CN212398011U - Mould for horizontal boxless casting - Google Patents
Mould for horizontal boxless casting Download PDFInfo
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- CN212398011U CN212398011U CN202020969253.0U CN202020969253U CN212398011U CN 212398011 U CN212398011 U CN 212398011U CN 202020969253 U CN202020969253 U CN 202020969253U CN 212398011 U CN212398011 U CN 212398011U
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Abstract
The utility model discloses a mould is used in horizontal boxless casting, water the model including top board, template, pouring basin model and reposition of redundant personnel, the top board is located the template top, and the lower extreme that the reposition of redundant personnel was watered the model is used for and the template dock mutually, be equipped with pouring basin shaping pore structure on the top board, the pouring basin model is established in pouring basin shaping pore structure, has the clearance between pouring basin model lateral wall and the pore wall of pouring basin shaping pore structure, the reposition of redundant personnel is watered the model and is established and link to each other with the pouring basin model in the top board below. The method has the advantages of expanding products produced by a single pair of sand molds, directly improving the productivity by 20-30%, breaking through the technical limitation of low productivity of small-specification cast products in the field of horizontal boxless casting production, and further promoting the development of casting enterprises.
Description
Technical Field
The utility model belongs to the technical field of the no case casting technique and specifically relates to a mould is used in horizontal no case casting is related to.
Background
The horizontal boxless casting production line is used for producing small-specification casting products in batches, and is high in production efficiency and low in cost. Particularly, the method is applied to the wear-resistant casting industry, is generally accepted by the wear-resistant casting industry, greatly reduces the labor of enterprises, stabilizes the product quality, enlarges the productivity, lightens the labor intensity of workers, directly reduces the production cost, and promotes the innovative development of the wear-resistant casting industry depending on equipment technology.
However, the mold technology used in the horizontal box-less casting production line is limited, for example, to produce small-sized wear-resistant cast balls and cast segment products with the diameter phi of less than or equal to 35mm, because the mold technology is limited, the productivity of a single pair of molds is small, the yield is low, and the normal production requirements or the set configuration of smelting equipment cannot be met. The technology limits further development of wear-resistant casting enterprises to a certain extent.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a mould is used in horizontal boxless casting, it can improve the productivity of small dimension casting product list pair mould.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
this mould is used in horizontal boxless casting, including top board, template, pouring basin model and reposition of redundant personnel runner the model, the top board is located the template top, and the lower extreme that the reposition of redundant personnel was watered the model is used for interfacing mutually with the template, be equipped with pouring basin shaping pore structure on the top board, the pouring basin model is established in pouring basin shaping pore structure, has the clearance between pouring basin model lateral wall and the pore wall of pouring basin shaping pore structure, the reposition of redundant personnel is watered the model and is established and link to each other with the pouring basin model in the top board below.
Furthermore, the edge of the upper pressure plate is provided with a sealing structure for contacting and sealing with the inner wall of the molding sand mold sand box.
The pouring cup model is of a conical structure with a large upper part and a small lower part.
And a casting head model is arranged below the upper pressing plate and is connected with the split flow pouring gate model.
The pouring cup model is of an integral structure or a split flap combined structure.
The die plate is provided with cross gate models connected with the lower ends of the corresponding shunt gate models, the cross gate models are in a group, and the cross gate models are not communicated with each other and are arranged independently.
And an observation groove forming boss connected with the dead head model is arranged below the upper pressing plate.
And a dead head mounting hole is formed in the upper pressing plate corresponding to the dead head model.
The split-flow pouring gate model comprises an oblique pouring gate model and a vertical pouring gate model, one end of the oblique pouring gate model is connected with the lower portion of the pouring cup model, the other end of the oblique pouring gate model is connected with the upper end of the vertical pouring gate model, and the lower end of the vertical pouring gate model is used for being in butt joint with a template.
The pouring head model is positioned right above the vertical pouring gate model, and the other end of the oblique pouring gate model is connected with the pouring head model and the upper end of the vertical pouring gate model.
Compared with the prior art, the utility model, have following advantage:
the mold for horizontal boxless casting has reasonable structural design, enlarges products produced by a single pair of sand molds, directly improves the productivity by 20-30 percent, breaks through the technical limitation of low productivity of small-specification casting products in the horizontal boxless casting production field, and further promotes the development of casting enterprises.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is the utility model discloses a pouring sand mould sketch map.
Fig. 2 is the schematic view of the pouring sand mold of the present invention.
Fig. 3 is a partial schematic view of the mold of the present invention in a molding machine.
Fig. 4 is an exploded view of the mold of the present invention.
Fig. 5 is a schematic diagram of the template of the present invention.
