CN205464242U - Centrifugal cast tube drawing frock - Google Patents
Centrifugal cast tube drawing frock Download PDFInfo
- Publication number
- CN205464242U CN205464242U CN201521006573.1U CN201521006573U CN205464242U CN 205464242 U CN205464242 U CN 205464242U CN 201521006573 U CN201521006573 U CN 201521006573U CN 205464242 U CN205464242 U CN 205464242U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- tube drawing
- shell
- rotary shaft
- axle sleeve
- 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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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a centrifugal cast tube drawing frock, including lead screw, rotation axis, axle sleeve and four link mechanism of group, threaded hole is seted up along the axis to the rotation axis, the lead screw threaded connection be in in the screw hole, the rotatable cover of axle sleeve is in the rotation axis is outside, link mechanism includes first connecting rod, second connecting rod and two third connecting rods, two third connecting rod parallel arrangement articulates the second connecting rod with between the lead screw, first connecting rod articulates the second connecting rod with between the axle sleeve, four groups link mechanism winds rotation axis evenly distributed. When needs were pulled out the shell from the mould, four second connecting rods will paste to lean on applyed balanced pressure on the pipe wall of shell, through external force pull the pulling lead screw alright in order to pull out the shell from the mould, realize having improved the yield and the straightness accuracy of centrifugal cast pipe through centrifugal cast tube drawing frock.
Description
Technical field
This utility model relates to a kind of machine tool, particularly relates to a kind of centrifugal casting tube drawing frock.
Background technology
At present, centrifugal casting generally by among the pouring molten steel between 1500 degree to 1600 degree to the mould of high speed rotating, by the effect of centrifugal force, makes molten steel solidification be shaped to shell, then shell is deviate from from mould, and carry out following process after being placed on storage rack natural Slow cooling.During being extracted from mould by shell, generally using the drag hook of L-type, the one end of drag hook catches on the mouth of pipe of shell, then, pulls drag hook by external force and is pulled out from mould by shell.But, in actual use, also not cooling down completely owing to the shell temperature in mould is higher, drag hook and shell contact point, by force unbalance, as easy as rolling off a log cause shell to bend, and cause the yield rate of centrifugally cast pipe relatively low and linearity is poor.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of centrifugal casting tube drawing frock, solve the defect that yield rate is relatively low and linearity is poor of centrifugally cast pipe in prior art, it is achieved improved yield rate and the linearity of centrifugally cast pipe by centrifugal casting tube drawing frock.
To achieve these goals, this utility model offer techniques below scheme: a kind of centrifugal casting tube drawing frock, including leading screw, rotary shaft, axle sleeve and four groups of linkages, described rotary shaft offers screwed hole along axis, described threads of lead screw is connected in described screwed hole, described axle sleeve is rotating to be enclosed within outside described rotary shaft, described linkage includes first connecting rod, second connecting rod and two third connecting rods, article two, described third connecting rod be arranged in parallel and is hinged between described second connecting rod and described leading screw, described first connecting rod is hinged between described second connecting rod and described axle sleeve；Described in four groups, linkage is uniformly distributed around described rotary shaft.
Further, it is additionally provided with bearing between described rotary shaft and described axle sleeve.
Further, described rotary shaft is additionally provided with handle.
Further, described leading screw is additionally provided with hook.
Further, described second connecting rod is parallel with the axis of described leading screw.
Further, the lateral wall of described second connecting rod is additionally provided with friction pad.
The centrifugal casting tube drawing frock that this utility model provides, by rotating rotary shaft, leading screw can be driven to move relative to rotary shaft, and leading screw move after by drivening rod mechanism deploying or contraction, and when shell is pulled out from mould by needs, linkage launches, four second connecting rods will bear against on the tube wall of shell, second connecting rod is by the pressure of the tube wall applying equilibrium to shell, then, pull leading screw just can be pulled out from mould by shell by external force traction, due to the uniform force of shell inwall during tube drawing, and pull strength is along shell axis direction, the problem of efficient solution certainly shell end bending, realize being improve yield rate and the linearity of centrifugally cast pipe by centrifugal casting tube drawing frock.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view that this utility model centrifugal casting tube drawing frock embodiment is in deployed condition；
Fig. 2 is the sectional view that this utility model centrifugal casting tube drawing frock embodiment is in contraction state.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As Figure 1-Figure 2, the present embodiment centrifugal casting tube drawing frock, including leading screw 1, rotary shaft 2, axle sleeve 3 and four groups of linkages 4, described rotary shaft 2 offers screwed hole (not shown) along axis, described leading screw 1 is threaded in described screwed hole, described axle sleeve 3 is rotating is enclosed within described rotary shaft 2 outside, described linkage 4 includes first connecting rod 41, second connecting rod 42 and two third connecting rods 43, article two, described third connecting rod 43 be arranged in parallel and is hinged between described second connecting rod 42 and described leading screw 1, described first connecting rod 41 is hinged between described second connecting rod 42 and described axle sleeve 3；Linkage 4 described in four groups is uniformly distributed around described rotary shaft 2.
Specifically, the present embodiment centrifugal casting tube drawing frock is in use inserted in shell, then rotary shaft 2 is rotated, make leading screw 1 protruding, drivening rod mechanism 4 is launched by leading screw 1, second connecting rod 42 will bear against on the tube wall of shell, and linkage 4 described in four groups is uniformly distributed around described rotary shaft 2, make the tube wall stress equalization of shell, leading screw 1 is pulled by external force, just shell can be pulled out from mould, and during pulling, the axis of leading screw 1 keeps consistent with the axis of shell, simultaneously, the tube wall uniform force of shell during tube drawing, the phenomenon that shell bends can be avoided.Wherein, between rotary shaft 2 and described axle sleeve 3, it is additionally provided with bearing 31, guarantees that axle sleeve 3 can rotate in rotary shaft 2 smoothly by bearing 31.And in rotary shaft 2, it is additionally provided with handle 21, facilitate operator to rotate rotary shaft 2 by handle 21.It addition, be additionally provided with hook 12 on leading screw 1, hook 12 can facilitate and is connected with outside force applying device, it is provided that the power of pulling leading screw 1.Preferably, in order to increase the contact area of second connecting rod 42 and the tube wall of shell, second connecting rod 42 is parallel with the axis of described leading screw 1.
Further, in order to increase the frictional force that the tube wall to shell is applied, the lateral wall of described second connecting rod 42 is additionally provided with friction pad 420, during tube drawing, friction pad 420 is pressed on the tube wall of shell by second connecting rod 42, friction pad 420 will effectively increase the frictional force applying shell, it is ensured that shell can be drawn out smoothly.
The present embodiment centrifugal casting tube drawing frock, by rotating rotary shaft, leading screw can be driven to move relative to rotary shaft, and leading screw move after by drivening rod mechanism deploying or contraction, and when shell is pulled out from mould by needs, linkage launches, four second connecting rods will bear against on the tube wall of shell, second connecting rod is by the pressure of the tube wall applying equilibrium to shell, then, pull leading screw just can be pulled out from mould by shell by external force traction, due to the uniform force of shell inwall during tube drawing, and pull strength is along shell axis direction, the problem of efficient solution certainly shell end bending, realize being improve yield rate and the linearity of centrifugally cast pipe by centrifugal casting tube drawing frock.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (6)
1. a centrifugal casting tube drawing frock, it is characterized in that, including leading screw, rotary shaft, axle sleeve and four groups of linkages, described rotary shaft offers screwed hole along axis, described threads of lead screw is connected in described screwed hole, described axle sleeve is rotating to be enclosed within outside described rotary shaft, described linkage includes first connecting rod, second connecting rod and two third connecting rods, article two, described third connecting rod be arranged in parallel and is hinged between described second connecting rod and described leading screw, and described first connecting rod is hinged between described second connecting rod and described axle sleeve；Described in four groups, linkage is uniformly distributed around described rotary shaft.
Centrifugal casting tube drawing frock the most according to claim 1, it is characterised in that be additionally provided with bearing between described rotary shaft and described axle sleeve.
Centrifugal casting tube drawing frock the most according to claim 1, it is characterised in that be additionally provided with handle in described rotary shaft.
Centrifugal casting tube drawing frock the most according to claim 1, it is characterised in that be additionally provided with hook on described leading screw.
Centrifugal casting tube drawing frock the most according to claim 1, it is characterised in that described second connecting rod is parallel with the axis of described leading screw.
6. according to the arbitrary described centrifugal casting tube drawing frock of claim 1-5, it is characterised in that the lateral wall of described second connecting rod is additionally provided with friction pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006573.1U CN205464242U (en) | 2015-12-08 | 2015-12-08 | Centrifugal cast tube drawing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006573.1U CN205464242U (en) | 2015-12-08 | 2015-12-08 | Centrifugal cast tube drawing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205464242U true CN205464242U (en) | 2016-08-17 |
Family
ID=56660322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521006573.1U Expired - Fee Related CN205464242U (en) | 2015-12-08 | 2015-12-08 | Centrifugal cast tube drawing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205464242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041014A (en) * | 2016-08-19 | 2016-10-26 | 侯马市风雷管模制造有限公司 | Connecting plate type pipe pulling head |
| CN110935862A (en) * | 2018-09-25 | 2020-03-31 | 科华控股股份有限公司 | Lifter of vacuum suction casting lift tube |
-
2015
- 2015-12-08 CN CN201521006573.1U patent/CN205464242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041014A (en) * | 2016-08-19 | 2016-10-26 | 侯马市风雷管模制造有限公司 | Connecting plate type pipe pulling head |
| CN110935862A (en) * | 2018-09-25 | 2020-03-31 | 科华控股股份有限公司 | Lifter of vacuum suction casting lift tube |
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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: 20160817 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |