Device for measuring edge warping of thin film finished product

Abstract

The utility model belongs to the technical field of thin film finished product measurement, and relates to a device for measuring edge warping of a thin film finished product. Comprising a supporting piece and a dial indicator which are in sliding connection, the sliding direction is parallel to the X direction, a measuring rod of the dial indicator is perpendicular to the X direction, and the bottom end of a measuring head of the dial indicator is not higher than the bearing surface of the supporting piece. According to the utility model, the consistency and reliability of a detection result are improved when the edge warping of a thin film finished product is measured.

Description

Technical Field

[0001] The utility model belongs to the technical field of finished film measurement, and relates to a device for measuring the edge warping of a finished film. Background Art

[0002] In the production and processing of films, the stability and consistency of product quality are key factors in evaluating production efficiency and product quality. However, during the production process, the thickness of the film may vary due to various factors such as raw material characteristics, production process or equipment accuracy. Especially when slitting into finished products, these thickness differences may continue to accumulate at the same position, resulting in inconsistent diameters at different parts of the finished product, especially at the edges of the finished product, which is particularly obvious and manifests as warping.

[0003] At present, the detection of warpage of finished film edges mainly relies on visual observation and manual classification. Although this method is simple and easy to use, it has obvious limitations. First, the accuracy of visual observation is affected by human factors, and it is difficult to ensure the consistency and reliability of the test results. Secondly, for finished films with larger diameters, the difficulty of visual observation is greatly increased, and it is easy to miss or misjudge. In addition, due to the lack of specific quantitative indicators, the evaluation of the degree of warpage is also subjective. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and provide a device for measuring the warpage of the edge of a finished film.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A device for measuring the edge warping of a finished film comprises a support and a dial indicator, wherein the dial indicator is slidably connected to the support, the sliding direction is parallel to the X direction, the measuring rod of the dial indicator is perpendicular to the X direction, and the bottom end of the measuring head of the dial indicator is not higher than the load-bearing surface of the support.

[0007] The working principle of the dial indicator is to transmit the tiny displacement caused by the movement of the measured object to the measuring rod. The up and down extension and contraction changes of the measuring rod are amplified by the internal gear structure and converted into the rotation of the pointer. The angular displacement of the pointer on the dial is converted into the displacement of the measured object.

[0008] When the device of the utility model is in use, the dial indicator slides along the X direction, and when the measuring head contacts the flat area of ​​the finished film, the measuring rod does not extend or retract, and the pointer does not rotate; when the measuring head contacts the uneven area of ​​the finished film, the measuring rod extends or retracts, and the pointer rotates, and the value of the unevenness can be read according to the rotation scale of the pointer.

[0009] The surface where the supporting member contacts the supported member is usually called the contact surface or supporting surface, because it is in direct contact with the object or structure to be supported, and plays a supporting and stabilizing role. The surface in contact with the load-bearing member is usually called the load-bearing surface, because it is responsible for transferring the weight or pressure borne by the supporting member to the load-bearing member, thereby ensuring the stability and safety of the entire supporting structure. The purpose of controlling the bottom end of the measuring head of the dial indicator of the utility model to be not higher than the load-bearing surface of the support member is to ensure that the measuring head of the dial indicator can contact the finished film.

[0010] In the device for measuring the warping of the edge of a finished film as described above, the load-bearing surface of the support and the bottom end of the measuring head of the dial indicator are located on the same plane, and the rotation scale of the pointer on the dial of the dial indicator is 0. At this time, the device of the utility model is suitable for measuring a flat finished film. During the measurement process, the rotation scale of the pointer does not need to be converted and is directly equal to the unevenness value.

[0011] In the device for measuring the warping of the edge of a finished film as described above, the load-bearing surface of the support and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface, and the rotation scale of the pointer on the dial of the dial indicator is 0. At this time, the device of the utility model is suitable for measuring the finished film wound on a cylindrical roller. During the measurement process, the rotation scale of the pointer does not need to be converted and is directly equal to the unevenness value.

[0012] In the device for measuring the edge warping of a finished film as described above, the dial indicator is slidably connected to the support through a pair of mutually cooperating linear guide rails and sliders, the linear guide rails are parallel to the X direction and fixedly connected to the support, and the slider is fixedly connected to the body of the dial indicator.

[0013] In the device for measuring the edge warping of a finished film as described above, the length of the linear slide rail along the X direction is greater than the length of the support member along the X direction. The longer the length of the linear slide rail along the X direction, the larger the detection range of the edge warping of the finished film. The support member only plays a supporting role. As long as it can support the dial indicator, the length of the support member along the X direction does not need to be too long, otherwise it will easily cause waste.

[0014] As described above, in a device for measuring the edge warping of a finished film, the support member is an angle steel, which is composed of a rectangular plate A and a rectangular plate B that are perpendicular to each other; the length direction of the angle steel is parallel to the X direction, and the linear slide rail is fixedly connected to the outer side surface of the rectangular plate B.

[0015] In the device for measuring the warpage of the edge of a finished film as described above, the measuring rod of the dial indicator is parallel to the rectangular plate B.

[0016] In the device for measuring the edge warpage of a finished film product as described above, the rectangular plate A and the rectangular plate B have the same size.

[0017] In the device for measuring the edge warpage of a finished film product as described above, the rectangular plate A and the rectangular plate B are perpendicular to each other.

[0018] Beneficial effects:

[0019] The working principle of the dial indicator of the utility model is to transmit the tiny displacement caused by the movement of the measured object to the measuring rod, and the up and down extension and contraction changes of the measuring rod are amplified by the internal gear structure and converted into the rotation of the pointer, and the angular displacement of the pointer rotation on the dial is converted into the displacement of the measured object. During the measurement process, the rotation scale of the pointer does not need to be converted and is directly equal to the value of the unevenness (warping), thereby ensuring the consistency and reliability of the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a side view of the device for measuring the warpage of the edge of a finished film of the utility model (the load-bearing surface of the support member and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface);

[0021] Figure 2 A three-dimensional diagram of a device for measuring the warpage of the edge of a finished film according to the utility model (the load-bearing surface of the support member and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface);

[0022] Figure 3 A schematic diagram of the relative positions of the device for measuring the edge warping of a finished film of the utility model (the bearing surface of the support member and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface) and the finished film during the process of measuring the edge warping of the finished film wound on a cylindrical roller;

[0023] Figure 4 A schematic diagram of a device for measuring the edge warping of a finished film product of the utility model (the load-bearing surface of the support member and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface) when measuring the edge warping of the finished film product wound on a cylindrical roller, wherein the dial indicator is located at a position where the finished film product has no edge warping;

[0024] Figure 5 A schematic diagram of a device for measuring the edge warping of a finished film product of the utility model (the load-bearing surface of the support member and the bottom end of the measuring head of the dial indicator are located on the same cylindrical surface) when measuring the edge warping of the finished film product wound on a cylindrical roller, wherein the dial indicator is located at a position where the edge of the finished film product has warped;

[0025] Among them, 1-angle steel, 1.1-rectangular plate A, 1.2-rectangular plate B, 2-linear guide rail, 3-dial indicator, 4-film finished product. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0027] A device for measuring the warpage of the edge of a finished film, such as Figure 1 to Figure 5 As shown, it includes a support and a dial indicator 3;

[0028] like Figure 2 As shown, the support member is an angle steel 1, which is composed of a rectangular plate A1.1 and a rectangular plate B1.2 of the same size and perpendicular to each other;

[0029] like Figure 1 , Figure 3 As shown, the load-bearing surface of the support and the bottom end of the measuring head of the dial gauge 3 are located on the same cylindrical surface, and the rotation scale of the pointer on the dial of the dial gauge 3 is 0;

[0030] like Figure 2 , Figure 4 , Figure 5 As shown, the dial gauge 3 is slidably connected to the support member through a pair of mutually matching linear guide rails 2 and sliders, the linear guide rails 2 are parallel to the X direction and fixedly connected to the outer side surface of the rectangular plate B1.2, and the slider is fixedly connected to the body of the dial gauge 3;

[0031] The measuring rod of dial gauge 3 is perpendicular to the X direction and parallel to the rectangular plate B1.2;

[0032] The length direction of the angle steel 1 is parallel to the X direction;

[0033] The length of the linear guide rail 2 along the X direction is greater than the length of the support member along the X direction.

[0034] When the bearing surface of the support and the bottom end of the measuring head of the dial gauge 3 are located on the same cylindrical surface, the device for measuring the edge warping of the finished film is suitable for measuring the finished film wound on the cylindrical roller. Figure 4 As shown, first, the device for measuring the edge warping of the finished film is stably placed on the finished film 4 wound on the cylindrical roller, ensuring that the bottoms of the rectangular plates A1.1 and B1.2 are parallel to the finished film 4, and then the dial indicator 3 is slid along the linear guide rail 2 to the position where the finished film 4 has no warping. At this time, the rotation scale of the pointer on the dial of the dial indicator 3 is 0; when measuring the edge warping of the finished film, as shown in FIG. Figure 5As shown, the dial gauge 3 is slid along the linear guide rail 2 to the position where the film product 4 has a warped edge. When the measuring head of the dial gauge 3 contacts the warped edge of the film product 4, the measuring rod of the dial gauge 3 will stretch up and down due to the different degrees of warping of the warped edge. At the same time, the rotation scale of the pointer on the dial of the dial gauge 3 changes. The positive value is the warping value of the film product 4, and the negative value is the local depression value of the film product 4. During the whole measurement process, the relative position of the device for measuring the warping of the edge of the film product and the film product 4 is as shown in FIG. Figure 3 shown.

[0035] When it is necessary to measure the edge warping of a flat finished film, the load-bearing surface of the support and the bottom end of the measuring head of the dial gauge can be set on the same plane, and the rotation scale of the pointer on the dial of the dial gauge is set to 0. When measuring, first place the device for measuring the edge warping of the finished film on the flat finished film, ensure that the bottoms of the rectangular plates A and B are parallel to the finished film, and then slide the dial gauge along the linear slide rail. When the measuring head of the dial gauge contacts the warped edge of the finished film, the measuring rod of the dial gauge will stretch up and down due to the different degrees of warping of the warped edge. At the same time, the rotation scale of the pointer on the dial of the dial gauge changes. The positive value is the warping value of the finished film, and the negative value is the local depression value of the finished film.

Claims

1. A device for measuring the edge warping of a finished film, characterized in that: The dial gauge (3) comprises a support and a dial gauge (3), wherein the dial gauge (3) is slidably connected to the support, the sliding direction is parallel to the X direction, the measuring rod of the dial gauge (3) is perpendicular to the X direction, and the bottom end of the measuring head of the dial gauge (3) is not higher than the load-bearing surface of the support.

2. A device for measuring the warpage of the edge of a finished film according to claim 1, characterized in that: The load-bearing surface of the support member and the bottom end of the measuring head of the dial gauge (3) are located on the same plane, and the rotation scale of the pointer on the dial of the dial gauge (3) is 0.

3. The device for measuring the edge warping of a finished film according to claim 1, characterized in that: The load-bearing surface of the support member and the bottom end of the measuring head of the dial gauge (3) are located on the same cylindrical surface, and the rotation scale of the pointer on the dial of the dial gauge (3) is 0.

4. The device for measuring the edge warping of a finished film according to claim 1, characterized in that: The dial gauge (3) is slidably connected to the support member via a pair of mutually matching linear slide rails (2) and a slider; the linear slide rail (2) is parallel to the X direction and fixedly connected to the support member; and the slider is fixedly connected to the body of the dial gauge (3).

5. The device for measuring the edge warping of a finished film according to claim 4, characterized in that: The length of the linear slide rail (2) along the X direction is greater than the length of the support member along the X direction.

6. The device for measuring the edge warping of a finished film according to claim 4, characterized in that: The support member is an angle steel (1), which is composed of a rectangular plate A (1.1) and a rectangular plate B (1.2); the length direction of the angle steel (1) is parallel to the X direction, and the linear guide rail (2) is fixedly connected to the outer side surface of the rectangular plate B (1.2).

7. The device for measuring the edge warping of a finished film according to claim 6, characterized in that: The measuring rod of the dial indicator (3) is parallel to the rectangular plate B (1.2).

8. The device for measuring the edge warping of a finished film according to claim 6, characterized in that: The rectangular plate A (1.1) and the rectangular plate B (1.2) have the same size.

9. The device for measuring the edge warping of a finished film according to claim 6, characterized in that: The rectangular plate A (1.1) and the rectangular plate B (1.2) are perpendicular to each other.

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