Axial-radial telescoping three layer type tire moulding drum
A tire building drum, axial and radial technology, applied to tires, other household appliances, household appliances, etc., can solve the problems of affecting tire production efficiency, troublesome tire unloading and tire installation, and increasing the weight of the whole machine, so as to achieve simple production process Fast, easy to unload the tire, and reduce the weight of the whole machine
Active Publication Date: 2018-05-22
YANSHAN UNIV
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Problems solved by technology
The contraction and extension motions of the inner and outer tiles of many telescopic tire building drums proposed at present are driven by two sets of linkage mechanisms with different sizes and hinged with the inner and outer tiles respectively, and there are many linkage mechanisms. , the gap between the two sets of inner tiles and outer tiles in the minimum shrinkage state of the forming drum is relatively large, and the structure is not compact enough, etc.
There are also many telescopic mechanisms because the shrinkage diameter after shrinkage cannot be small enough, so it is very troublesome to unload and install the tire, which affects the tire production efficiency.
Although some solutions solve the above problems, their complex structure not only increases the difficulty of production but also increases the weight of the whole machine
Method used
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the present invention.
[0021] exist figure 1 , figure 2 and image 3 In the stereoscopic diagram of the three-layer tire building drum with axial and radial expansion shown, the present invention mainly includes an inner tile assembly, an outer tile assembly and a driving assembly. The number of inner tile components and outer tile components is equal and each is 6. They are arranged alternately to form a circle, and the center of the circle is provided with a drive assembly.
[0022] exist Figure 4 In the schematic diagram of the front view section of the drive assembly and the inner tile assembly of the present invention shown, on the screw 1 that can be connected to the motor, there are threads with the same pitch and opposite rotation direction on both sides symmetrically with the center of ...
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The invention discloses an axial-radial telescoping three layer type tire moulding drum, which mainly comprises inner tile components, outer tile components, and a driving component, the number (A) ofinner tile components is equal to the number (B) of outer tile components, A and B are not less than N (N>=3); the inner tile components and outer tile components are alternatively arranged to form acircumference, and the center of the circumference is provided with the driving component. Through the difference of size parameters of each member of two neighbored inner tile driving mechanisms, the inner tile drum shoulder finally shrinks into a two layer nested column; the magnification ratio is increased, the tire moulding parameter range becomes wider, the problem that the shrinkage radiusof a conventional moulding drum is not small enough is solved; the production technology becomes more convenient and fast; a connection rod mechanism for realizing the telescoping motion of outer tiles is not needed; the weight of the moulding drum is reduced, moreover, the structure of the moulding drum becomes simpler and more compact, tires can be easily disassembled, and the control is simpleand convenient.
Description
technical field [0001] The invention relates to a tire building drum device. Background technique [0002] The building drum is a key component in tire building equipment, and its structural form varies with the structure of the tire carcass. In order to produce tires with inclined shoulders on the carcass, it is necessary for the building drum to have an axial telescoping function. The contraction and extension motions of the inner and outer tiles of many telescopic tire building drums proposed at present are driven by two sets of linkage mechanisms with different sizes and hinged with the inner and outer tiles respectively. There are many linkage mechanisms. , The gap between the two sets of inner tiles and outer tiles in the minimum shrinkage state of the forming drum is relatively large, and the structure is not compact enough. Also have a lot of telescopic mechanisms because the contraction diameter after its contraction can not reach small enough, so make tire unload...
Claims
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IPC IPC(8): B29D30/24B29D30/26
Inventor杨彦东甄春江豆亚云
OwnerYANSHAN UNIV