JPH078076B2 - How to attach speaker nets - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for sticking a speaker net in which a dustproof net is stuck to arrow paper of a speaker. [Prior Art] Woven cloth on the front of arrow paper for the purpose of dust prevention
Although a speaker with a dustproof net made of non-woven fabric is used, as a pasting method of the dustproof net, a method of using an adhesive and a method of utilizing the heat-sealing property of plastic stick-made paper are conventionally known. Is. The latter method of attaching the speaker nets is as shown in FIG. 5, in which the net 1 is cut beforehand according to the outer shape of the arrow paper 2, and the net 1 is placed on the arrow paper 2 and With a soldering iron heated to 200 ° C to 230 ° C, an appropriate number of points 7 and 7 on the arrow paper 2,
... is melted by heat and the net 1 is pre-bonded to the arrow paper 2,
Then, it is heated and pressed by the hot plate press machine 3 to produce the net 1.
This is a method of heat-sealing the paper to the arrow paper 2. [Problems to be Solved by the Invention] In the prior art, since the net 1 cut into a predetermined shape is easily bent and deformed, the workability of the step of pre-adhering the net 1 to the arrow paper 2 is poor. In the state where the net 1 is pre-bonded to the arrow paper 2, the thread at the outer peripheral cut portion of the net 1 is frayed, resulting in poor appearance. Further, in the process of heating and pressurizing with a hot plate pressing machine to heat-bond, the frayed yarn is caught in another portion of the net 1, resulting in poor appearance. The net 1, which has been cut into a predetermined shape in advance, expands and contracts due to humidity and the like, causing a sticking deviation of the net 1. There were problems such as. [Means for Solving the Problems] The present invention comprises the following steps: (a) A rolled band-shaped net (1) is sent out, and the sent-out net (1) is attached to the pasting surface of the net (1). The net (1) is affixed to the arrow paper (2) by heat-pressing it by abutting it on a plastic stick arrow paper (2) having a groove (6) corresponding to the cut shape of the net (1). The process of doing. (B) The peripheral portion of the arrow paper (2) of the net (1) is fixed, and the net (1) is cut by the cutting blade die (5) at the groove (6). Thereby, the step of cutting along the outer peripheral edge portion of the arrow paper (2). It is characterized by consisting of. [Operation] According to the above configuration, the sent net 1 is brought into contact with the plastic sheet 2 and heated and pressed to heat-bond the net 1 to the sheet 2. Like Net 1 beforehand
Need not be cut according to the outer shape of the arrow paper 2,
All the problems associated with it are solved. That is, the workability in the pre-bonding process due to the bending and deformation of the net 1 is eliminated, the sticking displacement due to the expansion and contraction of the net 1 is eliminated, and the appearance defect due to the frayed yarn of the outer peripheral cut portion of the net 1 is eliminated. The rolled band-shaped net 1 is sent out, and the sent-out net 1 is brought into contact with the plastic sheet paper 2 and is heated and pressed to heat-bond the net 1 to the sheet paper 2.
After that, the peripheral portion of the net 1 is fixed, and the net 1 is cut along the outer peripheral edge portion of the arrow paper 2 by the cutting blade die 5, so that the heat fusion and cutting of the net 1 are continuously performed. It becomes possible and mass production becomes possible. Since the net 1 is cut at the groove 6 portion of the arrow paper 2, the cutting of the net 1 on the arrow paper 2 is easy and complete. [Embodiment] This will be described with reference to FIGS. Hereinafter, the manufacturing process will be described. The first embodiment: 1 is a roll-shaped band-shaped net, which is delivered intermittently. The net 1 is made of a woven or non-woven fabric mainly composed of polyester. This net 1 moves intermittently on the upper surface of the plastic paper 2
At the time of stop, the hot plate press machine 3 heated to 200 ° C. to 230 ° C. descends to bring the net 1 into contact with the plastic sheet paper 2 and heat and pressurize the net 1 to the sheet paper 2 by heat fusion. . The arrow paper 2 is made of a thermoplastic plastic such as ABS resin, heat resistant ABS resin, Noryl resin, ABS resin mixed with glass fiber. Then, when the heat fusion between the net 1 and the arrow paper 2 is completed and the hot plate pressing machine 3 moves up,
The net 1 is sent to the next step together with the heat-sealed arrow paper 2. In the next step, the peripheral portions (front and rear portions or their peripheries) of the arrow paper 2 of the net 1 are fixed by the first and second net fixing tools 4a and 4b, and the cutting blade die 5 is lowered. , The net 1 is cut along the outer peripheral edge of the arrow paper 2. The shape of the blade 5a of the cutting blade die 5 is similar to the outer shape of the arrow paper 2, and as shown in FIG. 2, the net 1 is located 0.2 mm to 1.0 mm inside from the outer peripheral edge of the arrow paper 2. Arrow paper 2
It is shaped as cut above. This is done by using the arrow paper 2 as a receiving mold for the cutting blade mold 5.
The purpose is to complete the cutting. Also, arrow paper 2
From the outer edge of the arrow paper 2 to the net 1 0.2mm ~ 1.0
It has a structure suitable for cutting on the arrow paper 2 inside mm, which will be described with reference to FIGS. 3 to 4. That is, the arrow paper 2 is one in which a concave groove 6 corresponding to the cut shape of the net 1 is formed on the pasting surface of the net 1, and when the net 1 is cut,
The blade 5a of the cutting blade die 5 is lowered to the concave groove portion 6 to cut the net 1. Second Embodiment: In the first embodiment, the blade 5 of the cutting blade mold 5 is
Although the temperature of a is normal temperature, in the present embodiment, the temperature of the blade 5a is set to 250 ° C. to 300 ° C. so that the net 1 is hot melt cut. Other steps are the same as or equivalent to those in the first embodiment. EFFECTS OF THE INVENTION The present invention does not require the net 1 to be cut in advance in conformity with the outer shape of the arrow paper 2 as in the conventional method. The workability in the pre-adhesion process due to, the sticking misalignment due to the expansion and contraction of the net 1 is eliminated, and the appearance defect due to the fraying of the thread at the outer peripheral cut portion of the net 1 is also eliminated. Therefore, there is an effect that the mass production is possible, and the cutting of the net 1 on the arrow paper 2 is easy and complete.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG. 4 are views showing a method of pasting a speaker net according to the present invention and the structure of its arrow paper, and FIG. 5 is a diagram showing a conventional method of pasting a speaker net. . 1 ... Net, 2 ... Arrow paper, 3 ... Hot plate press, 4
a, 4b ... First and second net fixing tools, 5 ... Cutting blade mold, 6 ... Recessed groove.

Claims (1)

Claims: A method for sticking a speaker net, comprising the following steps (a) to (b): (A) A rolled band-shaped net (1) is sent out, and the sent-out net (1) is formed with a groove (6) corresponding to the cut shape of the net (1) on the pasting surface of the net (1). A step of bringing the net (1) into contact with the plastic sheet (2), heating and pressurizing the net (1) to the sheet (2) by heat fusion. (B) The peripheral portion of the arrow paper (2) of the net (1) is fixed, and the net (1) is cut by the cutting blade die (5) at the groove (6). Thereby, the step of cutting along the outer peripheral edge portion of the arrow paper (2).