separated from the bearing inner ring at the discharging position; the feeding and discharging mechanism is also provided with a first translation device and a second translation device; The translation device I is used for driving the material taking device I beside the material loading level to translate so that the bearing inner ring of the material loading level can synchronously move along with the material taking device I and is connected with the material taking device I, and the material taking device I is separated from the bearing inner ring fixed by the fixing device; The second translation device is used for driving the second material taking device beside the fixing device to translate, so that the bearing inner ring which is released from the fixing device can synchronously move along with the second material taking device to be connected with the second material taking device, and the second material taking device is separated from the bearing inner ring of the discharging material level by virtue of the discharging channel; The number of the first reclaimer, the second reclaimer and the fixing device is kept consistent.
  4. 4. A multi-bearing inner race raceway grinding machine according to claim 2 and also comprising a grinding platform arranged on a single side of the grinding mechanism, wherein the drive mechanism, the loading and unloading mechanism and the feeding mechanism are integrally arranged on the grinding platform.
  5. 5. A multi-bearing inner race raceway grinding machine according to claim 3, wherein said The fixing device is also provided with a plurality of positioning blocks, which are positioned beside the bearing inner ring fixed by the fixing device and used for positioning the bearing inner ring so as to prevent the bearing inner ring from deflecting in the process of driving the bearing inner ring to rotate by the fixing device; The feeding and discharging mechanism is further provided with a lifting device I, and the lifting device I is used for driving the bearing inner ring which leaves the feeding position to descend after the bearing inner ring is driven by the swing arm I to move, so that the blocking of the positioning block is avoided, and the bearing inner ring descends and moves to the position where the fixing device fixes the bearing inner ring; the feeding and discharging mechanism is further provided with a second lifting device, and the second lifting device is used for driving the bearing inner ring which is released from being fixed by the fixing device to ascend so as to avoid the blocking of the positioning block, so that the bearing inner ring can be driven by the second swing arm to move to the discharging position.
  6. 6. A multi-bearing inner race raceway grinding machine according to claim 5, wherein the first and second lifting devices are the same lifting device, the first and second translation devices are the same translation device, and the first and second rotating devices are different rotating devices.
  7. 7. The multi-bearing inner race raceway grinding machine of claim 4, wherein the grinding platform further comprises a first mounting plate, one end of the first mounting plate is detachably fixed to one end of the grinding platform and is provided with a bending groove extending along a bending central axis, the driving mechanism is mounted at the other end of the first mounting plate, the end is provided with a height adjusting member, and the height adjusting member is operated to push the end of the first mounting plate to bend upwards so as to achieve micro-distance adjustment in the vertical direction.
  8. 8. A multi-bearing inner race raceway grinding machine according to claim 7, wherein said mounting plate one projects from one end to the bottom of the bending groove than from the other end to the bottom of the bending groove.
  9. 9. The multi-bearing inner race raceway grinding machine of claim 6, wherein the feeding and discharging mechanism is provided with a second frame, and the lifting device is fixedly arranged on the second frame; The translation device is connected with the lifting device and driven to lift by the lifting device; The translation device is connected with the first rotating device and the second rotating device, and the translation device drives the first rotating device and the second rotating device to translate.
  10. 10. The multi-bearing inner race raceway grinding machine of claim 9, wherein the loading and unloading mechanism further comprises a base slidably mounted on the second frame, the lifting device is mounted on the second frame and is connected with the base in a driving manner, the first rotating device and the second rotating device are axially slidably mounted on the base, and the translation device is fixed on the base and is in driving connection with the first rotating device and the second rotating device.

Description

Multi-bearing inner ring raceway grinding machine Technical Field The application relates to the field of bearing inner ring raceway generation and machining, in particular to a multi-bearing inner ring raceway grinding machine. Background The bearing is a key part of a mechanical product, the market demand is huge, and a rapid and efficient production technology is a key factor for increasing the competitiveness of the product. The bearing is usually composed of an outer ring, an inner ring, rolling bodies and a retainer, wherein the rolling surfaces of the inner ring roller paths and the rolling bodies are arranged on the outer surface, and are generally obtained by grinding, and the grinding process in production is required to be carried out on a special outer circle grinding machine. At present, the grinding machine generally comprises a clamping mechanism and a grinding wheel mechanism, wherein the clamping mechanism is used for clamping a bearing inner ring and driving the bearing inner ring to rotate, the grinding wheel mechanism is provided with a grinding wheel with the diameter far larger than that of the bearing inner ring and drives the grinding wheel to rotate at a high speed, the clamping mechanism is generally positioned beside the grinding wheel mechanism and clamps a bearing inner ring, when the outer circumferential surface of the bearing inner ring needs to be ground, the bearing inner ring on the clamping mechanism is driven by a feeding supporting plate to do feeding motion towards the direction of the grinding wheel, after the bearing inner ring contacts, the grinding wheel which rotates at a high speed starts to grind the outer circumferential surface of the bearing inner ring, and finally, the bearing inner ring which is ground is obtained, but the whole production efficiency is not high enough, and the grinding machine has a further lifting space. Therefore, in the prior art, a grinding machine for simultaneously grinding two bearing inner rings appears, and the grinding machine is provided with a clamping mechanism at two sides of a grinding wheel mechanism, and is provided with two clamping mechanisms at two sides of the grinding wheel, wherein the two clamping mechanisms are symmetrically arranged at two sides of the grinding wheel, so that the two bearing inner rings can be simultaneously processed by the two clamping mechanisms, the overall production efficiency is doubled, but the whole machine parts are increased due to the fact that one clamping mechanism and a connecting part matched with the clamping mechanism are additionally arranged, the size is increased, and the miniaturization design requirement of the whole machine is difficult to meet. The application is based on the application and creation of the improvement of the grinding efficiency of the inner race raceway of the bearing on the basis of the simple and compact structure of the whole machine and meeting the miniaturization design requirement. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the multi-bearing inner ring raceway grinding machine, which is beneficial to improving the grinding efficiency of the bearing inner ring and also has the characteristics of simple and compact structure, thereby realizing the miniaturization design requirement of the multi-bearing inner ring raceway grinding machine. To this end, the application provides a multi-bearing inner race raceway grinding machine comprising: the grinding mechanism is provided with a grinding wheel and a first rotating device for driving the grinding wheel to rotate; the grinding platform is arranged on one side of the grinding mechanism; The grinding device comprises a grinding platform, a driving mechanism, a plurality of fixing devices, a rotating device, a grinding wheel rotating mechanism and a grinding wheel rotating mechanism, wherein the fixing device is arranged on the grinding platform and is positioned on one side of the grinding mechanism, the fixing device is provided with a fixing device capable of detachably fixing the bearing inner ring, and the rotating device is used for driving the fixing device to drive the bearing inner ring to rotate; The feeding and discharging mechanism is positioned beside the driving mechanism and arranged on the grinding platform, is provided with a swing arm and material taking devices connected with the swing arm, and the number of the material taking devices on the swing arm is consistent with that of the fixing devices, so that the fixing devices can completely fix the bearing inner rings conveyed by the material taking devices on the swing arm, and all the bearing inner rings in the fixing devices can be taken away by the material taking devices on the swing arm. In an embodiment, the grinding device further comprises a feeding mechanism arranged on the grinding platform, the feeding mech