CN104259406A - Sand core support for exhausting pipe - Google Patents
Sand core support for exhausting pipe Download PDFInfo
- Publication number
- CN104259406A CN104259406A CN201410486191.7A CN201410486191A CN104259406A CN 104259406 A CN104259406 A CN 104259406A CN 201410486191 A CN201410486191 A CN 201410486191A CN 104259406 A CN104259406 A CN 104259406A
- Authority
- CN
- China
- Prior art keywords
- blast pipe
- molten iron
- core support
- stud
- clamping space
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
Abstract
The invention discloses a sand core support for an exhausting pipe. The sand core support comprises a cylindrical core supporting body and a clamping space, wherein the upper and lower circular end faces of the cylindrical core supporting body are supporting faces which are used for supporting a sand core and can guarantee the wall thickness of the exhausting pipe, and the outer circumferential surface of the cylindrical core supporting body is a fusion surface between the cylindrical core supporting body and casting molten iron; the clamping space is a circumferential annular groove formed in the middle of the fusion surface of the core supporting body. The sand core support for the exhausting pipe is of an I shape, the clamping space for containing the molten iron and fixing the solidified molten iron is formed in the middle of the sand core support, so that the problem that a core support falls off due to poor fusion between the core support and the molten iron can be effectively prevented, and potential quality hazards of the exhausting pipe are eliminated.
Description
Technical field
The present invention relates to blast pipe casting field, particularly a kind of blast pipe core support.
Background technology
In the casting process of blast pipe, after going out a large iron clad water transport to casting place, then be divided into different handbags and be cast into blast pipe one by one, required time is long, and greatly, initial workpiece is different from the temperature that last part is poured into a mould for the molten iron temperature range of decrease.The stud of casting above and molten iron can fuse very well, and when cast temperature is too high, stud even can soften, and the buoyancy of core of giving away causes core to float, and make the wall thickness in the middle of foundry goods thinning.In order to ensure the wall thickness of blast pipe, the general stud using similar " column type " that stem stem diameter is larger in casting technique, although to ensureing that the heavy wall of blast pipe is more secure.
Because blast pipe casting cycle molten iron is not keep constant temperature, the molten iron temperature range of decrease is large, and initial workpiece is different from the temperature that last part is poured into a mould.In same large iron clad water, the stud of casting above can fuse very well with molten iron; But due to the reduction of molten iron temperature of casting below, molten iron and stud may fuse bad.When merging bad, due to stud similar " column type ", molten iron " can not contain " stud completely, and under the vibrations of engine working process, stud easily comes off.And the stud come off enters into the exhaust of engine the booster air flue be connected with blast pipe, breaks booster turbine.Cause turbocharger impairment, cause engine abnormal noise, the fault such as unable.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
A kind of simple and reasonable blast pipe core is the object of the present invention is to provide to support, the support of this blast pipe core is " work " font, have at middle part and hold molten iron and after it solidifies, form fixing clamping space, this blast pipe core is made to support under the prerequisite ensureing blast pipe wall thickness, effectively can prevent stud and molten iron from merging bad and coming off, eliminate the hidden danger of quality that blast pipe is potential.Propose a kind of new blast pipe quality assurance theory: even if stud and molten iron merge be not fine, also can ensure that stud does not come off, ensure that the castability of blast pipe simultaneously.Break in the past thought stud and molten iron and 100% must fuse to obtain the idea of just not mass problem very well.
For achieving the above object, the invention provides the support of blast pipe core, comprising: stud body, it is column type, and the circular end face up and down of this column type stud body is supporting surface, for supporting core, ensures the wall thickness of blast pipe; The outer peripheral face of this column type stud body is it and the fusion face of casting molten iron; And clamping space, it is the circumferential groove in its end portion of the fusion Middle face being opened in described stud body.
Preferably, in technique scheme, this blast pipe core support side direction is in " work " font.
Preferably, in technique scheme, the rectangular in cross-section in clamping space.
Preferably, in technique scheme, the diameter of column type stud body is 10mm, is highly 5mm, and the width in rectangle clamping space is 3mm, and the degree of depth is 2.5mm.
