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Device for testing tensile strength of protective film

A technology for tensile strength and detection devices, which is applied in the direction of measuring devices, strength characteristics, and the use of stable tension/pressure to test material strength, etc. It can solve problems such as low measurement accuracy, complicated operation, and inability to continuously record tensile curves. , to achieve the effect of high data accuracy and strong data continuity

Inactive Publication Date: 2017-08-18
CHENGDU HUIJIA ADHESIVE PROD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the tensile strength detection of the protective film is an indispensable part of the factory inspection of the protective film. The existing protective film stretch detection generally uses manual measurement with a counterweight, the measurement accuracy is low, the operation is complicated, and The tensile curve cannot be recorded continuously. The purpose is to provide a protective film tensile strength detection device to solve the problem that the tensile strength detection of the protective film is an indispensable link in the factory inspection of the protective film. The existing tensile testing of the protective film is generally done manually. Counterweight measurement, low measurement accuracy, complex operation, and the inability to continuously record the stretching curve

Method used

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  • Device for testing tensile strength of protective film

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Embodiment

[0020] Such as figure 1 As shown, the protective film tensile strength detection device of the present invention includes an i.MX 8 processor, two parallel and opposite 1.5m long brackets (1), a DPS 100 tension gauge (5), a TC78H620 servo motor (7 ) and the capstan (6) that is connected on the servo motor (7), the tension gauge (5) and the servo motor (7) are connected on the processor, it is characterized in that, between the two supports (1) There are also two clamping devices (2) with a length of 60 cm facing each other vertically, one of which is fixed on one end of the support (1), and the other clamping device (2) is connected to the two The bracket (2) is connected, and the servo motor (7) and the winch (6) are arranged on the end of the bracket (1) where the clamping device (2) is not installed, and the winch (6) is connected with the movable The clamping device (2) is connected. The support is also provided with an LP801 displacement sensor (3) connected to the proc...

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Abstract

The invention discloses a device for testing tensile strength of a protective film. The device comprises a treatment device, two parallel opposite equal-length brackets, a tension meter, a servo motor and a winch, wherein the winch is connected with the servo motor; the tension meter and the servo motor are connected with the treatment device; two opposite clamping devices are vertically arranged between the two brackets, one clamping device is fixedly arranged at one end of the corresponding bracket, and the other clamping device is connected with the two brackets through slide rails; the servo motor and the winch are arranged at one end, without the clamping device, of the corresponding bracket; the winch is connected with the movable clamping device through a pull rope and the tension meter; the protective film is fixedly arranged between the two clamping devices, the servo motor is started by the treatment device, and the treatment device is used for recording the working state of the servo motor and the tension condition of the tension meter. The device has the advantages that by adopting the servo motor, the accuracy of the measuring data is higher, and the data continuity is strong; by adopting the spring buffer structure, the detection of the protective film with lower ductility is realized.

Description

technical field [0001] The invention relates to a tensile testing device, in particular to a protective film tensile strength testing device. Background technique [0002] According to the application, the protective film can be divided into digital product protective film, car protective film, household protective film, food fresh-keeping protective film and so on. With the popularization of digital products such as mobile phones in China, protective film has gradually become a general term for screen protective film, and its functions in the field of screen protective film are also varied. The earliest high-definition scratch-resistant, and now GLAUKE, 180 degrees and The favorite of OK8 functional protective film. The material has experienced more than 5 years of development from the earliest PP material to the current popular AR material, and has gradually been accepted by the majority of mobile phone groups. The main production was initially concentrated in industrial...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/06
CPCG01N3/08G01N3/06
Inventor 何松龙
Owner CHENGDU HUIJIA ADHESIVE PROD CO LTD
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