Polystyrene foaming forming mold

Abstract

The utility model provides a polystyrene foam forming mold which comprises a mold cover plate, a mold body, a mold cover plate, a mold body and a mold cover plate, wherein the mold cover plate is arranged at the top of the mold body and covers a mold cavity; the mold bottom plate is arranged at the bottom of the mold body and is used for forming the mold cavity with the mold cover plate; the cooling channels are arranged in the mold cover plate and the mold bottom plate correspondingly and used for cooling the forming process of polystyrene foaming in the mold cavity. The mold cavity is formed by the mold cover plate and the mold bottom plate, and the mold cavity is used for pressing polystyrene foaming melt into a certain fixed shape. The cooling channel is arranged to be used for rapidly cooling the mold cover plate and the mold bottom plate, and meanwhile the purpose of rapidly cooling the mold cavity is achieved. And the cooling channel is arranged in the mold cover plate and the mold bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of polystyrene foaming molding, in particular to a polystyrene foaming molding mold. Background Art

[0002] Currently, the world produces more than 6 million tons of waste polystyrene (PS) plastics every year. Converting waste PS into products with economic value through recycling is an important part of the green development path. 3 ) profiles possess strong mechanical properties and are commonly used as structural components in furniture manufacturing, interior decoration, and construction. Although recycled polystyrene (RPS) undergoes molecular chain breakage after recycling and re-granulation, the foam still possesses certain mechanical properties at high density. Therefore, recycled PS is widely used in the manufacture of high-density foam profiles, becoming a breakthrough in consuming waste PS.

[0003] Currently, when high-density recycled polystyrene foam profiles are extruded and injected into the mold cavity, they need to be cooled during the extrusion molding process due to their high temperature; in order to achieve the effect of synchronously cooling the product output from the mold cavity outlet.

[0004] In summary, how to achieve the purpose of rapid cooling during the extrusion molding of polystyrene foam is a technical problem that needs to be urgently solved in the extrusion molding process of high-density recycled polystyrene foam profiles. Utility Model Content

[0005] The utility model aims to provide a polystyrene foam molding die with an internal cooling channel structure, which can remove excess heat through the flow of liquid in the cooling channel, thereby achieving the purpose of rapid cooling. In addition, the cooling channel is added to special parts to achieve a double rapid cooling effect.

[0006] The utility model provides a polystyrene foaming molding die, comprising:

[0007] A mold cover plate is arranged on the top of the mold body and covers the mold cavity;

[0008] A mold base plate is provided at the bottom of the mold body and is used to form the mold cavity together with the mold cover plate;

[0009] Cooling channels are respectively arranged inside the mold cover plate and the mold bottom plate, and are used to cool the molding process of polystyrene foaming in the mold cavity.

[0010] The mold cavity is formed by the mold cover and mold base, and the mold cavity is used to press the polystyrene foam melt into a fixed shape. The cooling channel is set to cool the mold cover and mold base, and also cool the mold cavity.

[0011] It should be noted that the cooling channel is arranged inside the mold cover plate and the mold bottom plate.

[0012] According to one embodiment, the cooling channel includes a plurality of cooling liquid flow channels; and the cooling liquid flow channels are all cylindrical.

[0013] In another embodiment, the plurality of cooling liquid flow channels are in the shape of rectangular parallelepipeds.

[0014] Furthermore, the cooling channel includes a cooling channel inlet and a cooling channel outlet, which are used for the inflow and outflow of cooling liquid respectively.

[0015] In one embodiment, a cooling device is provided between the cooling channel inlet and the cooling channel outlet, for cooling the liquid flowing out of the cooling channel outlet before the liquid flows into the cooling channel inlet.

[0016] In another embodiment, the cooling channel inlet and the cooling channel outlet are not connected, and the coolant is not recycled after flowing out of the cooling channel outlet.

[0017] An embodiment is also provided, in which the cooling channel inlet is connected to a faucet with a control switch, and the control switch is connected to the mold switch signal. When the mold starts working, the faucet connected to the cooling channel inlet automatically opens and starts to let water in; when the mold stops working, the cooling channel inlet also stops letting water in.

