Foamed door core cooling device

Abstract

The utility model discloses foamed door plate core cooling device, include: installation base, the core cooling subassembly of assembly on installation base, the core cooling subassembly is used to carry out cooling to mould core, the core cooling subassembly includes, the mouth mould of assembly on installation base, the above -mentioned device injects the liquid inlet of multiple sets of cooling core rod body through tetrafluoro tube inlet pipe simultaneously by cooling liquid from cooling liquid import, after the heat exchange of high temperature foamed door plate core in the cooling core rod body inside, the temperature rise liquid flows back to cooling liquid export from the liquid outlet through tetrafluoro tube outlet pipe and completes the circulation, the shaping mould and the mouth mould keep low temperature in the forming area, and the cooling rod mounting frame is positioned firmly by the core rod base, ensures that the cooling core rod body and door plate core are always coaxial and adhere to, and temperature gradient is even, and the liquid cooling makes thick wall core fast, even skin, thoroughly eliminates " outside cold inside hot ", avoids the bulge, cracking and air mark, and the product demoulds flat, and the size is stable.

Description

Technical Field

[0001] This utility model relates to the field of wood-plastic processing mold technology, and more specifically, to a cooling device for the core of a foamed door panel. Background Technology

[0002] Wood-plastic composite processing molds are specialized molds used to extrude or compress mixtures of wood powder and thermoplastic plastics. Through specific cavity and flow channel structures, wood-plastic composite materials are melted and shaped into the desired cross-section or shape under high temperature and pressure, combining the texture of wood with the plasticity of plastic. They are widely used in the production of profiles such as flooring, railings, and furniture.

[0003] A search revealed an existing patent (publication number: CN201325168Y) that discloses a reinforced air-cooled extrusion mold for PP and PE wood-plastic composites. This mold consists of a mold body, a transition plate connected sequentially to the mold body, a support plate, a compression section, a die heating section, and a die cooling section. The extrusion mold has an internal cavity. A flow divider cone is installed in the middle section of the cavity via a support, and a core is connected to the flow divider cone at the rear section of the cavity. A cooling water channel is provided in the die cooling section. The key feature is that an air inlet channel is provided on the support plate, a cold air pipe is installed in the core, and a transition air pipe connects the air inlet channel on the support plate to the cold air pipe in the core. This invention solves the problem of poor product molding quality and the inability to form a skin on the inner wall of products produced by existing similar molds, making it particularly suitable for processing PE wood-plastic composite products.

[0004] However, the above-mentioned device only uses air cooling to cool the core. When the air volume is large, turbulence is easily formed on the inner wall of the mold cavity, resulting in uneven cooling rate and uneven thickness of the inner wall skin. When the air volume is small, it is difficult to penetrate the interior of thick-walled products, resulting in the phenomenon of "cold outside and hot inside". After demolding, the inner wall is soft, prone to bulging or even cracking. Moreover, the cold air blowing directly on the melt can easily carry away the volatiles, leaving air marks on the surface of the product, affecting the appearance and strength. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, this utility model provides a foamed door panel core cooling device to solve the problem of uneven air cooling causing bulging and cracking of the inner wall.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a core cooling device for foamed door panels, comprising: a mounting base; a core cooling assembly mounted on the mounting base, the core cooling assembly being used to cool the core of the mold, the core cooling assembly comprising: a die mounted on the mounting base, a shaping die fixedly mounted on the top of the die, a cooling section assembled inside the shaping die, and a mandrel base mounted on the top of the cooling section; a mold assembly mounted on the top of the core cooling assembly, the mold assembly being used to form the mold; fixing plates mounted on both sides of the mold assembly, the fixing plates being used to fix the mold assembly; and a cold liquid circulation assembly mounted on one side of the core cooling assembly, the cold liquid circulation assembly being used to provide cooling circulation to the core cooling assembly.

