CN105215294B - Stud - Google Patents
Stud Download PDFInfo
- Publication number
- CN105215294B CN105215294B CN201510630988.4A CN201510630988A CN105215294B CN 105215294 B CN105215294 B CN 105215294B CN 201510630988 A CN201510630988 A CN 201510630988A CN 105215294 B CN105215294 B CN 105215294B
- Authority
- CN
- China
- Prior art keywords
- stud
- main part
- stem
- base
- stud according
- 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.)
- Active
Links
Landscapes
- Connection Of Plates (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention provides a kind of stud, and it includes：Stem, a pair of bases and connector；Stem includes the first end and the second end being oppositely arranged；A pair of bases are detachably connectable to first end and the second end respectively；Connector is fixedly attached to the first end of stem.It is an object of the invention to provide the stud of adjustable for height modularization.Present invention also offers a kind of casting method being embedded in the step of overall modelling before mould assembling step above-mentioned stud in the positioning hole of mould.
Description
Technical field
Present invention relates in general to casting field, a kind of particularly stud.
Background technology
Casting industry is more using the Modeling Material that extensive, cost is cheap, has collapsibility of drawing materials, and these Modeling Materials are due to it
The reason for intensity itself, it can not ensure that there is the stability of the Temperature Size of cantilever design core；Or because of product structure in itself
The reason for, the stability of casting dimension can not be ensured using core its structural design, all has to use in the case of these
Stud stablizes core.
With the continuous lifting of casting product quality requirement, casting leakage test has turned into a base of casting quality requirement
This index.Stud is in addition to higher support strength, it is necessary to has the good ability with the fusion of casting body.At present
Situation be, have higher-strength material its fuse poor-performing, this is a physics contradiction, it is necessary to the structure for passing through stud
Design to be improved.
The stud typically used is mostly single material, it is difficult to it is good to meet that some had both needed high temperature compression strength, and can
The seepage for preventing casting, and high-end product has certain limitations to stud quantity, and single material stud is more difficult to meet to require.
In addition, casting stud is used in casting mould assembling process, it is necessary to which operating personnel pass through stud in mould assembling more at present
The mode of rivet hammers into core and is fixed, and adds mould assembling activity time.And for the special heavy castings of some structures, when
Need when mo(u)ld top half blind rivet supports, operator needs to stand under external form of the weight more than 10 tons, and upward sprig enters stud, and operation is tired
Difficulty, and potential safety hazard be present.
When product category is more or a casting on need to use the stud of plurality of specifications size when, the use of stud can pair
Organization of production and cost control produce large effect.Excessive specification can increase the difficulty of organization of production, cause scene
Production operation inconvenience, or even cause confusion, and add production cost to a certain degree, therefore need also exist for examining during using stud
Consider organization of production problem.
The content of the invention
For problem present in correlation technique, it is an object of the invention to provide the stud of adjustable for height modularization.
To achieve the above object, an aspect of of the present present invention provides a kind of stud, it is characterised in that including：Stem, including
The first end and the second end being oppositely arranged；A pair of bases, are detachably connectable to first end and the second end respectively；Even
Fitting, it is fixedly attached to the first end of stem.
According to the present invention, base includes main part and raised lug boss on the side of main part, lug boss are provided with
The groove being threadably connected with first end and the second end.
According to the present invention, first end is connected with the second end by interlude, and first end and the second end difference
It is configured to be configured to the constant post of cross-sectional area along the first tapered taper of the direction cross-sectional area away from interlude, interlude
Shape body.
According to the present invention, groove is configured to along cumulative the second taper of direction cross-sectional area away from main part, and first
Taper is identical with the second tapered form and size.
According to the present invention, the outer surface of first end and the second end is respectively arranged with external screw thread, the groove of base it is interior
Surface is provided with the internal thread being engaged with external screw thread.
According to the present invention, external screw thread and internal thread are respectively configured to pipe screw thread, and the two forms two-way pipe screw thread.
According to the present invention, the main part of base is configured to disc-shaped structure, along the circle of disc-shaped structure on main part
Circumferential direction is provided with the molten hole of multiple rush, is provided with least one rush fuse piece in the side wall of lug boss, promotees fuse piece in disc-shaped structure
Orthographic projection in the plane be located at the inside of disc-shaped structure.
According to the present invention, stem is made up of carbon steel or steel alloy, and base is made up of gray iron, spheroidal graphite cast-iron or cast steel.
According to the present invention, first end is provided with blind hole, and connector is connected in blind hole in an interference fit, with
The main part of the base of one end connection is provided with the through hole passed through for connector.
According to the present invention, connector includes rivet or hanging sand bar.
According to the present invention, the height of stem is 30-60mm, a diameter of 35- of the main part of the disc-shaped structure of base
50mm。
Another aspect of the present invention also provides a kind of casting method, and moulding of the above-mentioned stud before mould assembling step is walked
It is embedded in rapid in the positioning hole of mould.
The advantageous effects of the present invention are：
A pair of the bases of stud and two ends of stem of the present invention are detachably connected, and in an end of stem
Connector is connected with, realizes the modularization of base and stem, the base of same size can combine with adjustable for height stem,
To solve the chaotic defect that the stud of plurality of specifications is used for identical product, the interchangeability and service efficiency of stud are improved.It is in addition, logical
The two-way pipe screw thread for crossing base and stem is assembled, and stud is had good leak resistance in itself.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of one embodiment of the stud of the present invention.
Fig. 2 is the diagrammatic cross-section of another embodiment of the stud of the present invention.
Fig. 3 is the profile of the base of the stud of the present invention.
Fig. 4 is the schematic diagram of the main part of one embodiment of the base of the stud of the present invention.
Fig. 5 is the schematic diagram of the stem of the stud of the present invention.
Embodiment
Embodiments of the invention are described in detail referring now to accompanying drawing.
Referring to Figures 1 and 2, stud of the invention includes：Stem 3 and a pair of the bases 4 being connected with stem 3 and it is fixedly connected
To the connector 1 of stem 3.Stem 3 includes the first end 31 and the second end 32 being oppositely arranged.A pair of bases 4 are distinguished removable
It is connected to first end 31 and the second end 32 with unloading.Therefore, stud of the invention realizes the modularization of base 4 and stem 3,
The base 4 of same size can combine with adjustable for height stem 3, be used for the mixed of identical product to solve the stud of plurality of specifications
Random defect, improve the interchangeability and service efficiency of stud.
Reference picture 1-3, base 4 include main part 41 and raised lug boss 2 on the side of main part 41, lug boss 2
The groove 22 being threadably connected with first end 31 and the second end 32 is provided with, makes stud that there is good leakproof in itself
Performance.In other alternative-embodiments, first end 31 and the second end 32 can be connected with inserting mode with groove 22, i.e. core
The first end 31 and the second end 32 of post 3 are inserted respectively into groove 22, and for example, by the mode and groove of interference fit
22 are fixed up, will not base 4 split away off from stem 3.
Reference picture 5, first end 31 and the second end 32 are connected by interlude 33, and first end 31 and the second end
32 are respectively configured to be configured to cross section along the first tapered taper of the direction cross-sectional area away from interlude 33, interlude 33
The constant column of product.That is, stem 3 is configured to thin ends and thick middle fusiformis structure, the everywhere of interlude 33 is transversal
The shape and area in face are all equal, the outer surface of interlude 33 be not present it is raised or sunken, such as in the absence of fuse piece is promoted, to reduce
Stem 3 makes stem 3 have relatively high elevated temperature strength in molten iron relative to the surface area of base 4.Preferably, the first taper is
Cone, column are cylinder, and the diameter of the interlude 33 of column is more than the area of first end 31 and the second end 32
The diameter of maximum cross section, respectively to form a step surface between interlude 33 and first end 31 and the second end 32,
The step surface is in contact cooperation with the top surface of the projection 2 of base 4.So as to improve the leak resistance of stud in itself.It is further excellent
Selection of land, first end 31 and the second end 32 are coaxially disposed with interlude 33, and stem is bilateral symmetry, while are also upper and lower
Symmetrical structure, to be convenient to the assembling with base 4.
Further, reference picture 3, groove 22 are configured to along the second cumulative cone of the direction cross-sectional area away from main part 41
Shape, the first taper are identical with the second tapered form and size.With the first taper preferably cone correspondingly, the second taper
It is preferably conical, and the first taper is also equal with the volume of the second taper, so as to when the stem 3 for being configured to the first taper
It can be fitted together perfectly when end is contained in the groove 22 of the second taper, between them, further improve the leak resistance of stud.
It is further preferred that the outer surface of reference picture 3 and Fig. 5, first end 31 and the second end 32 is respectively arranged with outside
Screw thread, the inner surface setting of the groove 22 of base 4 have the internal thread being engaged with external screw thread.External screw thread and internal thread preferably structure
Pipe screw thread in opposite direction is caused, such stud integrally contains the opposite pipe screw thread of both direction, improves stud in itself
Sealing property.Further, coordinate the combination of stud very convenient by the screw thread of base 4 and stem 3, and Up/down base can
As thinking, avoid anti-loaded do over again.
Reference picture 3-4, the main part 41 of base 4 is configured to disc-shaped structure, along disc-shaped structure on main part 41
Circumferencial direction be provided with it is multiple promote molten hole 6, at least one rush fuse piece 5 is provided with the side wall of lug boss 2, promotees fuse piece 5 in circle
Disk-shaped structure orthographic projection in the plane be located at the inside of disc-shaped structure.In the embodiment show in figure 4, it is excellent to promote molten hole 6
Selection of land is arranged to 8, and this 8 promote molten hole and are circumferentially uniformly distributed around the center of disc-shaped structure；And promote molten hole 6
Diameter be preferably 4-6mm.In the embodiment shown in fig. 3, promote that fuse piece 5 is arranged to one and its shape design is and main body
The similar disc-shaped structure in portion 41, but the area for promoting the disc-shaped structure of fuse piece 5 is less than the disc-shaped structure of main part 41
Area so that promote fuse piece 5 the disc-shaped structure of main part 41 orthographic projection in the plane be located at the disc-shaped structure of main part 41
Inside.Promote the structure that fuse piece 5 is configured to be gradually reduced along the direction thickness away from lug boss 2, its thickness is preferably 1-
2mm, in order to promote fuse piece 5 can in high temperature liquid iron rapid melting, improve the fusion ability of stud and casting body, prevent from casting
Seepage occurs for part.
In addition, the first end 31 of the present invention and the shape of the second end 32 are not limited to cone, the shape of interlude 33
Cylinder is not limited to, the shape of main part 41 is also not necessarily limited to disc, and other shapes for being suitable for casting all can be used for its preferred
Embodiment in.
Preferably, stem 3 is made up of carbon steel or steel alloy, or has the metal material of higher elevated temperature strength by other
It is made；Base 4 is made up of gray iron, spheroidal graphite cast-iron or cast steel, or by other there is the metal material compared with low melting point to be made.So as to
Stem 3 is using the metal material and base 4 of higher elevated temperature strength using the metal material consistent with casting body compared with low melting point
Material, the good fusion with casting body was both ensure that, and in turn ensure that stud had enough high-temperature support intensity, and then ensure casting
Part dimensionally stable, the fusion ability of stud and casting body is further improved, prevent casting from seepage occurs.
Reference picture 1-2 and 4-5, first end 31 are provided with blind hole 8, and connector 1 is connected to blind in an interference fit
In hole 8, the main part 41 for the base 4 being connected with first end 31 is provided with the through hole 7 passed through for connector 1.Specifically, it is blind
The tolerance range in hole 8 is less than the tolerance range of connector 1, and connector 1 is embedded in blind hole 8, and the depth of blind hole is not more than 3mm,
But within the diameter of through hole 7 is bigger 1mm than the diameter of connector 1 so that connector 1 passes through through hole 7 in a manner of gap coordinates.
Reference picture 1-2, connector includes rivet or hanging sand bar, or other convenient connectors being connected with core, to obtain
Accurate positioning is obtained, reduces the mould assembling time, reduces the effect of potential safety hazard.
Preferably, the height of stem 3 is 30-60mm, a diameter of 35- of the main part 41 of the disc-shaped structure of base 4
50mm.So as to by the cooperation of base and different height stem, realize the height adjustable of stud, adapt to different-thickness and different chis
The use of very little casting.
