Search

CN-116619297-B - Automobile EPS (expandable polystyrene) component press-fitting device and assembly method thereof

CN116619297BCN 116619297 BCN116619297 BCN 116619297BCN-116619297-B

Abstract

The invention provides an automobile EPS component press-fitting device and an assembly method thereof, wherein the automobile EPS component press-fitting device comprises a shell assembly, the shell assembly comprises a workbench, a driving mechanism, a control mechanism and a positioning mechanism, the shell assembly is arranged on the workbench, a mounting frame is arranged at the rear side of the workbench, the driving mechanism is arranged on the mounting frame, the output end of the driving mechanism faces the shell assembly, the positioning mechanism is arranged on the shell assembly, the driving mechanism is electrically connected with the control mechanism, the shell assembly is fixed through the workbench, a bullet pad and a retainer ring are respectively placed in the shell assembly by a worker, and after the automobile EPS component press-fitting device is started, the driving mechanism presses the bullet pad and the retainer ring into a mounting groove of the shell assembly, so that the automobile EPS component press-fitting device is simple in structure, improves the assembly efficiency, simplifies the operation steps, reduces the labor intensity of the worker, improves the qualification rate of products, and reduces the potential safety hazards.

Inventors

  • TANG JING
  • LUO DAZHI
  • CUI LIPING
  • WANG QUANSHENG
  • WU LONGYUN

Assignees

  • 株洲易力达机电有限公司
  • 湖南东嘉智能科技有限公司

Dates

Publication Date
20260512
Application Date
20230628

Claims (7)

  1. 1. The automobile EPS component press-fitting device comprises a shell combination and is characterized by comprising a workbench, a driving mechanism, a control mechanism and a positioning mechanism, wherein the shell combination is arranged on the workbench, a mounting frame is arranged on the rear side of the workbench, the driving mechanism is arranged on the mounting frame, the output end of the driving mechanism faces the shell combination, the positioning mechanism is arranged on the shell combination, and the driving mechanism is electrically connected with the control mechanism; The positioning mechanism comprises a sliding sleeve and a positioning column, the sliding sleeve and the positioning column are respectively installed on the shell combination, and an installation channel for installing a check ring and a spring pad is formed between the inner wall of the sliding sleeve and the outer wall of the positioning column; The diameter of the inner wall of the sliding sleeve is gradually reduced from top to bottom, and the diameter of the bottom of the inner wall of the sliding sleeve is smaller than the diameter of the mounting groove of the shell assembly; The lower end of the positioning column stretches into the inner cavity of the shell assembly, the diameter of the positioning column is smaller than or equal to the inner diameter of the spring pad, and the diameter of the bottom of the inner wall of the sliding sleeve is larger than or equal to the outer diameter of the spring pad.
  2. 2. The EPS component press-fitting device of claim 1, wherein the driving mechanism comprises a cylinder and a pressure head, and the pressure head is arranged at the output end of the cylinder.
  3. 3. The EPS component press-fitting device of claim 2, wherein said driving mechanism further comprises a rotating motor, said rotating motor is mounted at an output end of said rotating motor, and said pressing head is mounted at an output end of said rotating motor.
  4. 4. The device for press fitting the EPS components of the automobile of claim 2, further comprising a limiting mechanism, wherein the limiting mechanism comprises a first limiting rod and two second limiting rods, the first limiting rod is transversely arranged on one side of the pressure head, and the two second limiting rods are respectively vertically arranged on the mounting frame and are arranged on two sides of the pressure head.
  5. 5. The EPS component press-fitting device of claim 2, wherein the bottom of the pressure head is a dislocation inclined plane, the height between the highest point and the lowest point of the dislocation inclined plane is A, the height between the two ends of the opening of the retainer ring is B, and A is B=1:0.7-1.
  6. 6. The EPS component press-fitting device of claim 1, further comprising a monitoring mechanism, wherein the monitoring mechanism is electrically connected with the control mechanism, a mounting seat is arranged on the workbench, the shell is assembled and mounted on the mounting seat, and the control mechanism comprises two double-control switches which are respectively arranged on two sides of the workbench.
  7. 7. A method of assembling an EPS component for a vehicle using the press-fit device according to any one of claims 1 to 6, comprising the steps of: s1, placing the shell combination on a mounting seat for fixing; S2, respectively placing the sliding sleeve and the positioning column on the shell combination; S3, placing the spring pad into a positioning column, placing the retainer ring into the inner wall of the sliding sleeve, and starting a double-control switch; and S4, pushing the pressing head by the air cylinder to press the check ring into the mounting groove of the shell assembly, and finishing assembly.

Description

Automobile EPS (expandable polystyrene) component press-fitting device and assembly method thereof Technical Field The invention relates to the technical field of automobile EPS electric power steering gears, in particular to an automobile EPS component press-fitting device and an assembling method thereof. Background The automobile EPS electric power steering gear is an electric power steering device of an automobile steering system, and the assembly of the component shells of the existing automobile EPS electric power steering gear needs to be assembled on the assembly of the component shells by a retainer ring and a spring pad. The retainer ring is in an annular opening shape, the two ends of the opening of the retainer ring are different in height, the retainer ring is clamped by clamping spring pliers for clamping the retainer ring, the retainer ring is placed into a mounting groove of a shell assembly after being looped, then the clamping spring pliers are loosened, if the retainer ring is not placed in place, the retainer ring is knocked to be clamped into the mounting groove completely, the risk that adjacent coils and magnetism isolating structures are knocked and damaged when the assembly is not in place exists in the manual tool formula, the key components are invalid, hidden quality hazards exist, the production efficiency is low, and the labor intensity of workers is high. In view of this, a new solution is needed to solve the above technical problems. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide an automobile EPS component press-fitting device and an assembly method thereof, which solve the technical problems of hidden quality hazards, low production efficiency and high labor intensity of staff existing in the prior art. In order to achieve the above object, a first aspect of the present invention provides an automotive EPS component press-mounting device, which comprises a housing assembly, including a workbench, a driving mechanism, a control mechanism and a positioning mechanism, wherein the housing assembly is mounted on the workbench, a mounting frame is provided at the rear side of the workbench, the driving mechanism is mounted on the mounting frame, the output end of the driving mechanism faces the housing assembly, the positioning mechanism is mounted on the housing assembly, and the driving mechanism is electrically connected with the control mechanism. In a further technical scheme, the driving mechanism comprises a cylinder and a pressure head, and the pressure head is arranged at the output end of the cylinder. In a further technical scheme, the driving mechanism further comprises a rotating motor, the rotating motor is arranged at the output end of the rotating motor, and the pressure head is arranged at the output end of the rotating motor. In further technical scheme, still include stop gear, stop gear includes first gag lever post and two second gag lever posts, first gag lever post transversely install in one side of pressure head, two the second gag lever post respectively vertical install in the mounting bracket and set up in the both sides of pressure head. In a further technical scheme, the bottom of the pressure head is a dislocation inclined plane, the height between the highest point and the lowest point of the dislocation inclined plane is A, the height between the two ends of the opening of the retainer ring is B, and A is B=1:0.7-1. In a further technical scheme, the positioning mechanism comprises a sliding sleeve and a positioning column, the sliding sleeve and the positioning column are respectively installed in the shell combination, and an installation channel for installing a check ring and a spring pad is formed between the inner wall of the sliding sleeve and the outer wall of the positioning column. In a further technical scheme, the change trend of the diameter of the inner wall of the sliding sleeve from top to bottom is gradually reduced, and the diameter of the bottom of the inner wall of the sliding sleeve is smaller than the diameter of the mounting groove of the shell assembly. In a further technical scheme, the lower end part of the positioning column stretches into the inner cavity of the shell assembly, the diameter of the positioning column is smaller than or equal to the inner diameter of the spring pad, and the diameter of the bottom of the inner wall of the sliding sleeve is larger than or equal to the outer diameter of the spring pad. In a further technical scheme, the automatic control device further comprises a monitoring mechanism, wherein the monitoring mechanism is electrically connected with the control mechanism, a mounting seat is arranged on the workbench, the shell is assembled and mounted on the mounting seat, the control mechanism comprises two double-control switches, and the two double-control switches are respectively arranged on two sides of the workbench. The second as