Degradable plastic film tensile strength detection structure

Abstract

The degradable plastic film tensile strength detection structure comprises a base, movable seats are slidably connected to the positions, close to the two sides, of the top of the base, supporting plates are fixedly connected to the tops of the movable seats, and bottom plates are fixedly connected to the positions, close to the bottoms, of the opposite sides of the two supporting plates; top plates are fixedly connected to the positions, close to the tops, of the opposite sides of the two supporting plates, a movable plate is arranged between the bottom plate and the top plates, an air cylinder is fixedly installed in the center of the bottom of the bottom plate, and a push rod is fixedly connected to the output end of the top of the air cylinder. According to the degradable plastic film tensile strength detection structure, through the synergistic effect of an air cylinder and a variable frequency motor, the plastic film is flexibly fixed, the air cylinder pushes a movable plate to ascend, so that the plastic film is in close contact with a placement roller, and the variable frequency motor accurately adjusts the position of an arc-shaped fixed pressing plate through a movable column and a rotating rod which are in threaded connection; and the plastic film is firmly fixed.

Description

Technical Field

[0001] The invention relates to the technical field of detection equipment, in particular to a tensile strength detection structure for a degradable plastic film. Background Art

[0002] In the production and application of degradable plastic films, tensile strength is a crucial performance indicator, which is directly related to the durability, reliability and service life of the film.

[0003] Traditional detection devices often use a simple clamping mechanism to fix the plastic film to be tested. This fixing method is not only cumbersome to operate, but also difficult to accurately adjust according to the different thicknesses and sizes of the film. The design of the fixing mechanism lacks flexibility and cannot adapt to plastic films of different specifications and materials, resulting in the test results may not be accurate enough. Existing detection devices often have limitations in height adjustment and cannot easily adjust the height of the film to be tested according to actual needs. The complexity and instability of the height adjustment mechanism may lead to errors during operation and affect the accuracy of the test results. Summary of the invention

[0004] The purpose of the present invention is to provide a tensile strength detection structure for degradable plastic films to solve the problem mentioned in the above background technology that traditional detection devices often use a simple clamping mechanism to fix the plastic film to be detected. This fixing method is not only cumbersome to operate, but also difficult to accurately adjust according to the different thicknesses and sizes of the film. The design of the fixing mechanism lacks flexibility and cannot adapt to plastic films of different specifications and materials, resulting in the test results may not be accurate enough. Existing detection devices often have limitations in height adjustment and cannot easily adjust the height of the film to be detected according to actual needs. The complexity and instability of the height adjustment mechanism may lead to errors in the operation process, affecting the accuracy of the test results.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a degradable plastic film tensile strength detection structure, comprising a base, wherein the top of the base is slidably connected to a movable seat at both sides, the top of the movable seat is fixedly connected to a support plate, the bottom positions on the opposite sides of the two support plates are fixedly connected to a bottom plate, the top positions on the opposite sides of the two support plates are fixedly connected to a top plate, a movable plate is arranged between the bottom plate and the top plate, a cylinder is fixedly installed at the center of the bottom of the bottom plate, a push rod is fixedly connected to the output end of the top of the cylinder, the top of the push rod passes through the outside of the bottom plate and is fixedly connected to the bottom of the movable plate, and the bottom position of the movable plate A groove is opened, and a placement roller is fixedly installed at the bottom position of the groove, an arc-shaped fixed pressure plate is arranged inside the groove corresponding to the top of the placement roller, the top of the movable plate passes through the outside of the top plate and is fixedly connected with an extension plate, a movable groove is opened inside the movable plate corresponding to the center of the top of the groove, a movable column is arranged inside the movable groove, the bottom of the movable column passes through the inside of the groove and is fixedly connected to the top of the arc-shaped fixed pressure plate, a variable frequency motor is fixedly installed at the center of the top of the extension plate, a rotating rod is fixedly connected to the output end of the bottom of the variable frequency motor, and the bottom of the rotating rod passes through the inside of the movable groove and is rotatably connected to the top of the movable groove.

[0006] Preferably, the movable plate is provided with sliding grooves on both sides corresponding to the movable groove, the tops of both sides of the movable column are fixedly connected with sliders, and the side of the slider away from the movable column penetrates into the interior of the sliding groove and is slidably connected to the sliding groove.

[0007] Preferably, both sides of the movable plate are fixedly connected to limit rods near the top, the top of the limit rods penetrates to the outside of the top plate and is fixedly connected to the bottom of the extension plate, and the top of the extension plate is fixedly connected to the limit plate corresponding to the outside of the variable frequency motor.

[0008] Preferably, the top of the base is fixedly connected to a top seat, the front and rear ends of the top seat on both sides are fixedly connected to support rods, the front and rear sides of the top of the support plate are fixedly connected to sliding sleeves, and the sliding sleeves are sleeved and slidably connected to the support rods.

[0009] Preferably, a slot hole is provided at a center position of the support plate, and auxiliary rollers are fixedly connected below the slot holes at opposite ends of the two support plates.

[0010] Preferably, a center seat is fixedly connected to the center of the top of the base, support grooves are opened on both sides of the center seat, and the opposite sides of the two bottom plates arranged on the left and right respectively penetrate into the interior of the two support grooves and are slidably connected to the support grooves, and a drive motor is fixedly installed at the center of one side of the base.

[0011] Preferably, an internal thread is provided at the center of the top of the movable column, an external thread is provided at the bottom of the surface of the rotating rod, the bottom end of the rotating rod penetrates into the interior of the internal thread, and the external thread is threadably connected to the internal thread.

[0012] A method for using a degradable plastic film tensile strength detection structure comprises the following steps:

[0013] Step 1: First, the plastic film passes through the slots and grooves to ensure that it is in the correct position. The cylinder is started, the push rod rises, driving the movable plate and the placement roller and the arc-shaped fixed pressure plate on it to rise, so that the bottom of the plastic film is in close contact with the placement roller. The frequency conversion motor is started, and the rotating rod rotates. Due to the threaded connection between the external thread and the internal thread, the movable column drives the arc-shaped fixed pressure plate to descend, fixing the plastic film on the surface of the placement roller.

[0014] Step 2: Start the driving motor set on one side of the base so that the two support plates apply tension in opposite directions. Under the action of the tension, the plastic film is stretched, and its tensile strength data is recorded by observation or measuring devices. During the detection process, the cylinder and the variable frequency motor can adjust the height and fixing state of the plastic film as needed to ensure the accuracy of the detection.

[0015] Step three, stop the tensile testing machine, record and save the tensile strength data, turn off the cylinder and the variable frequency motor, restore the device to the initial state, take out the tested plastic film, and carry out subsequent processing or analysis.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The degradable plastic film tensile strength detection structure realizes flexible fixation of the plastic film through the synergistic effect of the cylinder and the variable frequency motor. The cylinder pushes the movable plate up to make the plastic film closely contact the placement roller, and the variable frequency motor accurately adjusts the position of the arc-shaped fixed pressure plate through the threaded movable column and the rotating rod to achieve firm fixation of the plastic film. This fixing method is not only simple to operate, but also can be accurately adjusted according to plastic films of different thicknesses and sizes, greatly improving the accuracy and flexibility of the detection. The height adjustment of the movable plate and its upper parts is realized by the push rod of the cylinder. This adjustment method is stable and convenient, and the precise control of the cylinder The stability of the movable plate during the lifting process can be ensured, and errors in the height adjustment process can be avoided. At the same time, the adjustment range of the cylinder is wide, and it can easily adapt to the detection needs of different heights, greatly improving the detection efficiency and accuracy. The flexible fixing mechanism and stable height adjustment function are adopted, so that the detection structure can be suitable for plastic films of different specifications and materials. Regardless of the thickness, width or material of the film, the present invention can adapt by adjusting the relevant components, thereby ensuring the accuracy and reliability of the detection results. This wide applicability makes the present invention have broad application prospects in the production and quality control of degradable plastic films. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 For the present invention Figure 1 A is a partial enlarged schematic diagram;

[0020] Figure 3 It is a structural stereogram of the base of the present invention;

[0021] Figure 4 It is a structural stereogram of the movable plate of the present invention;

[0022] Figure 5 It is a structural stereogram of the top seat of the present invention.

[0023] In the figure: 1. base; 2. movable seat; 3. support plate; 4. top seat; 5. bottom plate; 6. cylinder; 7. push rod; 8. movable plate; 9. center seat; 10. support groove; 11. top plate; 12. groove; 13. placement roller; 14. movable groove; 15. slide groove; 16. movable column; 17. arc-shaped fixed pressure plate; 18. slider; 19. internal thread; 20. extension plate; 21. frequency conversion motor; 22. rotating rod; 23. external thread; 24. limit rod; 25. limit plate; 26. slot; 27. auxiliary roller; 28. sliding sleeve; 29. ​​support rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-5 The present invention provides a technical solution: a degradable plastic film tensile strength detection structure, comprising a base 1, a movable seat 2 is slidably connected to the two sides of the top of the base 1, a support plate 3 is fixedly connected to the top of the movable seat 2, a bottom plate 5 is fixedly connected to the bottom of the two opposite sides of the two support plates 3, a top plate 11 is fixedly connected to the top of the two opposite sides of the two support plates 3, a movable plate 8 is arranged between the bottom plate 5 and the top plate 11, a cylinder 6 is fixedly installed at the center of the bottom of the bottom plate 5, a push rod 7 is fixedly connected to the output end of the top of the cylinder 6, the top of the push rod 7 penetrates to the outside of the bottom plate 5 and is fixedly connected to the bottom of the movable plate 8, a groove 12 is opened at the bottom of the movable plate 8, and the groove 12 is provided inside A placement roller 13 is fixedly installed at the bottom position, an arc-shaped fixed pressure plate 17 is arranged inside the groove 12 corresponding to the top of the placement roller 13, the top of the movable plate 8 passes through the outside of the top plate 11 and is fixedly connected with an extension plate 20, a movable groove 14 is opened at the center of the top of the movable plate 8 corresponding to the top of the groove 12, a movable column 16 is arranged inside the movable groove 14, the bottom of the movable column 16 passes through the inside of the groove 12 and is fixedly connected to the top of the arc-shaped fixed pressure plate 17, a variable frequency motor 21 is fixedly installed at the center of the top of the extension plate 20, a rotating rod 22 is fixedly connected to the output end of the bottom of the variable frequency motor 21, the bottom of the rotating rod 22 passes through the inside of the movable groove 14 and is rotatably connected to the top of the movable groove 14.

[0026] Slide grooves 15 are provided on both sides of the movable plate 8 corresponding to the movable groove 14 , and sliders 18 are fixedly connected to the tops of both sides of the movable column 16 . The side of the slider 18 away from the movable column 16 penetrates into the inside of the slide groove 15 and is slidably connected to the slide groove 15 .

[0027] The top positions on both sides of the movable plate 8 are fixedly connected to the limit rods 24, the top of the limit rods 24 penetrates to the outside of the top plate 11 and is fixedly connected to the bottom of the extension plate 20, and the top of the extension plate 20 is fixedly connected to the outside of the variable frequency motor 21 with the limit plate 25.

[0028] The top of the base 1 is fixedly connected to a top seat 4, and the front and rear ends of the top seat 4 on both sides are fixedly connected to support rods 29. The front and rear sides of the top of the support plate 3 are fixedly connected to sliding sleeves 28, which are sleeved and slidably connected to the support rods 29.

[0029] A slot hole 26 is provided near the center of the support plate 3 , and auxiliary rollers 27 are fixedly connected below the slot holes 26 at opposite ends of the two support plates 3 .

[0030] A center seat 9 is fixedly connected to the center of the top of the base 1, and support grooves 10 are opened on both sides of the center seat 9. The opposite sides of the two bottom plates 5 arranged on the left and right respectively penetrate into the interior of the two support grooves 10 and are slidably connected to the support grooves 10. A driving motor is fixedly installed at the center of one side of the base 1.

[0031] An internal thread 19 is provided at the center of the top of the movable column 16 , an external thread 23 is provided at the bottom of the surface of the rotating rod 22 , the bottom end of the rotating rod 22 penetrates into the interior of the internal thread 19 , and the external thread 23 is threadedly connected with the internal thread 19 .

[0032] A method for using a degradable plastic film tensile strength detection structure comprises the following steps:

[0033] Step 1, first, the plastic film passes through the slot 26 and the groove 12 to ensure that it is in the correct position, the cylinder 6 is started, the push rod 7 rises, driving the movable plate 8 and the placement roller 13 and the arc-shaped fixed pressure plate 17 thereon to rise, so that the bottom of the plastic film is in close contact with the placement roller 13, the frequency conversion motor 21 is started, and the rotating rod 22 rotates. Due to the threaded connection between the external thread 23 and the internal thread 19, the movable column 16 drives the arc-shaped fixed pressure plate 17 to descend, fixing the plastic film on the surface of the placement roller 13.

[0034] Step 2: Start the driving motor set on one side of the base 1, so that the two support plates 3 apply tension in opposite directions. Under the action of the tension, the plastic film is stretched, and its tensile strength data is recorded by observation or measuring devices. During the detection process, the cylinder 6 and the variable frequency motor 21 can adjust the height and fixing state of the plastic film as needed to ensure the accuracy of the detection.

[0035] Step three, stop the tensile testing machine, record and save the tensile strength data, turn off the cylinder 6 and the variable frequency motor 21, restore the device to the initial state, take out the tested plastic film, and perform subsequent processing or analysis.

[0036] In summary: the tensile strength detection structure of the degradable plastic film realizes flexible fixation of the plastic film through the synergistic effect of the cylinder 6 and the variable frequency motor 21. The cylinder 6 pushes the movable plate 8 up to make the plastic film closely contact the placement roller 13, and the variable frequency motor 21 accurately adjusts the position of the arc-shaped fixed pressure plate 17 through the threaded movable column 16 and the rotating rod 22 to achieve firm fixation of the plastic film. This fixing method is not only simple to operate, but also can be accurately adjusted according to plastic films of different thicknesses and sizes, greatly improving the accuracy and flexibility of the detection. The height adjustment of the movable plate 8 and its upper components is realized by the push rod 7 of the cylinder 6. This adjustment method is stable and Convenient, precise control of the cylinder 6 can ensure the stability of the movable plate 8 during the lifting process, avoiding errors in the height adjustment process, and at the same time, the adjustment range of the cylinder 6 is wide, which can easily adapt to the detection needs of different heights, greatly improving the detection efficiency and accuracy, and adopting a flexible fixing mechanism and a stable height adjustment function, so that the detection structure can be suitable for plastic films of different specifications and materials, no matter the thickness, width or material of the film, the present invention can adapt by adjusting the relevant components, thereby ensuring the accuracy and reliability of the detection results, this wide applicability makes the present invention have broad application prospects in the production and quality control of degradable plastic films.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A structure for detecting tensile strength of a degradable plastic film, comprising a base (1), characterized in that: The top of the base (1) is slidably connected to a movable seat (2) at both sides, the top of the movable seat (2) is fixedly connected to a support plate (3), the bottom positions on the opposite sides of the two support plates (3) are fixedly connected to a bottom plate (5), the top positions on the opposite sides of the two support plates (3) are fixedly connected to a top plate (11), a movable plate (8) is arranged between the bottom plate (5) and the top plate (11), a cylinder (6) is fixedly installed at the center of the bottom of the bottom plate (5), a push rod (7) is fixedly connected to the output end of the top of the cylinder (6), the top of the push rod (7) passes through the outside of the bottom plate (5) and is fixedly connected to the bottom of the movable plate (8), a groove (12) is provided at the bottom of the movable plate (8), and a placement roller (13) is fixedly installed at the bottom of the groove (12). An arc-shaped fixed pressure plate (17) is arranged inside the groove (12) corresponding to the top of the roller (13); the top of the movable plate (8) penetrates to the outside of the top plate (11) and is fixedly connected to an extension plate (20); a movable groove (14) is opened inside the movable plate (8) corresponding to the center of the top of the groove (12); a movable column (16) is arranged inside the movable groove (14); the bottom of the movable column (16) penetrates into the inside of the groove (12) and is fixedly connected to the top of the arc-shaped fixed pressure plate (17); a variable frequency motor (21) is fixedly installed at the center of the top of the extension plate (20); the output end of the bottom of the variable frequency motor (21) is fixedly connected to a rotating rod (22); the bottom of the rotating rod (22) penetrates into the inside of the movable groove (14) and is rotatably connected to the top of the movable groove (14).

2. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: Slide grooves (15) are provided on both sides of the movable groove (14) corresponding to the inside of the movable plate (8), and sliding blocks (18) are fixedly connected to the tops of both sides of the movable column (16), and the side of the sliding block (18) away from the movable column (16) penetrates into the inside of the slide groove (15) and is slidably connected to the slide groove (15).

3. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: Limiting rods (24) are fixedly connected to the top positions on both sides of the movable plate (8); the top of the limiting rod (24) passes through the outside of the top plate (11) and is fixedly connected to the bottom of the extension plate (20); the top of the extension plate (20) is fixedly connected to the outside of the variable frequency motor (21) with a limiting plate (25).

4. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a top seat (4), the front and rear ends of the top seat (4) on both sides are fixedly connected to support rods (29), the front and rear sides of the top of the support plate (3) are fixedly connected to sliding sleeves (28), and the sliding sleeves (28) are sleeved and slidably connected to the support rods (29).

5. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: A slot hole (26) is provided at a central position of the support plate (3), and auxiliary rollers (27) are fixedly connected below the slot holes (26) at opposite ends of the two support plates (3).

6. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: A center seat (9) is fixedly connected to the center of the top of the base (1), and support grooves (10) are provided on both sides of the center seat (9). The opposite sides of the two bottom plates (5) arranged on the left and right respectively penetrate into the inside of the two support grooves (10) and are slidably connected to the support grooves (10), and a driving motor is fixedly installed at the center of one side of the base (1).

7. A degradable plastic film tensile strength detection structure according to claim 1, characterized in that: An internal thread (19) is provided at the center of the top of the movable column (16), an external thread (23) is provided at the bottom of the surface of the rotating rod (22), the bottom end of the rotating rod (22) penetrates into the interior of the internal thread (19), and the external thread (23) is threadedly connected to the internal thread (19).

8. A method for using a degradable plastic film tensile strength detection structure according to any one of claims 1 to 7, characterized in that: The steps include: Step 1, first, the plastic film passes through the slot (26) and the groove (12) to ensure that it is in the correct position, the cylinder (6) is started, the push rod (7) rises, driving the movable plate (8) and the placement roller (13) and the arc-shaped fixed pressure plate (17) thereon to rise, so that the bottom of the plastic film is in close contact with the placement roller (13), the frequency conversion motor (21) is started, the rotating rod (22) rotates, and due to the threaded connection between the external thread (23) and the internal thread (19), the movable column (16) drives the arc-shaped fixed pressure plate (17) to descend, and the plastic film is fixed on the surface of the placement roller (13); Step 2: Start the driving motor provided on one side of the base (1) so that the two support plates (3) apply tension in opposite directions. Under the action of the tension, the plastic film is stretched, and its tensile strength data is recorded by an observation or measuring device. During the detection process, the cylinder (6) and the variable frequency motor (21) can adjust the height and fixing state of the plastic film as needed to ensure the accuracy of the detection; Step three, stop the tensile testing machine, record and save the tensile strength data, turn off the cylinder (6) and the variable frequency motor (21), restore the device to the initial state, take out the tested plastic film, and carry out subsequent processing or analysis.

Images