In the figure:
1. sand molding; 10. parting surfaces of the sand mold; 11. a pouring cup; 12. a split injection system; 121. a riser cup; 122. a vertical pouring channel; 13. a riser hole; 14. an observation tank; 15. shunting pouring channels; 16. a product model cavity; 17. A sprue;
2. an upper pressure plate; 21. forming hole structures of the sprue cups; 22. a riser mounting hole; 24. an upper pressure plate sealing structure; 3. a sand box; 31. a sand opening is formed; 4. a template; 41. a pouring cup model; 42. shunting and injecting the system model; 421. casting head models; 422. a vertical pouring gate model; 45 shunting runner model; 46. a product model; 46. A cross gate model; 51. a working cylinder; 52. a top frame; 53. an upper platen base plate; 54. a cope flask bracket; 55. And (6) a guide pillar.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the horizontal box-less casting mold comprises an upper pressure plate 2, a template 4, a pouring cup model 41 and a shunt pouring gate model 45, wherein the upper pressure plate is positioned above the template, the lower end of the shunt pouring gate model is used for being butted with the template, a pouring cup forming hole structure 21 is arranged on the upper pressure plate, the pouring cup model is arranged in the pouring cup forming hole structure, a gap is formed between the outer side wall of the pouring cup model and the hole wall of the pouring cup forming hole structure, and the shunt pouring gate model is arranged below the upper pressure plate and connected with the pouring cup model.
Therefore, the pouring cup and the upper sand mold are integrally formed, the pouring cup is arranged on the upper sand mold, the lower part of the pouring cup is communicated with the split runner, the pouring cup plays a role in guiding molten metal and does not store the molten metal, or the pouring cup and the split runner only leave a small amount of molten metal. The mould and the process are widely suitable for batch casting of small-specification cast products; the utilization rate of the finished product of the molten metal is fully improved; the length of the model string is shortened, and the qualification rate of the product is improved.
The edge of the upper press plate is provided with a sealing structure for contacting and sealing with the inner wall of the molding sand mold sand box, and the upper press plate sealing structure 24 is fixedly arranged on the edge of the upper press plate.
The pouring cup model is of an integral structure or a split petal combined structure, and the pouring cup is simple and convenient to form; the sprue cup model is of a conical structure with a large upper part and a small lower part, the flow guide is smooth, a sprue model is arranged below the upper pressing plate, and the sprue model is connected with the shunt pouring gate model; the structure of the sprue cup forming hole corresponding to the sprue cup model is a conical hole with a small upper part and a large lower part.
A riser mounting hole 22 is formed in the upper pressing plate corresponding to the casting head model; an observation groove forming boss connected with the casting head model is arranged below the upper pressing plate to form a 14-hole observation groove, so that the molten metal injection condition at the casting head can be observed visually during casting.
The die plate is provided with cross gate models 46 connected with the lower ends of the corresponding shunt gate models, the cross gate models are in a group, the cross gate models in the group are not communicated with each other and are arranged independently, and the product qualification rate is high.
The shunting runner model comprises an oblique runner model and a vertical runner model 422, one end of the oblique runner model is connected with the lower part of the sprue cup model, the other end of the oblique runner model is connected with the upper end of the vertical runner model, and the lower end of the vertical runner model is used for being in butt joint with the template.
The casting head model 421 is located right above the vertical pouring gate model, and the other end of the oblique pouring gate model is connected with the casting head model and the upper end of the vertical pouring gate model.
The upper platen, the sand box and the template are arranged in the molding machine, the upper end of a guide post 55 of the molding machine is provided with a top frame 52, the top frame is provided with a working cylinder 51, the lower part of the working cylinder is connected with the upper platen through an upper platen base 53, the upper sand box and the lower sand box are arranged on the guide post through an upper sand box bracket 54 and a lower sand box bracket, and the upper platen is driven to move relative to the sand box through the working cylinder.
The method has the advantages of expanding products produced by a single pair of sand molds, directly improving the productivity by 20-30%, breaking through the technical limitation of low productivity of small-specification cast products in the field of horizontal boxless casting production, and further promoting the development of casting enterprises.
Preferred specific examples are:
as shown in fig. 2, the pouring cup 11 is integrally formed with the upper sand mold at one time; the sand mould 1 is divided into an upper sand mould and a lower sand mould from a sand mould parting surface 10, and the sprue cup is arranged on the upper sand mould; the pouring cup is formed by a pouring cup model on the upper pressure plate, the pouring cup is in a cone shape, and the pouring cup can be integrally formed or can be divided into a plurality of sections.
The lower part of the sprue cup is connected with a shunt pouring gate; the pouring cup can also be in direct communication with the split injection system. The split runners are formed by split injection system mold 42 located below the lower platen.
The flow dividing pouring gate 15 is arranged below the upper pressure plate, and one end of the flow dividing pouring gate is communicated with the lower part of the pouring cup; the other end of the shunt pouring gate is communicated with a corresponding riser cup 121 of the shunt injection system to form a corresponding pouring channel; and the top of the upper sand mould is also provided with a dead head hole 13 of which the part is not connected with the shunt channel.
The split injection system 12 comprises an inclined pouring channel and a vertical pouring channel, and the inclined pouring channel is connected with the upper pressure plate; the vertical pouring channel 122 is connected with the horizontal pouring channel corresponding to the template to form a complete pouring system; the inclined pouring channel is communicated with the vertical pouring channel and the riser.
The template is respectively matched with the upper box and the lower box to complete sand filling and extrusion molding of the molding sand. The template is provided with a product model 46 and a horizontal runner model, the horizontal runner is communicated with the vertical runner, and a product model cavity 16 is formed through the template; the horizontal pouring gate model is provided with a straight pouring gate 17 connected with the lower end of the vertical pouring gate.
The pressing plate and the sand box are matched to compact the molding sand for molding, and a pouring cup model is arranged on the upper pressing plate; the upper pressure plate is provided with a shunting runner model and is connected with the runner system model. The sand box is provided with a sand through opening so that the molding sand can be automatically filled into the sand box through the action of external force.
As shown in fig. 3 and 4, a horizontal flaskless casting mold and process are suitable for forming casting by a horizontal flaskless molding machine; and the upper pressing plate is associated with the upper box to complete the molding of the sprue cup, the split runner, the split injection system and the product cavity of the upper box.
Molding sand by compacting a lower mold of the template and the like through a lower box and a pressing plate; the sand box 3 is provided with a sand through opening 31, and the sand box is automatically filled with molding sand and compacted under the action of external force.
An observation groove is arranged at a riser of an upper sand mold of the sand mold, so that observation is facilitated during pouring, and molten metal is prevented from overflowing during pouring. Specifically, the corresponding position of the upper pressing plate is provided with an observation groove boss, and the molding sand is compacted to form an observation groove hole, so that the molten metal injection condition at a dead head is observed visually during pouring, the injection amount of the molten metal is stopped timely, and the purpose of safe production is realized.
By the structural design of the horizontal box-free casting mold, molten metal is injected from a pouring cup protruding out of the upper plane of an upper box, and then the molten metal is respectively filled into corresponding cavities through a shunting injection system; the pouring cup and the upper sand mold are integrally formed in one step, the pouring cup plays a role in guiding molten metal, the molten metal is not stored, or only a small amount of molten metal is left in the pouring cup and the shunting runner. The mould and the process are widely suitable for batch casting of small-specification cast products; the utilization rate of the finished product of the molten metal is fully improved; the length of the model string is shortened, and the qualification rate of the product is improved.
The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (10)
1. The utility model provides a mould is used in horizontal boxless casting, includes top board, template, pouring basin model and reposition of redundant personnel and waters the model, the top board is located the template top, and the lower extreme that the reposition of redundant personnel was watered the model is used for butting with the template, its characterized in that: the upper pressing plate is provided with a pouring cup forming hole structure, the pouring cup model is arranged in the pouring cup forming hole structure, a gap is formed between the outer side wall of the pouring cup model and the hole wall of the pouring cup forming hole structure, and the shunt pouring gate model is arranged below the upper pressing plate and connected with the pouring cup model.
2. The mold for horizontal boxless casting according to claim 1, wherein: and the edge of the upper pressing plate is provided with a sealing structure for contacting and sealing with the inner wall of the molding sand mold sand box.
3. The mold for horizontal boxless casting according to claim 1, wherein: the pouring cup model is of a conical structure with a large upper part and a small lower part.
4. The mold for horizontal boxless casting according to claim 1, wherein: and a casting head model is arranged below the upper pressing plate and is connected with the split flow pouring gate model.
5. The mold for horizontal boxless casting according to claim 1, wherein: the pouring cup model is of an integral structure or a split flap combined structure.
6. The mold for horizontal boxless casting according to claim 1, wherein: the die plate is provided with cross gate models connected with the lower ends of the corresponding shunt gate models, the cross gate models are in a group, and the cross gate models are not communicated with each other and are arranged independently.
7. The mold for horizontal boxless casting according to claim 4, wherein: and an observation groove forming boss connected with the dead head model is arranged below the upper pressing plate.
8. The mold for horizontal boxless casting according to claim 4, wherein: and a dead head mounting hole is formed in the upper pressing plate corresponding to the dead head model.
9. The mold for horizontal boxless casting according to claim 4, wherein: the split-flow pouring gate model comprises an oblique pouring gate model and a vertical pouring gate model, one end of the oblique pouring gate model is connected with the lower portion of the pouring cup model, the other end of the oblique pouring gate model is connected with the upper end of the vertical pouring gate model, and the lower end of the vertical pouring gate model is used for being in butt joint with a template.
10. The mold for horizontal boxless casting according to claim 9, wherein: the pouring head model is positioned right above the vertical pouring gate model, and the other end of the oblique pouring gate model is connected with the pouring head model and the upper end of the vertical pouring gate model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020969253.0U CN212398011U (en) | 2020-06-01 | 2020-06-01 | Mould for horizontal boxless casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020969253.0U CN212398011U (en) | 2020-06-01 | 2020-06-01 | Mould for horizontal boxless casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212398011U true CN212398011U (en) | 2021-01-26 |
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ID=74409375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020969253.0U Active CN212398011U (en) | 2020-06-01 | 2020-06-01 | Mould for horizontal boxless casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212398011U (en) |
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2020
- 2020-06-01 CN CN202020969253.0U patent/CN212398011U/en active Active
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