Film stretching detection device

Abstract

The utility model discloses a film stretching detection device which comprises two groups of guide rails which are laid on a test board in parallel; the film fixing plates adopt two layers of fixing plates, silica gel non-slip mats are respectively attached between the two layers of fixing plates, the fixing plates are fastened and mounted through bolts, pulleys corresponding to the guide rails are arranged at the bottom of the lower layer of fixing plate, and the two groups of film fixing plates are mounted on the guide rails; the two traction devices are installed at the two ends of the guide rail correspondingly, and the traction devices and the film fixing plate are installed; and the tension sensor is arranged between the traction device and the film fixing plate. By adopting the two groups of guide rails laid in parallel and the two groups of film fixing plates mounted on the guide rails, the fixing and stretching process of the film is simpler, more convenient and quicker, and the detection efficiency is greatly improved. Compared with a traditional single-group guide rail and a traditional single-group fixing plate, the detection period is remarkably shortened, and the continuity of the production process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin film detection technical field, concretely is a kind of thin film tensile testing device. BACKGROUND

[0002] In the production and quality detection process of thin film material, tensile strength is an important performance index. In the traditional method, the thin film tensile testing device usually uses artificial or mechanical traction device to stretch the thin film, and uses tension tester to detect the size of tensile force. However, this method has certain deficiencies, such as complex operation, low efficiency, easy to be affected by human error, and in the detection process, the thin film is easy to break or deform due to uneven local stress, which affects the accuracy of test results.

[0003] Therefore, the present application provides a kind of thin film tensile testing device to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the thin film tensile testing device in the prior art usually uses artificial or mechanical traction device to stretch the thin film, and uses tension tester to detect the size of tensile force. However, this method has certain deficiencies, such as complex operation, low efficiency, easy to be affected by human error, and in the detection process, the thin film is easy to break or deform due to uneven local stress, which affects the accuracy of test results.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of thin film tensile testing device, comprising:

[0007] Guide rail, the guide rail is laid in parallel two groups on test table;

[0008] Thin film fixing plate, the thin film fixing plate uses two layers of fixed plate, two layers of the fixed plate are respectively attached silica gel non-slip pad between, the fixed plate is fastened and installed by bolt, the bottom of lower layer The fixed plate is provided with pulley corresponding to the installation of guide rail, the thin film fixing plate is installed two groups on guide rail;

[0009] Traction device, the traction device is installed two groups respectively at the both ends of guide rail, the traction device is installed with thin film fixing plate;

[0010] Tension sensor, the tension sensor is installed between traction device and thin film fixing plate.

[0011] Further, three pull ropes are provided between the tension sensor and the thin film fixing plate, and the tension sensor and the traction device are connected by a traction rope.

[0012] Further, the traction device comprises:

[0013] A shell is fixedly arranged at one end of the guide rail, and a through hole is formed in the side of the shell;

[0014] A motor is mounted on the shell;

[0015] A rotating shaft is arranged in the shell and is driven to rotate by the motor, and one end of the traction rope is fixed to the rotating shaft.

[0016] Further, the tension sensor test data is transmitted to the controller, and when the tension reaches a critical value at which the film does not break and deform, the controller controls the traction device to stop working.

[0017] Further, a buffer plate is arranged between the guide rail and the traction device, and the buffer plate is fixed to the side of the traction device by a spring.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] By adopting two groups of parallelly laid guide rails and two groups of film fixing plates mounted on the guide rails, the fixing and stretching process of the film is more convenient and fast, and the detection efficiency is greatly improved. Compared with the traditional single group of guide rails and fixing plates, the detection period is significantly shortened, and the continuity of the production process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a front view of the present application;

[0021] Fig. 2 It is a top view of the present application.

[0022] In the figure: 1, guide rail; 2, film fixing plate; 3, silica gel non-slip pad; 4, bolt; 5, pulley; 6, traction device; 601, shell; 602, motor; 603, rotating shaft; 7, tension sensor; 8, pull rope; 9, traction rope; 10, buffer plate; 11, spring. DETAILED DESCRIPTION

[0023] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid obscuring the present application, some technical features known in the art are not described.

[0024] The applicant designs as Figs. 1-2The film tensile testing device shown comprises: guide rails 1, which are laid in parallel in two groups on a test bench; film fixing plates 2, which are two-layer fixing plates, between which silica gel non-slip pads 3 are attached respectively, and which are fastened and installed through bolts 4, the bottom of the lower fixing plate is provided with pulleys 5 corresponding to the installation of the guide rails 1, and the film fixing plates 2 are installed in two groups on the guide rails 1; traction devices 6, which are installed in two groups at the two ends of the guide rails 1 respectively, and which are installed with the film fixing plates 2; and tension sensors 7, which are installed between the traction devices 6 and the film fixing plates 2.

[0025] Further to the film tensile testing device, three pull ropes 8 are provided between the tension sensor 7 and the film fixing plate 2, and the traction rope 9 is connected between the tension sensor 7 and the traction device 6.

[0026] Further to the film tensile testing device, the traction device 6 comprises: a shell 601, which is fixedly arranged at one end of the guide rail 1, and which is provided with a through hole on the side surface; a motor 602, which is installed on the shell 601; and a rotating shaft 603, which is arranged in the shell 601 and is driven to rotate by the motor 602, and one end of the traction rope 9 is fixed on the rotating shaft 603.

[0027] Further to the film tensile testing device, the test data of the tension sensor 7 is transmitted to a controller, and when the tension reaches a critical value without breaking and deforming the film, the controller controls the traction device 6 to stop working.

[0028] Further to the film tensile testing device, a buffer plate 10 is further arranged between the guide rail 1 and the traction device 6, and the buffer plate 10 is connected and fixed to the side edge of the traction device 6 through a spring 11.

[0029] Working principle: when the film production is completed, a part of the sample is cut from the finished product for testing, the two ends of the sample film are fixed between the film fixing plates 2, and the fastening installation is avoided through the bolts 4, and after the fixing, the motors 602 of the two end traction devices 6 are started at the same time, the speed is adjusted to be consistent, the tension is checked through the tension sensor 7, when the tension reaches a critical value, the controller controls the motor 602 to stop running, the operator checks whether the film is deformed, and the buffer plate 10 is arranged to avoid impact when the film is deformed and broken, which causes damage to the equipment or harm to the operator.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A film stretch detection apparatus, characterized by, Include: Guide rail, two groups of which are laid in parallel on the test bench; Thin film fixing plate, two layers of fixing plates are used, silica gel non-slip pads are attached between the two layers respectively, the fixing plates are installed by bolt fastening, the bottom of the lower fixing plate is provided with pulleys corresponding to the installation of the guide rail, and the thin film fixing plate is installed on the guide rail; Traction device, two groups of which are installed at both ends of the guide rail respectively, and the traction device is installed with the thin film fixing plate; Tension sensor, which is installed between the traction device and the thin film fixing plate.

2. A film stretch detection apparatus according to claim 1, wherein Three pull ropes are arranged between the tension sensor and the thin film fixing plate, and the traction rope is connected between the tension sensor and the traction device.

3. A film stretch detection apparatus as claimed in claim 2, wherein The traction device comprises: Housing, which is fixedly arranged at one end of the guide rail, and a through hole is formed in the side surface of the housing; Motor, which is installed on the housing; Rotating shaft, which is arranged in the housing and is driven to rotate by the motor, and one end of the traction rope is fixed on the rotating shaft.

4. The film stretch detection apparatus of claim 1, wherein The test data of the tension sensor is transmitted to the controller, and when the tension reaches the critical value and the thin film does not break and deform, the controller controls the traction device to stop working.

5. The film stretch detection apparatus of claim 1, wherein A buffer plate is further arranged between the guide rail and the traction device, and the buffer plate is fixed on the side edge of the traction device through a spring.

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