CN217605491U - Jig for testing strength of capacitor pin - Google Patents

Abstract

The utility model provides a tool for condenser pin intensity test, wades condenser quality check out test set technical field, and it is unreasonable to solve current tool structural design, and the suitability is poor, with high costs, the operation is inconvenient, the technique that detection efficiency is low is not enough, and technical scheme is including: the clamp seat comprises a base, a bearing part is arranged on the base, an adjusting part is arranged on the side wall of the bearing part, a height-adjustable limiting part is connected to the adjusting part, and a guide pin slot is formed in the limiting part. The beneficial effects of the utility model reside in that: the position-adjustable limiting part and the bearing part are matched to fixedly clamp the capacitors to be detected with different specifications and sizes, the applicability is stronger, detection units do not need to be equipped with different types of jigs, and the purchase cost of the jigs is reduced. Moreover, the utility model has the advantages of being simple in structure and convenient in operation, it is lower to make and use cost, is favorable to improving detection efficiency.

Description

Jig for testing strength of capacitor pin

Technical Field

The utility model relates to a condenser quality check out test set technical field, more specifically relate to a tool for condenser pin intensity test.

Background

The terminal strength of the finished product of the aluminum electrolytic capacitor (namely the positive and negative electrode pins of the capacitor) has direct influence on the quality of the finished product of the capacitor, so that the terminal of the finished product of the capacitor needs to be subjected to strict quality detection and quality control before delivery, and the loss of customers caused by outflow of products with unqualified terminal quality is prevented.

At present, the industry generally adopts a method for testing the strength of a pin and a guide pin of a positive electrode and a negative electrode of a capacitor to determine the quality of a terminal of the capacitor. During actual detection, the tensile force tester is firstly set through special test software on the control end according to the tensile force and the displacement, then the capacitor to be detected is fixed through the clamp seat, the positive and negative pin guide pins of the capacitor to be detected are clamped and clamped through the tensile force, then the tensile force tester drives the tensile force clamp to move upwards relative to the clamp seat under the set parameter state, and if the terminal of the capacitor is not fractured or obviously deformed under the pulling of the tensile force clamp, the terminal strength of the capacitor is proved to be reliable and the quality of the capacitor is qualified.

The specification of current condenser product, size are more, and its tool of test equipment can only be applicable to the condenser of a specific specification, size mostly, when carrying out terminal strength test to different condenser products, and testing personnel need change different special tool according to the specification and the size of waiting to detect the condenser, so just need the tool that detection unit is equipped with enough polytypic, lead to the acquisition cost of check out test set on the high side. Meanwhile, the operation of replacing the jig is inconvenient, and the detection efficiency is also influenced.

Therefore, there is a need for an improved jig for testing the strength of the pins of the capacitor to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

To sum up, the utility model discloses an it is unreasonable to solve the current tool structural design who is used for condenser pin intensity test, can only be used for the condenser of specific specification, size to detect, and the suitability is poor, needs the detection unit to be equipped with enough multiple type's special tool, causes that check out test set acquisition cost is on the high side, the tool is changed the inconvenient, influence detection efficiency's technique not enough, and provides a suitability stronger, operate more portably, and the lower tool that is used for condenser pin intensity test of cost.

For solving the utility model provides a technique is not enough, and the technical scheme of adoption is:

a jig for testing pin strength of a capacitor comprises a jig seat for fixedly clamping the capacitor to be tested and a tension clamp for clamping and stretching positive and negative pin guide pins of the capacitor to be tested, wherein the tension clamp is fixedly connected to an action end of a tension tester and correspondingly movably positioned at the upper end of the jig seat; the method is characterized in that: the fixture seat comprises a base fixed on a supporting surface of the tension tester, a bearing part for bearing the capacitor to be tested is arranged on the base, a strip-shaped adjusting part vertically and upwards extends on the side wall of the bearing part, the adjusting part is movably connected with a limiting part with adjustable height and corresponding to the bearing part, and the limiting part is provided with a guide pin slot for the positive and negative pin guide pins of the capacitor to be tested to penetrate through.

Furthermore, the bearing part is of a cylindrical structure, and the diameter of the bearing part is larger than the outer diameter of the largest capacitor to be detected.

Furthermore, a plurality of stepped gradually-inwards-concave circular clamping grooves used for matching and clamping capacitors to be detected with different diameters are arranged on the upper end face of the supporting part, and the clamping grooves and the upper end face of the supporting part are concentric.

Furthermore, a vertical adjusting groove is formed in the vertical middle line of the adjusting portion.

Furthermore, the limiting part is of an oblate cylindrical structure, the diameter of the limiting part is not smaller than the outer diameter of the capacitor to be detected to the maximum extent, an adjusting screw rod inserted into the adjusting groove is arranged on the side wall of the limiting part, and an adjusting nut used for locking and fixing the limiting part on the adjusting part is connected to the adjusting screw rod in a threaded mode.

Furthermore, the guide pin slot is arranged on the horizontal middle line of the limiting part, and the length of the slot is not less than the distance between the positive pin guide pin and the negative pin guide pin of the maximum capacitor to be detected.

Furthermore, the guide pin slot is of a structure with an opening at one end and a closed structure at one end, and extends inwards from the side wall of the limiting part along the horizontal center line direction of the limiting part.

Furthermore, the pulling force clamp include threaded fixed connection in the fixed support arm on the action end of pulling force tester and activity hinge in the movable support arm on the fixed support arm, threaded connection has one to be used for locking the two closed with the locking screw rod of the pin guide pin of centre gripping capacitor to be detected on movable support arm and the fixed support arm.

The utility model has the advantages that:

compare in current ordinary tool, the utility model discloses be equipped with the regulating part on the lateral wall of bearing portion, be connected with a height-adjustable, the spacing portion that corresponds with bearing portion in the regulating part, offer in spacing portion and be used for waiting to detect the guide pin fluting that positive, negative pole pin guide pin of condenser stretches out, overall structure is simple, and the fault rate is low, and makes and use cost is lower.

During actual inspection, operating personnel highly makes it shift up to sufficient interval for the bearing part through manual regulation spacing portion, just can wait to detect capacitor terminal with different specifications, size, height and put on bearing part up, and later again with spacing portion down make on the condenser bottom surface just, negative pole pin guide pin passes from the guide pin fluting to finally tightly support spacing portion on waiting to detect the bottom surface of condenser, thereby realize with the cooperation of bearing part the utility model discloses but the purpose of the different specifications of tool centre gripping, size and the condenser of height. Treat that the condenser is fixed the back, press from both sides through the pulling force and clip the anodal or negative pole pin guide pin of waiting to detect the condenser, then according to the action end of setting for parameter through the pulling force tester order about the pulling force and press from both sides and shift up for the anchor clamps seat, the positive of condenser, negative pole pin guide pin are not cracked or are showing deformation and regard as terminal intensity reliable promptly under pulling of pulling force clamp, and the quality is qualified to avoid unqualified condenser product to flow.

Compare in current tool, the utility model discloses an applicability is stronger, and detection unit only needs to be equipped with the utility model relates to a tool just can realize the purpose of multiple condenser terminal intensity test, need not to change different types of tool according to the difference that detects the detection capacitor, has saved the cost that different types of tool was purchased, and detection operation is simple, convenient, swift, is favorable to improving detection efficiency.

Drawings

FIG. 1 is a schematic view of the present invention assembled on a tensile tester;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the upper end structure of the clamp seat of the present invention.

In the figure: 100. the capacitor to be detected comprises 101 parts of a pin guide pin, 200 parts of a tension tester, 201 parts of an action end, 1 part of a clamp seat, 11 parts of a base, 111 parts of a bolt, 112 parts of a fastening screw, 12 parts of a bearing part, 121 parts of a clamping groove, 13 parts of an adjusting part, 131 parts of an adjusting groove, 14 parts of a limiting part, 141 parts of a guide pin slotting, 142 parts of an adjusting screw rod, 143 parts of an adjusting nut, 2 parts of a tension clamp, 21 parts of a fixed support arm, 211 parts of a lock hole screw hole, 22 parts of a movable support arm, 221 parts of a locking through hole, 23 parts of a locking screw rod, 231 parts of a screw thread and 232 parts of a handle.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and preferred embodiments of the present invention.

Referring to fig. 1, the utility model discloses:

the utility model provides a tool for condenser pin intensity test, is including being used for vertical fixed centre gripping of upside-down waiting to detect the condenser anchor clamps seat 1 and being used for the centre gripping and tensile the tensile clamp 2 of waiting to detect positive and negative pole pin guide pin 101 of condenser 100, tensile clamp 2 screw thread fixed connection on the action end 201 of tensile tester 200 and corresponding the activity be in the upper end of anchor clamps seat 1.

Specifically, referring to fig. 1 to 2, the utility model discloses fixture holder 1 of tool is including one through the base 11 of a plurality of bolt 111 fixed connection on tensile tester 200 holding surface, be connected with a bearing portion 12 that is used for the bearing to wait to detect condenser 100 through fastening screw 112 coaxial line on this base 11, it has a banding regulating part 13 to vertically upwards extend on the lateral wall of this bearing portion 12, it is adjustable to have a height at this regulating part 13 upper level swing joint, spacing portion 14 that corresponds with bearing portion 12, offer on this spacing portion 14 and be used for the condenser that awaits measuring, the guide pin fluting 141 that negative pole pin guide pin 101 passed.

After the technical means is adopted, the utility model discloses following beneficial effect has.

At first, compare in current ordinary tool, the utility model discloses be equipped with regulating part 13 on the lateral wall of bearing portion 12, be connected with a height-adjustable, the spacing portion 14 that corresponds with bearing portion 12 on regulating part 13, offer on spacing portion 14 and be used for waiting to detect positive, negative pole pin guide pin 101 of condenser 100 and stretch out guide pin fluting 141, overall structure is simple, and the fault rate is low, and makes and use cost is lower.

During the actual inspection, operating personnel moves to sufficient interval on making it for supporting portion 12 through the height of manual regulation spacing portion 14, just can be with different specifications, size, height wait to detect condenser 100 with the terminal gesture up put to supporting portion 12, then down regulate spacing portion 14 again make condenser bottom surface on just, negative pole pin guide pin 101 passes from guide pin fluting 141 to finally tightly support spacing portion 14 on waiting to detect condenser 100's bottom surface, thereby realize with supporting portion 12 cooperation the utility model discloses but the purpose of the condenser of different specifications of tool centre gripping, size and height.

After the capacitor 100 to be detected is fixed, the positive electrode pin or the negative electrode pin guide pin 101 of the capacitor 100 to be detected is clamped through the tension clamp 2, then the tension clamp 2 is driven to move upwards relative to the clamp seat 1 through the action end 201 of the tension tester 200 according to the set tension value, the displacement and other parameters, the positive electrode pin and the negative electrode pin guide pin 101 of the capacitor are not broken or are obviously deformed under the pulling of the tension clamp 2, the strength of the terminal is reliable, the quality is qualified, and therefore unqualified capacitor products are prevented from flowing out.

Generally, the pulling force value of the action end of the tensile tester is usually set to 1Kg, and the displacement is usually set to 20mm/Min.

In addition, compare in current tool, the utility model discloses an applicability is stronger, and detection unit only needs to be equipped with the utility model relates to a tool just can realize the purpose of multiple condenser terminal intensity test, need not to change different types of tool according to waiting to detect the difference of condenser 100, has saved the cost that different types of tool was purchased, and detection operation is simple, convenient, swift, is favorable to improving detection efficiency.

The present invention further provides a further improvement of the above technical solution, which comprises the following technical means.

Further, referring to fig. 2, the supporting portion 12 of the fixture base 1 of the present invention is a cylindrical structure, the diameter of which is larger than the maximum outer diameter of the capacitor 100 to be detected, and the adjusting portion 13 is a radian strip-shaped structure extending upward along the side wall thereof. The utility model discloses the diameter of bearing portion 12 is greater than the biggest external diameter that waits to detect condenser 100, has guaranteed actual detection time the utility model discloses the bearing portion 12 of anchor clamps seat 1 can the bearing maximum dimension and the specification wait to detect condenser 100.

Further, as shown in fig. 2 to 3, the upper end face of the bearing portion 12 of the cylindrical structure of the present invention is provided with a plurality of circular clamping grooves 121 for matching different diameters of the clamping and embedding to detect the capacitor 100 and being step-by-step concave, and all the clamping grooves 121 and the upper end face of the bearing portion 12 are concentric.

The utility model discloses be equipped with a plurality of screens grooves 121 that design according to different specifications, size condenser's external diameter on the bearing portion 12 up end of anchor clamps seat 1, operating personnel can inlay its upper end card fast to corresponding screens groove 121 internal fixation according to the external diameter of waiting to detect condenser 100 during actual testing to avoid detecting personnel in the follow-up operation to divide the hand to fix the condenser, be convenient for its regulation to spacing 14 positions, made things convenient for and fixed waiting to detect condenser 100 with bearing portion 12 cooperation centre gripping.

Furthermore, the utility model discloses bearing portion 12 is cylindric structure, all with one heart between its up end and each screens groove 121, and this kind of design can guarantee that different specifications and size wait to detect condenser 100 and fix the back, and its axis position remains unanimous throughout to guarantee the detection precision of tension tester 200, prevent because of the inaccurate problem of detection that the axis deviation of waiting to detect condenser 100 caused.

Further, as shown in fig. 2 to fig. 3, the adjusting portion 13 of the present invention is provided with an adjusting groove 131 in a vertical direction.

Further, the utility model discloses the spacing portion 14 of anchor clamps seat 1 is oblate column structure, corresponds the activity and is in the top of bearing portion 12 up end, and the two corresponding terminal surface centre of a circle is in same axis position. The diameter of the limiting part 14 is not less than the outer diameter of the largest capacitor 100 to be tested, an adjusting screw 142 movably inserted into the adjusting groove 131 of the adjusting part 13 extends outwards horizontally on the side wall of the limiting part, and an adjusting nut 143 for locking and fixing the limiting part 14 on the adjusting part 13 is connected to the adjusting screw 142 in a threaded manner.

The utility model discloses a but spacing portion 14 can follow the horizontal fixed connection of regulation groove 131 position vertical regulation ground on regulating part 13 through adjusting nut 143 and adjusting screw 142, and testing personnel can conveniently hand twist to twist adjusting nut 143 during in-service use and unscrew or screw up it to conveniently adjust and fix spacing portion 14's position, simple structure, the reliability is high, the operation of being convenient for, and spare part is few, and the cost is lower.

In addition, the adjusting nut 143 in this embodiment preferably adopts a claw nut structural design, and during actual use, a wrench or a screwdriver or other special tools are not needed for screwing, so that manual operation of a detection person is facilitated, and use is facilitated.

Further, referring to fig. 3, the guide pin slot 141 of the fixture seat 1 of the present invention is located on the diameter line of the limit portion 14 of the oblate cylindrical structure, and the slot length is not less than the maximum distance between the positive and negative pin guide pins 101 of the capacitor 100 to be detected.

Preferably, the guide pin slot 141 on the limiting portion 14 of the present invention is an open-ended structure with one end, and extends inward from the side wall of the limiting portion 14 along the diameter line direction thereof.

It should be noted that, in order to facilitate the clamp 2 to clamp the positive and negative pin guide pins 101 of the capacitor 100 to be tested, the direction of the guide pin slot 141 on the limiting portion 14 needs to be the same as the extending direction of the clamping surface of the clamp 2.

The utility model discloses guide pin fluting 141 on spacing portion 14 is located along its diameter line direction inwardly extending by the lateral wall of spacing portion 14, and this kind of open structure's design can reserve the biggest space of passing for waiting to detect positive, negative pole pin guide pin 101 of condenser 100, and the condenser terminal inserts when being convenient for adjust spacing portion 14. When the capacitor 100 to be tested is actually fixed, the height of the limiting part 14 is adjusted to be above the bottom end face of the capacitor 100 to be tested, which is provided with the pin guide pin 101, and then the capacitor 100 to be tested can be translated to the supporting part 12 from one end of the opening of the guide pin slot 141 and clamped downwards into the clamping slot 121. In the process, the pin guide pin 101 of the capacitor 100 to be tested can laterally enter through one end of the opening of the guide pin slot 141, so that the capacitor 100 to be tested can be fixed without adjusting the limiting part 14 to be above the pin guide pin 101 of the capacitor 100 to be tested.

In addition, the one end of the guide pin slot 141 is a closed structure, so that the overall structural strength of the limiting part 14 is also ensured, the capacitor 100 to be detected is more reliably fixed, and the capacitor is prevented from moving upwards relative to the bearing part 12 when the tension clamp 2 lifts the terminal upwards to influence the accuracy of the detection structure.

Additionally, the utility model discloses guide pin fluting 141 length on spacing portion 14 is not less than and waits to detect the positive of condenser 100, the interval between negative pole pin guide pin 101 at the most, and this kind of design has guaranteed the utility model discloses spacing portion 14 can be spacing to press the condenser of different specifications, size and make its pin outwards stretch out through guide pin fluting 141.

Further, referring to fig. 1 to 2, the utility model discloses the pulling force of the tool presss from both sides 2 including fixed support arm 21 and the activity that screw thread fixed connection on the action end 201 of pulling force tester 200 articulates the movable support arm 22 on this fixed support arm 21 with the activity, the lower extreme of fixed support arm 21 and movable support arm 22 uses articulated department as the axle swing to open and shut with the centre gripping or loosen and wait to detect positive, negative pole pin guide pin 101 of condenser 100.

A locking screw 23 for locking and closing the lower ends of the fixed arm 21 and the movable arm 22 to clamp the pin guide pin 101 is horizontally and transversely screwed at the lower part of the hinged part of the two arms.

Preferably, as shown in fig. 2, the utility model discloses be equipped with a locking screw hole 211 on the fixed support arm 21 of pulling force clamp 2, be equipped with a locking through-hole 221 on the relative position of activity support arm 22, 23 head ends of locking screw rod be equipped with locking screw hole 211 complex screw thread 231, 23 tail ends of locking screw rod are equipped with the handle 232 of the inspection personnel knob of being convenient for.

In practical use, after the capacitor 100 to be tested is fixed on the fixture seat 1, a tester pulls the movable support arm 22 to open a gap with the lower end clamping position of the fixed support arm 21, the initial position of the tension clamp 2 is adjusted by the action end 201 of the tension tester 200, so that the lower end clamping position can firmly clamp the positive or negative pole pin guide pin 101 of the capacitor 100 to be tested, the tester inserts the thread 231 at the head end of the locking screw 23 into the locking screw hole 211 through the locking through hole 221 by the handle 232 and screws up the thread, so that the movable support arm 22 and the fixed support arm 21 are clamped to clamp the positive or negative pole pin guide pin 101 of the capacitor 100 to be tested, and then the tension tester 200 can be started to drive the tension clamp 2 to clamp the positive or negative pole pin guide pin 101 of the capacitor 100 to be tested and move upward relative to the fixture seat 1. After the tensile tester 200 operates under the set parameters, the pin guide pin 101 of the capacitor is not broken or obviously deformed, so that the terminal strength of the capacitor can be determined to be qualified, and the quality is reliable.

The utility model discloses a pulling force presss from both sides 2 simple structure, and the cost is lower, and the operation of the terminal of treating condenser 100 is more convenient, swift to the actual clamp of getting, and labour saving and time saving is favorable to improving detection efficiency.

The above-mentioned embodiments are only for the sake of clarity of the specific embodiments of the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other adjustments or changes to the tension clamp 2, the clamp seat 1, the base 11, the supporting portion 12, the adjusting portion 13, the limiting portion 14, the guide pin slot 141, the clamping slot 121, the adjusting slot 131, the adjusting screw 142, the adjusting nut 143, etc. can be deduced and summarized according to the present invention, and are not listed herein. Any modification, replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (8)

1. A jig for testing the pin strength of a capacitor comprises a jig seat for fixedly clamping the capacitor to be tested and a tension clamp for clamping and stretching a positive and negative pin guide pin of the capacitor to be tested, wherein the tension clamp is fixedly connected to an action end of a tension tester and correspondingly movably positioned at the upper end of the jig seat; the method is characterized in that: the fixture seat comprises a base fixed on a supporting surface of the tension tester, a bearing part for bearing the capacitor to be tested is arranged on the base, a strip-shaped adjusting part vertically and upwards extends on the side wall of the bearing part, the adjusting part is movably connected with a limiting part with adjustable height and corresponding to the bearing part, and the limiting part is provided with a guide pin slot for the positive and negative pin guide pins of the capacitor to be tested to penetrate through.

2. The jig for testing the strength of the lead pins of the capacitor of claim 1, wherein: the bearing part is of a cylindrical structure, and the diameter of the bearing part is larger than the outer diameter of the largest capacitor to be detected.

3. The jig for testing the strength of the pins of the capacitor of claim 2, wherein: the upper end face of the bearing part is provided with a plurality of stepped gradually-inwards-concave circular clamping grooves used for matching and clamping capacitors to be detected with different diameters, and the clamping grooves and the upper end face of the bearing part are concentric.

4. The jig for testing the strength of the lead pins of the capacitor of claim 1, wherein: and a vertical adjusting groove is formed in the vertical middle line of the adjusting part.

5. The jig for testing the strength of the lead pins of the capacitor of claim 4, wherein: the limiting part is of an oblate cylindrical structure, the diameter of the limiting part is not smaller than the outer diameter of the largest capacitor to be detected, an adjusting screw rod inserted into the adjusting groove is arranged on the side wall of the limiting part, and an adjusting nut used for locking and fixing the limiting part on the adjusting part is connected to the adjusting screw rod in a threaded mode.

6. The jig for testing the strength of the lead pins of the capacitor of claim 1, wherein: the guide pin slot is arranged on the horizontal middle line of the limiting part, and the length of the slot is not less than the distance between the positive pin guide pin and the negative pin guide pin of the maximum capacitor to be detected.

7. The jig for testing the strength of the lead pins of the capacitor of claim 6, wherein: the guide pin slot is of a structure with an opening at one end and a closed end at the other end and extends inwards from the side wall of the limiting part along the horizontal central line direction of the limiting part.

8. The jig for testing the strength of the lead pins of the capacitor of claim 1, wherein: the pull clamp comprises a fixed support arm fixedly connected to the action end of the pull tester through threads and a movable support arm movably hinged to the fixed support arm, and the movable support arm and the fixed support arm are connected with a locking screw rod through threads, wherein the locking screw rod is used for locking and closing the movable support arm and the fixed support arm so as to clamp a pin guide pin of the capacitor to be tested.

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