Tensile detection device for polymeric membrane processing

Abstract

The utility model discloses a tensile detection device for processing a polymeric membrane, relates to the technical field of tensile detection devices, and aims to solve the problems that an existing tensile detection device pulls the polymeric membrane to perform tensile detection through an arranged stretching mechanism, but the stretching mechanism lacks an effective positioning mechanism after stretching, so that the tensile detection efficiency is low. The device comprises a carrying table seat, a movable platform and a fixed platform are arranged at the upper end of the carrying table seat, the fixed platform and the carrying table seat are of an integrated structure, and a power box is arranged on the outer wall of one side of the carrying table seat; a movable frame and a base frame are welded to the upper end of the movable platform and the upper end of the fixed platform respectively, and the movable frame and the base frame are integrated with the movable platform and the fixed platform respectively. The inner sliding groove is formed in the movable platform, a threaded lead screw is arranged in the inner sliding groove, a lead screw sliding block is movably arranged on the threaded lead screw, and the lead screw sliding block and the movable frame are of an integrated structure.

Description

Technical Field

[0001] The utility model relates to the technical field of tensile testing devices, in particular to a tensile testing device used for polymer film processing. Background Art

[0002] Polymer film is a thin film made of organic polymer. After processing, the finished polymer film needs to be tested for tensile strength with the help of a tensile testing device.

[0003] For example, the announcement number is: CN217211929U (named as a polymer film stretching detection device), including: a stretching detection device body, the stretching detection device body includes a base, two columns and a stretching frame, the stretching frame is provided with a strip-shaped through groove, and the inner walls on both sides of the strip-shaped through groove are provided with guide grooves; a one-way threaded rod, the one-way threaded rod is rotatably installed in the strip-shaped through groove, and the top of the one-way threaded rod extends out of the strip-shaped through groove; a first motor, the first motor is fixedly installed on the top of the stretching frame, and the output shaft of the first motor is fixedly connected to the top of the one-way threaded rod; a T-shaped pressure block, the T-shaped pressure block The threaded sleeve is arranged on the one-way threaded rod, and the two ends of the T-shaped pressure block are respectively slidably connected with the two guide grooves; the spacing adjustment mechanism is arranged on the base, and a simple electric downward pressing stretching mechanism can be formed by the strip through groove, guide groove, one-way threaded rod, first motor and T-shaped pressure block arranged on the stretching frame, which can make the stretching detection operation more labor-saving and convenient, and allow personnel to have ample time to observe the degree of extrusion of the polymer film, which is conducive to personnel to judge the tensile properties of the polymer material film. Through the set spacing adjustment mechanism, the spacing between the two columns can be adjusted labor-savingly and flexibly, which is convenient for fixed detection of polymer films of different lengths.

[0004] The above-mentioned tensile testing device pulls the polymer film for tensile testing through the set stretching mechanism, but the stretching mechanism lacks an effective positioning mechanism after stretching, which makes it difficult to determine the tensile value of the polymer film. For this reason, we provide a tensile testing device for polymer film processing. Utility Model Content

[0005] The purpose of the utility model is to provide a tensile testing device for polymer film processing, so as to solve the problem that the existing tensile testing device proposed in the above background technology pulls the polymer film for tensile testing through a set stretching mechanism, but lacks an effective positioning mechanism after the stretching mechanism is stretched, resulting in difficulty in determining the tensile value of the polymer film.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tensile testing device for polymer film processing, comprising a supporting platform, a movable platform and a fixed platform are arranged at the upper end of the supporting platform, the fixed platform and the supporting platform are an integrated structure, a power supply box is arranged on the outer wall of one side of the supporting platform, a movable frame and a base frame are respectively welded at the upper ends of the movable platform and the fixed platform, and the movable frame and the base frame are respectively an integrated structure with the movable platform and the fixed platform;

[0007] Also includes:

[0008] An inner slide groove is arranged inside the movable platform, and a threaded screw is arranged inside the inner slide groove, a screw slider is movably arranged on the threaded screw, and the screw slider and the movable frame are an integrated structure;

[0009] A first film pressing plate is arranged in the inner notch of the base frame, and a bearing seat is welded on the top of the base frame, a hydraulic cylinder is arranged on the top of the bearing seat, and a piston rod of the hydraulic cylinder penetrates the base frame and is welded to the first film pressing plate;

[0010] A second film pressing plate is arranged in the inner notch of the movable frame, and a threaded through hole is arranged above the second film pressing plate. The threaded through hole and the movable frame are an integral structure, and a threaded rod is movably arranged inside the threaded through hole;

[0011] The scale plate is welded and arranged on one side of the inner slide groove, and a scale hole is arranged inside the scale plate, the scale hole corresponds to the scale line on the scale plate one by one, and a stop rod is installed inside a scale hole.

[0012] Preferably, an embedded groove is provided below the movable platform, an electromagnet is fixed inside the embedded groove by nail-free glue, a switch is provided on one side of the power box, and the movable platform is adsorbed and connected to the supporting base through the electromagnet.

[0013] Preferably, the output end of the power box is electrically connected to the input end of the switch, and the output end of the switch is electrically connected to the input end of the electromagnet.

[0014] Preferably, an inner rotating groove is provided inside the second film pressing plate, and an anti-slip rotating head is provided inside the inner rotating groove for rotation, and the anti-slip rotating head and the threaded rod are an integrated structure.

[0015] Preferably, a plug-in board slot is provided inside the fixed platform, a guide connecting plate is movably provided inside the plug-in board slot, and the guide connecting plate and the movable platform are an integral structure.

[0016] Preferably, a turning handle is provided at the front end of the movable platform, and the turning handle is welded to the threaded screw.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model drives the first film pressing plate to be pressed down by a hydraulic cylinder, and drives the second film pressing plate to be pressed down by a forward-rotating threaded rod, so as to press and position the two ends of the polymer film. When performing a tensile test, first, according to the maximum pulling distance that the polymer film can withstand, the stop rod is inserted and installed into the corresponding scale connection hole, and then the handle is turned to drive the threaded screw to rotate, so that the screw slider drives the movable frame to perform a stretching activity along the inner slide groove until the movable frame abuts against the stop rod. This overcomes the problem that the existing tensile test device uses a stretching mechanism to pull the polymer film for tensile test, but lacks an effective positioning mechanism after the stretching mechanism is stretched, resulting in difficulty in determining the tensile value of the polymer film.

[0019] 2. Place the polymer film that needs to be tensile tested between the base frame and the movable frame, and then pull the movable platform so that the distance between the inner notch of the base frame and the inner notch of the movable frame is equal to the length of the polymer film. After pulling it into place, press the switch so that the power box supplies power to the electromagnet. The electromagnet generates magnetic force after being energized to adsorb and fix the movable platform, thereby improving the stability of the movable platform after adjustment, so that the device can meet the tensile test of polymer films of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the tensile testing device for polymer film processing of the utility model;

[0021] Figure 2 This is a schematic diagram of the connection structure between the movable platform and the fixed platform of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the movable frame of the utility model;

[0023] Figure 4 This is a schematic diagram of the scale plate structure of the utility model;

[0024] In the figure: 1. supporting platform; 2. movable platform; 3. fixed platform; 4. base frame; 5. bearing seat; 6. hydraulic cylinder; 7. first film pressing plate; 8. movable frame; 9. threaded rod; 10. second film pressing plate; 11. scale plate; 12. power box; 13. switch; 14. inner slide groove; 15. threaded screw; 16. screw slider; 17. turning handle; 18. guide plate; 19. plug-in plate groove; 20. embedded groove; 21. electromagnet; 22. inner rotating groove; 23. threaded through hole; 24. anti-slip rotating head; 25. scale connecting hole; 26. stop plug rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4 The utility model provides an embodiment: a tensile testing device for polymer film processing, comprising a supporting platform 1, a movable platform 2 and a fixed platform 3 are arranged on the upper end of the supporting platform 1, the fixed platform 3 and the supporting platform 1 are an integrated structure, a power supply box 12 is arranged on the outer wall of one side of the supporting platform 1, and a movable frame 8 and a base frame 4 are welded on the upper ends of the movable platform 2 and the fixed platform 3, respectively, and the movable frame 8 and the base frame 4 are an integrated structure with the movable platform 2 and the fixed platform 3;

[0027] Also includes:

[0028] An inner slide groove 14 is arranged inside the movable platform 2, and a threaded screw 15 is arranged inside the inner slide groove 14, a screw slider 16 is movably arranged on the threaded screw 15, and the screw slider 16 and the movable frame 8 are an integrated structure;

[0029] A first film pressing plate 7 is arranged in the inner notch of the base frame 4, and a bearing seat 5 is welded on the top of the base frame 4, a hydraulic cylinder 6 is arranged on the top of the bearing seat 5, and a piston rod of the hydraulic cylinder 6 passes through the base frame 4 and is welded to the first film pressing plate 7;

[0030] The second film pressing plate 10 is arranged in the inner notch of the movable frame 8, and a threaded through hole 23 is arranged above the second film pressing plate 10. The threaded through hole 23 and the movable frame 8 are an integral structure, and a threaded rod 9 is movably arranged inside the threaded through hole 23;

[0031] The scale plate 11 is welded and arranged on one side of the inner slide groove 14, and a scale hole 25 is arranged inside the scale plate 11, and the scale hole 25 corresponds to the scale line on the scale plate 11 one by one, and a stop rod 26 is installed inside a scale hole 25.

[0032] When in use, the hydraulic cylinder drives the first film pressing plate to press down, and drives the second film pressing plate to press down through the forward-rotating threaded rod, so as to press and position the two ends of the polymer film. When performing tensile testing, first, according to the maximum pulling distance that the polymer film can withstand, the stop rod is inserted and installed into the corresponding scale hole, and then the handle is turned to drive the threaded screw to rotate, so that the screw slider drives the movable frame to stretch along the inner slide groove until the movable frame abuts against the stop rod.

[0033] See also Figure 2An embedded groove 20 is provided at the bottom of the movable platform 2, and an electromagnet 21 is fixed inside the embedded groove 20 by nail-free glue. A switch 13 is provided on one side of the power box 12. The movable platform 2 is adsorbed and connected to the supporting base 1 through the electromagnet 21. The embedded groove 20 provided at the bottom of the movable platform 2 plays the role of supporting the electromagnet 21.

[0034] See also Figure 2 The output end of the power box 12 is electrically connected to the input end of the switch 13 , and the output end of the switch 13 is electrically connected to the input end of the electromagnet 21 .

[0035] See also Figure 3 The second film pressing plate 10 is provided with an inner rotating groove 22, and an anti-slip rotating head 24 is provided inside the inner rotating groove 22 for rotation. The anti-slip rotating head 24 and the threaded rod 9 are an integral structure. The inner rotating groove 22 provided inside the second film pressing plate 10 serves to facilitate the internal limiting activity of the anti-slip rotating head 24.

[0036] See also Figure 2 A plug-in board slot 19 is provided inside the fixed platform 3, and a guide connecting plate 18 is provided inside the plug-in board slot 19 for guiding movement. The guide connecting plate 18 and the movable platform 2 are an integral structure. The plug-in board slot 19 provided inside the fixed platform 3 serves to facilitate the guiding movement of the guide connecting plate 18.

[0037] See also Figure 1 A turning handle 17 is arranged at the front end of the movable platform 2, and the turning handle 17 is welded to the threaded screw 15. The turning handle 17 arranged at the front end of the movable platform 2 plays a role in driving the threaded screw 15 to rotate forward and reversely.

[0038] Working principle: When in use, place the polymer film that needs to be tested for tensile strength between the base frame 4 and the movable frame 8, then pull the movable platform 2 so that the distance between the inner notch of the base frame 4 and the inner notch of the movable frame 8 is equal to the length of the polymer film. After pulling it into place, press the switch 13 so that the power box 12 supplies power to the electromagnet 21. The electromagnet 21 generates magnetic force after being powered, and adsorbs and fixes the movable platform 2, thereby improving the stability of the movable platform 2 after adjustment. Then, the first film pressing plate 7 is pressed down by the hydraulic cylinder 6, and the second film pressing plate 1 is driven by the forward-rotating threaded rod 9. 0 is pressed down, thereby pressing and positioning the two ends of the polymer film. When performing the tensile test, first, according to the maximum pulling distance that the polymer film can withstand, the stop rod 26 is inserted and installed into the corresponding scale connection hole 25, and then the turning handle 17 is turned to drive the threaded screw 15 to rotate, so that the screw slider 16 drives the movable frame 8 to stretch along the inner slide groove 14 until the movable frame 8 abuts against the stop rod 26. At this time, if the polymer film is not broken, it means that the polymer film tensile test is qualified, otherwise it is unqualified, and the use of the tensile test device for polymer film processing is completed.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A tensile testing device for polymer film processing, comprising a supporting platform (1), wherein a movable platform (2) and a fixed platform (3) are arranged at the upper end of the supporting platform (1), the fixed platform (3) and the supporting platform (1) are an integral structure, a power supply box (12) is arranged on an outer wall of one side of the supporting platform (1), a movable frame (8) and a base frame (4) are respectively welded at the upper ends of the movable platform (2) and the fixed platform (3), and the movable frame (8) and the base frame (4) are respectively an integral structure with the movable platform (2) and the fixed platform (3); Features: Also includes: An inner slide groove (14) is arranged inside the movable platform (2), and a threaded screw (15) is arranged inside the inner slide groove (14), a screw slider (16) is movably arranged on the threaded screw (15), and the screw slider (16) and the movable frame (8) are an integrated structure; A first film pressing plate (7) is arranged in the inner notch of the base frame (4), and a bearing seat (5) is welded on the top of the base frame (4), a hydraulic cylinder (6) is arranged on the top of the bearing seat (5), and a piston rod of the hydraulic cylinder (6) passes through the base frame (4) and is welded to the first film pressing plate (7); A second film pressing plate (10) is arranged in the inner notch of the movable frame (8), and a threaded through hole (23) is arranged above the second film pressing plate (10). The threaded through hole (23) and the movable frame (8) are an integral structure, and a threaded rod (9) is movably arranged inside the threaded through hole (23); The scale plate (11) is welded and arranged on one side of the inner slide groove (14), and a scale connection hole (25) is arranged inside the scale plate (11), the scale connection hole (25) corresponds to the scale line on the scale plate (11) one by one, and a stop rod (26) is inserted and installed inside one of the scale connection holes (25).

2. The tensile testing device for polymer film processing according to claim 1, characterized in that: An embedded groove (20) is provided below the movable platform (2), an electromagnet (21) is fixedly provided inside the embedded groove (20) by means of nail-free glue, a switch (13) is provided on one side of the power supply box (12), and the movable platform (2) is adsorbedly connected to the supporting platform (1) via the electromagnet (21).

3. The tensile testing device for polymer film processing according to claim 2, characterized in that: The output end of the power box (12) is electrically connected to the input end of the switch (13), and the output end of the switch (13) is electrically connected to the input end of the electromagnet (21).

4. The tensile testing device for polymer film processing according to claim 1, characterized in that: The second film pressing plate (10) is provided with an inner rotating groove (22) inside which an anti-slip rotating head (24) is rotatably provided. The anti-slip rotating head (24) and the threaded rod (9) are an integral structure.

5. The tensile testing device for polymer film processing according to claim 1, characterized in that: The fixed platform (3) is provided with a plug-in board slot (19) inside, and a guide connecting plate (18) is provided inside the plug-in board slot (19) for guiding movement, and the guide connecting plate (18) and the movable platform (2) are an integrated structure.

6. The tensile testing device for polymer film processing according to claim 1, characterized in that: A turning handle (17) is arranged at the front end of the movable platform (2), and the turning handle (17) is welded to the threaded lead screw (15).

Images