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CN-224223597-U - Loss prevention clamp for grinding thin-wall bearing ring

CN224223597UCN 224223597 UCN224223597 UCN 224223597UCN-224223597-U

Abstract

The utility model discloses a damage-preventing clamp for grinding a thin-wall bearing ring, and relates to the technical field of bearing machining. The utility model comprises a mounting plate, wherein the mounting plate is mounted on external mobile equipment, two clamping plates are slidably arranged on the inner side of the mounting plate, an anti-slip rubber pad is mounted on the inner side of the clamping plate, the inner side of the clamping plate is concave, the two clamping plates move to clamp bearings in the direction of approaching each other, and a linkage group is mounted on the inner side of the mounting plate. According to the utility model, the cylinder drives the rack to linearly push, gears on two sides of the rack are in synchronous engagement to realize rotary transmission, the first telescopic rod pushes the clamping plates to move in opposite directions, the anti-slip rubber pad on the inner side of the concave clamping plate elastically deforms when contacting the thin-wall bearing ring, concentrated clamping force is uniformly dispersed to the contact surface of the outer wall of the ring, a redundant stabilizing system is formed by the four-bar mechanism of the double clamping plates and the second telescopic rod, the clamping pose is still kept stable under grinding high-frequency vibration, and no plastic deformation of the ring in the whole processing process is ensured.

Inventors

  • FENG XINKUAN
  • ZHANG HAIBO
  • YU MEIXIAN
  • JIN WEI

Assignees

  • 久研轴承科技(安徽)有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (7)

  1. 1. The damage-preventing clamp for grinding the thin-wall bearing ring comprises a mounting plate (1) and is characterized in that the mounting plate (1) is mounted on external mobile equipment, two clamping plates (2) are slidably arranged on the inner side of the mounting plate (1), an anti-skid rubber pad is mounted on the inner side of each clamping plate (2), the inner side of each clamping plate (2) is concave, the two clamping plates (2) move to clamp a bearing in a direction close to each other, and a linkage group is mounted on the inner side of the mounting plate (1); The linkage group comprises two first telescopic rods (3), a gear-missing (4) is fixedly arranged at one end of each first telescopic rod (3), and the two gear-missing (4) are located at positions opposite to each other.
  2. 2. The damage-preventing clamp for grinding thin-wall bearing rings according to claim 1, wherein a limiting plate (5) is fixedly arranged at the top of the mounting plate (1), a locating frame (6) is fixedly arranged at the bottom of the limiting plate (5), a cylinder (7) is arranged at the inner side of the locating frame (6), and the output end of the cylinder (7) penetrates through the outer side of the locating frame (6).
  3. 3. The damage-preventing clamp for grinding the thin-wall bearing ring according to claim 2, wherein a driving rack (8) is fixedly arranged at the output end of the air cylinder (7), the driving rack (8) is positioned between two gear-missing wheels (4), and the gear-missing wheels (4) are meshed with the driving rack (8).
  4. 4. A damage-preventing clamp for grinding a thin-walled bearing ring according to claim 3, characterized in that a plurality of fixed shafts (9) are fixedly arranged on the inner side of the positioning frame (6), and the gear-missing (4) is in running fit with the corresponding fixed shaft (9).
  5. 5. The damage-preventing clamp for grinding thin-wall bearing rings according to claim 4, wherein two connecting rods (10) are fixedly arranged on the outer side of the clamping plate (2), the mounting plate (1) is in sliding fit with the corresponding connecting rods (10), two limiting rods are fixedly arranged between the two connecting rods (10) on the same clamping plate (2), and the other ends of the two first telescopic rods (3) are in rotating fit with the corresponding limiting rods.
  6. 6. The damage-preventing clamp for grinding thin-wall bearing rings according to claim 5, wherein the other two limiting rods are rotatably provided with second telescopic rods (11), and the other ends of the second telescopic rods (11) are in rotary fit with corresponding fixed shafts (9).
  7. 7. The damage preventing clamp for grinding thin-walled bearing rings according to claim 6 is characterized in that a through-hole (12) is formed in the surface of the mounting plate (1), and the through-hole (12) is located on one side of the two clamping plates (2).

