Electromagnetic shielding film tensile strength testing device

Abstract

The utility model discloses an electromagnetic shielding film tensile strength detection device, which belongs to the technical field of strength detection equipment, including a base, two second screw rods for auxiliary adjustment are installed on the inner side of the base, and a stepper motor for providing adjustment power for the second screw rod is installed on the side of the base, the outer periphery of the two second screw rods are threadedly connected with two symmetrical auxiliary blocks, and the top of the auxiliary block is connected with an adjustment rod through a hinge, and the end of the adjustment rod away from the auxiliary block passes through a limit groove arranged at the top of the base and is hingedly connected with a mounting seat, and a rectangular adjustment plate is installed on the top of the mounting seat, and limit plates used in conjunction with a stabilizing component are welded on both sides of the adjustment plate, and auxiliary wheels are installed at the midpoints of the two second screw rods, and the two auxiliary wheels are connected by a belt drive. The electromagnetic shielding film tensile strength detection device is convenient for adjusting the use height of the device, and can ensure the stability of the device when in use, greatly increasing the practicality of the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of strength detection equipment, in particular to a device for detecting the tensile strength of an electromagnetic shielding film. Background Art

[0002] Nowadays, the application of electronic products is relatively widespread. During the use of electronic products, they will be interfered by electromagnetic waves. Electromagnetic waves can not only interfere with the normal operation of various electronic equipment, but also cause harm to human health. Therefore, electromagnetic shielding films are widely used. After the production of electromagnetic shielding films is completed, they need to be sampled for tensile strength testing to detect the tensile deformation of the electromagnetic shielding film. When the existing electromagnetic shielding film tensile strength testing device is used, the fixed component is driven by the installed driving device to be adjusted, so that the device can adapt to the use of different electromagnetic shielding films and increase the scope of application of the device. Although the scope of application of the device can be increased to a certain extent, the use height of the device is fixed, and the use height of the device cannot be adjusted according to actual use needs, which makes the practicability of the device low.

[0003] After searching, the Chinese patent document (authorization announcement number CN217819754U) shows that the utility model belongs to the technical field of electromagnetic shielding film tensile strength detection device, especially an electromagnetic shielding film tensile strength detection device, including a support box and a lifting plate, the support box is provided with a lifting assembly, and the lifting assembly is connected to the top plate, a clamping assembly is fixedly installed on one side of the top of the support box, a guide is provided on the top of the support box, a support plate is slidably installed on the top of the support box, and the support plate is connected to the guide, a mounting groove is provided on the support plate, a mounting seat is slidably installed in the mounting groove, and pressure sensors are fixedly installed on both sides of the mounting seat. The utility model has a reasonable design, simple operation, good fixing effect, and can effectively avoid tensile test operations. Although this patent can increase the scope of application of the device to a certain extent, the use height of the device is fixed, and the use height of the device cannot be adjusted according to actual use requirements, which makes the practicability of the device low. Utility Model Content

[0004] The utility model aims to provide a device for detecting the tensile strength of an electromagnetic shielding film, so as to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electromagnetic shielding film tensile strength detection device, comprising a base, a stabilizing component is installed on the side of the base, and a plurality of movable wheels are installed on the bottom end of the base, two second screw rods for auxiliary adjustment are installed on the inner side of the base, and a stepper motor for providing adjustment power for the second screw rod is installed on the side of the base, the outer periphery of the two second screw rods are threadedly connected to two symmetrical auxiliary blocks, and the top of the auxiliary block is connected to an adjusting rod through a hinge, the end of the adjusting rod away from the auxiliary block passes through a limiting groove arranged at the top of the base and is hingedly connected to a mounting seat, and a rectangular adjusting plate is installed on the top of the mounting seat, limiting plates used in conjunction with the stabilizing component are welded on both sides of the adjusting plate, and a fixing component for performing tensile test on the electromagnetic shielding film is installed on the top of the adjusting plate, auxiliary wheels are installed at the midpoints of the two second screw rods, and the two auxiliary wheels are connected by a belt drive.

[0006] Specifically, the stabilizing assembly includes an installation box installed on both sides of the base, a slide bar installed inside the installation box, and two slide blocks installed on the outer periphery of the slide bar.

