CN108538579B

CN108538579B - Capacitor conductive insert structure and production method

Info

Publication number: CN108538579B
Application number: CN201810552015.7A
Authority: CN
Inventors: 张阳; 姚晓峰; 李龙
Original assignee: Career Technical College In Anhui
Current assignee: WUHU ZHONGMENG ELECTRONIC TECHNOLOGY Co.,Ltd.
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2020-01-10
Anticipated expiration: 2038-05-31
Also published as: CN108538579A

Abstract

The invention discloses a capacitor conductive insert structure and a production method thereof, wherein the capacitor conductive insert structure comprises an insert body and a wiring part, wherein the front side and the back side of the insert body are respectively provided with an embedding groove and a fitting bulge; respectively stamping the front surface and the back surface of the inserting sheet main body to form an embedding groove and a fitting bulge, and respectively bonding embedding sheets on the two sides of the inserting sheet main body; forming a wrapping surface at the tail end of the wiring part by punching, and drilling and carving a wiring hole on a straight line where the center of the wrapping surface is located; the wiring part and the insert body are directly punched and joggled to form an integrated structure; finally, modifying the inserting sheet; through mutually supporting the inner structure who has reduced the inserted sheet, make full use of its inner space moreover, can also reduce its cost when being convenient for reduce its volume, improve the result of use and the reliability of inserted sheet.

Description

Capacitor conductive insert structure and production method

Technical Field

The invention relates to the technical field of capacitor insertion pieces, in particular to a capacitor conductive insertion piece structure and a production method thereof.

Background

The electric capacity, as the name implies just can hold the electricity container of electric charge, in current condenser, the structure includes casing, conducting strip and stopping usually, and the condenser core is located in the inner chamber of casing, and the terminal pin of conducting strip welds with the gold spraying layer of condenser core terminal surface mutually, is provided with epoxy's stopping between the terminal pin of casing inner chamber, condenser core and conducting strip, and the condenser of above-mentioned structure has usually existed: when the terminal pins of the conducting strips are welded with the gold spraying layers on the two sides of the capacitor core, the horizontal heights of the upper ends of the two conducting strips are difficult to ensure to be parallel to each other, which brings difficulty to the fixing of the core; meanwhile, when the core is fixed, the precision distance between two sides and the perpendicularity of the two conducting strips are generally maintained by installing the cushion blocks manually, and the core is ensured by the aid of human factors such as experience of operators, visual inspection, manual adjustment and the like, so that the improvement of production efficiency is not facilitated, meanwhile, the guarantee control of the quality of a produced product is not facilitated, and the core fixing device has the defects of high labor intensity, low efficiency and the like.

Although the prior art can partially or to some extent overcome the above problems, the arrangement of the structure such as the slot still exists at the bottom of the housing, which results in the need to design the conductive insert into a longer pin; and occupy more casing inner space for condenser product itself volume increases, and the embedment use volume that gives the epoxy simultaneously has increased the material consumption, is unfavorable for defects such as manufacturing cost's control.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the conductive inserting sheet structure of the capacitor and the production method thereof, the internal structure of the inserting sheet is reduced through mutual matching, the internal space of the inserting sheet is fully utilized, the size of the inserting sheet is conveniently reduced, the cost of the inserting sheet is reduced, the using effect and the reliability of the inserting sheet are improved, and the problems in the background technology can be effectively solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: a capacitor conductive insert structure and a production method thereof comprise an insert body and a wiring part, wherein the wiring part and the insert body are directly punched to form an integrated structure, embedding grooves and attaching bulges are respectively arranged on the front side and the back side of the insert body, embedding pieces are respectively and fixedly arranged on the two sides of the insert body, the sizes and the shapes of the embedding pieces are different, the embedding piece positioned on one side of the insert body is in a convex box shape, and the embedding piece positioned on the other side of the insert body is in a concave box shape;

the tail of the wiring part is curled to one side to form a wrapping surface, a wiring hole is further formed in the straight line where the center of the wrapping surface is located, and the wiring hole is formed in the straight line where the two embedded pieces are located.

According to a preferable technical scheme of the invention, the top of the insert body is fixedly connected with a contact head in a stamping mode, the contact head is made into a cake shape with an arc-shaped outer side, and the outer surface of the contact head is polished.

As a preferable technical scheme of the invention, the embedding groove is formed by combining a rectangular body and a trapezoidal body, and the shape and the size of the attaching bulge are the same as those of the embedding groove.

In addition, the invention also provides a production method of the capacitor conductive insert structure, which comprises the following steps:

step 100, processing the insert main body, namely respectively punching the front surface and the back surface of the insert main body to form an embedding groove and a joint bulge, and respectively bonding two insert pieces with different shapes and sizes on the two sides of the insert main body;

step 200, processing the wiring part, namely forming a wrapping surface at the tail end of the wiring part through punching, and drilling and carving a wiring hole on a straight line where the center of the wrapping surface is located;

300, joggling a main body structure, namely directly punching and joggling the wiring part and the inserting piece body to form an integrated structure;

step 400, modifying the insert, forming a contact head on the top of the insert body through punching, and polishing the contact head.

As a preferred technical solution of the present invention, in step 100, a specific method for bonding the insert sheet is:

step 101, respectively drilling an adhesive hole matched with the embedded sheet at two sides of the inserted sheet, and respectively engraving a cross superposed grain and a cross superposed groove which are mutually meshed on the adhesive hole and the embedded sheet;

102, sanding the inner surface of the bonding hole, the joint of the embedded sheet and the bonding hole;

103, coating adhesive conductive resin on the contact surfaces of the adhesive holes and the embedded sheets, putting the embedded sheets into the adhesive holes according to the meshing direction of the crossed overlapped grains and the crossed overlapped grooves, and punching and adhering the embedded sheets at high pressure.

As a preferred embodiment of the present invention, in step 101, the bonding hole has a truncated cone shape with a narrow inside and a wide outside.

As a preferred technical solution of the present invention, in step 200, the stamping of the wrapping surface specifically comprises the following steps:

step 201, directly rolling the tail part of the wire connection part to form an elliptical extending surface, wherein the short axis of the extending surface is parallel to the center of the wire connection part;

step 202, fixing a bonding and shaping steel plate on two straight lines which are symmetrical about a short axis of an extension plane;

and step 203, wrapping the extending surface in a direct stamping mode to form a wrapping surface.

As a preferred technical solution of the present invention, in step 300, the main structure joggling specifically includes the following steps:

step 301, respectively punching and forming a tenon and a mortise on the end faces of two ends connected with the inserting piece main body and the wiring part;

step 302, heating the tenons and the mortises by high-pressure gas flame, and butting and splicing the two tenons and the mortises after heating;

and step 303, stamping the joint of the tenon and the mortise, and naturally cooling.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the insert is divided into an insert body and a wiring part, the insert body is prevented from generating an electric leakage phenomenon in the contact process through the arranged contact heads, the embedding grooves and the attaching bulges which are respectively arranged on the front side and the back side improve the actual expansion surface by making the insert body into a different surface state, so that the connection reliability and stability are improved in the connection process, the insert has the function of controlling the actual depth of the insert body in the insertion process, the part to be connected is wrapped inside the wiring part through the wrapping surface, the connecting part is fixedly connected inside the wiring hole, the connection stability is improved through double limitation, and based on the structure, the insert can be produced rapidly in batches, the process is simple, the working procedures are few, and the insert meeting the specific requirements can be produced rapidly.

Drawings

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

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

FIG. 3 is a schematic flow chart of the present invention.

In the figure: 1-an insert body; 2-a wiring portion; 3-embedding the groove; 4-fitting the protrusion; 5-an insert sheet; 6-wrapping the dough; 7-wiring holes; 8-contact head.

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.

Example (b):

as shown in figures 1 and 2, the invention provides a capacitor conductive insert structure and a production method thereof, the capacitor conductive insert structure comprises an insert body 1 and a wiring part 2, the wiring part 2 and the insert body 1 are directly punched to form an integrated structure, an embedding groove 3 and an attaching bulge 4 are respectively arranged on the front surface and the back surface of the insert body 1, the embedding groove 3 is formed by combining a rectangular body and a trapezoidal body, the shape and the size of the attaching bulge 4 are the same as those of the embedding groove 3, the insert body 1 is extruded to form a different-surface structure, on one hand, the actual copper consumption is controlled, on the other hand, the same copper consumption can be punched to two sides to form a structure similar to a reinforcing beam in the extrusion process, the mechanical property of the insert body 1 can be improved, the integral pressure resistance and strength are improved, the two sides of the insert body 1 are respectively and fixedly provided with an insert piece 5, the size and the shape of the insert piece 5 are different, and the embedded sheet 5 positioned at one side of the inserting sheet body 1 is in a raised box shape, and the embedded sheet 5 positioned at the other side of the inserting sheet body 1 is in a sunken box shape.

2 afterbody of wiring portion is curled to one side and is become to wrap face 6, it still is equipped with wiring hole 7 on the straight line of face 6 center place to wrap, wiring hole 7 is established on the straight line at two embedded sheets 5 places.

Preferably, 1 top punching press fixedly connected with contact 8 of inserted sheet body, contact 8 makes the outside and is circular-arc pie, and all processes the polishing at contact 8's surface and handles, prevents to take place the electricity generation phenomenon at the connection in-process, stops the potential safety hazard in the use.

In addition, as shown in fig. 3, the invention also provides a production method of the capacitor conductive insert sheet structure, which comprises the following steps:

step 100, processing the insert main body, namely respectively punching the front surface and the back surface of the insert main body to form an embedding groove and a fitting bulge, and respectively bonding two insert pieces with different shapes and sizes on two sides of the insert main body.

In above-mentioned processing, the punching press forms embedding recess and the laminating arch of mutually coincide respectively in inserted sheet main part both sides, and sets up the effect that embedding recess and laminating arch lie in two aspects:

firstly, the insertion piece is provided with an uneven surface, which is beneficial to realizing the positioning of the insertion piece through the own uneven structure when the insertion piece main body is inserted; secondly, the structures are matched with each other to help the structures to be matched, so that the corresponding structures can be automatically matched when being inserted without independent positioning and calibration. Therefore, the inserting time is saved, the process is simplified, and the accuracy of actual inserting can be improved.

In step 100, the specific method for bonding the insert sheet is as follows:

step 101, respectively drilling an adhesive hole matched with the embedded sheet at two sides of the insert sheet main body, and respectively engraving a cross superposed grain and a cross superposed groove which are mutually meshed on the adhesive hole and the embedded sheet;

Wherein, in step 101, the bonding hole is the round platform form of narrow outside width in, and the cross coincide line and the cross coincide groove that set up can automatic positioning inserted sheet through the interlock for the inserted sheet can be according to direction and the position fixing that sets for on the inserted sheet main part, and further bonds through bonding conductive resin, makes the linkage effect better, and does not influence its specific electric conductive property.

Step 200, processing the wire connecting part, namely forming a wrapping surface at the tail end of the wire connecting part through punching, and drilling and carving a wire connecting hole on a straight line where the center of the wrapping surface is located.

In step 200, the specific steps of the stamping of the wrapping surface are as follows:

And 300, joggling the main body structure, and directly punching the wiring part and the inserting piece body to form an integrated structure.

In step 300, the main structure is joggled by the following specific steps:

The invention is mainly characterized in that the inserting sheet is divided into an inserting sheet body and a wiring part, the inserting sheet body prevents electric leakage in the contact process through the arranged contact head, the inserting groove and the joint bulge which are respectively arranged on the front side and the back side improve the actual expansion surface by making the inserting sheet body into a different surface state so as to improve the reliability and the stability of connection in connection, the inserting sheet has the function of controlling the actual depth of the inserting sheet body in insertion, the part to be connected is wrapped inside the wiring part through the wrapping surface, the connecting part is fixedly connected inside the wiring hole, the stability of connection is improved through double limitation, based on the structure, the inserting sheet can be produced rapidly in batches, the process is simple, the working procedures are few, the inserting sheet meeting specific requirements can be produced rapidly, and based on the structure, through mutually supporting the inner structure who has reduced the inserted sheet, make full use of its inner space moreover, can also reduce its cost when being convenient for reduce its volume, improve the result of use and the reliability of inserted sheet.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a conductive inserted sheet structure of electric capacity which characterized in that: the wire connecting structure comprises an inserting piece body (1) and a wire connecting part (2), wherein the wire connecting part (2) and the inserting piece body (1) are directly punched to form an integrated structure, an embedding groove (3) and a laminating bulge (4) are respectively formed in the front side and the back side of the inserting piece body (1), embedding pieces (5) with unequal lengths are respectively fixedly installed on the two sides of the inserting piece body (1), the shapes of the two embedding pieces (5) are different, the embedding piece (5) positioned on one side of the inserting piece body (1) is in a convex box shape, and the embedding piece (5) positioned on the other side of the inserting piece body (1) is in a sunken box shape;

the wiring portion (2) afterbody curls to one side and forms a package face (6), be equipped with wiring hole (7) that the shape is waist shape hole on the straight line of package face (6) center place, wiring hole (7) are established on the straight line at two embedding pieces (5) places.

2. A capacitor conductive insert structure according to claim 1, wherein the top of the insert body (1) is punched and fixedly connected with a contact head (8), the outer end of the contact head (8) is made into a circular arc shape, and the outer surface of the contact head (8) is polished.

3. The structure of claim 1, wherein the embedding groove (3) is formed by combining a rectangular body and a trapezoidal body, and the shape and size of the attaching protrusion (4) are the same as those of the embedding groove (3).

4. A production method of a capacitor conductive insert structure is characterized by comprising the following steps:

5. The method of claim 4, wherein the insert is bonded in step 100 by:

6. The method of claim 5, wherein in step 101, the bonding hole is in the shape of a truncated cone with a narrow inner portion and a wide outer portion.

7. The method for producing the conductive tab structure of capacitor as claimed in claim 4, wherein in step 200, the step of stamping the wrapping surface comprises:

8. The method of claim 4, wherein in step 300, the main body structure is joggled by the following steps: