CN201309264Y

CN201309264Y - Mechanical turn-up molding drum support block

Info

Publication number: CN201309264Y
Application number: CNU2008202150906U
Authority: CN
Inventors: 张脉永; 王志伟
Original assignee: Double Coin Group Rugao Tyre Co Ltd
Current assignee: Double Coin Group Rugao Tyre Co Ltd
Priority date: 2008-12-05
Filing date: 2008-12-05
Publication date: 2009-09-16
Anticipated expiration: 2018-12-05

Abstract

The utility model provides a mechanical turn-up molding drum support block, which comprises support blocks and a sealed rubber ring. The support blocks are in bilateral symmetry, the inner contour bottom edge of each support block is structured into a beveled diamond, and the rubber ring fittingly arranged at the inner diameter position of each support block is a profile molding structure of the inner contour bottom edge of each support block. Utilizing the mechanical turn-up molding drum support block can ensure gluing and stitching precisions of green tire molding of an all-steel radial tire with steel rings which are regular hexagons or inclined hexagons and stabilize the molding quality.

Description

A kind of mechanical reverse wrap molding support piece

Technical field

The utility model relates to a kind of mechanical bracer that rubber tyre is used of making, and is specifically related to the bulging bracer of mechanical reverse wrap molding of applying, compacting and the location of other glue components of the fine realization tire of a kind of energy.

Background technology

Domestic and international two drums, three drums or four drum forming machines adopt mechanical assembly drum moulding all-steel meridian tyre blank mostly, specifically comprise fastening carcass mechanism, it is characterized in that in the described fastening carcass mechanism cylinder piston drive linkage being arranged, said cylinder piston drive linkage is made up of bracer cylinder block, bracer cylinder block piston, piston rod, secter pat, lead key dish, sealed rubber ring.Its superiority is: 1. by the bracer mechanism that has groove and packer ring that is evenly distributed on symmetrical two side positions on the mechanical assembly drum, under the driving of cylinder, piston, connecting rod, evenly rise synchronously, fetus is fastened on the mechanical assembly drum, the reliability of assurance aeration settling sealing in fetus, and prevent that fetus from the tire shoulder compacting process of sidewall obscission taking place final enforcement; 2. main shaft cylinder rear end cap neck bush adopts bimetal structure, has improved the wearability and the durability of mechanical assembly drum main shaft cylinder rear end cap with wear-resisting aluminium copper, has reduced manufacturing cost.

Machinery reverse wrap molding drum is the critical component that all-steel radial is produced, and with single or double push rod machinery anti-package structure, assembly drum adopts two cylinders to promote connecting rod bracer structure to all-steel radial tyre machinery reverse wrap molding drum, makes tyre bead locking, avoids slippage mostly; Wherein the bracer structure generally adopts rectangle according to the positive hexangle type and the oblique hexangle type of wire loop, and the built-in sealed rubber ring that matches of bracer groove comes the locking steel wire circle to carry out the applying and the compacting of other glue components of tire by the support power of bracer when moulding.But find that in actual production process there is following defective in this kind bracer structure: cause tire body cord and glue component displacement, the positioning accuracy in the time that tire building can not being guaranteed when 1. bracer rises the locking steel wire circle; 2. when fitting other tyre elements, takes out by fetus overdetermination type the crooked or distortion generation waster of sulfuration back carcass cord because of interior pressure existence causes on the carcass cord.

The utility model content

The bracer that the utility model provides the mechanical reverse wrap molding of applying, compacting and the location of other glue components of the fine realization tire of a kind of energy to rouse.

In order to solve above technical problem, a kind of mechanical reverse wrap molding drum utility model bracer of the present utility model, form by bracer, glue ring, it improves structure: described left and right sides bracer symmetry, and the profile base is the hypotenuse diamond structure in the bracer, its adapted glue ring also be with bracer in the corresponding polygonized structure in profile base.

The hypotenuse angle of profile base and glue ring is in the described bracer: 5-35 °.

The advantage of above structure is: by original hexangle type all-steel radial assembly drum bracer the tire quality case study takes place in actual use, propose novel bracer structure and carry out the actual production use.Bracer after the improvement has following advantage: 1. the bracer shape is applicable to regular hexagon and the tiltedly moulding of hexagon all-steel meridian tire; 2. the profile base changes 15 ° of hypotenuse diamond structures in the bracer, the processing of left and right sides bracer symmetry, and its adapted sealed rubber ring also changes 15 ° of hypotenuse diamond structures into, can the production part displacement when new bracer rises the locking steel wire circle, positioning accuracy when improving moulding; New bracer structure can be furnished with clamping action to wire loop both sides carcass when fetus inflation overdetermination type, actual measurement reduces on the carcass cord takes out more than the 8mm, improves the attaching and compacting precision of triangular rubber core and carcass cord and belt layer tread composite members and carcass cord simultaneously.

Above-mentioned mechanical reverse wrap molding drum uses novel bracer structure, can guarantee that wire loop is the applying and the bonding accurcy of regular hexagon or tiltedly hexagon all-steel radial fetus moulding, stablizes Forming Quality.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of the utility model bracer.

The specific embodiment

As shown in Figure 1, 2, mechanical anti-package push rod 1 is positioned at assembly drum 2 both sides, and the bracer 3 of described assembly drum 2 and sealed rubber ring 4 act on the wire loop 5 of hexangle type, have locking effect; Described bracer is several, and formation closely connects together.It is 15 ° rhombus groove 6 that all bracers 3 are designed to the base hypotenuse, be combined into a big circular trough, the sealed rubber ring 4 of placing corresponding shape in this circular trough is tightly connected. during use, when bracer 3 rises locking steel wire circle 5, because its special imitative type structure, displacement that can production part, positioning accuracy when improving moulding; And the structure of bracer 3 can be furnished with clamping action to wire loop 5 both sides carcass when fetus inflation overdetermination type, actual measurement reduces on the carcass cord takes out more than the 8mm, improves the attaching and compacting precision of triangular rubber core and carcass cord and belt layer tread composite members and carcass cord simultaneously.

All connect connecting rod 7 on above-mentioned each bracer 3, be connected with cylinder 8 by connecting rod 7.Ventilation by cylinder 8 realizes tyre bead locking, avoids slippage.

Claims

1, a kind of mechanical reverse wrap molding support piece is made up of bracer, sealed rubber ring, and its feature is being used for: described bracer left-right symmetry, and the profile base is the hypotenuse diamond structure in the bracer, its adapted is the imitative type structure on profile base in the bracer at the glue ring of bracer internal diameter.

2, a kind of mechanical reverse wrap molding support piece according to claim 1, its feature is being used for: the hypotenuse angle of profile base and glue ring is in the described bracer: 5-35 °.