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High frequency binding profiling technology of piano tuning plate rib wood and its special device

A high-frequency gluing, special device technology, applied in wood processing appliances, wood veneer bonding, wood compression and other directions, can solve the problems of uneven heating of the glue surface, lack of specifications, long time, etc., to achieve high-quality gluing stereotypes , The effect of improving the firmness and improving the curing speed

Inactive Publication Date: 2006-01-11
陈新谋
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complexity of the curved surface of the soundboard after molding, it is difficult to achieve a uniform solidity and uniformity only by pressing the upper mold and shaping the glued surface of the ribs. Therefore, the processing process of high-quality products is long and difficult, and the process of process operation is complicated and lacks specifications. "Experience" has become the one-dimensional guarantee of product quality, which is not in line with the management philosophy of modern enterprises
Steam heating makes the surface of the rubber unevenly heated and cool on the outside. Natural curing not only takes too long, but also forms a soft core that directly affects the quality of the soundboard.

Method used

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  • High frequency binding profiling technology of piano tuning plate rib wood and its special device
  • High frequency binding profiling technology of piano tuning plate rib wood and its special device
  • High frequency binding profiling technology of piano tuning plate rib wood and its special device

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Embodiment Construction

[0013] The key to the improvement of the traditional process is the introduction of a specially improved high-frequency press designed to adapt to the new processing technology. The improved process includes the assembling and molding of the flat soundboard and the pre-set nails, the processing and shaping of the ribbed strips, the preparation of the curved soundboard, the gluing between the ribbed strips and the flat soundboard, and adding Pressing the mold and heating, gluing, curing and shaping each process at the same time. The key improvement is that the following process characteristics are formed after the high-frequency press is used in the process:

[0014] ①The evenly distributed independent hydraulic cylinder 5 pressurizes and attaches the mold above the lower profiler.

[0015] ②Using high-frequency electric field induction heating method to realize the heating and curing of the glue medium.

[0016] In order to ensure the uniform force of each rib 2 and the soundboard...

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Abstract

A high-frequency adhering technology for fixating the shape of the wooden ribs for the sound boards of piano features that a high-frequency press is used to conduct such steps as pressing by the uniformly arranged hydraulic heads, and heating and solidifying in HF electric field induction heating mode. The number and sizes of electrodes on hydraulic heads are matched with that of wooden ribs.

Description

Technical field [0001] The invention is an improvement on the gluing and shaping process of the soundboard rib wood, which is the key component of the existing piano products, and its special processing device. Background technique [0002] The gluing and shaping of piano soundboard ribs is a key process related to piano quality. In this process, the piano speaker panel, or soundboard for short, is spliced ​​and processed into a certain plane geometric shape, and then pressurized and bonded to the pre-processed rib wood to shape it into a designed curved surface. The code nails have been preset on the soundboard before pressure bonding, and the code nails are on the concave surface of the soundboard after pressure bonding, which plays a key role in transmitting the sound waves of the strings. The existing processing technology is to assemble and shape the flat soundboard and pre-set the code nails, the processing and shaping of the rib wood strips, and the preparation of the curv...

Claims

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Application Information

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IPC IPC(8): B27D1/08B27M1/02H05B6/02
Inventor 陈新谋陈刚
Owner 陈新谋
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