CN210160304U

CN210160304U - Capacitor forming die

Info

Publication number: CN210160304U
Application number: CN201920408923.9U
Authority: CN
Inventors: 沙剑; 印险峰; 周枢群; 余云国
Original assignee: NANTONG JIANGHAI CAPACITOR CO Ltd
Current assignee: NANTONG JIANGHAI CAPACITOR CO Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-03-20
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a capacitor forming die, including mould connecting piece and formed part, the mould connecting piece is connected with high-speed shaping braider, the formed part is fixed on the mould connecting piece, including supporting part and arc portion, the arc portion sets up the middle part of supporting part, and the arc portion is outside protruding, the utility model discloses a forming die reduces the damage to the lead wire when shaping through the curved design to the shaping position, has protected the soldering tin layer of lead wire, has reduced the leakage current after the shaping, has increased the weldability, has improved the performance of product; meanwhile, the die can be conveniently disassembled and replaced according to different molding requirements, so that the working efficiency is increased, and the cost is saved.

Description

Capacitor forming die

Technical Field

The utility model relates to a condenser shaping field, in particular to condenser forming die.

Background

The main production flow of the aluminum electrolytic capacitor is as follows: cutting foil → piercing-riveting and wrapping roll → assembling sleeve → aging → testing → braiding → packaging and leaving factory. The capacitor forming is in the last process in the whole production flow, the requirement on the precision of a forming die is high, and the key size is difficult to master. In order to improve the production efficiency and meet the market demand, the currently used forming equipment is a high-speed forming braider, and the machine speed reaches 180 times/minute. In such a high-speed movement process, the requirement for adjusting the forming die is also high, otherwise, the performance of the capacitor is adversely affected under the action of strong inertia. When a complete machine factory produces electrical products such as televisions, assembly line operation is generally adopted, and the straight pins of the capacitor are required to be molded to a specified process size (as shown in figure 1) so as to be welded and assembled on a circuit board. The physical deformation of the lead wire during the forming process inevitably affects the quality of the capacitor.

As shown in fig. 2, in the prior art, the forming part of the forming mold is mainly triangular, the lead of the capacitor is subjected to a large pulling force during the forming process, which causes poor contact of the capacitor, damages the oxide film, and increases the leakage current, and the triangular forming design easily causes the lead solder layer to be damaged more seriously at the tip end, which affects the solderability.

Therefore, a new forming mold is urgently needed to solve the defects of the prior art.

Disclosure of Invention

An object of the present invention is to provide a capacitor forming mold.

In order to solve the technical problem, the utility model discloses a concrete technical scheme as follows:

the utility model provides a condenser forming die for reduce the leakage current change after the condenser shaping, reduce the damage of lead wire, improve the weldability of lead wire, forming die includes mould connecting piece and formed part, the mould connecting piece is connected with high-speed shaping braider, and high-speed shaping braider can drive the motion of mould connecting piece, the formed part is fixed on the mould connecting piece, including supporting part and arc portion, the arc portion sets up the middle part of supporting part, and the arc portion is outside protruding for to condenser right angle shaping to regulation process dimension as required.

Further, the supporting part includes first supporting part and second supporting part, the one end of arc portion with first supporting part is connected, the other end of arc portion with the second supporting part is connected.

Further, the molding member is integrally molded with the mold connecting member.

Optionally, the molding member is fixedly connected to the mold connecting member.

Optionally, the formed part and the die connecting piece are fixed through bolts, the bolts are fixed, the die connecting piece is convenient to detach and replace, the process sizes with different requirements can be met, and cost and time are saved.

Optionally, the formed part and the die connecting part are fixed by welding, and the welding fixing structure is stable and is not prone to position dislocation.

Alternatively, the length of the support portion is zero, in which case the profile members are all arcuate portions, and thus the arcuate portions are all profiled regions.

Further, the mould connecting piece is including adding the portion of holding, the clamping part is close to the forming part setting for the centre gripping the afterbody of condenser lead wire, the clamping part will when the shaping the lead wire afterbody centre gripping of condenser can guarantee that the atress downwardly extending to reduce the shaping and produce the influence of performance.

Further, both ends of the arc-shaped part are fixed on the die connecting piece.

Optionally, the material of the mold is steel.

Adopt above-mentioned technical scheme, a condenser forming die have following beneficial effect:

1. a condenser forming die, through to shaping position curved design, reduce the damage to the lead wire when the shaping, protected the soldering tin layer of lead wire, reduced the leakage current after the shaping, increased the weldability.

2. A condenser forming die, can conveniently dismantle and change according to the shaping requirement of difference, increased work efficiency and practiced thrift the cost.

3. A condenser forming die, simple structure, the improvement of being convenient for, reasonable adjustment and the routine maintenance of strengthening forming die can make the performance of product after the condenser shaping obviously improve.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment 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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of a capacitor formation modification;

FIG. 2 is a schematic view of a prior art capacitor forming mold;

FIG. 3 is a schematic structural diagram of a first embodiment of a capacitor forming mold according to the present invention;

fig. 4 is a schematic structural view of embodiment 2.

