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CN-121973043-A - Grinding device for differential plate roller

CN121973043ACN 121973043 ACN121973043 ACN 121973043ACN-121973043-A

Abstract

The invention relates to the technical field of grinding machine tools, in particular to a grinding device for a differential and thick plate roller, which comprises a chuck arranged on a machine tool, wherein the chuck is used for fixing a roller body to be ground, a movable seat is arranged on the machine tool, a grinding outer grinding wheel is arranged on the movable seat, an avoidance port is formed in the end face of the grinding outer grinding wheel, and when the grinding device is used, the outer surface of the roller can be subjected to double-side synchronous grinding by arranging two grinding outer grinding wheels corresponding to the roller body.

Inventors

  • SUN JUNTONG
  • ZHANG GUANGJI
  • LIU HONGJIE

Assignees

  • 沈阳东宝海星金属材料科技有限公司

Dates

Publication Date
20260505
Application Date
20260304

Claims (10)

  1. 1. The utility model provides a grinding device for differential plate roller, includes chuck (2) on locating lathe (1), the fixed roll body (3) of waiting to grind of chuck (2), a serial communication port, be equipped with on lathe (1) and remove seat (4), remove and be equipped with grinding outer emery wheel (5) on seat (4), dodge mouthful (6) have been seted up to the terminal surface of grinding outer emery wheel (5), grinding outer emery wheel (5) have two and with wait to grind roll body (3) corresponding, grinding device still includes: The grinding inner roller (7) is arranged in the grinding outer grinding wheel (5) in a sliding manner, an eccentric shaft is rotationally arranged on the movable seat (4), the grinding inner roller (7) is fixedly connected to the eccentric shaft, and the grinding inner roller (7) can extend out from the avoidance port (6); a sliding frame (8) arranged between the two grinding outer grinding wheels (5); The spray pipes (9) are arranged on the sliding frames (8), the sliding frames (8) are provided with pump bodies (10), and the pump bodies (10) are communicated with the spray pipes (9); a first driving part for driving the movable seat (4) to move bidirectionally; and a second driving part for driving the grinding outer grinding wheel (5) and the grinding inner roller (7) to grind the roller body (3).
  2. 2. The grinding device for differential-thickness plate rollers according to claim 1, characterized in that the end section of the grinding outer grinding wheel (5) is elliptical and has a twisted structure as a whole.
  3. 3. Grinding device for differential-thickness plate rolls according to claim 2, characterized in that the grinding inner roll (7) is also of a twisted structure, the inner cavity wall of the grinding outer grinding wheel (5) being matched to the outer diameter of the grinding inner roll (7).
  4. 4. Grinding device for differential-thickness plate rollers according to claim 1, characterized in that the spray pipe (9) is of a three-way pipe structure, and the spray liquid ends of the spray pipe (9) face the roller body (3) and the two grinding outer grinding wheels (5) respectively.
  5. 5. The grinding device for differential slab rolls according to claim 1, wherein the first driving part comprises: a guide rail (11) arranged on the machine tool (1), wherein the movable seat (4) is arranged on the guide rail (11) in a sliding manner; A first driving motor (12) arranged on the machine tool (1); The screw rod I (13) is arranged at the output end of the driving motor I (12), the other end of the screw rod I (13) is rotationally arranged on the machine tool (1), and the lower end of the movable seat (4) is connected to the screw rod I (13) through a sliding block in a threaded manner; A second screw rod (14) arranged on the sliding block; The second driving motor (15) is arranged on the movable seat (4), the output end of the second driving motor (15) is connected with the second screw rod (14), and the lower end of the movable seat (4) is connected to the second screw rod (14) in a threaded manner; The guide post (16) is arranged on the sliding block, and the movable seat (4) is arranged on the guide post (16) in a sliding manner.
  6. 6. Grinding device for differential-thickness plate rollers according to claim 5, characterized in that the axial direction of the guide rail (11) is kept parallel to the axial direction of the roller body (3), and the axial direction of the guide post (16) is kept perpendicular to the axial direction of the roller body (3).
  7. 7. The grinding device for differential slab rolls according to claim 1, wherein the driving portion includes: the mounting frame (17) is arranged on the movable seat (4); a driving motor III (18) arranged on the mounting frame (17); the rocker arm (19) is arranged on the driving motor III (18); the sliding ring (20) is arranged on the mounting frame (17) in a sliding manner, and the top of the rocker arm (19) is arranged in the sliding ring (20) in a sliding manner; a rack (21) provided on the slip ring (20); a first rotating shaft (22) arranged on the mounting frame (17), wherein a gear (23) and a first synchronous wheel (24) are arranged on the first rotating shaft (22), and the gear (23) is meshed with the rack (21); The second rotating shaft (25) is arranged on the mounting frame (17), the second rotating shaft (25) is provided with a second synchronizing wheel (26), the first synchronizing wheel (24) is connected with the second synchronizing wheel (26) through a synchronous belt (27), and the two grinding outer grinding wheels (5) are respectively arranged on the first rotating shaft (22) and the second rotating shaft (25).
  8. 8. Grinding device for differential-thickness plate rollers according to claim 7, characterized in that the slip frame (8) is fixedly mounted to the lateral end of the slip ring (20).
  9. 9. The grinding device for differential-thickness plate rollers according to claim 1, characterized in that the outer surface of the grinding inner roller (7) is provided with spiral grinding grains, and the end of the grinding inner roller (7) is provided with a rounded transition structure.
  10. 10. Grinding device for differential-thickness plate rollers according to claim 1, characterized in that the spray nozzle (9) is provided with a spray nozzle with adjustable angle at the spray nozzle end, and the sliding frame (8) is provided with a temperature sensor (28) for detecting the grinding temperature of the roller body (3).

Description

Grinding device for differential plate roller Technical Field The invention relates to the technical field of grinding machine tools, in particular to a grinding device for a differential-thickness plate roller. Background The roller is a core key component in the rolling process of the differential plate, the surface precision and the contour precision of the roller directly determine the product quality of the differential plate, and particularly the roller surface roughness, cylindricity and consistency of variable cross-section contours of the roller can directly influence the rolling precision, surface finish and subsequent processing performance of the plate. Therefore, the roll must be subjected to a high-precision grinding process during maintenance after production, manufacture and use. In the prior art, grinding wheel assemblies are mostly adopted for grinding devices for differential-thickness plate rollers, and grinding processing is realized by matching translation and rotation of grinding wheels with rotation of the rollers. For example, chinese patent with application number CN202511313600.8 discloses an online grinding prosthetic devices of roll surface, including grinding wheel installation mechanism, grinding wheel installation mechanism includes the grinding wheel case, and the internally mounted of grinding wheel case has push-and-pull subassembly, and grinding mechanism includes drive assembly, and locating component is installed to drive assembly's output, is equipped with the grinding wheel subassembly between grinding wheel case and the locating component, and it is through the automatic quantity of addding vice emery wheel in order to increase the width of grinding the grinding wheel group, need not to dismantle the grinding wheel group of changing different width, saves the change time, avoids other nodulation departments to continue work because of unable repair in time to lead to nodulation length and thickness to enlarge, guarantees the final quality of product. However, the differential plate roller is usually required to be processed with a specific variable cross-section profile, the traditional grinding wheel assembly is limited by a structure, profile processing can be realized only by adjusting the relative positions of the grinding wheels and the roller in the grinding process, the single grinding coverage range is limited, the transition areas of the outer surface, the end part and the inner side of the differential plate roller often have a variable-diameter curved surface structure, the traditional grinding wheel assembly is difficult to grind the transition areas of the outer surface, the end part and the inner side of the roller, and the defects of burrs, irregular edges and the like are caused in the transition areas. Disclosure of Invention In view of the above, the present invention aims to provide a grinding device for a differential-thickness plate roller, which solves the technical problems that in the prior art, contour machining can be realized only by adjusting the relative positions of a grinding wheel and the roller, and it is difficult to simultaneously grind transition areas of the outer surface, the end and the inner side of the roller, so that burrs, irregular edges and other defects appear in the transition areas. Based on the above object, the invention provides a grinding device for a differential-thickness plate roller, comprising a chuck arranged on a machine tool, wherein the chuck is used for fixing a roller body to be ground, a movable seat is arranged on the machine tool, an outer grinding wheel is arranged on the movable seat, an avoidance port is formed in the end face of the outer grinding wheel, two outer grinding wheels are arranged and correspond to the roller body to be ground, and the grinding device further comprises: The grinding inner roller is arranged in the grinding outer grinding wheel in a sliding manner, an eccentric shaft is arranged on the movable seat in a rotating manner, the grinding inner roller is fixedly connected to the eccentric shaft, and the grinding inner roller can extend out of the avoidance port; a sliding frame arranged between the two grinding outer grinding wheels; The spray pipes are arranged on the sliding frame, and the sliding frame is provided with a pump body which is communicated with the spray pipes; A first driving part for driving the movable seat to move bidirectionally; and the second driving part is used for driving the grinding outer grinding wheel and the grinding inner roller to grind the roller body. Further, the section of the end part of the grinding outer grinding wheel is elliptical, and the whole grinding outer grinding wheel is of a twisted structure. Further, the grinding inner roller is also in a twisted structure, and the inner cavity wall of the grinding outer grinding wheel is matched with the outer diameter of the grinding inner roller. Further, the spray pipe is of a three-way p