According to another aspect of the present invention, a kind of casting method is additionally provided, i.e., is being closed the stud in above-described embodiment
It is embedded in step of overall modelling before case step in the positioning hole of mould.That is, when needing pre-buried stud, can be in moulding
Stud is put into the positioning hole of mould by Shi Tiqian, will be not easy to place the situation of stud in mould assembling, is transferred in moulding,
Stud need not be operated during mould assembling, stud position is accurate, reliable, reduces mould assembling activity time, reduces heavy castings nail
The potential safety hazard that stud is brought.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. stud, it is characterised in that including：Stem, including the first end and the second end being oppositely arranged；The first end and the second end are by interlude Connection, and the first end and the second end are configured to along the direction cross-sectional area away from the interlude respectively The first tapered taper, the interlude are configured to the constant column of cross-sectional area；A pair of bases, are detachably connectable to the first end and the second end respectively, and the base includes main part With lug boss raised on the side of the main part, the lug boss is provided with and the first end and second end The groove that portion threadably connects；Connector, it is fixedly attached to the first end of the stem.
- 2. stud according to claim 1, it is characterised in that the groove is configured to along the side away from the main part Second taper cumulative to cross-sectional area, first taper are identical with second tapered form and size.
- 3. stud according to claim 1, it is characterised in that the outer surface of the first end and the second end point External screw thread is not provided with, and the inner surface setting of the groove of the base has the internal thread being engaged with the external screw thread.
- 4. stud according to claim 3, it is characterised in that the external screw thread and the internal thread are respectively configured to pipe spiral shell Line.
- 5. stud according to claim 1, it is characterised in that the main part of the base is configured to disc-shaped structure, The circumferencial direction of the disc-shaped structure is provided with the molten hole of multiple rush on the main part, set in the side wall of the lug boss Be equipped with least one rush fuse piece, it is described promote fuse piece the disc-shaped structure orthographic projection in the plane be located at the disc The inside of structure.
- 6. stud according to claim 1 or 5, it is characterised in that the stem is made up of carbon steel or steel alloy, described Base is made up of gray iron, spheroidal graphite cast-iron or cast steel.
- 7. stud according to claim 1, it is characterised in that the first end is provided with blind hole, the connector with The mode of interference fit is connected in the blind hole, and the main part for the base being connected with the first end is provided with for institute State the through hole that connector passes through.
- 8. stud according to claim 7, it is characterised in that the connector includes rivet or hanging sand bar.
- 9. stud according to claim 5, it is characterised in that the height of the stem is 30-60mm, the circle of the base A diameter of 35-50mm of the main part of disk-shaped structure.
- 10. a kind of casting method, it is characterised in that walk the stud described in any one in the claims 1-9 in mould assembling It is embedded in step of overall modelling before rapid in the positioning hole of mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630988.4A CN105215294B (en) | 2015-09-29 | 2015-09-29 | Stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630988.4A CN105215294B (en) | 2015-09-29 | 2015-09-29 | Stud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105215294A CN105215294A (en) | 2016-01-06 |
| CN105215294B true CN105215294B (en) | 2018-02-16 |
Family
ID=54984748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510630988.4A Active CN105215294B (en) | 2015-09-29 | 2015-09-29 | Stud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105215294B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618687B (en) * | 2016-03-01 | 2018-03-27 | 共享装备股份有限公司 | The manufacture method of stud and stud |
| CN107414035A (en) * | 2016-12-31 | 2017-12-01 | 高州市金松铸造有限公司 | A kind of molding sand spring stud |
| CN107052271A (en) * | 2016-12-31 | 2017-08-18 | 高州市金松铸造有限公司 | Molding sand elasticity stud |
| CN106734944B (en) * | 2017-03-29 | 2019-01-08 | 共享装备股份有限公司 | Combined type stud |
| CN108480567B (en) * | 2018-06-04 | 2023-11-07 | 广西玉柴机器股份有限公司 | Core skeleton support with step shape and use method thereof |
| CN109290529B (en) * | 2018-12-07 | 2024-07-09 | 东风商用车有限公司 | Positioning chaplet for casting and application process thereof, and combined core |
| CN109261911A (en) * | 2018-12-07 | 2019-01-25 | 东风商用车有限公司 | Core support for casting engine cylinder block, application process thereof and combined core |
| CN109277538A (en) * | 2018-12-07 | 2019-01-29 | 东风商用车有限公司 | Fusible chaplet for thin-wall iron casting, application method and combined core |
| CN110227791B (en) * | 2019-06-25 | 2024-02-09 | 浙江汇聚自动化设备有限公司 | Penetrating nail guiding structure of straight pipe rivet |
| CN111730031B (en) * | 2020-06-27 | 2022-05-10 | 共享装备股份有限公司 | Rear-mounted height-adjustable chaplet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310006A1 (en) * | 1983-03-19 | 1984-09-20 | Karl Schmidt Fabrik für Gießereibedarf GmbH & Co, 6384 Schmitten | Core support for foundry practice |
| CN201950170U (en) * | 2010-12-21 | 2011-08-31 | 宁夏共享集团有限责任公司 | Leakproof chaplet |
| CN202143936U (en) * | 2011-05-30 | 2012-02-15 | 日月重工股份有限公司 | Positioning device for casting large punching cylinder castings |
| 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 |
| CN104259406A (en) * | 2014-09-22 | 2015-01-07 | 广西玉柴机器股份有限公司 | Sand core support for exhausting pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202212540U (en) * | 2011-08-19 | 2012-05-09 | 东风汽车股份有限公司 | Special core support for sand box for large engine cylinder body |
| CN204122696U (en) * | 2014-10-24 | 2015-01-28 | 江苏武蕾机械有限公司 | Anhydrous vexed hole single cylinder diesel cylinder cap casts core used |
-
2015
- 2015-09-29 CN CN201510630988.4A patent/CN105215294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310006A1 (en) * | 1983-03-19 | 1984-09-20 | Karl Schmidt Fabrik für Gießereibedarf GmbH & Co, 6384 Schmitten | Core support for foundry practice |
| CN201950170U (en) * | 2010-12-21 | 2011-08-31 | 宁夏共享集团有限责任公司 | Leakproof chaplet |
| CN202143936U (en) * | 2011-05-30 | 2012-02-15 | 日月重工股份有限公司 | Positioning device for casting large punching cylinder castings |
| 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 |
| CN104259406A (en) * | 2014-09-22 | 2015-01-07 | 广西玉柴机器股份有限公司 | Sand core support for exhausting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105215294A (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105215294B (en) | Stud | |
| CN206779390U (en) | A kind of fixation frock between sand mold and core | |
| CN206175397U (en) | Buckle locking mechanism | |
| CN106475523A (en) | Feed system | |
| CN203695877U (en) | Slender hole sand core forming structure of casting | |
| CN203360515U (en) | Cemented steel cylindrical hole bearing ring quenching assembling die | |
| CN106077526A (en) | The using method of guide-localization case cone assembly and guide-localization case cone | |
| CN207255474U (en) | Laser coaxial blowning installation | |
| CN205772831U (en) | A kind of travelling crane hook gib head rotational locking device | |
| CN104128565B (en) | The general cup of split dissection type that the cast of a kind of titanium alloy uses | |
| CN104595364A (en) | Three-roller-path slewing bearing with stepped bonding seam between upper ring and lower ring | |
| CN209395129U (en) | A kind of eccentric reducing pipe shaping mould | |
| CN109665444B (en) | Method for vertically aligning internal member and shell of water-cooled wall of dry coal powder water-cooled wall gasifier | |
| CN107470568A (en) | A kind of casting mold apparatus used in casting device | |
| CN202865748U (en) | Bridge temporary supporting seat | |
| US1165025A (en) | Mold. | |
| CN206802104U (en) | A kind of polygon angle flange disk | |
| JPH0343221Y2 (en) | ||
| CN204805275U (en) | Bolt convenient to dismouting | |
| CN105436375B (en) | It is a kind of can be achieved in the long continuous upsetting double end of bar upsetting device and method | |
| CN203221308U (en) | Part locating device for welding and convenient to assemble and disassemble | |
| CN207973390U (en) | It is a kind of to make the lifting device for replacing vertical mill cardan axis | |
| CN206208016U (en) | A kind of intermediate frequency furnace fire door brick structure | |
| CN209349845U (en) | A kind of water-cooling wall internals load-bearing tooling for water-cooling wall internals and shell centering | |
| CN209115533U (en) | A kind of single-row circular cone roller bearing adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |