CN203390130U - Coiling and quenching clamp of circular linear metal spring - Google Patents
Coiling and quenching clamp of circular linear metal spring Download PDFInfo
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- CN203390130U CN203390130U CN201320516403.2U CN201320516403U CN203390130U CN 203390130 U CN203390130 U CN 203390130U CN 201320516403 U CN201320516403 U CN 201320516403U CN 203390130 U CN203390130 U CN 203390130U
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- coiling
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- metal spring
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Abstract
The utility model discloses a coiling and quenching clamp of a circular linear metal spring, and relates to a coiling and quenching clamp of a metal spring. Through the clamp, a circular linear metal spring coiling and quenching process is simple to operate, low in deformation and high in yield, and can achieve a purpose of saving cost. The coiling and quenching clamp of the circular linear metal spring comprises a scroll body and a check ring, wherein the scroll body is of a cake-shaped structure, a groove is formed on an external circle surface of the scroll body, and the groove surrounds on the outer circle surface of the scroll body; the check ring is arranged on an external circle surface at one end of the scroll body. The coiling and quenching process comprises the following steps of coiling a spring steel wire in the groove of the scroll body to form a one-loop spring; respectively coiling two ends of an opening of the one-loop spring into a hook, and firmly tying the two hooks through iron wires; placing the one-loop spring, together with the quenching clamp, in a heat treatment furnace, thus finishing heat treatment quenching and tempering processes; after heat treatment, detaching the one-loop spring, cutting and removing the hooks, and rubbing down an end cross section on the opening of the spring.
Description
Technical field
The utility model relates to rolling of metal spring and quenching fixture.
Background technology
Circular arc-shaped linear metal spring, features of shape is the spring for the circular arc of individual pen opening, external diameter is large, steel wire diameter is little.Such spring is owing to curling up than D/d large (D-mean diameter of coil, d-steel wire diameter) in cold coiling process, and the springback capacity that rolls rear spring is difficult to control, and is not a definite value, makes the spring physical dimension qualification rate of cold coiling very low.In addition,, also can there is the variation of shape and size in thermal stress when spring is rolled stress, quenching, tempering while quenching and the impact of structural stress when quenching, tempering.
Distortion while quenching in order to reduce, the way in the past adopting is: while rolling, adopt mandrel to roll into the close volume helical spring of cylinder of at least 3 circles.The cylindrically coiled spring that rolls at least 3 circles is quenched, after quenching, from heat-treatment furnace, take out, be cut into individual pen opening Hookean spring, manual school shape, then stress relief annealing.As larger in the deflection after stress relief annealing, school shape again, and then add stress relief annealing one time.The circular arc-shaped linear spring of manufacturing is like this usually because deflection causes scrapping greatly.And waste raw material, production process is loaded down with trivial details, and manufacture difficulty is large.
Utility model content
The purpose of this utility model is to provide rolling of a kind of circular arc-shaped linear metal spring and quenching fixture, by using this fixture, reach circular arc-shaped linear metal spring roll simple to operate with quenching process, be out of shape the object little, qualification rate is high, cost-saving.
Rolling and quenching fixture of the utility model circular arc-shaped linear metal spring, it comprises spool body 1 and back-up ring 2, described spool body 1 is cake body, on the outer round surface of spool body 1, have a groove 1-1, groove 1-1 is around the outer round surface of spool body 1, and back-up ring 2 is arranged on the outer round surface of spool body 1 end, one end.
Circular arc-shaped linear metal spring of the present invention roll and the use procedure of quenching fixture as follows: one, spring steel wire 3 is wound in the groove 1-1 of spool body 1, roll into single-coil spring, the two ends of single-coil spring opening part are rolled into respectively to a hook, then by iron wire 4 tightens for two hooks; Two, single-coil spring is put into heat-treatment furnace together with fixture, complete heat-treatment quenching and drawing process; Three, after heat treatment finishes, pull down single-coil spring, excise hook, polish the end cross-sectional of spring opening part.
The inventive method rolls the very little or definite value of the springback capacity of rear spring, easily controls.The spring physical dimension qualification rate of cold coiling is very high.Therefore after Overheating Treatment, can obtain hardness qualified, be out of shape small qualified circular arc-shaped linear metal spring.Adopt the heat treatment of carrying out in this way, except meeting the requirements of quenching hardness, effectively guaranteed part quality, there is advantage simple to operate, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one, and Fig. 2 is the schematic diagram of the utility model use procedure, and Fig. 3 is embodiment two and three structural representation.
The specific embodiment
The specific embodiment one: illustrate present embodiment below in conjunction with Fig. 1.Rolling and quenching fixture of the circular arc-shaped linear metal spring of present embodiment, it comprises spool body 1 and back-up ring 2, described spool body 1 is cake body, on the outer round surface of spool body 1, have a groove 1-1, groove 1-1 is around the outer round surface of spool body 1, and back-up ring 2 is arranged on the outer round surface of spool body 1 end, one end.Back-up ring 2 is when spring packs into and take out from heat-treatment furnace, not to be subject to scratching.For alleviating the weight of fixture, line centered by axial line, processes centre bore.
The use procedure of fixture is as follows: spring steel wire 3 is wound in the groove 1-1 of spool body 1, rolls into single-coil spring, the two ends of single-coil spring opening part are rolled into respectively to a hook, then by iron wire 4 tightens for two hooks; Single-coil spring is put into heat-treatment furnace together with quenching fixture, complete heat-treatment quenching and drawing process; After heat treatment finishes, pull down single-coil spring, excise hook, polish the end cross-sectional of spring opening part.
The specific embodiment two: the improvements of present embodiment and embodiment one are, for cost-saving, reduce the quantity of fixture, increase the length of spool body 1, process a plurality of groove 1-1 at the outer surface of spool body 1.Other is identical with embodiment one.
The specific embodiment three:; According to the required diameter difference that rolls circular arc-shaped linear metal spring, it also comprises No. two diameter spool bodies 5 and No. three diameter spool bodies 6, No. two diameter spool bodies 5 are with to have one or more shape on No. three diameter spool body 6 outer round surface identical with groove 1-1, the groove that specification is different.For the different circular arc-shaped linear spring of diameter, quenching fixture can be processed into the different step of external diameter according to different diameters, and on step, process groove, according to the requirement that rolls the different size number of packages of spring, on quenching fixture, the step of each respective diameters can have different length, processes the groove of the different number of turns, like this can a set of frock can to produce several specifications according to need of production identical simultaneously, or the spring that specification is different, reaches cost-saving object.Other is identical with embodiment one.
The specific embodiment four: the external diameter of spool body 1 is identical with the outside dimension of groove 1-1, and equal single-coil spring central diameter size, groove 1-1 cross section is semicircle, the diameter of groove 1-1 equals the diameter of spring steel wire 3.Other is identical with embodiment one.
The specific embodiment five: the content of present embodiment is: this fixture can be used for other heat treatment process except quenching, tempering.
Claims (5)
1. circular arc-shaped linear metal spring rolls and quenching fixture, it is characterized in that it comprises spool body (1) and back-up ring (2), described spool body (1) is cake body, on the outer round surface of spool body (1), have a groove (1-1), groove (1-1) is around the outer round surface of spool body (1), and back-up ring (2) is arranged on the outer round surface of spool body (1) end, one end.
2. rolling and quenching fixture of circular arc-shaped linear metal spring according to claim 1, is characterized in that the outer surface of spool body (1) is processed a plurality of grooves (1-1).
3. circular arc-shaped linear metal spring according to claim 1 rolls and quenching fixture, it is characterized in that it also comprises No. two diameter spool bodies (5) and No. three diameter spool bodies (6), on No. two diameter spool bodies (5) and No. three diameter spool bodies (6) outer round surface, have one or more groove (1-1).
4. circular arc-shaped linear metal spring according to claim 1 rolls and quenching fixture, the external diameter that it is characterized in that spool body (1) is identical with the outside dimension of groove (1-1), and equal Hookean spring central diameter size, the cross section of groove (1-1) is semicircle, and the section radius of groove (1-1) equals the radius of spring steel wire (3).
5. rolling and quenching fixture of circular arc-shaped linear metal spring according to claim 1, is characterized in that line centered by the axial line of fixture, processes centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516403.2U CN203390130U (en) | 2013-08-23 | 2013-08-23 | Coiling and quenching clamp of circular linear metal spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516403.2U CN203390130U (en) | 2013-08-23 | 2013-08-23 | Coiling and quenching clamp of circular linear metal spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203390130U true CN203390130U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516403.2U Expired - Lifetime CN203390130U (en) | 2013-08-23 | 2013-08-23 | Coiling and quenching clamp of circular linear metal spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203390130U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420478A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Device for thermal treatment of springs |
| CN107584055A (en) * | 2017-09-21 | 2018-01-16 | 浙江高强度紧固件有限公司 | A kind of wind spring preparation method |
| CN107876663A (en) * | 2017-11-16 | 2018-04-06 | 国网河南省电力公司灵宝市供电公司 | A kind of maker of electric pole connection steel ring fastening steel loop |
-
2013
- 2013-08-23 CN CN201320516403.2U patent/CN203390130U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420478A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Device for thermal treatment of springs |
| CN107584055A (en) * | 2017-09-21 | 2018-01-16 | 浙江高强度紧固件有限公司 | A kind of wind spring preparation method |
| CN107584055B (en) * | 2017-09-21 | 2019-04-19 | 浙江高强度紧固件有限公司 | A kind of wind spring preparation method |
| CN107876663A (en) * | 2017-11-16 | 2018-04-06 | 国网河南省电力公司灵宝市供电公司 | A kind of maker of electric pole connection steel ring fastening steel loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |