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Self-locking nylon 66 plastic cable tie with high locking force and preparation method of self-locking nylon 66 plastic cable tie

A plastic cable tie and self-locking technology, which is applied in packaging, flexible and slender components, transportation and packaging, etc., can solve the problems of locking failure and mechanical performance degradation, and achieve the effect of improving the locking force

Inactive Publication Date: 2021-10-22
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the plastic clamp is subjected to high-frequency vibration for a long time, the mechanical properties of the plastic body will drop sharply due to cracking, and the locking will fail.

Method used

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  • Self-locking nylon 66 plastic cable tie with high locking force and preparation method of self-locking nylon 66 plastic cable tie
  • Self-locking nylon 66 plastic cable tie with high locking force and preparation method of self-locking nylon 66 plastic cable tie
  • Self-locking nylon 66 plastic cable tie with high locking force and preparation method of self-locking nylon 66 plastic cable tie

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0030] The present invention provides the preparation method of the self-locking nylon 66 plastic strap according to the above scheme, including the step of using the injection molding process to increase the touched nylon 66 into the tied mold, press preemptive and cooling, resulting in high Self-locking nylon 66 plastic strap with locking force.

[0031] The present invention is preferably added to 60 to 80 ° C for 4 to 8 hours before injection. The present invention is drying the toughen nylon 66, making the touchaen Dragon 66 easily below the injection molding process, in addition, excessive moisture can easily result in a reduced risoting force in the product.

[0032] In the present invention, the injection molding conditions include: the injection molding temperature of 280 ° C, the nozzle temperature is from 265 to 275 ° C, the injection pressure is 50 ~ 90 bar; more preferably, the nozzle temperature is 270 ° C, the injection pressure is 60 ~ 80bar. The nozzle temperature...

Embodiment 1

[0038] Example 1 and the ratio 1 to 2 tie were: length 179.5mm, width 8.9mm, with tooth thickness 1.9 mm, dentate thickness 0.8mm, size schematic figure 2 Indicated.

[0039] Example 1

[0040] The touchalon 66 was dried at 60 ° C. 6 hours, weigh dry touchalon 66 pellets 2kg after drying, set the mold temperature 40 ° C, injection molding temperature 280 ° C, nozzle temperature 275 ° C, injection pressure 60 bar, injection molding, Pressure 6S cooling 12s to get the strap.

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Abstract

The invention provides a self-locking nylon 66 plastic cable tie with high locking force and a preparation method of the self-locking nylon 66 plastic cable tie, and belongs to the technical field of tightening pieces. The self-locking nylon 66 plastic cable tie comprises a head part, a body and a tail part, the head part is provided with inverted teeth, and a plurality of sawteeth are uniformly distributed on the inner side of the body; and the cable tie is made of toughened nylon 66. The cable tie is made of toughened nylon 66, has the advantages of low temperature resistance (can resist-55 DEG C), high-low temperature circulation resistance, high-frequency vibration resistance, mold resistance and the like, and still has high locking force under the harsh conditions. Furthermore, the width of the cable tie is increased compared with that of a conventional cable tie, and the locking force of the cable tie can be further improved.

Description

Technical field [0001] The present invention relates to the field of tensioning members, in particular, to a self-locking nylon 66 plastic strap with high locking, and a method of preparation. Background technique [0002] With the rapid development of modern industries, the operating conditions of mechanical transmission equipment are becoming more harsh. Especially in the low temperature, high frequency vibration conditions in the engine, the failure of the plastic components frequently occur. In addition, the engine internal circuit is precise, the control cable is completely complex, and the tape is typically classified. However, when the plastic fastener is in high frequency vibration for a long time, the mechanical properties have fallen sharply due to cracking, and the lock is stacked. Inventive content [0003] It is an object of the present invention to provide a self-locking nylon 66 plastic strap with a high-locking force and a preparation method thereof. The plastic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D63/10C08L77/06
CPCB65D63/1018C08L77/06
Inventor 郭丽和陈守兵王廷梅王齐华王金梅
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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