[0007] Preferably, the cooling section includes: a cooling rod mounting bracket fixedly installed inside the grooves opened on the die and the mold, a cooling core rod body fixedly installed inside the cooling rod mounting bracket, a liquid inlet opening at the top of the cooling core rod body, a liquid outlet opening at the top of the cooling core rod body, and a core rod base fixedly installed on the top of the cooling rod mounting bracket.

[0008] Preferably, the cooling core rod body is provided in multiple sets, and the multiple sets of cooling core rod bodies are installed equidistantly inside the cooling rod mounting frame.

[0009] Preferably, the die and the shaping die are fixedly connected by existing bolts.

[0010] Preferably, the mold assembly includes: an upper template one fixedly installed on one side of the mandrel base, a middle template fixedly installed on one side of the upper template one, and an upper template two fixedly installed on one side of the middle template.

[0011] Preferably, the upper template one, the middle template, and the upper template two are detachably installed together using existing bolts. Two sets of fixing plates are provided, and the two sets of fixing plates are symmetrically arranged on both sides of the upper template one, the middle template, and the upper template two. The fixing plates are detachably installed to the upper template one, the middle template, and the upper template two using bolts.

[0012] Preferably, the coolant circulation assembly includes: a liquid cooling bracket 1 disposed on one side of the mounting base, a coolant inlet fixedly installed on one side of the liquid cooling bracket 1, a PTFE inlet pipe fixedly installed at the bottom of the coolant inlet, and the PTFE inlet pipe communicating with the liquid inlet.

[0013] A second liquid-cooled bracket is installed on one side of the mounting base. A coolant outlet is fixedly installed at one end of the second liquid-cooled bracket. A PTFE tube outlet is fixedly installed on the second liquid-cooled bracket, and the PTFE tube outlet is connected to the liquid outlet.

[0014] Preferably, multiple sets of PTFE tube inlet and outlet pipes are provided, and the multiple sets of PTFE tube inlet and outlet pipes are respectively connected to the liquid inlet and liquid outlet on the multiple sets of cooling core rod bodies.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention utilizes a system where coolant is simultaneously injected into multiple cooling core rod bodies through a PTFE inlet. After heat exchange with the high-temperature foamed door panel core inside the cooling core rod body, the heated liquid flows back to the coolant outlet through the PTFE outlet, completing the circulation. The molding die and die-casting die maintain a low temperature in the molding zone, and the core rod base firmly positions the cooling rod mounting bracket, ensuring that the cooling core rod body and the door panel core are always coaxially aligned and have a uniform temperature gradient. Continuous liquid cooling allows the thick-walled core to quickly and uniformly form a skin, completely eliminating "external cold and internal heat," preventing bulging, cracking, and air marks, resulting in smooth demolding and dimensional stability of the product. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the core cooling assembly structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the cooling section structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the mold assembly structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the overall structure of the coolant circulation assembly of this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the coolant circulation component of this utility model.

[0023] [Figure Labels]

[0024] 1. Mounting base; 2. Core cooling assembly; 3. Mold assembly; 4. Fixing plate; 5. Coolant circulation assembly; 201. Die; 202. Shaping mold; 203. Cooling section; 204. Core rod base; 205. Cooling rod mounting bracket; 206. Cooling core rod body; 207. Liquid inlet; 208. Liquid outlet; 301. Upper template one; 302. Middle template; 303. Upper template two; 501. Liquid cooling bracket one; 502. Coolant inlet; 503. PTFE inlet pipe; 504. PTFE outlet pipe; 505. Liquid cooling bracket two; 506. Coolant outlet. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0026] Example 1

