CN203738451U - Positioning device for milling rotating shaft of center line-type butterfly valve - Google Patents
Positioning device for milling rotating shaft of center line-type butterfly valve Download PDFInfo
- Publication number
- CN203738451U CN203738451U CN201420148292.9U CN201420148292U CN203738451U CN 203738451 U CN203738451 U CN 203738451U CN 201420148292 U CN201420148292 U CN 201420148292U CN 203738451 U CN203738451 U CN 203738451U
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- CN
- China
- Prior art keywords
- tray
- rotating shaft
- adjustable column
- standing screw
- stop nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a positioning device for milling a rotating shaft of a center line-type butterfly valve. The device comprises a rotating shaft supporting block, a first supporting block fixing screw, a second supporting block fixing screw, a first supporting block limiting nut, a second supporting block limiting nut, a first adjusting column, a second adjusting column, a first adjusting column clamping block and a second adjusting column clamping block; the rotating shaft supporting block is arranged under a milling cutter, and a U-shaped or V-shaped clamping groove is formed in the middle part of the rotating shaft supporting block. Compared with the prior art, the positioning device for milling the rotating shaft of the center line-type butterfly valve is simple in structure, low in cost, and practical, and is used for ensuring horizontal placement of the rotating shaft by providing supporting force for the rotating shaft in the rotating shaft milling process; in combination with the existing milling machine structure, the positioning device is simple in structure and low in modification cost; meanwhile, a structure in which the rotating shaft supporting block can be adjusted up and down is provided, so that the fixation of the rotating shafts different in specification can be realized, and therefore, the positioning device can be popularized and utilized conveniently, and has great practical value.
Description
Technical field
The utility model belongs to centre-pivoted butterfly valve processing technique field, relates in particular to a kind of milling centre-pivoted butterfly valve shaft positioning device.
Background technology
Centre-pivoted butterfly valve is a kind of parts that are used for realizing pipe-line system break-make and flow-control, in many fields such as oil, chemical industry, metallurgy, water power, obtains applying very widely.The architectural feature of centre-pivoted butterfly valve is that rotating shaft core, butterfly plate center, body center are on same position.
Rotating shaft is as important parts of centre-pivoted butterfly valve, in the process of processing, needs its milling light, and conventional milling light method is, rotating shaft kept flat, and its one end is fixed, and the other end holds out against, and side's disposed thereon milling cutter is in contact with it, and carries out milling light.Because milling cutter countershaft pressure is larger, and rotating shaft only has one end to fix, and in the process of milling, often can cause the non-horizontal positioned of rotating shaft, thereby mills out the not specification of rotating shaft surface configuration of coming, and causes substandard products, even waste product, and waste raw materials for production, increase production cost.
Summary of the invention
The purpose of this utility model is to provide a kind of milling centre-pivoted butterfly valve shaft positioning device; with solve exist in prior art in the process of milling; often can cause the non-horizontal positioned of rotating shaft; thereby mill out the not specification of rotating shaft surface configuration of coming; cause substandard products; even waste product, waste raw materials for production, the defect of increase production cost.
For realizing the purpose of this utility model, the utility model provides a kind of milling centre-pivoted butterfly valve shaft positioning device, described device comprises: rotating shaft tray, the first tray standing screw, the second tray standing screw, the first tray stop nut, the second tray stop nut, the first adjustable column, the second adjustable column, the first adjustable column fixture block, the second adjustable column fixture block, described rotating shaft tray is arranged at the below of milling cutter, position, intermediate portion has U-shaped or V-type draw-in groove, the bottom shape of described draw-in groove is similar to described rotating shaft outer circumference surface shape, the middle part of described rotating shaft is stuck in described draw-in groove, described rotating shaft tray two ends are vertically fixed with respectively described the first tray standing screw and the second tray standing screw, described the first tray standing screw and the second tray standing screw are through described rotating shaft tray, its lower end is fixed with respectively described the first tray stop nut and the second tray stop nut, and the structure that described rotating shaft tray is made up of described the first tray standing screw, the second tray standing screw, the first tray stop nut and the second tray stop nut fixes to clamp, below described the first tray stop nut and the second tray stop nut, described the first tray standing screw and the second tray standing screw are threaded with described the first adjustable column and the second adjustable column top respectively, described the first adjustable column fixture block and the second adjustable column fixture block are threaded with the screwed hole that described the first adjustable column and described the second adjustable column bottom are provided with respectively, and described the first adjustable column and the first adjustable column fixture block, described the second adjustable column and the second adjustable column fixture block, be all fixedly clamped on the work top of bed body by helicitic texture.
The utility model, compared with prior art, provides a kind of simple in structure, low cost, practical milling centre-pivoted butterfly valve rotating shaft stopping means, by milling rotating shaft process, provides support power to rotating shaft, has ensured the horizontal positioned of rotating shaft; Utilize the combination with it of existing milling machine structure, simple in structure, improvement cost is low; Meanwhile, being provided with rotating shaft tray can up-down adjustment structure, has realized the fixing of different size rotating shaft, is convenient to of the present utility model applying, and has very strong practical value.
Brief description of the drawings
Fig. 1 is that the utility model is applied to the structural representation on milling machine;
Fig. 2 is structural representation a of the present utility model;
Fig. 3 is structural representation b of the present utility model;
In figure, 1-milling cutter, 2-rotating shaft, 3-milling centre-pivoted butterfly valve shaft positioning device, 4-holds out against end, 5-stiff end, 6-bedstead, 31-rotating shaft tray, 32-the first tray standing screw, 33-the second tray standing screw, 34-the first tray stop nut, 35-the second tray stop nut, 36-the first adjustable column, 37-the second adjustable column, 38-the first adjustable column fixture block, 39-the second adjustable column fixture block.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be understood to specific embodiment described herein only in order to explain the utility model, be not limited to protection domain of the present utility model.
As shown in Figure 1, be applied to the structural representation of milling machine for the utility model.
As Fig. 2, shown in Fig. 3, the utility model provides a kind of milling centre-pivoted butterfly valve shaft positioning device, described device comprises: rotating shaft tray, the first tray standing screw, the second tray standing screw, the first tray stop nut, the second tray stop nut, the first adjustable column, the second adjustable column, the first adjustable column fixture block, the second adjustable column fixture block, described rotating shaft tray is arranged at the below of milling cutter, position, intermediate portion has U-shaped or V-type draw-in groove, the bottom shape of described draw-in groove is similar to described rotating shaft outer circumference surface shape, the middle part of described rotating shaft is stuck in described draw-in groove, described rotating shaft tray two ends are vertically fixed with respectively described the first tray standing screw and the second tray standing screw, described the first tray standing screw and the second tray standing screw are through described rotating shaft tray, its lower end is fixed with respectively described the first tray stop nut and the second tray stop nut, and the structure that described rotating shaft tray is made up of described the first tray standing screw, the second tray standing screw, the first tray stop nut and the second tray stop nut fixes to clamp, below described the first tray stop nut and the second tray stop nut, described the first tray standing screw and the second tray standing screw are threaded with described the first adjustable column and the second adjustable column top respectively, described the first adjustable column fixture block and the second adjustable column fixture block are threaded with the screwed hole that described the first adjustable column and described the second adjustable column bottom are provided with respectively, and described the first adjustable column and the first adjustable column fixture block, described the second adjustable column and the second adjustable column fixture block, be all fixedly clamped on the work top of bed body by helicitic texture.
When use, rotating shaft is disposed across in draw-in groove, rotating shaft one end is fixed, and one end is held out against, and due to the support of rotating shaft tray being provided, rotating shaft, in the process of milling flat, can keep balance.In the time that needs are changed other specification rotating shafts, need to regulate the height of rotating shaft tray, at this moment, first unclamp described the first tray stop nut and the second tray stop nut, then, tighten downwards and rotate the first tray standing screw and the second tray standing screw, meet after requirement for height, fixing tight the first tray stop nut and the second tray stop nut, ensure the stable of rotating shaft tray, thereby the height of having realized rotating shaft tray regulates, and can be suitable for the rotating shaft milling flat of different size.
The utility model, compared with prior art, provides a kind of simple in structure, low cost, practical milling centre-pivoted butterfly valve rotating shaft stopping means, by milling rotating shaft process, provides support power to rotating shaft, has ensured the horizontal positioned of rotating shaft; Utilize the combination with it of existing milling machine structure, simple in structure, improvement cost is low; Meanwhile, being provided with rotating shaft tray can up-down adjustment structure, has realized the fixing of different size rotating shaft, is convenient to of the present utility model applying, and has very strong practical value.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a milling centre-pivoted butterfly valve shaft positioning device, it is characterized in that, described device comprises: rotating shaft tray, the first tray standing screw, the second tray standing screw, the first tray stop nut, the second tray stop nut, the first adjustable column, the second adjustable column, the first adjustable column fixture block, the second adjustable column fixture block, described rotating shaft tray is arranged at the below of milling cutter, position, intermediate portion has U-shaped or V-type draw-in groove, the bottom shape of described draw-in groove is similar to described rotating shaft outer circumference surface shape, and the middle part of described rotating shaft is stuck in described draw-in groove; Described rotating shaft tray two ends are vertically fixed with respectively described the first tray standing screw and the second tray standing screw, described the first tray standing screw and the second tray standing screw are through described rotating shaft tray, its lower end is fixed with respectively described the first tray stop nut and the second tray stop nut, and the structure that described rotating shaft tray is made up of described the first tray standing screw, the second tray standing screw, the first tray stop nut and the second tray stop nut fixes to clamp; Below described the first tray stop nut and the second tray stop nut, described the first tray standing screw and the second tray standing screw are threaded with described the first adjustable column and the second adjustable column top respectively; Described the first adjustable column fixture block and the second adjustable column fixture block are threaded with the screwed hole that described the first adjustable column and described the second adjustable column bottom are provided with respectively, and described the first adjustable column and the first adjustable column fixture block, described the second adjustable column and the second adjustable column fixture block, be all fixedly clamped on the work top of bed body by helicitic texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148292.9U CN203738451U (en) | 2014-03-28 | 2014-03-28 | Positioning device for milling rotating shaft of center line-type butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148292.9U CN203738451U (en) | 2014-03-28 | 2014-03-28 | Positioning device for milling rotating shaft of center line-type butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738451U true CN203738451U (en) | 2014-07-30 |
Family
ID=51338314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148292.9U Expired - Fee Related CN203738451U (en) | 2014-03-28 | 2014-03-28 | Positioning device for milling rotating shaft of center line-type butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289938A (en) * | 2014-09-30 | 2015-01-21 | 苏州速腾电子科技有限公司 | Jig special for circular shaft |
-
2014
- 2014-03-28 CN CN201420148292.9U patent/CN203738451U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289938A (en) * | 2014-09-30 | 2015-01-21 | 苏州速腾电子科技有限公司 | Jig special for circular shaft |
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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: 20140730 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |