CN215359526U

CN215359526U - Foamed plastic mould

Info

Publication number: CN215359526U
Application number: CN202120753015.0U
Authority: CN
Inventors: 陈跃辉
Original assignee: Longhai Yonglong Foam Packaging Co ltd
Current assignee: Longhai Yonglong Foam Packaging Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-31
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a foamed plastic mould. The mold comprises an upper mold frame, a mold core unit and a lower mold bottom plate, wherein the mold core unit and the lower mold bottom plate are enclosed to form a lower steam water chamber communicated with the outside; the method is characterized in that: the mold core unit comprises a mounting plate and a plurality of mold cores arranged on the mounting plate in a protruding mode, the upper mold frame is matched with the mold core unit and is provided with a plurality of mold cavities corresponding to the mold cores one to one, the lower steam water chamber and the mold cavities are isolated through the mold core unit, and the gas outlet is communicated with the mold cavities. It has the following advantages: the production efficiency is improved, and the energy consumption is reduced.

Description

Foamed plastic mould

Technical Field

The utility model relates to the technical field of molds, in particular to a foamed plastic mold.

Background

The prior art foam plastic mold, such as CN103029258B, includes an upper mold base plate, an upper mold frame, a mold core, and a lower mold base plate, which are sequentially stacked from top to bottom, the upper mold frame and the mold core enclose a mold cavity, the lower mold base plate and the mold core enclose a lower steam water chamber communicating with the outside, a steam flow channel is arranged inside the mold core, the steam flow channel includes at least one steam inlet and a plurality of steam outlets, and the steam outlets are communicated with the mold cavity. Each set of die can only produce one product, so that the production efficiency is improved and the energy consumption is reduced, thereby further improving the production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a foam plastic mould which overcomes the defects in the background art.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a foamed plastic mold comprises an upper mold frame (2), a mold core unit (3) and a lower mold bottom plate (4), wherein the mold core unit (3) and the lower mold bottom plate (4) are enclosed to form a lower steam water chamber (7) communicated with the outside, an air passage (8) is arranged inside the mold core unit (3), the air passage (8) comprises an air inlet (81) and a plurality of air outlets (82), and the air inlet (81) is arranged on the outer side wall of the mold core unit (3); the method is characterized in that: the mold core unit (3) comprises a mounting plate (31) and a plurality of mold cores (32) which are convexly arranged on the mounting plate (31), the upper mold frame (2) is matched with the mold core unit (3) and is provided with a plurality of mold cavities (6) which are in one-to-one correspondence with the mold cores (32), the lower steam-water chamber (7) and the mold cavities (6) are isolated through the mold core unit (3), and the gas outlet (82) is communicated with the mold cavities (6).

In one embodiment: the steam-water separator is characterized by further comprising an upper mold base plate (1), wherein the upper mold base plate (1), an upper mold frame (2), a mold core unit (3) and a lower mold base plate (4) are arranged in a vertically matched mode, and the upper mold base plate (1) and the upper mold frame (2) are enclosed to form an upper steam-water chamber (5) communicated with the outside.

In one embodiment: this mold core unit (3) still includes mold core cover (33), this mold core cover (33) cover is outside a plurality of mold cores (32), this gas inlet (81) is established at mold core cover (33) lateral wall, this mold core cover (33) inside wall is equipped with a plurality of first blow vent (331), this mold core (32) are equipped with second blow vent (321) and foretell gas outlet (82) that are located mold core (32) lateral wall, this a plurality of first blow vent (331) switch on second blow vent (321) of a plurality of mold cores (32) respectively, this air flue (8) include above-mentioned first blow vent (331) and second blow vent (321).

In one embodiment: the core sleeve (33) rests against the mounting plate (31).

In one embodiment: the mold core (32) comprises a mounting seat fixedly arranged on the mounting plate (31) and fixing columns convexly arranged on the mounting seat, the second vent (321) is arranged on the outer side wall of the mounting seat, and the top end of each fixing column is provided with the gas outlet (82).