[0027] A preferred embodiment of the foamed door panel core cooling device provided by this utility model is, for example... Figures 1 to 6 As shown, it includes: a mounting base 1; a core cooling assembly 2 mounted on the mounting base 1, the core cooling assembly 2 being used to cool the core of the mold, the core cooling assembly 2 including: a die 201 mounted on the mounting base 1, a shaping die 202 fixedly mounted on the top of the die 201, a cooling section 203 assembled inside the shaping die 202, and a mandrel base 204 mounted on the top of the cooling section 203; a mold assembly 3 mounted on the top of the core cooling assembly 2, the mold assembly 3 being used to form the mold; fixing plates 4 mounted on both sides of the mold assembly 3, the fixing plates 4 being used to fix the mold assembly 3; and a coolant circulation assembly 5 mounted on one side of the core cooling assembly 2, the coolant circulation assembly 5 being used to provide cooling circulation to the core cooling assembly 2.

[0028] In this embodiment, the cooling section 203 includes: a cooling rod mounting bracket 205 fixedly installed inside the slots opened on the die 201 and the shaping die 202; a cooling core rod body 206 fixedly installed inside the cooling rod mounting bracket 205; a liquid inlet 207 and a liquid outlet 208 are opened on the top of the cooling core rod body 206; and a core rod base 204 is fixedly installed on the top of the cooling rod mounting bracket 205.

[0029] In this embodiment, multiple sets of cooling core rod bodies 206 are provided, and multiple sets of cooling core rod bodies 206 are installed equidistantly inside the cooling rod mounting bracket 205.

[0030] In this embodiment, the die 201 and the shaping die 202 are fixedly connected by existing bolts.

[0031] In this embodiment, the mold assembly 3 includes: an upper template 301 fixedly installed on one side of the mandrel base 204, a middle template 302 fixedly installed on one side of the upper template 301, and an upper template 303 fixedly installed on one side of the middle template 302.

[0032] In this embodiment, the upper template 1 301, the middle template 302, and the upper template 2 303 are detachably installed together using existing bolts. Two sets of fixing plates 4 are provided, and the two sets of fixing plates 4 are symmetrically arranged on both sides of the upper template 1 301, the middle template 302, and the upper template 2 303. The fixing plates 4 are detachably installed with the upper template 1 301, the middle template 302, and the upper template 2 303 using bolts.

[0033] Example 2

[0034] Based on Embodiment 1, a preferred embodiment of the foamed door panel core cooling device provided by this utility model is, for example... Figures 1 to 6 As shown: The coolant circulation assembly 5 includes: a liquid cooling bracket 501 disposed on one side of the mounting base 1, a coolant inlet 502 fixedly installed on one side of the liquid cooling bracket 501, a PTFE inlet pipe 503 fixedly installed at the bottom of the coolant inlet 502, and the PTFE inlet pipe 503 communicating with the liquid inlet 207.

[0035] A liquid cooling bracket 2 505 is installed on one side of the mounting base 1. A coolant outlet 506 is fixedly installed at one end of the liquid cooling bracket 2 505. A PTFE tube outlet 504 is fixedly installed on the liquid cooling bracket 2 505. The PTFE tube outlet 504 is connected to the liquid outlet 208.

[0036] In this embodiment, multiple sets of PTFE tube inlet pipe 503 and PTFE tube outlet pipe 504 are provided, and the multiple sets of PTFE tube inlet pipe 503 and PTFE tube outlet pipe 504 are respectively connected to the liquid inlet 207 and liquid outlet 208 on the multiple sets of cooling core rod body 206.

[0037] During use, coolant is simultaneously injected into the inlets 207 of multiple sets of cooling core rod bodies 206 through the coolant inlet 502 and the PTFE inlet pipe 503. After heat exchange with the high-temperature foamed door panel core inside the cooling core rod body 206, the heated liquid flows back from the outlet 208 through the PTFE outlet pipe 504 to the coolant outlet 506 to complete the circulation. The molding mold 202 and the die 201 are kept at a low temperature in the molding area, and the core rod base 204 firmly positions the cooling rod mounting bracket 205 to ensure that the cooling core rod body 206 and the door panel core are always coaxially attached and the temperature gradient is uniform. Continuous liquid cooling makes the thick-walled core form a skin quickly and evenly, completely eliminating "external cold and internal heat", avoiding bulging, cracking and air marks, and the product is demolded smoothly and has stable dimensions.

