CN215090488U - Lost foam mold system - Google Patents
Lost foam mold system Download PDFInfo
- Publication number
- CN215090488U CN215090488U CN202120339261.1U CN202120339261U CN215090488U CN 215090488 U CN215090488 U CN 215090488U CN 202120339261 U CN202120339261 U CN 202120339261U CN 215090488 U CN215090488 U CN 215090488U
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- Prior art keywords
- mold
- pipeline
- movable mold
- fixed mold
- movable
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- 239000006260 foam Substances 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 11
- 238000001035 drying Methods 0.000 abstract description 4
- 230000008034 disappearance Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010114 lost-foam casting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a lost foam mold system, which comprises a frame, wherein a mold is arranged on the frame, the mold comprises a fixed mold and a movable mold, the movable mold is provided with a charging hole, the fixed mold is provided with a fixed mold air chamber, the movable mold is provided with a movable mold air chamber, the fixed mold and the movable mold surround to form a molding cavity, the side walls of the cavity of the movable mold and the fixed mold are provided with air plugs communicated with the corresponding air chambers, the movable mold and the fixed mold are also provided with a communicating channel, the side wall of the fixed mold is provided with an inlet, the side wall of the movable mold is provided with an outlet, the bottom sides of the fixed mold and the movable mold are provided with a liquid outlet, the inlet is connected with an external pipeline, the external pipeline comprises a preheating pipeline, a steam pressurizing pipeline and a cooling pipeline, the outlet is connected with an exhaust pipe, the preheating pipeline comprises a drying air generator, a draught fan connected with the drying air generator and a heating mechanism connected on the preheating pipeline, and each pipeline of the external pipeline is provided with a corresponding switch valve, the preheating of the die, the introduction of steam and the cooling operation of the die are realized.
Description
Technical Field
The utility model relates to a disappearance mould system.
Background
The mold for producing the lost foam is a mold for producing the lost foam, and the lost foam also needs some molds for molding in the casting process, but some lost foam casting molds still have certain problems in the use process at present, for example, some lost foam casting molds have poor use functionality, and in the cooling molding of the lost foam, the conventional cooling mode has low efficiency, and the cooling safety of the lost foam is difficult to ensure; in addition, the fixed die and the movable die of the conventional lost foam are not preheated before steam is introduced into the fixed die and the movable die, the steam is condensed and liquefied when being cooled after being introduced into the cavity, the waste of the steam is serious, and the forming quality of the lost foam is influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disappearance mould system to solve among the prior art disappearance mould and not preheat the problem that the steam liquefaction that leads to, extravagant serious and influence the shaping quality before letting in steam.
In order to solve the problem, the utility model relates to a disappearance mould system adopts following technical scheme:
the lost foam mold system comprises a rack, a mold is arranged on the rack, the mold comprises a fixed mold and a movable mold, the movable mold is provided with a feed inlet, the fixed mold is provided with a fixed mold air chamber, the movable mold is provided with a movable mold air chamber, the fixed mold and the movable mold surround to form a cavity, the side walls of the cavities of the movable mold and the fixed mold are provided with air plugs communicated with the corresponding air chambers, the movable mold and the fixed mold are also provided with a communication channel for communicating the fixed mold air chamber and the movable mold air chamber, the side wall of the fixed mold is provided with an inlet communicated with the fixed mold air chamber, the side walls of the movable mold are provided with outlets communicated with the movable mold air chamber, the bottom sides of the fixed mold and the movable mold are provided with liquid discharge ports, the inlet is connected with an external pipeline, the external pipeline comprises a preheating pipeline, a steam pressurizing pipeline and a cooling pipeline which are respectively communicated with the inlets, the outlets are connected with exhaust pipes, the preheating pipeline comprises a drying air generator, a draught fan connected with the drying air generator and a heating mechanism connected on the preheating pipeline, and corresponding switch valves are arranged on the pipelines of the external pipelines.
Furthermore, the inlet is connected with a main pipe, the tail end of the main pipe is connected with a four-way joint, and the preheating pipeline, the steam pressurizing pipeline and the cooling pipeline are respectively connected to three connectors of the four-way joint.
Furthermore, the heating structure comprises a ceramic sleeve sleeved on the main pipe, and a resistance wire is wound on the inner wall of the ceramic sleeve.
Furthermore, the inclined plane of the wall surface of the fixed die and the movable die which are attached to each other is inclined from inside to outside, and the communication channel is formed in the inclined plane.
The utility model has the advantages as follows: compared with the prior art, the lost foam mold system provided by the utility model has the advantages that in the actual use process, the valves on the branch pipelines are closed, the movable mold and the fixed mold are cleaned up, and then the fixed mold and the movable mold are moved relatively to be closed; then a valve of the preheating pipeline is opened, the dry air generator works to dry the outside air, meanwhile, the heating structure works to heat the dry air circulating in the pipeline, the heated dry air enters an air chamber of the mold and is subjected to cavity molding through an air plug to dry residual humid gas and the like in the mold, so that the dryness of the interior is ensured, meanwhile, the interior of the mold is preheated, the phenomenon that the introduced steam is liquefied when being cooled is avoided, and the time for re-foaming is shortened; then closing the preheating pipeline, feeding materials into the mold, and after the feeding is finished, opening a steam pipeline valve to perform an autoclaved molding process; and finally, after the molding, introducing water into the mold through a cooling pipeline, and cooling the mold. The whole process can realize all operations only by externally connecting a pipeline, the structure is simple, further, heated dry air enters the cavity through the air plug, and water vapor in the cavity is dried, so that the dryness in the cavity is ensured; meanwhile, the fixed die is communicated with the movable die, so that the preheating of the die, the introduction of steam and the cooling operation of the die can be realized more quickly and completely; and the cooled water can be directly discharged through the communication channel, so that the operation is more convenient.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
fig. 1 is a schematic structural view of a specific embodiment of the lost foam mold system of the present invention;
description of reference numerals: 1-a frame; 2-fixing the mold; 3-moving the mold; 4-air lock; 5-moving the air chamber; 6-fixing the air chamber; 7-forming a cavity; 8-a communication channel; 9-main pipe; 10-a preheating pipeline; 11-a steam line; 12-a cooling circuit; 13-a switching valve; 14-a dry air generator; 15-a draught fan; 16-heating structure.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
The utility model relates to a concrete embodiment of disappearance mould system, disappearance mould system include frame 1, are equipped with the mould in the frame 1, and the mould commodity is connected with external pipe-line system. The die comprises a fixed die 2 and a movable die 3, wherein the fixed die 2 is fixed on a rack 1, the movable die 3 is assembled on the rack 1 through a driving mechanism such as a screw rod or a hydraulic cylinder in a guiding manner, the movable die 3 moves downwards to realize die assembly with the fixed die 2, and the movable die moves upwards to realize die opening with the fixed die 2. Be equipped with the charge door on the movable mould 3, the upper end of charge door is connected with the filling tube, and the filling tube is connected with the curing storehouse that corresponds, through the feed of curing storehouse.
The movable mold 3 is internally provided with a movable mold air chamber 5, the bottom side of the movable mold 3 is provided with a movable mold 3 cavity, the movable mold air chamber 5 and the movable mold 3 cavity are mutually separated, and an air plug 4 is arranged on the separating wall; a fixed die air chamber 6 is arranged in the fixed die 2, a fixed die 2 cavity is arranged on the top side of the fixed die 2, and an air plug 4 is also arranged on the separation side wall between the fixed die 2 cavity and the fixed die air chamber 6; wherein, the cavity of the fixed die 2 and the cavity of the movable die 3 form a molding cavity 7 when the dies are relatively closed, so that materials can be filled in the molding cavity to expand and extrude the molding cavity. The movable mould 3 still is equipped with the intercommunication passageway 8 that is used for communicateing cover half air chamber 6 and movable mould air chamber 5 in the cover half 2, and in this embodiment, intercommunication passageway 8 is the pore structure, sets up on the lateral wall that movable mould 3 and cover half 2 compound die were laminated, and when movable mould 3 and cover half 2 compound die, two hole intercommunications constitute intercommunication passageway 8. In addition, an inlet communicated with the fixed mold air chamber 6 is arranged on the side wall of the fixed mold 2, an outlet communicated with the movable mold air chamber 5 is arranged on the side wall of the movable mold 3, and liquid discharge ports are arranged at the bottom sides of the fixed mold 2 and the movable mold 3.
In addition, an external pipeline, namely a pipeline system, is connected to the inlet, the external pipeline includes a preheating pipeline 10, a steam pressurizing pipeline and a cooling pipeline 12 which are respectively communicated with the inlet, and an exhaust pipeline is connected to the outlet.
Specifically, the preheating pipeline 10 comprises a dry air generator 14, an induced draft fan 15 connected with the dry air generator 14, and a heating structure 16 connected to the preheating pipeline 10; the steam pipeline 11 is externally connected with high-temperature high-pressure steam, the cooling pipeline 12 is externally connected with a cooling water tank, and meanwhile, corresponding switch valves 13 are arranged on all the pipelines of the externally connected pipelines.
Furthermore, in order to ensure the compactness of the structure and the uniformity of control, a main pipe 9 is connected to an inlet, a four-way joint is connected to the tail end of the main pipe 9, and a preheating pipeline 10, a steam pressurizing pipeline and a cooling pipeline 12 are respectively connected to three interfaces of the four-way joint.
In the embodiment, the heating structure 16 includes a ceramic sleeve sleeved on the main pipe 9, and a resistance wire is wound around an inner wall of the ceramic sleeve.
Under the normal working state, closing valves on all branch pipelines, cleaning the movable mold 3 and the fixed mold 2, and then relatively moving the fixed mold and the movable mold 3 to mold; then a valve of the preheating pipeline 10 is opened, the dry air generator 14 works to dry outside air, the heating structure 16 works to heat dry air circulating in the pipeline, the heated dry air enters an air chamber of the mold and is subjected to cavity molding through the air plug 4 to dry residual humid gas and the like in the mold, so that the dryness of the interior is ensured, the interior of the mold is preheated, the phenomenon that introduced steam is liquefied when being cooled is avoided, and the time for re-foaming is shortened; then the preheating pipeline 10 is closed, feeding is carried out in the mould, and after feeding is finished, a valve of a steam pipeline 11 is opened, and an autoclaved forming process is carried out; finally, after molding, water is introduced into the mold through the cooling pipeline 12, and the mold is cooled.
In order to ensure the accuracy of mold closing and the smooth discharge of cooling water, the inclined surface of the wall surface of the fixed mold and the movable mold 3 is inclined from inside to outside, and the communication channel 8 is formed on the inclined surface. Meanwhile, liquid discharge ports are formed in other positions of the bottom sides of the movable mold 3 and the fixed mold 2, so that the coolant can be discharged quickly and effectively.
Of course, in other embodiments, the heating structure 16 may be directly provided as a heating wire, or may also be heated by baking or the like; in other embodiments, the preheating pipeline 10 and the steam pipeline 11 may share the same main pipe 9, and the cooling pipeline 12 may be additionally provided.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (4)
1. A lost foam mold system is characterized by comprising a rack, wherein a mold is arranged on the rack, the mold comprises a fixed mold and a movable mold, the movable mold is provided with a feed inlet, the fixed mold is provided with a fixed mold air chamber, the movable mold is provided with a movable mold air chamber, the fixed mold and the movable mold surround to form a cavity, the side walls of the cavity of the movable mold and the fixed mold are provided with air plugs communicated with corresponding air chambers, the movable mold and the fixed mold are also provided with a communication channel for communicating the fixed mold air chamber and the movable mold air chamber, the side wall of the fixed mold is provided with an inlet communicated with the fixed mold air chamber, the side walls of the movable mold are provided with an outlet communicated with the movable mold air chamber, the bottom sides of the fixed mold and the movable mold are provided with liquid discharge ports, the inlet is connected with an external pipeline, the external pipeline comprises a preheating pipeline, a steam pressurizing pipeline and a cooling pipeline which are respectively communicated with the inlet, the outlet is connected with an exhaust pipe, the preheating pipeline comprises a dry air generator, a draught fan connected with the dry air generator and a heating mechanism connected on the preheating pipeline, and corresponding switch valves are arranged on the pipelines of the external pipelines.
2. A lost foam mold system as recited in claim 1, wherein a main pipe is connected to the inlet, a four-way joint is connected to the tail end of the main pipe, and the preheating pipe, the steam pressurizing pipe and the cooling pipe are connected to three ports of the four-way joint, respectively.
3. A lost foam mold system as recited in claim 2, wherein the heating structure comprises a ceramic sleeve disposed around the main tube, and a resistance wire is wound around an inner wall of the ceramic sleeve.
4. A lost foam mold system as recited in any one of claims 1 to 3, wherein the wall surface to which the fixed mold and the movable mold are attached has an inclined surface inclined from the inside to the outside, and the communication passage is provided on the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339261.1U CN215090488U (en) | 2021-02-07 | 2021-02-07 | Lost foam mold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339261.1U CN215090488U (en) | 2021-02-07 | 2021-02-07 | Lost foam mold system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215090488U true CN215090488U (en) | 2021-12-10 |
Family
ID=79334681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339261.1U Expired - Fee Related CN215090488U (en) | 2021-02-07 | 2021-02-07 | Lost foam mold system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215090488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872257A (en) * | 2022-04-14 | 2022-08-09 | 宝鸡法士特齿轮有限责任公司 | Heating and cooling structure of lost foam mold |
-
2021
- 2021-02-07 CN CN202120339261.1U patent/CN215090488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872257A (en) * | 2022-04-14 | 2022-08-09 | 宝鸡法士特齿轮有限责任公司 | Heating and cooling structure of lost foam mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |