CN217666226U - Easily clear away mould of casting rising head - Google Patents
Easily clear away mould of casting rising head Download PDFInfo
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- CN217666226U CN217666226U CN202222010148.6U CN202222010148U CN217666226U CN 217666226 U CN217666226 U CN 217666226U CN 202222010148 U CN202222010148 U CN 202222010148U CN 217666226 U CN217666226 U CN 217666226U
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Abstract
The utility model relates to a casting mould technical field, concretely relates to easily clear away mould of casting rising head, including cope flask, drag flask and locating pin, be equipped with runner and rising head on the cope flask, its characterized in that is equipped with fast cutting device at the root that corresponds runner and rising head and die cavity, and its structure includes shearing sword, runner hole and uide bushing, and the uide bushing is a sleeve that the cross-section is the rectangle, and the both ends of sleeve are open structure, and shearing sword is a metal rod spare that the cross-section is the rectangle, and the inboard of shearing sword is opened perpendicularly has the runner hole that link up; the quick cutting device is fixedly connected to the box body. The utility model has the advantages that: 1) The fast cutting device is made into a cutting module by adopting a modular structure, and can be matched for use according to the quantity of risers and gates of the die; 2) The use is convenient, and the die sinking efficiency is improved; 3) The cutting module is reserved with the containing space of the dead head under cutting, so that the stress-free transmission condition can be realized, the cutting opening is smooth, and the quality of the casting is greatly improved.
Description
Technical Field
The utility model relates to a casting mould technical field, concretely relates to easily clear away mould of casting rising head.
Background
Casting is a very complex system process, and because many influencing factors are involved, the essence of casting process design is to analyze the main influencing factors, find a way to control and then specify the process measures according to the requirements of casting quality. The feeder head is a cavity for storing molten metal one by one, and has the main function of providing molten metal to be compensated due to volume change in the casting forming process so as to prevent shrinkage defects in the casting, and has the functions of exhausting air, scum and non-metallic inclusions. After the casting is made, the riser sections need to be removed from the casting.
The Chinese patent invention with the application number of 201910664394.3 discloses a gold casting die with a pouring gate/riser cutting mechanism, which comprises a movable die and a fixed die which are arranged oppositely, wherein a vertical pouring gate, a horizontal pouring gate, a plurality of product cavities and riser cavities are formed between the movable die and the fixed die, an easily-broken groove forming part is arranged between the product cavities and the riser cavities, an easily-broken feeding gate is arranged between the product cavities and the horizontal pouring gate, two cutting mechanisms are arranged on the outer side wall of the fixed die and are respectively opposite to the riser cavities and the horizontal pouring gate, a plurality of cutter bar holes which are opposite to the riser cavities or the horizontal pouring gate and are communicated with the riser cavities or the horizontal pouring gate are formed in the outer side wall of the fixed die, each cutting mechanism comprises a main mounting plate, and a power connecting rod and a plurality of cutting cutter bars which are respectively and fixedly connected to two sides of the main mounting plate, and each cutting cutter bar is inserted into the corresponding cutter bar hole. The shearing cutter rod of the die can instantly act to cut off the easily broken inlet gate and the riser under the action of external force, so that the casting product is actively separated from the pouring gate and the riser, and the production efficiency is improved. The scheme has the following defects: when the shearing cutter bar, the sprue and the riser have shearing action, the material at the riser is not discharged, so that the material at the riser is in a compression state, the stress of the material is transmitted to a workpiece at the moment, local stress is caused, the casting is deformed or an internal crack is formed, and the quality of the casting is influenced. In addition, a plurality of shearing cutter bars are installed on a main installation plate, and different dies need to be designed and processed independently, so that the requirement of universal interchange cannot be met, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an easily clear away mould of casting rising head, overcome the not enough of prior art, adopt modular structure, will cut the sword, a cutting module is made to runner hole and uide bushing, can be according to the rising head of mould and the supporting use of runner quantity, as the mould on the runner with the standard component of rising head department, leave installation space when the mould design promptly, fix the minimum diameter department at runner and rising head during the equipment, wait the foundry goods pouring design after, can cut off each rising head and runner earlier, the die sinking takes out the foundry goods again, product quality and production efficiency are improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mould easy to remove a casting riser comprises a cope flask, a drag flask and a positioning pin, wherein a sprue and a riser are arranged on the cope flask, and a cavity is positioned in the cope flask; the quick cutting device is fixedly connected to the box body of the cope flask and/or the drag flask.
Furthermore, the shearing knife is provided with a pouring position scale, and when the pouring position scale is level with the outline of the sand box, the runner hole coincides with the riser or the pouring gate.
Furthermore, the length of the guide sleeve is longer than that of the shearing knife by not less than the length of the section of one sprue or riser.
Furthermore, the section of the joint of the handle and the shearing knife is L-shaped or T-shaped.
Further, the guide sleeve is connected with the sand box through gluing or screws.
Furthermore, a cutting edge part is processed on the cutting side of the runner hole on the shearing knife, the cutting angle of the cutting edge part is smaller than 90 degrees, and sawteeth are processed on the cutting edge part.
Furthermore, the root of the handle of the shearing knife is provided with a reset groove, and the reset groove is matched with the reset wedge block.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The cutting knife, the runner hole and the guide sleeve are made into a cutting module by adopting a modular structure, and the cutting module is used as a standard component at an upper sprue and a riser of the die and can be matched with the die according to the number of the risers and the sprue of the die; 2) The mould is convenient to use, an installation space is reserved during mould design, the mould is fixed at the minimum diameter position of a sprue and a riser during assembly, after a casting is poured and shaped, a handle of a shearing knife can be knocked to cut off each riser and the sprue, then the mould is opened to take out the casting, and the mould opening efficiency is improved; 3) The cutting module is reserved with the containing space of the dead head under cutting, so that the stress-free transmission condition can be realized, the cutting opening is smooth, and the quality of the casting is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an external view of FIG. 1;
FIG. 3 is a schematic structural view of a quick-cutting device according to an embodiment of the present invention;
FIG. 4 is an external view of FIG. 3;
fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.
In the figure: 1-shearing knife, 2-runner hole, 3-guide sleeve, 4-fast cutting device, 5-pouring position scale, 6-blade part, 7-resetting groove, 8-resetting wedge block, 9-handle, 10-cope box, 11-drag box, 12-positioning pin, 13-sprue, 14-riser and 15-cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
As shown in fig. 1-4, the embodiment of the mold of the present invention includes a cope flask 10, a drag flask 11 and a positioning pin 12, wherein the cope flask 10 is provided with a gate 13 and a riser 14, a cavity 15 is located in the cope flask 10, the riser 14 is located at the top of the cavity 15 for exhausting and reserving a part of material to cope with shrinkage defects, the gate 13 is communicated with the cavity 15 through a flow channel, and the structure is the prior art. The root part corresponding to the pouring gate, the riser and the cavity is provided with a fast cutting device 4 which comprises a shearing knife 1, a runner hole 2 and a guide sleeve 3, the guide sleeve 3 is a sleeve with a rectangular section, two ends of the sleeve are both open structures, the shearing knife 1 is a metal rod with a rectangular section, the outer side of the shearing knife 1 is provided with a handle 9 for beating, the inner side of the shearing knife 1 is vertically provided with a through runner hole 2, and the section shape and the size of the runner hole 2 are matched with the finest part of the riser or the pouring gate. The quick cutting device 4 is used as a module, the shape and the size of the quick cutting device can be standardized, the quick cutting device can be used interchangeably during manufacturing of the mold, the guide sleeve 3 can be fixedly connected with the sand box through gluing or screws, and the structure is favorable for improving the production efficiency of the mold and reducing the manufacturing cost.
The shearing knife 1 is provided with a pouring position scale 5, and when the pouring position scale 5 is level with the outline of the sand box, the runner hole 2 coincides with a riser or a pouring gate. After the moulds are combined, the shearing knife 1 is pulled out to the position of the pouring position scale 5, and the flow passage hole 2 is unobstructed at the moment.
The length of uide bushing 3 is longer than shearing sword 1 and is no less than the length of the cross-section of a runner or rising head for accomodate the material that downcuts, avoid the material departure to hurt the people. The section of the joint of the handle 9 and the shearing knife 1 is T-shaped, and is used for striking by external force when a dead head or a pouring gate is cut, and the operation is finished when the handle 9 is leaned against the sand box.
Referring to fig. 5, the cutting side of the runner hole 2 on the shearing knife 1 is provided with a blade 6, the cutting angle of the blade 6 is less than 90 degrees, and the blade is provided with sawteeth. The utility model has the advantages that the foundry goods material that the device cutting of cutting fast gets off is that the parallel shears gets off, and is conventional through the extrusion and then cut off, consequently can not form local stress concentration phenomenon to the foundry goods in the die cavity, stress transmission phenomenon to guarantee the quality of foundry goods.
The root of the handle 9 of the shearing knife 1 is provided with a reset groove 7, the reset groove 7 is matched with a reset wedge block 8, and the reset wedge block 8 is used for moving the shearing knife 1 out when the sand box is repeatedly used, so that the mold is repeatedly used.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Claims (7)
1. A mould easy to remove a casting riser comprises a cope flask, a drag flask and a positioning pin, wherein a sprue and a riser are arranged on the cope flask, and a cavity is positioned in the cope flask; the quick cutting device is fixedly connected to the box body of the cope flask and/or the drag flask.
2. The mold of claim 1, wherein the shear knife is provided with a pouring position scale, and when the pouring position scale is flush with the outline of the sand box, the runner hole coincides with the riser or the sprue.
3. The mold for easy removal of a casting riser of claim 1, wherein the length of the guiding sleeve is longer than the length of the cutting blade by not less than one gate or section of the riser.
4. The mold for easily removing the casting riser of claim 1, wherein the cross section of the joint of the handle and the shearing blade is L-shaped or T-shaped.
5. The mold for easy removal of foundry risers as defined in claim 1, wherein said guide sleeves are connected to the sand box by gluing or screws.
6. The mold for easy removal of casting risers as claimed in claim 1, wherein the cutting side of the runner hole of the shear knife is formed with a blade, the cutting angle of the blade is less than 90 degrees, and the blade is formed with saw teeth.
7. The mold for easily removing the casting riser as claimed in claim 1, wherein the root of the shank of the shearing tool is provided with a reset groove, and the reset groove is matched with the reset wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222010148.6U CN217666226U (en) | 2022-08-02 | 2022-08-02 | Easily clear away mould of casting rising head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222010148.6U CN217666226U (en) | 2022-08-02 | 2022-08-02 | Easily clear away mould of casting rising head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217666226U true CN217666226U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222010148.6U Active CN217666226U (en) | 2022-08-02 | 2022-08-02 | Easily clear away mould of casting rising head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217666226U (en) |
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2022
- 2022-08-02 CN CN202222010148.6U patent/CN217666226U/en active Active
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