[0038] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0039] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0040] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cooling device for the core of a foamed door panel, characterized in that, include: Mounting base (1); A core cooling assembly (2) is mounted on the mounting base (1). The core cooling assembly (2) is used to cool the core of the mold. The core cooling assembly (2) includes a die (201) mounted on the mounting base (1). A shaping die (202) is fixedly mounted on the top of the die (201). A cooling part (203) is assembled inside the shaping die (202). A mandrel base (204) is assembled on the top of the cooling part (203). A mold assembly (3) is mounted on top of the core cooling assembly (2), the mold assembly (3) being used to form a mold; Fixing plates (4) are mounted on both sides of the mold assembly (3), and the fixing plates (4) are used to fix the mold assembly (3); A coolant circulation assembly (5) is mounted on one side of the core cooling assembly (2), the coolant circulation assembly (5) being used to provide cooling circulation to the core cooling assembly (2).

2. The foamed door panel core cooling device according to claim 1, characterized in that, The cooling section (203) includes: A cooling rod mounting bracket (205) is fixedly installed inside the grooves opened on the die (201) and the shaping die (202). A cooling core rod body (206) is fixedly installed inside the cooling rod mounting bracket (205). A liquid inlet (207) is opened on the top of the cooling core rod body (206), and a liquid outlet (208) is opened on the top of the cooling rod body (206). The core rod base (204) is fixedly installed on the top of the cooling rod mounting bracket (205).

3. The foamed door panel core cooling device according to claim 2, characterized in that, Multiple sets of cooling core rod bodies (206) are provided, and the multiple sets of cooling core rod bodies (206) are installed at equal intervals inside the cooling rod mounting bracket (205).

4. The foamed door panel core cooling device according to claim 2, characterized in that, The die (201) and the mold (202) are fixedly connected by existing bolts.

5. A foamed door panel core cooling device according to claim 4, characterized in that, The mold assembly (3) includes: An upper template (301) is fixedly installed on one side of the core rod base (204). A middle template (302) is fixedly installed on one side of the upper template (301). An upper template (303) is fixedly installed on one side of the middle template (302).

6. The foamed door panel core cooling device according to claim 5, characterized in that, The upper template 1 (301), middle template (302), and upper template 2 (303) are detachably installed together by existing bolts. Two sets of fixing plates (4) are provided, and the two sets of fixing plates (4) are symmetrically arranged on both sides of the upper template 1 (301), middle template (302), and upper template 2 (303). The fixing plates (4) are detachably installed with the upper template 1 (301), middle template (302), and upper template 2 (303) by bolts.

7. A foamed door panel core cooling device according to claim 2, characterized in that, The coolant circulation assembly (5) includes: A liquid cooling bracket (501) is provided on one side of the mounting base (1). A coolant inlet (502) is fixedly installed on one side of the liquid cooling bracket (501). A PTFE tube inlet (503) is fixedly installed at the bottom of the coolant inlet (502). The PTFE tube inlet (503) is connected to the liquid inlet (207). A liquid cooling bracket (505) is provided on one side of the mounting base (1). A coolant outlet (506) is fixedly installed at one end of the liquid cooling bracket (505). A PTFE tube outlet (504) is fixedly installed on the liquid cooling bracket (505). The PTFE tube outlet (504) is connected to the liquid outlet (208).

8. A foamed door panel core cooling device according to claim 7, characterized in that, The PTFE tube inlet pipe (503) and PTFE tube outlet pipe (504) are provided in multiple sets, and the multiple sets of PTFE tube inlet pipe (503) and PTFE tube outlet pipe (504) are respectively connected to the liquid inlet (207) and liquid outlet (208) on the multiple sets of cooling core rod body (206).

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