In the figure: 1-mould connection, 2-moulding, 21-support, 22-arc, 211-first support, 212-second support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

Example 1

To the defects existing in the capacitor forming mold in the prior art, the embodiment provides a capacitor forming mold, which is used for reducing the leakage current change after the capacitor forming, reducing the damage of the lead and improving the weldability of the lead, as shown in fig. 3, the forming mold comprises a mold connecting piece 1 and a formed piece 2, the mold connecting piece 1 is connected with a high-speed forming braider, the high-speed forming braider can drive the mold connecting piece 1 to move, the formed piece 2 is fixed on the mold connecting piece 1 and comprises a supporting part 21 and an arc-shaped part 22, the arc-shaped part 22 is arranged in the middle of the supporting part 21, and the arc-shaped part 22 protrudes outwards and is used for forming the capacitor to a specified process size at a right angle according to requirements.

Specifically, arc portion 22 carries out the shaping transformation as the atress point of condenser lead wire to the lead wire, compares traditional triangle-shaped form, and the soldering tin layer of protection lead wire that can be effectual to reduce the damage of lead wire oxide film, make the leakage current reduce.

In some embodiments, the support portion 21 includes a first support portion 211 and a second support portion 212, and the arc portion 22 is provided at a junction of the first support portion 211 and the second support portion 212 such that one end of the arc portion is connected to the first support portion and the other end of the arc portion is connected to the second support portion, and particularly, the first support portion 211 and the second support portion 212 are also used to adjust the size of the capacitor lead during the molding process.

In some embodiments, the forming member 2 and the mold connecting member 1 are integrally formed, so that the production and the manufacturing are convenient, and preferably, the forming member 2 and the mold connecting member 1 are fixed by welding, and the welding structure is stable and is not easy to cause position dislocation.

Of course, as optionally, formed part 2 with die connecting piece 1 can dismantle the connection, the adjustment and the maintenance of forming die of being convenient for, as preferred, formed part 2 with die connecting piece 1 passes through the bolt fastening, and the bolt fastening is convenient for dismantle and change, can adapt to the technology size of different demands, has practiced thrift cost and time.

Of course, other connection modes can be selected according to different hardware requirements and molding size requirements, which is not specifically described herein.

In some embodiments, the material of the mold is steel.

1) The capacitor forming die provided by the embodiment has the following beneficial effects: a condenser forming die, through to shaping position curved design, reduce the damage to the lead wire when the shaping, protected the soldering tin layer of lead wire, reduced the leakage current after the shaping, increased the weldability.

2) A condenser forming die, can conveniently dismantle and change according to the shaping requirement of difference, increased work efficiency and practiced thrift the cost.

3) A condenser forming die, simple structure, the improvement of being convenient for, reasonable adjustment and the routine maintenance of strengthening forming die can make the performance of product after the condenser shaping obviously improve.

Example 2, an alternative to example 1

The embodiment provides a capacitor forming die for reduce the leakage current change after the shaping of condenser, reduce the damage of lead wire, improve the solderability of lead wire, as shown in fig. 4, forming die includes mould connecting piece 1 and formed part 2, mould connecting piece 1 is connected with high-speed shaping braider, and high-speed shaping braider can drive mould connecting piece 1 moves, formed part 2 is fixed on mould connecting piece 1, including supporting part 21 and arc portion 22, arc portion 22 sets up the middle part of supporting part 21, and arc portion 22 is outside protruding for according to the requirement to the shaping of condenser right angle to regulation technology size.

In the present embodiment, the length of the support portion 21 is zero, and in this condition, the molding member 2 is an arc portion 22, and therefore the arc portion 22 is an entire molding portion. Specifically, both ends of the arc-shaped portion are fixed to the mold connecting member.

In this embodiment, the mold connecting member 1 includes a clamping portion (embodied in the figure), the clamping portion is disposed near the molding member 2 and is used for clamping the tail portion of the capacitor lead, and the clamping portion clamps the tail portion of the capacitor lead during molding, so as to ensure that the stress extends downward, thereby reducing the influence of molding on the product performance.

In some embodiments, the material of the mold is steel.

The beneficial effects of the capacitor forming mold provided by this embodiment are substantially the same as those of embodiment 1, and are not repeated here.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention, as will be apparent to those skilled in the art, the invention is not limited to the details of the foregoing exemplary embodiment, but rather is embodied in other specific forms without departing from the spirit or essential characteristics 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a condenser forming die, its characterized in that, includes mould connecting piece (1) and formed part (2), mould connecting piece (1) is connected with high-speed shaping braider, formed part (2) are fixed on mould connecting piece (1), including supporting part (21) and arc portion (22), arc portion (22) set up the middle part of supporting part (21), and arc portion (22) are outside protruding.

2. A mold for forming a capacitor according to claim 1, wherein the support portion (21) comprises a first support portion (211) and a second support portion (212), one end of the arc portion (22) is connected to the first support portion (211), and the other end of the arc portion (22) is connected to the second support portion (212).

3. A capacitor forming die according to claim 1, wherein the formed part (2) is formed integrally with the die attachment (1).

4. A capacitor forming die according to claim 1, characterized in that the formed part (2) is fixedly connected to the die attachment (1).

5. The mold for molding a capacitor as claimed in claim 4, wherein the molding member (2) is fixed to the mold connecting member (1) by bolts.

6. The mold for molding a capacitor as claimed in claim 4, wherein the molding member (2) is fixed to the mold connecting member (1) by welding.

7. A mold for forming capacitors as claimed in claim 1, wherein the length of the support portion (21) is zero.

8. A capacitor forming die according to claim 1, wherein both ends of the arc-shaped portion (22) are fixed to the die attachment (1).

9. The mold for forming a capacitor of claim 1, wherein the mold is made of steel.