CN110653344A - Pre-buried in extension positioning die assembly device of sand mould - Google Patents
Pre-buried in extension positioning die assembly device of sand mould Download PDFInfo
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- CN110653344A CN110653344A CN201911105237.5A CN201911105237A CN110653344A CN 110653344 A CN110653344 A CN 110653344A CN 201911105237 A CN201911105237 A CN 201911105237A CN 110653344 A CN110653344 A CN 110653344A
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- embedded
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- positioning sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/10—Guiding equipment
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- Casting Devices For Molds (AREA)
Abstract
The invention discloses a lengthened positioning and die assembling device pre-embedded in a sand mold, which comprises an upper sand box, a lower sand box and a lengthened positioning pin, wherein the upper sand box is provided with an upper core cavity, the lower sand box is provided with a lower core cavity corresponding to the upper core cavity, the upper core cavity and the lower core cavity jointly form a sand core cavity for containing a sand core, the upper sand box is provided with an upper pre-embedded positioning sleeve, the lower sand box is provided with a lower pre-embedded positioning sleeve corresponding to the upper pre-embedded positioning sleeve, the lower end of the lengthened positioning pin is inserted into the lower pre-embedded positioning sleeve, and the upper end of the lengthened positioning pin is inserted into the upper pre-embedded positioning sleeve. The invention can realize the mould assembling between the upper sand mould and the lower sand mould quickly and accurately, is suitable for the sand moulds with different contour sizes and is not limited by the specification and the size precision of the sand box.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a lengthened positioning mold closing device pre-embedded in a sand mold.
Background
Resin sand molding is generally performed by dividing a pattern into two or more halves, thereby forming two or more sand molds. In order to ensure the dimensional accuracy of castings and improve the production efficiency, the sand mold needs to be positioned by means of a guide pin and a guide sleeve when the sand mold is assembled, the sand mold guide pin and the inner mold guide pin are generally two types, the sand mold guide pin is a pin seat made on a matched sand mold, and two sand molds or a plurality of sand molds are positioned by a plug pin; the inner guide pin is formed by making a pin seat on a template by a pattern, forming a pin seat cavity after modeling, and then using a positioning pin to position two or more types of guide pins.
However, the guide pin of the sand box needs to be positioned by the pin seat on the sand box, the requirement on dimensional accuracy is strict, the manufacturing cost of the sand box is high, and the sand box with a large outline size can be deformed or collided in the using process to influence the positioning dimension of the pin seat, so that the accurate positioning cannot be realized during the mould assembling; guide pin location is on the template with the preparation of key seat mould appearance and install in the mould just need of preparation mould appearance, need make the not positioning seat of equidimension according to the size of mould appearance, especially need great positioning seat to the big mould appearance of height, otherwise the high mould operation of mould assembling of being not convenient for inadequately of location, and the big positioning seat of every mould appearance preparation, can increase mould cost of manufacture, great location seat mould can occupy great template space, and mould management in the later stage is inconvenient, if the location mould has the damage or can influence final location mould assembling progress, seriously influence foundry goods size precision.
Disclosure of Invention
In order to enable a sand mould assembling box not to be limited by the outline size of a sand mould, the specification of the sand box and the size precision, the invention provides an elongated positioning mould assembling device pre-embedded in the sand mould.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a pre-buried extension positioning die assembly in sand mould, its includes cope flask sand mould, lower flask sand mould and extension locating pin, the cope flask sand mould is equipped with the core chamber, be equipped with the lower core chamber corresponding with the core chamber on the lower flask sand mould, the core chamber constitutes the psammitolite chamber that is used for holding the psammitolite jointly with lower core chamber, be provided with pre-buried position sleeve on the cope flask sand mould, be provided with the lower pre-buried position sleeve that corresponds with last pre-buried position sleeve on the lower flask sand mould, the lower extreme of extension locating pin inserts down in the pre-buried position sleeve, the upper end of extension locating pin inserts in the pre-buried position sleeve, the upper end of going up pre-buried position sleeve and the lower extreme of pre-buried position sleeve all are provided with the closing plate, be provided with the strengthening rib on the outer wall of going.
Preferably, the elongated positioning pin is composed of a positioning portion located at the middle position of the elongated positioning pin and guide portions located at both ends of the elongated positioning pin, the positioning portion being of a cylindrical structure.
Preferably, the length of the upper embedded positioning sleeve is greater than that of the lower embedded positioning sleeve.
Preferably, the outer side surface of the guide part is of a conical surface structure.
Preferably, the distance between the outer wall of the positioning part and the inner wall of the upper embedded positioning sleeve is smaller than the distance between the outer wall of the guiding part and the inner wall of the upper embedded positioning sleeve.
Preferably, the distance between the outer wall of the positioning part and the inner wall of the lower embedded positioning sleeve is smaller than the distance between the outer wall of the guide part and the inner wall of the lower embedded positioning sleeve.
Preferably, the outer wall of the positioning part is attached to the inner walls of the upper embedded positioning sleeve and the lower embedded positioning sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. when the upper box sand mold and the lower box sand mold need to be combined, the lower pre-embedded positioning sleeve is pre-embedded in the lower box sand mold during molding, the upper pre-embedded positioning sleeve is pre-embedded in the upper box sand mold during molding, the lengthened positioning pin is placed in the lower pre-embedded positioning sleeve during combining, and the upper box sand mold aligns to and guides the lower box sand mold through the lengthened positioning pin pre-embedded in the upper box sand mold, so that combining between the upper box sand mold and the lower box sand mold is realized quickly and accurately.
2. The lengthened positioning pin is composed of a positioning part and a guide part, the positioning part is located in the middle of the lengthened positioning pin, the guide part is located at two ends of the lengthened positioning pin, the positioning part is of a cylindrical structure, the outer side surface of the guide part is of a conical surface structure, so that the upper end and the lower end of the lengthened positioning pin can be conveniently inserted into the upper embedded positioning sleeve and the lower embedded positioning sleeve respectively, the guide part of the lengthened positioning pin can be guaranteed to play a good guiding role when an upper box sand mold and a lower box sand mold are combined, and meanwhile, the positioning part on the lengthened positioning pin can be stably located in the upper embedded positioning sleeve and the lower embedded positioning sleeve.
Drawings
FIG. 1 is a schematic view of the installation of a lengthened positioning pin and upper and lower pre-buried positioning sleeves in the embodiment of the invention;
FIG. 2 is a schematic diagram of an upper sand box and a lower sand box separated in an embodiment of the invention;
FIG. 3 is a schematic diagram of an upper sand box and a lower sand box in a mould assembling state in the embodiment of the invention;
in the figure, 1, an upper box sand mold, 2, a lower box sand mold, 3, a lengthened positioning pin, 4, an upper core cavity, 5, a lower core cavity, 6, a sand core, 7, an upper embedded positioning sleeve, 8, a lower embedded positioning sleeve, 9, a sealing plate, 10, a reinforcing rib, 11, positioning parts, 12 and a guide part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a lengthening positioning mold closing device pre-embedded in a sand mold comprises an upper sand box 1, a lower sand box 2 and a lengthening positioning pin 3, the upper sand box 1 is provided with an upper core cavity 4, the lower sand box 2 is provided with a lower core cavity 5 corresponding to the upper core cavity 4, the upper core cavity 4 and the lower core cavity 5 jointly form a sand core cavity for containing a sand core 6, an upper embedded positioning sleeve 7 is arranged on the upper box sand mould 1, the lower box sand mold 2 is provided with a lower embedded positioning sleeve 8 corresponding to the upper embedded positioning sleeve 7, the lower end of the lengthened positioning pin 3 is inserted into the lower pre-buried positioning sleeve 8, the upper end of the lengthened positioning pin 3 is inserted into the upper pre-buried positioning sleeve 7, the upper end of the upper embedded positioning sleeve 7 and the lower end of the lower embedded positioning sleeve 8 are both provided with a sealing plate 9, and reinforcing ribs 10 are arranged on the outer walls of the upper embedded positioning sleeve 7 and the lower embedded positioning sleeve 8.
The lengthened positioning pin 3 is composed of a positioning part 11 and a guide part 12, the positioning part 11 is located in the middle of the lengthened positioning pin 3, the guide part 12 is located at two ends of the lengthened positioning pin 3, the positioning part 11 is of a cylindrical structure, the length of the upper embedded positioning sleeve 7 is larger than that of the lower embedded positioning sleeve 8, the outer side surface of the guide part 12 is of a conical surface structure, the distance between the outer wall of the positioning part 11 and the inner wall of the upper embedded positioning sleeve 7 is smaller than that between the outer wall of the guide part 12 and the inner wall of the upper embedded positioning sleeve 7, the distance between the outer wall of the positioning part 11 and the inner wall of the lower embedded positioning sleeve 8 is smaller than that between the outer wall of the guide part 12 and the inner wall of the lower embedded positioning sleeve 8, and the best mode: the outer wall of the positioning part 11 is attached to the inner walls of the upper embedded positioning sleeve 7 and the lower embedded positioning sleeve 8.
When the upper box sand mold 1 and the lower box sand mold 2 need to be combined, the lower embedded positioning sleeve 8 is embedded in the lower box sand mold 2 during molding, the upper embedded positioning sleeve 7 is embedded in the upper box sand mold 1 during molding, the lengthened positioning pin 3 is placed in the lower embedded positioning sleeve 8 during combining, and the upper box sand mold 1 aligns and guides the lower box sand mold 2 through the lengthened positioning pin 3 embedded in the upper box sand mold 1, so that the combining between the upper box sand mold 1 and the lower box sand mold 2 is realized quickly and accurately, and the combined box is suitable for sand molds with different contour sizes and is not limited by the specifications and the size precision of sand boxes; the lengthened positioning pin 3 is composed of a positioning part 11 and a guide part 12, the positioning part 11 is located in the middle of the lengthened positioning pin 3, the guide part 12 is located at two ends of the lengthened positioning pin 3, the positioning part 11 is of a cylindrical structure, the outer side surface of the guide part 12 is of a conical surface structure, so that the upper end and the lower end of the lengthened positioning pin 3 can be conveniently inserted into the upper embedded positioning sleeve 7 and the lower embedded positioning sleeve 8 respectively, the guide part 12 of the lengthened positioning pin 3 can be guaranteed to play a good guiding role when the upper box sand mold 1 and the lower box sand mold 2 are combined, meanwhile, the upper positioning part 11 of the lengthened positioning pin 3 can be stably located in the upper embedded positioning sleeve 7 and the lower embedded positioning sleeve 8 and cannot swing randomly, and the stability between the upper box sand mold 1 and.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a pre-buried extension positioning die assembly device in sand mould which characterized in that: the upper box sand mold is provided with an upper core cavity, the lower box sand mold is provided with a lower core cavity corresponding to the upper core cavity, the upper core cavity and the lower core cavity jointly form a sand core cavity for containing sand cores, an upper pre-embedded positioning sleeve is arranged on the upper box sand mold, a lower pre-embedded positioning sleeve corresponding to the upper pre-embedded positioning sleeve is arranged on the lower box sand mold, the lower end of the lengthened positioning pin is inserted into the lower pre-embedded positioning sleeve, the upper end of the lengthened positioning pin is inserted into the upper pre-embedded positioning sleeve, the upper end of the upper pre-embedded positioning sleeve and the lower end of the lower pre-embedded positioning sleeve are both provided with sealing plates, and reinforcing ribs are arranged on the outer walls of the upper pre-embedded positioning sleeve and the lower pre-embedded positioning sleeve.
2. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 1, characterized in that: the lengthened positioning pin is composed of a positioning part and guide parts, the positioning part is located in the middle of the lengthened positioning pin, the guide parts are located at two ends of the lengthened positioning pin, and the positioning part is of a cylindrical structure.
3. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 2, characterized in that: the length of the upper embedded positioning sleeve is greater than that of the lower embedded positioning sleeve.
4. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 3, characterized in that: the outer side surface of the guide part is of a conical surface structure.
5. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 4, characterized in that: and the distance between the outer wall of the positioning part and the inner wall of the upper embedded positioning sleeve is smaller than the distance between the outer wall of the guide part and the inner wall of the upper embedded positioning sleeve.
6. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 5, characterized in that: and the distance between the outer wall of the positioning part and the inner wall of the lower embedded positioning sleeve is smaller than the distance between the outer wall of the guide part and the inner wall of the lower embedded positioning sleeve.
7. The lengthening positioning mold closing device pre-embedded in a sand mold according to claim 6, characterized in that: and the outer wall of the positioning part is attached to the inner walls of the upper embedded positioning sleeve and the lower embedded positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105237.5A CN110653344A (en) | 2019-11-13 | 2019-11-13 | Pre-buried in extension positioning die assembly device of sand mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105237.5A CN110653344A (en) | 2019-11-13 | 2019-11-13 | Pre-buried in extension positioning die assembly device of sand mould |
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| CN110653344A true CN110653344A (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911105237.5A Pending CN110653344A (en) | 2019-11-13 | 2019-11-13 | Pre-buried in extension positioning die assembly device of sand mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756558A (en) * | 2020-12-18 | 2021-05-07 | 共赢装备制造有限公司 | Novel resin sand core positioning method |
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| US2499146A (en) * | 1946-01-24 | 1950-02-28 | Ernest T Kindt | Dowel pin |
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| CN202291308U (en) * | 2011-10-28 | 2012-07-04 | 天津市立鑫晟精细铸造有限公司 | Positioning device for sand mould of self-hardening sand |
| CN202877494U (en) * | 2012-10-31 | 2013-04-17 | 林州重机铸锻有限公司 | Die closing location and detection device |
| CN203197211U (en) * | 2013-04-22 | 2013-09-18 | 太仓林飞铸造有限公司 | Inner locating pin device capable of locating accurately |
| CN203245341U (en) * | 2013-04-11 | 2013-10-23 | 湖北三江航天万峰科技发展有限公司 | Split type sand box positioning device used for precise sand mold casting |
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| CN105414480A (en) * | 2015-11-25 | 2016-03-23 | 荣昌县金益铸业有限公司 | Flexible positioning method for casting mould |
| CN205571355U (en) * | 2016-03-23 | 2016-09-14 | 安徽三联泵业股份有限公司 | Be used for figurative toper fast -Positioning structure of sand mould |
| CN205763706U (en) * | 2016-06-28 | 2016-12-07 | 扬州峰明金属制品有限公司 | Sandbox mould assembly simple and fast positioner |
| CN107774902A (en) * | 2016-08-25 | 2018-03-09 | 青岛润成车辆配件有限公司 | A kind of high-precision sand casting wooden model positioner |
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| CN207735546U (en) * | 2017-12-29 | 2018-08-17 | 阜新宏顺机械有限公司 | Sand casting positioning tool |
| CN108746513A (en) * | 2018-07-19 | 2018-11-06 | 溧阳市联华机械制造有限公司 | A kind of thin and tall mold casting mould assembling positioning pin |
| CN108746512A (en) * | 2018-07-19 | 2018-11-06 | 溧阳市联华机械制造有限公司 | A kind of casting mould assembling dowel device with magnet |
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2019
- 2019-11-13 CN CN201911105237.5A patent/CN110653344A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US2499146A (en) * | 1946-01-24 | 1950-02-28 | Ernest T Kindt | Dowel pin |
| JPS5216243Y2 (en) * | 1974-06-08 | 1977-04-12 | ||
| CN202291308U (en) * | 2011-10-28 | 2012-07-04 | 天津市立鑫晟精细铸造有限公司 | Positioning device for sand mould of self-hardening sand |
| CN202877494U (en) * | 2012-10-31 | 2013-04-17 | 林州重机铸锻有限公司 | Die closing location and detection device |
| CN203245341U (en) * | 2013-04-11 | 2013-10-23 | 湖北三江航天万峰科技发展有限公司 | Split type sand box positioning device used for precise sand mold casting |
| CN203197211U (en) * | 2013-04-22 | 2013-09-18 | 太仓林飞铸造有限公司 | Inner locating pin device capable of locating accurately |
| CN203817279U (en) * | 2014-05-04 | 2014-09-10 | 慈溪市汇丽机电有限公司 | In-sand-mold positioning device |
| CN105414480A (en) * | 2015-11-25 | 2016-03-23 | 荣昌县金益铸业有限公司 | Flexible positioning method for casting mould |
| CN205571355U (en) * | 2016-03-23 | 2016-09-14 | 安徽三联泵业股份有限公司 | Be used for figurative toper fast -Positioning structure of sand mould |
| CN205763706U (en) * | 2016-06-28 | 2016-12-07 | 扬州峰明金属制品有限公司 | Sandbox mould assembly simple and fast positioner |
| CN107774902A (en) * | 2016-08-25 | 2018-03-09 | 青岛润成车辆配件有限公司 | A kind of high-precision sand casting wooden model positioner |
| CN207267036U (en) * | 2017-10-09 | 2018-04-24 | 甘肃酒钢集团西部重工股份有限公司 | A kind of self-hardening sand casts flask-closing positioner |
| CN207735546U (en) * | 2017-12-29 | 2018-08-17 | 阜新宏顺机械有限公司 | Sand casting positioning tool |
| CN108746513A (en) * | 2018-07-19 | 2018-11-06 | 溧阳市联华机械制造有限公司 | A kind of thin and tall mold casting mould assembling positioning pin |
| CN108746512A (en) * | 2018-07-19 | 2018-11-06 | 溧阳市联华机械制造有限公司 | A kind of casting mould assembling dowel device with magnet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756558A (en) * | 2020-12-18 | 2021-05-07 | 共赢装备制造有限公司 | Novel resin sand core positioning method |
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Application publication date: 20200107 |
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