CN212920135U - Polyurethane cellular pad casting mold - Google Patents
Polyurethane cellular pad casting mold Download PDFInfo
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- CN212920135U CN212920135U CN202021772417.7U CN202021772417U CN212920135U CN 212920135 U CN212920135 U CN 212920135U CN 202021772417 U CN202021772417 U CN 202021772417U CN 212920135 U CN212920135 U CN 212920135U
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Abstract
The application relates to a polyurethane cushion casting mold, which comprises a lower mold, wherein a mold cavity is arranged on the upper surface of the lower mold, an inner mold is fixedly connected to the lower surface of the inner wall of the mold cavity, an upper mold is arranged on the lower mold, a sprue gate is arranged on the upper surface of the upper mold, a casting ring is fixedly connected to the lower surface of the upper mold, the upper mold comprises a first half mold and a second half mold, first ring grooves are respectively arranged on the lower surfaces of the first half mold and the second half mold, a second ring groove is arranged on the upper surface of the lower mold, the lower surfaces of the first half mold and the second half mold are tightly abutted against the lower surface of the inner wall of the second ring groove, the upper mold is arranged into the first half mold and the second half mold, the inner walls of the first ring grooves on the lower surfaces of the first half mold and the second half mold are tightly abutted against the inner wall of the second ring groove, and the, the operation is convenient, the installation of the upper die by an operator is facilitated, and the demoulding of the operator is facilitated.
Description
Technical Field
The application relates to a mould, especially relates to a polyurethane meta-pad casting mould.
Background
All known as polyurethanes. A polymer compound. This was produced in 1937 by o. Polyurethanes fall into the two main categories of polyester and polyether. They can be made into polyurethane plastics (mainly foamed plastics), polyurethane fiber (Chinese called spandex), polyurethane rubber and elastomer.
The soft Polyurethane (PU) mainly has a thermoplastic linear structure, has better stability, chemical resistance, rebound resilience and mechanical property than PVC foaming materials, and has smaller compression deformability. Good heat insulation, sound insulation, shock resistance and gas defense performance. Therefore, the product is used as a packaging, sound insulation and filtering material. The hard PU plastic has the advantages of light weight, excellent sound insulation and heat insulation performance, chemical resistance, good electrical property, easy processing and low water absorption rate. It is mainly used as a heat-insulating structural material in the building, automobile and aviation industries. The polyurethane elastomer has the performance between that of plastic and rubber, and has the advantages of oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and elasticity. Is mainly used in the shoe making industry and the medical industry. The polyurethane can also be used for preparing adhesives, coatings, synthetic leather and the like.
When polyurethane is used as a raw material for pouring some elements, melted polyurethane is poured into a mold, an upper mold and a lower mold of the existing mold are integrated, after the upper mold is installed on the lower mold, the upper mold can be separated from the lower mold by a large force after pouring is finished, and an operator is inconvenient to disassemble the upper mold in the mode.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the installation and the demoulding of an upper mould, the application provides a polyurethane meta-pad casting mould.
The application provides a polyurethane meta-pad casting mold adopts following technical scheme:
a polyurethane cell pad casting mould comprises a lower mould, wherein the lower mould is arranged in a cylindrical shape, a mould cavity is arranged on the upper surface of the lower mould, an inner mould is fixedly connected on the lower surface of the inner wall of the mould cavity, an upper mould is arranged on the lower mould, a pouring opening is arranged on the upper surface of the upper mould, the pouring opening and the mould cavity are arranged concentrically, a pouring ring is fixedly connected on the lower surface of the upper mould, the inner wall of the pouring ring is flush with and concentrically arranged with the pouring opening, the upper mould comprises a first half mould and a second half mould, the first half mould and the second half mould are both arranged in a semicircular arc shape, first ring grooves are respectively arranged on the lower surfaces of the first half mould and the second half mould, one side wall of each first ring groove is communicated with the outer wall of the first half mould, a second ring groove is arranged on the upper surface of the lower mould, one side wall of the second ring groove is communicated with the inner wall of the, the lower surfaces of the first half mold and the second half mold are abutted against the lower surface of the inner wall of the second annular groove.
By adopting the technical scheme, the upper die is arranged into the first half die and the second half die, the first annular inner wall on the lower surfaces of the first half die and the second half die is abutted against the second annular inner wall, and the lower surfaces of the first half die and the second half die are abutted against the lower surface of the second annular inner wall.
Preferably, a rubber pad is fixedly connected to the inner wall of one side of the second ring groove.
Through adopting above-mentioned technical scheme, through fixedly connected with a rubber pad on one side inner wall at the second annular, through having set up the rubber pad, improved the leakproofness between first annular inner wall and the second annular inner wall.
Preferably, a guide surface is arranged at the upper end of the inner wall of one side of the second annular groove, and the guide surface is arranged upwards.
By adopting the technical scheme, the upper end of the inner wall on one side of the second ring groove is provided with the guide surface, and the operator can conveniently clamp the first half die and the second half die into the second ring groove by arranging the guide surface.
Preferably, a resisting groove is formed in the side wall of the first half die close to the second half die, a resisting block is fixedly connected to the side wall of the second half die close to the first half die, a resisting spring is fixedly connected to the side wall of the resisting block far away from the second half die, one end of the resisting spring is tightly contacted with the resisting groove, and the resisting block is embedded in the resisting groove.
Through adopting above-mentioned technical scheme, through offering on the lateral wall of one side that is close to the second half mould at first half mould and supporting tight groove, fixedly connected with supports tight piece on the lateral wall of one side that is close to first half mould at the second half mould, support tight piece inlays and establishes in supporting tight groove, support tight spring and support tightly on supporting tight inslot wall, through such setting, simple structure, convenient operation has improved the installation stability of first half mould and second half mould in the second annular.
Preferably, the outer walls of the first half mold and the second half mold are both provided with a demolding hole, the side wall of one side of the demolding hole on the first half mold is communicated with the side wall of one side of the first half mold close to the second half mold, and the side wall of one side of the demolding hole on the second half mold is communicated with the side wall of one side of the second half mold close to the first half mold.
Through adopting above-mentioned technical scheme, the operator takes out first half mould and second half mould from the second ring groove through the demoulding hole, through such setting, simple structure, convenient operation has made things convenient for the operator to take out first half mould and second half mould from the second ring groove.
Preferably, an arc groove is formed in the upper surface of one end, close to the outer wall of the first half die, of the demolding hole.
By adopting the technical scheme, the arc groove is formed in the upper surface of one end of the outer wall, close to the first half die, of the demolding hole, and the fingers of an operator can conveniently stretch into the demolding hole by forming the arc groove.
Preferably, the inner die is fixedly connected to the lower surface of the inner wall of the die cavity through a locking bolt, and a bolt head of the locking bolt abuts against the lower surface of the lower die.
Through adopting above-mentioned technical scheme, the centre form passes through locking bolt fixed connection on die cavity inner wall lower surface, through such setting, simple structure, convenient operation has made things convenient for the operator to change the centre form as required.
Preferably, a counter bore is formed in the lower surface of the lower die, and a bolt head of the locking bolt abuts against the inner wall of the counter bore.
Through adopting above-mentioned technical scheme, through having seted up a counter bore on the lower surface of lower mould, the bolt head of locking bolt supports tightly on the counter bore inner wall, through such setting, simple structure, convenient operation has reduced the influence of the bolt head of locking bolt to the lower mould roughness.
In summary, the present application includes at least one of the following beneficial technical effects:
the installation of the upper die by an operator is facilitated, and the demoulding of the operator is facilitated;
the influence of the bolt head of the locking bolt on the flatness of the lower die is reduced;
the inner die can be conveniently replaced by an operator according to the requirement.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic view of a connection structure of an inner mold and a lower mold in an embodiment of the present application.
Description of reference numerals: 1. a lower die; 2. a mold cavity; 3. an inner mold; 4. an upper die; 5. pouring a ring; 6. a first mold half; 7. a second mold half; 8. a first ring groove; 9. a second ring groove; 10. a rubber pad; 11. a guide surface; 12. abutting against the groove; 13. a propping block; 14. the spring is tightly propped; 15. demoulding holes; 16. an arc groove; 17. locking the bolt; 18. a counterbore.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses polyurethane meta-pad casting mould.
As shown in fig. 1, a polyurethane unit fills up casting mold, including lower mould 1, lower mould 1 is cylindric setting, a die cavity 2 has been seted up on lower mould 1 upper surface, die cavity 2 is circular setting, an centre form 3 of fixedly connected with on 2 inner walls lower surfaces of die cavity, install one on lower mould 1 and go up mould 4, a sprue gate has been seted up on 4 upper surfaces of last mould, the sprue gate is concentric setting with die cavity 2, a casting ring 5 of fixedly connected with on 4 lower surfaces of last mould, the casting ring 5 inner wall just is concentric setting with the sprue gate parallel and level, be the clearance setting between 5 outer walls of casting ring and the 2 inner walls of die cavity.
As shown in fig. 1, the upper die 4 includes a first half die 6 and a second half die 7, the first half die 6 and the second half die 7 are both in the shape of a circular arc, a first ring groove 8 is provided on the lower surfaces of the first half die 6 and the second half die 7, the first ring groove 8 on the lower surface of the first half die 6 and the first ring groove 8 on the lower surface of the second half die 7 are spliced to form a circle, one side wall of the first ring groove 8 is communicated with the outer wall of the first half die 6, a second ring groove 9 is provided on the upper surface of the lower die 1, one side inner wall of the second ring groove 9 is communicated with the inner wall of the die cavity 2, the inner wall of the first ring groove 8 is abutted to the inner wall of the second ring groove 9, and the lower surfaces of the first half die 6 and the second half die 7 are abutted.
As shown in fig. 1, a rubber pad 10 is fixedly attached to an inner wall of the second ring groove 9 in order to improve the stability of the first mold half 6 and the second mold half 7 mounted on the lower mold 1.
As shown in fig. 1, in order to facilitate an operator to tightly press the first mold half 6 and the second mold half 7 against the second annular groove 9, a guide surface 11 is formed at an upper end of an inner wall of one side of the second annular groove 9, and the guide surface 11 is formed facing upward.
As shown in fig. 1, in order to further improve the stability of the first half mold 6 and the second half mold 7 installed in the second annular groove 9, a resisting groove 12 is formed on a side wall of the first half mold 6 close to the second half mold 7, a resisting block 13 is fixedly connected to a side wall of the second half mold 7 close to the first half mold 6, a resisting spring 14 is fixedly connected to a side wall of the resisting block 13 far from the second half mold 7, the resisting block 13 is embedded in the resisting groove 12, and one end of the resisting spring 14 is pressed against an inner wall of the resisting groove 12.
As shown in fig. 1, in order to facilitate an operator to take out the first half mold 6 and the second half mold 7 from the second annular groove 9, both outer walls of the first half mold 6 and the second half mold 7 are provided with a demolding hole 15, a side wall of one side of the demolding hole 15 on the first half mold 6 is communicated with a side wall of the first half mold 6 close to the second half mold 7, a side wall of one side of the demolding hole 15 on the second half mold 7 is communicated with a side wall of the second half mold 7 close to the first half mold 6, and an arc groove 16 is provided on an upper surface of one end of the outer wall close to the first half mold 6.
As shown in fig. 1 and 2, in order to facilitate the replacement of the inner mold 3 by an operator, the inner mold 3 is fixedly connected to the lower surface of the inner wall of the mold cavity 2 through a locking bolt 17, a bolt head of the locking bolt 17 abuts against the lower surface of the lower mold 1, a counter bore 18 is formed in the lower surface of the lower mold 1, and the bolt head of the locking bolt 17 abuts against the inner wall of the counter bore 18.
The implementation principle of the embodiment of the application is as follows: the inner die 3 is fixed on the lower surface of the inner wall of the die cavity 2 through a locking bolt 17, the first half die 6 and the second half die 7 are clamped in the second annular groove 9, the abutting block 13 is embedded in the abutting groove 12, and the abutting spring 14 abuts against the inner wall of the abutting groove 12.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A polyurethane meta-cushion casting mould is characterized in that: comprises a lower die (1), the lower die (1) is arranged in a cylindrical shape, a die cavity (2) is arranged on the upper surface of the lower die (1), an inner die (3) is fixedly connected on the lower surface of the inner wall of the die cavity (2), an upper die (4) is arranged on the lower die (1), a sprue gate is arranged on the upper surface of the upper die (4), the sprue gate and the die cavity (2) are arranged concentrically, a pouring ring (5) is fixedly connected on the lower surface of the upper die (4), the inner wall of the pouring ring (5) is flush with the sprue gate and arranged concentrically, the upper die (4) comprises a first half die (6) and a second half die (7), the first half die (6) and the second half die (7) are arranged in a semicircular arc shape, a first annular groove (8) is arranged on the lower surfaces of the first half die (6) and the second half die (7), one side wall of the first annular groove (8) is communicated with the outer wall of the first, a second ring groove (9) is formed in the upper surface of the lower die (1), the inner wall of one side of the second ring groove (9) is communicated with the inner wall of the die cavity (2), the inner wall of the first ring groove (8) abuts against the inner wall of the second ring groove (9), and the lower surfaces of the first half die (6) and the second half die (7) abut against the lower surface of the inner wall of the second ring groove (9).
2. The polyurethane meta-pad casting mold of claim 1, wherein: a rubber pad (10) is fixedly connected to the inner wall of one side of the second annular groove (9).
3. The polyurethane meta-pad casting mold of claim 2, wherein: the upper end of the inner wall of one side of the second ring groove (9) is provided with a guide surface (11), and the guide surface (11) is arranged upwards.
4. The polyurethane meta-pad casting mold of claim 1, wherein: the half-mold structure is characterized in that a abutting groove (12) is formed in the side wall, close to the second half mold (7), of the first half mold (6), a abutting block (13) is fixedly connected to the side wall, close to the first half mold (6), of the second half mold (7), a abutting spring (14) is fixedly connected to the side wall, far away from the second half mold (7), of the abutting block (13), one end of the abutting spring (14) abuts against the abutting groove (12), and the abutting block (13) is embedded in the abutting groove (12).
5. The polyurethane meta-pad casting mold of claim 1, wherein: the mold comprises a first half mold (6) and a second half mold (7), wherein the outer walls of the first half mold (6) and the second half mold (7) are respectively provided with a demolding hole (15), the side wall of one side of the demolding hole (15) on the first half mold (6) is communicated with the side wall of one side, close to the second half mold (7), of the first half mold (6), and the side wall of one side of the demolding hole (15) on the second half mold (7) is communicated with the side wall of one side, close to the first half mold (6), of the second half mold (7).
6. The polyurethane meta-pad casting mold of claim 5, wherein: an arc groove (16) is formed in the upper surface of one end, close to the outer wall of the first half die (6), of the demolding hole (15).
7. The polyurethane meta-pad casting mold of claim 1, wherein: the inner die (3) is fixedly connected to the lower surface of the inner wall of the die cavity (2) through a locking bolt (17), and the bolt head of the locking bolt (17) abuts against the lower surface of the lower die (1).
8. The polyurethane cellular cushion casting mold of claim 7, wherein: a counter bore (18) is formed in the lower surface of the lower die (1), and a bolt head of the locking bolt (17) abuts against the inner wall of the counter bore (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772417.7U CN212920135U (en) | 2020-08-21 | 2020-08-21 | Polyurethane cellular pad casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772417.7U CN212920135U (en) | 2020-08-21 | 2020-08-21 | Polyurethane cellular pad casting mold |
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| Publication Number | Publication Date |
|---|---|
| CN212920135U true CN212920135U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772417.7U Active CN212920135U (en) | 2020-08-21 | 2020-08-21 | Polyurethane cellular pad casting mold |
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| CN (1) | CN212920135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494453A (en) * | 2023-06-30 | 2023-07-28 | 天津爱思达航天科技股份有限公司 | Mold and method for casting polyurethane foam layer of cylinder |
| CN116786746A (en) * | 2023-08-29 | 2023-09-22 | 山西奔马铸锻有限公司 | Forging die for forging hammer to process flange |
-
2020
- 2020-08-21 CN CN202021772417.7U patent/CN212920135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494453A (en) * | 2023-06-30 | 2023-07-28 | 天津爱思达航天科技股份有限公司 | Mold and method for casting polyurethane foam layer of cylinder |
| CN116786746A (en) * | 2023-08-29 | 2023-09-22 | 山西奔马铸锻有限公司 | Forging die for forging hammer to process flange |
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