JPH0485381A - Process and apparatus for dissolving pine resin - Google Patents

Abstract

PURPOSE:To heat solid pine resin internally to thereby dissolve it rapidly, decrease the time for its dissolution and prevent carbonization of the pine resin thus dissolved by irradiating the solid pine resin with a microwave. CONSTITUTION:Solid pine resin 2 is charged in a vessel 11, which is then closed tightly by a lid 11a. The pine resin 2 is heated by a microwave from a heater 13. Thus, due to internal heating, the pine resin is dissolved rapidly so that the working time can be reduced and the pine resin can be prevented from being carbonized. Preferably, a storage 14 is provided under the vessel 14 and is connected to the vessel by way of a communicating pipe 12, so as to store the pine resin 2a heated and dissolved in the vessel 11. The storage 14 is made up of an outer wall 14a, an inner wall 14b, and a cover 14c for closing tightly the storage. Heating elements 15 and 17 composed of nichrome wire, etc., are equipped on the communicating pipe 12 and between the outer wall 14a and the inner wall 14b of the storage 14, thereby preventing solidification of the pine resin 2a dissolved. Further, a filter 16 is arranged between the vessel 11 and the storage 14 to remove impurities and to pass only the pine resin 2a.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a pine resin dissolving method and a pine resin dissolving device for dissolving solid pine resin.

[Prior Art 1] Conventionally, a pine resin dissolving device for dissolving solid pine resin includes a container 1 sealed with a lid 1a, as shown in FIG.
A heating device 3 made of a nichrome wire that melts the solid pine resin 2 stored in the container 1 by heating it.
and an exhaust pipe 5 for exhausting the gas 4 generated by melting the rosin 2.

The container 1 consists of an outer wall 1b and inner walls 1c and 1d.
A heating device 3 made of nichrome wire is inserted between the inner wall 1c and the inner wall 1c, and an oil 6 for temperature buffering is inserted between the inner walls 1c and 1d.
is filled.

The reason why it is necessary to use the temperature buffering oil 6 at this time is that if there is no temperature buffering oil 6, the rosin will be unevenly heated, and the overheated rosin will be scorched, and this scorch will cause soldering. This is because it becomes a fatal flaw as a flux for.

The exhaust pipe 5 is for exhausting the gas contained in the solid pine resin when the pine resin 2 is dissolved.

[Problems to be Solved by the Invention] However, the above-mentioned conventional device requires time to dissolve the rosin 2 through the buffer oil 6, and also tends to cause partial overheating. There was a problem in that the melted pine resin was likely to become a defective product as solder flux.

Therefore, the present invention reduces the time required for melting work,
It is an object of the present invention to provide a pine resin melting device that prevents carbonization that tends to occur due to partial overheating of melted pine resin.

[Means for Solving the Problems] The method of the present invention improves the pine resin melting method of heating solid pine resin to dissolve solid pine resin for use in solder flux. This pine resin dissolving method is characterized by dissolving solid pine resin by irradiating the resin.

Further, the device of the present invention includes a sealed container, a heating device for melting the pine resin stored in the container, and a heating device for melting the pine resin by increasing the degree of vacuum. This is an improved pine resin melting device consisting of an exhaust pipe for exhausting the gas generated by the pine resin, and the heating device is configured to heat and melt the solid pine resin by irradiating the solid pine resin with microwaves in the container. a reservoir communicating with the container below the container and storing the melted rosin in the container; and a storage device containing impurities contained in the melted pine resin between the container and the storage device. This pine resin dissolving device is characterized in that it is provided with a filter for removing the pine resin, and the exhaust pipe is connected to the storage device.

[Function] According to the present invention, since it is a method and apparatus for heating solid pine resin using microwaves, the pine resin is internally heated by microwaves.

Therefore, the pine resin dissolves quickly, reducing the time required for the melting operation and preventing carbonization of the dissolved pine resin.

[Example 1] Hereinafter, the present invention will be described based on an example with reference to the drawings.

FIG. 1 is a sectional view of one embodiment of the device of the present invention.

The container 11 is sealed with a lid 11a, and solid pine resin is stored in the container 11 when the lid 11a is opened.

The heating device 13 is configured to heat the solid rosin 2 in the container 11 using microwaves.

The wavelength of the heating microwave is not particularly limited as long as it is a microwave.

In addition, by reflecting microwaves or stirring, pine resin 2
Although a means for efficiently heating is not particularly shown in the drawings, it goes without saying that it may be provided as appropriate.

The reservoir 14 communicates with the container 11 via a communication pipe 12 below the container 11, and stores the rosin 2a that has been heated and melted in the container 11 and has flowed in through the communication pipe 12.

The storage container 14 consists of an outer wall 14a, an inner wall 14bi3, and a lid 14c for sealing.

Between the communication pipe 12 and the outer wall 14a and inner wall 14b of the reservoir 14, heat retainers 15 and 17 made of nichrome wire or the like are provided to prevent the molten rosin 2a from solidifying.

A filter 16 is provided between the container 11 and the reservoir 14 to remove impurities contained in the melted pine resin 2a and to allow only the pine resin 2a to pass through.

When the container 11 and the storage device 14 are directly connected depending on the layout of the device, the communication pipe 12 and the heat retaining device 15 are not necessarily required.

In this case, the filter 16 is provided at the joint between the container 1 and the reservoir 14.

An exhaust pipe 5 for exhausting gas generated by melting the rosin 2 communicates with the reservoir 14 via a lid 14c.

〔Effect of the invention〕

As described above, the present invention is a method and apparatus for heating the solid pine resin using microwaves, so that the pine resin is internally heated.

Therefore, the pine resin dissolves quickly, reducing the time required for the melting operation, and preventing carbonization of the dissolved pine resin.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of one embodiment of the device of the present invention, and FIG. 2 is a sectional view of a conventional example.

Claims (1)

[Claims] 1. A pine resin dissolving method in which solid pine resin is dissolved by heating the solid pine resin, which includes dissolving the solid pine resin by irradiating the solid pine resin with microwaves. Characteristic method of dissolving pine resin. 2. A sealed container, a heating device for heating and melting the solid pine resin stored in the container, and a heating device for melting the pine resin by increasing the degree of vacuum to remove the gas generated by melting the pine resin. A rosin melting device comprising: an exhaust pipe for exhausting air; the heating device is configured to heat and melt the solid pine resin by irradiating microwaves to the solid pine resin in the container; a reservoir for storing the pine resin melted in the container; a filter for removing impurities contained in the melted rosin; provided between the container and the reservoir; A rosin dissolving device characterized in that an exhaust pipe is connected to the reservoir. 3. The pine resin dissolving device according to claim 2, wherein the reservoir communicates with the container via a communication pipe below the container. 4. The rosin dissolving device according to claim 2, wherein the reservoir is directly connected to the container below the container. 5. The pine resin dissolving device according to claim 3, further comprising a heat retaining device provided around the outer periphery of the communication pipe.