CN220464622U - Die casting exhaust mechanism - Google Patents
Die casting exhaust mechanism Download PDFInfo
- Publication number
- CN220464622U CN220464622U CN202322106691.0U CN202322106691U CN220464622U CN 220464622 U CN220464622 U CN 220464622U CN 202322106691 U CN202322106691 U CN 202322106691U CN 220464622 U CN220464622 U CN 220464622U
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- CN
- China
- Prior art keywords
- exhaust
- die
- die casting
- gas
- lower bolster
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- 238000004512 die casting Methods 0.000 title claims description 11
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims 6
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Casting Devices For Molds (AREA)
Abstract
The utility model relates to the technical field of mold exhaust, and discloses a mold casting exhaust mechanism, which comprises a top plate, wherein an upper template is fixedly arranged at the bottom of the top plate, an exhaust channel is arranged in the upper template, a mounting groove is arranged at the bottom of the exhaust channel, air inlet holes are movably arranged at the inner sides of the mounting groove, positioning pins are fixedly arranged at the bottoms of the left side and the right side of the upper template, the positioning pins are assembled with a lower template through clamping tenons, an air inlet groove is formed in the lower template, a motor is arranged outside the right side of the air inlet groove, and a bottom plate is arranged at the bottom of the lower template. The exhaust device can be arranged on the inner side of the grinding tool and in direct contact with a product, when the die is pressed, gas flows out from the gas inlet hole, when the air in the grinding tool is pumped out, the gas inlet hole is in a forbidden state, at the moment, the gas inlet hole is a plane, the product is not pressed, the high reducibility is achieved, and the gas flows out from the gas outlet through the extrusion mode, so that the protection effect is achieved.
Description
Technical Field
The utility model relates to the technical field of mold exhaust, in particular to a mold casting exhaust mechanism.
Background
In the aviation field, the requirement on the precision of a workpiece is higher, so that the requirement on the precision of a die is more severe in the manufacturing process of the workpiece, the exhaust of an aviation injection die is a critical problem in the die design, and the poor exhaust can cause a plurality of problems such as air hole cavities, scorching, bubbles, surface silver marks, obvious welding lines and the like, and the problems can directly influence the safety of the workpiece in use.
The existing injection mold has the following exhaust mode; exhaust channels or holes, parting surfaces, insert gaps, ejector rods or ejector pin gaps, powder sintered alloy blocks, vacuum exhaust machines and the like, wherein the exhaust channels can only be opened along the parting surfaces, and are not suitable for the high-precision field of aviation workpieces; the utility model uses the insert gap to squeeze and the ejector rod or the ejector rod gap to exhaust, the exhaust gap is small, the exhaust effect is poor, so the product of the utility model installs the silicon rubber semi-closed exhaust hole in the exhaust hole, and can well solve the bad exhaust of the mould and the silver streak on the surface.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defect of the prior art, the utility model provides a mold casting exhaust mechanism, which is difficult to exhaust in the mold processing design process, if the exhaust hole is formed in the plastic groove, the surface of a commodity is marked, and aiming at the defect, the product designs the exhaust hole into a plastic semi-sealing mechanism, when gas is extruded, the exhaust hole is exhausted from a plastic exhaust hole, and when no gas exists in the plastic groove, the plastic exhaust hole is restored, so that the product is not influenced.
(II) technical scheme
In order to achieve the purposes of exhausting and protecting products, the utility model provides the following technical scheme: the utility model provides a mould foundry goods exhaust mechanism, includes the roof, roof bottom fixed mounting has the cope match-plate pattern the inside exhaust passage of having seted up of cope match-plate pattern, the mounting groove has been seted up to the bottom of exhaust passage, the inboard movable mounting of mounting groove has into the gas pocket, both sides bottom fixed mounting has the locating pin about the cope match-plate pattern, the locating pin assembles with the lower bolster through the trip, gas flow passage has been seted up to the inside of lower bolster, gas flow passage's right side outside is equipped with the motor, the bottom plate is installed to the bottom of lower bolster.
As a preferable technical scheme of the utility model, seven air inlet holes are formed in the inner side of the exhaust channel from left to right through threaded connection.
As a preferable technical scheme of the utility model, the air inlet hole is integrally die-cast through a die.
As a preferable technical scheme of the utility model, the lower die plate is internally provided with the gas flow channels which are respectively arranged at the left side and the right side of the lower die plate, and the inner sides of the upper die plate and the lower die plate are provided with the gas injection ports at the two sides of the die groove, so that the inflow and the outflow of gas are facilitated.
As a preferable technical scheme of the utility model, the upper template is connected with the top plate through a bolt, and the upper template can be manually replaced to realize different mould processing.
As a preferable technical scheme of the utility model, the motor is provided with the blades, and positive and negative pressure in the die can be regulated by regulating the positive and negative rotation of the motor.
As a preferable technical scheme of the utility model, the left and right fixing installation of the bottom of the upper template is provided with the positioning pins which are of steel structures and assembled with the clamping tenons to form a positioning effect.
(III) beneficial effects
Compared with the prior art, the utility model provides a die casting exhaust mechanism, which comprises the following components
The beneficial effects are that:
the exhaust device can be arranged on the inner side of the grinding tool and in direct contact with a product, when the die is pressed, gas flows out from the gas inlet hole, when the air in the grinding tool is pumped out, the gas inlet hole is in a forbidden state, at the moment, the gas inlet hole is a plane, the product is not pressed, the high reducibility is achieved, and the gas flows out from the gas outlet through the extrusion mode, so that the protection effect is achieved.
Drawings
FIG. 1 is a schematic diagram of a mold structure according to the present utility model;
FIG. 2 is a schematic view of the structure of the air inlet hole of the present utility model.
Fig. 3 is a schematic diagram of a press-fit structure of a mold according to the present utility model.
In the figure: 1. a top plate; 2. an upper template; 3. an exhaust passage; 4. an air inlet hole; 5. a positioning pin; 6. a lower template; 7. a clamping tenon; 8. a motor; 9. a gas flow channel; 10. a bottom plate; 11. and a mounting groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, an exhaust mechanism for die castings comprises a top plate 1, an upper die plate 2 is fixedly arranged at the bottom of the top plate 1, an exhaust channel 3 is formed in the upper die plate 2, a mounting groove 11 is formed in the bottom of the exhaust channel 3, air inlet holes 4 are movably arranged on the inner sides of the mounting groove 11, positioning pins 5 are fixedly arranged at the bottoms of the left side and the right side of the upper die plate 2, the positioning pins 5 are assembled with a lower die plate 6 through clamping tenons 7, a gas flow channel 9 is formed in the lower die plate 6, a motor 8 is arranged outside the right side of the gas flow channel 9, and a bottom plate 10 is arranged at the bottom of the lower die plate 6.
In this embodiment, the inner side of the exhaust passage 3 is provided with seven air inlet holes 4 from left to right through screw threads.
In this embodiment, the air inlet holes 4 are integrally die-cast by a die.
In this embodiment, the lower die plate 6 is provided with a gas flow channel 9 inside, the gas flow channels 9 are respectively provided on the left and right sides of the lower die plate 6, and gas injection ports are provided on the two sides of the inner sides of the upper die plate 2 and the lower die plate 6, which are in favor of the inflow and outflow of gas.
In this embodiment, the upper die plate 2 is connected with the top plate 1 through a bolt, and different die processing can be realized by manually replacing the upper die plate 2.
In this embodiment, the motor 8 is provided with blades, and the positive and negative pressure in the die can be adjusted by adjusting the positive and negative rotation of the motor 8.
In this embodiment, the left and right fixing mounting of the bottom of the upper template 2 is a steel structure, and the locating pins 5 are assembled with the clamping tenons 7 to form a locating effect.
The working principle is as follows;
before plastic enters a die, the inside of the die is not empty, the inside of a die cavity is filled with air, in order to produce a good product, the air in the die must be quickly escaped, an air outlet in an injection die should smoothly discharge the air, but the molten plastic cannot be discharged, the working principle of the product is just like water injection in a water pipe, when the liquid flows into a grinding tool, the gas in the die flows out from an air inlet 4, at the moment, sand sound is heard at the air outlet, and when the sound disappears, the air is exhausted, when the liquid completes molding, a motor 8 starts to work, the gas is input into a pipeline from two sides of the die, and the product is blown out from the die, so that the whole work flow is completed.
Has the beneficial effects that;
the exhaust device can be arranged on the inner side of the grinding tool and is in direct contact with a product, the exhaust device can be in a plane when in a forbidden state, the product is not crushed, the exhaust device has strong reducibility, and gas can flow out of the exhaust port in an extrusion mode, so that the protection effect is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mould foundry goods exhaust mechanism, includes roof (1), its characterized in that: the top plate (1) bottom fixed mounting has cope match-plate pattern (2.) cope match-plate pattern (2) inside has seted up exhaust passage (3), mounting groove (11) have been seted up to the bottom of exhaust passage (3), the inboard movable mounting of mounting groove (11) has into gas pocket (4), both sides bottom fixed mounting has locating pin (5) about cope match-plate pattern (2), locating pin (5) are assembled with lower bolster (6) through trip (7), gas flow channel (9) have been seted up to the inside of lower bolster (6), motor (8) are equipped with in the right side outside of gas flow channel (9), bottom plate (10) are installed to the bottom of lower bolster (6).
2. A die casting venting mechanism as defined in claim 1, wherein: seven air inlet holes (4) are formed in the inner side of the exhaust channel (3) from left to right through threaded connection.
3. A die casting venting mechanism as defined in claim 1, wherein: the air inlet hole (4) is formed by integral die casting through a die.
4. A die casting venting mechanism as defined in claim 1, wherein: the inside of lower bolster (6) has offered gas flow channel (9), gas flow channel (9) are offered respectively in the left and right sides of lower bolster (6), the gas injection mouth has been offered to the both sides that lie in the mould groove of the inboard of cope match-plate pattern (2) and lower bolster (6), are favorable to the inflow and the outflow of gas.
5. A die casting venting mechanism as defined in claim 1, wherein: the upper template (2) is connected with the top plate (1) through a bolt, and the upper template (2) can be manually replaced to realize different die processing.
6. A die casting venting mechanism as defined in claim 1, wherein: the motor (8) is provided with blades, and positive and negative pressure in the die can be regulated by regulating the positive and negative rotation of the motor (8).
7. A die casting venting mechanism as defined in claim 1, wherein: the left and right fixed mounting of the bottom of the upper template (2) is provided with a locating pin (5) which is of a steel structure and is assembled with a clamping tenon (7) to form a locating effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106691.0U CN220464622U (en) | 2023-08-07 | 2023-08-07 | Die casting exhaust mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106691.0U CN220464622U (en) | 2023-08-07 | 2023-08-07 | Die casting exhaust mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464622U true CN220464622U (en) | 2024-02-09 |
Family
ID=89781155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322106691.0U Active CN220464622U (en) | 2023-08-07 | 2023-08-07 | Die casting exhaust mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464622U (en) |
-
2023
- 2023-08-07 CN CN202322106691.0U patent/CN220464622U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |