A woven bag tensile strength testing device

Abstract

This utility model discloses a woven bag tensile testing device, including a machine base. A tensile testing component is installed on the machine base, comprising a column fixed to the machine base, a lifting seat slidably connected inside the column, a sliding plate extending outward from the column fixed on the lifting seat, a tensile sensor mounted on the lower side of the sliding plate, and a fixing plate fixed on the column. A clamping mechanism is mounted on the lower end of the tensile sensor and the upper side of the fixing plate, respectively. A laser is installed within the clamping mechanism. When clamping the material, the operator can determine whether there is a deviation in the clamping angle by observing the distance between the laser spot illuminating the back plate and the edge of the material, thus avoiding any impact on subsequent tensile testing. This utility model also includes a paper cutting groove on the machine base, facilitating the cutting of the woven bag into single-layer materials of suitable specifications for testing.

Description

Technical Field

[0001] This utility model relates to the field of tensile testing technology, and in particular to a tensile testing device for woven bags. Background Technology

[0002] After production, woven bags need to undergo quality inspection to test their load-bearing capacity, and tensile testing is a direct means of determining whether the above capacity meets the standards.

[0003] Currently, the tensile testing process for woven bags generally involves first cutting the woven bag, and then placing the cut material into a tensile testing machine for testing. However, as shown in the tensile testing equipment for woven bags disclosed in application number 201921085697.1, the current tensile testing device generally only uses two clamps to clamp and fix the material. During the clamping process, the material is prone to angular deviation, which leads to inaccurate test results. Therefore, it needs to be improved. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a woven bag tensile testing device to solve the problems mentioned in the background section.

[0005] This utility model provides the following technical solution: a woven bag tensile testing device, including a machine base, a tensile testing component is provided on the machine base, the tensile testing component includes a column fixed on the machine base, a lifting seat is slidably connected inside the column, a sliding plate extending outside the column is fixed on the lifting seat, and a lifting control mechanism for controlling the lifting seat to move up and down is also included. A tensile sensor is installed on the lower side of the sliding plate, a fixing plate is fixed on the column, and a clamping mechanism is respectively installed on the lower end of the tensile sensor and the upper side of the fixing plate.

[0006] The clamping mechanism includes a fixedly installed back plate, a front plate fixedly connected to the front side of the back plate via a slide rod, and a pressure plate slidably connected to the slide rod between the back plate and the front plate. A control shaft threaded to the pressure plate is rotatably connected inside the front plate.

[0007] Each of the front panels is equipped with two lasers distributed horizontally, and the lasers in the lasers can directly shine on the back panel corresponding to their vertical positions.

[0008] Preferably, the lifting control mechanism includes a threaded shaft rotatably connected to the column, the threaded shaft being threadedly connected to the lifting seat, and a reduction motor for driving the threaded shaft to rotate is also mounted on the column.

[0009] Preferably, the machine tool is also equipped with an industrial control display, which is electrically connected to the geared motor and the tension sensor.

[0010] Preferably, a camera is also mounted on the lower front panel, the camera facing rearwards towards the back panel, and the camera is electrically connected to the industrial control display.

[0011] Preferably, a turntable is rotatably connected inside the front panel, and the laser is fixed on the turntable.

[0012] Preferably, a lever is provided through the control shaft.

[0013] Preferably, the machine tool is also provided with a paper cutting groove, and the bottom surface of the paper cutting groove is provided with a hard alloy layer.

[0014] This utility model provides a woven bag tensile strength testing device, which has the following beneficial effects:

[0015] This invention incorporates a laser within the clamping mechanism. When clamping materials, the operator can determine whether there is a deviation in the clamping angle by observing the distance between the laser spot illuminating the back plate and the edge of the material, thus avoiding any impact on subsequent tensile testing.

[0016] This invention features a paper cutting groove on the machine, which allows workers to cut woven bags into single-layer materials of suitable specifications for testing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the appearance of this utility model;

[0018] Figure 2 This is the front view of this utility model;

[0019] Figure 3 yes Figure 1 Enlarged diagram of point A in the middle.

[0020] In the picture:

[0021] 11. Machine base; 12. Column; 13. Slide plate; 14. Tension sensor; 15. Fixing plate; 21. Back plate; 22. Front plate; 23. Pressure plate; 24. Control axis; 25. Laser; 26. Threaded shaft; 27. Gear motor; 28. Industrial control display; 29. ​​Camera; 30. Turntable; 31. Lever; 32. Paper cutting slot. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Reference Figures 1-3 According to an embodiment of the woven bag tensile testing equipment of the present invention, it includes a machine base 11, on which a tensile testing component is provided. The tensile testing component includes a column 12 fixed on the machine base 11, a lifting seat slidably connected inside the column 12, a sliding plate 13 extending out of the column 12 fixed on the lifting seat, and a lifting control mechanism for controlling the lifting seat to move up and down. A tensile sensor 14 is installed on the lower side of the sliding plate 13, and a fixing plate 15 is also fixed on the column 12. A clamping mechanism is installed on the lower end of the tensile sensor 14 and the upper side of the fixing plate 15 respectively.

[0027] In this embodiment, the clamping mechanism includes a fixedly installed back plate 21. A front plate 22 is fixedly connected to the front side of the back plate 21 via a slide rod. A pressure plate 23 is slidably connected to the slide rod between the back plate 21 and the front plate 22. A control shaft 24 threadedly connected to the pressure plate 23 is rotatably connected inside the front plate 22. To facilitate the rotation of the control shaft 24, a lever 31 is provided through the control shaft 24.

[0028] When clamping woven bag material cut into rectangles, the worker first places the material in the clamping mechanism located on the upper side, and then rotates the control shaft 24 through the lever 31 to make the pressure plate 23 press the material onto the back plate 21, thus completing the upper end clamping of the material. Similarly, the lower end of the material is clamped by the clamping mechanism located on the fixed plate 15. After that, the lifting control mechanism can drive the slide plate 13 and the upper clamping mechanism to rise and perform a tensile test on the material.

[0029] During the clamping process, in order to facilitate the angle correction of the rectangular material during clamping without skewing and thus avoid affecting the subsequent test structure, each front plate 22 is equipped with two lasers 25 distributed left and right. The laser in the laser 25 can directly shine on the back plate 21 corresponding to its upper and lower positions and generate light spots. When the material is clamped, the laser 25 located in the upper clamping mechanism can shine on the upper edge of the material, and the operator can judge whether there is a deviation in the clamping angle of the material by the distance between the two light spots and the upper edge of the material. Similarly, when clamping the lower edge of the material, the operator can judge whether the material is clamped and aligned by the position of the light spot in the clamping assembly located on the lower side.

[0030] The lifting control mechanism includes a threaded shaft 26 rotatably connected to the column 12, the threaded shaft 26 being threaded to the lifting seat, and a reduction motor 27 for driving the threaded shaft 26 to rotate is also mounted on the column 12. The column 12 also contains multiple longitudinal sliding rods that penetrate the lifting seat to ensure stable sliding of the lifting seat.

[0031] In addition, the machine tool 11 is also equipped with an industrial control display 28, which is electrically connected to the geared motor 27 and the tension sensor 14. That is, when the slide plate 13 rises and is pulled, the value of the tension sensor 14 will be recorded and displayed on the industrial control display 28. The operator can visually control the geared motor 27 through the industrial control display 28 and in conjunction with the control module in the machine tool 11. This is the prior art and will not be described in detail here.

[0032] In a second embodiment of the woven bag tensile testing device, to avoid the need for workers to bend over to observe the light spot and the lower edge of the material within the clamping mechanism located on the lower side, a camera 29 is also mounted on the front plate 22 located on the lower side. The camera 29 faces the back plate 21 from behind. The camera 29 is electrically connected to the industrial control display 28. The image captured by the camera 29 is displayed on the industrial control display 28, and the worker can observe the distance between the light spot and the lower edge of the material based on the image displayed on the industrial control display 28.

[0033] In a third embodiment of the woven bag tensile testing device, in order to improve the applicability of the woven bag tensile testing device and enable the laser 25 to be effective when performing tensile tests on materials of different widths, a turntable 30 is rotatably connected inside the front plate 22, and the laser 25 is fixed on the turntable 30. The operator can control the left and right position of the photoelectric effect generated by the laser 25 on the back plate 21 by moving the turntable 30 to adapt to materials of different widths.

[0034] In addition, to facilitate the cutting of the material to be tested from the woven bag by the staff, a paper cutting groove 32 is also provided in the machine 11. The bottom surface of the paper cutting groove 32 is provided with a hard alloy layer. The staff needs to use measuring tools and other devices in the paper cutting groove 32 to cut the woven bag. After cutting out the single layer of material of appropriate specifications from the woven bag, the tensile test is carried out.

[0035] It should be noted that there is a certain amount of friction between the turntable 30 and the front plate 22 to prevent the turntable 30 from rotating arbitrarily and to ensure that its angle can only be adjusted when it is manually turned by the staff.

[0036] In this embodiment, there is a boss in the back plate 21. The back plate 21 increases the connection area with the tension sensor 14 or the fixing plate 15 through the boss to ensure a stable connection. In addition, the lateral fold between the boss and the back plate can also be regarded as an anchor point, and cooperate with the light spot generated by the laser 25 to perform angle correction on the material.

[0037] The laser 25 is used only to generate a monochromatic beam with high collimation, and its power is controlled to Class 2 or below.

[0038] The above description is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A woven bag tensile testing apparatus comprising a table (11) characterised in that: The machine (11) is provided with a tensile testing assembly, which includes a column (12) fixed on the machine (11), a lifting seat that is slidably connected inside the column (12), a sliding plate (13) extending outside the column (12) fixed on the lifting seat, and a lifting control mechanism for controlling the lifting seat to lift. A tensile sensor (14) is installed on the lower side of the sliding plate (13), and a fixing plate (15) is also fixed on the column (12). A clamping mechanism is installed on the lower end of the tensile sensor (14) and the upper side of the fixing plate (15). The clamping mechanism includes a fixedly installed back plate (21), a front plate (22) is fixedly connected to the front side of the back plate (21) by a slide rod, and a pressure plate (23) is slidably connected on the slide rod between the back plate (21) and the front plate (22), and a control shaft (24) threaded to the pressure plate (23) is rotatably connected inside the front plate (22). Each of the front plates (22) is equipped with two lasers (25) distributed on the left and right sides, and the lasers in the lasers (25) can directly shine on the back plate (21) corresponding to their vertical positions.

2. A woven bag tensile testing apparatus according to claim 1, wherein: The lifting control mechanism includes a threaded shaft (26) rotatably connected to the column (12), the threaded shaft (26) being threadedly connected to the lifting seat, and a geared motor (27) for driving the threaded shaft (26) to rotate is also mounted on the column (12).

3. A woven bag tensile testing apparatus according to claim 2, wherein: The machine base (11) is also equipped with an industrial control display (28), which is electrically connected to the geared motor (27) and the tension sensor (14).

4. A woven bag tensile testing apparatus according to claim 3, wherein: A camera (29) is also mounted on the lower front panel (22), which faces the back panel (21) and is electrically connected to the industrial control display (28).

5. The woven bag tensile strength testing device according to claim 1, characterized in that: A turntable (30) is rotatably connected inside the front plate (22), and the laser (25) is fixed on the turntable (30).

6. A woven bag tensile testing apparatus according to claim 1, wherein: A lever (31) is provided through the control shaft (24).

7. A woven bag tensile testing apparatus according to claim 1, wherein: The machine base (11) is also provided with a paper cutting groove (32), and the bottom surface of the paper cutting groove (32) is provided with a hard alloy layer.

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