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CN-122007818-A - Manufacturing process of automobile steering ball head

CN122007818ACN 122007818 ACN122007818 ACN 122007818ACN-122007818-A

Abstract

The invention discloses a manufacturing process of an automobile steering ball head, which comprises the following steps of integrally processing and forming a fixing ring and a bottom plate, installing a cooling mechanism, processing and installing a first ball head seat, processing and forming a ball head body and a ball head handle, processing and installing a second ball head seat and installing a dust cover. The invention not only improves the manufacturing and processing precision of the automobile steering ball head, but also can prolong the service life of lubricating oil, thereby improving the working stability and the service life of the automobile steering ball head.

Inventors

  • DING FENG
  • DING YUANCHAO

Assignees

  • 浙江亿瑞精工有限公司

Dates

Publication Date
20260512
Application Date
20260320

Claims (8)

  1. 1. The manufacturing process of the automobile steering ball head is characterized by comprising the following steps of: S1, integrally machining and forming a fixing ring and a bottom plate A. firstly, determining the sizes of a fixed ring and a base plate according to design requirements, manufacturing corresponding dies, forming the required fixed ring and the base plate through casting molding, fixedly connecting the fixed ring with the base plate through a connecting part, integrally forming a housing with an arc-shaped structure at the bottom of the fixed ring, protruding outwards, and arranging an opening at the top of the fixed ring; b. Then, mounting holes are formed along the bottom plate, so that the mounting holes vertically penetrate through the bottom plate; c. then polishing is carried out along the outer surfaces of the fixed ring and the bottom plate, and polishing is carried out along the inner walls of the fixed ring and the housing; d. finally, an oil outlet channel and an oil inlet channel are respectively formed on the housing and the fixed ring; S2, mounting a cooling mechanism A. Firstly, selecting a proper cooling oil tank according to the size of a base plate, and installing an evaporator and an oil pump on the cooling oil tank; b. Then selecting a first oil delivery pipe and a second oil delivery pipe, connecting one end of the first oil delivery pipe to an oil outlet channel, performing sealing treatment, connecting the other end of the first oil delivery pipe to a cooling oil tank, connecting one end of the second oil delivery pipe to an oil inlet channel, performing sealing treatment, and connecting the other end of the second oil delivery pipe to an oil pump; S3, processing and installing the first ball seat A. firstly, determining the size of a first ball seat according to the size of a fixed ring, machining the required first ball seat, and machining the first ball seat along the inner side surface of the first ball seat to form a first spherical surface; b. Then a first annular oil guide groove is formed along the top surface of the first ball seat, and the bottom of the first annular oil guide groove is in a circular arc structure; c. Next, a first oil outlet is formed along the position, close to the first annular oil guiding groove, on the first spherical surface, and the first oil outlet is communicated with the first annular oil guiding groove; d. Finally, polishing the first spherical surface, and mounting the processed first ball seat in the fixing ring to enable the first spherical surface to be placed upwards; s4, machining, forming and installing the ball head body and the ball head handle A. Firstly, determining the size of a ball head body according to design requirements, forming a required ball head body and a required ball head handle through integral processing, and polishing the outer surface of the ball head body; b. Then placing the ball head body into the first spherical surface to enable the ball head handle to face upwards; s5, processing a second ball seat A. Firstly, determining the size of a second ball seat according to the size of a fixed ring, splicing a seat body and a cover plate to form a required second ball seat through integral processing and forming, and processing the second ball seat along the inner side surface of the seat body; b. then a second annular oil guide groove is formed along the bottom surface of the seat body, and the top of the second annular oil guide groove is in a circular arc structure; c. a second oil outlet is formed along the position, away from the second annular oil guiding groove, on the second spherical surface, and the second oil outlet is communicated with the second annular oil guiding groove; d. grinding and polishing the second spherical surface, and forming a through hole along the cover plate; e. Finally, the machined second ball seat is arranged on the fixed ring in a downward way, the second spherical surface is attached to the outer surface of the ball head body, an oil cavity is formed by matching the second ball seat, the first ball seat, the ball head body and the fixed ring, the oil cavity is communicated with the oil inlet channel, and the cover plate is fixedly connected with the fixed ring through a tightening screw; s6, mounting a dust cover And selecting a proper dust cover, and respectively connecting the dust cover to the ball head handle and the fixing ring through the first fastening ring and the second fastening ring.
  2. 2. The process for manufacturing the steering ball of the automobile according to claim 1, wherein an included angle is formed between the fixed ring and the bottom plate in the step S1, and the included angle is 60-70 degrees.
  3. 3. The process for manufacturing an automobile steering ball head according to claim 1, wherein the oil outlet channel and the oil inlet channel in the step S1 are matched in inner diameter.
  4. 4. The process for manufacturing the steering ball of the automobile of claim 1, wherein the first oil delivery pipe and the second oil delivery pipe in the step S2 are respectively provided with a first valve and a second valve.
  5. 5. The process for manufacturing a steering ball of an automobile according to claim 1, wherein the first spherical surface in the step S3 is formed by downwardly recessing from the top surface side to the bottom surface side of the first ball seat.
  6. 6. The process for manufacturing a steering ball of an automobile according to claim 1, wherein the second spherical surface in the step S5 is formed by protruding upward from the bottom surface side of the seat body toward the cover plate side.
  7. 7. The manufacturing process of the automobile steering ball head of claim 1, wherein the first annular oil guide groove and the second annular oil guide groove are uniform in depth by 5-10 mm.
  8. 8. The process for manufacturing the steering ball of the automobile of claim 1, wherein the first oil outlet and the second oil outlet are distributed in an annular equidistant manner.

