Folding testing machine suitable for flexible materials with different sizes, thicknesses and structures

Abstract

The invention discloses a folding testing machine suitable for flexible materials with different sizes, thicknesses and structures, and belongs to the technical field of flexible materials. The fixing system and the moving system are oppositely arranged and are used for mounting two ends of a flexible material, the moving system is mounted on the translation sliding table, the translation sliding table is controlled by the control system to reciprocate so as to automatically and repeatedly fold a flexible material test piece, and the creasing tool is mounted on the fixing system and can enable the flexible material to generate a crease. The folding machine solves the problem that most folding machines on the market aim at materials with high rigidity, and the folding machine mainly aims at flexible materials with poor rigidity and achieves the functions of low cost, long service life, long-term continuous work and high-precision control folding. The device is an experimental device capable of repeatedly and automatically folding the flexible material, folding parameters can be self-defined, and the folding damage condition of the flexible material test piece can be simulated, so that the mechanical property of the folding damaged test piece can be researched.

Description

Technical Field

[0001] The invention belongs to the technical field of flexible materials, and in particular relates to a folding testing machine suitable for flexible materials of different sizes, thicknesses and structures. Background Art

[0002] The folding resistance of flexible materials is an important indicator for judging their performance, and is of great significance for evaluating the flexibility, durability and product quality of materials. The folding resistance of flexible materials is one of the key characteristics to ensure that the product remains in good condition during actual use.

[0003] At present, in the flexible material industry, mechanical property testing of materials is one of the most important links. For example, in order to ensure the reliability and durability of products in actual use, these materials must be subjected to a series of rigorous physical tests. Among them, the folding endurance tester is an instrument specially used to measure the ability of materials such as paper, copper-clad laminates, and circuit boards to resist repeated bending. However, most of the existing folding endurance testers are mainly aimed at relatively rigid materials, which is not completely applicable to flexible materials such as fabrics or plastic films.

[0004] Although some existing folding test equipment can achieve automated operation to a certain extent, they are usually limited to specific types of samples and lack sufficient flexibility to adapt to samples of different thicknesses, widths, and material properties. More importantly, many traditional machines cannot accurately control the angle and strength of each fold, which directly affects the consistency and accuracy of the test data. In addition, due to the lack of consideration of long-term continuous working stability, some equipment may experience reduced accuracy or even failure after multiple cycles. Summary of the invention

[0005] In order to solve the problem that most folding machines on the market cannot adapt to the testing of materials with different thicknesses, different sizes, and different material properties, the present invention provides a folding test machine suitable for materials with different sizes, thicknesses, and structural flexibility.

[0006] The technical solution adopted by the present invention is:

[0007] A folding tester suitable for flexible materials of different sizes, thicknesses and structures, comprising a fixing system, a crease tool, a motion system, a translation slide and a control system; the fixing system and the motion system are arranged relatively to each other and are used to install two ends of the flexible material, the motion system is installed on the translation slide, and the translation slide is controlled by the control system to perform reciprocating motion, thereby automatically and repeatedly folding the flexible material specimen, and the crease tool is installed on the fixing system to cause creases to be generated in the flexible material.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] The present invention solves the problem that most folding machines on the market have with materials with strong rigidity. This invention mainly targets flexible materials with poor rigidity, achieving the functions of low cost, long service life, long-term continuous operation, and high-precision control of folding.

[0010] The present invention is an experimental device capable of repeatedly and automatically folding a flexible material, capable of customizing folding parameters, and simulating the folding damage of a flexible material specimen, so as to study the mechanical properties of the folded damaged specimen.

[0011] The present invention uses a control system to automatically and accurately control the displacement and speed of the testing machine, thereby realizing accurate control of the folding angle and folding speed of the test piece; the present invention can accurately control the pressing force, the tensioning force, and the unfolding angle of the test piece during folding; the present invention can perform continuous multiple cycles of folding for a long time while maintaining accuracy.

[0012] The invention can adapt to fabrics and flexible material products of different sizes, thicknesses, layers and structures, can quickly replace test pieces, and has low requirements on the shape and size of the test pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention;

[0014] Figure 2 It is a structural diagram of the fixing system of the present invention;

[0015] Figure 3 is a schematic diagram of a crease tool of the present invention;

[0016] Figure 4 It is a schematic diagram of the installation of the crease tool of the present invention;

[0017] Figure 5 It is a structural diagram of the motion system of the present invention;

[0018] Figure 6 It is a structural diagram of the translation slide table of the present invention;

[0019] Figure 7 It is a flow chart of the slider movement process of the present invention;

[0020] Among them: 1. Fixing system; 1-1. Fixed baffle; 1-2. Fixed cover; 1-3. Clip one; 1-4. Transition plate; 1-5. Fixed plate; 2. Crease tool; 2-1. Crease plate one; 2-2. Crease plate two; 2-3. Crease plate three; 2-4. Crease plate four; 2-5. Crease plate five; 2-6. Crease plate six; 2-7. Full crease plate; 3. Motion system; 3-1. Clip two; 3-2. Motion plate; 3-3. Motion baffle; 3-4. Motion cover; 4. Translation slide; 4-1. Ball screw; 4-2. Slider; 4-3. Linear guide; 4-4. Drive motor; 4-5. Base. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1 As shown, a folding tester suitable for flexible materials of different sizes, thicknesses and structures includes a fixing system 1, a crease tool 2, a motion system 3, a translation slide 4 and a control system; the fixing system 1 and the motion system 3 are arranged relatively to each other and are used to install the two ends of the flexible material, the motion system 3 is installed on the translation slide 4, and the translation slide 4 is controlled by the control system to perform reciprocating motion, thereby automatically and repeatedly folding the flexible material specimen, and the crease tool 2 is installed on the fixing system 1, which can cause creases to be generated in the flexible material.

[0023] like Figure 1 As shown, the fixing system 1 includes a fixed baffle 1-1, a fixed cover plate 1-2, a clamping piece 1-3, a transition piece 1-4 and a fixing plate 1-5; the lower end of the fixed baffle 1-1 is installed on the base 4-5 of the translation slide 4, the upper end of the fixed baffle 1-1 is connected to the fixed cover plate 1-2 and together fixes the fixing plate 1-5 vertically at a specified position, the fixing plate 1-5 is used to fix the flexible material specimen and the crease tool 2, and its position remains unchanged; the clamping piece 1-3 is used to clamp and fix the flexible material specimen and the fixing plate 1-5 together, and plays a role in constraining the position of the flexible material specimen; the transition piece 1-4 is connected to the fixing plate 1-5 and placed under the flexible material specimen, the chamfered parts of the transition piece 1-4 and the clamping piece 1-3 are used to protect the flexible material from being damaged during the folding process, and the fixing system 1 is combined with the crease tool 2 to control the parameters of the crease generated on the surface of the flexible material.

[0024] like Figure 3 , Figure 4 As shown, the crease tool 2 includes a full crease plate 2-7 and crease plate one 2-1, crease plate two 2-2, crease plate three 2-3, crease plate four 2-4, crease plate five 2-5, and crease plate six 2-6 with different widths.

[0025] Crease plate 1 2-1, crease plate 2-2, crease plate 3 2-3, crease plate 4 2-4, crease plate 5 2-5, and crease plate 6 2-6 are crease tools 2 with a thickness of 5 mm and widths of 5 mm, 10 mm, 15 mm, 20 mm, 30 mm, and 40 mm, respectively. By replacing crease tools 2 of different widths on the fixed plate 1-5, the length of the crease produced on the surface of the flexible material can be changed.

[0026] The full crease tool 2-7 has a thickness of 5 mm and can produce a crease of the same width as the crease on the surface of the flexible material specimen after being connected to the fixing plate 1-5.

[0027] like Figure 5 As shown, the motion system includes a clamp 3-1, a motion plate 3-2, a motion baffle 3-3 and a motion cover 3-4; the lower end of the motion baffle 3-3 is connected to the slider 4-2 of the translation slide 2, and plays the role of fixing the motion plate 3-2 and the slider 4-2 of the translation slide 2 together, ensuring that the motion plate 3-2 can move together with the translation slide 2; the upper end of the motion baffle 3-3 is connected to the motion cover 3-4, and together with the motion cover 3-4, fixes the vertical motion plate 3-2, so that the motion plate 3-2 is always in a vertical state, and the motion plate 3-2 is used to drive the flexible material specimen to move, and the folding and unfolding of the flexible material specimen are completed by extrusion and stretching, and its position moves with the slider 4-2; the clamp 3-1 is used to clamp and fix the flexible material specimen and the fixed plate 3-2 together.

[0028] like Figure 6 As shown, the translation slide 4 includes a ball screw 4-1, a slider 4-2, a linear guide 4-3, a drive motor 4-4 and a base 4-5; the ball screw 4-1 is installed on the base 4-5 and connected to the drive motor 4-4, the linear guide 4-2 is installed on the base 4-5 on both sides of the ball screw 4-1, the slider 4-2 is threadedly connected to the ball screw 4-1, and the slider 4-2 is slidably connected to the linear guide 4-3.

[0029] The control system controls the slider 4-2 to move along the linear guide rail 4-3, thereby driving the moving plate to move, thereby achieving the effect of stretching and folding the flexible material.

[0030] The control system includes

[0031] Power supply, connect both the driver and the controller,

[0032] The driver is connected to the controller and the driving motor 4-4 respectively through the parallel socket, wherein the control signal interface on the driver is connected to the controller, and the motor interface is connected to the driving motor 4-4.

[0033] The controller is equipped with a network port, which is connected to the application on the computer through a switch using a network cable, so that the application controls the controller, the controller outputs a signal to the driver, the driver outputs a signal to the drive motor 4-4, the drive motor 4-4 starts to work, the ball screw 4-1 rotates, the moving plate 3-2 moves forward and backward along the linear guide 4-3, and finally the material folding process is realized.

[0034] The control system is used to control the slider 4-2 of the translation slide 2 to move along the linear guide rail 4-2, and the functions that can be realized include self-checking function, positioning function and reciprocating motion function.

[0035] The self-checking function allows the slider 4-2 to move from one end limit of the ball screw 4-1 to the other end limit, limiting the path and range that the slider 4-2 can move;

[0036] The setting function is to input the hexadecimal value of the position in the application interface to make the slider 4-2 move to and stop at the specified position;

[0037] The reciprocating motion function requires inputting the minimum position and maximum position values ​​and the number of movements of the slider 4-2 each time in the application interface, and the slider 4-2 will reciprocate as required and stop when the specified number of times is reached.

[0038] The flow chart of the movement process of the slider 4-2 is shown in Figure 7. First, the starting and ending positions of the reciprocating motion of the slider 4-2 and the number of reciprocating motions are set. The controller 5-3 determines whether the slider 4-2 has moved once. If so, the count is +1. If not, the experiment is stopped immediately. When the count increases to the set value, the experiment stops.

[0039] Experimental process:

[0040] The first step: assemble all structures, put them aside, and fix the motion system 3 and the slider 4 - 2 of the translation slide 4 .

[0041] Step 2: Turn on the control system power, connect the control system to the computer operating the application and enable the control system self-check function, and stop the slider 4-2 in the middle of the stroke.

[0042] Step 3: Select a suitable crease tool 2 according to the crease length of the folded flexible material, and fix the selected crease tool 2 on the fixing plate 1-5 with screws, and fix the fixing system 1 and the base 4-5 of the translation slide 4 with screws;

[0043] Step 4: Prepare a test piece according to the fold angle to be folded on the surface of the flexible material, and clamp and fix the two ends of the test piece on the moving plate 3-2 and the fixed plate 1-5 using the clamping piece 1 1-3 and the clamping piece 2 3-1 respectively.

[0044] Step 5: Check whether all parts are firmly installed. After checking, enter the starting and ending positions and movement times of the reciprocating motion in the application program and fold the test piece repeatedly.

[0045] Step 6: When the number of folding times reaches the set number of movements or the movement cannot be carried out normally due to other reasons, the control system will automatically stop the experiment. If the experiment needs to be stopped in time due to subjective reasons, press the "Stop" button in the application.

[0046] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A folding test machine suitable for flexible materials of different sizes, thicknesses and structures, characterized by: The invention comprises a fixing system (1), a crease tool (2), a motion system (3), a translation slide (4), and a control system; the fixing system (1) and the motion system (3) are arranged relative to each other and are used to install two ends of a flexible material; the motion system (3) is installed on the translation slide (4), and the translation slide (4) is controlled by the control system to perform reciprocating motion, thereby automatically and repeatedly folding the flexible material specimen; the crease tool (2) is installed on the fixing system (1) and can cause creases to be generated on the flexible material.

2. A folding test machine suitable for flexible materials of different sizes, thicknesses and structures according to claim 1, characterized in that: The fixing system (1) comprises a fixing baffle (1-1), a fixing cover plate (1-2), a clamping piece (1-3), a transition piece (1-4) and a fixing plate (1-5); the lower end of the fixing baffle (1-1) is mounted on a base (4-5) of a translation slide (4); the upper end of the fixing baffle (1-1) is connected to the fixing cover plate (1-2) and together fixes the fixing plate (1-5) vertically; the fixing plate (1-5) is used to fix a flexible material specimen and a crease tool (2); the clamping piece (1-3) is used to clamp and fix the flexible material specimen and the fixing plate (1-5) together; the transition piece (1-4) is connected to the fixing plate (1-5) and placed below the flexible material specimen; the fixing system (1) and the crease tool (2) are used to control the parameters of generating creases on the surface of the flexible material.

3. A folding test machine suitable for flexible materials of different sizes, thicknesses and structures according to claim 2, characterized in that: The edges of the transition piece (1-4) and the first clamping piece (1-3) are both chamfered.

4. A folding test machine suitable for materials of different sizes, thicknesses and structural flexibility according to claim 1, characterized in that: The crease tool (2) comprises a full crease plate (2-7) and crease plates 1 (2-1), 2 (2-2), 3 (2-3), 4 (2-4), 5 (2-5) and 6 (2-6) of different widths.

5. The folding test machine suitable for materials of different sizes, thicknesses and structures according to claim 1, characterized in that: The motion system comprises a second clamping piece (3-1), a motion plate (3-2), a motion baffle (3-3) and a motion cover plate (3-4); the lower end of the motion baffle (3-3) is connected to a slider (4-2) of a translation slide (2); the upper end of the motion baffle (3-3) is connected to a motion cover plate (3-4), and together with the motion cover plate (3-4) fixes a vertical motion plate (3-2), and the motion plate 3-2 is used to drive the flexible material specimen to move; the second clamping piece (3-1) is used to clamp and fix the flexible material specimen and the fixed plate (3-2) together.

6. A folding test machine suitable for flexible materials of different sizes, thicknesses and structures according to claim 1, characterized in that: The translation slide (4) comprises a ball screw (4-1), a slider (4-2), a linear guide (4-3), a drive motor (4-4) and a base (4-5); the ball screw (4-1) is mounted on the base (4-5) and connected to the drive motor (4-4); the linear guide (4-2) is mounted on the base (4-5) on both sides of the ball screw (4-1); the slider (4-2) is threadedly connected to the ball screw (4-1); and the slider (4-2) is slidably connected to the linear guide (4-3).

7. The folding test machine suitable for materials of different sizes, thicknesses and structures according to claim 1, characterized in that: The control system includes Power supply, connect both the driver and the controller, The driver is connected to the controller and the drive motor (4-4) through the parallel socket. The controller is equipped with a network port, which is connected to the application on the computer through a switch using a network cable, so that the application controls the controller, the controller outputs a signal to the driver, and the driver outputs a signal to the drive motor (4-4).

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