CN205069235U - Stranding machine and drum clamping device thereof - Google Patents
Stranding machine and drum clamping device thereof Download PDFInfo
- Publication number
- CN205069235U CN205069235U CN201520910081.9U CN201520910081U CN205069235U CN 205069235 U CN205069235 U CN 205069235U CN 201520910081 U CN201520910081 U CN 201520910081U CN 205069235 U CN205069235 U CN 205069235U
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- China
- Prior art keywords
- ball bearing
- clamping device
- movable sleeve
- wire coil
- thrust ball
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Abstract
The utility model discloses a stranding machine and drum clamping device thereof, but drum clamping device overlaps, installs through the screw thread axial with adjusting including fixed fix the interior movable sleeve of cover, install top, outer lane in the movable sleeve are fixed in radial ball bearing and thrust ball bearing in the movable sleeve, the fixed suit of apical installation end in in radial ball bearing and thrust ball bearing's the inner circle, install the lubricating cup of top head is installed the fixed muffler of sheatheeing in is installed the night bolt subassembly in the frame is installed externally to the spanner cover of movable sleeve afterbody. According to the configuration, the utility model provides a drum clamping device of stranding machine, the radial force and the axial force of its load are born by radial ball bearing and thrust ball bearing respectively, and bearing during operation small friction makes it to realize the requirement of little tensile cable unwrapping wire, the movable sleeve removes freely long service life in fixed cover simultaneously.
Description
Technical field
The utility model relates to cable processing technique field, more particularly, relates to a kind of stranding machine and wire coil clamping device thereof.
Background technology
Stranding machine is used for multiply individual wires to twist together formation cable, and it is according to the mode of twisted wire, generally can be divided into cage stranding machine, frame type stranding machine, tube-type line strander and disc type stranding machine etc.
The wire coil clamping device of stranding machine is used for wire coil clamping, to ensure that drum can be positioned at fixed position, and ensure that drum can carry out stable rotation when unwrapping wire or take-up.
The wire coil clamping device of stranding machine comprises top, movable sleeve and fixed cover, and top one end stretches to movable sleeve inside, and is provided with bearing, to ensure top can rotation by stable carrying out between the top and inwall of movable sleeve.Movable sleeve can be arranged in the cavity of fixed cover to axial adjustment, and then drives top relieving or wire coil clamping.
Because the weight of drum is very large, top when wire coil clamping, the axial force be subject to and radial load are comparatively large, and bearing frictional resistance at work causes greatly laying tension large, and just become consumable accessory for supporting top bearing, useful life is shorter simultaneously.
Therefore, when producing communication cable and the optical cable of small tension receiving coil, the unwrapping wire how realizing small tension receiving coil cable requires and how to extend the useful life of bearing, becomes those skilled in the art's important technological problems to be solved.
Utility model content
In view of this, the utility model provides a kind of wire coil clamping device of stranding machine, and its bearing operationally frictional resistance is little, the unwrapping wire that can realize small tension receiving coil cable require and the useful life of bearing longer.The utility model additionally provides a kind of stranding machine comprising above-mentioned wire coil clamping device.
The wire coil clamping device of a kind of stranding machine that the utility model provides, comprise fixed cover, can be arranged on to axial adjustment the movable sleeve in described fixed cover by screw thread, radial ball bearing in described movable sleeve is fixed in top, the outer ring be arranged in described movable sleeve and at least two corresponding thrust ball bearings installed, the outer ring of described radial ball bearing is floating type, inner ring is fixed, and described top installation end fixed cover is loaded in the inner ring of described radial ball bearing and thrust ball bearing.
Preferably, described radial ball bearing and described thrust ball bearing are respectively two.
Preferably, two described thrust ball bearings are between two radial ball bearings.
Preferably, the model of the described thrust ball bearing and described radial ball bearing that are close to described top the inner is less than and is close to the described thrust ball bearing of described top outer end and the model of described radial ball bearing.
Preferably, the inwall of described movable sleeve is provided with annular protrusion, and described top installation two ends are respectively equipped with the shaft shoulder and back-up ring; A described radial ball bearing and a described thrust ball bearing are arranged between the side of described annular protrusion and the described top shaft shoulder, and radial ball bearing described in another and thrust ball bearing described in another are arranged between the opposite side of described annular protrusion and described back-up ring.
Preferably, spacer is provided with between described radial ball bearing and described thrust ball bearing.
Preferably, also comprise be arranged on described movable sleeve afterbody spanner cover and frame mounted externally on night bolt assembly, described spanner overlaps on periphery and is processed with decile breach.
Preferably, described fixed cover is processed with ventilation main line, in the exit on described ventilation main line, muffler is installed.
Preferably, describedly toply be provided with the lubrication main line that extends along its axial line and be connected and the lubrication branch road radially extended with described lubrication main line, lubricating oil is directed in described radial ball bearing or described thrust ball bearing by described lubrication main line and described lubrication branch road.
Preferably, the outside on described lubrication main line is provided with lubricator cup.
The utility model additionally provides a kind of stranding machine, comprises the wire coil clamping device as above described in any one.
The wire coil clamping device of a kind of stranding machine that the utility model provides, comprise fixed cover, can be arranged on to axial adjustment the movable sleeve in described fixed cover by screw thread, radial ball bearing in described movable sleeve is fixed in top, the outer ring be arranged in described movable sleeve and at least two corresponding thrust ball bearings installed, the outer ring of described radial ball bearing is floating type, inner ring is fixed, and described top installation end fixed cover is loaded in the inner ring of described radial ball bearing and thrust ball bearing.Setting like this, the wire coil clamping device that the utility model provides, radial ball bearing mainly bears the effect of top suffered radial forces; Thrust ball bearing mainly bears top suffered axial force.Therefore, the wire coil clamping device that the utility model provides, the radial forces that load produces on top is born by two kinds of different bearings respectively from axial force; When wire coil clamping device can produce temperature rise phenomenon in long-term work, top meeting can produce axial elongation under heat rises, because of radial ball bearing outer ring be floating type can not because of Axial Thermal rise extend and produce bearing oil clearance reduce, two thrust ball bearings are for being mounted opposite simultaneously, Axial Thermal rise extend phenomenon bearing oil clearance can be caused to increase, bearing can be made like this to rotate in long-term work flexibly, the unwrapping wire requirement of small tension receiving coil cable can be realized, and damage can not be caused to bearing.
In the preferred version that the utility model provides, fixed cover is processed with ventilation main line, be actively set in drum clamping and the process loosened, the cavity formed between fixed cover and movable sleeve would not produce the phenomenon of supercharging and negative pressure, makes it movable sleeve motion flexible.
In another kind of preferred version, spanner cover periphery is processed with decile breach, when movable sleeve is in clamped condition, night bolt assembly is fallen, movable sleeve can not be rotated, and when stranding machine operates, movable sleeve would not produce because of the impact such as centrifugal force and vibration the phenomenon that gets loose.
The utility model additionally provides a kind of stranding machine comprising above-mentioned wire coil clamping device, and the unwrapping wire that can realize small tension receiving coil cable requires and bearing has longer useful life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The wire coil clamping device generalized section that Fig. 1 provides for the utility model embodiment;
The wire coil clamping device stereochemical structure partly cut-away schematic diagram that Fig. 2 provides for the utility model embodiment;
Wherein, fixed cover-11, movable sleeve-12, top-13, radial ball bearing-14, thrust ball bearing-15, annular protrusion-16, the shaft shoulder-17, back-up ring-18, spacer-19, air vent hole-20, muffler-21, lubricator cup-22, spanner cover-23, night bolt assembly-24.
Embodiment
This embodiment provides a kind of wire coil clamping device of stranding machine, the unwrapping wire that can realize small tension receiving coil cable require and the useful life of bearing longer.This embodiment additionally provides a kind of stranding machine comprising above-mentioned wire coil clamping device.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the wire coil clamping device of a kind of stranding machine that this embodiment provides, comprise fixed cover 11, the movable sleeve 12 in fixed cover 11 can be arranged on to axial adjustment by screw thread, be arranged on top 13 in movable sleeve 12, radial ball bearing 14 in movable sleeve 12 and thrust ball bearing 15 are fixed in outer ring, the installation end fixed cover of top 13 is loaded in the inner ring of radial ball bearing 14 and thrust ball bearing 15, be arranged on the lubricator cup 22 of top 13 heads, be arranged on the muffler 21 on fixed cover 11, be arranged on the spanner cover 23 of movable sleeve 12 afterbody, night bolt assembly 24 in frame mounted externally.
It should be noted that, above-mentioned fixed cover 11 is fixed in the frame of stranding machine, and movable sleeve 12 by screw thread can axial adjustment be arranged in fixed cover 11, refer to that fixed cover 11 is provided with internal thread, movable sleeve 12 is provided with the external screw thread matched with above-mentioned internal thread, can be controlled the axial location of movable sleeve 12 by rotary moveable cover 12, top 13 are connected by bearing with movable sleeve 12, when regulating movable sleeve 12 position, the adjustable axial location of top 13, and then wire coil clamping or loosen drum.
Setting like this, the wire coil clamping device that the utility model provides, radial ball bearing 14 mainly bears the effect of the radial forces suffered by top 13; Thrust ball bearing 15 mainly bears the axial force suffered by top 13.Therefore, the wire coil clamping device that the utility model provides, the wire coil clamping device that the utility model provides, the first point: the radial forces that load produces on top 13 and axial force are born by two kinds of different bearings 14,15 respectively; When wire coil clamping device can produce temperature rise phenomenon in long-term work, top 13 can produce axial elongation under heat rises, because of radial ball bearing 14 outer ring be floating type can not because of Axial Thermal rise extend and produce bearing oil clearance reduce, two thrust ball bearings 15 are for being mounted opposite simultaneously, Axial Thermal rise extend phenomenon can draw into bearing oil clearance increase, bearing can be made like this to rotate in long-term work flexibly, the unwrapping wire requirement of small tension receiving coil cable can be realized, and damage can not be caused to bearing.Second point: be processed with ventilation main line on fixed cover 11, movable sleeve 12 is in the process clamped drum and loosen, and the cavity formed between fixed cover 11 and movable sleeve 12 would not produce the phenomenon of supercharging and negative pressure, makes it movable sleeve 12 and moves flexibly.Thirdly: overlap on 23 peripheries at spanner and be processed with decile breach, when movable sleeve 12 is in clamped condition, night bolt assembly 24 is fallen, movable sleeve 12 can not be rotated, when stranding machine operates, movable sleeve 12 would not produce because of the impact such as centrifugal force and vibration the phenomenon that gets loose.
In the preferred version that this embodiment provides, radial ball bearing 14 and thrust ball bearing 15 are respectively two, namely top 13 are arranged in movable sleeve 12 by the supporting role of four bearings.
Further, two thrust ball bearings 15 are between two radial ball bearings 14, and namely two radial ball bearings 14 are separated by two thrust ball bearings 15.Setting like this, two radial ball bearings 14 install span greatly, can reduce the radial load of two bearings.And two pieces radial ball bearing 14 bears radial load, and bearing outer ring is swimming type, the flexible running of bearing can not be affected for machine-building error and variations in temperature.
In the preferred version of this embodiment, the model of the thrust ball bearing 15 and radial ball bearing 14 that are close to the inner of top 13 is less than the thrust ball bearing 15 of the outer end being close to top 13 and the model of radial ball bearing 14.According to the difference of shaft strength, the bearing of different size is selected to reduce costs.
Setting like this, the thrust ball bearing 15 varied in size can bear the axial force of different directions, the axial force that the thrust ball bearing 15 of relatively large number produces when not only can bear clamping can also bear the centrifugal force that drum produces in operation process simultaneously, mainly axial pre tightening force is born compared with the thrust ball bearing 15 of ting model, the two suffered axial force distribution rationally, and then ensure that the useful life of the two.And the heat that bearing produces in operation process can be delivered on top 13 axles, axle can be extended at length direction, distribution like this, the distance between two thrust balls can be made thereupon also to strengthen, the play of bearing is strengthened, so the rising of reasonable temperature can not affect the running of thrust ball ball-joint.
Particularly, above-mentioned four bearings specific as followsly can be stated mode and install, and the inwall of movable sleeve 12 is provided with annular protrusion 16, and the installation end of top 13 is provided with the shaft shoulder 17 and back-up ring 18; A radial ball bearing 14 and a thrust ball bearing 15 are arranged between the side of annular protrusion 16 and the shaft shoulder 17 of top 13, and another radial ball bearing 14 and another thrust ball bearing 15 are arranged between the opposite side of annular protrusion 16 and back-up ring 18.Spacer 19 can be provided with between radial ball bearing 14 and thrust ball bearing 15.Setting like this, ensure that the installation stability of bearing, so ensure that top 13 running time stability.
In order to guarantee to lubricate fully four bearings, top 13 can be provided with the lubrication main line that extends along its axial line and be connected and the lubrication branch road radially extended with lubrication main line, and lubricating oil is directed in radial ball bearing 14 or thrust ball bearing 15 by lubrication main line and lubrication branch road.The outside on lubrication main line is provided with lubricator cup, oily for radial ball bearing 14 and thrust ball bearing 15.
Setting like this, can lubricate four bearings easily, extend the useful life of bearing further.
In another preferred version of this embodiment, fixed cover 11 or movable sleeve 12 are also provided with air vent hole 20, this air vent hole 20 communicates with the threaded engagement place of fixed cover 11 and movable sleeve 12.It should be noted that; in prior art when movable sleeve 12 rotates in fixed cover 11; often occur rotating motionless problem; and then can not the position of axial adjustment movable sleeve 12; to such an extent as to those skilled in the art can think that threaded engagement place exists impurity usually; and cause can not turn movable sleeve 12, so usually can at substantial manpower and materials movable sleeve 12 is split out from fixed cover 11 clear up after reinstall.
And in the preferred version that this embodiment provides, find that movable sleeve 12 can not continue precession, occur that high pressure or negative pressure appearance cause by movable sleeve 12 and the threaded engagement of fixed cover 11.Therefore, in the technical program, be communicated with threaded engagement place by arranging air vent hole 20, and then avoid threaded engagement place and occur high pressure or negative pressure appearance, and cause movable sleeve 12 can not continue the problem of precession.Further, muffler 21 can be provided with in air vent hole 20 exit, avoid impurity to enter threaded engagement place.
This embodiment additionally provides a kind of stranding machine, comprises the wire coil clamping device as above described in arbitrary embodiment.Setting like this, the stranding machine that the utility model provides, the unwrapping wire that can realize small tension receiving coil cable requires and bearing has longer useful life.The derivation of the derivation of this beneficial effect and the beneficial effect of above-mentioned wire coil clamping device is substantially similar, therefore repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. the wire coil clamping device of a stranding machine, it is characterized in that, comprise fixed cover, can be arranged on to axial adjustment the movable sleeve in described fixed cover by screw thread, radial ball bearing in described movable sleeve is fixed in top, the outer ring be arranged in described movable sleeve and at least two corresponding thrust ball bearings installed, the outer ring of described radial ball bearing is floating type, inner ring is fixed, and described top installation end fixed cover is loaded in the inner ring of described radial ball bearing and thrust ball bearing.
2. wire coil clamping device as claimed in claim 1, it is characterized in that, described radial ball bearing and described thrust ball bearing are respectively two.
3. wire coil clamping device as claimed in claim 2, it is characterized in that, two described thrust ball bearings are between two radial ball bearings.
4. wire coil clamping device as claimed in claim 3, it is characterized in that, the model of the described thrust ball bearing and described radial ball bearing that are close to described top the inner is less than and is close to the described thrust ball bearing of described top outer end and the model of described radial ball bearing.
5. wire coil clamping device as claimed in claim 4, it is characterized in that, the inwall of described movable sleeve is provided with annular protrusion, and described top installation two ends are respectively equipped with the shaft shoulder and back-up ring; A described radial ball bearing and a described thrust ball bearing are arranged between the side of described annular protrusion and the described top shaft shoulder, and radial ball bearing described in another and thrust ball bearing described in another are arranged between the opposite side of described annular protrusion and described back-up ring.
6. wire coil clamping device as claimed in claim 5, is characterized in that, be provided with spacer between described radial ball bearing and described thrust ball bearing.
7. wire coil clamping device as claimed in claim 6, is characterized in that, also comprise be arranged on described movable sleeve afterbody spanner cover and frame mounted externally on night bolt assembly, described spanner overlaps on periphery and is processed with decile breach.
8. wire coil clamping device as claimed in claim 7, is characterized in that, described fixed cover is processed with ventilation main line, is provided with muffler in the exit on described ventilation main line.
9. the wire coil clamping device as described in any one of claim 1-8, it is characterized in that, describedly toply be provided with the lubrication main line that extends along its axial line and be connected and the lubrication branch road radially extended with described lubrication main line, lubricating oil is directed in described radial ball bearing or described thrust ball bearing by described lubrication main line and described lubrication branch road.
10. wire coil clamping device as claimed in claim 9, it is characterized in that, the outside on described lubrication main line is provided with lubricator cup.
11. 1 kinds of stranding machines, is characterized in that, comprise the wire coil clamping device as described in any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910081.9U CN205069235U (en) | 2015-11-13 | 2015-11-13 | Stranding machine and drum clamping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910081.9U CN205069235U (en) | 2015-11-13 | 2015-11-13 | Stranding machine and drum clamping device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069235U true CN205069235U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910081.9U Expired - Fee Related CN205069235U (en) | 2015-11-13 | 2015-11-13 | Stranding machine and drum clamping device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710736A (en) * | 2015-11-13 | 2017-05-24 | 合肥神马科技集团有限公司 | Stranding machine and coil clamping device thereof |
-
2015
- 2015-11-13 CN CN201520910081.9U patent/CN205069235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710736A (en) * | 2015-11-13 | 2017-05-24 | 合肥神马科技集团有限公司 | Stranding machine and coil clamping device thereof |
| CN106710736B (en) * | 2015-11-13 | 2018-08-07 | 合肥神马科技集团有限公司 | A kind of wire stranding machine and its wire coil clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20191113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |