Prepressing unilateral stretching device for PET film
A technology of transverse stretching and pre-compression, which is applied in the field of mechanical devices, can solve problems such as affecting insulation performance and prone to creases, and achieve the effects of good temperature maintenance, improved comprehensive mechanical properties, and simple device structure
Pending Publication Date: 2018-03-13
池州市东聚新能源科技有限公司
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Problems solved by technology
In the new energy power battery industry, it is necessary to use PET film for electrical insulation protection, while traditional PET films are usually pulled out directly by traction rollers for longitudinal stretching. It is prone to creases and other problems that affect the insulation performance during use
Method used
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[0016] Such as figure 1 , figure 2 As shown, a pre-pressed PET film transverse stretching device includes a frame 1, a placing table 2, a servo stretching mechanism 3, a heating tube 4, a heat conducting rod 5, a door frame 6, a cylinder 7, an upper platen 8, a One guide rod 9, the first spring 10, the lower pressing plate 11, the second guide rod 12, the described placing platform 2 is positioned at the center of the upper end of the frame 1, and the described placing platform 2 is screwed to the frame 1, and the described The servo stretching mechanism 3 is located at the upper end of the frame 1, the servo stretching mechanism 3 is threadedly connected with the frame 1, the heating tube 4 is located inside the placement platform 2, and the heating tube 4 is threaded with the placement platform 2 connected, the heat conduction rod 5 is located outside the placement platform 2, the heat conduction rod 5 is threadedly connected with the placement platform 2, the door frame 6...
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The invention discloses a prepressing unilateral stretching device for a PET film, which comprises a rack, a placing table, servo stretching mechanisms, a heating pipe, a heat conduction bar, a gantry, a cylinder, an upper press plate, first guide rods, first springs, a lower press plate and second guide rods. When the high elastic PET film intermittently passes by the placing table, the cylindermoves down, the lower press plate flattens the high elastic PET film under an elastic force action of the first springs, the heating pipe heats the placing table, since the material of the lower pressplate is red copper, better heat conductivity is realized, the PET film is subjected to heat preservation under a combined action of the placing table and the upper press plate, and electromagnets are electrified to attract support blocks, such that PET film is compressed, afterwards, servomotors drive connecting rods fixedly connected to feeding nuts to move along a direction away from the placing table by lead screws, and a rotary angle of the servomotors is set, thereby precisely controlling a stretching amount of the PET film. The device is simple in structure, can perform prepressing stretching on the PET film, is better in temperature preservation and effectively improves the comprehensive mechanical properties of the PET film.
Description
technical field [0001] The invention relates to a mechanical device, in particular to a pre-pressed PET film unidirectional stretching device. Background technique [0002] PET film is also known as high temperature resistant polyester film. It has excellent physical properties, chemical properties and dimensional stability, transparency, and recyclability, and can be widely used in magnetic recording, photosensitive materials, electronics, electrical insulation, industrial films, packaging decoration, screen protection, optical mirrors Surface protection and other fields. In the new energy power battery industry, it is necessary to use PET film for electrical insulation protection, while traditional PET films are usually pulled out directly by traction rollers for longitudinal stretching. It is prone to creases and other problems that affect the insulation performance during use. In view of the above defects, it is necessary to design a pre-pressed PET film transverse st...
Claims
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IPC IPC(8): B29C55/08B29K67/00B29L7/00
CPCB29C55/08B29K2067/003B29L2007/00
Inventor 吴志玉
Owner 池州市东聚新能源科技有限公司