[0007] Specifically, the bottom end of the sliding block is connected to a linkage rod via a hinge, one end of the linkage rod is hingedly connected to a base, and a support plate with an anti-slip pad is installed at the bottom end of the base.

[0008] Specifically, a return spring is installed between the side surface of the slider and the inner wall of the installation box, and the top of the slider is connected to a movable rod through a hinge, and the end of the movable rod away from the slider is hingedly connected to a sleeve.

[0009] Specifically, the top end of the sleeve passes through an adjustment slot arranged at the top end of the installation box and is threadedly connected to a screw rod, and the top end of the screw rod is fixedly connected to an adjustment wheel.

[0010] Specifically, the fixing assembly includes a first screw rod installed on the inner side of the adjustment plate, a driving motor installed on the side of the adjustment plate to provide adjustment power for the first screw rod, and a movable block threadedly connected to the outer periphery of the first screw rod.

[0011] Specifically, the top of the movable block passes through the mounting slot arranged at the top of the adjusting plate and is connected to the mounting frame, and the top of the mounting frame is equipped with the fixed end of the hydraulic rod, and the driving end of the hydraulic rod passes through the mounting frame and is connected to the fixed plate.

[0012] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0013] The electromagnetic shielding film tensile strength detection device benefits from the design of the stepper motor, the stabilizing component and the fixing component. By starting the stepper motor, the two second screws are driven to rotate. The rotation of the second screws drives the adjusting rods at the top of the two auxiliary blocks to work in linkage, so as to adjust the use height of the adjusting plate. The adjustment of the adjusting plate drives the two limit plates to work in linkage. The adjustment of the limit plate drives the sleeve at the bottom end of the adjusting wheel to rise. The adjustment of the sleeve drives the slider at the bottom end of the movable rod to adjust. The relative movement of the two sliders drives the linkage rod at the bottom to adjust, so that the support plate contacts the ground, ensuring the stability of the device after it is raised, making the device easy to adjust, and ensuring the stability of the device when it is used. The design of the fixing component can drive the fixed electromagnetic shielding film to perform testing operations.

[0014] The electromagnetic shielding film tensile strength detection device is convenient for adjusting the use height of the device and can ensure the stability of the device when in use, thereby greatly increasing the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a connection cross-sectional view of the utility model when the adjustment plate is raised;

[0018] Figure 3 This is a connection cross-sectional view of the stepping motor of the utility model;

[0019] Figure 4 It is a cross-sectional view of the connection of the stabilizing component of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the fixing component of the utility model.

[0021] Description of reference numerals:

[0022] In the figure: 1. base; 2. adjustment plate; 3. stabilizing component; 31. installation box; 32. sleeve; 33. screw; 34. adjusting wheel; 35. movable rod; 36. slider; 37. slide bar; 38. reset spring; 39. linkage rod; 40. support plate; 4. fixing component; 41. mounting frame; 42. fixing plate; 43. hydraulic rod; 44. driving motor; 45. first screw rod; 46. movable block; 5. limiting plate; 6. moving wheel; 7. stepping motor; 8. adjusting rod; 9. second screw rod; 10. auxiliary block; 11. auxiliary wheel. DETAILED DESCRIPTION

[0023] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0025] The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., which shall be based on actual needs. The technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail. However, where appropriate, the technologies, methods and equipment should be regarded as part of the specification, and the proportions of the devices in the drawings are for reference only and may be adjusted to a certain extent according to actual usage.

[0026] Examples, such as Figures 1 to 5As shown, two second screw rods 9 for auxiliary adjustment are installed on the inner side of the base 1. The second screw rods 9 are of two-stage design, which can meet the requirements of the two auxiliary blocks 10 moving toward each other, and a stepper motor 7 for providing adjustment power for the second screw rods 9 is installed on the side of the base 1. The outer peripheries of the two second screw rods 9 are threadedly connected with two symmetrical auxiliary blocks 10, and the tops of the auxiliary blocks 10 are connected with adjustment rods 8 through hinges. One end of the adjustment rod 8 is hingedly connected to a mounting seat, and the outer periphery of the adjustment rod 8 is slidably connected to a limiting groove arranged at the top of the base 1. The mounting seat is an existing mature technology and can meet the effect of hinged connection. A rectangular adjustment plate 2 is installed on the top of the mounting seat, and both sides of the adjustment plate 2 are welded with a matching and stable The limit plate 5 used in the component 3 can lift the adjusting wheel 34 during the rising process, so that the adjusting wheel 34 drives the sleeve 32 at the bottom to work in conjunction, and a fixing component 4 for performing an anti-tensile test on the electromagnetic shielding film is installed on the top of the adjusting plate 2, and an auxiliary wheel 11 is installed at the midpoint of the two second screw rods 9. The design of the auxiliary wheel 11 and the belt can meet the synchronous rotation of the two second screw rods 9. The two auxiliary wheels 11 are connected by a belt drive, and the stepper motor 7 is started to drive the two second screw rods 9 to rotate. The rotation of the second screw rod 9 drives the adjusting rods 8 at the top of the two auxiliary blocks 10 to work in conjunction, thereby adjusting the use height of the adjusting plate 2, which increases the practicality of the device to a certain extent.

[0027] The stabilizing component 3 includes an installation box 31 installed on both sides of the base 1, a slide bar 37 installed on the inner side of the installation box 31, and two sliders 36 installed on the outer periphery of the slide bar 37. The bottom end of the slider 36 is connected to a linkage rod 39 through a hinge, and one end of the linkage rod 39 is hingedly connected to a base. The base has the same effect as the installation base, and a support plate 40 with an anti-skid pad is installed at the bottom end of the base. The design of the anti-skid pad can increase the friction between the support plate 40 and the ground. A return spring 38 is installed between the side of the slider 36 and the inner wall of the installation box 31, and the slider 36 The top of the movable rod 35 is connected to the movable rod 35 by a hinge, and the movable rod 35 is slidably connected to the adjusting groove during the adjustment process, and the bottom end of the installation box 31 is an open design, and the end of the movable rod 35 away from the slider 36 is hingedly connected to the sleeve 32, and the top of the sleeve 32 is threadedly connected to the screw 33, and the outer periphery of the sleeve 32 is slidably connected to the adjusting groove provided at the top of the installation box 31, the elongation of the screw 33 can adjust the final use height of the adjustment plate 2, and the top of the screw 33 is fixedly connected to the adjusting wheel 34, and the rotation direction of the adjusting wheel 34 is determined according to actual conditions.

[0028] The fixing assembly 4 includes a first screw rod 45 installed on the inner side of the adjusting plate 2, a driving motor 44 installed on the side of the adjusting plate 2 to provide adjusting power for the first screw rod 45, and a movable block 46 threadedly connected to the outer periphery of the first screw rod 45. The first screw rod 45 is the same as the second screw rod 9 and is of two-stage design. The top of the movable block 46 passes through the mounting groove provided at the top of the adjusting plate 2 and is connected to a mounting frame 41. The mounting frame 41 is of U-shaped design, and the top of the mounting frame 41 is installed with a fixed end of a hydraulic rod 43. The driving end of the hydraulic rod 43 passes through the mounting frame 41 and is connected to a fixed plate 42. The electromagnetic shielding film is fixed by starting the two hydraulic rods 43 to drive the fixed plate 42, and the driving motor 44 is started to drive the second screw rod 9 to be linked, and drive the two mounting frames 41 to move in opposite directions, thereby achieving the effect of tensile detection.

[0029] The driving motor 44, the stepping motor 7 and the hydraulic rod 43 are all conventional instruments. The working principle, size and model are irrelevant to the function of the present application, so they are not described in detail. They are all controlled by a remote control switch. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices. Therefore, the present invention will no longer explain the control method and circuit connection in detail, and the proportions of the drawings are for reference only and can be adjusted to a certain extent according to actual usage.

[0030] How it works

[0031] The electromagnetic shielding film tensile strength detection device, when in use, moves the base 1 to the detection position, rotates the two adjusting wheels 34 to adjust the elongation of the two screws 33, and after the adjustment is completed, starts the stepping motor 7 to drive the two second screws 9 to rotate, and the rotation of the second screws 9 drives the adjusting rods 8 at the top of the two auxiliary blocks 10 to work in linkage, so as to adjust the use height of the adjustment plate 2, and the raising of the adjustment plate 2 drives the two limit plates 5 to move upward, and the upward movement of the limit plates 5 drives the sleeve 32 at the bottom end of the adjusting wheel 34 to rise, and the raising of the sleeve 32 drives the slider 36 at the bottom end of the movable rod 35 to move toward each other, and the toward-to-toe movement of the two sliders 36 drives the linkage rod 39 at the bottom to adjust, so that the support plate 40 contacts the ground, to ensure the stability of the device after being raised, and the electromagnetic shielding film to be detected is placed under the two fixed plates 42, and the two hydraulic rods 43 are started to drive the fixed plate 42 to descend to cooperate with the mounting frame 41 for fixing operation, and the drive motor 44 is started to drive the fixed electromagnetic shielding film to perform tensile strength operation.

[0032] It should be noted that, in this article, relational terms such as one and two 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. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] 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. An electromagnetic shielding film tensile strength testing device, comprising a base (1), a stabilizing component (3) is installed on the side of the base (1), and a plurality of moving wheels (6) are installed at the bottom of the base (1), characterized in that: Two second screw rods (9) for auxiliary adjustment are installed on the inner side of the base (1), and a stepper motor (7) for providing adjustment power for the second screw rods (9) is installed on the side of the base (1). The outer peripheries of the two second screw rods (9) are threadedly connected to two symmetrical auxiliary blocks (10), and the top of the auxiliary block (10) is connected to an adjustment rod (8) through a hinge. The end of the adjustment rod (8) away from the auxiliary block (10) passes through a limit groove arranged at the top of the base (1) and is hingedly connected to a mounting seat, and a rectangular adjustment plate (2) is installed on the top of the mounting seat. Limit plates (5) used in conjunction with the stabilizing component (3) are welded on both sides of the adjustment plate (2), and a fixing component (4) for performing an anti-tensile test on the electromagnetic shielding film is installed on the top of the adjustment plate (2). Auxiliary wheels (11) are installed at the midpoints of the two second screw rods (9), and the two auxiliary wheels (11) are connected by a belt drive.

2. The electromagnetic shielding film tensile strength detection device according to claim 1, characterized in that: The stabilizing assembly (3) comprises an installation box (31) installed on both sides of the base (1), a slide bar (37) installed inside the installation box (31), and two slide blocks (36) installed on the outer periphery of the slide bar (37).

3. The electromagnetic shielding film tensile strength detection device according to claim 2, characterized in that: The bottom end of the slider (36) is connected to a linkage rod (39) via a hinge, and one end of the linkage rod (39) is hingedly connected to a base, and a support plate (40) with an anti-slip pad is installed at the bottom end of the base.

4. The electromagnetic shielding film tensile strength detection device according to claim 3, characterized in that: A return spring (38) is installed between the side of the slider (36) and the inner wall of the installation box (31), and the top of the slider (36) is connected to a movable rod (35) through a hinge, and the end of the movable rod (35) away from the slider (36) is hingedly connected to a sleeve (32).

5. The electromagnetic shielding film tensile strength detection device according to claim 4, characterized in that: The top end of the sleeve (32) passes through an adjustment groove arranged at the top end of the installation box (31) and is threadedly connected to a screw rod (33), and the top end of the screw rod (33) is fixedly connected to an adjustment wheel (34).

6. The electromagnetic shielding film tensile strength detection device according to claim 1, characterized in that: The fixing assembly (4) comprises a first screw rod (45) mounted on the inner side of the adjustment plate (2), a driving motor (44) mounted on the side of the adjustment plate (2) and providing adjustment power to the first screw rod (45), and a movable block (46) threadedly connected to the outer periphery of the first screw rod (45).

7. The electromagnetic shielding film tensile strength detection device according to claim 6, characterized in that: The top end of the movable block (46) passes through a mounting slot provided at the top end of the adjustment plate (2) and is connected to a mounting frame (41), and the top end of the mounting frame (41) is mounted with a fixed end of a hydraulic rod (43), and the driving end of the hydraulic rod (43) passes through the mounting frame (41) and is connected to a fixed plate (42).

Images