CN1866416A - Forming method for protective film with guide line resistor and protective film forming device - Google Patents
Forming method for protective film with guide line resistor and protective film forming device Download PDFInfo
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- CN1866416A CN1866416A CN 200610080265 CN200610080265A CN1866416A CN 1866416 A CN1866416 A CN 1866416A CN 200610080265 CN200610080265 CN 200610080265 CN 200610080265 A CN200610080265 A CN 200610080265A CN 1866416 A CN1866416 A CN 1866416A
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Abstract
The provided forming method for protective film of wired resistor comprises: fixing wire (4) on tabled metal-made uncoated cover (3) of main body (1), crimp connecting the conveyer belt (11) up-and-bottom on wire (4) from conveying chain (6) to supporting body (9), driving (9) and (4) to force the main body (1) rolling; before the or during forcing rolling, coating paint (12) by a rolling wheel (14), and hot curing the film in a drying furnace (8) to obtain the protective film (5).
Description
Technical field
The present invention relates to formation method and protection membrane formation device with the lip-deep diaphragm of the main part that is located at not application of guide line resistor, this band guide line resistor have at the both ends of resistive element chimeric metal lid arranged roughly become lead on columned main part and the lid that is fixed on this main part.
Background technology
In the manufacture process of this band guide line resistor; the chimeric metal lid at the both ends of resistive element and form the main part of not application; extend ground with the concentric shape of main part ground behind difference fixing cord on two lids to foreign side then, carry out these leads being supported the carrying operation of formation diaphragm on the surface of main part on one side on one side.
As the general method of such formation diaphragm, having on the surface of the main part of the resistor by the supply of carrying chain known to extensively utilizes the coating cylinder to be coated with the barrel enamelling method (for example with reference to patent documentation 1) of coating.This barrel enamelling method is adhered to the main part that jar coating cylinder of interior coating touches the resistor in the handling process by rotation; and being coated with the coating method of the coating that diaphragm uses on the surface of main part, the resistor after the coating is transported to drying oven in order to make the coating thermmohardening.At this moment; be coated with the presclerotic coating on the main part of resistor because deadweight is mobile easily downwards; so be difficult to form roughly filming of desired thickness uniformly on the surface of main part in the primary coating operation, the operation that therefore applies the coating that the dry-run protection film uses will be carried out twice to three times.
Patent documentation 1-spy opens flat 9-10660 communique (second page).
In above-mentioned prior art, in the manufacture process of band guide line resistor, need repeatedly to apply the operation of the coating that dry-run protection uses, so spin out and be difficult to reduce manufacturing cost the needed activity duration of the formation of diaphragm.And; when the viscosity of the coating of using at diaphragm was high, it was easy to be coated with less than coating on the step between resistive element and the lid in its working procedure of coating, formed the gap; therefore might emit and produce pore owing to the air in this gap becomes bubble in drying process, thus the damage reliability.
Summary of the invention
The present invention carries out in view of the actual conditions of prior art, and its first purpose provides a kind of diaphragm with high reliability and can form and reduce the diaphragm formation method of the band guide line resistor of manufacturing cost easily with primary coating.And second purpose of the present invention provides the protection membrane formation device that the diaphragm of high reliability can be reduced easily the band guide line resistor of manufacturing cost with primary coating formation.
In order to achieve the above object, preparing the main part of the not application that chimeric metal lid forms on the both ends at resistive element in the diaphragm formation method of band guide line resistor of the present invention, behind difference fixing cord on above-mentioned two lids of this main part, on one side these leads are supported in the manufacture process of carrying the band guide line resistor that forms diaphragm on one side on the surface of aforementioned body part, comprising: rotate operation by the pressure that makes above-mentioned lead rolling force to rotate the aforementioned body part along the carrying direction; By applying the working procedure of coating that roller is being coated with coating on the surface of aforementioned body part; And make and be coated with the drying process that becomes said protection film in the lip-deep coating thermmohardening of aforementioned body part, above-mentioned working procedure of coating rotates carrying out of operation midway or just in above-mentioned pressure before it.
According to such diaphragm formation method; force to make resistance to rotate with coating roller coating back the coating that diaphragm is used; so when can on the surface of main part, form roughly filming of desired thickness uniformly with the primary coating operation; even the viscosity height of coating also is difficult to produce the gap of the main cause that becomes pore,, this can form the high diaphragm of reliability with the drying process thermmohardening by being filmed.Therefore, the needed activity duration of formation of the diaphragm of band guide line resistor shortens significantly, can reduce manufacturing cost.
In said protection film formation method; be preferably in and force to rotate in the operation; when placing lead on the supporter that extends setting along the carrying direction; on this lead from above make the conveyer belt crimping; by driving this conveyer belt lead rolled on supporter, because can simplify the mechanism that the lead that makes behind the working procedure of coating only forces to rotate necessary number of times effectively like this along the carrying direction.
And; in said protection film formation method; the initial stage that is preferably in drying process also makes main part force to rotate by lead; then force to rotate before the thermmohardening of filming to a certain extent on the surface of main part, therefore can not produce and result from the inequality of thickness of deadweight of coating in the initial stage of drying process.
Also have, in order to reach above-mentioned second purpose, in the present invention, form in the protection membrane formation device of band guide line resistor of diaphragm on the surface of aforementioned body part on one side these leads being supported carrying on above-mentioned two lids of the main part of the not application of the chimeric metal lid in the both ends of resistive element respectively behind the fixing cord, on one side, have: extend the supporter that is provided with along the carrying direction; On this supporter along carrying direction driven movably jointless conveyer belt; And be used for the coating roller that coating is being coated with on the surface of aforementioned body part, by the above-mentioned lead that is placed on the above-mentioned supporter is rolled, when making aforementioned body partly force to rotate, or just before it, be coated with coating on the surface of aforementioned body part midway with above-mentioned coating roller in this pressure rotational action.
Protection membrane formation device according to such formation can positively make the lead that is fed to the resistance on the supporter roll by the actuating force of conveyer belt on the supporter; the translational speed of conveyer belt is also adjusted easily, so can make the lead behind the working procedure of coating only force to rotate necessary number of times effectively by simple mechanism.Therefore; when can on the surface of main part, form roughly filming of desired thickness uniformly with the primary coating operation; even the viscosity height of coating also is difficult to produce the gap of the main cause that becomes pore,, this can form the high diaphragm of reliability with the drying process thermmohardening by being filmed.Therefore, the needed activity duration of formation of the diaphragm of band guide line resistor shortens significantly, can reduce manufacturing cost.
In said structure, preferably supporter is configured in the outside in the carrying path of main part, on this supporter, place the position of the inclined to one side bottom of lead, can give the actuating force of conveyer belt like this at the nearby guiding line of main part, therefore compare with the situation that the position on the inclined to one side top of guiding line gives actuating force, make main part force to rotate easily.
The present invention has following effect.
According to the diaphragm formation method of band guide line resistor of the present invention owing to make and protect coating that film protects usefulness and make resistance force rotation after with the coating of coating roller; so can be when the surface of main part forms roughly filming of desired thickness uniformly, even the viscosity height of coating also is difficult to produce the gap of the main cause that becomes pore with once working procedure of coating.Therefore, the diaphragm of high reliability can be formed at short notice, the manufacturing cost of band guide line resistor can be reduced greatly.
And; according to the protection membrane formation device of band guide line resistor of the present invention owing to make the simple mechanism of the lead rolling that is fed to the resistance on the supporter by actuating force with conveyer belt; can make the lead behind the working procedure of coating only force to rotate necessary number of times effectively; so when can on the surface of main part, form roughly filming of desired thickness uniformly, even the viscosity height of coating also is difficult to produce the gap that becomes the pore main cause with the primary coating operation.Therefore, the diaphragm of high reliability can be formed at short notice, the manufacturing cost of band guide line resistor can be reduced greatly.
Description of drawings
Fig. 1 is a part of sectional front view of the band guide line resistor of embodiments of the present invention example.
Fig. 2 is the cutaway view before the diaphragm of this resistor forms.
Fig. 3 is the key diagram with the diaphragm manufacturing process modal representation of this resistor.
Fig. 4 is the key diagram of representing from face side according to the working procedure of coating of the protection membrane formation device of Fig. 3.
