CN1469410A

CN1469410A - Manufacture of miniature industrial fuse

Info

Publication number: CN1469410A
Application number: CNA02126113XA
Authority: CN
Inventors: 邱鸿智
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-16
Filing date: 2002-07-16
Publication date: 2004-01-21

Abstract

The manufacture of miniature industrial fuse includes the following steps: forming fuse seat with two parallel holes; threading two wires with connecting part in the same side of the fuse seat through the two holes; flattening the connecting parts, cutting notches and forming curved slots; welding one fuse onto the curved slots; and covering the seat with one cover to cover the two connecting parts and the fuse. Welding in the connecting parts results in stable connection and high product quality.

Description

Manufacture of miniature industrial fuse

[technical field]

The present invention relates to a kind of manufacture of miniature industrial fuse, relate to particularly that a kind of scolding tin is more effective to be adhered to, with the manufacture of miniature industrial fuse of the firm welding of fuse.

[background technology]

Shown in Figure 1A-1D, the production method of general microfuze is first moulding one pedestal 1, and pedestal 1 has one first 11 and one in contrast to first 11 second 12, and is penetrated with two perforation 10 in first 11 and second 12.Two leads 2 are passed an above-mentioned perforation 10 respectively, and make the two ends of two leads 2 all protrude from first 11 and second 12 suitable length of pedestal 1.An end that is located on 1 first 11 of pedestal in two leads 2 is formed with a group connecting part 20 respectively, be pressed into two group connecting parts 20 conplane flat-shaped, on two group connecting parts 20, be welded with a fuse 21, the direction of pedestal 1 along two leads 2 toward two group connecting parts 20 moved, up to pedestal 1 close fuse 21, be covered on pedestal 1 with a housing 3 by 1 first 11 of pedestal, make two group connecting parts 20 and fuse 21 all be positioned at housing 3.

And general manufacture is when fuse 21 is welded on two group connecting parts 20, usually because do not have suitable positioning design on two group connecting parts 20, make fuse 21 before welding, be difficult to the location, influence the carrying out of welding job, and do not design any structure that helps scolding tin to adhere on two group connecting parts 20 yet, usually make that the scolding tin of welding is difficult to adhere to, also just be difficult to fixedly fuse 21, cause many products to meet the requirements, acceptance rate is on the low side, because the number of scolding tin adhesion amount is the resistance value that directly influences product.

[summary of the invention]

The object of the present invention is to provide a kind of manufacture of miniature industrial fuse, make the scolding tin of welding can be more effective certain be attached to group connecting part so that fuse firmly connects this group connecting part, thereby can improve the quality of products and acceptance rate.

The invention provides a kind of manufacture of miniature industrial fuse, it is characterized in that: comprise the steps:

(a) first moulding one pedestal, this pedestal is provided with two parallel perforation;

(b) be equipped with a lead respectively in this two perforation, two leads all have a group connecting part in this pedestal the same side;

(c) this two group connecting part is pressed into flat-shaped, and offers a short slot respectively and form a deep-slotted chip breaker respectively;

(d) getting a fuse places on this two deep-slotted chip breaker and is welded; And

(e) be covered on this pedestal with a housing, make this two group connecting part and this fuse be positioned at this housing.

Described manufacture of miniature industrial fuse is characterized in that: the mode that this pedestal can ejection formation in step (a) is made.

Described manufacture of miniature industrial fuse is characterized in that: in step (c) this two group connecting part can be pressed into be in conplane flat-shaped.

Described manufacture of miniature industrial fuse, it is characterized in that: can be in step (c) prior to offering a short slot respectively on this two group connecting part, again this two group connecting parts bending is in the same direction formed a deep-slotted chip breaker respectively, vertical this residing plane of two flat-shaped group connecting parts of the direction of this two deep-slotted chip breakers bending.

Described manufacture of miniature industrial fuse, it is characterized in that: in step (c), also can earlier this two group connecting parts bending in the same direction be formed a deep-slotted chip breaker respectively, vertical this residing plane of two flat-shaped group connecting parts of the direction of this two deep-slotted chip breakers bending is offered a short slot respectively again on this two group connecting part.

In sum, manufacture method of the present invention is to form deep-slotted chip breaker 653 and short slot 651 in two leads, 6 group connecting parts 65, fuse 68 can be positioned on two group connecting parts 65 easily, the carrying out that helps welding job, and scolding tin is attached on two group connecting parts 65 easily, and then fuse 68 is fixing, can make the resistance value of product lower, improve the acceptance rate and the stability of product.

[description of drawings]

The present invention is described in detail below in conjunction with drawings and Examples:

Figure 1A-1D is a kind of flow chart of existing manufacture of miniature industrial fuse.

Fig. 2 A-2F is the flow chart of the present invention than Cui embodiment.

Fig. 3 is the side schematic view of the present invention than Cui embodiment pedestal and two leads.

Fig. 4 is the three-dimensional exploded view of the present invention than Cui embodiment.

[embodiment]

Shown in Fig. 2 A-2F, for manufacture of miniature industrial fuse of the present invention than Cui embodiment, present embodiment step a elder generation ejection formation has a pedestal 5, pedestal 5 is one cylindric, it has one first 51, one in contrast to first 51 second 52, and one be located on first 51 and second 52 side 53, is equipped with a flange 531 on side 53, and is provided with the two parallel perforation 54 that run through first,

second face

51,52 in pedestal 5.

In step b is to be equipped with a lead 6 respectively in two perforation 54, two leads, 6 isometric be arrangeding in parallel, and all have one first end 61 and second end 62 in contrast to first end 61, first,

second end

61,62 of two leads 6 lays respectively at first,

second face

51,52 both sides of pedestal 5, and pedestal 5 is positioned at earlier near two leads, 6 second ends, 62 places, mainly be the just processing of first end, 61 prescriptions that makes two leads 6, and form group connecting part 65 in first end 61 of two leads 6.

With reference to Fig. 2 C, 2D, 2E and Fig. 3, in step c with group connecting part 65 be pressed into be in conplane flat-shaped, and offer a short slot 651 respectively in the free end of flat-shaped group connecting part 65, short slot 651 is to extend suitable distance by the direction of the past pedestal 5 of free end of group connecting part 65, again two group connecting part 65 bendings are in the same direction formed a deep-slotted chip breaker 653 (as shown in Figure 3) respectively, the direction vertical two flat-shaped group connecting parts 65 residing planes of two deep-slotted chip breakers, 653 bendings.The aforementioned forward and backward order that offers short slot 651 and be formed with deep-slotted chip breaker 653 on two group connecting parts 65 is interchangeable, that is to say and earlier two group connecting parts 65 to be bent to form deep-slotted chip breaker 653, on two group connecting parts 65, offer short slot 651 again, as long as can make two group connecting parts 65 have short slot 651 and deep-slotted chip breaker 653 just can.

Getting a fuse 68 in steps d places on two deep-slotted chip breakers 653, the length of fuse 68 waits the spacing of being longer than two leads 6 approximately, fuse 68 is by the design of deep-slotted chip breaker 653 and can temporarily be positioned on two group connecting parts 65 easily, be unlikely to crooked or by dropping on the group connecting part 65 because of a little vibrations, help ensuing welding job, scolding tin during welding can be because of the design of short slot 651, and be attached to easily on two group connecting parts 65, and then the both ends of fuse 68 are fixed on two group connecting parts 65, and because of scolding tin can adhere to easily, and make the soldering tin amount on two group connecting parts 65 be enough to firm fuse 68 is fixed, and the soldering tin amount that connects fuse 68 and group connecting part 65 is even, so the resistance value of product is all suitable, improve the yield and the stability of product.

With reference to Fig. 2 F and Fig. 4, after fuse 68 is fixed on two group connecting parts 65, pedestal 5 is moved toward the direction near two group connecting parts 65 along two leads 6, first 51 that moves to pedestal 5 is connected to till two group connecting parts 65, be covered on the pedestal 5 by 5 first 51 of pedestals with a housing 7 again in step e, just finish manufacture process, and housing 7 slightly is one cylindric, its inside has an open accommodation space 71, perisporium in accommodation space 71 is equipped with a groove 73, the group connecting part 65 of two leads 6 and fuse 68 are to be positioned at accommodation space 71 when housing 7 is covered on the pedestal 5, and the set flanges 531 of pedestal 5 sides 53 can be corresponding snap in groove 73 in the accommodation space 71, make housing 7 and pedestal 5 be difficult for breaking away from mutually.

Claims

1, a kind of manufacture of miniature industrial fuse is characterized in that: comprise the steps:

2, manufacture of miniature industrial fuse as claimed in claim 1 is characterized in that: this pedestal is to make in the mode of ejection formation in step (a).

3, manufacture of miniature industrial fuse as claimed in claim 1 is characterized in that: in step (c) this two group connecting part be pressed into be in conplane flat-shaped.

4, manufacture of miniature industrial fuse as claimed in claim 3, it is characterized in that: in step (c) prior to offering a short slot respectively on this two group connecting part, again this two group connecting parts bending is in the same direction formed a deep-slotted chip breaker respectively, vertical this residing plane of two flat-shaped group connecting parts of the direction of this two deep-slotted chip breakers bending.

5, manufacture of miniature industrial fuse as claimed in claim 3, it is characterized in that: in step (c), earlier this two group connecting parts bending is in the same direction formed a deep-slotted chip breaker respectively, vertical this residing plane of two flat-shaped group connecting parts of the direction of this two deep-slotted chip breakers bending is offered a short slot respectively again on this two group connecting part.