CN204159792U - Helical coil Constant force extension mechanism - Google Patents
Helical coil Constant force extension mechanism Download PDFInfo
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- CN204159792U CN204159792U CN201420455269.4U CN201420455269U CN204159792U CN 204159792 U CN204159792 U CN 204159792U CN 201420455269 U CN201420455269 U CN 201420455269U CN 204159792 U CN204159792 U CN 204159792U
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- bracing frame
- helical coil
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Abstract
The utility model discloses a kind of helical coil Constant force extension mechanism, comprise horizontally disposed base plate, base plate is provided with in the same direction successively the first bracing frame, the second bracing frame, the 4th bracing frame, first bracing frame is provided with constant force wire-drawing mechanism, constant force wire-drawing mechanism comprises sleeve and inner core, inner core cover is contained in sleeve, and inner core offers through hole along axis, and through-hole aperture is less than helical coil external diameter; Second bracing frame is provided with godet roller, the 4th bracing frame is provided with wire drawing mechanism.By the through hole in Constant force extension mechanism, the utility model ensures that helical coil is by having a constant pulling force during through hole, and be equipped with a godet roller to discharge tensile stress, can use on stretching limit, limit, have that mechanism is simple, compact, be convenient to the advantage such as integrated with metal damper blank knit unit.
Description
Technical field
The utility model relates to the metal damper product special tooling in automation control area, refers to a kind of helical coil Constant force extension mechanism for having flexible helical coil and equidistantly stretch particularly.
Background technology
Metal damper has another name called metal-rubber, is to be made through multiple techniques such as helical coil winding, spacing stretching, blank braiding, punch formings by stainless steel metal wire.Helical coil spacing drawing process was primarily of completing manually in the past, cause waste of human resource, and this process is very large by the impact of human factor, stretching dynamics is uncontrollable, be difficult to the uniformity ensureing stretching rear screw volume pitch, directly affects in metal-rubber molding component process the uniformity of adhesion and the stability of properties of product between helical coil.
The Chinese patent being 01277054.X at application number discloses a kind of screw roll fixed pitch stretching device, it adopts motor to drive two rubber tires by helical coil extrusion stretching, it is the loaded down with trivial details self-contained unit of a kind of bulky, complex structure, transmission, and helical coil cannot directly use after extrusion stretching, therefore, need improve prior art.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides that a kind of structure is simple, compact, is convenient to the helical coil Constant force extension mechanism integrated with metal damper blank knit unit.
The technical solution of the utility model is: a kind of helical coil Constant force extension mechanism, comprise horizontally disposed base plate, described base plate is provided with in the same direction successively the first bracing frame, the second bracing frame, the 4th bracing frame, described first bracing frame is provided with constant force wire-drawing mechanism, described constant force wire-drawing mechanism comprises sleeve and inner core, described inner core cover is contained in sleeve, and described inner core offers through hole along axis, and described through-hole aperture is less than the helical coil external diameter be stretched; Described second bracing frame is provided with godet roller, described 4th bracing frame is provided with wire drawing mechanism.
Further, described inner core comprises core body and is arranged on outside core print and the inner side core print at the axial two ends of described core body, described outside core print, core body and inner side core print are integral type structure, described core body offers middle through-hole along axis, described inner side core print offers wire hole along axis, described outside core print offers entrance hole along axis, and described middle through-hole, entrance hole and wire hole form described through hole.
Preferably, the outside diameter of described core body and inner side core print is measure-alike, and described core body and inner side core print are fixedly installed in described sleeve, and the diameter dimension ecto-entad of described wire hole is decremented to the diameter dimension of described middle through-hole successively; Described outside core print stretches out sleeve, and the diameter dimension ecto-entad of described entrance hole is decremented to the diameter dimension of described middle through-hole successively.
Preferably, the outside diameter of described core body and inner side core print is measure-alike, and described core body is connected with bush whorl, and described inner side core print stretches out sleeve, and the diameter dimension ecto-entad of described wire hole is decremented to the diameter dimension of described middle through-hole successively; Described outside core print stretches out sleeve, and described outside core print is provided with the cross type cut extending to core body end along axis, and described cross type cut and the concentricity axle of entrance hole, the diameter dimension of described entrance hole is less than or equal to the diameter dimension of described middle through-hole.
Described base plate is also provided with the 3rd bracing frame, described 3rd bracing frame is between the second bracing frame and the 4th bracing frame, and described 3rd bracing frame is provided with and moves back screw mandrel.
