EPP automobile door panel energy absorption block foaming mold

Abstract

The utility model relates to the technical field of EPP automobile door panel manufacturing, in particular to an EPP automobile door panel energy absorption block foaming mold which comprises a lower mold, and a pressing mold is arranged at the top end of the lower mold. The cooling mechanism capable of quickly preheating and cooling the EPP automobile door panel is arranged on the inner walls of the lower die and the pressing die; the cooling mechanism is arranged, water flow in the water tank is conveyed into the cold water pipes through the water pump to cool the foaming mold, the other cold water pipe is connected with the water pump through one connecting pipe, the cold water pipes are matched with the graphite plate to conduct the temperature of cold water, and the foaming mold is rapidly cooled; the cold water pipe is matched with the radiator through the connecting pipe to conduct and diffuse heat on water flow, the first fan blade blows out air flow to rapidly dissipate heat on the radiator, the second fan blade blows out air flow to rapidly cool a foaming mold, the EPP automobile door panel mold can be rapidly cooled, and the EPP automobile door panel mold can be rapidly formed.

Description

Technical Field

[0001] The utility model relates to the technical field of EPP automobile door panel manufacturing, in particular to an EPP automobile door panel energy absorption block foaming mould. Background Art

[0002] EPP (foamed polypropylene) car door panel energy absorbing block is an automotive component made of EPP material, mainly used to improve the safety and comfort of the car. When the car collides, the EPP car door panel energy absorbing block can effectively absorb and disperse the impact force, thereby protecting the safety of the passengers in the car. When manufacturing EPP car door panels, foaming molds are required to process them.

[0003] After searching the Chinese patent "A device for forming energy-absorbing blocks of EPP automobile door panels", the publication number is "CN214448251U". This patent can facilitate the parting of the top mold and the bottom mold through the bottom mold, notches, telescopic rods, rectangular frames, threaded rods, rotating sleeves, gears and chains, thereby reducing the difficulty of parting the top mold and the bottom mold. At the same time, it can facilitate the limiting of the top mold, thereby facilitating the connection between the top mold and the bottom mold, thereby reducing the difficulty of connecting the top mold and the bottom mold. However, the preheating and cooling effect of the mold is poor during the forming of the EPP automobile door panel, and it is not convenient to quickly preheat and cool the EPP automobile door panel mold, thereby reducing the forming effect of the EPP automobile door panel.

[0004] Therefore, an EPP automobile door panel energy absorbing block foaming mold is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an EPP automobile door panel energy absorbing block foaming mold in order to solve the above-mentioned problem, thereby improving the problem that it is inconvenient to quickly preheat and cool the EPP automobile door panel mold.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: an EPP automobile door panel energy absorption block foaming mold, comprising a lower mold, a top end of which is provided with a pressing mold; a cooling mechanism, which can quickly preheat and cool the EPP automobile door panel, and the cooling mechanism is arranged on the inner walls of the lower mold and the pressing mold; wherein the cooling mechanism comprises a water tank fixedly connected to the bottom end of the lower mold, one side of the water tank is connected to a water pump, and the inner walls of the lower mold and the pressing mold are both provided with preheating components.

[0007] Preferably, the cooling mechanism also includes several cold water pipes evenly distributed and arranged on the inner wall of the lower mold and the die, one end of one of the cold water pipes is connected to a water pump, and a graphite plate is arranged at the top of the cold water pipe, which can quickly cool down the EPP automobile door panel mold and improve the working efficiency of the device.

[0008] Preferably, both ends of the other cold water pipe are connected with connecting pipes, and one end of one of the connecting pipes is connected to a water pump, so as to facilitate rapid transportation of the cold water pipe.

[0009] Preferably, a radiator is provided on the other side of the water tank, and the other end of one of the cold water pipes and the other connecting pipe are both connected with a conduit, one end of the conduit passes through the radiator and is connected to the water tank, so as to guide and diffuse the heat in the cold water pipe.

[0010] Preferably, one side of the radiator is rotatably connected to two first fan blades, which can improve the heat dissipation effect of the radiator and quickly dissipate the heat on the cold water pipe.

[0011] Preferably, a mounting plate is fixedly connected to one side of the lower mold, and a plurality of evenly distributed second fan blades are rotatably connected to the inner wall of the mounting plate.

[0012] Preferably, the preheating assembly includes a heating block arranged on the inner wall of the lower mold and the die, the outer wall of the heating block is provided with a heat insulation board, the heating block is arranged at the bottom end of the graphite plate, the mold is preheated by the heating block, and it is quickly heated in cooperation with the graphite plate, and the heat insulation board can prevent the cold water pipe from directly contacting it.

[0013] Preferably, a temperature sensor is provided on the inner wall of the lower mold, and a display screen is provided at one end of the temperature sensor, which can accurately control the temperature of the foaming mold during preheating, thereby improving the processing efficiency of the device and the quality of the finished product.

[0014] The beneficial effects of the utility model are:

[0015] 1. By setting up a cooling mechanism, when the EPP automobile door panel is processed using a foaming mold, the water flow in the water tank is transported to the cold water pipe through a water pump to cool the foaming mold. Another cold water pipe is connected to the water pump through one of the connecting pipes. The cold water pipe cooperates with the graphite plate to conduct the temperature of the cold water to quickly cool the foaming mold. The cold water pipe cooperates with the radiator through the connecting pipe to conduct and diffuse the heat on the water flow. The first fan blade blows out air flow to quickly dissipate the heat on the radiator. The second fan blade blows out air flow to quickly cool the foaming mold, and the EPP automobile door panel mold can be quickly cooled down to allow it to be quickly formed.

[0016] 2. By setting up a preheating component, when the EPP automobile door panel uses a foaming mold, the foaming mold is heated by starting the heating block to preheat the mold so that the mold reaches the working temperature, reducing the cooling time in production, reducing cracks, deformation, bubbles and other undesirable phenomena on the mold surface, and improving the quality of the finished EPP automobile door panel. The insulation board can prevent the heating block from directly contacting the cold water pipe to prevent damage to the cold water pipe. The heating block and the graphite plate can be used to quickly heat the foaming mold. The temperature sensor and the display screen can be used to accurately control the temperature of the foaming template, and the foaming mold can be quickly preheated to improve the quality of the finished EPP automobile door panel. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0019] Figure 3 It is a schematic diagram of the local structure of the cooling mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the preheating component of the utility model.

[0021] In the figure: 1. lower mold; 2. pressing mold; 3. cooling mechanism; 301. water tank; 302. water pump; 303. cold water pipe; 304. graphite plate; 305. connecting pipe; 306. radiator; 307. conduit; 308. first fan blade; 309. mounting plate; 310. second fan blade; 311. preheating assembly; 3111. heating block; 3112. heat insulation board; 3113. temperature sensor; 3114. display screen. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When implementing: Figure 1-4As shown, a foaming mold for an EPP automobile door panel energy-absorbing block comprises a lower mold 1, a pressing mold 2 is arranged on the top of the lower mold 1; a cooling mechanism 3, which can quickly preheat and cool the EPP automobile door panel, is arranged on the inner walls of the lower mold 1 and the pressing mold 2; wherein the cooling mechanism 3 comprises a water tank 301 fixedly connected to the bottom end of the lower mold 1, one side of the water tank 301 is connected to a water pump 302, and the inner walls of the lower mold 1 and the pressing mold 2 are both provided with preheating components 311.

[0024] like Figure 2 and Figure 3 As shown, the cooling mechanism 3 also includes a plurality of cold water pipes 303 evenly distributed and arranged on the inner wall of the lower mold 1 and the die 2, one end of one of the cold water pipes 303 is connected to the water pump 302, a graphite plate 304 is arranged on the top of the cold water pipe 303, both ends of the other cold water pipe 303 are connected to connecting pipes 305, one end of one of the connecting pipes 305 is connected to the water pump 302, a radiator 306 is arranged on the other side of the water tank 301, the other end of one of the cold water pipes 303 and the other connecting pipe 305 are connected to a conduit 307, one end of the conduit 307 passes through the radiator 306 and is connected to the water tank 301, one side of the radiator 306 is rotatably connected to two first fan blades 308, and the lower mold 1 is fixedly connected to a mounting plate 309, and the inner wall of the mounting plate 309 is rotatably connected to a plurality of evenly distributed second blades 310. The water pump 302 delivers the water flow in the water tank 301 to two cold water pipes 303. The cold water pipes 303 quickly cool the foaming mold. The cold water pipes 303 cooperate with the graphite plate 304 to conduct the cold air to improve the cooling effect. The cold water pipes 303 deliver the water flow to the conduit 307 to conduct and diffuse the heat through the radiator 306. The first blade 308 blows out air flow to dissipate the heat of the radiator 306. The second blade 310 rotates to blow out air flow to cool the foaming mold, which can quickly cool the EPP automobile door panel mold so that it can be quickly formed.

[0025] like Figure 4 As shown, the preheating component 311 includes a heating block 3111 arranged on the inner wall of the lower mold 1 and the die 2, the outer wall of the heating block 3111 is provided with a heat insulation board 3112, the heating block 3111 is arranged at the bottom end of the graphite plate 304, the inner wall of the lower mold 1 is provided with a temperature sensor 3113, and one end of the temperature sensor 3113 is provided with a display screen 3114. The heating block 3111 preheats the foaming mold, the heating block 3111 cooperates with the graphite plate 304 to improve the heating efficiency, the temperature sensor 3113 cooperates with the display screen 3114 to display the temperature of the foaming mold in real time, the foaming mold can be preheated quickly, and the finished product quality of the EPP automobile door panel is improved.

[0026] When the utility model is in use, the heating block 3111 is started by the control cabinet to preheat the foaming mold. The heating block 3111 cooperates with the graphite plate 304 to improve the heating efficiency. The temperature sensor 3113 cooperates with the display screen 3114 to display the temperature of the foaming mold in real time. When cooling the foaming mold, the water pump 302 is started by the controller to transport the water flow in the water tank 301 to the two cold water pipes 303 to cool the foaming mold. The cold water pipe 303 cooperates with the graphite plate 304 to conduct cold air to improve the cooling effect. The cold water pipe 303 transports the water flow to the conduit 307 to conduct the heat through the radiator 306. The water flow is then transported to the water tank 301, and the first fan blade 308 is started by the controller to blow out air flow to dissipate heat to the radiator 306. The second fan blade 310 is started by the controller to rotate and blow out air flow to cool the foaming mold. The radiator 306 absorbs heat by utilizing the good thermal conductivity of water, and the cold water pipe 303 transfers the heat to the cooling water, and then the heat is quickly dissipated into the air through the heat dissipation system of the radiator 306. The temperature sensor 3113 exchanges heat with the foaming mold by heat conduction or convection. When the sensor and the foaming mold reach thermal equilibrium, the indication value of the temperature sensor 3113 represents the temperature of the object being measured.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An EPP automobile door panel energy absorbing block foaming mold, characterized in that: include: A lower mold (1), wherein a pressing mold (2) is provided at the top end of the lower mold (1); A cooling mechanism (3) capable of quickly preheating and cooling the EPP automobile door panel, the cooling mechanism (3) being arranged on the inner walls of the lower mold (1) and the pressing mold (2); The cooling mechanism (3) comprises a water tank (301) fixedly connected to the bottom end of the lower mold (1), one side of the water tank (301) is connected to a water pump (302), and the inner walls of the lower mold (1) and the die (2) are both provided with preheating components (311).

2. The EPP automobile door panel energy absorbing block foaming mold according to claim 1, characterized in that: The cooling mechanism (3) further comprises a plurality of cold water pipes (303) evenly distributed and arranged on the inner walls of the lower mold (1) and the die (2), wherein one end of one of the cold water pipes (303) is connected to the water pump (302), and a graphite plate (304) is arranged at the top end of the cold water pipe (303).

3. The EPP automobile door panel energy absorbing block foaming mold according to claim 2, characterized in that: Both ends of the other cold water pipe (303) are connected to connecting pipes (305), and one end of one of the connecting pipes (305) is connected to the water pump (302).

4. The EPP automobile door panel energy absorbing block foaming mold according to claim 3, characterized in that: A radiator (306) is provided on the other side of the water tank (301), and the other end of one of the cold water pipes (303) and the other connecting pipe (305) are both connected to a conduit (307), and one end of the conduit (307) passes through the radiator (306) and is connected to the water tank (301).

5. The EPP automobile door panel energy absorbing block foaming mold according to claim 4, characterized in that: Two first fan blades (308) are rotatably connected to one side of the radiator (306).

6. The EPP automobile door panel energy absorbing block foaming mold according to claim 1, characterized in that: A mounting plate (309) is fixedly connected to one side of the lower mold (1), and a plurality of evenly distributed second fan blades (310) are rotatably connected to the inner wall of the mounting plate (309).

7. The EPP automobile door panel energy absorbing block foaming mold according to claim 2, characterized in that: The preheating assembly (311) comprises a heating block (3111) arranged on the inner walls of the lower mold (1) and the pressing mold (2), the outer wall of the heating block (3111) is provided with a heat insulation plate (3112), and the heating block (3111) is arranged at the bottom end of the graphite plate (304).

8. The EPP automobile door panel energy absorbing block foaming mold according to claim 1, characterized in that: The inner wall of the lower mold (1) is provided with a temperature sensor (3113), and one end of the temperature sensor (3113) is provided with a display screen (3114).

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