High-frequency electromagnetic shielding film performance detection device with good conductivity

Abstract

The utility model discloses a high-frequency good-conductivity electromagnetic shielding film performance detection device which comprises a workbench, the workbench is provided with a transmission screw, a guide shaft, a PLC control cabinet, a through groove, a laser distance sensor, a clamping seat and a motor support, the transmission screw is in interference connection with the left side of the upper portion in the workbench through a bearing, and the guide shaft is arranged on the transmission screw. The guide shaft is fixedly installed on the right side of the upper portion in the workbench through screws, the PLC control cabinet is fixedly installed below the rear end of the workbench through screws, the through grooves are symmetrically formed in the two sides of the top of the workbench, and the laser distance sensor is fixedly installed in the middle of the rear end of the top of the workbench through screws. The clamping seats are symmetrically placed at the front end and the rear end of the top of the workbench, and the motor support is fixedly installed on the lower left portion of the front end in the workbench through screws. The electromagnetic shielding film tensile property detection device can easily detect the tensile property of the electromagnetic shielding film.

Description

Technical Field

[0001] The utility model relates to a device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity, belonging to the technical field of electromagnetic shielding film detection. Background Art

[0002] Electromagnetic shielding film is a light-transmitting shielding material that blocks electromagnetic waves from penetrating, prevents electromagnetic radiation, protects electronic information from leakage, and resists electromagnetic interference. After the electromagnetic shielding film is produced, it needs to be tested for tensile properties. However, the current testing methods are mostly carried out by manually controlling the machine, which can easily lead to uneven tensile strength and seriously affect the accuracy of the test results. In order to solve the above problems, a new technical solution is provided. Utility Model Content

[0003] The utility model aims to provide a device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-frequency and good conductive electromagnetic shielding film performance detection device, comprising a workbench, on which a transmission screw, a guide shaft, a PLC control cabinet, a through slot, a laser distance sensor, a clamping seat and a motor bracket are arranged. The transmission screw is connected to the upper left side of the interior of the workbench through a bearing interference fit, the guide shaft is fixed to the upper right side of the interior of the workbench by screws, the PLC control cabinet is fixed to the lower rear end of the workbench by screws, the through slot is symmetrically opened on both sides of the top of the workbench, the laser distance sensor is fixed to the middle of the rear end of the top of the workbench by screws, the clamping seat is symmetrically placed at the front and rear ends of the top of the workbench, and the motor bracket is fixed to the lower left front end of the interior of the workbench by screws.

[0005] Preferably, a stepper motor is fixed to the rear end of the motor bracket by screws, and the main shaft of the stepper motor passes through and extends to the front end of the motor bracket, where a main pulley is fixed by screws. A driven pulley is connected to the top of the main pulley by a belt, and the driven pulley is fixedly connected to the transmission screw by screws.

[0006] Preferably, the clamping seat at the front end is fixedly connected to the top wall of the workbench by screws, and a fastening screw, a boss and a clamping plate are provided on the clamping seat. The fastening screw is symmetrically welded to the two ends of the top of the clamping seat, and the boss is integrally formed and symmetrically connected to the front and rear ends of the top of the clamping seat, and the clamping plate is placed on the top of the clamping seat.

[0007] Preferably, the clamping plate is mounted on the fastening screw, and grooves and fastening nuts are provided on the clamping plate. The grooves are symmetrically opened at the front and rear ends of the bottom of the clamping plate, and the grooves are mounted on the bosses. The fastening nuts are symmetrically placed at the two ends of the top of the clamping plate, and the fastening nuts are threadedly connected to the fastening screw.

[0008] Preferably, the two ends of the bottom of the clamping seat at the rear end are symmetrically connected with docking arms by screws, the lower end of the docking arm passes through and extends to the bottom of the through groove, and the left docking arm is threadedly connected to the transmission screw, and the right docking arm is mounted on the guide shaft.

[0009] Preferably, the PLC control cabinet is electrically connected to the laser distance sensor and the stepper motor respectively through wires.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the docking arm on the left side of the utility model is threadedly connected to the transmission screw, and the transmission screw can easily drive the clamping seat at the rear end to slide linearly along the guide shaft; the groove is sleeved on the boss, and the electromagnetic shielding film can be easily pressed onto the boss through the groove; the fastening nut is threadedly connected to the fastening screw, and the clamping plate can be easily squeezed and fixed on the clamping seat through the fastening nut; based on the above, the utility model can easily test the tensile properties of the electromagnetic shielding film. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the workbench of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the clamping seat of the utility model;

[0014] In the figure: 1-workbench; 2-drive screw; 3-guide shaft; 4-PLC control cabinet; 5-through slot; 6-laser distance sensor; 7-clamping seat; 8-motor bracket; 9-stepping motor; 10-main pulley; 11-belt; 12-driven pulley; 13-fastening screw; 14-boss; 15-clamping plate; 16-groove; 17-fastening nut; 18-docking arm. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0016] like Figure 1-3As shown, a high-frequency and good conductive electromagnetic shielding film performance detection device comprises a workbench 1, on which a transmission screw 2, a guide shaft 3, a PLC control cabinet 4, a through slot 5, a laser distance sensor 6, a clamping seat 7 and a motor bracket 8 are arranged. The transmission screw 2 is connected to the upper left side of the inside of the workbench 1 through a bearing interference fit, the guide shaft 3 is fixed to the upper right side of the inside of the workbench 1 by screws, the PLC control cabinet 4 is fixed to the lower rear end of the workbench 1 by screws, the through slot 5 is symmetrically opened on both sides of the top of the workbench 1, the laser distance sensor 6 is fixed to the middle of the rear end of the top of the workbench 1 by screws, the clamping seat 7 is symmetrically placed at the front and rear ends of the top of the workbench 1, the motor bracket 8 is fixed to the lower left front end of the inside of the workbench 1 by screws, a stepper motor 9 is fixed to the rear end of the motor bracket 8 by screws, the main shaft of the stepper motor 9 passes through and extends to the front end of the motor bracket 8, and a main pulley 10 is fixed to the front end of the motor bracket 8 by screws, a driven pulley 12 is connected to the main pulley 10 by a belt 11, and the driven pulley 12 is connected to the transmission pulley by screws. The movable screw 2 is fixedly connected, and the clamping seat 7 at the front end is fixedly connected to the top wall of the workbench 1 by screws. The clamping seat 7 is provided with a fastening screw 13, a boss 14 and a clamping plate 15. The fastening screw 13 is symmetrically welded to the two ends of the top of the clamping seat 7. The boss 14 is integrally formed and symmetrically connected to the front and rear ends of the top of the clamping seat 7. The clamping plate 15 is placed on the top of the clamping seat 7. The clamping plate 15 is sleeved on the fastening screw 13. The clamping plate 15 is provided with a groove 16 and a fastening nut 17. The groove 16 is symmetrically opened at the front and rear ends of the bottom of the clamping plate 15 End, and the groove 16 is mounted on the boss 14, the fastening nuts 17 are symmetrically placed at the two ends of the top of the clamping plate 15, and the fastening nuts 17 are threadedly connected to the fastening screw 13, and the two ends of the bottom of the clamping seat 7 at the rear end are symmetrically connected with docking arms 18 by screws, the lower end of the docking arm 18 passes through and extends to the bottom of the through groove 5, and the docking arm 18 on the left is threadedly connected to the transmission screw 2, and the docking arm 18 on the right is mounted on the guide shaft 3, and the PLC control cabinet 4 is electrically connected to the laser distance sensor 6 and the stepping motor 9 through wires.

[0017] Specific usage: place the electromagnetic shielding film to be tested on the boss 14 on the front and rear clamping seats 7, then put the clamping plate 15 on the fastening screw 13, at this time, the groove 16 on the clamping plate 15 is put on the boss 14 to press and fix the electromagnetic shielding film, then screw the fastening nut 17 into the fastening screw 13 to fix the clamping plate 15; then control the stepper motor 9 to start through the PLC control cabinet 4, the stepper motor 9 starts and drives the main pulley 10 to rotate, the main pulley 10 rotates through the belt 11 to drive the driven pulley 12 to rotate, the driven pulley 12 rotates and drives the transmission screw 2 to rotate, the transmission screw 2 rotates and drives the rear end clamping seat 7 on the left docking arm 18 to move backward in a straight line along the guide shaft 3, the rear end clamping seat 7 moves backward to stretch the electromagnetic shielding film, and at the same time the laser distance sensor 6 monitors the movement and stretching amount of the rear end clamping seat 7 at all times.

[0018] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity, comprising a workbench (1), characterized in that: The workbench (1) is provided with a transmission screw (2), a guide shaft (3), a PLC control cabinet (4), a through slot (5), a laser distance sensor (6), a clamping seat (7) and a motor bracket (8); the transmission screw (2) is connected to the upper left side of the workbench (1) through a bearing interference fit; the guide shaft (3) is fixed to the upper right side of the workbench (1) through screws; the PLC control cabinet (4) is fixed to the lower rear end of the workbench (1) through screws; the through slot (5) is symmetrically opened on both sides of the top of the workbench (1); the laser distance sensor (6) is fixed to the middle of the rear end of the top of the workbench (1) through screws; the clamping seat (7) is symmetrically placed at the front and rear ends of the top of the workbench (1); and the motor bracket (8) is fixed to the lower left of the front end of the workbench (1) through screws.

2. The device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity according to claim 1, characterized in that: A stepper motor (9) is fixedly mounted on the rear end of the motor bracket (8) by means of screws, a main shaft of the stepper motor (9) passes through and extends to the front end of the motor bracket (8) and is fixedly mounted on a main pulley (10) by means of screws, a driven pulley (12) is connected to the top of the main pulley (10) by means of a belt (11), and the driven pulley (12) is fixedly connected to the transmission screw (2) by means of screws.

3. The device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity according to claim 1, characterized in that: The clamping seat (7) at the front end is fixedly connected to the top wall of the workbench (1) by means of screws. A fastening screw (13), a boss (14) and a clamping plate (15) are provided on the clamping seat (7). The fastening screw (13) is symmetrically welded to the two ends of the top of the clamping seat (7). The boss (14) is integrally formed and symmetrically connected to the front and rear ends of the top of the clamping seat (7). The clamping plate (15) is placed on the top of the clamping seat (7).

4. The device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity according to claim 3, characterized in that: The clamping plate (15) is mounted on the fastening screw (13), and a groove (16) and a fastening nut (17) are provided on the clamping plate (15). The groove (16) is symmetrically opened at the front and rear ends of the bottom of the clamping plate (15), and the groove (16) is mounted on the boss (14). The fastening nut (17) is symmetrically placed at the two ends of the top of the clamping plate (15), and the fastening nut (17) is threadedly connected to the fastening screw (13).

5. The device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity according to claim 1, characterized in that: The two ends of the bottom of the rear end clamping seat (7) are symmetrically connected to docking arms (18) by screws, and the lower ends of the docking arms (18) penetrate and extend to below the bottom of the through slot (5), and the left docking arm (18) is threadedly connected to the transmission screw (2), and the right docking arm (18) is sleeved on the guide shaft (3).

6. The device for detecting the performance of an electromagnetic shielding film with good high-frequency conductivity according to claim 1, characterized in that: The PLC control cabinet (4) is electrically connected to the laser distance sensor (6) and the stepping motor (9) respectively through wires.

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