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CN-121756119-B - Machining center for bearing seat production

CN121756119BCN 121756119 BCN121756119 BCN 121756119BCN-121756119-B

Abstract

The invention discloses a machining center for bearing seat production, and relates to the technical field of numerical control machining equipment. According to the invention, the bearing seat machining and feeding and discharging are synchronously performed in a mode of switching the two bearing seat supporting plates, the machining efficiency of the bearing seat is improved to the greatest extent, the synchronous positioning of the center and the edge of the bearing seat is realized in a mode of arranging the positioning shaft on the upper surface of the bearing seat supporting plate to be matched with the positioning clamping seat, so that the positioning precision of the bearing seat is ensured, the bearing seat is initially positioned after being placed, and is automatically corrected and locked after moving to a machining station, the positioning difficulty of the bearing seat during placement is reduced, the feeding and discharging operation of the bearing seat is simplified, and the machining efficiency of the bearing seat is improved effectively.

Inventors

  • WANG ZIHUA
  • DI YONGCHUN
  • ZHAO ZHIYONG

Assignees

  • 山西东昌实业有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (7)

  1. 1. A machining center for bearing housing production, comprising: The equipment rack (1) is internally provided with a machining tool bit (11) in a sliding way; The support plate bracket (2) is rotatably arranged at the outer side of the equipment rack (1), and mounting frames (21) are fixedly arranged at two sides of the support plate bracket (2); The sliding table (3) is slidably arranged in the equipment rack (1), a supporting seat (31) is fixedly arranged in the middle of the upper surface of the sliding table (3), and a supporting plate (32) is arranged at the top end of the supporting seat (31); the bearing seat support plates (4) are arranged above the two mounting frames (21) respectively, connecting seats (42) are fixedly arranged on the lower surfaces of the two bearing seat support plates (4), the two connecting seats (42) are respectively arranged inside the two mounting frames (21) and are matched with the support plates (32), and the support plate support (2) is used for driving the two bearing seat support plates (4) to rotate so that the bearing seats can be switched between the loading and unloading stations and the processing stations; The positioning shaft (41) is fixedly arranged in the middle of the upper surface of the bearing seat supporting plate (4), and the positioning shaft (41) is used for realizing the central positioning of the bearing seat; The positioning slide grooves (43) are arranged on the upper surfaces of the bearing seat supporting plates (4), positioning clamping seats (431) are slidably arranged in the four positioning slide grooves (43), and the four positioning clamping seats (431) are respectively used for clamping four side surfaces of the bearing seat; The transmission seat (44) is arranged below the bearing seat supporting plate (4) in a vertically sliding manner, and a reset spring (444) is arranged between the transmission seat (44) and the bearing seat supporting plate (4); the four sliding seats (442) are fixedly arranged at the bottom ends of the four positioning clamping seats (431) respectively and can horizontally slide outside the four sliding rails (441), and the four transmission seats (44) are used for supporting the four positioning clamping seats (431); the jacking block (46) is arranged below the bearing seat supporting plate (4) in a vertically sliding mode, guide rods (461) are slidably arranged at four corners of the jacking block (46), and the four guide rods (461) are fixedly arranged on the lower surface of the bearing seat supporting plate (4); The jacking air cylinder (321) is arranged between the sliding table (3) and the supporting plate (32), the jacking air cylinder (321) is used for pushing the supporting plate (32) upwards so that the jacking block (46) upwards extrudes the transmission seat (44), and the transmission seat (44) is used for driving the four positioning clamping seats (431) to slide upwards so as to realize positioning of the side surface of the bearing; the annular seat (45) is arranged between the transmission seat (44) and the top block (46) in a vertically sliding manner, and a plurality of secondary springs (452) are arranged between the annular seat (45) and the transmission seat (44); The pressing blocks (451) are arranged in four and are arranged around the outer side of the annular seat (45), and the four pressing blocks (451) are respectively arranged below the four positioning clamping seats (431); a limiting groove (4511) which is arranged in the positioning clamp seat (431) and has a cross section of a' shape; The limiting jacking block (4512) and the limiting clamping block (4513), wherein the limiting jacking block (4512) can slide up and down and is arranged at the bottom end of the limiting groove (4511), the limiting clamping block (4513) can slide horizontally and is arranged at the top end of the limiting groove (4511), one ends, close to each other, of the limiting jacking block (4512) and the limiting clamping block (4513) are both arranged to be inclined planes and are in sliding fit, the jacking block (46) upwards extrudes the annular seat (45) to enable the pressing block (451) to upwards push the limiting jacking block (4512), and the limiting jacking block (4512) extrudes the limiting clamping block (4513) to enable the limiting clamping block (4513) to slide horizontally to achieve clamping and fixing of the side face of the bearing seat; The two fixing plates (33) are arranged and are fixedly arranged at the top ends of the supporting seats (31), and the two fixing plates (33) are respectively positioned at two sides of the supporting plate (32); The clamping groove (422) is formed in the bottom end of the connecting seat (42) and is T-shaped in section, and the clamping groove (422) and the fixing plate (33) are used for limiting the bearing seat supporting plate (4) above the supporting seat (31).
  2. 2. A machining center for the production of bearing seats according to claim 1, further comprising: The air guide chute (4311) is provided with four positioning clamp seats (431) and is respectively arranged at the top ends of the four positioning clamp seats; The four groups of air nozzles (4312) are arranged in the four air guide chute (4311) respectively, and the four groups of air nozzles (4312) spray compressed air flush with the upper surface of the bearing seat supporting plate (4) when the bearing seat is placed before and after the bearing seat is in a descending state so as to clean the surface of the bearing seat supporting plate (4).
  3. 3. A machining center for bearing housing production according to claim 2, further comprising: the annular groove (411) is arranged at the bottom end of the outer side wall of the positioning shaft (41) and is flush with the upper surface of the bearing seat supporting plate (4), the top end of the inner side wall of the annular groove (411) is of an inclined structure, and compressed air sprayed out of the air nozzle (4312) flows into the annular groove (411) along the surface of the bearing seat supporting plate (4) and is then guided to the outer side wall of the positioning shaft (41) so as to clean the outer side wall of the positioning shaft (41).
  4. 4. A machining center for the production of bearing seats according to claim 3, further comprising: the separation cover (22) is fixedly arranged in the middle of the top end of the supporting plate bracket (2), and the separation cover (22) is used for separating a processing station and a loading and unloading station; The cleaning air nozzles (23) are provided with two groups of cleaning air nozzles which are respectively and fixedly arranged on two sides of the separation cover (22), and the two groups of cleaning air nozzles (23) are respectively used for spraying compressed air flowing along the surface of the bearing seat supporting plate (4) so as to clean the surface of the bearing seat supporting plate (4).
  5. 5. A machining center for the production of bearing seats according to claim 1, further comprising: And the positioning bolts (443) are provided with four groups and are respectively arranged on the upper surfaces of the four sliding seats (442) through threads, and the four groups of the positioning bolts (443) are respectively used for locking the positions between the four groups of sliding seats (442) and the four groups of sliding rails (441).
  6. 6. A machining center for bearing housing production according to claim 1, wherein: the two sides of the four positioning clamping seats (431) are respectively provided with a round angle, and the positioning clamping seats (431) extrude the bearing seat through the round angles when the bearing seat is placed and offset so as to realize automatic deviation correction of the bearing seat.
  7. 7. A machining center for the production of bearing seats according to claim 1, further comprising: The collecting tank (12) is arranged at the bottom end of the equipment rack (1), and the collecting tank (12) is used for collecting processing waste and cutting fluid cleaned in the processing and feeding and discharging processes.

Description

Machining center for bearing seat production Technical Field The invention relates to the technical field of numerical control machining equipment, in particular to a machining center for bearing seat production. Background The bearing pedestal is used as a key basic component of a supporting bearing in a mechanical transmission system, and the processing quality of the bearing pedestal is directly related to the operation precision and the service life of the whole equipment. Currently, the production of the bearing seat is widely completed by adopting a numerical control machining center, but a plurality of efficiency and precision bottlenecks to be solved urgently still exist in the process flow. The traditional machining center generally adopts a single-station design, loading and unloading and the machining process must be carried out in series, when the workpiece is replaced each time, the machine tool main shaft is required to stop running and wait, so that the equipment idle rate is high, in a workpiece clamping link, most of the existing clamps adopt a single central positioning or lateral compacting mode, for a bearing seat with a complex structure, the mode is difficult to maintain extremely high positioning rigidity and stability in the machining process, especially when bearing multi-directional cutting force, tiny displacement or vibration can directly cause the machining dimension to be out of tolerance, especially the roundness, cylindricity, perpendicularity and other key form and position tolerances of the end face of a bearing mounting hole are influenced, and chips and cooling liquid generated in the machining process are extremely easy to remain on a clamp positioning surface and a workpiece mounting base surface. If the workpiece is not thoroughly cleaned before loading and unloading, the residue can cause the subsequent workpiece to generate positioning deviation to form false positioning, thereby causing batch quality accidents. At present, cleaning work is finished by relying on manpower, so that the efficiency is low, the cleanliness cannot be guaranteed, and the labor intensity and the potential safety hazard of operators are increased. Therefore, there is an urgent need in the art for a new machining center that can achieve efficient continuous machining, has high rigidity and adaptive clamping capability, and can integrate an automatic cleaning function, so as to comprehensively improve the quality, efficiency and automation level of bearing seat production. Disclosure of Invention The invention aims to provide a machining center for bearing seat production, which is used for solving the problems in the background art. In order to achieve the above purpose, the invention provides a processing center for bearing seat production, comprising: The equipment rack is internally provided with a processing tool bit in a sliding way; The support plate bracket is rotatably arranged on the outer side of the equipment rack, and mounting frames are fixedly arranged on two sides of the support plate bracket; the sliding table is slidably arranged in the equipment rack, a supporting seat is fixedly arranged in the middle of the upper surface of the sliding table, and a supporting plate is arranged at the top end of the supporting seat; The bearing seat support plates are arranged above the two mounting frames respectively, the lower surfaces of the two bearing seat support plates are fixedly provided with connecting seats, the two connecting seats are respectively arranged inside the two mounting frames and are matched with the support plates, and the support plate support is used for driving the two bearing seat support plates to rotate so that the bearing seats can be switched between the loading and unloading stations and the processing stations; the positioning shaft is fixedly arranged in the middle of the upper surface of the bearing seat supporting plate and is used for realizing the central positioning of the bearing seat; the positioning slide grooves are arranged on the upper surfaces of the bearing seat supporting plates, the four positioning slide grooves are internally and slidably provided with positioning clamping seats, and the four positioning clamping seats are respectively used for clamping four side surfaces of the bearing seat. Preferably, the device also comprises a transmission seat which is arranged below the bearing seat supporting plate in a vertical sliding way, and a reset spring is arranged between the transmission seat and the bearing seat supporting plate; The four sliding seats are respectively fixedly arranged at the bottom ends of the four positioning clamping seats and can be respectively horizontally and slidably arranged at the outer sides of the four sliding rails, and the transmission seat is used for supporting the four positioning clamping seats; The jacking block can be arranged below the bearing seat supporting plate in a vertical sliding mode, guide