It is realized by the through hole be opened in constant force wire-drawing mechanism that helical coil spacing of the present utility model stretches, drive two rubber tires by the means of helical coil extrusion stretching compared to adopting motor in prior art, more easily realize, and mechanism is simple, compact, more easily ensure the uniformity of stretching rear screw volume pitch, a kind of helical coil Constant force extension mechanism of applicable batch production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the constant force wire-drawing mechanism structural representation in Fig. 1;
Fig. 3 is adjustable constant force wire-drawing mechanism schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1, a kind of helical coil Constant force extension mechanism of the present utility model, it comprises horizontally disposed base plate 8, base plate 8 is provided with the first bracing frame 10, second bracing frame 9, the 3rd bracing frame 6 and the 4th bracing frame 7 in the same direction successively, first bracing frame 10 is provided with constant force wire-drawing mechanism 1, second bracing frame 9 is provided with godet roller 2, and the 3rd bracing frame 6 is provided with and moves back screw mandrel 3, and the 4th bracing frame 7 is provided with wire drawing mechanism 4.
During use, helical coil 5 enters from one end of constant force wire-drawing mechanism 1, the other end of helical coil 5 from constant force wire-drawing mechanism 1 stretches by godet roller 2, move back screw mandrel 3 by helical coil 5 from after godet roller 2 is backed off, the tensile stress of helical coil 5 is released, move back screw mandrel 3 position by adjustment, can adjust and draw high helical coil 5 Stress Release degree, thus can obtain drawing high the different helical coil of rear elastic force 5.
Wherein godet roller 2 and wire drawing mechanism 4 all can by motor-driven rotation, and linear velocity when linear velocity when godet roller 2 hooks up helical coil 5 need collect helical coil 5 with wire drawing mechanism 4 is consistent.
The present embodiment constant force wire-drawing mechanism 1 comprise sleeve 11 and inner core 12, inner core 12 is sleeved in sleeve 11, and inner core 12 offers through hole along axis, and this through-hole aperture need be less than the helical coil external diameter be stretched.
The inner core 12 of the present embodiment comprises core body 12.1 and is arranged on outside core print 12.2 and the inner side core print 12.3 at the axial two ends of core body 12.1, outside core print 12.2, core body 12.1 and inner side core print 12.3 is integral type structure, core body 12.1 offers middle through-hole 12.4 along axis, inner side core print 12.3 offers wire hole 12.7 along axis, outside core print 12.2 offers entrance hole 12.5 along axis, and middle through-hole 12.4, entrance hole 12.5 form above-mentioned through hole with wire hole 12.7.
With reference to figure 2, the core body 12.1 of this scheme is measure-alike with the outside diameter of inner side core print 12.3, core body 12.1 and inner side core print 12.3 are fixedly installed in sleeve 11, and the diameter dimension ecto-entad of wire hole 12.7 is decremented to the diameter dimension of middle through-hole 12.4 successively; Outside core print 12.2 stretches out sleeve 11, and the diameter dimension ecto-entad of entrance hole 12.5 is decremented to the diameter dimension of middle through-hole 12.4 successively.This scheme is fixed in sleeve 11 due to core body 12.1 and inner side core print 12.3, therefore, this constant force wire-drawing mechanism 1 can adapt to a kind of helical coil of spacing stretched dimension, changing, changing the inner core 12 of another kind of through-hole aperture size to make the spacing of helical coil stretch.
With reference to figure 3, the core body 12.1 of this scheme is measure-alike with the outside diameter of inner side core print 12.3, core body 12.1 is sleeved on sleeve 11 and is threaded with sleeve 11, inner side core print 12.3 stretches out sleeve 11, and the diameter dimension ecto-entad of wire hole 12.7 is decremented to the diameter dimension of middle through-hole 12.4 successively; Outside core print 12.2 stretches out sleeve 11, outside core print 12.2 is provided with the cross type cut 12.6 extending to core body 12.1 end along axis, cross type cut 12.6 and the concentricity axle of entrance hole 12.5, the diameter dimension of entrance hole is less than or equal to the diameter dimension of middle through-hole.In this scheme, helix pitch due to helical coil only has the through-hole aperture of constant force wire-drawing mechanism 1 relevant, therefore, by turnbarrel 11, the i.e. pore size of adjustable entrance hole 12.5, flexible adjustment is convenient, to be applicable to the helical coil of various outer diameter, highly versatile, this constant force wire-drawing mechanism 1 is adjustable constant force wire-drawing mechanism.The pore size of the entrance hole 12.5 of adjustment constant force wire-drawing mechanism 1, makes it be less than helical coil external diameter, after helical coil being pulled out from this hole, can obtain the helical coil that stretching spacing is equal.Because this scheme adopts the continuously adjustable small bore device of internal diameter to adjust aperture, constant force wire drawing hole, can obtain the continuously adjustable helical coil of stretching spacing easily, the helical coil type produced is enriched.
By the through hole in Constant force extension mechanism, the utility model ensures that helical coil is by having a constant pulling force during through hole, and be equipped with a godet roller to discharge tensile stress, can use on stretching limit, limit, have that mechanism is simple, compact, be convenient to the advantage such as integrated with metal damper blank knit unit.
Claims (5)
1. a helical coil Constant force extension mechanism, comprise horizontally disposed base plate (8), it is characterized in that: described base plate (8) is provided with the first bracing frame (10) in the same direction successively, second bracing frame (9), 4th bracing frame (7), described first bracing frame (10) is provided with constant force wire-drawing mechanism (1), described constant force wire-drawing mechanism (1) comprises sleeve (11) and inner core (12), described inner core (12) is sleeved in sleeve (11), described inner core (12) offers through hole along axis, described through-hole aperture is less than the helical coil external diameter be stretched, described second bracing frame (9) is provided with godet roller (2), described 4th bracing frame (7) is provided with wire drawing mechanism (4).
2. helical coil Constant force extension mechanism according to claim 1, it is characterized in that: described inner core (12) comprises core body (12.1) and is arranged on outside core print (12.2) and the inner side core print (12.3) at the axial two ends of described core body (12.1), described outside core print (12.2), core body (12.1) and inner side core print (12.3) are integral type structure, described core body (12.1) offers middle through-hole (12.4) along axis, described inner side core print (12.3) offers wire hole (12.7) along axis, described outside core print (12.2) offers entrance hole (12.5) along axis, described middle through-hole (12.4), entrance hole (12.5) and wire hole (12.7) form described through hole.
3. helical coil Constant force extension mechanism according to claim 2, it is characterized in that: described core body (12.1) is measure-alike with the outside diameter of inner side core print (12.3), described core body (12.1) and inner side core print (12.3) are fixedly installed in described sleeve (11), and the diameter dimension ecto-entad of described wire hole (12.7) is decremented to the diameter dimension of described middle through-hole (12.4) successively; Sleeve (11) is stretched out in described outside core print (12.2), and the diameter dimension ecto-entad of described entrance hole (12.5) is decremented to the diameter dimension of described middle through-hole (12.4) successively.
4. helical coil Constant force extension mechanism according to claim 2, it is characterized in that: described core body (12.1) is measure-alike with the outside diameter of inner side core print (12.3), described core body (12.1) is threaded with sleeve (11), sleeve (11) is stretched out in described inner side core print (12.3), and the diameter dimension ecto-entad of described wire hole (12.7) is decremented to the diameter dimension of described middle through-hole (12.4) successively; Sleeve (11) is stretched out in described outside core print (12.2), described outside core print (12.2) is provided with the cross type cut (12.6) extending to core body (12.1) end along axis, described cross type cut (12.6) and entrance hole (12.5) concentricity axle, the diameter dimension of described entrance hole (12.5) is less than or equal to the diameter dimension of described middle through-hole (12.4).
5. the helical coil Constant force extension mechanism according to any one of Claims 1 to 4, it is characterized in that: described base plate (8) is also provided with the 3rd bracing frame (6), described 3rd bracing frame (6) is positioned between the second bracing frame (9) and the 4th bracing frame (7), and described 3rd bracing frame (6) is provided with and moves back screw mandrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455269.4U CN204159792U (en) | 2014-08-13 | 2014-08-13 | Helical coil Constant force extension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455269.4U CN204159792U (en) | 2014-08-13 | 2014-08-13 | Helical coil Constant force extension mechanism |
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| Publication Number | Publication Date |
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| CN204159792U true CN204159792U (en) | 2015-02-18 |
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| CN201420455269.4U Active CN204159792U (en) | 2014-08-13 | 2014-08-13 | Helical coil Constant force extension mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741354A (en) * | 2017-10-20 | 2018-02-27 | 安徽理工大学 | A kind of spring elongation detection means |
| CN111112518A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Stretching device of spiral coil stretching and winding system |
| CN111112519A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Spiral coil stretching and winding system |
-
2014
- 2014-08-13 CN CN201420455269.4U patent/CN204159792U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741354A (en) * | 2017-10-20 | 2018-02-27 | 安徽理工大学 | A kind of spring elongation detection means |
| CN111112518A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Stretching device of spiral coil stretching and winding system |
| CN111112519A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Spiral coil stretching and winding system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |