CN210401555U

CN210401555U - Clamping tool for aluminum electrolytic capacitor aging test

Info

Publication number: CN210401555U
Application number: CN201921165074.5U
Authority: CN
Inventors: 赵臣龙; 杨海亮
Original assignee: Beijing Jinghanyu Electronic Engineering Technology Co Ltd
Current assignee: Beijing Jinghanyu Electronic Engineering Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-24
Anticipated expiration: 2029-07-23

Abstract

The application discloses a centre gripping frock for aluminium electrolytic capacitor aging test, including base and apron, the lower extreme and the ageing board fixed connection of base, apron and base can be dismantled and be connected. The upper end of base is provided with the semi-cylindrical surface of concave downwards, and the lower extreme of apron is provided with the semi-cylindrical surface of concave upwards, and the apron supports on the base, and the semi-cylindrical surface on base and the apron is relative from top to bottom to form the space that is used for holding aluminum electrolytic capacitor between messenger's apron and the base. The diameters of the semi-cylindrical surfaces on the base and the cover plate are the same as the diameter of the aluminum electrolytic capacitor. So set up, when carrying out aging testing experiment, can place aluminum electrolytic capacitor on the base, then fix apron detachable on the base and can realize fixing aluminum electrolytic capacitor, after aging testing experiment, dismantle the apron from the base and can take off aluminum electrolytic capacitor, realized fixing aluminum electrolytic capacitor through this centre gripping frock, improved aging testing experiment's fail safe nature.

Description

Clamping tool for aluminum electrolytic capacitor aging test

Technical Field

The utility model relates to a components and parts aging testing device technical field especially relates to a centre gripping frock for aluminium electrolytic capacitor aging test.

Background

The capacitor with reliability requirement must be subjected to aging test before leaving factory, so as to ensure high quality reliability. The aluminum electrolytic capacitor is made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode. Because the aluminum electrolytic capacitor has a larger size, the aluminum electrolytic capacitor is packaged in a columnar shape without a fixed position, and is generally carried out by hand, so that an aging test cannot be safely and reliably carried out.

Therefore, how to solve the problems that the position of the aluminum electrolytic capacitor cannot be fixed and the safety and reliability of the aging test are low when the aging test is performed on the aluminum electrolytic capacitor in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the application provides a clamping tool for an aging test of an aluminum electrolytic capacitor, which can solve the problems that the position of the aluminum electrolytic capacitor cannot be fixed and the safety and reliability of the aging test are low when the aging test of the aluminum electrolytic capacitor is carried out in the prior art.

The utility model discloses a realize like this: the utility model provides a centre gripping frock for aluminum electrolytic capacitor aging test, includes base and apron, fixed connection between the lower extreme of base and the ageing board, the lower extreme of apron supports the upper end of base, the upper end of base is provided with the semi-cylindrical surface of undercut, the lower extreme of apron is provided with the semi-cylindrical surface of make progress recessed, the apron with can dismantle between the base connect just semi-cylindrical surface on the base with semi-cylindrical surface on the apron is relative from top to bottom, the diameter of semi-cylindrical surface on the base with the diameter of semi-cylindrical surface on the apron is the same with aluminum electrolytic capacitor's diameter.

Preferably, the aluminum electrolytic capacitor further comprises a supporting seat, the lower end of the supporting seat is fixedly connected with the aging plate, a downward concave semi-cylindrical surface is arranged at the upper end of the supporting seat, the diameter of the semi-cylindrical surface on the supporting seat is the same as that of the aluminum electrolytic capacitor, and the central axis corresponding to the semi-cylindrical surface on the supporting seat coincides with the central axis corresponding to the semi-cylindrical surface on the base.

Preferably, the base and one side of the supporting seat away from each other are provided with limiting blocks for blocking the aluminum electrolytic capacitor from displacing along the axial direction of the aluminum electrolytic capacitor.

Preferably, the two ends of the base and the two ends of the cover plate are provided with first threaded holes, and the base is connected with the cover plate through fastening screws.

Preferably, the edges of the base, the cover plate and the supporting seat are provided with chamfers.

