A two-half active model
A flexible mold and flexible technology, applied in the field of two-half flexible mold, can solve the problems of affecting the quality of tire building, easy to dislocate, etc., and achieve the effects of improving appearance quality, avoiding friction and reducing maintenance costs.
Active Publication Date: 2019-02-22
HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
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Problems solved by technology
[0003] However, the existing two halves of the movable mold realize the clamping or releasing of the green tire through the radial movement of the movable blocks distributed in the circumferential direction, which is convenient for demoulding, and is not easy to scratch the tire. Low, but the upper and lower molds of the two halves of the movable mold are easily misaligned when the mold is closed, which affects the tire molding quality
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[0042] The invention provides a two-half active mold to achieve the purpose of accurately positioning the upper and lower molds, avoiding the appearance of steps, and improving the appearance quality of the tire.
[0043] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0044] See figure 1 , figure 1 It is a schematic diagram of the structure of the two-half active mold provided by an embodiment of the present invention.
[0045] An embodiment of the present invention provides a two-half active m...
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The invention discloses a two-half segmented mold. The segmented mold comprises an upper mold body, a lower mold body and a rough positioning device; the rough positioning device comprises a positioning part and a matching part; one of the positioning part and the matching part is fixedly connected to the upper mold body, and the other one of the positioning part and the matching part is fixedly connected to the lower mold body; the positioning part and the matching part can be matched to position the upper mold body and the lower mold body before the upper mold body and the lower mold body make contact; according to the two-half segmented mold, in the mold assembly process, the positioning part and the matching part are matched to align the upper mold body and the lower mold body, mismatching of the upper mold body and the lower mold body is prevented, generation of steps is avoided, and the tire appearance quality is improved; and before the upper mold body and the lower mold body make contact, the positioning part and the matching part are matched, and therefore the contact face of the upper mold body and the lower mold body can be protected, friction and collision of the upper mold body and the lower mold body in the positioning process can be avoided, prolonging of the service life of the mold is facilitated, and the maintaining cost is reduced.
Description
Technical field [0001] The invention relates to the technical field of tire manufacturing equipment, in particular to a two-half movable mold. Background technique [0002] Existing tire molds include two-half molds and two-half active molds. The two-half molds are not suitable for vulcanizing certain types of tires, for example, tires with low aspect ratio (the ratio of sidewall to tread width) or those with deep Tires with a high anti-skid (outer tread) depth. In addition, when using two halves of the mold, the unvulcanized tire blank must be slightly smaller than the vulcanized tire in order to put the tire blank into the mold, which requires high control over the diameter of the tire blank. [0003] The existing two-half active mold can clamp or release the tire blank by moving the circumferentially distributed active block along the radial direction, which is convenient for demolding, not easy to scratch the tire, and requires the diameter and size of the tire blank to be con...
Claims
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IPC IPC(8): B29C35/02B29C33/30B29L30/00
CPCB29D30/0606B29D2030/0607
Inventor 张伟王家栋唐乃玺周金丛管贻敏翟宝堂刘志兰王通梁西猛于振凯
Owner HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD