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CN-122008035-A - Device for improving roundness of finished steel ball

CN122008035ACN 122008035 ACN122008035 ACN 122008035ACN-122008035-A

Abstract

The invention discloses a device for improving roundness of a finished steel ball, which relates to the technical field of steel ball machining and comprises a chassis and a first grinding component, wherein a fastening component is fixed at the left end of the upper side of the chassis, a material injection component is installed at the upper side of the fastening component, a material pushing component is installed at the left end of the inside of the material injection component, a second grinding component is installed at the lower end of the surface of the material injection component, a moving component is installed at the right end of the surface of the second grinding component, the grinding component comprises a first hydraulic rod, a connecting column, a connecting disc, a fixing ring and a first grinding ring, the first hydraulic rod is installed at the upper end of the chassis, the connecting column is fixed on a telescopic arm of the first hydraulic rod, the connecting disc is connected at the upper end of the connecting column in a rotating mode, and a fixing ring is fixed at the upper end of the connecting disc through bolts, so that machining efficiency can be improved, steel ball roundness consistency can be ensured, and steel ball falling in the grinding process can be prevented.

Inventors

  • ZHANG ZUBAO
  • GE JIANDONG

Assignees

  • 常熟市宝丰精工钢球有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. The device for improving the roundness of the finished steel ball is characterized by comprising a chassis (1) and a first grinding component (2); The chassis (1) is characterized in that a fastening component (7) is fixed at the left end of the upper side, a material injection component (4) is arranged at the upper side of the fastening component (7), a pushing component (5) is arranged at the left end inside the material injection component (4), a second polishing component (3) is arranged at the lower end of the surface of the material injection component (4), and a moving component (8) is arranged at the right end of the surface of the second polishing component (3); The utility model provides a polishing assembly (2) includes first hydraulic stem (21), spliced pole (22), connection pad (23), solid fixed ring (24) and first polishing ring (25), first hydraulic stem (21) is installed to the upper end of chassis (1), be fixed with spliced pole (22) on the flexible arm of first hydraulic stem (21), the upper end rotation of spliced pole (22) is connected with connection pad (23), the upper end of connection pad (23) is fixed with solid fixed ring (24) through the bolt, first ring channel has been seted up to the upper end of solid fixed ring (24), the inside of first ring channel is fixed with first polishing ring (25), first annular polishing groove has been seted up to the upper end of first polishing ring (25), first polishing ring (25) corresponds with second polishing assembly (3) each other, install rotation subassembly (9) and fixed subassembly (6) on the periphery of spliced pole (22), fixed subassembly (6) match with fastening subassembly (7), the output of the electric controller of first hydraulic stem (21) is connected to the outside PLC.
  2. 2. The device for improving roundness of a finished steel ball according to claim 1, wherein the rotating assembly (9) comprises a supporting seat (91), a second motor (92), a gear (93) and a gear ring (94), the supporting seat (91) is fixed at the front end of the surface of the connecting column (22), the second motor (92) is installed on the upper side of the supporting seat (91), the gear (93) is fixed on an output shaft of the second motor (92), the gear ring (94) is fixed at the lower end of the connecting disc (23), the gear (93) is meshed with the gear ring (94), and the input end of the second motor (92) is electrically connected with the output end of an external PLC.
  3. 3. The device for improving roundness of the finished steel ball according to claim 1, wherein the fixing component (6) comprises a connecting seat (61), a third hydraulic rod (62), a mounting plate (63) and an anti-slip plate (64), the connecting seat (61) is fixed at the left end of the circumferential surface of the connecting column (22), the third hydraulic rod (62) is mounted at the left side of the connecting seat (61), the mounting plate (63) is fixed on a telescopic arm of the third hydraulic rod (62), the anti-slip plate (64) is fixed at the left end of the mounting plate (63), evenly distributed anti-slip grooves are formed in the left end of the anti-slip plate (64), and the input end of the third hydraulic rod (62) is electrically connected with the output end of an external PLC.
  4. 4. The device for improving roundness of the finished steel ball of claim 3, wherein the fastening component (7) comprises a supporting bar (71) and a antiskid plate (72), the supporting bar (71) is fixed on the left side of the upper end of the chassis (1), the antiskid plate (72) is fixed on the right side of the supporting bar (71), and the antiskid plate (72) and the antiskid plate (64) are mutually corresponding.
  5. 5. The device for improving roundness of a finished steel ball according to claim 4, wherein the material injection component (4) comprises a guide barrel (41), a polishing half pipe (42), a guide pipe (43), a connecting block (44) and an arc polishing strip (45), the guide barrel (41) is fixed on the upper side of the support bar (71), a material injection port is formed in the upper end of the surface of the guide barrel (41), the polishing half pipe (42) is fixed in the guide barrel (41), the guide pipe (43) is fixed at the right end of the guide barrel (41), the connecting block (44) is arranged at the lower end of the guide pipe (43), a fixing groove is formed in the lower side of the connecting block (44), the arc polishing strip (45) is fixed in the fixing groove, and a polishing groove is formed in the lower side of the arc polishing strip (45).
  6. 6. The device for improving roundness of a finished steel ball according to claim 5, wherein the second polishing component (3) comprises a fixed disc (31), a second polishing ring (32), a connecting plate (33) and a mounting bar (34), the mounting bar (34) is fixed at the lower end of the surface of the guide barrel (41), the connecting plate (33) is fixed at the lower side of the mounting bar (34), the fixed disc (31) is fixed at the lower side of the connecting plate (33) through bolts, a second annular groove is formed at the lower end of the fixed disc (31), a second annular groove polishing groove is formed at the lower end of the second annular groove, the second polishing ring (32) corresponds to the first polishing ring (25), openings are formed at the right ends of the fixed disc (31) and the second polishing ring (32), the arc-shaped polishing bar (45) corresponds to the second polishing ring (32), and the arc-shaped polishing groove (45) is formed at the lower end of the second polishing ring (32).
  7. 7. The device for improving roundness of a finished steel ball according to claim 5, wherein the pushing assembly (5) comprises a second hydraulic rod (51) and a pushing disc (52), the pushing disc (52) is arranged in the polishing half pipe (42), the second hydraulic rod (51) is arranged at the left end of the guide barrel (41), a telescopic arm of the second hydraulic rod (51) is fixed at the left end of the pushing disc (52), and an input end of the second hydraulic rod (51) is electrically connected with an output end of an external PLC.
  8. 8. The device for improving roundness of the finished steel ball according to claim 5, wherein the moving assembly (8) comprises a fixed frame (81), pressure sensors (82), a mounting frame (83), a first motor (84), a moving bar (85), a threaded rod (86) and a limit rod (87), a mounting groove is formed in the right end of the fixed disc (31), the fixed frame (81) is fixed in the inside of the mounting groove, two pressure sensors (82) are arranged on the right side of the fixed frame (81), the pressure sensors (82) on the right side are arranged on the right side of the fixed disc (31), grooves are formed in the inside of an opening formed in the right end of the fixed disc (31), the pressure sensors (82) on the left side are attached to the left side of a connecting block (44), the moving bar (85) is fixed on the right side of the connecting block (44), a threaded hole is formed in the front side edge of the moving bar (85), the threaded rod (86) is connected in the inside of the threaded hole in a threaded manner, the threaded rod (86) is rotatably connected to the inside of the fixed frame (81), the limit rod (87) is connected to the inside of the fixed bar (81) in the inside of the fixed bar (87), the right side of fixed frame (81) is fixed with mounting frame (83), the internally mounted of mounting frame (83) has first motor (84), the output shaft of first motor (84) is fixed in the right-hand member of threaded rod (86), the output of outside PLC controller is connected to the input electricity of first motor (84).
  9. 9. The device for improving roundness of a finished steel ball according to claim 2, further comprising a protective cover (10), wherein a fixing hole is formed in the middle of the protective cover (10), the connecting column (22) is fixed in the fixing hole, and the gear (93) and the gear ring (94) are both located in the protective cover (10).
  10. 10. The device for improving roundness of the finished steel ball according to claim 1, wherein three corresponding mounting seats (11) are fixed on the side face of the chassis (1), and mounting holes (12) are formed in the upper side of each mounting seat (11).

Description

Device for improving roundness of finished steel ball Technical Field The invention relates to the technical field of steel ball processing, in particular to a device for improving roundness of a finished steel ball. Background In the field of precision machinery manufacturing, the roundness of a finished steel ball is one of the most central quality indexes. The steel ball is used as a key component of the rolling bearing, and the geometric precision, particularly the roundness, of the steel ball directly determines the rotation precision, the dynamic performance, the service life and the operation reliability of the whole bearing assembly. A steel ball with extremely high roundness can ensure uniform load distribution, obviously reduce vibration and noise in the running process, and simultaneously reduce abrasion to a bearing raceway. For high-end equipment such as high-precision machine tool spindles, aerospace engines, high-speed motor train units, precision medical appliances and the like, the used bearings have nearly strict requirements on the roundness of the steel balls. Therefore, the roundness of the finished steel ball is improved, the process of improving the quality of a single part is improved, the basic link of the whole mechanical system for realizing high-performance, high-reliability and long-service-life operation is ensured, and the method has important significance for promoting the development of high-end equipment manufacturing industry. However, the existing steel ball finishing technology, especially in the roundness correction step after heat treatment, still has some obvious limitations. Conventional processes have relied on either lengthening the grinding time of the steel ball in the lapping machine or using higher precision grinding disks for batch processing. This method is passive and extensive in nature, and has problems of low efficiency and high processing cost. More importantly, in the batch grinding process, a large number of steel balls are in unordered random collision and rolling states in a grinding disc, so that grinding force, movement track and grinding time of each steel ball are inconsistent, roundness improving effect differences of the steel balls in the same batch are obvious, and stable and consistent extremely high precision is difficult to realize. In addition, the existing device often lacks effective pretreatment and anti-falling mechanisms in the feeding and polishing processes, tiny burrs or knocks possibly existing on the surface of the steel ball can not be effectively treated before the steel ball enters the main polishing area, and the steel ball is in accidental falling risk from the polishing area during high-speed polishing, so that continuity and automation degree of the processing process are affected, further improvement of final finished product roundness precision and qualification rate is restricted, and therefore, the device for improving the roundness of the finished product steel ball is provided. Disclosure of Invention The invention aims to overcome the existing defects, and provides a device for improving the roundness of a finished steel ball, which can improve the machining efficiency, ensure the roundness consistency of the steel ball and prevent the steel ball from falling off in the polishing process, and can effectively solve the problems in the background technology. In order to achieve the aim, the invention provides the technical scheme that the device for improving the roundness of the finished steel ball comprises a chassis and a first grinding component; The chassis comprises a chassis, a fastening component, a pushing component, a second polishing component, a moving component and a fixing component, wherein the fastening component is fixed at the left end of the upper side, the material injection component is arranged at the upper side of the fastening component, the pushing component is arranged at the left end of the interior of the material injection component, the second polishing component is arranged at the lower end of the surface of the material injection component, and the moving component is arranged at the right end of the surface of the second polishing component; The polishing assembly comprises a first hydraulic rod, a connecting column, a connecting disc, a fixing ring and a first polishing ring, wherein the first hydraulic rod is installed at the upper end of the chassis, the connecting column is fixed on a telescopic arm of the first hydraulic rod, the connecting disc is connected at the upper end of the connecting column in a rotating mode, the fixing ring is fixed at the upper end of the connecting disc through bolts, a first annular groove is formed in the upper end of the fixing ring, the first polishing ring is fixed in the first annular groove, a first annular polishing groove is formed in the upper end of the first polishing ring, the first polishing ring corresponds to the second polishing asse