Metallized film processing electrical property testing device

Abstract

The utility model discloses an electrical testing device for metallized film processing, which relates to the technical field of metallized film testing and comprises a base, a support table and a testing mechanism, the testing mechanism comprises a movable seat, and an edge pressing component for fixing a metallized film is arranged outside a mounting column; according to the utility model, through the arrangement of the edge pressing part, when the movable seat carries the mounting column and the probe to slide down as a whole, the pressing plate in the edge pressing part can be in contact with the side edge of the metallized film in advance, and the pressing seat can relatively keep fixed to slide along the outer wall of the mounting column when the movable seat further moves down; the probe penetrates out of the through hole until the probe is in contact with the side edge of the metallized film, and the sliding sheet relatively slides down in the sliding groove and compresses the compression spring to deform, so that the compression effect of the pressing plate on the metallized film is improved by utilizing the elastic force of the compression spring, and the automatic edge pressing effect of the metallized film is realized; the stability of the metallized film in the electrical test is ensured, manual fixing operation is not needed, and the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metallized film testing, in particular to a metallized film processing electrical property testing device. Background Art

[0002] Metallized film capacitors are capacitors made of organic plastic film as dielectric and metallized film as electrode by winding (except for laminated structure). The films used in metallized film capacitors include polyethylene, polypropylene, polycarbonate, etc. In addition to winding type, there are also laminated types. Among them, polyester film dielectric and polypropylene film dielectric are the most widely used.

[0003] During the production and processing of metallized films, it is necessary to conduct random electrical testing on the products to ensure that the resistance of the products is within the qualified range. The traditional testing method uses a tester. The operator fixes the sample to be tested at a specified position, and then uses several probes to contact the edge of the sample for testing. After the test is completed, the sample is removed and the next test is performed. This testing method is cumbersome and inefficient. Utility Model Content

[0004] In order to solve the above technical problems, a metallized film processing electrical testing device is provided, which solves the problem that the testing method in the prior art uses a tester, in which the operator fixes the sample to be tested at a specified position, and then uses several probes to contact the edge of the sample for testing. After the test is completed, the sample is removed and the next test is performed. Such a testing method is cumbersome and inefficient.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a metallized film processing electrical property testing device, comprising a base, a support platform arranged above the base, and a testing mechanism arranged between the base and the support platform, wherein brackets are fixed between the four corners of the bottom surface of the support platform and the base;

[0006] The testing mechanism comprises a movable seat with an open bottom surface and slidingly arranged between the base and the support platform, two slide seats are symmetrically slidably arranged on the inner side of the movable seat, a plurality of mounting posts are fixed at equal intervals on the bottom surface of the slide seat, a probe is vertically fixed on the bottom surface of the mounting post, a pressing edge component for fixing the metallized film is arranged outside the mounting post, an adjusting component for adjusting the distance between the two slide seats is arranged between the two slide seats, and a transmission component matched with the adjusting component is arranged on one side of the movable seat;

[0007] The edge pressing component includes a clamping seat in the shape of a rectangular frame and arranged below the sliding seat, and a pressing plate fixed to the bottom end of the clamping seat. Several mounting columns are located on the inner side of the clamping seat. The pressing plate is provided with a through hole corresponding to the probe. A sliding groove is provided on the side wall of the clamping seat, and an elastic clamping member is provided in the sliding groove.

[0008] Preferably, the elastic clamping member includes a sliding plate slidably arranged in the sliding groove and fixed perpendicularly to the side wall of the mounting column, a fixing plate fixed perpendicularly to the outer wall of the clamping seat is arranged below the sliding plate, and a compression spring is fixed between the sliding plate and the fixing plate.

[0009] Preferably, the adjusting component comprises two bidirectional screws symmetrically distributed between the two slide seats, two ends of the bidirectional screws are respectively threadedly penetrated through the two slide seats, and are respectively rotatably connected to the inner walls on both sides of the movable seat.

[0010] Preferably, the transmission component includes two symmetrically distributed transmission columns and a transmission belt connected between the two transmission columns. The two transmission columns are rotated to penetrate into the movable seat and are respectively fixed to one end of the two bidirectional screws. One end of one of the transmission columns away from the movable seat is fastened with a handwheel.

[0011] Preferably, a cylinder is installed between the movable seat and the support platform.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] (1) Through the setting of the edge pressing component, when the movable seat carrying the mounting column and the probe slides down as a whole, the pressure plate in the edge pressing component can pre-contact the side of the metallized film, and the clamping seat can remain relatively fixed and slide up along the outer wall of the mounting column when the movable seat moves further down, so that the probe passes through the perforation until it contacts the side of the metallized film, and the slide slides relatively in the slide groove and compresses the clamping spring to deform, and then utilizes the elastic force of the clamping spring to increase the clamping effect of the pressure plate on the metallized film, thereby achieving the effect of automatic edge pressing of the metallized film, that is, ensuring the stability of the metallized film during electrical testing, and eliminating the need for manual fixing operations, thereby improving convenience.

[0014] (2) By adjusting the settings of the adjustment components and the transmission components and turning the hand wheel, when one of the transmission columns is rotated, the other transmission column can be synchronously rotated under the action of the transmission belt. In this way, the two transmission columns and the bidirectional screw rotate synchronously, so that the two slides slide away from or close to each other on the inner side of the movable seat under the threaded structure, thereby facilitating the quick adjustment of the spacing between the mounting columns and the probes on the two sets of slides according to the size of the metallized film to be tested, so as to facilitate the testing of metallized films of different sizes and improve the scope of application.

[0015] (3) The elastic force of the clamping spring is utilized to move the movable seat upward, so that when the pressure plate is separated from the metallized film, the pressure plate and the clamping seat as a whole can be quickly moved downward, so that the probe is retracted inside the clamping seat. In this way, the clamping seat is utilized to hide and protect the probe, so as to prevent the probe from being damaged by accidental touch when the metallized film is taken and placed. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the bottom surface structure of the movable seat of the utility model;

[0018] Figure 3 It is a schematic diagram of the inner structure of the movable seat of the utility model.

[0019] The numbers in the figure are:

[0020] 1. Base; 2. Support platform; 3. Movable seat; 4. Cylinder; 5. Sliding seat; 6. Mounting column; 7. Probe; 8. Clamping seat; 9. Pressure plate; 10. Sliding piece; 11. Fixed piece; 12. Clamping spring; 13. Bidirectional screw; 14. Transmission column; 15. Transmission belt; 16. Handwheel. DETAILED DESCRIPTION

[0021] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0022] Reference Figure 1-3 As shown, a metallized film processing electrical property testing device comprises a base 1, a support 2 arranged above the base 1, and a testing mechanism arranged between the base 1 and the support 2, wherein brackets are fixed between the four corners of the bottom surface of the support 2 and the base 1;

[0023] The testing mechanism comprises a movable seat 3 with an open bottom surface and slidably arranged between a base 1 and a support 2, two slide seats 5 are symmetrically slidably arranged on the inner side of the movable seat 3, a plurality of mounting posts 6 are equidistantly fixed on the bottom surface of the slide seat 5, and a probe 7 is vertically fixed on the bottom surface of the mounting post 6;

[0024] A cylinder 4 is installed between the movable seat 3 and the support platform 2;

[0025] When in use, the metallized film to be tested is placed on the base 1 in advance, and then the cylinder 4 is turned on to move the movable seat 3, the slide seat 5, the mounting column 6 and the probe 7 downward as a whole until the probe 7 contacts the edge of the metallized film. The probe 7 can then perform electrical testing on the metallized film.

[0026] Further, refer to Figure 2 and Figure 3 As shown, it is worth noting that a pressing edge component for fixing the metallized film is provided outside the mounting column 6;

[0027] The edge pressing component includes a pressing seat 8 in a rectangular frame shape arranged below the slide seat 5 and a pressing plate 9 fixed to the bottom end of the pressing seat 8. A plurality of mounting posts 6 are located inside the pressing seat 8. The pressing plate 9 is provided with a through hole corresponding to the probe 7. A sliding groove is provided on the side wall of the pressing seat 8, and an elastic pressing member is provided in the sliding groove.

[0028] The elastic pressing member includes a sliding plate 10 which is slidably arranged in the sliding groove and fixed vertically to the side wall of the mounting column 6, a fixing plate 11 which is fixed vertically to the outer wall of the pressing seat 8 is arranged below the sliding plate 10, and a pressing spring 12 is fixed between the sliding plate 10 and the fixing plate 11;

[0029] By setting the edge pressing component, when the movable seat 3 carrying the mounting column 6 and the probe 7 slide down as a whole, the pressing plate 9 in the edge pressing component can contact the side of the metallized film in advance, and the clamping seat 8 can be relatively fixed and slide up along the outer wall of the mounting column 6 when the movable seat 3 moves further downward, so that the probe 7 passes through the perforation until it contacts the side of the metallized film, and the slide 10 slides relatively in the slide groove and compresses the clamping spring 12 to deform, and then the elastic force of the clamping spring 12 is used to increase the clamping effect of the pressing plate 9 on the metallized film, so as to achieve the effect of automatic edge pressing of the metallized film, that is, to ensure the stability of the metallized film during electrical testing, and to improve convenience without manual fixing operations;

[0030] And by utilizing the elastic force of the clamping spring 12, the movable seat 3 is moved upward, so that when the pressure plate 9 is separated from the metallized film, the pressure plate 9 and the clamping seat 8 can be quickly moved downward as a whole, so that the probe 7 is retracted inside the clamping seat 8. In this way, the clamping seat 8 is utilized to hide and protect the probe 7 to prevent the probe 7 from being accidentally damaged by human touch when the metallized film is taken and placed.

[0031] Further, refer to Figure 3 As shown, it is worth noting that an adjusting component for adjusting the distance between the two slide seats 5 is provided between the two slide seats 5, and a transmission component cooperating with the adjusting component is provided on one side of the movable seat 3;

[0032] The adjusting component includes two bidirectional screws 13 symmetrically distributed between the two slide seats 5. The two ends of the bidirectional screws 13 are threaded through the two slide seats 5 and are respectively connected to the inner walls of the two sides of the movable seat 3 for rotation.

[0033] The transmission component includes two symmetrically distributed transmission columns 14 and a transmission belt 15 connected between the two transmission columns 14. The two transmission columns 14 are rotated to penetrate into the movable seat 3 and are respectively fixed to one end of the two bidirectional screws 13. One end of one of the transmission columns 14 away from the movable seat 3 is tightly sleeved with a hand wheel 16.

[0034] By adjusting the settings of the components and the transmission components and turning the hand wheel 16, when one of the transmission columns 14 is rotated, the other transmission column 14 can rotate synchronously under the action of the transmission belt 15, so that the two transmission columns 14 and the bidirectional screw 13 rotate synchronously, so that the two slides 5 slide away from or close to each other on the inner side of the movable seat 3 under the threaded structure, thereby facilitating the rapid adjustment of the spacing between the mounting columns 6 and the probes 7 on the two sets of slides 5 according to the size of the metallized film to be tested, so as to facilitate the testing of metallized films of different sizes and improve the scope of application.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A metallized film processing electrical property testing device, characterized in that: It comprises a base (1), a support platform (2) arranged above the base (1), and a testing mechanism arranged between the base (1) and the support platform (2), wherein brackets are fixed between the four corners of the bottom surface of the support platform (2) and the base (1); The testing mechanism comprises a movable seat (3) with an open bottom surface and slidably arranged between the base (1) and the support (2); two slide seats (5) are symmetrically slidably arranged on the inner side of the movable seat (3); a plurality of mounting posts (6) are equidistantly fixed on the bottom surface of the slide seat (5); a probe (7) is vertically fixed on the bottom surface of the mounting post (6); a pressing edge component for fixing the metallized film is arranged outside the mounting post (6); an adjusting component for adjusting the distance between the two slide seats (5) is arranged between the two slide seats (5); and a transmission component cooperating with the adjusting component is arranged on one side of the movable seat (3); The edge pressing component includes a clamping seat (8) in the shape of a rectangular frame and arranged below the slide seat (5) and a pressing plate (9) fixed to the bottom end of the clamping seat (8). Several mounting columns (6) are located on the inner side of the clamping seat (8). The pressing plate (9) is provided with a through hole corresponding to the probe (7). A sliding groove is provided on the side wall of the clamping seat (8), and an elastic clamping member is provided in the sliding groove.

2. A metallized film processing electrical property testing device according to claim 1, characterized in that: The elastic clamping member comprises a sliding plate (10) which is slidably arranged in the sliding groove and fixed perpendicularly to the side wall of the mounting column (6); a fixing plate (11) which is fixed perpendicularly to the outer wall of the clamping seat (8) is arranged below the sliding plate (10); and a clamping spring (12) is fixed between the sliding plate (10) and the fixing plate (11).

3. The electrical property testing device for metallized film processing according to claim 1, characterized in that: The adjusting component comprises two bidirectional screw rods (13) symmetrically distributed between the two slide seats (5), and the two ends of the bidirectional screw rods (13) are respectively threadedly penetrated through the two slide seats (5) and are respectively connected to the inner walls of the two sides of the movable seat (3) for rotation.

4. The electrical property testing device for metallized film processing according to claim 3, characterized in that: The transmission component comprises two symmetrically distributed transmission columns (14) and a transmission belt (15) connected between the two transmission columns (14). The two transmission columns (14) are rotated to penetrate into the movable seat (3) and are respectively fixedly connected to one end of the two bidirectional screw rods (13). One end of one of the transmission columns (14) away from the movable seat (3) is tightly sleeved with a hand wheel (16).

5. The metallized film processing electrical property testing device according to claim 1, characterized in that: A cylinder (4) is installed between the movable seat (3) and the support platform (2).

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