CN104242066A - Machining method of spark plug cap winding resistor - Google Patents
Machining method of spark plug cap winding resistor Download PDFInfo
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- CN104242066A CN104242066A CN201410415811.8A CN201410415811A CN104242066A CN 104242066 A CN104242066 A CN 104242066A CN 201410415811 A CN201410415811 A CN 201410415811A CN 104242066 A CN104242066 A CN 104242066A
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- alloy wire
- silver
- metal cap
- bearing copper
- baking
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Abstract
The invention discloses a machining method of a spark plug cap winding resistor. The method includes the steps of firstly, pressing metal caps (2) at the two ends of a ceramic stick (1); secondly, winding an alloy wire (3) around the stick body of the ceramic stick (1), and welding the ends of the alloy wire (3) to the corresponding metal caps (2); thirdly, coating the welding positions of the alloy wire (3) and the metal caps (2) with silver copper slurry, and forming a silver copper slurry layer (4) after the silver copper slurry is solidified; fourthly, coating the outer faces of open ends of the metal caps (2) and the portion, between the two metal caps (2), of the stick body of the ceramic stick (1) with high-temperature paint, sending the metal caps (2) and the ceramic stick (1) into an oven to be baked, and solidifying the high-temperature paint to form a high-temperature paint layer (5). The alloy wire and the metal caps are bonded through the silver copper slurry, the connection reliability between the alloy wire and the metal caps is ensured on the premise that the alloy wire is not damaged, and therefore the conductivity of the winding resistor is effectively improved, and the machining method has the advantages of being ingenious in design, simple in structure, easy to refit, low in refit cost and the like.
Description
Technical field
The present invention relates to a kind of spark plug cap parts, the processing method of the wire resistor particularly on spark plug cap.
Background technology
Spark plug cap is the vitals on automobile, motorcycle and logical machine, and for connecting high-voltage line and spark plug, its quality, directly affects the startability of automobile, motorcycle or logical machine.Wire resistor is arranged in spark plug cap, and be made up of porcelain rod, alloy wire and metal cap etc., press-fit metal cap at the two ends of porcelain rod, alloy wire is wound on porcelain rod, and the two ends of alloy wire are welded on two metal caps respectively.Welding procedure between alloy wire and metal cap is spot welding, and easily produce dry joint or rosin joint because point is welded in frequent production process, in use, spot welding place between alloy wire and metal cap easily comes off such wire resistor, causes wire resistor not conducting.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of processing method of spark plug cap wire resistor, to improve the conduction of wire resistor.
Technical solution of the present invention is as follows: a kind of processing method of spark plug cap wire resistor, comprises the following steps:
1) metal cap (2) is press-fited at the two ends of porcelain rod (1);
2) alloy wire (3) is wound around with it at the rod of porcelain rod (1), make two ends and two metal cap (2) one_to_one corresponding of alloy wire (3), and the termination of alloy wire (3) is welded on corresponding metal cap (2);
3) apply silver-bearing copper at alloy wire (3) with the weld of metal cap (2) to starch, form silver-bearing copper pulp layer (4) after the solidification of silver-bearing copper slurry, make alloy wire (3) be adhesively fixed on metal cap (2) near a bit of of termination by silver-bearing copper pulp layer (4);
4) the rod coated with high temperature paint with it between two metal caps (2) is positioned in the outside of metal cap (2) opening end and porcelain rod (1), then oven for baking is sent into, make high temperature paint curing, formed high temperature oil enamelled coating (5), this high temperature oil enamelled coating (5) by alloy wire (3) and silver-bearing copper pulp layer (4) coated.
Present invention process is simple, and operation is few, while being conducive to batch production, can guarantee quality and the uniform production of product.The present invention starches near end coating silver-bearing copper at alloy wire, alloy wire is fixed on metal cap by the adhesive property starched by silver-bearing copper, and alloy wire is injury-free, and the conductivity of silver-bearing copper slurry does not affect the contact conduction property between alloy wire and metal cap, to be connected firmly between such alloy wire and metal cap, reliably, can not occur to loosen or come off, effectively eliminate wire resistor and not conducting phenomenon occurs, ensure that constant product quality.Alloy wire termination and the spot welding between metal cap as together with aided process, play a part to locate alloy wire termination, so that alloy wire coating silver-bearing copper slurry is fixed with metal cap.The opening end of metal cap is hidden in high temperature oil enamelled coating, and high temperature oil enamelled coating plays sealing, and steam etc. can be avoided to enter the conduction property affecting wire resistor in metal cap; Meanwhile, high temperature oil enamelled coating can also aesthetic appeal, makes wire resistor more attractive in appearance.
Described metal cap (2) is stamped to form by the chromium plate that 0.27-0.33mm is thick.More than utilize the good ductility of chromium, not only processing technology is simple, and production efficiency is high, and the structural strength of metal cap is good, not easily deforms or damages.
In order to raise the efficiency, silver-bearing copper be starched and solidifies as early as possible, as preferably, step 3) in, the weld of alloy wire (3) and metal cap (2) apply after silver-bearing copper starches, feeding oven for baking, baking time is 25-35 minute, and baking temperature is 65-75 DEG C, makes silver-bearing copper starch solidification.
In order to make high temperature oil enamelled coating have enough thickness, protecting alloy wire, making high temperature paint simultaneously and solidifying as early as possible, step 4) middle coating three high temperature paint; The temperature sending into oven for baking is 195-205 DEG C, and baking time is 1.9-2.1 hour.
Beneficial effect: the present invention is by silver-bearing copper slurry bonding alloy line and metal cap, can under the prerequisite not damaging alloy wire, guarantee the fixing be connected between alloy wire with metal cap, thus effectively improve the conduction property of wire resistor, there is the features such as design is ingenious, structure simple, transformation is easy, improvement cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1
As shown in Figure 1, the present embodiment comprises the following steps:
1) chromium plate punching press thick for 0.27mm is formed metal cap 2, and metal cap 2 is press fit into the two ends of porcelain rod 1;
2) be wound around alloy wire 3 with it at the rod of porcelain rod 1, make two ends and two metal cap 2 one_to_one corresponding of alloy wire 3, and the termination of alloy wire 3 by spot-welded on the metal cap 2 of correspondence;
3) apply silver-bearing copper at alloy wire 3 with the weld of metal cap 2 to starch, then send into oven for baking, baking time is 25 minutes, and baking temperature is 75 DEG C, form silver-bearing copper pulp layer 4 after making silver-bearing copper starch solidification, alloy wire 3 is adhesively fixed on metal cap 2 near a bit of of termination by silver-bearing copper pulp layer 4;
4) continuous coating three high temperature paint with it of the rod between two metal caps 2 in the outside of metal cap 2 opening end and porcelain rod 1, then oven for baking is sent into, the temperature of baking is 195 DEG C, baking time is 2.1 hours, make high temperature paint curing, form high temperature oil enamelled coating 5, this high temperature oil enamelled coating 5 by alloy wire 3 and silver-bearing copper pulp layer 4 coated.
Embodiment 2
As shown in Figure 1, the present embodiment comprises the following steps:
1) chromium plate punching press thick for 0.3mm is formed metal cap 2, and metal cap 2 is press fit into the two ends of porcelain rod 1;
2) be wound around alloy wire 3 with it at the rod of porcelain rod 1, make two ends and two metal cap 2 one_to_one corresponding of alloy wire 3, and the termination of alloy wire 3 by spot-welded on the metal cap 2 of correspondence;
3) apply silver-bearing copper at alloy wire 3 with the weld of metal cap 2 to starch, then send into oven for baking, baking time is 30 minutes, and baking temperature is 70 DEG C, form silver-bearing copper pulp layer 4 after making silver-bearing copper starch solidification, alloy wire 3 is adhesively fixed on metal cap 2 near a bit of of termination by silver-bearing copper pulp layer 4;
4) continuous coating three high temperature paint with it of the rod between two metal caps 2 in the outside of metal cap 2 opening end and porcelain rod 1, then oven for baking is sent into, the temperature of baking is 200 DEG C, baking time is 2 hours, make high temperature paint curing, form high temperature oil enamelled coating 5, this high temperature oil enamelled coating 5 by alloy wire 3 and silver-bearing copper pulp layer 4 coated.
Embodiment 3
As shown in Figure 1, the present embodiment comprises the following steps:
1) chromium plate punching press thick for 0.33mm is formed metal cap 2, and metal cap 2 is press fit into the two ends of porcelain rod 1;
2) be wound around alloy wire 3 with it at the rod of porcelain rod 1, make two ends and two metal cap 2 one_to_one corresponding of alloy wire 3, and the termination of alloy wire 3 by spot-welded on the metal cap 2 of correspondence;
3) apply silver-bearing copper at alloy wire 3 with the weld of metal cap 2 to starch, then send into oven for baking, baking time is 35 minutes, and baking temperature is 65 DEG C, form silver-bearing copper pulp layer 4 after making silver-bearing copper starch solidification, alloy wire 3 is adhesively fixed on metal cap 2 near a bit of of termination by silver-bearing copper pulp layer 4;
4) continuous coating three high temperature paint with it of the rod between two metal caps 2 in the outside of metal cap 2 opening end and porcelain rod 1, then oven for baking is sent into, the temperature of baking is 205 DEG C, baking time is 1.9 hours, make high temperature paint curing, form high temperature oil enamelled coating 5, this high temperature oil enamelled coating 5 by alloy wire 3 and silver-bearing copper pulp layer 4 coated.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection range of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. a processing method for spark plug cap wire resistor, is characterized in that comprising the following steps:
1) metal cap (2) is press-fited at the two ends of porcelain rod (1);
2) alloy wire (3) is wound around with it at the rod of porcelain rod (1), make two ends and two metal cap (2) one_to_one corresponding of alloy wire (3), and the termination of alloy wire (3) is welded on corresponding metal cap (2);
3) apply silver-bearing copper at alloy wire (3) with the weld of metal cap (2) to starch, form silver-bearing copper pulp layer (4) after the solidification of silver-bearing copper slurry, make alloy wire (3) be adhesively fixed on metal cap (2) near a bit of of termination by silver-bearing copper pulp layer (4);
4) the rod coated with high temperature paint with it between two metal caps (2) is positioned in the outside of metal cap (2) opening end and porcelain rod (1), then oven for baking is sent into, make high temperature paint curing, formed high temperature oil enamelled coating (5), this high temperature oil enamelled coating (5) by alloy wire (3) and silver-bearing copper pulp layer (4) coated.
2. the processing method of spark plug cap wire resistor as claimed in claim 1, is characterized in that: described metal cap (2) is stamped to form by the chromium plate that 0.27-0.33mm is thick.
3. the processing method of spark plug cap wire resistor as claimed in claim 1 or 2, it is characterized in that: step 3) in, the weld of alloy wire (3) and metal cap (2) applies after silver-bearing copper starches, send into oven for baking, baking time is 25-35 minute, baking temperature is 65-75 DEG C, makes silver-bearing copper starch solidification.
4. the processing method of spark plug cap wire resistor as claimed in claim 1, is characterized in that: step 4) middle coating three high temperature paint; The temperature sending into oven for baking is 195-205 DEG C, and baking time is 1.9-2.1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415811.8A CN104242066B (en) | 2014-08-22 | 2014-08-22 | The processing method of spark plug cap wire resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415811.8A CN104242066B (en) | 2014-08-22 | 2014-08-22 | The processing method of spark plug cap wire resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104242066A true CN104242066A (en) | 2014-12-24 |
| CN104242066B CN104242066B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410415811.8A Active CN104242066B (en) | 2014-08-22 | 2014-08-22 | The processing method of spark plug cap wire resistor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200169108Y1 (en) * | 1996-10-04 | 2000-02-01 | 조현복 | Resistor |
| CN201364789Y (en) * | 2009-01-07 | 2009-12-16 | 郑东浩 | Lacquering runner for producing resistors and production line thereof |
| CN201838411U (en) * | 2010-09-30 | 2011-05-18 | 常州市南方电器元件厂有限公司 | Aluminum housed resistor |
| CN201838410U (en) * | 2010-09-30 | 2011-05-18 | 常州市南方电器元件厂有限公司 | Surface mount device (SMD) wire-wound resistor |
-
2014
- 2014-08-22 CN CN201410415811.8A patent/CN104242066B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200169108Y1 (en) * | 1996-10-04 | 2000-02-01 | 조현복 | Resistor |
| CN201364789Y (en) * | 2009-01-07 | 2009-12-16 | 郑东浩 | Lacquering runner for producing resistors and production line thereof |
| CN201838411U (en) * | 2010-09-30 | 2011-05-18 | 常州市南方电器元件厂有限公司 | Aluminum housed resistor |
| CN201838410U (en) * | 2010-09-30 | 2011-05-18 | 常州市南方电器元件厂有限公司 | Surface mount device (SMD) wire-wound resistor |
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| Publication number | Publication date |
|---|---|
| CN104242066B (en) | 2016-07-06 |
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