CN216801590U - Frameless sand pouring basin - Google Patents
Frameless sand pouring basin Download PDFInfo
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- CN216801590U CN216801590U CN202123297563.6U CN202123297563U CN216801590U CN 216801590 U CN216801590 U CN 216801590U CN 202123297563 U CN202123297563 U CN 202123297563U CN 216801590 U CN216801590 U CN 216801590U
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Abstract
The utility model discloses a frameless sand pouring basin and a manufacturing method thereof in the technical field of casting, wherein the frameless sand pouring basin comprises a sand mold main body, the middle part of the sand mold main body is provided with a pouring cavity with an opening at the top, the bottom of the pouring cavity is provided with a pouring channel, the sand consumption of the sand mold main body around the pouring cavity is not less than 130mm, and a framework is arranged in the sand mold main body on the side surface of the pouring cavity. During manufacturing, a mold is manufactured according to the sand mold main body, then holes are drilled in the frame of the core box, the two steel pipes are aligned to the drilled holes and then are driven into the pin rod for fixing, the hanging rings are hung and connected to the two ends of the two steel pipes respectively, and finally, sand is fed out for molding, and the frameless sand pouring basin is obtained after demolding. According to the utility model, through designing a reasonable sand filling amount and arranging the framework in the sand mold main body, the structural strength of the sand pouring basin can be improved, so that the problems of cracking, deformation or collapse and the like of the sand pouring basin in the hoisting and pouring processes are avoided, and the whole manufacturing process is simple and convenient and has low cost.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to a frameless sand pouring basin and a manufacturing method thereof.
Background
The pouring basin is a tool which is arranged at a pouring gate of a cover box in a casting process and is convenient for pouring molten iron into a sand mold cavity so as to form a casting. Traditional runner basin is the sand box runner basin that has the sand box generally, and the peripheral parcel of runner basin has the sand box promptly, can increase the structural strength of whole runner basin through the sand box to avoid appearing cracking, deformation or collapsibility scheduling problem in hoist and mount and pouring in-process runner basin. But its shortcoming is that the traditional sand box runner basin recycle of medium-sized production line is troublesome, and runner basin sand box input cost is higher, is unfavorable for long-term production.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the pouring basin of the conventional sand box, the utility model aims to solve the technical problems that: the frameless sand pouring basin and the manufacturing method thereof have the advantages of production cost reduction, convenience in manufacturing and high structural strength.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
frameless sand runner basin, including the sand mould main part, the middle part of sand mould main part is equipped with open-topped pouring chamber, and pouring chamber bottom is equipped with the pouring gate, the sand consumption of the sand mould main part around the pouring chamber is not less than 130mm to be equipped with the skeleton in the sand mould main part of pouring chamber side.
Further, the sand mould main body is of a trapezoidal frustum structure with a wider bottom and a narrower top, and the inclination of the periphery is 80-87 degrees.
Further, the length of the pouring cavity is 500-600mm, the width is 250-300mm, the length-width ratio is 2:1, the depth is 400-500mm, and the whole size meets the requirement that the weight of the molten iron is not more than 500 Kg.
Furthermore, the pouring channel is positioned on one side of the bottom of the pouring cavity, a slag stopping boss is arranged in the middle of the bottom of the pouring cavity, and an inclined plane is arranged on one side, far away from the pouring channel, of the slag stopping boss.
Further, the height of the slag stopping lug boss is 40-60mm, and the slope of the inclined plane is 30 degrees.
Further, the pouring channel is provided with a runner and a sprue in sequence from inside to outside, the diameter of the runner is larger than that of the sprue, and a round steel spacer is arranged on a step surface formed by the runner and the sprue.
Further, the framework comprises two steel pipes and two lifting rings, the two steel pipes are located on two sides of the length direction of the pouring cavity respectively, and the two lifting rings are hung and connected to two ends of the two steel pipes respectively.
Further, the steel pipe is located sand mould main part focus's top, and the steel pipe both ends just with the lateral wall parallel and level of sand mould main part.
The beneficial effects of the utility model are: through reasonable in design's sand consumption to set up the skeleton in the sand mould main part, can improve the structural strength of sand runner basin, thereby avoid appearing cracking, deformation or collapsibility scheduling problem in hoist and mount and pouring in-process sand runner basin, and whole manufacturing process is simple and convenient, recoverable reuse of mould and skeleton, with low costs.
Drawings
FIG. 1 is a front view of the frameless sand tundish of the present invention.
Fig. 2 is a front view of the mold for the frameless sand tundish of the present invention.
Fig. 3 is a top view of a mold for a frameless sand tundish of the present invention.
Fig. 4 is a schematic illustration of the skeletal mounting of the frameless sand tundish of the present invention.
Marked in the figure as 1-sand mould main body, 11-pouring cavity, 12-pouring channel, 121-overfeeding channel, 122-sprue, 13-slag blocking boss, 2-steel pipe, 3-lifting ring, 4-core box bottom plate, 5-core box frame, 6-pattern, 61-active material positioning rod, 62-overfeeding channel active material, 63-sprue active material, 7-pin rod and 8-round steel spacer.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the frameless sand pouring basin of the present invention includes a sand mold main body 1, a pouring cavity 11 with an open top is disposed in the middle of the sand mold main body 1, a pouring channel 12 is disposed at the bottom of the pouring cavity 11, the sand consumption of the sand mold main body 1 around the pouring cavity 11 is not less than 130mm, and a framework is disposed in the sand mold main body 1 on the side of the pouring cavity 11. According to the frameless sand pouring basin, the sand filling amount is reasonably designed, the framework is arranged in the sand mould main body 1 in a matched mode, so that the structural strength of the frameless sand pouring basin meets the use requirement, and the problems of cracking, deformation or collapse and the like of the sand pouring basin can be avoided in the hoisting and pouring processes. Compared with the prior sand box pouring basin, the utility model has lower cost and is more beneficial to long-term industrial production.
When designing the frameless sand pouring basin, in order to facilitate demolding manufacture and improve structural strength, the sand mold main body 1 is designed into a trapezoidal frustum structure with a wider bottom and a narrower top, and the inclination of the periphery is preferably 80-87 degrees.
The specific size of the pouring basin can be determined by analyzing the stress condition of the pouring basin and the pouring requirement of the general pouring process. The utility model designs the pouring basin aiming at the prior common pouring quantity of 1-3t, the length of the pouring cavity 11 is 500-600mm, the width is 250-300mm, the length-width ratio is 2:1, the depth is 400-500mm, and the whole size meets the requirement that the weight of the molten iron is not more than 500 Kg. Through the size design, the structural strength of the pouring basin can meet the use requirement.
Furthermore, the pouring channel 12 is located on one side of the bottom of the pouring cavity 11, a slag stopping boss 13 is arranged in the middle of the bottom of the pouring cavity 11, and an inclined plane is arranged on one side, far away from the pouring channel 12, of the slag stopping boss 13. Preferably, the height of the slag stopping lug boss 13 is 40-60mm, and the slope of the inclined plane is 30 degrees. The slag stopping boss 13 is arranged at the bottom of the pouring cavity 11, when molten steel is poured, the molten steel is poured from one side of the slag stopping boss 13, so that a certain amount of accumulated water is formed at the bottom of the pouring cavity 11, the subsequent molten steel poured into the pouring cavity 11 can be buffered, direct impact on a pouring basin is avoided, the molten steel overflows the slag stopping boss 13 and then stably flows into the pouring channel 12, the pouring process can be more stable, and meanwhile, the slag stopping boss 13 can also play a certain slag stopping role.
For the pouring channel 12, in order to meet pouring requirements, the pouring channel 12 is sequentially provided with a runner 121 and a sprue 122 from inside to outside, the diameter of the runner 121 is larger than that of the sprue 122, and a round steel spacer 8 is arranged on a step surface formed by the runner 121 and the sprue 122. Round steel spacer 8 is equipped with the steel sheet of aperture for the center, adjusts round steel spacer 8 through 8 central apertures of round steel spacer and wall thickness size and melts the time, satisfies pouring basin molten iron and pours 8 the complete melts of back round steel spacer above the 2/3 liquid level of pouring basin, and sprue 122 begins to intake, and round steel spacer 8 melts time about 10s from pouring, can guarantee the continuity of pouring, simultaneously, also can play certain fender sediment effect through setting up round steel spacer 8.
To the skeleton, for easy to assemble and preparation, the skeleton of this application includes steel pipe 2 and rings 3, steel pipe 2 includes two, is located 11 length direction's of pouring chamber both sides respectively, rings 3 include two, hang respectively and connect the both ends at two steel pipe 2. Further, the steel pipe 2 is located above the gravity center of the sand mold main body 1, and two ends of the steel pipe 2 are just aligned with the outer side wall of the sand mold main body 1. Steel pipe 2 and rings 3 can play the reinforcing action to the long limit and the minor face of runner basin respectively, and sand mould main part 1 is passed at 2 both ends of steel pipe simultaneously, can regard as the atress fulcrum of lifting by crane the runner basin.
The manufacturing method of the frameless sand pouring basin comprises the following steps:
step one, manufacturing a die: manufacturing a sand pouring basin mold according to the structural size of the sand mold main body 1, wherein the mold comprises a core box bottom plate 4, a core box frame 5 and a pattern 6 which is positioned on the core box bottom plate 4 and has the same shape as the pouring cavity 11;
step two, framework installation: two through holes are respectively drilled on two side plates in the width direction of a core box frame 5, two steel pipes 2 are respectively aligned with the through holes and then are driven into a pin 7 for fixing, and before fixing, two annular runway-shaped hanging rings 3 are respectively hung and connected at two ends of the two steel pipes 2;
step three, sand discharging and forming: firstly, putting sand into the mould and compacting, taking out the pin 7 after the molding sand is solidified, then overturning and removing the mould through an overturning and mould drawing machine to obtain the frameless sand pouring basin, and then lifting the frameless sand pouring basin through the pin 7.
Further, when the mold is manufactured, the draft angle of the mold is designed to be 80-87 degrees, a material moving positioning rod 61 is arranged at the position, corresponding to the pouring channel 12, of the top of the mold pattern 6, and the material moving positioning rod 61 can be used for replacing a sprue moving material 62 and a sprue moving material 63 with different sizes in a connecting mode.
The specific structure of the mold is shown in fig. 2-4, the core box bottom plate 4, the core box side frame 5 and the pattern 6 can be made of wood, the top of the pattern 6 is connected with a runner material 62 and a sprue material 63 in different sizes in a penetrating manner through a material positioning rod 61, and the size of the pouring channel 11 can be adjusted according to actual needs to meet different pouring requirements. When the framework is installed, the steel pipe 2 is located above the gravity center of the sand mold main body 1, and the upper portion of the steel pipe refers to the direction closer to the opening of the pouring basin, so that the upward opening of the pouring basin can be conveniently ensured when the pouring basin is lifted subsequently, and the installation is convenient.
According to the frameless sand pouring basin, the sand consumption is reasonable, the framework is arranged in the sand mold main body, the structural strength of the sand pouring basin can be improved, the problems of cracking, deformation or collapse and the like of the sand pouring basin in the hoisting and pouring processes are avoided, the whole manufacturing process is simple and convenient, the mold and the framework can be recycled, the cost is low, and the frameless sand pouring basin has good practicability, economy and application prospects.
Claims (8)
1. Frameless sand runner basin, characterized by: including sand mould main part (1), the middle part of sand mould main part (1) is equipped with open-top's pouring chamber (11), and pouring chamber (11) bottom is equipped with pouring gate (12), the sand consumption of sand mould main part (1) around pouring chamber (11) is not less than 130mm to be equipped with the skeleton in sand mould main part (1) of pouring chamber (11) side.
2. The frameless sand tundish of claim 1, wherein: the sand mold main body (1) is of a trapezoidal frustum structure with a wider bottom and a narrower top, and the inclination of the periphery is 80-87 degrees.
3. The frameless sand tundish of claim 1, wherein: the length of the pouring cavity (11) is 500-600mm, the width is 250-300mm, the length-width ratio is 2:1, the depth is 400-500mm, and the whole size meets the requirement that the weight of the molten iron is not more than 500 Kg.
4. The frameless sand tundish of claim 1, wherein: the pouring channel (12) is located on one side of the bottom of the pouring cavity (11), a slag stopping boss (13) is arranged in the middle of the bottom of the pouring cavity (11), and an inclined plane is arranged on one side, far away from the pouring channel (12), of the slag stopping boss (13).
5. The frameless sand tundish of claim 4, wherein: the height of the slag stopping boss (13) is 40-60mm, and the slope of the inclined plane is 30 degrees.
6. The frameless sand tundish of claim 1, wherein: pouring gate (12) is runner (121) and sprue (122) from inside to outside in proper order, the diameter of runner (121) is greater than sprue (122) to be equipped with round steel spacer (8) on the step face of runner (121) and sprue (122) formation.
7. The frameless sand tundish of any of claims 1-6, wherein: the steel pipe casting device is characterized in that the framework comprises two steel pipes (2) and two hanging rings (3), the two steel pipes (2) are respectively located on two sides of the length direction of the casting cavity (11), and the two hanging rings (3) are respectively hung and connected to two ends of the two steel pipes (2).
8. The frameless sand tundish of claim 7, wherein: the steel pipe (2) is located above the gravity center of the sand mold main body (1), and two ends of the steel pipe (2) are just flush with the outer side wall of the sand mold main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297563.6U CN216801590U (en) | 2021-12-24 | 2021-12-24 | Frameless sand pouring basin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297563.6U CN216801590U (en) | 2021-12-24 | 2021-12-24 | Frameless sand pouring basin |
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| CN216801590U true CN216801590U (en) | 2022-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012038A (en) * | 2021-12-24 | 2022-02-08 | 宜宾普什联动科技有限公司 | Frameless sand pouring basin and manufacturing method thereof |
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2021
- 2021-12-24 CN CN202123297563.6U patent/CN216801590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012038A (en) * | 2021-12-24 | 2022-02-08 | 宜宾普什联动科技有限公司 | Frameless sand pouring basin and manufacturing method thereof |
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