Polyurethane sleeper pad preparation tool
The utility model discloses a polyurethane sleeper pad preparation tool which comprises a lower die plate, a middle die plate and an upper die plate, and a die groove is formed in the lower die plate. The middle mold plate is formed by splicing a plurality of parallel module plates, a plurality of t...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
06.09.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a polyurethane sleeper pad preparation tool which comprises a lower die plate, a middle die plate and an upper die plate, and a die groove is formed in the lower die plate. The middle mold plate is formed by splicing a plurality of parallel module plates, a plurality of through holes can be formed by splicing every two adjacent module plates, and the middle mold plate is arranged to be capable of covering the mold groove in a sealing mode and enabling a foaming cavity to be formed in the mold groove; a plurality of lower grooves in one-to-one correspondence with the through holes are formed in the bottom surface of the die cavity; and a plurality of upper grooves in one-to-one correspondence with the through holes are formed in the bottom surface of the upper die plate. The polyurethane sleeper pad preparation tool can be used for preparing three-dimensional polyurethane sleeper pad products with complex structures on the upper side and the lower side, and the problem that the slee |
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Bibliography: | Application Number: CN202220169241U |