CN204638732U - A kind of Laying head - Google Patents
A kind of Laying head Download PDFInfo
- Publication number
- CN204638732U CN204638732U CN201520366831.0U CN201520366831U CN204638732U CN 204638732 U CN204638732 U CN 204638732U CN 201520366831 U CN201520366831 U CN 201520366831U CN 204638732 U CN204638732 U CN 204638732U
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- circular arc
- hollow shaft
- supporting
- bearing block
- laying head
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Abstract
The utility model discloses a kind of Laying head, belong to metal shaping equipment technical field, comprise rotor assembly, casing and the support component be arranged on casing and driven unit, described rotor assembly comprises the hollow shaft with large end and small end, the large end of described hollow shaft has the first flange and the second flange that extend to radial direction, described spinning plate is fixed on the end face of the second flange, described support component comprises the supporting structure I being arranged at the large end of hollow shaft and the supporting structure II being arranged at its small end, described supporting structure I comprises and is fixed on bearing block on casing and the swingable circular arc supporting be arranged between bearing block and hollow shaft.The utility model by arranging supporting structure I, supporting structure II can increase contact area with hollow shaft and bearing block, and increase its radial direction by loading capability and rotating speed, and then improve the output of wire rod, swingable owing to supporting, there is certain angle regulating power, the stability of whole equipment can be strengthened and improve its service life.
Description
Technical field
The utility model belongs to metal shaping equipment technical field, relates to the lopping equipment of a kind of wireform that high-speed straight-line is moved coil circlewise.
Background technology
Modern high-speed wire production line mill speed has brought up to current 120m/s by early stage 40m/s, range of product size has also extended to Φ 5mm ~ Φ 25mm, Laying head supporting is with it responsible for being bent with certain inclination angle by the vertical bar wire rod rolled out and forming annulus, and coil is transported to collection volume station and completes collection retracting collection after dropping to air-cooled roller-way.For mating the mill speed day by day promoted, the high speed realizing wire rod is weaved silk rolling, the Laying head speed that Laying head demand fulfillment of new generation is higher and wider Laying head specification, wherein in Laying head for realizing the laying head rotor portion of lopping function owing to being asymmetric revolving structure, rotor quality is up to about 1800kg, and the highest need of working speed of rotor reach 2100rpm.Therefore, because bending wire inevitably produces the thermal deformation that rotor eccentricity and worst hot case cause correlated parts in the Laying head course of work, very large periodic shock and vibration can be produced to the support member such as Laying head bearing, make the lost of life of bearing and limit the lifting of Laying head speed.Therefore effective damping or shock-absorbing measure are the keys being related to Laying head steady operation.
Existing Laying head glissando is the rolling bearing arranging small one and large one two groups different play at the large end of hollow shaft, and the bearing block of little bearing is carried out flexible installing, and a set of damping or spring shock absorption mechanism is increased in addition on this bearing block, in order to absorb vibrational energy when laying head turns round at a high speed, thus reach the object reducing vibration.But this kind of structure all proposes very harsh requirement for the machining accuracy of the play of bearing, laying head rotor and casing and installation accuracy etc., as mounting and adjusting is not in place, the vibratory impulse of laying head rotor is probably caused only to act on a bearing, and the idle running of another bearing, not only can not reduce the vibration of Laying head, shorten the service life of loading bearing on the contrary.In addition, due to the special construction of laying head, large end tactical diameter is comparatively large, and therefore adopted rolling bearing is larger-size nonstandard rolling bearing, will limit the further lifting of Laying head speed.
For the problems referred to above, be necessary to improve existing Laying head structure, utilize the dynamics that combined bearing is special, play and support laying head rotor smooth operation and the shock-absorbing function realizing rotor, thus improve the stationarity of Laying head work, and the further lifting of Laying head speed can be realized.
Utility model content
In view of this, the utility model provides a kind of Laying head, overcomes the problem of not high, Laying head limited speed in loading bearing service life that prior art exists.
The purpose of this utility model is achieved through the following technical solutions:
A kind of Laying head, comprise the rotor assembly with the wireform coil circlewise making high-speed straight-line move, for supporting and fix the casing of described rotor assembly and being arranged on casing for the support component of support rotor assembly and driven unit rotor assembly being provided to power, described rotor assembly comprises the hollow shaft with large end and small end, with the spinning plate that the large end of hollow shaft is fixing, and the spinneret be arranged in hollow shaft, it is characterized in that: the large end of described hollow shaft has the first flange and the second flange that extend to radial direction, described spinning plate is fixed on the end face of the second flange, described support component comprises the supporting structure I being arranged at the large end of hollow shaft and the supporting structure II being arranged at its small end, described supporting structure I comprises and is fixed on bearing block on casing and the swingable circular arc supporting be arranged between bearing block and hollow shaft, the periphery of described circular arc supporting and bore area are pressed on the periphery of inner hole of bearing seat surface and hollow shaft first flange respectively, described circular arc supporting is provided with snap-in structure, described bearing block is provided with the snap fit structure matched with snap-in structure, described bearing block is also provided with for supporting position limiting structure that is spacing and that can swing around it to circular arc.
Further, described snap-in structure is be arranged on the projection that extends to both sides along circular arc of circular arc supporting both sides, and described snap fit structure is the groove with described protruding matched in clearance.
Further, described position limiting structure is be arranged on radial banking pin that bearing block arc surface distributes vertically or/and be arranged on the axial limiting nail that bearing block end face radially distributes in recess region, described circular arc supporting is provided with radial spacing hole and the axial limiting hole of following closely matched in clearance respectively with radial banking pin and axial limiting, and circular arc is bearing in bearing block can be swung around banking pin.
Further, the head of described radial banking pin is inner or outer hex bolts head, middle part for the section of being threaded and afterbody be optical axis canned paragraph, described in the section of being threaded be fixed on bearing block, described optical axis canned paragraph inserts in the radial spacing hole of circular arc supporting.
Further, the outside diameter of described circular arc supporting is less than bearing saddle bore diameter, and the diameter of bore that the outside diameter of described hollow shaft first flange and circular arc support is matched in clearance.
Further, described circular arc supporting is the segmentation rest pad composition of more than at least three pieces.
Further, the cylindrical of the segmentation rest pad of described circular arc supporting is set to middle circular arc, both sides hypotenuse structure.
Further, described supporting structure II is the conical bearing or angle bearing that arrange in pairs.
The beneficial effects of the utility model are:
The utility model is by arranging circular arc supporting, the contact area with hollow shaft and bearing block can be increased, and then increase its radial direction by loading capability, compared with the rolling bearing of same size specification, there is higher allowable rotating speed, therefore Laying head can be allowed to run at higher speeds, improve the spinning rate of Laying head, and then improve the output of wire rod.Simultaneously, hollow shaft High Rotation Speed supports at hollow shaft first flange and circular arc the oil film pressure produced between bore area and is combined the circular arc with oscillating function and supports and can form certain damping and buoyancy effect, the impact energy of available buffer and absorption load, thus reduce the vibration of Laying head, promote the smoothness of operation of Laying head.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by description below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model Laying head;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the partial enlarged view I of circular arc supporting;
Fig. 4 is the partial enlarged view II of circular arc supporting;
Fig. 5 is the shock absorption principle figure of supporting construction II;
Fig. 6 is the dynamics sketch of supporting construction II.
Reference numeral:
1-casing; 2-hollow shaft; The large end of 3-hollow shaft; The small end of 4-hollow shaft; 5-spinning plate; 6-spinneret; 7-first flange; 8-second flange; 9-bearing block; 10-circular arc supports; 11-is protruding; 12-groove; The radial banking pin of 13-; 14-axial limiting is followed closely; The radial spacing hole of 15-; 16-axial limiting hole; 17-driven unit; Hex bolts head in or beyond 18-; The 19-section of being threaded; 20-optical axis canned paragraph.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only in order to the utility model is described, instead of in order to limit protection domain of the present utility model.
