CN220216655U - Loose piece for mold - Google Patents
Loose piece for mold Download PDFInfo
- Publication number
- CN220216655U CN220216655U CN202321023632.0U CN202321023632U CN220216655U CN 220216655 U CN220216655 U CN 220216655U CN 202321023632 U CN202321023632 U CN 202321023632U CN 220216655 U CN220216655 U CN 220216655U
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- Prior art keywords
- sub
- core
- movable block
- movable blocks
- movable
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- 239000004927 clay Substances 0.000 abstract description 21
- 238000005266 casting Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Abstract
The utility model relates to a movable block for a mold, and belongs to the technical field of casting molds. In order to solve the problems that when a movable block is adopted for core making in the prior art, a plurality of movable blocks are combined into a whole, after the core is formed, the movable blocks cannot be effectively taken out and the movable blocks are connected unstably, so that the forming quality of the clay core is poor. The movable block assembly comprises a plurality of sub-movable blocks and fixing pieces, wherein the sub-movable blocks are sequentially connected one by one and are connected into a whole through the fixing pieces to form a movable block assembly; the connecting surface of every two adjacent sub-movable blocks is provided with a guide groove, and the slotting direction of the guide groove is consistent with the taking-out direction of one sub-movable block from the mold core; the movable block assembly is arranged in a cavity of the core mold, the core movable block assembly is formed after the core is molded, and a plurality of sub movable blocks are taken out from the core movable block assembly one by one along the guide groove. This application forms the loose piece assembly with a plurality of sub loose pieces through setting up guide way and mounting between the sub loose piece, connects firmly, and the core shaping back, the sub loose piece of being convenient for takes out.
Description
Technical Field
The application relates to a loose piece for mould belongs to casting mould technical field.
Background
The hot core box core making process includes injecting sand material compounded with casting sand, thermosetting resin and curing agent into core box with heater to heat the core box to 180-250 deg.c, and setting the sand material to harden in short time to form core without stoving in a stoving furnace. Moreover, as long as the surface layer of the sand core is hardened by 5-10 mm, the sand core can be taken out from the core box, and the core sand in the central part can harden the residual sand by itself under the action of the residual heat and the heat released by the hardening reaction, thereby providing a very effective method for rapidly producing the medium-small sand core with high dimensional accuracy (the maximum wall thickness of the sand core is generally 50-75 mm).
With the development of the turbocharger industry, higher demands are placed on the turbine housing, a core component in the turbocharger, wherein the design of the turbine housing flow channels also becomes complex. The complexity of the turbine shell runner makes the runner mold used for casting become complex, and especially, a hot core box mold is used for manufacturing a runner clay core, so that in order to ensure that the runner clay core is manufactured, a movable block needs to be designed on the mold at the position with complex structure, thereby ensuring the normal demolding of the runner clay core, and then the movable block is taken out from the clay core to obtain the complete clay core. In order to facilitate the manufacture of the clay core, two or even a plurality of loose pieces are needed to be combined together for use at part positions of the mould cavity of the hot core box, the loose pieces are needed to be integrated before sand shooting, but the loose pieces are combined into a whole, after the mold core is formed, the clay core cannot be completely taken out from the clay core due to complex structure and large volume, in the prior art, the clay core is frequently taken out manually, the formed clay core is easy to damage, the clay core is required to be repaired later, and the production efficiency is low. Simultaneously, a plurality of loose pieces are combined into a whole, and in the sand shooting process, the connection among the loose pieces is displaced due to sand shooting pressure, so that the sand core forming quality is caused. Therefore, a movable block for a mold is needed to solve the problems that when a movable block is adopted to manufacture a core in the prior art, a plurality of movable blocks are combined into a whole, after the core is molded, the movable block cannot be effectively taken out, the connection of the movable blocks is unstable, and the molding quality of a clay core is poor.
Disclosure of Invention
To the problem and the not enough that exist among the prior art, this application provides a loose piece for mould to connect a plurality of sub loose pieces as an organic wholely through setting up guide way and mounting between sub loose piece, form the loose piece assembly. The connecting stability between the sub loose pieces is improved through the fixing piece, loose piece displacement can not occur during sand shooting, and the shaping quality of the clay core is improved. Through setting up the guide way, be convenient for behind the loam core shaping, take out sub loose piece one by one, can not damage the loam core, production efficiency is high.
In order to achieve the above purpose, the present application provides the following technical solutions: the movable block for the die comprises a plurality of sub-movable blocks and fixing pieces, wherein the sub-movable blocks are sequentially connected one by one and are connected into a whole through the fixing pieces to form a movable block assembly; the connecting surface of every two adjacent sub-movable blocks is provided with a guide groove, and the slotting direction of the guide groove is consistent with the taking-out direction of one sub-movable block from the mold core; the movable block assembly is arranged in a cavity of the core mold, the core movable block assembly is formed after the core is molded, and a plurality of sub movable blocks are taken out from the core movable block assembly one by one along the guide groove.
Specifically, the number of the sub-movable blocks is two; the connecting surface of the two sub-movable blocks is provided with a guide groove, and the connecting surface is provided with a fixing piece.
Specifically, the guide groove is a concave-convex groove.
Specifically, the concave-convex groove is a dovetail groove; one of the two sub-movable blocks is provided with a convex dovetail groove on the connecting surface, and the other sub-movable block is provided with a concave dovetail groove which is matched with the convex dovetail groove at the corresponding position of the connecting surface. The concave-convex dovetail grooves are arranged as the guide grooves, so that the sub-movable blocks can be positioned and connected quickly, and the sub-movable blocks are connected into a whole by matching with the fixing piece, so that when the core is made, the plurality of sub-movable blocks are integrally placed into the die cavity, and the forming quality of the clay core is ensured. And after the molding, the sub-movable blocks can be conveniently taken down from the clay cores one by one, and the arrangement of the dovetail grooves can also ensure that the sub-movable blocks are taken out to have good guiding and limiting functions in the taking-out process, so that the clay cores are not damaged.
Specifically, the fixing piece is a magnetic piece. The magnetic piece is used as a fixing piece, so that magnetism of the magnetic piece is utilized to magnetically adsorb the movable block. In actual production, when the movable block is made of iron-containing materials, a magnetic piece can be arranged on one side of the sub-movable block so as to magnetically adsorb the other sub-movable block, thereby achieving the fixing effect. Or the two sub-movable blocks are respectively provided with the magnetic parts, so that the purpose of mutual adsorption is achieved, and the magnetic adsorption force is improved. When the movable blocks are made of iron-free materials, magnetic pieces are required to be respectively arranged on the two sub-movable blocks so as to achieve the purpose of mutual magnetic adsorption.
Specifically, one of the two sub-movable blocks is provided with a plurality of mounting holes on the connecting surface, and a magnetic piece is arranged in each hole; the other sub-movable block is provided with a corresponding mounting hole at a position corresponding to the mounting hole of the connecting surface, and the same magnetic piece is mounted in the hole; the two sub-movable blocks are connected into a whole through the magnetic piece of the connecting surface.
Specifically, the magnetic member is a high-temperature magnet.
Compared with the prior art, the beneficial effect of this application lies in:
this application is through setting up unsmooth formula dovetail and magnetism mounting between sub loose pieces to the realization is as an organic whole with a plurality of sub loose pieces connection, guarantees before penetrating sand, and a plurality of sub loose pieces are put into the die cavity as a whole, and when penetrating sand, connect firmly between the sub loose pieces, can not take place the displacement, in order to improve the core shaping quality.
On the basis of the above, the slotting direction of the dovetail groove is consistent with the taking-out direction of one sub-movable block from the core, so that after the clay core is molded, the sub-movable blocks are conveniently taken out from the clay core one by one, the clay core cannot be damaged, the clay core can be directly cast in the follow-up mode, and the production efficiency is high.
Drawings
FIG. 1 is a schematic view of a movable block for a mold according to the present embodiment;
fig. 2 is a schematic view of a structure of a sub-block forming block assembly of the block for a mold according to the present embodiment;
FIG. 3 is a side view showing the structure of a sub-flap forming flap assembly of the die-use flap of the present embodiment;
FIG. 4 is a schematic diagram showing an exploded structure of the loose piece assembly according to the present embodiment;
fig. 5 is a schematic view showing a structure of a die-block and core-forming core-block assembly according to the present embodiment.
In the figure: 1. a sub-movable block; 1-1, a first sub-movable block; 1-2, a second sub-movable block; 2. a fixing member; 3. a guide groove; 4. a core mold; 5. a core loose piece assembly.
Detailed Description
The present application will be further elucidated below in connection with the drawings in the embodiments of the present application.
Referring to fig. 1-4, the embodiment discloses a movable block for a mold, which comprises a plurality of sub-movable blocks 1 and fixing pieces, wherein the sub-movable blocks are sequentially connected one by one and are connected into a whole through the fixing pieces 2 to form a movable block assembly; the connecting surface of every two adjacent sub-movable blocks is provided with a guide groove 3, and the slotting direction of the guide groove 3 is consistent with the taking-out direction of one sub-movable block from the mold core; the movable block assembly is arranged in the cavity of the core mould 4, after the core is formed, the core movable block assembly 5 is formed, and a plurality of sub-movable blocks are taken out from the core movable block assembly one by one along the guide groove.
Further, the number of the sub-movable blocks 1 is two, namely a first sub-movable block 1-1 and a second sub-movable block 1-2; the connecting surface of the two sub-movable blocks 1 is provided with a guide groove 3, and the connecting surface is provided with a fixing piece 2.
Further, the guide groove 3 is a concave-convex groove.
Further, the concave-convex groove is a dovetail groove; the first sub-movable block 1-1 of the two sub-movable blocks is provided with a convex dovetail groove on the connecting surface, and the second sub-movable block 1-2 is provided with a concave dovetail groove which is matched with the convex dovetail groove at the corresponding position of the connecting surface.
Further, the fixing member 2 is a magnetic member.
Further, one of the two sub-movable blocks is provided with a plurality of mounting holes on the connecting surface, and a magnetic piece is arranged in each hole; the other sub-movable block is provided with a corresponding mounting hole at a position corresponding to the mounting hole of the connecting surface, and the same magnetic piece is mounted in the hole; the two sub-movable blocks are connected into a whole through the magnetic piece of the connecting surface.
Further, the magnetic member is a high temperature magnet.
Working principle: 1. the core mold of the embodiment is a turbine shell runner core mold, and two core cavities are arranged in one mold; before the movable block for the mold is used, the first sub-movable block and the second sub-movable block are connected through concave-convex matching of the dovetail groove, and the two sub-movable blocks are combined into a movable block combination body under the magnetic adsorption of the high-temperature magnet. And then the working procedures of heating, sand shooting, cooling and solidifying the mould are carried out, so as to obtain the movable block assembly of the core.
2. After the core loose piece assembly is completed, the core loose piece assembly is taken out of the die after being cooled, and then the first sub loose piece is taken out of the core loose piece assembly along the slotting direction of the dovetail groove. With the first sub-block being removed, an installation cavity of the first sub-block is formed in the core block assembly, and then the second sub-block can be moved to the installation cavity of the first sub-block and then removed. Thus obtaining the final formed loam core.
While the embodiments of the present application have been described in detail with reference to the examples, the present application is not limited to the above embodiments, and it will be apparent to one skilled in the art that several equivalent changes and substitutions can be made therein without departing from the principles of the present application, and such equivalent changes and substitutions should also be considered to be within the scope of the present application.
Claims (7)
1. The utility model provides a loose piece for mould, includes a plurality of sub loose piece and mounting, its characterized in that: the sub-loose pieces are sequentially connected one by one and are connected into a whole through the fixing piece to form a loose piece assembly; the connecting surface of every two adjacent sub-movable blocks is provided with a guide groove, and the slotting direction of the guide groove is consistent with the taking-out direction of one sub-movable block from the mold core; the movable block assembly is arranged in a cavity of the core die, the core movable block assembly is formed after the core is formed, and a plurality of sub movable blocks are taken out from the core movable block assembly one by one along the guide groove.
2. A loose piece for a mold according to claim 1, characterized in that: the number of the sub-movable blocks is two; the connecting surface of the two sub-movable blocks is provided with the guide groove, and the connecting surface is provided with a fixing piece.
3. A loose piece for a mold according to claim 2, characterized in that: the guide groove is a concave-convex groove.
4. A loose piece for a mold according to claim 3, wherein: the concave-convex groove is a dovetail groove; one of the two sub-movable blocks is provided with a convex dovetail groove on the connecting surface, and the other sub-movable block is provided with a concave dovetail groove which is matched with the convex dovetail groove at the corresponding position of the connecting surface.
5. A loose piece for a mold according to claim 4, wherein: the fixing piece is a magnetic piece.
6. A loose piece for a mold according to claim 5, wherein: one of the two sub-movable blocks is provided with a plurality of mounting holes on the connecting surface, and the magnetic piece is mounted in the holes; the other sub-movable block is provided with a corresponding mounting hole at a position corresponding to the mounting hole of the connecting surface, and the same magnetic piece is mounted in the hole; the two sub-movable blocks are connected into a whole through the magnetic piece of the connecting surface.
7. A loose piece for a mold according to claim 5, wherein: the magnetic piece is a high-temperature magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023632.0U CN220216655U (en) | 2023-04-27 | 2023-04-27 | Loose piece for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023632.0U CN220216655U (en) | 2023-04-27 | 2023-04-27 | Loose piece for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220216655U true CN220216655U (en) | 2023-12-22 |
Family
ID=89183751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023632.0U Active CN220216655U (en) | 2023-04-27 | 2023-04-27 | Loose piece for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220216655U (en) |
-
2023
- 2023-04-27 CN CN202321023632.0U patent/CN220216655U/en active Active
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