Description

Loss prevention clamp for grinding thin-wall bearing ring Technical Field The utility model belongs to the technical field of bearing machining, and particularly relates to a damage-preventing clamp for grinding a thin-wall bearing ring. Background The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, and the inner ring and the outer ring of the mechanical rotating body generally need to be polished when the mechanical rotating body is machined so as to ensure the smoothness and the precision of the mechanical rotating body, and the mechanical rotating body also needs to be fixed by a clamp when the mechanical rotating body is polished so as to ensure the stable polishing of the mechanical rotating body. Through retrieving, the patent number CN218461773U discloses a clamp for bearing grinding, and the rotation axis is inhaled through the magnetism that sets up to this patent can utilize electric power to drive inside solenoid and produce magnetism to impel the magnetism to inhale the rotation axis and produce magnetic force, thereby made things convenient for the fixed of bearing, only need with the bearing housing in magnetism inhale the outside of fixed column and just can fix when fixed, thereby be favorable to adjusting magnetism to inhale the position between fixed column and the polisher when the polisher polishes the bearing, thereby increased the flexibility of device. The clamping effect of the device is effectively improved, but the clamping stroke of the clamp is difficult to automatically adjust according to the diameter of the ferrule, the clamp assembly is required to be frequently replaced when ferrules with different specifications are processed, the production efficiency is low, meanwhile, the clamping force is easily concentrated in a local area by a rigid clamping mode, and the thin-wall ferrule is extremely easy to generate elliptical deformation or plastic damage under radial pressure. Disclosure of utility model The utility model aims to provide a damage-preventing clamp for grinding a thin-wall bearing ring, which is characterized in that a cylinder drives a rack to linearly push, gears on two sides of the rack are synchronously meshed to realize rotary transmission, a first telescopic rod is precisely controlled to push a clamping plate to move towards each other, an anti-skid rubber pad on the inner side of a concave clamping plate is elastically deformed when contacting the thin-wall bearing ring, and concentrated clamping force is uniformly dispersed to the contact surface of the outer wall of the ring, so that the technical defects in the background art are overcome. The utility model relates to a damage-preventing clamp for grinding a thin-wall bearing ring, which comprises a mounting plate, wherein the mounting plate is mounted on external mobile equipment, two clamping plates are slidably arranged on the inner side of the mounting plate, an anti-skid rubber pad is mounted on the inner side of each clamping plate, the inner side of each clamping plate is concave, the two clamping plates move to clamp a bearing in a direction approaching to each other, and a linkage group is mounted on the inner side of the mounting plate; The linkage group comprises two first telescopic rods, a gear lack is fixedly arranged at one end of each first telescopic rod, and the two gear lack are positioned at positions opposite to each other. The utility model is further characterized in that a limiting plate is fixedly arranged at the top of the mounting plate, a positioning frame is fixedly arranged at the bottom of the limiting plate, an air cylinder is arranged at the inner side of the positioning frame, and the output end of the air cylinder penetrates through the outer side of the positioning frame. The utility model is further characterized in that the output end of the air cylinder is fixedly provided with a driving rack, the driving rack is positioned between two gear-missing wheels, and the gear-missing wheels are meshed with the driving rack. The utility model is further characterized in that a plurality of fixed shafts are fixedly arranged on the inner side of the positioning frame, and the gear-lack wheels are in running fit with the corresponding fixed shafts. The utility model is further characterized in that two connecting rods are fixedly arranged on the outer side of the clamping plate, the mounting plate is in sliding fit with the corresponding connecting rods, two limiting rods are fixedly arranged between the two connecting rods on the same clamping plate, and the other ends of the two first telescopic rods are in running fit with the corresponding limiting rods. The utility model further provides that the other two limiting rods are rotationally