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CN-224210423-U - Forming die of automobile oil filler pipe

CN224210423UCN 224210423 UCN224210423 UCN 224210423UCN-224210423-U

Abstract

The utility model relates to a forming die for an automobile oil filler pipe, which comprises a feeding plate, a seat plate, a movable module, a fixed module, a forming device and an ejection mechanism, wherein the feeding plate and the seat plate are respectively arranged front and back, the movable module and the fixed module are respectively fixed at the rear side of the feeding plate and the front side of the seat plate and are mutually matched, the forming device is arranged between the movable module and the fixed module, and the ejection mechanism is arranged between the fixed module and the seat plate.

Inventors

  • ZHANG HUI

Assignees

  • 宁波中悦精密模具有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (7)

  1. 1. The utility model provides a forming die of car filler neck pipe, includes charge plate and the bedplate that sets up around respectively, fixes respectively at charge plate rear side and bedplate front side and mutually supporting movable module and fixed die piece, locates forming device between movable module and the fixed die piece to and locate ejection mechanism between fixed module and the bedplate, its characterized in that: The molding device comprises a two-stage molding unit and a single-stage molding unit which are respectively arranged up and down, wherein the two-stage molding unit comprises a first-stage movable mold core embedded in the rear side of the movable module, a second-stage movable mold core fixed on the end face of the first-stage movable mold core, and a first fixed mold core embedded in the front side of the fixed module and matched with the second-stage movable mold core; The single-stage forming unit comprises a single-stage movable mold core embedded in the rear side of the movable mold block, and a single-stage fixed mold core embedded in the front side of the fixed mold block and matched with the single-stage movable mold core; The first active core pulling assembly comprises a first core pulling cylinder fixed on the outer wall of the right side of the primary movable mold core, a traction block movably connected on the outer wall of the bottom of the primary movable mold core so as to have a left-right translation function, and a forming column movably and obliquely inserted in the primary movable mold core, wherein the telescopic end of the first core pulling cylinder is parallel to the moving direction of the traction block and is fixed on the traction block; the utility model discloses a shaping post, including shaping post, briquetting, straight section, the shaping post is outwards formed with straight section in one side of being close to on the shaping post, the tip of straight section is forwards formed with the traction section that the slope set up, the front end of shaping post outwards is formed with the stopper, the tip of stopper still is fixed with the briquetting, first guide way and the second guide way of mutually supporting have been seted up respectively on the close side outer wall of briquetting and stopper, traction section with straight section all activity grafting is between first guide way and second guide way.
  2. 2. The forming die of an automobile fuel filler pipe according to claim 1, wherein two second active core-pulling assemblies which are distributed diagonally are further arranged between the primary movable die core and the secondary movable die core, the second active core-pulling assemblies comprise driving blocks which are movably connected between the adjacent side outer walls of the primary movable die core and the secondary movable die core and have a linear movement function, second core-pulling cylinders which are fixed on the outer walls of the secondary movable die core, and first clamping blocks and second clamping blocks which are fixed on the driving blocks and are arranged front and back, and the telescopic ends of the second core-pulling cylinders are parallel to the movement direction of the driving blocks and are fixed on the driving blocks.
  3. 3. The molding die of an automobile fuel filler pipe according to claim 2, wherein the ends of the first clamping block and the second clamping block are respectively provided with a first arc-shaped groove and a second arc-shaped groove which are concentrically distributed, the inner walls of the first arc-shaped groove and the second arc-shaped groove are matched with the outer peripheral surface of a molding column, and a conical boss is formed outwards in the center of the rear end of the molding column.
  4. 4. The molding die of the automobile oil filler pipe according to claim 1, wherein a molding lug is formed on the end face of the first fixed die core towards the direction of the second movable die core, correspondingly, a positioning sinking cavity matched with the molding lug is formed on the end face of the second movable die core, a first cavity hole is formed in the bottom face of the positioning sinking cavity, the rear end of the molding column penetrates through the first cavity hole and stretches into the positioning sinking cavity, and a step groove is formed in one side of the end face of the molding lug.
  5. 5. The mold for molding an automotive fuel filler pipe according to claim 1, wherein the single-stage molding unit further comprises two first passive core-pulling members arranged in bilateral symmetry, two second passive core-pulling members arranged in bilateral symmetry and positioned below the two first passive core-pulling members, two third passive core-pulling members arranged in bilateral symmetry and positioned below the two second passive core-pulling members, a fourth passive core-pulling member arranged between the two third passive core-pulling members, and a fifth passive core-pulling member arranged below the fourth passive core-pulling member.
  6. 6. The molding die of an automobile fuel filler pipe according to claim 5, wherein a boss block is formed on the end face of the single-stage fixed die core towards the direction of the single-stage movable die core, correspondingly, a molding concave cavity matched with the boss block is formed on the end face of the single-stage movable die core, a molding notch groove is formed on the upper side edge of the end part of the boss block, and a second cavity hole is formed on the bottom surface of the molding concave cavity.
  7. 7. The molding die of an automobile fuel filler pipe according to claim 6, wherein the fourth passive core pulling assembly comprises a fourth sliding block movably connected in the molding notch groove to have an up-down vertical movement function, and a fourth pull rod obliquely inserted and connected in the fourth sliding block, the front end of the fourth pull rod penetrates through the second cavity hole and is fixed on the movable module, and a fourth side molding block is formed on the outer wall, close to one side of the single-stage fixed die core, of the fourth sliding block in the direction of the single-stage fixed die core.

Description

Forming die of automobile oil filler pipe Technical Field The utility model relates to a forming die of an automobile oil filler pipe. Background The automobile filler neck ‌ is a pipe connecting the automobile filler neck and the oil tank, and has the main function of safely and smoothly transmitting the fuel from the filler neck to the oil tank ‌, wherein the filler neck is generally composed of an interface and a housing, and the interface and the housing of the filler neck are plastic parts in order to have certain flexibility and oil resistance so as to ensure normal operation under various use conditions. The interface of the oil filler pipe and the housing are plastic parts, so that the production process is realized by means of a matched injection mold and an injection molding machine, the internal and external structures of the interface part of the oil filler pipe at present are complex, the internal structure of the interface part cannot be molded at one time by a traditional single-stage parting mold mode, the traditional single-stage parting mold mode is required to be divided into two steps, namely, the injection molding process is carried out twice, the production steps are complex, the production efficiency is low, meanwhile, the housing part of the oil filler pipe is required to be molded by additionally manufacturing a pair of injection molds, 3 pairs of molds are manufactured, the manufacturing cost of the molds is high, and the production cost is high. Disclosure of utility model Aiming at the current state of the art, the utility model aims to provide the forming die for the automobile oil filler pipe, which greatly simplifies the production steps to effectively improve the production efficiency, and simultaneously greatly reduces the manufacturing cost of the die to obviously reduce the production cost. The utility model solves the technical problems by adopting the technical scheme that the forming die for the automobile oil filler pipe comprises a feeding plate, a seat plate, a movable module, a fixed module, a forming device and an ejection mechanism, wherein the feeding plate and the seat plate are respectively arranged front and back, the movable module and the fixed module are respectively fixed on the rear side of the feeding plate and the front side of the seat plate and are mutually matched, the forming device is arranged between the movable module and the fixed module, and the ejection mechanism is arranged between the fixed module and the seat plate, and the forming die is characterized in that: The molding device comprises a two-stage molding unit and a single-stage molding unit which are respectively arranged up and down, wherein the two-stage molding unit comprises a first-stage movable mold core embedded in the rear side of the movable module, a second-stage movable mold core fixed on the end face of the first-stage movable mold core, and a first fixed mold core embedded in the front side of the fixed module and matched with the second-stage movable mold core; The single-stage forming unit comprises a single-stage movable mold core embedded in the rear side of the movable mold block, and a single-stage fixed mold core embedded in the front side of the fixed mold block and matched with the single-stage movable mold core; The first active core pulling assembly comprises a first core pulling cylinder fixed on the outer wall of the right side of the primary movable mold core, a traction block movably connected on the outer wall of the bottom of the primary movable mold core so as to have a left-right translation function, and a forming column movably and obliquely inserted in the primary movable mold core, wherein the telescopic end of the first core pulling cylinder is parallel to the moving direction of the traction block and is fixed on the traction block; the utility model discloses a shaping post, including shaping post, briquetting, straight section, the shaping post is outwards formed with straight section in one side of being close to on the shaping post, the tip of straight section is forwards formed with the traction section that the slope set up, the front end of shaping post outwards is formed with the stopper, the tip of stopper still is fixed with the briquetting, first guide way and the second guide way of mutually supporting have been seted up respectively on the close side outer wall of briquetting and stopper, traction section with straight section all activity grafting is between first guide way and second guide way. Preferably, two second active core-pulling assemblies which are distributed diagonally are further arranged between the first-stage movable mold core and the second-stage movable mold core, each second active core-pulling assembly comprises a driving block movably connected between the adjacent side outer walls of the first-stage movable mold core and the second-stage movable mold core so as to have a linear movement function, a second core-pu