Ceramic capacitor aging test device

Abstract

The utility model discloses a ceramic capacitor aging test device, which belongs to the technical field of aging test equipment and comprises an operation table, a support frame is fixedly connected to the middle of the top end of the operation table close to the rear side wall, and a sliding seat with a convex cross section is slidably connected into a sliding groove formed in the front side wall of the support frame. A moving plate is fixedly connected to the front end of the sliding seat, and a mounting frame is fixedly connected to the bottom end of the moving plate; when the ceramic capacitor aging test device is used, capacitors to be detected can be respectively placed in the plurality of placing holes on the placing plate, the motor drives the screw rod to rotate, the moving plate is promoted to drive the mounting rack to move downwards, the mounting rack drives the plurality of conductive probes to move downwards, and in the moving-down process, the conductive probes are driven by the moving plate to move downwards. And first inclined planes at the bottom ends of the two inverted-L-shaped pressing rods extrude second inclined planes at the top ends of the L-shaped guide rods, so that the two L-shaped guide rods move oppositely, and the two clamping plates can clamp and fix the placing plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of aging test equipment, and specifically relates to a ceramic capacitor aging test device. Background Art

[0002] Ceramic capacitors refer to capacitors made of high dielectric constant ceramic barium titanate and titanium oxide squeezed into round tubes, discs or disks as the medium, and silver plated on the ceramic as the electrode by the sintering method. It is divided into high-frequency ceramic dielectrics and low-frequency ceramic dielectrics.

[0003] The ceramic capacitor aging test device with the authorization announcement number CN218272527U includes a base frame, an operating table is fixedly installed on the top of the base frame, a long groove is provided on the top of the operating table, and a groove is provided inside the operating table. The utility model sets a mounting plate, a movable plate, a motion plate and a baffle. When the operator starts the brake motor, the mounting plate will be driven to rotate through the connecting column, and then the mounting rod will be driven to rotate through the mounting plate, so that the movable plate will be driven to rotate. At the same time, due to the hinge between the outer surface of the movable plate and the motion plate, the two motion plates will be driven to move toward each other on the outer surface of the limit rod through the movable plate, and the connecting block and the two baffles will be driven to move through the two motion plates, so that the operator can position the placement plate through the two baffles, making it convenient for the operator to position the placement plate.

[0004] It allows operators to conduct inspections, which brings convenience to operators.

[0005] Although the above application can clamp and fix the placement plate when testing the capacitor, it has a complex structure and requires an additional motor to drive it, which has a high investment cost and is not conducive to production and manufacturing. Therefore, a ceramic capacitor aging test device is needed. Utility Model Content

[0006] The purpose of the utility model is to provide a ceramic capacitor aging test device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ceramic capacitor aging test device, comprising an operating table, a support frame is fixedly connected to a position near the rear side wall at the middle of the top of the operating table, a sliding seat with a convex cross-section is slidably connected in a sliding groove provided on the front side wall of the support frame, a movable plate is fixedly connected to the front end of the sliding seat, a mounting frame is fixedly connected to the bottom end of the movable plate, a plurality of conductive probes arranged in a rectangular array are fixedly connected to the bottom end of the mounting frame, a placement groove is provided on the top of the operating table, a placement plate is placed in the middle of the placement groove, a plurality of placement holes for placing ceramic capacitors are provided on the top of the placement plate, a screw is threadedly connected to the sliding seat, both ends of the screw are rotatably connected to the sliding groove, the top of the screw extends to the top of the support frame and is connected to the output shaft of the motor, the motor is fixedly connected to the top of the support frame, a transmission positioning member is connected between the movable plate and the operating table, and the transmission positioning member is used to clamp and fix the placement plate.

[0008] As a preferred embodiment, the transmission positioning member includes an inverted L-shaped pressure rod fixedly connected to both side walls of the movable plate, and an L-shaped guide rod is provided directly below the bottom of the inverted L-shaped pressure rod. The two L-shaped guide rods are slidably mounted on the outside of a guide seat with a same vertical cross-section that is an inverted isosceles trapezoidal structure, and the guide seat is fixed to the top of the operating table.

[0009] As a preferred embodiment, the front ends of the two L-shaped guide rods are fixedly connected with clamping plates, and the two clamping plates slide in the placement grooves.

[0010] As a preferred embodiment, the bottom ends of the two inverted L-shaped pressing rods are each provided with a first inclined surface, and the top ends of the two L-shaped guide rods are each provided with a second inclined surface matched with the first inclined surface.

[0011] As a preferred embodiment, the two inverted L-shaped pressure rods are provided with movable through grooves for facilitating the insertion of the top end of the L-shaped guide rod, and the operating table is provided with through openings for facilitating the insertion of the bottom end of the inverted L-shaped pressure rod.

[0012] As a preferred embodiment, a first plug block with an isosceles trapezoidal cross-section is movably inserted into a first slot opened on the side wall opposite to each other of the two clamping plates, and a second plug block with a convex cross-section is fixedly connected to one end of the first plug block away from the clamping plate through a tension spring, and the second plug block is movably inserted into a second slot opened on the inner wall of the placement groove.

[0013] Compared with the prior art, the ceramic capacitor aging test device provided by the utility model has at least the following beneficial effects:

[0014] In the utility model, when the ceramic capacitor aging test device is used, the capacitors to be tested can be placed in each of the multiple placement holes on the placement plate, and the motor drives the screw to rotate, and prompts the movable plate to drive the mounting frame to move downward, and the mounting frame drives the multiple conductive probes to move downward, and during the downward movement, the first inclined surfaces at the bottom ends of the two inverted L-shaped pressure rods squeeze the second inclined surface at the top end of the L-shaped guide rod, so that the two L-shaped guide rods move relative to each other, and prompt the two clamping plates to clamp and fix the placement plate, and the setting of the movable through groove and the through-hole makes the downward movement of the inverted L-shaped pressure rod not hindered by the top of the L-shaped guide rod, so that the positioning of the placement plate can be achieved without using an additional motor to drive, and the investment cost is low, the structure is simple, and it is easy to produce and manufacture. At the same time, the tension spring cooperates with the setting of the first plug block and the second plug block, and can be replaced in time after the elastic performance is reduced after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional first-view structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall three-dimensional second viewing angle structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0019] In the figure: 1. operating table; 11. supporting frame; 12. sliding seat; 13. moving plate; 14. mounting frame; 15. screw rod; 16. motor; 2. transmission positioning member; 21. inverted L-shaped pressure rod; 211. movable through groove; 212. through-hole; 22. L-shaped guide rod; 221. guide seat; 23. clamping plate; 24. first plug-in block; 25. tension spring; 26. second plug-in block; 3. placement plate; 31. placement hole; 32. placement groove. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] Although the above application can clamp and fix the placement plate 3 when detecting the capacitance, the structure is complicated and an additional motor 16 is required for driving, which has a high investment cost and is not conducive to production and processing;

[0024] To do this, see Figure 1-4 The utility model provides a ceramic capacitor aging test device, comprising: an operating table 1, a support frame 11 is fixedly connected to the middle of the top of the operating table 1 near the rear side wall, a sliding seat 12 with a convex cross-section is slidably connected in a sliding groove provided on the front side wall of the support frame 11, a moving plate 13 is fixedly connected to the front end of the sliding seat 12, a mounting frame 14 is fixedly connected to the bottom end of the moving plate 13, a plurality of conductive probes arranged in a rectangular array are fixedly connected to the bottom end of the mounting frame 14, and a placement slot 32 is opened on the top of the operating table 1, A placement plate 3 is placed in the middle of the placement groove 32, and a plurality of placement holes 31 for placing ceramic capacitors are opened at the top of the placement plate 3. A screw 15 is threadedly connected to the sliding seat 12, and both ends of the screw 15 are rotatably connected to the sliding groove. The top of the screw 15 extends to the top of the support frame 11 and is connected to the output shaft of the motor 16. The motor 16 is fixedly connected to the top of the support frame 11. A transmission positioning member 2 is connected between the moving plate 13 and the operating table 1, and the transmission positioning member 2 is used to clamp and fix the placement plate 3.

[0025] Further as Figure 1-4As shown, it is worth specifically explaining that in order to facilitate the downward movement of the moving plate 13 to actively realize the positioning of the placement plate 3, a transmission positioning member 2 is provided, which includes an inverted L-shaped pressure rod 21 fixedly connected to the two side walls of the moving plate 13, and an L-shaped guide rod 22 is provided just below the bottom of the inverted L-shaped pressure rod 21. The two L-shaped guide rods 22 are slidably sleeved on the outside of a guide seat 221 with a same vertical cross-section having an inverted isosceles trapezoidal structure. The guide seat 221 is fixed to the top of the operating table 1, and the front ends of the two L-shaped guide rods 22 are fixedly connected to a clamping plate 23, and the two clamping plates 23 slide in the placement groove 32. The bottom ends of the two inverted L-shaped pressure rods 21 are provided with There is a first inclined surface, and the top end of the L-shaped guide rod 22 is provided with a second inclined surface adapted to the first inclined surface. The two inverted L-shaped pressure rods 21 are provided with a movable through groove 211 for the top end of the L-shaped guide rod 22 to penetrate. The operating table 1 is penetrated with a through hole 212 for the bottom end of the inverted L-shaped pressure rod 21 to be inserted. The first slots opened on the opposite side walls of the two clamping plates 23 are movably inserted with first plug blocks 24 with an isosceles trapezoidal cross-section structure. The end of the first plug block 24 away from the clamping plate 23 is fixedly connected with a second plug block 26 with a convex cross-section structure through a tension spring 25. The second plug block 26 is movably inserted into the second slot opened on the inner wall of the placement groove 32.

[0026] Among them, the setting of the movable through groove 211 ensures that the downward movement of the inverted L-shaped pressure rod 21 is not hindered by the top of the L-shaped guide rod 22. After being used for a long time, the tension spring 25 can be quickly set through the first plug block 24 and the second plug block 26, so that the tension spring 25 can be easily replaced.

[0027] In summary: when using the ceramic capacitor aging test device, the capacitor to be tested can be placed in each of the multiple placement holes 31 on the placement plate 3, and the motor 16 drives the screw 15 to rotate, and prompts the movable plate 13 to drive the mounting frame 14 to move downward, and the mounting frame 14 drives the multiple conductive probes to move downward, and during the downward movement, the first inclined surfaces at the bottom ends of the two inverted L-shaped pressure rods 21 squeeze the second inclined surfaces at the top ends of the L-shaped guide rods 22, so that the two L-shaped guide rods 22 move relative to each other, and prompt the two clamping plates 23 to clamp and fix the placement plate 3, and the setting of the movable through groove 211 and the through hole 212 makes the downward movement of the inverted L-shaped pressure rod 21 not hindered by the top of the L-shaped guide rod 22, so that there is no need to use an additional motor 16 to drive the positioning of the placement plate 3, and the investment cost is low, the structure is simple, and it is easy to produce and manufacture. At the same time, the tension spring 25 cooperates with the setting of the first plug block 24 and the second plug block 26, and can be replaced in time after the elastic performance is reduced after long-term use.

[0028] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

[0029] 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 ceramic capacitor aging test device, comprising an operating table (1), a support frame (11) is fixedly connected to the middle of the top of the operating table (1) near the rear side wall, a sliding seat (12) having a convex cross-section is slidably connected in a sliding groove provided on the front side wall of the support frame (11), a moving plate (13) is fixedly connected to the front end of the sliding seat (12), a mounting frame (14) is fixedly connected to the bottom end of the moving plate (13), a plurality of conductive probes arranged in a rectangular array are fixedly connected to the bottom end of the mounting frame (14), and the operating table (1) A placement groove (32) is provided at the top of the placement groove (32), a placement plate (3) is placed in the middle of the placement groove (32), a plurality of placement holes (31) for placing ceramic capacitors are provided at the top of the placement plate (3), a screw rod (15) is threadedly connected to the sliding seat (12), both ends of the screw rod (15) are rotatably connected to the sliding groove, the top end of the screw rod (15) extends to the top of the support frame (11) and is connected to the output shaft of the motor (16), the motor (16) is fixedly connected to the top of the support frame (11), and is characterized in that A transmission positioning member (2) is connected between the movable plate (13) and the operating table (1), and the transmission positioning member (2) is used to clamp and fix the placement plate (3).

2. A ceramic capacitor aging test device according to claim 1, characterized in that: The transmission positioning member (2) comprises an inverted L-shaped pressure rod (21) fixedly connected to both side walls of the movable plate (13); an L-shaped guide rod (22) is provided directly below the bottom of the inverted L-shaped pressure rod (21); the two L-shaped guide rods (22) are slidably sleeved on the outside of a guide seat (221) having a vertical cross-section in the form of an inverted isosceles trapezoidal structure; the guide seat (221) is fixedly connected to the top of the operating table (1).

3. A ceramic capacitor aging test device according to claim 2, characterized in that: The front ends of the two L-shaped guide rods (22) are both fixedly connected with a clamping plate (23), and the two clamping plates (23) are both slidable in the placement groove (32).

4. A ceramic capacitor aging test device according to claim 3, characterized in that: The bottom ends of the two inverted L-shaped pressing rods (21) are each provided with a first inclined surface, and the top ends of the L-shaped guide rods (22) are each provided with a second inclined surface matched with the first inclined surface.

5. A ceramic capacitor aging test device according to claim 4, characterized in that: The two inverted L-shaped pressure rods (21) are each provided with a movable through slot (211) for facilitating the insertion of the top end of the L-shaped guide rod (22), and the operating table (1) is each provided with a through opening (212) for facilitating the insertion of the bottom end of the inverted L-shaped pressure rod (21).

6. A ceramic capacitor aging test device according to claim 5, characterized in that: A first plug block (24) having an isosceles trapezoidal cross section is movably inserted into a first slot opened on a side wall opposite to the two clamping plates (23); one end of the first plug block (24) facing away from the clamping plate (23) is fixedly connected to a second plug block (26) having a convex cross section via a tension spring (25); the second plug block (26) is movably inserted into a second slot opened on the inner wall of the placement groove (32).

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