As Figure 1-4, a kind of Laying head of the present embodiment, comprise the rotor assembly with the wireform coil circlewise making high-speed straight-line move, for supporting and fix the casing 1 of described rotor assembly and being arranged on casing 1 for the support component of support rotor assembly 1 and the driven unit 17 rotor assembly being provided to power, described driven unit 17 can drive rotor assembly High Rotation Speed to reach 2100rpm, described rotor assembly comprises the hollow shaft 2 with large end 3 and small end 4, with the spinning plate 5 that the large end of hollow shaft 3 is fixing, and the spinneret 6 be arranged in hollow shaft 2, the large end of described hollow shaft has the first flange 7 and the second flange 8 extended to radial direction, described spinning plate 5 uses bolted on the end face of the second flange 8, described support component comprises the supporting structure I being arranged at the large end 3 of hollow shaft and the supporting structure II being arranged at its small end 4, described supporting structure I comprises and is fixed on bearing block 9 on casing 1 and the swingable circular arc be arranged between bearing block 9 and hollow shaft 2 supports 10, described circular arc supporting 10 is usually combined by one deck antifriction material and rigid matrix and is made, as babbit+alloy steel matrix or porous embedded structure etc., periphery and the bore area of described circular arc supporting 10 are pressed on the periphery of bearing block 9 bore area and hollow shaft first flange 7 respectively, described circular arc supporting 10 is provided with snap-in structure, described bearing block 9 is provided with the snap fit structure matched with snap-in structure, described bearing block 9 is also provided with for circular arc is supported 10 spacing and can around its swing position limiting structure, described supporting structure II is the conical bearing or angle bearing that arrange in pairs, larger axis and radial load can be born simultaneously, thus offset by the axial force of driven unit 17 pairs of rotor assembly, reduce the wearing and tearing to bearing.
The dynamics sketch of Fig. 5 to be shock absorption principle figure, Fig. 6 of supporting construction II be supporting construction II, its shock absorption principle: when the hollow shaft of rotor assembly rotates with a certain rotating speed, circular arc supports the oil-film force produced and always supports the direction of fulcrum along the actual axle center of hollow shaft to circular arc and have an effect, again because circular arc supporting can swing along with the shifting movement of hollow shaft at any time, thus the oil-film force that circular arc is supported depends on that hollow shaft supports moving on fulcrum direction along actual axle center to circular arc completely.
Can be expressed as with joint efforts suffered by circular arc supporting:
F
ta＝F
ta(e
ra，e
ta)
F
ra＝F
ra(e
ra，e
ta)
Oil-film force moment about point of support is F
rar
aif this moment is non-vanishing, circular arc will be made to prop up winding fulcrum and swing, thus change the distribution of oil film thickness and oil film pressure, oil-film force also changes thereupon, until F
rar
a=0 just reach circular arc supporting balance orientation.Namely oil-film force just supported by circular arc fulcrum time just reach balance, i.e. F
ta(e
ra, e
ta)=0, works as e
raget after determining, only at certain e
tathe upper balance that just can reach circular arc supporting.Therefore oil-film force F
raonly depend on e
raa parameter.
The present embodiment comprises the support unit of supporting structure I and supporting structure II by arranging, and circular arc supporting is set in supporting structure I, the contact area with hollow shaft and bearing block can be increased, can be increased it radial by loading capability, compared with the rolling bearing of same size specification, there is higher allowable rotating speed, therefore Laying head can be allowed to run at higher speeds, improve the spinning rate of Laying head, and then improve the output of wire rod, and conical bearing or angle bearing are set in pairs in supporting structure II, larger axis and radial load can be born simultaneously, thus offset by the axial force of driven unit to rotor assembly, reduce the wearing and tearing to bearing, simultaneously, hollow shaft High Rotation Speed supports at hollow shaft first flange and circular arc the oil film pressure produced between bore area and is combined the circular arc with oscillating function and supports and can form certain damping and buoyancy effect, the impact energy of available buffer and absorption load, thus reduce the vibration of Laying head, promote smoothness of operation and the service life of Laying head.
As the improvement of the present embodiment, the snap-in structure of the present embodiment is be arranged on the projection 11 that extends to both sides along circular arc of circular arc supporting both sides, and described snap fit structure is the groove 12 with described protruding 11 matched in clearance.During assembling, only need slip into protruding 11 gently along groove 12, fast easy to assembly, described protruding 11 can be rectangle or triangle etc. with the cross section of groove 12, and the present embodiment is preferably rectangle, can conveniently process.
As the improvement of the present embodiment, the position limiting structure of the present embodiment is be arranged on radial banking pin 13 that bearing block 9 arc surface distributes vertically or/and be arranged on the axial limiting nail 14 that bearing block end face radially distributes in recess region, namely comprise radial banking pin 13 or axial limiting nail 14 or radial banking pin 13 and axial limiting nail 14 combination three kinds of schemes, the scheme of the present embodiment preferably axially banking pin 14, and setting follows closely coordinating with axial limiting hole 16 of 14 matched in clearance with axial limiting in circular arc supporting 10, make circular arc support 10 to swing around banking pin in bearing block 9, there is certain angle regulating power, can automatically regulate because of foozle during hollow shaft 2 High Rotation Speed, rigging errors etc. cause the decentraction of hollow shaft 2 and bearing block 9.
As the improvement of the present embodiment, the outside diameter of described circular arc supporting 10 is less than bearing block 9 bore dia, the contact area of circular arc supporting 10 and bearing block 9 can be reduced, promote circular arc supporting 10 in bearing block around the rotating effect of locating pin, its regulating power of further raising, in addition, the diameter of bore that the outside diameter of described hollow shaft first flange 7 and circular arc support 10 is matched in clearance, be beneficial to and support at hollow shaft first flange 7 and circular arc the oil lamella forming constant thickness between 10 bore areas, certain damping and buoyancy effect are formed to circular arc supporting 10, the impact energy of available buffer and absorption load, thus reduce the vibration of Laying head, promote the smoothness of operation of Laying head.
As the improvement of the present embodiment, the head of described radial banking pin 13 is inner or outer hex bolts head 18, middle part for the section of being threaded 19 and afterbody be optical axis canned paragraph 20, described thread segment 19 is fixed on bearing block 9, described optical axis canned paragraph 20 inserts in radial spacing hole 15, move spacing to circular arc supporting 10, prevent it from moving along bearing block 9 cambered surface, but there is the transhipment free degree, the end of described optical axis canned paragraph 20 is set to spherical, can facilitate easily to insert and circular arc can be made to support 10 to realize swinging.
As the improvement of the present embodiment, described circular arc supporting 10 is the segmentation rest pad composition of more than at least three pieces, in the present embodiment, the cylindrical of the segmentation rest pad of described circular arc supporting 10 is set to middle circular arc, both sides hypotenuse structure, as shown in Figure 3, while making circular arc support 10 cylindricals and bearing block 9 endoporus good contact, and and formed between bearing block 9 and put space, thus increase the amplitude of circular arc supporting 10 around locating pin swing, improve its conformability.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. a Laying head, comprise the rotor assembly with the wireform coil circlewise making high-speed straight-line move, for supporting and fix the casing of described rotor assembly, with be arranged on casing for the support component of support rotor assembly and driven unit rotor assembly being provided to power, described rotor assembly comprises the hollow shaft with large end and small end, with the spinning plate that the large end of hollow shaft is fixing, and the spinneret be arranged in hollow shaft, it is characterized in that: the large end of described hollow shaft has the first flange and the second flange that extend to radial direction, described spinning plate is fixed on the end face of the second flange, described support component comprises the supporting structure I being arranged at the large end of hollow shaft and the supporting structure II being arranged at its small end, described supporting structure I comprises and is fixed on bearing block on casing and the swingable circular arc be arranged between bearing block and hollow shaft first flange supports, the periphery of described circular arc supporting and bore area are respectively on the flexible periphery being pressed on inner hole of bearing seat surface and hollow shaft first flange, described circular arc supporting is provided with snap-in structure, described bearing block is provided with the snap fit structure matched with snap-in structure, described bearing block is also provided with for supporting position limiting structure that is spacing and that can swing around it to circular arc.
2. a kind of Laying head according to claim 1, is characterized in that: described snap-in structure is be arranged on the projection that extends to both sides along circular arc of circular arc supporting both sides, and described snap fit structure is the groove with described protruding matched in clearance.
3. a kind of Laying head according to claim 1, it is characterized in that: described position limiting structure is be arranged on radial banking pin that bearing block arc surface distributes vertically or/and be arranged on the axial limiting nail that bearing block end face radially distributes in recess region, described circular arc supporting is provided with radial spacing hole and the axial limiting hole of following closely matched in clearance respectively with radial banking pin and axial limiting, and circular arc is bearing in bearing block can be swung around banking pin.
4. a kind of Laying head according to claim 3, it is characterized in that: the head of described radial banking pin is inner or outer hex bolts head, middle part for the section of being threaded and afterbody be optical axis canned paragraph, the described section of being threaded is fixed on bearing block, and described optical axis canned paragraph inserts in radial spacing hole.
5. a kind of Laying head according to claim 1, is characterized in that: the outside diameter of described circular arc supporting is less than bearing saddle bore diameter, and the diameter of bore that the outside diameter of described hollow shaft first flange and circular arc support is matched in clearance.
6. a kind of Laying head according to claim 1, is characterized in that: described circular arc supporting is the segmentation rest pad composition of more than at least three pieces.
7. a kind of Laying head according to claim 6, is characterized in that: the cylindrical of the segmentation rest pad of described circular arc supporting is set to middle circular arc, both sides hypotenuse structure.
8. a kind of Laying head according to claim 1, is characterized in that: described supporting structure II is the conical bearing or angle bearing that arrange in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520366831.0U CN204638732U (en) | 2015-06-01 | 2015-06-01 | A kind of Laying head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520366831.0U CN204638732U (en) | 2015-06-01 | 2015-06-01 | A kind of Laying head |
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| Publication Number | Publication Date |
|---|---|
| CN204638732U true CN204638732U (en) | 2015-09-16 |
Family
ID=54091507
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520366831.0U Active CN204638732U (en) | 2015-06-01 | 2015-06-01 | A kind of Laying head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192344A1 (en) * | 2015-06-01 | 2016-12-08 | 中冶赛迪工程技术股份有限公司 | Laying head |
| CN107435195A (en) * | 2017-08-22 | 2017-12-05 | 诸暨玛雅电器机械有限公司 | Adaptive embroidery frame for embroidery machine drive mechanism |
| CN110842036A (en) * | 2019-07-06 | 2020-02-28 | 北京杜根鸿运科技发展有限公司 | Self-repairing laying pipe |
-
2015
- 2015-06-01 CN CN201520366831.0U patent/CN204638732U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192344A1 (en) * | 2015-06-01 | 2016-12-08 | 中冶赛迪工程技术股份有限公司 | Laying head |
| CN107435195A (en) * | 2017-08-22 | 2017-12-05 | 诸暨玛雅电器机械有限公司 | Adaptive embroidery frame for embroidery machine drive mechanism |
| CN107435195B (en) * | 2017-08-22 | 2023-08-15 | 诸暨玛雅电器机械有限公司 | Self-adaptive embroidery machine tabouret driving mechanism |
| CN110842036A (en) * | 2019-07-06 | 2020-02-28 | 北京杜根鸿运科技发展有限公司 | Self-repairing laying pipe |
| CN110842036B (en) * | 2019-07-06 | 2021-12-07 | 北京杜根鸿运科技发展有限公司 | Self-repairing laying pipe |
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