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Two-time radial expanding-type shaping drum

A radial expansion and forming drum technology, which is applied in the field of secondary radial expansion forming drums, can solve the problems of heavy drum body weight, non-adjustable drum expansion twice, and poor synchronization of drum tiles, so as to reduce failure rate and inertia Small, the effect of improving production efficiency

Pending Publication Date: 2019-01-15
广东荣兴机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the market, the mountain bike tire building drum adopts radial single-watt double cylinders, and multiple groups of cylinders are driven simultaneously to realize the second drum expansion. However, there are disadvantages such as poor synchronization of the drum tiles, excessive weight of the drum body, and non-adjustable two-time drum expansion.

Method used

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  • Two-time radial expanding-type shaping drum

Examples

Experimental program
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Effect test

Embodiment 1

[0018] As shown in the figure: a secondary radial expansion forming drum, including a horizontally placed main shaft 1, an adjustable outer turn-up mechanism distributed on the main shaft 1 from left to right, a positioning disc 2, and an adjustable primary expansion drum Cylinder 3, adjustable secondary drum expansion cylinder 4, limit block 5, adjustable inner turn-up mechanism, the outside of the adjustable secondary drum expansion cylinder 4 is provided with a drum tile bracket 6, and the drum tile bracket 6 The inner side of the inner side is an inclined vertebral surface and forms a sliding connection with the adjustable secondary expansion drum cylinder 4, and the right side of the drum tile bracket 6 forms a sliding connection with the limit block 5, and the drum tile bracket 6 is connected between the limit block 5 and the The adjustable secondary drum expansion cylinder 4 makes radial movement, and the outer drum tile bracket 6 is fixed with a drum tile 61; the positi...

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PUM

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Abstract

The invention relates to the technical field of rubber tyre shaping equipment, and particularly provides a two-time radial expanding-type shaping drum which includes a main shaft arranged horizontally, and an adjustable outer back-wrapping mechanism, a positioning disc, an adjustable primary expanding drum cylinder, an adjustable secondary expanding drum cylinder, a position limiting block and anadjustable inner back-wrapping mechanism, which are distributed on the main shaft from the left to right. In the invention, a set of axial two-sectional separated cylinder for driving a drum bush to achieve two-time drum expansion instead of a plurality groups of two-sectional cylinders, so that a problem of synchronism of a plurality groups of drum bushes of cylinders. The number of cylinders isreduced, so that the load on the main shaft is lowered, and the inertia during rotation is lowered too; by introducing a linear guide rail, the circumferential precision is increased, so that producedtyre carcass is improved.

Description

technical field [0001] The invention belongs to the technical field of rubber tire building machinery, in particular to a secondary radial expansion forming drum. Background technique [0002] With the continuous growth of domestic mountain bikes, the bicycle tire manufacturing industry is also growing and developing, and the demand for tire manufacturing equipment is also increasing day by day, and higher requirements are placed on the quality and functions of the equipment. As a standard part of tire manufacturing equipment, a section of building drum plays an important role in tire building. On the market, mountain bike tire building drums use radial single-blade double cylinders, and multiple sets of cylinders are driven simultaneously to achieve secondary drum expansion. However, there are disadvantages such as poor synchronization of drum tiles, excessive weight of the drum body, and non-adjustable double drum expansion. Such as the patent No. CN03259434 secondary rad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/24
CPCB29D30/24
Inventor 吴玩汉吴润森吴声峰孙树嵩
Owner 广东荣兴机械科技有限公司
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