CN115921354A

CN115921354A - Efficient ceramic capacitor defect nondestructive test device

Info

Publication number: CN115921354A
Application number: CN202211595467.6A
Authority: CN
Inventors: 康少敏
Original assignee: Nanjing Xinyuyue Electronics Co ltd
Current assignee: Nanjing Xinyuyue Electronics Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-07

Abstract

The invention discloses an efficient nondestructive testing device for defects of a ceramic capacitor, and relates to the technical field of capacitor testing. This efficient ceramic capacitor defect nondestructive test device, the on-line screen storage device comprises a base the fixed surface of base is provided with examines test table, the surface of examining test table is provided with capacitor body through sorting device, sorting device is used for sorting good products and the substandard product of capacitor body, the fixed surface of base is provided with the leading truck, the top of leading truck is provided with the fixed detection cylinder that is provided with, the one end that detects the cylinder output shaft runs through the leading truck and fixes being provided with the housing. The sorting device has the advantages of automatically sorting qualified ceramic capacitor products and defective ceramic capacitor products, reducing the delivery rate of defective ceramic capacitor products, and solving the problems that the finished ceramic capacitor products and the defective ceramic capacitor products are sorted manually, so that workers are tired easily, the finished ceramic capacitor products and the defective ceramic capacitor products are not separated thoroughly, and the delivery rate of the defective ceramic capacitor products is increased.

Description

Efficient ceramic capacitor defect nondestructive test device

Technical Field

The invention relates to the technical field of capacitor detection, in particular to an efficient nondestructive detection device for defects of a ceramic capacitor.

Background

The ceramic capacitor is also called as a ceramic dielectric capacitor or a monolithic capacitor, the ceramic capacitor is a capacitor with ceramic as a dielectric material, and can be divided into a low-frequency ceramic capacitor and a high-frequency ceramic capacitor according to the difference of ceramic materials, and the low-frequency ceramic capacitor and the high-frequency ceramic capacitor are classified according to the structural form, and after the ceramic capacitor is produced, whether the resistance of the ceramic capacitor is qualified needs to be detected.

For example, publication numbers are: CN214669205U discloses a condenser insulation resistance detection device, detects the cooperation design of adaptation structure and side direction synchronous detection structure through going up and down for the device is convenient for accomplish to the multidirectional automatic adaptation adjustment in the electric capacity testing process, thereby is convenient for carry out the convenient contact detection of adaptability to the condenser of different volumes and design, has improved the detection convenience greatly.

At present, when the ceramic capacitor is detected, the detection end is mostly contacted with the detected end to detect qualified products and defective products, but finished products and defective products are generally sorted manually, so that workers are prone to fatigue, the finished products and defective products are possibly not completely separated, and the factory rate of the defective products is improved.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides an efficient nondestructive testing device for the defects of the ceramic capacitor, which solves the problems that the finished products and the defective products are generally sorted manually, so that workers are easy to tire, the finished products and the defective products are possibly not completely separated, and the delivery rate of the defective products is improved.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-efficiency nondestructive testing device for defects of ceramic capacitors comprises a base, wherein a testing table is fixedly arranged on the surface of the base, a capacitor body is arranged on the surface of the testing table through a sorting device, and the sorting device is used for sorting non-defective products and defective products of the capacitor body;

the fixed surface of base is provided with the leading truck, the fixed detection cylinder that is provided with in top of leading truck, the one end that detects the cylinder output shaft runs through the fixed housing that is provided with of leading truck, the housing passes through the inside wall swing joint of guide bar and leading truck, the surface of housing is provided with positive pole detector and negative pole detector respectively, the bottom activity of housing is provided with anodal detection pen and negative pole detection pen.

Furthermore, the sorting device comprises a groove, a driving motor, a detection plate, a driving air cylinder and an inferior-quality product slide way, wherein the groove is formed in the surface of the detection table, the driving motor is fixedly connected with the inner side wall of the groove through a flange plate, the output shaft of the driving motor is fixedly connected to one side of the detection plate, the other side of the detection plate is connected with the inner side wall of the groove through a connecting shaft, the capacitor body is movably arranged on the surface of the detection plate, the driving air cylinder is fixedly arranged on the surface of the detection table, and the inferior-quality product slide way is fixedly arranged on the surface of the detection table.

Furthermore, the surface of the detection plate is fixedly provided with a positioning frame, and pins of the capacitor body penetrate through the positioning frame in a movable mode.

Furthermore, a driving shaft is arranged on the surface of the base through a connecting frame, a connecting shaft is movably arranged on the surface of the connecting frame, the conveying belt is movably sleeved on the surface of the connecting frame, the driving shaft and the connecting shaft are both movably connected with the conveying belt, a rotating motor is arranged on the surface of the connecting frame, and an output shaft of the rotating motor penetrates through the connecting frame and is fixedly connected with the driving shaft.

Further, the end fixing of connecting axle is provided with the regulating part, regulating part swing joint is in the side of link, the surface of regulating part passes through spacing screw and link threaded connection.

Furthermore, the surface of the base is provided with a collecting box, and the bottom of the collecting box is provided with universal wheels.

Further, the fixed surface of examining test table is provided with the stopper, the fixed surface of housing is provided with the limiting plate.

Further, the surface activity of stopper is provided with the fixed plate, the surface of fixed plate is provided with the buffer board through buffer spring, buffer spring's one end fixed connection is on the surface of fixed plate, buffer spring's other end fixed connection is on the surface of buffer board.

Furthermore, the surface of the fixing plate is connected with the limiting block through a fixing bolt.

Further, the bottom of housing is through the fixed left external member that is provided with of connecting block, the surface of left side external member is provided with right external member through spacing bolt, anodal test pen and negative pole test pen all with left external member and right external member swing joint, anodal test pen and negative pole test pen all with the bottom swing joint of housing.

Advantageous effects

The invention has the following beneficial effects:

(1) This efficient ceramic capacitor defect nondestructive test device, through setting up sorting device, the surface of pick-up plate is placed to the capacitor body after will processing is accomplished, it stretches out to drive housing downstream to lead to outer detection cylinder output shaft, the housing drives positive pole test pen and negative pole test pen and contacts with two pins of capacitor body respectively, thereby detect resistance, when detecting qualified, automatically sort capacitor body to the qualification area through sorting device, when detecting unqualifiedly, sort capacitor body to the nonconforming area automatically through sorting device, it can sort ceramic capacitor qualification product and defective products automatically to have reached, it is efficient to sort, the advantage of defective products rate of leaving the factory has been reduced, it can adopt the manual mode to sort finished product and defective products usually to have solved, thereby lead to staff tired easily, and then can cause finished product and defective products to leave the factory the separation not thorough, the problem of defective products rate has been improved.

(2) This efficient ceramic capacitor defect nondestructive test device, through setting up stopper and limiting plate, positive pole detection pen and negative pole detection pen contact with two pins of capacitor body respectively, and the top contact of limiting plate and stopper has reached and to have carried on spacingly to the housing under the effect of stopper and limiting plate simultaneously, avoids crushing the pin of condenser, has solved and has driven actuating cylinder and not have the problem that the pin of braking probably will be crushed the condenser immediately.

(3) This efficient ceramic capacitor defect nondestructive test device, through setting up the conveyer belt, capacitor body is along the incline direction landing of pick-up plate, make capacitor body can fall the surface of conveyer belt, later start the rotation motor, it drives the drive shaft rotation to rotate the motor output shaft, the drive shaft drives the conveyer belt motion, the conveyer belt can drive the connecting axle and rotate, thereby the conveyer belt motion drives capacitor body motion, convey capacitor body to process on next step, reached can be automatically with the qualified condenser transportation after having detected, the problem that the qualified condenser transportation after having detected through the manual work is more time-consuming and energy-consuming has been solved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the surface structure of the inspection table according to the present invention;

FIG. 3 is a schematic view of a part of the detecting cylinder according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 5 is a schematic representation of the structure of a conveyor belt portion of the present invention.

In the figure, 1, a base; 2. a detection table; 3. a capacitor body; 4. a guide frame; 5. detecting a cylinder; 6. a housing; 7. a positive electrode detector; 8. a negative electrode detector; 9. a positive electrode detection pen; 10. a negative electrode detection pen; 11. a groove; 12. a drive motor; 13. detecting a plate; 14. a driving cylinder; 15. a defective product slide way; 16. a positioning frame; 17. a connecting frame; 18. a drive shaft; 19. a connecting shaft; 20. a conveyor belt; 21. rotating the motor; 22. an adjustment member; 23. a limiting screw; 24. a collection box; 25. a limiting block; 26. a limiting plate; 27. a fixing plate; 28. a buffer spring; 29. a buffer plate; 30. fixing the bolt; 31. a left sleeve member; 32. a limit bolt; 33. and (4) a right sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a technical solution: a high-efficiency nondestructive testing device for defects of ceramic capacitors comprises a base 1, wherein a testing table 2 is fixedly arranged on the surface of the base 1, a capacitor body 3 is arranged on the surface of the testing table 2 through a sorting device, and the sorting device is used for sorting non-defective products and defective products of the capacitor body 3;

base 1's fixed surface is provided with leading truck 4, the fixed detection cylinder 5 that is provided with in top of leading truck 4, the one end that detects 5 output shafts of cylinder runs through leading truck 4 and fixedly is provided with housing 6, housing 6 passes through the inside wall swing joint of guide bar and leading truck 4, the surface of housing 6 is provided with anodal detector 7 and negative pole detector 8 respectively, the bottom activity of housing 6 is provided with anodal test pen 9 and negative pole test pen 10.

Specifically, sorting device includes recess 11, driving motor 12, pick-up plate 13, drive actuating cylinder 14 and substandard product slide 15, recess 11 is seted up on the surface of examining test table 2, driving motor 12 passes through the inside wall fixed connection of ring flange with recess 11, driving motor 12 output shaft fixed connection is in one side of pick-up plate 13, the opposite side of pick-up plate 13 passes through connecting axle 19 and is connected with the inside wall of recess 11, capacitor body 3 activity sets up on the surface of pick-up plate 13, it sets up on the surface of examining test table 2 to drive actuating cylinder 14 fixed, substandard product slide 15 is fixed to be set up on the surface of examining test table 2.

In this embodiment, when detecting ceramic capacitor body 3 is qualified, control driving motor 12 work, later driving motor 12 output shaft drives pick-up plate 13 and rotates, make pick-up plate 13 rotate around the loose axle, thereby pick-up plate 13 drives capacitor body 3 slope, thereby make capacitor body 3 under the effect of self gravity, along the incline direction landing of pick-up plate 13, when detecting ceramic capacitor body 3 and surveying when the defective products, control driving cylinder 14 output shaft extrusion capacitor body 3, thereby drive capacitor body 3 and locating rack 16 and break away from, later promote capacitor body 3 to the surface of substandard product slide 15, make capacitor body 3 along the surface slip of substandard product slide 15 under self gravity, reached and to have sorted qualified product and defective product of capacitor body 3 automatically, sort efficiently.

Specifically, a positioning frame 16 is fixedly arranged on the surface of the detection plate 13, and pins of the capacitor body 3 movably penetrate through the positioning frame 16.

In this embodiment, place the surface of pick-up plate 13 with capacitor body 3 after the processing is accomplished, peg graft the pin of capacitor body 3 simultaneously and run through locating rack 16, fix a position capacitor body 3, avoid capacitor body 3 to place the skew.

Specifically, the surface of the base 1 is provided with a driving shaft 18 through a connecting frame 17, the surface of the connecting frame 17 is movably provided with a connecting shaft 19, the surface of the connecting frame 17 is movably sleeved with a conveyor belt 20, the driving shaft 18 and the connecting shaft 19 are both movably connected with the conveyor belt 20, the surface of the connecting frame 17 is provided with a rotating motor 21, and an output shaft of the rotating motor 21 penetrates through the connecting frame 17 and the driving shaft 18 to be fixedly connected.

In this embodiment, capacitor body 3 is along the incline direction landing of pick-up plate 13, make capacitor body 3 can drop the surface of conveyer belt 20, later start rotating motor 21, it drives drive shaft 18 and rotates to rotate motor 21 output shaft, drive shaft 18 drives the conveying and drives 20, conveyer belt 20 can drive connecting axle 19 and rotate, thereby conveyer belt 20 motion drives capacitor body 3 motion, convey capacitor body 3 to process on next step, thereby can transport capacitor body 3 after detecting automatically.

Specifically, an adjusting piece 22 is fixedly arranged at the end part of the connecting shaft 19, the adjusting piece 22 is movably connected to the side surface of the connecting frame 17, and the surface of the adjusting piece 22 is in threaded connection with the connecting frame 17 through a limiting screw 23.

In this embodiment, when using the conveyer belt 20 for a long time, the conveyer belt 20 may loosen, threaded hole is opened on the surface of the link 17, the limit bolt 32 runs through the inside wall threaded connection of the adjusting piece 22 and the threaded hole, the limit screw 23 is screwed, the limit screw 23 is separated from the adjusting piece 22, the connecting shaft 19 moves towards the direction far away from the link 17, thereby driving the adjusting piece 22 to move, the conveyer belt 20 is tensioned, the limit screw 23 is screwed again, the limit screw 23 is in close contact with the adjusting piece 22, and thereby the connecting shaft 19 is limited by the adjusting piece 22.

Specifically, the surface of the base 1 is provided with a collection box 24, and the bottom of the collection box 24 is provided with universal wheels.

In this embodiment, capacitor body 3 slides along the surface of substandard product slide 15 under the gravity of self, and capacitor body 3 can the landing to collect 24 in the case to can collect capacitor body 3 defective products through collecting box 24, the universal wheel through collecting box 24 bottom is convenient for collecting box 24 and is removed.

Specifically, the surface of the detection table 2 is fixed with a limiting block 25, and the surface of the housing 6 is fixed with a limiting plate 26.

In this embodiment, the positive electrode detection pen 9 and the negative electrode detection pen 10 contact with two pins of the capacitor body 3 respectively, and the limiting plate 26 contacts with the top of the limiting block 25, so that the housing 6 can be limited under the action of the limiting block 25 and the limiting plate 26, and the pins of the capacitor body 3 are prevented from being crushed due to the lack of instant braking.

Specifically, a fixed plate 27 is movably disposed on the surface of the stopper 25, a buffer plate 29 is disposed on the surface of the fixed plate 27 through a buffer spring 28, one end of the buffer spring 28 is fixedly connected to the surface of the fixed plate 27, and the other end of the buffer spring 28 is fixedly connected to the surface of the buffer plate 29.

In this embodiment, lead to the motion of peripheral hardware switch start detection cylinder 5 drive housing 6, housing 6 drives limiting plate 26 extrusion buffer board 29, and buffer board 29 extrudees buffer spring 28, makes buffer spring 28 compression to can slow down the buffering of housing 6, make anodal test pen 9 and negative pole test pen 10 slowly contact with capacitor body 3's pin.

Specifically, the surface of the fixing plate 27 is connected to the limiting block 25 through a fixing bolt 30.

In this embodiment, when the buffer spring 28 is damaged, the fixing bolt 30 is screwed to separate the fixing bolt 30 from the stopper 25 and the fixing plate 27, so that the fixing plate 27, the buffer spring 28, and the buffer plate 29 can be integrally replaced, and then the fixing bolt 30 is used for installation.

Specifically, the bottom of housing 6 is provided with left external member 31 through the connecting block is fixed, and the surface of left external member 31 is provided with right external member 33 through spacing bolt 32, and positive pole test pen 9 and negative pole test pen 10 all with left external member 31 and right external member 33 swing joint, positive pole test pen 9 and negative pole test pen 10 all with the bottom swing joint of housing 6.

In this embodiment, the limit bolt 32 is connected to the left sleeve 31 and the right sleeve 33 by threads, the limit bolt 32 is screwed to separate the limit bolt 32 from the left sleeve 31 and the right sleeve 33, and the right sleeve 33 is taken down from the surface of the left sleeve 31, so that the positive detection pen 9 and the negative detection pen 10 can be detached.

When the device is used, the processed capacitor body 3 is placed on the surface of the detection plate 13, meanwhile, pins of the capacitor body 3 are inserted and penetrated through the positioning frame 16 to position the capacitor body 3, so that an anode pin of the capacitor body 3 and an anode detection pen 9 are positioned at the same horizontal line, a cathode pin and a cathode detection pen 10 are positioned at the same horizontal line, then, the detection cylinder 5 is started through an external switch, an output shaft of the detection cylinder 5 extends out to drive the housing 6 to move downwards, the housing 6 drives the anode detection pen 9 and the cathode detection pen 10 to move, the housing 6 drives the limiting plate 26 to extrude the buffer plate 29, the buffer plate 29 extrudes the buffer spring 28 to compress the buffer spring 28, so that the housing 6 can be buffered and decelerated, and then the housing 6 drives the anode detection pen 9 to be in contact with the anode pin of the capacitor body 3, meanwhile, the negative electrode detection pen 10 is in contact with a negative electrode pin of the capacitor body 3, and the housing 6 is limited under the action of the limiting block 25 and the limiting plate 26, so that the situation that the pin of the capacitor body 3 is crushed without instant braking is avoided, the positive electrode detection pen 9 is electrically connected with the positive electrode detector 7, the positive electrode detector 7 measures the positive leakage resistance, the positive leakage current is smaller, the positive leakage current is larger, the positive leakage resistance is higher, the performance of the ceramic capacitor body 3 is better, the negative electrode detection pen 10 is electrically connected with the negative electrode detector 8, the negative electrode detector 8 detects the reverse leakage current, the measured reverse leakage current is larger than the positive leakage current, the reverse leakage resistance is smaller than the positive leakage resistance, the product is qualified, and if the two leakage resistance values are measured below hundreds of kiloohms, the product performance is poor;

when the ceramic capacitor body 3 is detected to be qualified, the detected signal is sent to a processing system, the processing system processes the received signal, then the processing system sends the signal to a driving circuit of the driving motor 12, then the driving motor 12 is controlled to work, then an output shaft of the driving motor 12 drives the detection plate 13 to rotate, the detection plate 13 rotates around the connecting shaft 19, so that the detection plate 13 drives the capacitor body 3 to incline, the capacitor body 3 slides along the inclined direction of the detection plate 13 under the action of self gravity, the capacitor body 3 is separated from the positioning frame 16, the capacitor body 3 falls onto the surface of the conveying belt 20, the output shaft of the driving motor 12 rotates reversely, so that the detection plate 13 is driven to reset, the driving motor 12 stops working, then the rotating motor 21 is started, the output shaft of the rotating motor 21 drives the driving shaft 18 to rotate, the driving shaft 18 drives the conveying belt 20 to drive the conveying shaft 20, the conveying belt 20 drives the connecting shaft 19 to rotate, the conveying belt 20 moves so as to drive the capacitor body 3 to move, and the capacitor body 3 is conveyed to the next step;

when the ceramic capacitor body 3 to be detected is a defective product, the detected signal is sent to a processing system, the processing system processes the received signal, then the processing system sends the signal to a driving circuit of the driving cylinder 14, the output shaft of the driving cylinder 14 is controlled to extend out, the output shaft of the driving cylinder 14 extrudes the capacitor body 3, so that the capacitor body 3 is driven to be separated from the positioning frame 16, then the capacitor body 3 is pushed to the surface of the defective product slide way 15, the capacitor body 3 slides along the surface of the defective product slide way 15 under the self gravity, the capacitor body 3 is separated from the driving cylinder 14, then the driving cylinder 14 resets, the capacitor body 3 can slide into the collecting box 24, defective products of the capacitor body 3 can be collected through the collecting box 24, after the detection is finished, other capacitor bodies 3 to be detected are placed on the bottom surface of the detection board 13, and the actions are repeated, so that the detection is carried out.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high-efficient ceramic capacitor defect nondestructive test device, includes base (1), its characterized in that: the surface of the base (1) is fixedly provided with a detection table (2), the surface of the detection table (2) is provided with a capacitor body (3) through a sorting device, and the sorting device is used for sorting non-defective products and defective products of the capacitor body (3);

the fixed surface of base (1) is provided with leading truck (4), the fixed detection cylinder (5) that is provided with in top of leading truck (4), the one end that detects cylinder (5) output shaft runs through leading truck (4) and fixes and be provided with housing (6), the inside wall swing joint of housing (6) through guide bar and leading truck (4), the surface of housing (6) is provided with anodal detector (7) and negative pole detector (8) respectively, the bottom activity of housing (6) is provided with anodal detection pen (9) and negative pole detection pen (10).

2. The high-efficiency nondestructive testing device for the defects of the ceramic capacitor as claimed in claim 1, wherein: the sorting device comprises a groove (11), a driving motor (12), a detection plate (13), a driving cylinder (14) and a defective product slide way (15), wherein the groove (11) is formed in the surface of the detection table (2), the driving motor (12) is fixedly connected with the inner side wall of the groove (11) through a flange plate, an output shaft of the driving motor (12) is fixedly connected to one side of the detection plate (13), the other side of the detection plate (13) is connected with the inner side wall of the groove (11) through a movable shaft, a capacitor body (3) is movably arranged on the surface of the detection plate (13), the driving cylinder (14) is fixedly arranged on the surface of the detection table (2), and the defective product slide way (15) is fixedly arranged on the surface of the detection table (2).

3. A high efficiency nondestructive inspection apparatus for ceramic capacitor defects as set forth in claim 2 wherein: the surface of the detection plate (13) is fixedly provided with a positioning frame (16), and pins of the capacitor body (3) penetrate through the positioning frame (16) in a movable mode.

4. A high efficiency nondestructive inspection apparatus for ceramic capacitor defects as set forth in claim 1 wherein: the surface of base (1) is provided with drive shaft (18) through link (17), the surface activity of link (17) is provided with connecting axle (19), conveyer belt (20) have been cup jointed in the surface activity of link (17), drive shaft (18) and connecting axle (19) all with conveyer belt (20) swing joint, the surface of link (17) is provided with rotation motor (21), rotation motor (21) output shaft through link (17) and drive shaft (18) fixed connection.

5. The high-efficiency nondestructive testing device for the defects of the ceramic capacitor as set forth in claim 4, wherein: the end fixing of connecting axle (19) is provided with adjusting part (22), adjusting part (22) swing joint is in the side of link (17), the surface of adjusting part (22) passes through spacing screw (23) and link (17) threaded connection.

6. The high-efficiency nondestructive testing device for the defects of the ceramic capacitor as claimed in claim 1, wherein: the surface of the base (1) is provided with a collecting box (24), and the bottom of the collecting box (24) is provided with universal wheels.

7. A high efficiency nondestructive inspection apparatus for ceramic capacitor defects as set forth in claim 1 wherein: the surface fixing of the detection table (2) is provided with a limiting block (25), and the surface fixing of the housing (6) is provided with a limiting plate (26).

8. The high efficiency nondestructive testing apparatus for ceramic capacitor defects of claim 7 wherein: the surface activity of stopper (25) is provided with fixed plate (27), the surface of fixed plate (27) is provided with buffer board (29) through buffer spring (28), the one end fixed connection of buffer spring (28) is on the surface of fixed plate (27), the other end fixed connection of buffer spring (28) is on the surface of buffer board (29).

9. A high efficiency nondestructive inspection apparatus for ceramic capacitor defects as set forth in claim 8 wherein: the surface of the fixing plate (27) is connected with the limiting block (25) through a fixing bolt (30).

10. A high efficiency nondestructive inspection apparatus for ceramic capacitor defects as set forth in claim 1 wherein: the bottom of housing (6) is provided with left external member (31) through the connecting block is fixed, the surface of left side external member (31) is provided with right external member (33) through spacing bolt (32), anodal detection pen (9) and negative pole detection pen (10) all with left external member (31) and right external member (33) swing joint, anodal detection pen (9) and negative pole detection pen (10) all with the bottom swing joint of housing (6).