Foaming tooling for insulating pipe without supporting block
A thermal insulation pipe, unsupported technology, applied in the direction of tubular items, household appliances, other household appliances, etc., can solve the problems of increasing polyurethane, reducing thermal insulation effect, increasing production cost, etc., and achieving the effect of reducing product cost and improving product quality.
Pending Publication Date: 2020-06-19
天津太合节能科技有限公司
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Problems solved by technology
However, the existence of the support block increases the production cost. At the same time, the thermal conductivity of the support block is higher than that of polyurethane, which causes local small thermal bridges and reduces the thermal insulation effect; and the existence of the support block hinders the flow of polyurethane raw materials in the insulation cavity, thereby increasing The difference in density of the polyurethane insulation layer at each point within the axial length of the pipe is eliminated, resulting in uneven insulation effect
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other ...
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The invention relates to the technical filed of foaming auxiliary equipment for insulating pipes, and discloses a foaming tooling for an insulating pipe without a supporting block. The foaming toolingcomprises a base and multiple groups of moulds arranged on the base; the moulds comprise lower mould rings installed on the base through vertical columns, and upper mould rings rotatably connected with the lower mould rings; and at least one group of stretching mechanisms for driving the upper mould rings to rotate are arranged between the moulds. According to the foaming tooling, the supportingblock in a pipeline is reduced or removed, the product cost is lowered, and the product quality is improved.
Description
technical field [0001] The invention relates to the technical field of foaming auxiliary equipment for thermal insulation pipes, in particular to a foaming tool for thermal insulation pipes without support blocks. Background technique [0002] The prefabricated direct buried insulation pipe is composed of working steel pipe, polyethylene outer casing and polyurethane insulation layer. During production, tie support blocks on the working steel pipe, and tie one every 0.5-1 meter according to the size of the pipe specification. Afterwards, the working steel pipe is inserted into the polyethylene outer casing, and the supporting block is used to support the working steel pipe, so that the working steel pipe and the polyethylene outer casing are kept concentric. However, the existence of the support block increases the production cost. At the same time, the thermal conductivity of the support block is higher than that of polyurethane, which causes local small thermal bridges an...
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Login to View More IPC IPC(8): B29C44/12B29C44/58B29L23/00
CPCB29C44/12B29C44/583B29L2023/22
Inventor 李志李宪实周曰从
Owner 天津太合节能科技有限公司