Preferably, the base with the lower extreme of supporting seat is provided with the second screw hole, be provided with countersunk screw hole on the ageing board, countersunk screw hole includes countersink portion and the screw portion of coaxial setting, countersink portion is located the below of screw portion, the base with it connects to age through countersunk screw between the board, the supporting seat with it connects to age through countersunk screw between the board.

Preferably, the second threaded holes are arranged on the base in a plurality, and the second threaded holes are uniformly distributed along the length direction of the base; the second screw hole is in be provided with a plurality ofly on the supporting seat, it is a plurality of the second screw hole is followed the length direction evenly distributed of supporting seat.

Preferably, the base, the supporting seat and the cover plate are all provided in plurality, the axes of the semicircular cylindrical surfaces on each base are parallel to each other, and the number of the bases, the number of the supporting seats and the number of the cover plates are the same.

Preferably, the base, the cover plate and the support seat are all made of epoxy resin.

Preferably, the fastening screw is a star handle screw.

The technical scheme provided by the application comprises the following beneficial effects:

the application provides a centre gripping frock for aluminum electrolytic capacitor aging test, including base and apron, the lower extreme and the ageing board fixed connection of base, apron and base can be dismantled and be connected. The upper end of base is provided with the semi-cylindrical surface of concave downwards, and the lower extreme of apron is provided with the semi-cylindrical surface of concave upwards, and the lower extreme of apron supports in the upper end of base, and the semi-cylindrical surface on the base is relative from top to bottom with the semi-cylindrical surface on the apron to form the accommodation space who is used for holding aluminum electrolytic capacitor between messenger's apron and the base. The diameter of the semi-cylindrical surface on the base is the same as that of the semi-cylindrical surface on the cover plate and that of the aluminum electrolytic capacitor. So set up, fix the base on ageing board, when carrying out aging testing experiment to aluminum electrolytic capacitor, can place aluminum electrolytic capacitor in the semi-cylindrical face on the base, then fix apron detachable and can realize fixing aluminum electrolytic capacitor in the upper end of base, after aging testing experiment, dismantle the apron from the base and get off and can take off aluminum electrolytic capacitor. In the process of the aging test of the aluminum electrolytic capacitor, the aluminum electrolytic capacitor is fixed by the clamping tool, and the safety and reliability of the aging test are improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a clamping tool for an aluminum electrolytic capacitor aging test according to an embodiment of the present invention;

FIG. 2 is a front view of a clamping fixture for an aging test of an aluminum electrolytic capacitor according to an embodiment of the present invention;

fig. 3 is a top view of a clamping tool for an aging test of an aluminum electrolytic capacitor according to an embodiment of the present invention.

Reference numerals:

a base-1; a cover plate-2; aging board-3; an aluminum electrolytic capacitor-4; a support seat-5; a limiting block-6; a fastening screw-7; countersunk head screw-8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a centre gripping frock for aluminum electrolytic capacitor aging test, fixes aluminum electrolytic capacitor on the aging board through base and the apron that has the semicylindrical face, has realized fixing aluminum electrolytic capacitor when carrying out aging testing test to aluminum electrolytic capacitor, is favorable to improving aging testing's fail safe nature.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-3, a structural schematic diagram of a clamping tool for an aluminum electrolytic capacitor aging test in some exemplary embodiments is shown. The clamping tool for the aging test of the aluminum electrolytic capacitor is fixed on the aging board 3 provided with the aging circuit. This centre gripping frock includes base 1 and apron 2, base 1's lower extreme and ageing board 3 fixed connection, apron 2 can dismantle with base 1 and be connected. The upper end of base 1 is provided with the semi-cylindrical face of undercut, and the lower extreme of apron 2 supports in the upper end of base 1, and the semi-cylindrical face on the base 1 is relative from top to bottom with the semi-cylindrical face on the apron 2 to make and form the accommodation space who is used for holding aluminum electrolytic capacitor 4 between apron 2 and the base 1. The diameter of the semi-cylindrical surface on the base 1 is the same as that of the semi-cylindrical surface on the cover plate 2 and that of the aluminum electrolytic capacitor 4. So set up, fix base 1 on ageing board 3, when carrying out aging testing experiment to aluminium electrolytic capacitor 4, can place aluminium electrolytic capacitor 4 in the semi-cylindrical face on base 1, then fix apron 2 detachable in the upper end of base 1 can realize fixing aluminium electrolytic capacitor 4, with aluminium electrolytic capacitor 4 anodal and negative pole and ageing circuit connection on ageing board 3 can carry out aging testing experiment. After the aging test is finished, the aluminum electrolytic capacitor 4 can be taken down by detaching the cover plate 2 from the base 1. In the process of the aging test of the aluminum electrolytic capacitor 4, the aluminum electrolytic capacitor 4 is fixed by the clamping tool, and the safety and reliability of the aging test are improved.

In the preferred embodiment, this centre gripping frock still includes supporting seat 5, the structure of supporting seat 5 is similar with base 1's structure, the upper end of supporting seat 5 also is provided with the semicircular column face of undercut, the diameter of the semicircular column face on the supporting seat 5 is the same with aluminum electrolytic capacitor 4's diameter, the lower extreme and the 3 fixed connection of ageing board of supporting seat 5, and the central axis that the corresponding central axis of the semicircular column face on the supporting seat 5 and the central axis coincidence that the semicircular column face on the base 1 corresponds, supporting seat 5 and base 1 are located aluminum electrolytic capacitor 4's both ends respectively, both cooperate and realize the support to aluminum electrolytic capacitor 4 jointly.

Further, in the aging test process, in order to prevent the aluminum electrolytic capacitor 4 from displacing in the axial direction, a limiting block 6 is arranged on one side of the base 1 and the supporting base 5 away from each other, and two end faces of the aluminum electrolytic capacitor 4 are respectively contacted with the limiting block 6 on the supporting base 5 and the limiting block 6 on the base 1. The limiting block 6 arranged on the base 1 is fixedly connected with the base 1 into an integral structure, and the limiting block 6 arranged on the supporting seat 5 is fixedly connected with the supporting seat 5 into an integral structure.

In this embodiment, the base 1 and the cover plate 2 are fixedly connected through the fastening screws 7, the first threaded holes corresponding to the two ends of the base 1 and the two ends of the cover plate 2 are provided, and the cover plate 2 is supported on the base 1 and then connected through the fastening screws 7. Can realize the fixing between base 1 and the apron 2 through fastening screw 7, simple structure, the convenient dismantlement is convenient for pull down apron 2 after ageing tests is experimental, conveniently takes off aluminium electrolytic capacitor 4.

In implementation, the fastening screw 7 may be a star-shaped handle screw, and the head of the star-shaped handle screw is a star-shaped handle, so that the star-shaped handle screw is convenient to hold in a screwing manner, the use of a wrench is avoided in the screwing process, the operation is convenient, and the comfort in the screwing process is improved.

In the preferred scheme of this embodiment, all be provided with the chamfer at the edge position of base 1, apron 2 and supporting seat 5, can prevent that the edge from producing the scraping to the surface of aluminum electrolytic capacitor 4, protect aluminum electrolytic capacitor 4's lacquer coat.

The chamfer may be a rounded corner.

In this embodiment, base 1 and supporting seat 5 all carry out fixed connection through countersunk screw 8 and ageing board 3, are provided with the second screw hole at the lower extreme of base 1 and supporting seat 5, are provided with countersunk screw hole on ageing board 3, and wherein countersunk screw hole includes countersunk hole portion and the screw portion of coaxial setting, and the countersunk hole position is in the below of screw portion, and countersunk screw 8 is from upwards passing behind the countersunk screw hole on ageing board 3 with

base

1 or 5 threaded connection of supporting seat down. The head of the countersunk head screw 8 is hidden in the countersunk hole part on the aging plate 3, so that the stability of the aging plate 3 when placed on a test table top is ensured while the fixed connection between the base 1 and the aging plate 3 and between the supporting seat 5 and the aging plate 3 is realized, and the safety and the reliability of an aging test are improved.

In the implementation, above-mentioned second screw hole all is provided with a plurality ofly on base 1 and supporting seat 5, and a plurality of second screw holes have improved the stability of being connected between base 1 or supporting seat 5 and the ageing board 3 along its length direction evenly distributed on supporting seat 5 or base 1 respectively.

In the implementation, can set up a plurality of bases 1, supporting seat 5 and apron 2 on an ageing board 3, can carry out ageing tests to a plurality of aluminum electrolytic capacitor 4 simultaneously. The number of the bases 1, the number of the supporting seats 5 and the number of the cover plates 2 are the same, and the axes of the semi-cylindrical surfaces on each base 1 are parallel to each other.

In implementation, the base 1, the cover plate 2 and the support seat 5 can be made of epoxy resin, the epoxy resin is an excellent insulating material and has excellent mechanical properties, and the service life of the clamping tool is prolonged.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a centre gripping frock for aluminium electrolytic capacitor aging test which characterized in that includes: base (1) and apron (2), fixed connection between the lower extreme of base (1) and ageing board (3), the lower extreme of apron (2) supports the upper end of base (1), the upper end of base (1) is provided with the semi-cylindrical face of undercut, the lower extreme of apron (2) is provided with the semi-cylindrical face that makes progress recessed, apron (2) with can dismantle between base (1) and connect just semi-cylindrical face on base (1) with semi-cylindrical face on apron (2) is relative from top to bottom, the diameter of semi-cylindrical face on base (1) with the diameter of semi-cylindrical face on apron (2) is the same with the diameter of aluminum electrolytic capacitor (4).

2. The clamping tool according to claim 1, further comprising a supporting seat (5), wherein the lower end of the supporting seat (5) is fixedly connected with the aging plate (3), a downward-concave semi-cylindrical surface is arranged at the upper end of the supporting seat (5), the diameter of the semi-cylindrical surface on the supporting seat (5) is the same as that of the aluminum electrolytic capacitor (4), and the central axis corresponding to the semi-cylindrical surface on the supporting seat (5) coincides with the central axis corresponding to the semi-cylindrical surface on the base (1).

3. The clamping tool according to claim 2, wherein the base (1) and the support base (5) are provided with a limiting block (6) at one side away from each other for blocking the displacement of the aluminum electrolytic capacitor (4) along the axial direction.

4. The clamping tool according to claim 1, characterized in that first threaded holes are formed in two ends of the base (1) and two ends of the cover plate (2), and the base (1) and the cover plate (2) are connected through fastening screws (7).

5. The clamping tool according to claim 2, characterized in that chamfers are arranged at the edges of the base (1), the cover plate (2) and the support base (5).

6. The clamping tool according to claim 2, wherein a second threaded hole is formed in the lower ends of the base (1) and the supporting seat (5), a countersunk screw hole is formed in the aging plate (3) and comprises a countersunk hole portion and a threaded hole portion which are coaxially arranged, the countersunk hole portion is located below the threaded hole portion, the base (1) and the aging plate (3) are connected through countersunk screws (8), and the supporting seat (5) and the aging plate (3) are connected through countersunk screws (8).

7. The clamping tool according to claim 6, wherein a plurality of second threaded holes are formed in the base (1), and are uniformly distributed along the length direction of the base (1); the second threaded holes are formed in the supporting seat (5) in a plurality of numbers, and the second threaded holes are evenly distributed along the length direction of the supporting seat (5).

8. The clamping tool according to claim 2, characterized in that the bases (1), the supporting seats (5) and the cover plates (2) are provided in plurality, the axes of the semi-cylindrical surfaces on each base (1) are parallel to each other, and the number of the bases (1), the number of the supporting seats (5) and the number of the cover plates (2) are the same.

9. The clamping tool according to claim 2, wherein the base (1), the cover plate (2) and the support base (5) are all made of epoxy resin.

10. Clamping fixture according to claim 4, characterized in that the fastening screw (7) is a star handle screw.