[0018] Furthermore, the cooling channel inlet includes a first coolant inlet and a second coolant inlet; the first coolant inlet is arranged at the side of the mold cover plate close to the inlet of the mold body.

[0019] Furthermore, the second coolant inlet is arranged at the inlet of the mold bottom plate close to the mold body; the second coolant inlet is used to connect with the lower cooling channel arranged inside the mold bottom plate, and is used to cool the foam passing through the mold cavity from the bottom.

[0020] Furthermore, the first coolant inlet is connected to an upper cooling channel provided in the mold cover plate, and is used to cool the foam passing through the mold cavity from the top.

[0021] It should be noted that the cooling channel inlet includes a first coolant inlet and a second coolant inlet; the first coolant inlet is located on the side of the mold cover plate close to the inlet of the mold body; the second coolant inlet is arranged on the mold bottom plate close to the inlet of the mold body.

[0022] It is further explained that the first coolant inlet is used to connect to the upper cooling channel located inside the mold cover plate to input coolant.

[0023] It should also be noted that the second coolant inlet is used to connect to the lower cooling channel located inside the mold base plate to input coolant.

[0024] In one embodiment, the first cooling liquid inlet and the second cooling liquid inlet are connected to the same external cooling liquid supply source.

[0025] Furthermore, the mold cover plate also includes a first cooling liquid inlet groove.

[0026] It should be noted that a cover plate is provided on the top of the first coolant inlet groove.

[0027] It should be noted that the first coolant inlet groove is connected to the upper cooling channel and is used to provide coolant to the upper cooling channel.

[0028] In another embodiment, the mold base plate further includes a second cooling liquid inlet groove disposed therein; the second cooling liquid inlet groove is connected to the lower cooling channel for providing cooling liquid to the lower cooling channel.

[0029] Furthermore, the mold cover plate also includes a first coolant outlet groove; an outlet groove cover plate is provided on the top of the coolant outlet groove.

[0030] It should be noted that the first coolant outlet groove is used to be connected to the upper cooling channel to collect the coolant after absorbing heat from the mold cover.

[0031] In one embodiment, the mold base further includes a second coolant outlet groove disposed inside the mold base.

[0032] In another embodiment, the second coolant outlet trough is used to connect to the lower cooling channel to collect the coolant after absorbing heat from the mold bottom plate.

[0033] It should also be noted that the first coolant outlet groove and the second coolant outlet groove are located on the mold body near the mold cavity outlet.

[0034] Furthermore, the upper cooling channel also includes a first portion cooling liquid channel, which is used to add a cooling liquid channel to a portion that is difficult to form.

[0035] Furthermore, the lower cooling channel also includes a second portion cooling liquid channel, which is also used to add a cooling liquid channel for cooling the portion that is difficult to form from the bottom surface.

[0036] Furthermore, the cooling channel outlet includes a first coolant outlet and a second coolant outlet; the first coolant outlet is arranged on one side of the mold cover plate; the second coolant outlet is arranged on one side of the mold bottom plate.

[0037] In one embodiment, the first coolant outlet and the second coolant outlet are connected to the same coolant storage container.

[0038] The utility model provides a polystyrene foaming molding mold, comprising: a mold cover plate, which is arranged on the top of the mold body and covers the mold cavity; a mold base plate, which is arranged at the bottom of the mold body and is used to form the mold cavity with the mold cover plate; a cooling channel, which is respectively arranged inside the mold cover plate and the mold base plate, and is used to cool the molding process of polystyrene foaming in the mold cavity. The mold cavity is composed of the mold cover plate and the mold base plate, and the mold cavity is used to press the polystyrene foam melt into a certain fixed shape. The cooling channel is used to quickly cool the mold cover plate and the mold base plate, and the purpose of quickly cooling the mold cavity is also achieved. The cooling channel is arranged inside the mold cover plate and the mold base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the structure of a polystyrene foaming molding mold provided by the utility model;

[0040] Figure 2 for Figure 1 A perspective view of the polystyrene foam molding mold structure is shown. DETAILED DESCRIPTION

[0041] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0042] For example, please refer to Figure 1 , Figure 2 ; Figure 1 This is a schematic diagram of the structure of a polystyrene foaming molding mold provided by the utility model; Figure 2 for Figure 1 A perspective view of the polystyrene foam molding mold structure is shown.

[0043] The utility model provides a polystyrene foaming molding die, comprising:

[0044] The mold cover plate 2 is arranged on the top of the mold body 1 and covers the mold cavity 5;

[0045] The mold base plate 8 is arranged at the bottom of the mold body 1 and is used to form the mold cavity 5 with the mold cover plate 2;

[0046] The cooling channels are respectively provided inside the mold cover plate 2 and the mold bottom plate 8 , and are used to cool the molding process of the polystyrene foam in the mold cavity 5 .

[0047] The mold cover plate 2 and the mold base plate 8 form a mold cavity 5, which is used to press the polystyrene foam melt into a fixed shape. Cooling channels are provided to cool the mold cover plate 2 and the mold base plate 8, thereby cooling the mold cavity 5, thereby cooling the product extruded into a certain shape in the mold cavity 5.

[0048] Here, an embodiment is provided in which the mold cover plate 2 and the mold base plate 8 are detachably mounted and provided with corresponding mounting openings for airtight locking.

[0049] In one embodiment, the cooling channel includes a plurality of cooling liquid flow channels (such as Figure 1 and the coolant flow channels are all cylindrical (as shown in Figure 1 shown).

[0050] Furthermore, the cooling channel includes a cooling channel inlet and a cooling channel outlet, which are used for the inflow and outflow of cooling liquid respectively.

[0051] Furthermore, the cooling channel inlet includes a first coolant inlet 61 and a second coolant inlet 71 ; the first coolant inlet 61 is arranged at the side of the mold cover plate 2 close to the inlet of the mold body 1 .

[0052] Furthermore, a second coolant inlet 71 is provided at the inlet of the mold base plate 8 close to the mold body 1 ; the second coolant inlet 71 is used to connect to the lower cooling channel 4 provided inside the mold base plate 8 , and is used to cool the foam passing through the mold cavity 5 from the bottom.

[0053] Furthermore, the first cooling liquid inlet 61 is connected to the upper cooling channel 3 provided in the mold cover plate 2 , and is used to cool the foam passing through the mold cavity 5 from the top.

[0054] It should be noted that the cooling channel inlet includes a first coolant inlet 61 and a second coolant inlet 71; the first coolant inlet 61 is located at the side of the mold cover plate 2 close to the inlet of the mold body 1; the second coolant inlet 71 is set at the inlet of the mold bottom plate 8 close to the mold body 1.

[0055] To further explain, the first coolant inlet 61 is used to connect to the upper cooling channel 3 located inside the mold cover plate 2 to input coolant.

[0056] It should also be noted that the second coolant inlet 71 is used to connect to the lower cooling channel 4 located inside the mold base 8 to input coolant.

[0057] Furthermore, the mold cover plate 2 further includes a first cooling liquid inlet groove 21 .

[0058] It should be noted that a cover plate is provided on the top of the first coolant inlet groove 21 .

[0059] It should be noted that the first coolant inlet groove 21 is connected to the upper cooling channel 3 and is used to provide coolant to the upper cooling channel 3 .

[0060] It should be noted that the opening of the upper cooling channel 3 is located in the first coolant inlet groove 21 ; the coolant flowing into the first coolant inlet groove 21 then flows into the interior of the upper cooling channel 3 .

[0061] In another embodiment, the mold base plate 8 further includes a second coolant inlet groove disposed therein; the second coolant inlet groove is connected to the lower cooling channel 4 for providing coolant to the lower cooling channel 4 .

[0062] It should be noted that the opening of the lower cooling channel 4 is located in the second coolant inlet groove; the coolant flowing into the second coolant inlet groove then flows into the interior of the lower cooling channel 4.

[0063] Furthermore, the mold cover plate 2 also includes a first coolant outlet groove 22 ; an outlet groove cover plate is provided on the top of the coolant outlet groove 22 .

[0064] It should be noted that the first coolant outlet groove 22 is used to connect with the upper cooling channel 3 to collect the coolant after absorbing heat from the mold cover plate 2 .

[0065] In one embodiment, the mold bottom plate 8 further includes a second cooling liquid outlet groove disposed inside the mold bottom plate 8 .

[0066] In another embodiment, the second coolant outlet groove is used to connect to the lower cooling channel 4 to collect the coolant after absorbing heat from the mold bottom plate 8.

[0067] It should also be noted that the first coolant outlet groove 22 and the second coolant outlet groove are located at the mold body 1 near the outlet of the mold cavity 5 .

[0068] Furthermore, the upper cooling channel 3 also includes a first portion cooling liquid channel 31, which is used to add a cooling liquid channel to a portion that is difficult to form.

[0069] It should be noted that the opening of the first portion coolant channel 31 is also located in the first coolant inlet groove 21 ; the coolant flowing into the first coolant inlet groove 21 then flows into the first portion coolant channel 31 .

[0070] Likewise, the first portion cooling liquid passage 31 includes a plurality of cooling liquid passages.

[0071] Furthermore, the lower cooling channel 4 also includes a second portion cooling liquid channel 41, which is also used to add a cooling liquid channel for cooling the portion that is difficult to form from the bottom surface.

[0072] It should be noted that the opening of the second portion coolant channel 41 is also located in the second coolant inlet groove; the coolant flowing into the second coolant inlet groove then flows into the second portion coolant channel 41 .

[0073] Likewise, the second portion cooling liquid passage 41 includes a plurality of cooling liquid passages.

[0074] Furthermore, the cooling channel outlet includes a first coolant outlet 62 and a second coolant outlet 72 ; the first coolant outlet 62 is provided on one side of the mold cover plate 2 ; and the second coolant outlet 72 is provided on one side of the mold bottom plate 8 .

[0075] In one embodiment, the first coolant outlet 62 and the second coolant outlet 72 are connected to the same coolant storage container.

[0076] The above description is only part of the embodiments of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the utility model description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A polystyrene foaming molding die, characterized in that, include: A mold cover plate is arranged on the top of the mold body and covers the mold cavity; A mold base plate is provided at the bottom of the mold body and is used to form the mold cavity with the mold cover plate; Cooling channels are respectively arranged inside the mold cover plate and the mold bottom plate, and are used to cool the polystyrene foaming molding process in the mold cavity.

2. The polystyrene foaming molding die according to claim 1, characterized in that: The cooling channel includes a cooling channel inlet and a cooling channel outlet, which are used for the inflow and outflow of cooling liquid respectively.

3. The polystyrene foaming molding die according to claim 2, characterized in that: The cooling channel inlet includes a first coolant inlet and a second coolant inlet; the first coolant inlet is arranged at the side of the mold cover plate near the inlet of the mold body.

4. The polystyrene foaming molding die according to claim 3, characterized in that: The second coolant inlet is arranged at the inlet of the mold bottom plate close to the mold body; the second coolant inlet is used to connect with the lower cooling channel arranged inside the mold bottom plate, and is used to cool the foam passing through the mold cavity from the bottom.

5. The polystyrene foaming molding die according to claim 3, characterized in that: The first coolant inlet is connected to an upper cooling channel provided in the mold cover plate, and is used for cooling the foam passing through the mold cavity from the top.

6. The polystyrene foaming molding die according to claim 5, characterized in that: The mold cover plate also includes a first cooling liquid inlet groove.

7. The polystyrene foaming molding die according to claim 6, characterized in that: The mold cover plate further includes a first coolant outlet groove; an outlet groove cover plate is provided on the top of the first coolant outlet groove.

8. The polystyrene foaming molding die according to claim 6, characterized in that: The upper cooling channel also includes a first portion cooling liquid channel, which is used to add a cooling liquid channel to a portion that is difficult to form; the inlet of the first portion cooling liquid channel is located in the first cooling liquid inlet groove.

9. The polystyrene foaming molding die according to claim 4, characterized in that: The lower cooling channel also includes a second portion cooling liquid channel, which is also used to add a cooling liquid channel for cooling the portion that is difficult to form from the bottom surface; the inlet of the second portion cooling liquid channel is located in the second cooling liquid inlet groove.

10. The polystyrene foaming molding die according to claim 2, characterized in that: The cooling channel outlet includes a first coolant outlet and a second coolant outlet; the first coolant outlet is arranged on one side of the mold cover plate; the second coolant outlet is arranged on one side of the mold bottom plate.

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