CN109773125B - Convenient-to-use die - Google Patents
Convenient-to-use die Download PDFInfo
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- CN109773125B CN109773125B CN201910093690.2A CN201910093690A CN109773125B CN 109773125 B CN109773125 B CN 109773125B CN 201910093690 A CN201910093690 A CN 201910093690A CN 109773125 B CN109773125 B CN 109773125B
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Abstract
The invention discloses a convenient-to-use die which comprises a die body, a loam core, a filtering piece for filtering slag and a main riser part for forming a main riser on molding sand, wherein the die body is provided with a molding convex part, a pouring channel connected with the molding convex part, an extrusion part for forming a cavity in the molding sand and a connecting hole arranged on the die body, the main riser part comprises a plurality of positioning sleeves and molding pipes, the positioning sleeves and the molding pipes are sleeved on the extrusion convex part, and the positioning sleeves and the molding pipes are connected through a connecting rod. According to the invention, by arranging the positioning sleeve and the forming pipe, after liquid flows in from the main riser, the liquid can simultaneously reach each cavity through the pouring channel, and the quality of a casting after condensation forming is ensured to be good.
Description
Technical Field
The invention belongs to the technical field of dies, and particularly relates to a die convenient to use.
Background
The mold is used for obtaining various molds and castings of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool for molding an article, which is composed of various parts, and different molds are composed of different parts, and it is accomplished by the processing of the outer shape of the article mainly by the change of the physical state of the molded material.
When the existing mould forms a main riser in the middle of molding sand, the position of the main riser cannot be accurately positioned at the center of each pouring gate, so that molten solution flowing through the pouring gate cannot simultaneously reach each cavity in the casting process, the solidification time of castings in the cavities is different, and partial castings in the cavities cannot be fully filled.
Disclosure of Invention
The invention provides a convenient-to-use die for conveniently forming a main riser in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a use convenient mould, includes mould body, loam core, is used for filtering filtration piece of filtering cinder and is used for forming the main rising head part of main rising head on the molding sand, be equipped with the shaping convex part on the mould body, with the shaping convex part links to each other to water, is used for forming the extrusion portion of cavity and locating in the molding sand connecting hole on the mould body, main rising head part include a plurality of can embolia to location cover and the forming tube on the extrusion convex part, the location cover with the forming tube links to each other through a connecting rod.
According to the invention, by arranging the positioning sleeve and the forming pipe, the position of the forming pipe can be conveniently positioned, and the forming pipe is ensured to be positioned in the right center of each positioning sleeve, so that liquid can simultaneously reach each cavity through a pouring channel after flowing into the main riser, and the quality of a casting after condensation forming is ensured to be good.
Preferably, the forming pipe comprises a first pipe body and a second pipe body connected with the first pipe body, and the second pipe body is arranged in a flaring mode.
Preferably, the height ratio of the first pipe body to the second pipe body is 3: 1.
Preferably, the first pipe body is provided with a sleeving convex part, and the second pipe body is provided with a sleeving concave part matched with the sleeving convex part; cup joint the convex part through the setting and cup joint the concave part, can realize that second body and first body can dismantle and be connected, and it can realize carrying out the dismouting fast, conveniently takes out whole main rising head part from the molding sand.
Preferably, the extrusion part comprises a first convex part and a second convex part connected with the first convex part, and the outer wall of the second convex part is obliquely arranged from top to bottom; the outer wall of the second protrusion is formed as an inclined slope so that a cavity of a corresponding shape is formed in the molding sand, such that the upper end portion of the cavity is formed in a tapered shape, when the solution enters the cavity, the gas moves upwards to form larger gas pressure, the molten solution is extruded reversely by the gas pressure, the pair of the extrusion die has a certain space during extrusion, so that more air exists inside the extrusion die, the formed atmospheric pressure is larger, and the effect of extruding the molten solution is good, so that after the molten solution enters the upper die and the lower die, the casting mold can make part of the molten solution enter the molding cavity for supplement and extrusion, so that the produced casting has compact texture and high structural strength, the molding effect of the casting can be effectively improved, and the molded casting has long service life; in addition, because the mode is extrusion through air, when the casting is extruded, the speed of the molten solution flowing onto the forming convex part is low, the slow extrusion can be realized, and the molten solution is prevented from flowing into a large number of other gaps due to overlarge extrusion force to cause waste of the molten solution, so that the molten solution can be saved and the waste is avoided; the filter piece is arranged to filter slag in the molten solution, so that the formed casting does not contain impurities inside the casting, the quality of the casting is improved, and the forming effect of the casting is guaranteed.
Preferably, the inclination angle alpha of the outer wall of the second convex part is 1-45 degrees; the angle is set between 1-45 degrees, the formed atmospheric pressure is high, and the extrusion effect is good; when the volume of the gas is reduced, the inner wall of the inner wall at the angle rebounds the gas, so that the gas presses the casting solution downwards, and the solution is compact in texture after being condensed; and the formed atmospheric pressure is in the best state within the angle range, the extrusion effect on the molten solution is good, and the molten solution can be ensured to fill the whole cavity.
Preferably, a concave part with an arc-shaped inner wall is arranged at the end part of the second convex part; through setting up the concave part, when extrusion molten solution, its gas that exists that forms in the intracavity is more, consequently when extrusion molten solution, when not contacting molten solution, can realize extrudeing molten solution, and the extruded is effectual, has increased the pressure to molten solution, and the better saving molten solution of ability to further increase the density of foundry goods.
Preferably, the concave part is a conical concave part, and the conical degree of the concave part is 1: 5-10; the pressure formed in the taper is large, and the casting is well molded.
Preferably, the pouring channel comprises a placing part for placing the filter element, a first flow channel body connected with the placing part, and a second flow channel body connected with the first flow channel body, wherein an included angle beta is formed between the first flow channel body and the second flow channel body, and the included angle beta is more than 90 degrees and less than 180 degrees; the flow channel is divided into a placing part, a first flow channel body and a second flow channel body, wherein the placing part can be used for conveniently placing a filter element and is convenient to mount and dismount; the first flow channel body is arranged similarly, so that the filter element can be conveniently installed, the filter element does not need to be inclined, the rapid assembly can be realized, the filter element does not have inclination, and the filtering effect of the filter element on the molten solution is guaranteed; the second flow channel body and the first flow channel body form an included angle beta, on one hand, when the first flow channel body is convenient to install the first flow channel body, on the other hand, the second flow channel body keeps the molten solution capable of flowing to the forming convex part in the shortest path mode, the amount of the molten solution adhered to the second flow channel body when the molten solution flows along the second flow channel body is reduced, and the waste of the molten solution is reduced; meanwhile, due to the arrangement of the included angle, in the flowing process of the molten solution, the resistance borne by the molten solution in the flowing process is improved to a certain extent, so that the speed of the molten solution in the flowing process is reduced, the molten solution can slowly enter the cavity and then is gradually formed into a casting.
In conclusion, the positioning sleeve and the forming pipe are arranged, so that liquid can reach all the cavities through the pouring channel after flowing into the main riser, and the quality of a casting after condensation forming is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a second structural schematic diagram of the present invention.
Fig. 3 is a first structural diagram of the main riser part according to the present invention.
Fig. 4 is a schematic structural diagram of the main riser part according to the second embodiment of the present invention.
Fig. 5 is a schematic structural view of the mold body of the present invention after molding on molding sand.
Fig. 6 is an exploded view one of fig. 5.
Fig. 7 is an exploded view ii of fig. 5.
Fig. 8 is a cross-sectional view of the invention of fig. 5.
Fig. 9 is a schematic view of the filter element of the present invention.
Fig. 10 is an enlarged view of a in fig. 9.
Figure 11 is an exploded view of the filter of the present invention.
Fig. 12 is a schematic view of the construction of a loaf core of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
As shown in fig. 1-12, a convenient mold comprises a mold body 1, a sand core 2 filter element 3 and a main riser part for forming a main riser on molding sand, wherein the mold body 1 is a square metal piece, the mold body 1 is provided with a molding convex part, the number of the molding convex part can be one or more, the specific number of the molding convex part can be typeset according to factors such as the area of the mold body 1, and the shape of the molding convex part 11 is set according to the shape of a casting; the molding convex part is divided into a first molding body 111 and a second molding body 112, the first molding body is provided with an extrusion part 13 on the mold body 1, the extrusion part 13 is a convex column, the extrusion part 13 comprises a first convex part 131 and a second convex part 132 integrally molded with the first convex part 131, the first convex part 131 is a circular column, the second convex part 132 is a tapered column, so that the outer wall of the second convex part 132 is inclined from top to bottom, and the inclination angle α of the outer wall of the second convex part 132 is 5-25 °; a concave part 133 is arranged at the end part of the second convex part 132, the concave part 133 is a tapered groove, and the taper of the concave part 133 is 1: 5-10; while the inner wall of the recess 133 is an arc-shaped surface.
Further, a pouring gate 12 is provided on the mold body 1, the pouring gate 12 protrudes from the convex strip of the mold body 1, the pouring gate 12 includes a placing portion 120, a first flow passage body 121 and a second flow passage body 122, the placing portion 120 is a square metal convex portion, the placing portion 120 forms a square concave groove on the molding sand, and the filter element 3 can be directly placed in the concave groove formed by the placing portion 120 during casting; the first flow channel 121 is a convex strip connected to the placing part 120, and the upper edge of the first flow channel 121 is chamfered; the second flow channel 122 is a convex strip connected with the first flow channel 121, a sub cap 123 is connected to the end of the second flow channel 122, the sub cap 123 is a hemispherical convex part, the sub cap 123 is connected with the molding convex part 11, and the height of the sub cap 123 is lower than that of the molding convex part 11; meanwhile, an included angle beta is formed between the first flow channel body 121 and the second flow channel body 122, and the included angle beta is more than 90 degrees and less than 120 degrees.
When the die body is used, the die body is placed in a frame containing more molding sand, and then the die body is extruded through external force, so that the molding convex parts and the pouring channels on the die body form corresponding grooves in the molding sand, and a first die body is formed; similarly, the same mold body is placed in another frame containing much molding sand, but with the difference that the mold body faces differently, the face containing the squeezing portion faces downward, and then the mold body is pressed by an external force so that the mold body forms a groove constituted by the squeezing portion among the molding sand, thereby forming a second mold body, the first mold body and the second mold body are merged together, and then the molten solution is poured through the pouring head.
Further, the main riser part comprises a positioning sleeve 61 and a forming tube 62, the positioning sleeve 61 is a metal sleeve, the shape of the positioning sleeve 61 can be the same as that of the extrusion part 13, the positioning sleeve 61 can be directly sleeved on the extrusion part 13, the forming tube 62 is a metal tube, the forming tube 62 comprises a first tube 621 and a second tube 622, the first tube 621 is a cylindrical metal tube, the second tube 622 is a tapered metal tube with a flared opening, the first tube 621 and the second tube 622 are detachably connected, and meanwhile, the lower end of the first tube 621 is connected with the positioning sleeve 61 through a connecting rod 63; and the height ratio of the first pipe body to the second pipe body is 3: 1.
Specifically, the first tube 621 is provided with a socket convex portion 631, and the second tube 622 is provided with a socket concave portion 632, so that when the first tube 621 is connected to the second tube 622, the lower portion of the second tube 622 can be sleeved on the upper portion of the first tube 621, that is, the socket concave portion 632 is sleeved in the socket convex portion 631.
Specifically, the sand core 2 is a workpiece placed in a cavity, the sand core 2 can be customized into sand cores with different specifications and shapes according to different shapes of castings, the sand core 2 comprises an iron core layer 21 and a molding sand layer 22, the iron core layer 21 is an inner core made of iron metal, and the iron metal can be in a shape of one piece or combined together by fine particles under the action of pressure; the molding sand layer 22 is the existing molding sand on the market, and the molding sand layer 22 will the iron core layer 21 wraps up.
Further, before casting, the filter member 3 is required to be placed in the groove formed in the placing portion 120; the filter element 3 comprises a filter body 31 and a plurality of flow dividing elements 32 detachably connected with the filter body 31, the filter body 31 is a metal filter screen, the filter body 32 can be a metal element after condensation of the molten solution, and because the filter body 31 contains an oxide layer, when the molten solution passes through the filter body 31, even if the temperature of the filter body 31 is increased, the filter body 31 is not melted; the lower part of the filtering body 31 is provided with a first filtering hole 311, the upper part of the filtering body 31 is provided with a second filtering hole 312, and the aperture of the first filtering hole 311 is larger than that of the second filtering hole 312; the aperture of the first filtering hole is larger than that of the second filtering hole, so that when a molten solution flows through a pouring gate, the liquid at the lower part of the molten solution flows faster under the dual actions of the aperture setting and the pressure of the first filtering hole, and the liquid at the lower part can enter a cavity faster; meanwhile, a plurality of first convex teeth 313 are arranged in the first filtering holes 311, and the first convex teeth 313 are bent outwards; a plurality of second convex teeth 314 are arranged in the second filtering holes 312, and the second convex teeth 314 are also bent outwards; through setting up first, second dogtooth, its first, the second filtration pore that molten solution passes through can receive the resistance of certain degree, consequently mixes the bubble in the middle of the molten solution can float towards the inside direction of filter body because under the effect of this resistance, even it can ensure to contain gas and enter into the molten solution after in the middle of, also can not flow into the die cavity along with the molten solution in the middle of, and then ensured the shaping effect and the compactness of foundry goods.
Further, the splitter 32 is a metal mesh, and the front view of the splitter 32 is a J shape; the separating elements 32 are detachably connected with the inner wall of the filter element 31, every two separating elements 32 form a group, an insertion cavity 315 is arranged on the inner wall of the filter element 31, an insertion convex part 325 is arranged on the separating elements 32, and the insertion convex part 325 can be inserted into the insertion cavity 315; through the J-shaped shunt part arranged in the filtering body, after molten solution enters the filtering body, the J-shaped separation convex part is contacted with slag floating on the upper part of the molten solution, so that the slag floats to two sides of the filtering body along the wall of the separation convex part under the vibration of the molten solution, and the slag in the filtering piece stays close to the edge, thereby ensuring that the subsequent molten solution can smoothly pass through the filtering piece, ensuring that the molten solution is injected into the plastic of a cavity, improving the molding rate of a casting, improving the production efficiency and avoiding the unrealistic molding of the casting due to the obstruction of the slag; through setting up grafting chamber and grafting convex part, it can be according to the mould on the quantity of watering and adjust the concrete position of reposition of redundant personnel, keeps two reposition of redundant personnel to water a.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all 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.
Claims (5)
1. The utility model provides a use convenient mould, includes mould body (1), loam core (2), is used for filtering filtration piece (3) of filtering slag and is used for forming the main rising head part of main rising head on the molding sand, its characterized in that: the mould comprises a mould body (1), a main cap part and a main cap part, wherein the mould body (1) is provided with a forming convex part, a pouring channel (12) connected with the forming convex part, an extruding part (13) used for forming a cavity in molding sand and a connecting hole (10) arranged on the mould body (1), the main cap part comprises a plurality of positioning sleeves (61) and forming pipes (62) which can be sleeved on the extruding convex part (13), and the positioning sleeves (61) are connected with the forming pipes (62) through a connecting rod (63);
the extrusion part (13) comprises a first convex part (131) and a second convex part (132) connected with the first convex part (131), and the outer wall of the second convex part (132) is obliquely arranged from top to bottom;
the inclination angle alpha of the outer wall of the second convex part (132) is 5-25 degrees;
a concave part (133) is arranged at the end part of the second convex part (132);
the concave part (133) is arranged in a conical shape, and the conical degree of the concave part (133) is 1: 5-10;
the pouring channel (12) comprises a placing part (120) for placing the filter elements (3), a first flow channel body (121) connected with the placing part (120), and a second flow channel body (122) connected with the first flow channel body (121), wherein an included angle beta is formed between the first flow channel body (121) and the second flow channel body (122), and the included angle beta is more than 90 degrees and less than 120 degrees.
2. A readily usable mold according to claim 1, wherein: the forming pipe (62) comprises a first pipe body (621) and a second pipe body (622) connected with the first pipe body (621), and the second pipe body (622) is arranged in a flaring mode.
3. A readily usable mold according to claim 2, wherein: the height ratio of the first pipe body (621) to the second pipe body (622) is 3: 1.
4. A readily usable mold according to claim 2, wherein: be equipped with on first body (621) and cup joint convex part (631), be equipped with on second body (622) with cup joint concave part (632) that cup joint convex part (631) matched with.
5. A readily usable mold according to claim 1, wherein: the mud core (2) comprises an iron core layer (21) and a molding sand layer (22) wrapped outside the iron core layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093690.2A CN109773125B (en) | 2019-01-30 | 2019-01-30 | Convenient-to-use die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093690.2A CN109773125B (en) | 2019-01-30 | 2019-01-30 | Convenient-to-use die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109773125A CN109773125A (en) | 2019-05-21 |
| CN109773125B true CN109773125B (en) | 2021-05-04 |
Family
ID=66503024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093690.2A Expired - Fee Related CN109773125B (en) | 2019-01-30 | 2019-01-30 | Convenient-to-use die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109773125B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791678B (en) * | 2010-03-18 | 2011-09-14 | 朱晓明 | Pouring gate filter |
| CN201702323U (en) * | 2010-05-14 | 2011-01-12 | 六和铸造工业(昆山)有限公司 | Runner distributor |
| US20130168035A1 (en) * | 2011-12-28 | 2013-07-04 | F. Andrew Nibouar | Method and system for manufacturing railcar coupler locks |
| CN102728790B (en) * | 2012-07-24 | 2014-01-15 | 江苏松林汽车零部件有限公司 | Sand-line iron mould casting process for grey cast iron flywheel housing of diesel engine |
| CN104772428A (en) * | 2014-01-15 | 2015-07-15 | 天津中联金属制品有限公司 | Precoated sand mold capable of simultaneously casting multiple castings |
| CN104722709A (en) * | 2015-04-08 | 2015-06-24 | 安徽新宁装备股份有限公司 | Casting mold and casting plate |
| CN204685962U (en) * | 2015-06-23 | 2015-10-07 | 长兴县长安造型耐火材料厂 | A kind of cast filtration |
| CN205414315U (en) * | 2015-12-07 | 2016-08-03 | 河北安迪模具有限公司 | V method molding pouring line |
| CN107457365A (en) * | 2017-08-24 | 2017-12-12 | 江阴澄云机械有限公司 | A kind of spheroid running channel mould |
| CN107695298B (en) * | 2017-11-24 | 2024-01-09 | 浙江银兴机械股份有限公司 | Engine rocker arm chamber forming die with blind riser |
| CN108145087A (en) * | 2017-12-22 | 2018-06-12 | 天津万立鑫晟新材料技术研究院有限公司 | A kind of self-pressurization riser and its application method |
| CN208322006U (en) * | 2018-05-24 | 2019-01-04 | 保定宁信新型材料有限公司 | A kind of used in aluminium alloy casting groove straight flange filter cap |
| CN108436039B (en) * | 2018-05-31 | 2023-11-24 | 天津蒙德利尔集装箱配件有限公司 | Container corner fitting casting mould for technology |
| CN108543916B (en) * | 2018-06-20 | 2020-04-21 | 台州市金美铝业股份有限公司 | Be used for as cast filter of aluminum alloy |
-
2019
- 2019-01-30 CN CN201910093690.2A patent/CN109773125B/en not_active Expired - Fee Related
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| CN109773125A (en) | 2019-05-21 |
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Granted publication date: 20210504 Termination date: 20220130 |