CN220113790U - EPS blanking cover shaping tool structure - Google Patents
EPS blanking cover shaping tool structure Download PDFInfo
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- CN220113790U CN220113790U CN202321380643.4U CN202321380643U CN220113790U CN 220113790 U CN220113790 U CN 220113790U CN 202321380643 U CN202321380643 U CN 202321380643U CN 220113790 U CN220113790 U CN 220113790U
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- product
- eps
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- positioning ring
- die
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- 238000007493 shaping process Methods 0.000 title description 6
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910000737 Duralumin Inorganic materials 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the field of machining and discloses an EPS plug forming tool structure which comprises an upper die, a positioning ring and a lower die, wherein the upper die is provided with an inner surface forming cavity of a product to be processed, the positioning ring is provided with a working surface matched with a large end surface of the upper section of the product to be processed, and the lower die is provided with an outer surface forming cavity of the product to be processed. The upper die and the positioning ring structure of the tooling structure are arranged separately, so that the product is convenient to demould from the upper die, smooth demould of the product is realized, and the product is not damaged; the lower die is designed into an integrated cavity, so that the existence of product flash is avoided, and the appearance quality of the product is improved; the operation is simple, the tooling processing is convenient, the product quality is reliable, and the consistency is good.
Description
Technical Field
The utility model relates to the field of machining, in particular to an EPS blanking cover forming structure.
Background
The nozzle blocking cover is the closure of the solid rocket engineOne of the key parts, the blocking cover is usually adhered to the surface of the throat part or the expansion section of the tail nozzle by adopting an adhesive, and the main function is to seal and prevent moisture, prevent the solid rocket engine grain and the igniter from being heated and damped, and ensure that the engine can work normally when being stored and fight and fly. The other function is to quickly establish the ignition pressure of the engine, shorten the ignition delay time and ensure the normal ignition of the engine. The application of the light-weight plug cover using EPS (polystyrene resin) as a material in the small-sized engine nozzle plug cover is increasing, and the light-weight plug cover is simple in EPS molding, stable in product quality and good in size and weight consistency. The prior spray pipe blanking cover of a certain model is shown in figure 1, and the density of the blanking cover is required to be 0.35g/cm 3 ±0.03g/cm 3 。
At present, the technology for processing the plugging cover adopts a molding method, EPS granules are filled into a mold, the mold is heated and pressed on a flat vulcanizing machine for molding, the mold is removed after the mold is naturally cooled to room temperature, and the structure of the molding tool is shown in figure 2. The tooling is simple in structure and low in processing cost, the base and the die sleeve are assembled in place when the tooling is used, granules are filled in the die sleeve, then the die is covered, and the tooling is placed on a vulcanizing press to be heated and pressurized for forming. The existing tool is low in production efficiency, is not suitable for batch production, is easy to adsorb on a base when a product is demoulded, is difficult to demould, has the risk of clamping injury or extrusion deformation of the product when the product is demoulded, and in addition, the contact part of the upper die and the product can generate flash to influence the attractiveness of the product.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present utility model aims to provide an EPS closure forming structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an EPS blanking cover shaping frock structure, includes mould 1, holding ring 2 and lower mould 3, go up the mould and be provided with the interior profile shaping die cavity of product to be processed, go up the mould and be fixed a position through holding ring and lower mould, the holding ring is provided with the big terminal surface assorted of the upper segment of product to be processed of substitution work profile, the lower mould is provided with the exterior profile shaping die cavity of product to be processed.
When the EPS type cooling mold is used, the weighed and preheated EPS type cooling mold is filled into a lower mold, then a positioning ring is filled into a lower mold, finally an upper mold is filled into the positioning ring, the EPS type cooling mold is shaken to uniformly disperse the EPS type cooling mold, then the upper mold and the lower mold are fixed by a U-shaped clamp, and the EPS type cooling mold is placed into a boiling water bath to be heated for 1h, and then the EPS type cooling mold is taken out for cooling and demolding.
Preferably, the fixture structure is made of hard aluminum materials, so that the heat transfer efficiency of the fixture can be improved, and the production efficiency of products can be improved.
Further, the EPS blanking cover forming tool structure can be designed into a multi-cavity structure, namely a plurality of lower dies can be arranged in a plane, and a plurality of upper dies and positioning rings are correspondingly arranged at the same time.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The upper die and the positioning ring structure of the tooling structure are arranged separately, so that the product is convenient to demould from the upper die, smooth demould of the product is realized, and the product is not damaged;
(2) The lower die of the tooling structure is designed into an integrated cavity, so that the existence of product flash is avoided, and the appearance quality of the product is improved;
(3) The tool disclosed by the utility model is simple in structure operation, convenient in tool processing, reliable in product quality and good in consistency.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a prior art engine nozzle closure of some type;
FIG. 2 is a schematic view of the blanking cover forming tool shown in FIG. 1;
fig. 3 is a schematic structural diagram of an EPS closure forming tool according to the utility model.
The marks in the figure: 1-upper die, 2-positioning ring, 3-lower die, 4-die sleeve and 5-base.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
As shown in fig. 3, the EPS blanking cover forming tool structure comprises an upper die 1, a positioning ring 2 and a lower die 3, wherein the upper die is provided with an inner surface forming cavity of a product to be processed, the positioning ring is provided with a working surface matched with a large end surface of an upper section of a product to be processed, and the lower die is provided with an outer surface forming cavity of the product to be processed.
Upper die 1: an upper die and a product inner surface forming cavity;
positioning ring 2: the positioning ring is used for molding the large end face of the product and has a position relation with the upper die and the lower die; the upper die and the positioning ring are separated in structure, so that the product is convenient to demold from the upper die, and the product is not damaged;
part 3: the lower die is used for positioning the outer surface forming part of the product and the positioning ring; the lower die is designed into an integrated cavity, so that the existence of product flash is avoided, and the appearance quality of the product is improved.
When the EPS blanking cover forming tool structure is used, the granules are filled into the lower die 3, then the positioning ring 2 is filled into the lower die 3, and finally the upper die 1 is filled into the positioning ring 2 and is shaken to ensure that the granules are uniformly distributed; then the device is clamped by a U-shaped clamp and put into an oven, and the temperature is kept for 1h at 100-110 ℃. Then take out the device (not tear open U type clamp), cool down to room temperature in the basin, then dismantle U type clamp, take out last mould 1 and holding ring 2 together, the product inlays on last mould 1 this moment, then rotate mould 1 and holding ring 2 with the hand for the product separates with last mould 1, weathers the water stain on product and device surface with the air gun at last. By adopting the device provided by the utility model in combination with the method, a plurality of products and even tens of products can be processed at one time, the processing efficiency of the products is greatly improved, the surfaces of the products are good, and the tooling processing is simple. When in use, the U-shaped clamp can be replaced by bolt connection, namely the upper die 1 and the part 3 are connected by bolts.
In this embodiment, the frock structure adopts the duralumin material, can improve frock heat transfer efficiency, improves the production efficiency of product.
The EPS blanking cover shaping tool structure can be designed into a multi-cavity structure of a mould, namely a plurality of lower moulds 3 can be processed in a plane, a plurality of upper moulds 1 can be correspondingly processed at the same time, and the positioning ring 2 can be independently processed, so that a set of moulds can be used for producing a plurality of products.
The EPS jet pipe blanking cover forming method and the tool structure optimize the structure of the tool, solve the problem of difficult demolding, and have good appearance quality and no flash phenomenon. The spray pipe blanking cover of the type shown in fig. 1 can be realized with high precision, the product size is stable, and the device is simple to process. The forming tool is simple in structure, easy to realize, high in product forming quality, convenient to operate and high in practicability.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the utility model.
Claims (3)
1. The EPS blanking cover forming tool structure is characterized by comprising an upper die, a positioning ring and a lower die, wherein the upper die is provided with an inner surface forming cavity of a product to be processed, the upper die is positioned with the lower die through the positioning ring, the positioning ring is provided with a working surface matched with a large end surface of the upper section of the product to be processed, and the lower die is provided with an outer surface forming cavity of the product to be processed.
2. The EPS closure molding tooling structure of claim 1, wherein the tooling structure is of a duralumin material.
3. The EPS plug molding tool structure according to claim 1, characterized in that the EPS plug molding tool structure can be designed as a multi-cavity structure of one mold, i.e. a plurality of lower molds are arranged in one plane, and a plurality of upper molds and positioning rings are correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380643.4U CN220113790U (en) | 2023-06-01 | 2023-06-01 | EPS blanking cover shaping tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380643.4U CN220113790U (en) | 2023-06-01 | 2023-06-01 | EPS blanking cover shaping tool structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220113790U true CN220113790U (en) | 2023-12-01 |
Family
ID=88914512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321380643.4U Active CN220113790U (en) | 2023-06-01 | 2023-06-01 | EPS blanking cover shaping tool structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220113790U (en) |
-
2023
- 2023-06-01 CN CN202321380643.4U patent/CN220113790U/en active Active
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