Among the figure:
The 1-main part; The 2-resistive element; The 3-lid; The 4-lead; The 5-diaphragm; 6-carries chain; 7-protects membrane formation device; The 8-drying oven; The 9-supporter; The 10-driving rolls; The 11-conveyer belt; 12-coating; The 13-paint can; 14-applies roller; The 15-driving rolls; The 16-conveyer belt.
Embodiment
With reference to accompanying drawing the invention execution mode is described; Fig. 1 is a part of sectional front view of the band guide line resistor of embodiments of the present invention example; Fig. 2 is the cutaway view before the diaphragm of this resistor forms; Fig. 3 is the key diagram that the diaphragm of this resistor is formed the operation modal representation, and Fig. 4 is the key diagram of representing from face side according to the working procedure of coating of the protection membrane formation device of Fig. 3.
Resistor shown in Figure 1 comprises: in the columned main part 1 of the roughly one-tenth of the chimeric metal lid 3 in the both ends of resistive element 2; The couple of conductor 4 of on two lids 3 of this main part 1, fixing; And the diaphragm 5 that forms on the surface of main part 1.When making this resistor, the both ends of resistive element 2 be pressed into etc. make lid 3 chimeric after, not shown spiral groove is set or finishing (ト リ ミ Application グ) groove is adjusted resistance value by outer peripheral face mint-mark, and obtains having the main part 1 of regulation electrical characteristics at resistive element 2.Then, make with this main part 1 concentric shape ground to stretch out,, obtain the resistor of not application as shown in Figure 2 by difference fixing cord 4 on two lids 3 such as deposited or welding., as shown in Figure 3 on one side lead 4 usefulness carrying chain 6 supported carrying thereafter, to protection membrane formation device 7 and drying oven 8 in order supply the resistor of not application on one side, form diaphragm 5 on the surface of main part 1 thus, and obtain resistor as shown in Figure 1.And the arrow A direction that carrying chain 6 is configured to a subtend Fig. 3 abreast moves, at the lead 4 of each carrying chain 6 each resistor of upper support.
Below be described in detail in the manufacturing process that forms diaphragm 5 on the surface of main part 1, this diaphragm manufacturing process divides into: operation is rotated in the pressure of forcing main part 1 is rotated; With the parallel working procedure of coating that carries out of initial stage of forcing to rotate operation; And, make filming of in forcing rotation operation and working procedure of coating, on the surface of main part 1, forming use the drying process thermmohardening, thereby form diaphragm 5 forcing to rotate the drying process that carries out after operation finishes.And as shown in Figure 3, protection membrane formation device 7 has: extend the supporter 9 that is provided with along carrying direction (arrow A direction); Be wound onto along the jointless conveyer belt 11 on the driving rolls 10 of arrow B direction rotation; The paint can 13 of filling paint 12; And make the coating 12 in this paint can 13 be coated with the lip-deep coating roller 14 that arrives main part 1, from carrying chain 6 to supporter 9 suppling wires 4.
In force rotating operation, from carrying chain 6 on the lead 4 of the resistor of supporter 9 supplies from above make conveyer belt 11 crimping, on supporter 9, lead 4 is rolled by actuating force along the carrying direction with this conveyer belt 11, make main part 1 force rotation.As shown in Figure 3, supporter 9 is provided with inclined plane 9a at upstream side, and the lead 4 one arrival inclined plane 9a that carried by carrying chain 6 then successfully are directed on the supporter 9.And, as shown in Figure 4, dispose a pair of supporter 9 abreast in the inboard of a pair of carrying chain 6, give actuating force so on supporter 9, place the position of the inclined to one side bottom of lead 4 from conveyer belt 11.The actuating force that makes conveyer belt 11 so nearby gives lead 4 main part 1, then the situation that gives actuating force with the position on the inclined to one side top of guiding line 4 mutually specific energy force to rotate body part 1 easily.And though omitted diagram, the present embodiment example was used the operation of heating main parts 1 such as warm wind heater before forcing to rotate operation, can improve the adhesiveness of 12 pairs of main parts 1 of coating in working procedure of coating described later thus.
Horse back carries out working procedure of coating making lead 4 just roll on supporter 9 at the beginning, as shown in Figures 3 and 4, and by the liquid coating 12 of coating roller 14 in the surface of main part 1 is being coated with (transfer printing) paint can 13 that rotates to the arrow C direction.At this moment, be coated with coating 12, also continuing after the coating to force to rotate, do not spreading on the surface of main part 1 with omitting so coating 12 has while make main part 1 force to rotate.Therefore, can on the surface of main part 1, form roughly film (the unhardened diaphragm) of desired thickness uniformly, even and the viscosity height of coating 12, the danger in gap that produces the main cause that becomes pore is also little.And the material of coating 12 can suitably be selected under many conditions such as consideration diaphragm 5 desired moisture resistance properties, in the present embodiment example, adds filler SiO with the epoxy series plastics in a fluidity
2Use as coating 12 to 30～40%.Here, SiO
2The content of (filler) be preferably in 15% or below, otherwise moisture resistance properties will worsen significantly.
Drying process carries out in drying oven 8, as shown in Figure 3, near the inlet in this drying oven 8, dispose and be wound onto on the driving rolls 15 that arrow D direction is rotated and be crimped on jointless conveyer belt 16 on the lead 4, along the carrying direction lead 4 is rolled by initial stage conveyer belt 16 and make main part 1 force to rotate at drying process.Promptly; on the surface of main part 1, form roughly the resistor of filming of desired thickness uniformly by protection membrane formation device 7; be fed in the drying oven 8 by carrying chain 6; in this drying oven 8, make (coating 12) thermmohardening of filming; form diaphragm 5 thus, before coating 12 is unhardened might since from focus on produce on the thickness uneven.So in the present embodiment example, just the warm-up phase after drying process begins disposes conveyer belt 16 for lead 4 is rotated near the inlet in drying oven 8, forces to rotate before the thermmohardening to a certain extent to the filming of surface of main part 1.Thus, can not produce in the initial stage of drying process and to result from the inequality of thickness of deadweight, therefore drying oven 8 in, harden, then can form required diaphragm 5 by diaphragm device 7 formed filming.
Like this in the diaphragm formation method of the band guide line resistor of present embodiment example; make resistor force to rotate the actuating force by conveyer belt 11 after coating 12 usefulness coating roller 14 coatings of diaphragm 5 usefulness; so when can on the surface of main part 1, form roughly filming of desired thickness uniformly with the primary coating operation; even the viscosity height of coating 12 also be difficult to produce the gap of the main cause that becomes pore, can form the high diaphragm of reliability 5 by this being filmed carry out thermmohardening with drying process.Therefore, the needed activity duration of formation of the diaphragm 5 of band guide line resistor shortens significantly, can reduce manufacturing cost.
And; in the present embodiment example, use the protection membrane formation device 7 in the manufacturing process of diaphragm 5; make conveyer belt 11 crimping and drive at the lead 4 that is fed to the resistor on the supporter 9 from carrying chain 7; so lead 4 is positively rotated on supporter 9; moreover, also adjust the translational speed of conveyer belt 11 easily.Therefore, can make the lead 4 behind the working procedure of coating only force effectively to rotate necessary number of times, be suitable for forming the above-mentioned diaphragm formation method of the diaphragm 5 of high reliability with the primary coating operation by simple mechanism.
Claims (5)
1. diaphragm formation method with guide line resistor; the main part of the not application that chimeric metal lid forms on the both ends that have at resistive element; and these leads are supported carrying one side in the manufacture process of the band guide line resistor of aforementioned body surface formation diaphragm partly on one side behind the difference fixing cord on above-mentioned two lids of this main part, comprising:
By being rolled along the carrying direction, above-mentioned lead make aforementioned body partly force the pressure rotation operation of rotating;
By applying the working procedure of coating that roller is being coated with coating on the surface of aforementioned body part; And
Make be coated with the drying process that becomes said protection film in the lip-deep coating thermmohardening of aforementioned body part,
Above-mentioned working procedure of coating rotates carrying out of operation midway or just in above-mentioned pressure before it.
2. the diaphragm formation method of band guide line resistor according to claim 1 is characterized in that,
Rotate in the operation in above-mentioned pressure, extend along the carrying direction place above-mentioned lead on the supporter that is provided with in, on this lead from above make the conveyer belt crimping, by driving this conveyer belt above-mentioned lead is rolled on above-mentioned supporter along the carrying direction.
3. the diaphragm formation method of band guide line resistor according to claim 1 and 2 is characterized in that,
Initial stage at above-mentioned drying process also makes aforementioned body partly force to rotate by above-mentioned lead.
4. protection membrane formation device with guide line resistor; on above-mentioned two lids of the main part of the not application of the chimeric metal lid in the both ends of resistive element respectively behind the fixing cord; these leads are supported carrying on one side and on the surface of aforementioned body part, form diaphragm on one side; it is characterized in that
Have: extend the supporter that is provided with along the carrying direction; On this supporter along carrying direction driven movably jointless conveyer belt; And be used for the coating roller that coating is being coated with on the surface of aforementioned body part,
By the above-mentioned lead of placing on above-mentioned supporter is rolled with above-mentioned belt-driven power, when forcing to rotate the aforementioned body part, or just before it, be coated with coating on the surface of aforementioned body part midway in this pressure rotational action with above-mentioned coating roller
5. the protection membrane formation device of band guide line resistor according to claim 4 is characterized in that,
Make above-mentioned supporter be configured in the outside in the carrying path of aforementioned body part, on this supporter, place the position of the inclined to one side bottom of above-mentioned lead.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005146980 | 2005-05-19 | ||
| JP2005146980A JP2006324513A (en) | 2005-05-19 | 2005-05-19 | Method for forming protective film for resistor having lead wire and apparatus for forming protective film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1866416A true CN1866416A (en) | 2006-11-22 |
| CN100578693C CN100578693C (en) | 2010-01-06 |
Family
ID=37425406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610080265A Expired - Fee Related CN100578693C (en) | 2005-05-19 | 2006-05-15 | The diaphragm formation method of band guide line resistor and protection membrane formation device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006324513A (en) |
| CN (1) | CN100578693C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276307A (en) * | 2020-03-04 | 2020-06-12 | 孙文 | Resistor manufacturing method and resistor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7268393B2 (en) * | 2019-02-22 | 2023-05-08 | 三菱マテリアル株式会社 | Thermistor manufacturing method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55115006A (en) * | 1979-02-28 | 1980-09-04 | Ricoh Co Ltd | Focusing detector |
| JPS62162311A (en) * | 1986-01-13 | 1987-07-18 | 松下電器産業株式会社 | Manufacture of insulating film of electronic parts |
| JPH0536241Y2 (en) * | 1986-04-16 | 1993-09-14 | ||
| JPS6395606A (en) * | 1986-10-13 | 1988-04-26 | 松下電器産業株式会社 | Method of forming insulating film of electronic component |
| JPH0430074A (en) * | 1990-05-24 | 1992-02-03 | Misawa Homes Co Ltd | Setting board of shaft chamber of building |
| JPH0745410A (en) * | 1993-07-30 | 1995-02-14 | Rohm Co Ltd | Coating device and coating method for rod-like electronic component with lead wire |
| JPH0745409A (en) * | 1993-07-30 | 1995-02-14 | Rohm Co Ltd | Coating device and coating method for rod-like electronic component with lead wire |
| JPH0910660A (en) * | 1995-06-30 | 1997-01-14 | Rohm Co Ltd | Coating method for electronic parts and coating device therefor |
| JP3606705B2 (en) * | 1997-04-25 | 2005-01-05 | コーア株式会社 | Manufacturing method of resistors with lead wires |
-
2005
- 2005-05-19 JP JP2005146980A patent/JP2006324513A/en active Pending
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- 2006-05-15 CN CN200610080265A patent/CN100578693C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276307A (en) * | 2020-03-04 | 2020-06-12 | 孙文 | Resistor manufacturing method and resistor |
| CN111276307B (en) * | 2020-03-04 | 2021-11-26 | 深圳市三合成科技有限公司 | Resistor manufacturing method and resistor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100578693C (en) | 2010-01-06 |
| JP2006324513A (en) | 2006-11-30 |
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