Kneading machine for PVC artificial leather

Abstract

A disclosed kneading machine for PVC artificial leather comprises a machine box body, a circulation drying system, a mechanical transmission system and a ventilating system; the circulation drying system comprises a heating chamber arranged at the top of the machine box body and a drying chamber arranged in the machine box body; the heating chamber is inside provided with a heat-transfer oil heat exchanger and is used to heat air in the heating chamber; the drying chamber is inside provided with a rotation roller for holding to-be kneaded PVC artificial leather; the mechanical transmission system is arranged on the machine box body and is used to provide power for the rotation roller; the ventilating system comprises a heat cycling mechanism and a cold cycling mechanism; the heat cycling mechanism is communicated with the heating chamber and the drying chamber for sending heated hot air into the drying chamber; and the cold cycling chamber is communicated with the exterior and the heating chamber for sending external cold air into the drying chamber. The kneading machine helps to enhance the pliability and the stereo perception of PVC artificial leather, helps to save energy and reduce consumption, and is safe and stable.

Description

technical field [0001] The invention relates to PVC leather processing equipment, in particular to a rubbing machine for PVC artificial leather. Background technique [0002] With the rapid development of the automobile industry and the furniture industry, the demand for artificial leather and synthetic leather is increasing rapidly. Due to the softness of the handle and the strong three-dimensional texture of the PU synthetic leather, it is widely used in sofa furniture and automobiles. on the interior. In the synthetic leather industry, a large part of PU synthetic leather is processed by wet kneading process, but with the hydrolysis of PU synthetic leather, the product price is relatively expensive and technical problems such as the inability to produce coarse grain products have appeared. Since 2005 The production of domestic PU synthetic leather has a certain degree of decline every year. [0003] Due to the characteristics of the base material and the limitation of t...

AI Technical Summary

Problems solved by technology

In the synthetic leather industry, a large part of PU synthetic leather is processed by wet kneading process, but with the hydrolysis of PU synthetic leather, the product price is relatively expensive and technical problems such as the inability to produce coarse grain products have appeared. Since 2005 The production of domestic PU synthetic leather has a certain decline every year

[0003] Due to the characteristics of the base material and the limitation of the preparation method of PVC artificial leather, compared with PU synthetic leather, the PVC artificial leather produced by it lacks the delicate texture and three-dimensional sense, and the softness of the hand feeling is not enough to achieve the effect of imitating genuine leather. , thus hindering the entry of PVC artificial leather into sofa furniture, automotive interiors and other markets that require high-simulation artificial leather

Those skilled in the art know that high-oil PVC calendered foamed artificial leather has better softness than products with lower oils, but there are the following technical problems that need to be solved: (1) even high-oil PVC calendered foamed artificial leather products and Compared with PU synthetic leather, the softness is not enough; (2) Compared with PU synthetic leather, PVC calendered foamed artificial leather products with high oil content are not fine enough in surface texture and the three-dimensional effect of pattern is not strong

[0004] However, most of the currently used drum kneading machines have the disadvantages of slow temperature rise and slow work efficiency, so they are not suitable for PVC artificial leather kneading process.

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