In one embodiment: a groove (21) is concavely formed on the top surface of the upper mold frame (2), a first ring groove (22) is concavely formed on the periphery of the bottom of the groove (21), a dividing groove (23) communicated with the first ring groove (22) is concavely formed on the bottom of the groove (21), and the bottom of the groove (21) is divided into mold cavity areas with the same number as the mold cavities (6) through the dividing groove (23); the upper steam chamber (5) comprises the groove (21).

In one embodiment: a second ring groove (24) is concavely formed on the top surface of the upper mold frame (2), and the second ring groove (24) surrounds the first ring groove (22); a second through hole communicated with the first ring groove (22) and the second ring groove (24) is arranged between the first ring groove and the second ring groove.

In one embodiment: the die cavity area is convexly provided with a flow dividing column, and a feed inlet (25) communicated with the die cavity is arranged at each die cavity area.

In one embodiment: the bottom surface of the upper mold frame (2) is concavely provided with matching grooves which correspond to the mold cavity areas one by one, and the matching grooves form the mold cavities (6).

In one embodiment: the mold core unit (3) comprises two mold cores (32), the first annular groove (22) and the dividing groove (23) are matched to form a herringbone groove, an installation groove is concavely arranged in the middle of the dividing groove (23), and a shunting seat (26) is installed at the installation groove.

Compared with the background technology, the technical scheme has the following advantages:

the mold core unit comprises a plurality of mold cores, the upper mold frame is matched with the mold core unit and is provided with a plurality of mold cavities, and each mold core and each mold cavity correspond to one product, so that one set of mold can produce a plurality of products, the production efficiency is improved, and the energy consumption is reduced. The mold shares the lower steam water chamber and part of the air passages for steam and air, so that the structure is compact, the installation is convenient, and the energy consumption is reduced.

The upper die base plate, the upper die frame, the die core unit and the lower die base plate are arranged in a vertically matched mode, the upper die base plate and the upper die frame enclose an upper steam water chamber communicated with the outside, the upper steam water chamber is shared, the structure is compact, and the space is reduced.

The mold core unit further comprises a mold core sleeve, the mold core sleeve is sleeved outside the plurality of mold cores, the gas inlet is formed in the outer side wall of the mold core sleeve, a plurality of first gas vents are formed in the inner side wall of the mold core sleeve, the mold core is provided with a second gas vent located on the outer side wall of the mold core and the gas outlet, the plurality of first gas vents are respectively communicated with the second gas vents of the plurality of mold cores, the gas channel comprises the first gas vents and the second gas vents, the structure is simple, the assembly is convenient, and the gas channel is communicated with the sealing performance.

The mold core sleeve is supported against the mounting plate, so that the assembly and disassembly are convenient, the operation is convenient, and the structure is compact.

The top surface of the upper die frame is concavely provided with a groove, the periphery of the bottom of the groove is concavely provided with a first ring groove, the bottom of the groove is also concavely provided with a partition groove communicated with the first ring groove, and the bottom of the groove is divided into die cavity areas with the same number as the die cavities through the partition groove; the upper steam water chamber comprises the groove, the structure is compact and reasonable, and the uniformity of water temperature in the steam water chamber can be improved.

The top surface of the upper die frame is concavely provided with a second annular groove which surrounds the first annular groove, and a communicated second through hole is arranged between the first annular groove and the second annular groove, so that the structure is compact, and the uniformity of steam and water temperature in a steam-water chamber can be improved.

The mold cavity area is convexly provided with the diversion columns, the feed inlet communicated with the mold cavity is arranged at each mold cavity area, and the diversion columns can block steam or cooling water, so that the steam or the cooling water can be rapidly diffused all around, and the whole steam-water chamber is uniformly and rapidly distributed.

The bottom surface of the upper die frame is concavely provided with matching grooves which correspond to the die cavity areas one by one, the matching grooves form the die cavity, the structure is compact and reasonable, and the heat transfer efficiency is improved.

The mold core unit comprises two mold cores, a first annular groove and a dividing groove are matched to form a herringbone groove, the middle part of the dividing groove is concavely provided with a mounting groove, and a shunting seat is mounted at the mounting groove.

Drawings

The utility model is further described with reference to the following figures and detailed description.

Fig. 1 is one of exploded perspective views of a foam mold according to an embodiment.

Fig. 2 is one of exploded perspective views of a foam mold according to an embodiment.

Fig. 3 is one of exploded perspective views of a foam mold according to an embodiment.

Fig. 4 is one of exploded perspective views of a foam mold according to an embodiment.

Description of reference numerals: the device comprises an upper die base plate 1, an upper die frame 2, a die core unit 3, a lower die base plate 4, an upper steam-water chamber 5, a die cavity 6, a lower steam-water chamber 7 and an air passage 8; the device comprises a groove 21, a first ring groove 22, a dividing groove 23, a second ring groove 24, a feed inlet 25 and a flow dividing seat 26; a mounting plate 31, a mold core 32 and a core sleeve 33; a gas inlet 81, a gas outlet 82; second vent 321, first vent 331.

Detailed Description

Referring to fig. 1 to 4, a foam plastic mold comprises an upper mold base plate 1, an upper mold frame 2, a mold core unit 3, a lower mold base plate 4, an upper steam water chamber 5 and a mold cavity 6, wherein the mold core unit 3 and the lower mold base plate 4 enclose a lower steam water chamber 7 communicated with the outside, and an air passage 8 is arranged inside the mold core unit 3; the die bottom plate 1, the upper die frame 2, the die core unit 3 and the lower die bottom plate 4 are arranged in a vertically matched manner; an upper steam water chamber 5 communicated with the outside is enclosed by the upper mold bottom plate 1 and the upper mold frame 2; the upper die frame 2 is matched with the die core unit 3 and is provided with a plurality of die cavities 6 which are in one-to-one correspondence with the die cores 32, and the lower steam-water chambers 7 and the die cavities 6 are isolated by the die core unit 3; the air duct 8 comprises an air inlet 81 and a plurality of air outlets 82, the air outlets 82 are communicated with the mold cavity 6, and steam is supplied into the mold cavity through the air duct to heat the plastic rice for foaming and air is supplied to blow out a foamed product.

The top surface of the upper mold frame 2 is concavely provided with a groove 21, the periphery of the bottom of the groove 21 is concavely provided with a first ring groove 22, the bottom of the groove 21 is also concavely provided with a dividing groove 23 communicated with the first ring groove 22, and the bottom of the groove 21 is divided into mold cavity areas with the same number as the mold cavities 6 through the dividing groove 23; a second ring groove 24 is concavely formed on the top surface of the upper mold frame 2, and the second ring groove 24 surrounds the first ring groove 22; the upper mold bottom plate 1 is concavely provided with a first through hole communicated with the upper steam water chamber 5 so as to introduce steam or cooling water to heat or cool the mold, and a second through hole communicated with the first annular groove 22 and the second annular groove 24 is arranged between the first through hole and the second through hole; the mold cavity area is convexly provided with a shunt column, a feed inlet 25 communicated with the mold cavity is arranged at each mold cavity area, the upper mold base plate is also provided with a second feed inlet, and the upper mold base plate is matched with the upper mold frame to ensure that the second feed inlet is communicated with the feed inlet so that raw materials can be filled into the mold cavity through the second feed inlet and the feed inlet; the first ring groove 22 and the dividing groove 23 are matched to form a herringbone groove, the middle part of the dividing groove 23 is concavely provided with an installation groove, and a shunt seat 26 is arranged at the installation groove; the bottom surface of the upper die frame 2 is concavely provided with matching grooves which correspond to the die cavity areas one by one, and the matching grooves form the die cavities 6.

The mold core unit 3 comprises a mounting plate 31, a plurality of mold cores 32 convexly arranged on the mounting plate 31 and a mold core sleeve 33, the mold core sleeve 33 is supported on the mounting plate 31 and is sleeved outside the plurality of mold cores 32, and a plurality of first air vents 331 are arranged on the inner side wall of the mold core sleeve 33; the mold core 32 is provided with a second vent 321 and a gas outlet 82 which are positioned on the outer side wall of the mold core 32, and the plurality of first vents 331 are respectively communicated with the second vents 321 of the plurality of mold cores 32; the mold core 32 includes a mounting seat fixed on the mounting plate 31 and fixing posts protruding on the mounting seat, the second vent 321 is provided on the outer side wall of the mounting seat, and the top end of each fixing post is provided with the gas outlet 82. According to the requirement, the mould core sleeve can be arranged or not arranged, the inlet is directly arranged on the mould core without the mould core sleeve, or one gas inlet or a plurality of gas inlets can be arranged.

The upper steam water chamber 5 comprises the groove 21; the gas inlet 81 is provided on the outer side wall of the core housing 33 of the core unit 3; the air duct 8 includes the above-described first air vent 331 and second air vent 321.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents.

Claims

1. A foamed plastic mold comprises an upper mold frame (2), a mold core unit (3) and a lower mold bottom plate (4), wherein the mold core unit (3) and the lower mold bottom plate (4) are enclosed to form a lower steam water chamber (7) communicated with the outside, an air passage (8) is arranged inside the mold core unit (3), the air passage (8) comprises an air inlet (81) and a plurality of air outlets (82), and the air inlet (81) is arranged on the outer side wall of the mold core unit (3); the method is characterized in that: the mold core unit (3) comprises a mounting plate (31) and a plurality of mold cores (32) which are convexly arranged on the mounting plate (31), the upper mold frame (2) is matched with the mold core unit (3) and is provided with a plurality of mold cavities (6) which are in one-to-one correspondence with the mold cores (32), the lower steam-water chamber (7) and the mold cavities (6) are isolated through the mold core unit (3), and the gas outlet (82) is communicated with the mold cavities (6).

2. A foam mould according to claim 1, wherein: the steam-water separator is characterized by further comprising an upper mold base plate (1), wherein the upper mold base plate (1), an upper mold frame (2), a mold core unit (3) and a lower mold base plate (4) are arranged in a vertically matched mode, and the upper mold base plate (1) and the upper mold frame (2) are enclosed to form an upper steam-water chamber (5) communicated with the outside.

3. A foam mould according to claim 1, wherein: this mold core unit (3) still includes mold core cover (33), this mold core cover (33) cover is outside a plurality of mold cores (32), this gas inlet (81) is established at mold core cover (33) lateral wall, this mold core cover (33) inside wall is equipped with a plurality of first blow vent (331), this mold core (32) are equipped with second blow vent (321) and foretell gas outlet (82) that are located mold core (32) lateral wall, this a plurality of first blow vent (331) switch on second blow vent (321) of a plurality of mold cores (32) respectively, this air flue (8) include above-mentioned first blow vent (331) and second blow vent (321).

4. A foam mould according to claim 3, wherein: the core sleeve (33) rests against the mounting plate (31).

5. A foam mould according to claim 3, wherein: the mold core (32) comprises a mounting seat fixedly arranged on the mounting plate (31) and fixing columns convexly arranged on the mounting seat, the second vent (321) is arranged on the outer side wall of the mounting seat, and the top end of each fixing column is provided with the gas outlet (82).

6. A foam mould according to claim 2, wherein: a groove (21) is concavely formed on the top surface of the upper mold frame (2), a first ring groove (22) is concavely formed on the periphery of the bottom of the groove (21), a dividing groove (23) communicated with the first ring groove (22) is concavely formed on the bottom of the groove (21), and the bottom of the groove (21) is divided into mold cavity areas with the same number as the mold cavities (6) through the dividing groove (23); the upper steam chamber (5) comprises the groove (21).

7. A foam mould according to claim 6, wherein: a second ring groove (24) is concavely formed on the top surface of the upper mold frame (2), and the second ring groove (24) surrounds the first ring groove (22); a second through hole communicated with the first ring groove (22) and the second ring groove (24) is arranged between the first ring groove and the second ring groove.

8. A foam mould according to claim 6, wherein: the die cavity area is convexly provided with a flow dividing column, and a feed inlet (25) communicated with the die cavity is arranged at each die cavity area.

9. A foam mould according to claim 6, wherein: the bottom surface of the upper mold frame (2) is concavely provided with matching grooves which correspond to the mold cavity areas one by one, and the matching grooves form the mold cavities (6).

10. A foam mould according to claim 6, wherein: the mold core unit (3) comprises two mold cores (32), the first annular groove (22) and the dividing groove (23) are matched to form a herringbone groove, an installation groove is concavely arranged in the middle of the dividing groove (23), and a shunting seat (26) is installed at the installation groove.