Compared with prior art, the present invention has following beneficial effect: the support of this blast pipe core is " work " font, have at middle part and hold molten iron and after it solidifies, form fixing clamping space, this blast pipe core is made to support under the prerequisite ensureing blast pipe wall thickness, effectively can prevent stud and molten iron from merging bad and coming off, eliminate the hidden danger of quality that blast pipe is potential.Propose a kind of new blast pipe quality assurance theory: even if stud and molten iron merge be not fine, also can ensure that stud does not come off, ensure that the castability of blast pipe simultaneously.Break in the past thought stud and molten iron and 100% must fuse to obtain the idea of just not mass problem very well.
Accompanying drawing explanation
Fig. 1 is the side-looking structural representation of blast pipe core of the present invention support.
Fig. 2 is the main TV structure schematic diagram of blast pipe core of the present invention support.
Description of reference numerals:
1-stud body, 2-clamping space.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole description and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As depicted in figs. 1 and 2, leave at middle part on the basis of original cylindrical structure according to the blast pipe core support of the specific embodiment of the invention and hold molten iron and after it solidifies, form fixing clamping space, the concrete structure of this blast pipe core support comprises: stud body 1 and the clamping space 2 be formed in the middle part of this stud body 1, wherein, stud body 1 is for supporting core, ensure the wall thickness of blast pipe, clamping space 2 can hold molten iron and be formed fixing after it solidifies, this blast pipe core is made to support under the prerequisite ensureing blast pipe wall thickness, can effectively prevent stud and molten iron from merging bad and coming off, eliminate the hidden danger of quality that blast pipe is potential.
Wherein, stud body 1 is the metal support supporting core in casting mold, and its material is identical with casting material or close.For antirust and better with molten metal welding, stud surface should be cleaned and zinc-plated.When ensureing that core is firm, stud should be placed on the non-machined surface of foundry goods or inessential position as far as possible.
The stud body 1 of the present embodiment is column type, and upper and lower circular end face is supporting surface, for supporting core, ensures the wall thickness of blast pipe; The outer peripheral face of this column type stud body 1 is the fusion face of itself and molten iron.Clamping space 2 is for being opened in the fusion Middle face of this column type stud body 1, the circumferential groove in its end portion of rectangular in cross-section, make this blast pipe core support side direction in " work " font (as shown in Figure 1), clamping space 2 can hold molten iron and after it solidifies, form the fixed structure of stud body 1 and foundry goods (blast pipe).
Preferably, the diameter of column type stud body 1 is 10mm, is highly 5mm, and the width in clamping space 2 is 3mm, and the degree of depth is 2.5mm.
In blast pipe casting cycle, come out of the stove from a large iron clad water, cast (being namely cast to completing of last part casting from initial workpiece) to blast pipe piecemeal, needed the regular hour; The foundry goods of casting above, because molten iron temperature is high, very well, there is not obscission in stud and molten iron fusion.
And the foundry goods of casting below, due to the reduction of molten iron temperature, stud and molten iron may fuse not fine, but due to the design feature of this stud, even if fuse bad, the molten iron that the clamping space of being somebody's turn to do " work " font blast pipe core support middle part can be cured " contains " very securely, in use can not come off.Thus ensure that the q&r of product.
To sum up, the support of this blast pipe core is " work " font, have at middle part and hold molten iron and after it solidifies, form fixing clamping space, this blast pipe core is made to support under the prerequisite ensureing blast pipe wall thickness, effectively can prevent stud and molten iron from merging bad and coming off, eliminate the hidden danger of quality that blast pipe is potential.Propose a kind of new blast pipe quality assurance theory: even if stud and molten iron merge be not fine, also can ensure that stud does not come off, ensure that the castability of blast pipe simultaneously.Break in the past thought stud and molten iron and 100% must fuse to obtain the idea of just not mass problem very well.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (4)
1. a blast pipe core support, is characterized in that, comprising:
Stud body, it is column type, and the circular end face up and down of this column type stud body is supporting surface, for supporting core; The outer peripheral face of this column type stud body is it and the fusion face of casting molten iron; And
Clamping space, it is the circumferential groove in its end portion of the fusion Middle face being opened in described stud body.
2. blast pipe core support according to claim 1, is characterized in that, this blast pipe core support side direction is in " work " font.
3. blast pipe core support according to claim 1, is characterized in that, the rectangular in cross-section in described clamping space.
4. blast pipe core support according to claim 3, it is characterized in that, the diameter of described column type stud body is 10mm, is highly 5mm, and the width in described rectangle clamping space is 3mm, and the degree of depth is 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486191.7A CN104259406A (en) | 2014-09-22 | 2014-09-22 | Sand core support for exhausting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486191.7A CN104259406A (en) | 2014-09-22 | 2014-09-22 | Sand core support for exhausting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104259406A true CN104259406A (en) | 2015-01-07 |
Family
ID=52151051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410486191.7A Pending CN104259406A (en) | 2014-09-22 | 2014-09-22 | Sand core support for exhausting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104259406A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772427A (en) * | 2015-04-11 | 2015-07-15 | 广西玉柴机器股份有限公司 | Suspended sand core bar support of cast core box and mounting method of suspended sand core bar support of cast core box |
| CN105215294A (en) * | 2015-09-29 | 2016-01-06 | 共享装备股份有限公司 | Stud |
| CN107225222A (en) * | 2017-07-13 | 2017-10-03 | 广西玉柴机器股份有限公司 | The main oil gallery casting stud of large-scale diesel engine |
| CN108380830A (en) * | 2018-05-31 | 2018-08-10 | 广西玉柴机器股份有限公司 | A kind of stud structure of large-scale diesel engine body sand core for casting |
| CN109261911A (en) * | 2018-12-07 | 2019-01-25 | 东风商用车有限公司 | Motor cylinder casting stud and its technique for applying, place combine core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201493451U (en) * | 2009-09-24 | 2010-06-02 | 上海宝钢铸造有限公司 | Adjustable core supporter |
| CN202087791U (en) * | 2011-05-13 | 2011-12-28 | 无锡德乾能源设备有限公司 | Cavity core support of sand box |
| CN202162350U (en) * | 2011-06-15 | 2012-03-14 | 青岛吉华铸造有限公司 | Sand-cast chaplet for self-hardening resin |
| CN202212541U (en) * | 2011-08-26 | 2012-05-09 | 东风汽车股份有限公司 | I-shaped chaplet on 4D cylinder body |
| CN204075094U (en) * | 2014-09-22 | 2015-01-07 | 广西玉柴机器股份有限公司 | Blast pipe core supports |
-
2014
- 2014-09-22 CN CN201410486191.7A patent/CN104259406A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201493451U (en) * | 2009-09-24 | 2010-06-02 | 上海宝钢铸造有限公司 | Adjustable core supporter |
| CN202087791U (en) * | 2011-05-13 | 2011-12-28 | 无锡德乾能源设备有限公司 | Cavity core support of sand box |
| CN202162350U (en) * | 2011-06-15 | 2012-03-14 | 青岛吉华铸造有限公司 | Sand-cast chaplet for self-hardening resin |
| CN202212541U (en) * | 2011-08-26 | 2012-05-09 | 东风汽车股份有限公司 | I-shaped chaplet on 4D cylinder body |
| CN204075094U (en) * | 2014-09-22 | 2015-01-07 | 广西玉柴机器股份有限公司 | Blast pipe core supports |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772427A (en) * | 2015-04-11 | 2015-07-15 | 广西玉柴机器股份有限公司 | Suspended sand core bar support of cast core box and mounting method of suspended sand core bar support of cast core box |
| CN105215294A (en) * | 2015-09-29 | 2016-01-06 | 共享装备股份有限公司 | Stud |
| CN105215294B (en) * | 2015-09-29 | 2018-02-16 | 共享装备股份有限公司 | Stud |
| CN107225222A (en) * | 2017-07-13 | 2017-10-03 | 广西玉柴机器股份有限公司 | The main oil gallery casting stud of large-scale diesel engine |
| CN108380830A (en) * | 2018-05-31 | 2018-08-10 | 广西玉柴机器股份有限公司 | A kind of stud structure of large-scale diesel engine body sand core for casting |
| CN109261911A (en) * | 2018-12-07 | 2019-01-25 | 东风商用车有限公司 | Motor cylinder casting stud and its technique for applying, place combine core |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |