Search

CN-121989038-A - Pressing mechanism for mounting oil seal of automobile part

CN121989038ACN 121989038 ACN121989038 ACN 121989038ACN-121989038-A

Abstract

The invention relates to the technical field of oil seal press mounting, in particular to a press mounting mechanism for mounting an oil seal of an automobile part, which comprises a workbench, wherein a gearbox end cover for mounting the oil seal is arranged on the workbench, the oil seal comprises an oil seal outer ring in threaded connection with the gearbox end cover and an oil seal inner ring in interference fit on the oil seal outer ring, a guide table is fixedly arranged on the workbench, a butting module for accommodating the oil seal outer ring is penetrated and slidably arranged in the guide table, a rotating module sleeved on the oil seal inner ring is arranged at the top of the butting module, a lifting module for driving the rotating module to vertically lift on the gearbox end cover is arranged at the top of the rotating module, the lifting module and the rotating module are driven to descend to press the oil seal inner ring into the oil seal outer ring on the guide table, the lifting module and the rotating module are driven to descend and rotate simultaneously, and after the oil seal outer ring is screwed into the gearbox end cover, the rotating module is driven to be pulled out from the oil seal inner ring.

Inventors

  • HUANG ZEWEI

Assignees

  • 滁州悦达实业有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (9)

  1. 1. The press-fitting mechanism for mounting the oil seal of the automobile part comprises a workbench (1), wherein a gearbox end cover (2) for mounting the oil seal is placed on the workbench (1), the oil seal comprises an oil seal outer ring (3) in threaded connection with the inside of the gearbox end cover (2), and an oil seal inner ring (4) in interference fit on the oil seal outer ring (3), and the press-fitting mechanism is characterized in that a guide table (5) is fixedly mounted on the workbench (1), a docking module (6) for accommodating the oil seal outer ring (3) is penetrated and slidably mounted in the guide table (5), a rotating module (7) sleeved on the oil seal inner ring (4) is arranged at the top of the docking module (6), and a lifting module (8) for driving the rotating module (7) to vertically lift on the gearbox end cover (2) is arranged at the top of the rotating module (7); the lifting module (8) drives the rotating module (7) to descend, the oil seal inner ring (4) is pressed into the oil seal outer ring (3) on the guide table (5) in interference fit, then the lifting module (8) and the rotating module (7) drive the oil seal inner ring (4) and the oil seal outer ring (3) to rotate while descending, and after the oil seal outer ring (3) is screwed into the threaded connection of the end cover (2) of the gearbox, the lifting module (8) drives the rotating module (7) to be pulled out from the oil seal inner ring (4).
  2. 2. The press-fit mechanism for mounting an oil seal of an automobile part according to claim 1, wherein the butt-joint module (6) comprises a first telescopic rod (601) fixedly mounted on the guide table (5), a sliding platform (602) fixedly mounted at the end part of an output shaft of the first telescopic rod (601), and a containing groove (603) formed in the top of the sliding platform (602), the oil seal outer ring (3) is located in the containing groove (603) and is matched in shape, and the sliding platform (602) penetrates through the guide table (5) and is in sliding connection with the guide table (5).
  3. 3. The press-fit mechanism for oil seal installation of automobile parts according to claim 1, wherein the lifting module (8) comprises a positioning frame (801) fixedly installed on the workbench (1), a second telescopic rod (802) fixedly installed on the positioning frame (801), a lifting shaft (803) fixedly installed on the end part of the second telescopic rod (802) and a sleeve (804) fixedly installed on the positioning frame (801), and the lifting shaft (803) penetrates through the sleeve (804) and is in sliding connection with the sleeve (804).
  4. 4. A press-fit mechanism for oil seal installation of automobile parts according to claim 3, wherein the rotary module (7) comprises an electric rotary table (701) fixedly installed at the end part of the lifting shaft (803), and a connecting boss (702) fixedly installed on the bottom surface of the electric rotary table (701), and the oil seal inner ring (4) is sleeved on the outer peripheral surface of the connecting boss (702) in interference fit.
  5. 5. The press-fit mechanism for mounting an oil seal of an automobile part according to claim 2, wherein the guide table (5) comprises a base (501) fixedly mounted on the workbench (1), a support (502) symmetrically mounted on the base (501), a top seat (503) fixedly mounted on the top of the support (502), and a first through hole (504) formed in the top seat (503), a sedimentation module (9) for stacking the oil seal outer ring (3) is arranged above the first through hole (504), and the sliding platform (602) is in sliding connection with the bottom surface of the top seat (503).
  6. 6. The press-fit mechanism for mounting an oil seal of an automobile part according to claim 5, wherein the sedimentation module (9) comprises a third telescopic rod (901) fixedly connected to the top of the top seat (503), a sliding plate (902) fixedly connected to the end of the third telescopic rod (901), two second through holes (903) formed in the sliding plate (902), a plurality of vertical rods (904) surrounding the second through holes (903) and fixed on the sliding plate (902), and a platen (905) slidably connected to the plurality of vertical rods (904), wherein the bottom of the platen (905) is stacked with the oil seal outer ring (3) located right above the second through holes (903).
  7. 7. The press-fit mechanism for mounting an oil seal of an automobile part according to claim 1, wherein a plurality of support cushion blocks (10) for supporting the end cover (2) of the gearbox are fixedly mounted on the workbench (1), and a clamp (11) for positioning the end cover (2) of the gearbox is further mounted on the workbench (1).
  8. 8. The press-fit mechanism for mounting an oil seal of an automobile part according to claim 2, wherein the workbench (1) is provided with a positioning ball head (12), and a position sensor matched with the positioning ball head (12) is fixedly arranged at the bottom of the sliding platform (602).
  9. 9. The press-fit mechanism for oil seal installation of automobile parts according to claim 5, wherein the top surface of the support (502) is lower than the slide table (602).

Description

Pressing mechanism for mounting oil seal of automobile part Technical Field The invention relates to the technical field of oil seal press fitting, in particular to a press fitting mechanism for mounting an oil seal of an automobile part. Background The development of new energy and intelligent automobiles has driven the need for high performance oil seal products, especially in high pressure seal products, to continue to increase. Compared with the common shock absorber, the automobile high-pressure shock absorber has the characteristic that the oil pressure is greatly increased. Because the oil pressure is greatly increased and the tightness of the oil seal in a high-pressure state is further required, the double-oil-seal product is widely applied ‌. In the bearing cap oil seal press-fitting tool behind the gearbox two shafts, the problem of deflection, non-concentricity and the like of an oil seal in the installation process is very easy to cause the problem of trimming of the oil seal, the quality of the oil seal is influenced, and the oil seal is easy to scratch after the tool collides with to cause the failure of the oil seal. Meanwhile, only one pressing head is used for pressing products with double oil seals, and the problem that one oil seal drives the other oil seal to be pressed easily causes deformation of the oil seal. The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art. Disclosure of Invention The invention aims to design a press-fitting mechanism for mounting an oil seal of an automobile part, which is capable of automatically mounting a double oil seal without deflection and the like, and is not easy to deform during double oil seal mounting, so as to solve the defects in the technology. In order to achieve the aim, the invention provides the technical scheme that the press-fit mechanism for mounting the oil seal of the automobile part comprises a workbench, wherein a gearbox end cover for mounting the oil seal is arranged on the workbench, the oil seal comprises an oil seal outer ring in threaded connection with the gearbox end cover, and an oil seal inner ring in interference fit on the oil seal outer ring, a guide table is fixedly arranged on the workbench, a docking module for accommodating the oil seal outer ring is penetrated and slidably arranged in the guide table, a rotating module sleeved with the oil seal inner ring is arranged at the top of the docking module, and a lifting module for driving the rotating module to vertically lift on the gearbox end cover is arranged at the top of the rotating module; The lifting module drives the rotating module to descend so as to press the inner ring of the oil seal into the inner interference fit of the outer ring of the oil seal on the guide table, then the lifting module and the rotating module drive the inner ring of the oil seal and the outer ring of the oil seal to rotate while descending, and after the outer ring of the oil seal is screwed into the threaded connection of the end cover of the gearbox, the lifting module drives the rotating module to withdraw from the inner ring of the oil seal. Preferably, the butt joint module comprises a first telescopic rod fixedly installed on the guide table, a sliding platform fixedly installed at the end part of an output shaft of the first telescopic rod, and a containing groove formed in the top of the sliding platform, wherein the outer ring of the oil seal is located in the containing groove and is matched with the containing groove in shape, and the sliding platform penetrates through the guide table and is in sliding connection with the guide table. Preferably, the lifting module comprises a locating frame fixedly installed on the workbench, a second telescopic rod fixedly installed on the locating frame, a lifting shaft fixedly installed at the end part of the second telescopic rod and a sleeve fixedly installed on the locating frame, wherein the lifting shaft penetrates through the sleeve and is in sliding connection with the sleeve. Preferably, the rotating module comprises an electric rotating disc fixedly arranged at the end part of the lifting shaft and a connecting protrusion fixedly arranged on the bottom surface of the electric rotating disc, and the inner ring of the oil seal is sleeved on the outer circumferential surface of the connecting protrusion in interference fit. Preferably, the guide table comprises a base fixedly arranged on the workbench, a support symmetrically arranged on the base, a footstock fixedly arranged at the top of the support, and a first through hole formed in the footstock, wherein a sedimentation module for stacking the outer ring of the oil seal is arranged above the first through hole, and the sliding platform is in sliding connection w