Description

Manufacturing process of automobile steering ball head Technical Field The invention relates to a manufacturing process of an automobile steering ball head. Background The automobile steering ball head is a key connecting part in a steering system, and the main function of the automobile steering ball head is to realize multi-angle rotation between a steering pull rod and a steering knuckle and ensure steering flexibility and control stability. Since the steering ball head needs to bear frequent swinging and loading in the working process, the steering ball head is usually filled with lubricating oil to reduce friction and delay abrasion. The performance of lubricating oils is closely related to their operating temperature. The ideal operating temperature range for lubricating oils in automotive steering systems is typically between 40 ℃ and 80 ℃. When the temperature is lower than 40 ℃, the viscosity of the lubricating oil is too high, the fluidity is poor, the steering response is slow, the power assisting effect is possibly reduced, when the temperature exceeds 80 ℃, the oil is easy to oxidize and deteriorate, the lubricating performance is reduced, and even the aging of sealing elements and the abrasion of parts are accelerated, so that the reliability and the service life of a steering system are affected. The steering ball head in the prior art adopts a closed type lubrication design, lubricating oil is difficult to effectively dissipate heat in the use process, lubrication failure is easy to cause in long-term high-temperature operation, and the wear risk of the ball head is increased. The traditional manufacturing process has the problems of low precision, complex assembly and the like in the aspects of ball seat processing, oil duct arrangement, cooling system integration and the like, and is difficult to meet the requirements of a high-performance steering system on lubrication stability and heat dissipation efficiency. Disclosure of Invention The invention aims to provide a technical scheme of a manufacturing process of an automobile steering ball head, which aims at overcoming the defects of the prior art, not only improves the manufacturing and processing precision of the automobile steering ball head, but also prolongs the service life of lubricating oil, and further improves the working stability and the service life of the automobile steering ball head. In order to solve the technical problems, the invention adopts the following technical scheme: The manufacturing process of the automobile steering ball head is characterized by comprising the following steps of: S1, integrally machining and forming a fixing ring and a bottom plate A. firstly, determining the sizes of a fixed ring and a base plate according to design requirements, manufacturing corresponding dies, forming the required fixed ring and the base plate through casting molding, fixedly connecting the fixed ring with the base plate through a connecting part, integrally forming a housing with an arc-shaped structure at the bottom of the fixed ring, protruding outwards, and arranging an opening at the top of the fixed ring; b. Then, mounting holes are formed along the bottom plate, so that the mounting holes vertically penetrate through the bottom plate; c. then polishing is carried out along the outer surfaces of the fixed ring and the bottom plate, and polishing is carried out along the inner walls of the fixed ring and the housing; d. finally, an oil outlet channel and an oil inlet channel are respectively formed on the housing and the fixed ring; S2, mounting a cooling mechanism A. Firstly, selecting a proper cooling oil tank according to the size of a base plate, and installing an evaporator and an oil pump on the cooling oil tank; b. Then selecting a first oil delivery pipe and a second oil delivery pipe, connecting one end of the first oil delivery pipe to an oil outlet channel, performing sealing treatment, connecting the other end of the first oil delivery pipe to a cooling oil tank, connecting one end of the second oil delivery pipe to an oil inlet channel, performing sealing treatment, and connecting the other end of the second oil delivery pipe to an oil pump; S3, processing and installing the first ball seat A. firstly, determining the size of a first ball seat according to the size of a fixed ring, machining the required first ball seat, and machining the first ball seat along the inner side surface of the first ball seat to form a first spherical surface; b. Then a first annular oil guide groove is formed along the top surface of the first ball seat, and the bottom of the first annular oil guide groove is in a circular arc structure; c. Next, a first oil outlet is formed along the position, close to the first annular oil guiding groove, on the first spherical surface, and the first oil outlet is communicated with the first annular oil guiding groove; d. Finally, polishing the first spherical surface, and mounting the pr