Automobile PU (polyurethane) foaming forming mold

Abstract

The utility model discloses an automobile PU (polyurethane) foaming forming die, which relates to the technical field of PU foaming forming and comprises a workbench, the workbench is a horizontal platform supported by four standing legs, a fixed die plate is fixedly mounted on the top surface of the workbench through bolts, a fixed die component is arranged on the top surface of the fixed die plate, and a fixed die is arranged on the fixed die component. Hinge seats are fixedly connected to the two sides of the rear end of the top face of the fixed mold plate, a movable mold plate is rotationally hinged to the hinge seats, the size of the movable mold plate is the same as that of the fixed mold plate, a movable mold assembly is arranged on the bottom face of the movable mold plate, and mold combining assemblies are arranged on the fixed mold plate and the movable mold plate. Through cooperation of the fixed mold assembly and the movable mold assembly, rapid forming and rapid replacement of the forming mold are facilitated, practicability is improved, the capacity of producing and forming different types of products is achieved, through cooperation of the pressure release valve and the protective cover, the pressure of the forming cavity is conveniently reduced, hot air splashing is prevented, the capacity of ensuring production safety is achieved, and the production efficiency is improved. And finally, the problem of production accidents caused by insufficient structural strength and overlarge pressure of the forming cavity is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PU polyurethane foaming forming technical field especially relates to a car PU polyurethane foaming forming die. BACKGROUND

[0002] Foamed plastic, foaming forming. Foaming forming is the process of making plastic micro-porous structure. Almost all thermosetting and thermoplastic plastics can be made into foamed plastic, commonly used resins are polystyrene, polyurethane, polyvinyl chloride, polyethylene, urea formaldehyde, phenolic etc. ; Due to its structure and material particularity, the foamed material has low thermal conductivity, strong sound insulation, high bending degree and easy forming and many other characteristics. Because of its good sound insulation effect, it is often used in automobile production to fill the parts that need sound insulation. Therefore, many foamed plastic forming equipment has been born. The existing equipment mainly injects foaming material into the mold, then heats the material to expand after closing the mold, so as to form the structure product of target shape. However, a large amount of pressure will be generated when the material expands, which tests the structure strength of the mold. The structure strength of the mold is directly related to the cost. Therefore, in order to improve the safety of the mold, the structure strength of the mold needs to be improved, which increases the cost. Therefore, the utility model improves the existing equipment aiming at the above problems. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in the prior art and provides a car PU polyurethane foaming forming die.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a car PU polyurethane foaming forming die, comprising a workbench, the workbench is a horizontal platform supported by four station feet, a fixed mold plate is fixed on the top surface of the workbench through bolts, a fixed mold assembly is arranged on the top surface of the fixed mold plate, hinge seats are fixed on the both sides of the rear end of the top surface of the fixed mold plate, a movable mold plate is rotatably connected to the hinge seats, the size of the movable mold plate is the same as that of the fixed mold plate, a movable mold assembly is arranged on the bottom surface of the movable mold plate, and a mold closing assembly is arranged on the fixed mold plate and the movable mold plate.

[0005] Preferably, the fixed mold assembly comprises a fixed mold plate, a plurality of heat dissipation windows are arranged on the upper and lower surfaces of the fixed mold plate, a plurality of protective strips are fixed on the heat dissipation windows in a horizontal and equidistant manner, four countersunk holes are uniformly arranged on the periphery of the bottom surface of the fixed mold plate, bolts are arranged in the countersunk holes, and the fixed mold is fixed on the fixed mold plate through the bolts.

[0006] Preferably, a forming groove is arranged on the top surface of the fixed mold in cooperation with the target forming shape, a heating cavity is arranged on the bottom surface of the fixed mold in alignment with the forming groove, a heating pipe is horizontally arranged in the heating cavity, and the two power connection ends of the heating pipe penetrate the side wall of the fixed mold and are connected to a power supply device.

[0007] Preferably, the movable die assembly comprises a movable die plate, a countersunk hole is formed in the corresponding position of the movable die plate and the fixed die plate, a bolt is arranged in the countersunk hole, and the movable die is fixedly installed on the bottom surface of the movable die plate through the bolt.

[0008] Preferably, a forming groove is formed in the bottom surface of the movable die in correspondence with the target forming shape, a pressure relief valve is arranged on one side of the top surface of the movable die, the pressure relief valve is communicated with the forming groove downward, a mounting table is arranged around the pressure relief valve, and a protective cover is hingedly connected to the mounting table.

[0009] Preferably, the mold closing assembly comprises an electric push rod, the lower end of the electric push rod is rotatably connected to the left and right side surfaces of the fixed die plate, a sliding shaft is rotatably connected to the telescopic rod at the other end of the electric push rod, and the sliding shaft is slidingly connected in the sliding groove formed in the side surface of the movable die plate.

[0010] Compared with the prior art, the utility model has the advantages that: through the cooperation of the fixed die assembly and the movable die assembly, the utility model is convenient for rapid forming and rapid disassembly and replacement of the forming mold, the utility model improves the practicability, realizes the ability of producing different style products, through the cooperation of the pressure relief valve and the protective cover, the utility model is convenient for reducing the forming cavity pressure and blocking the hot gas spatter, the utility model improves the safety, realizes the ability of ensuring the production safety, and finally solves the problem that the existing equipment causes production accidents due to insufficient structural strength and excessive forming cavity pressure. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0012] Figure 1 It is a whole appearance perspective view of the device provided by the utility model;

[0013] Figure 2 It is a whole appearance front view of the device provided by the utility model;

[0014] Figure 3 It is a whole appearance top view of the device provided by the utility model;

[0015] Figure 4 It is a fixed die structure appearance perspective view provided by the utility model;

[0016] Figure 5 It is a movable die structure appearance perspective view provided by the utility model;

[0017] Figure 6 It is a mold closing assembly structure perspective view provided by the utility model.

[0018] In the figure, the serial number: 1, workbench;2, fixed mold plate;3, movable mold plate;4, electric push rod;5, protective cover;6, fixed mold;7, heating pipe;8, movable mold;9, pressure relief valve;10, sliding shaft. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Embodiment: see Figures 1-6 The utility model discloses a kind of automobile PU polyurethane foaming forming mould, including workbench 1, workbench 1 is by four station foot support horizontal platform, fixed mold plate 2 is fixedly connected on the top surface of workbench 1, fixed mold plate 2 top is equipped with fixed mold component, the rear end of fixed mold plate 2 top is fixedly connected with hinged seat on both sides, movable mold plate 3 is rotatably connected on hinged seat, movable mold plate 3 size is same with fixed mold plate 2, movable mold plate 3 bottom is equipped with movable mold component, fixed mold plate 2 and movable mold plate 3 are equipped with mold closing component, modular design is convenient for device maintenance and upgrade, improve practicality;Fixed mold component includes fixed mold plate 2, fixed mold plate 2 upper and lower surface is equipped with the heat dissipation window that passes through, multiple protective strips are fixedly connected with horizontally equidistant on the heat dissipation window, four countersunk holes are evenly formed on the bottom of fixed mold plate 2 around, bolt is equipped in countersunk hole, fixed mold 6 is fixedly connected on fixed mold plate 2 by bolt, forming groove is formed on the top surface of fixed mold 6 in cooperation with target forming shape, heating cavity is formed on the bottom of fixed mold 6 in alignment with forming groove, heating pipe 7 is horizontally arranged in heating cavity, two electric terminals of heating pipe 7 pass through the side wall of fixed mold 6 and connect power supply equipment, by the cooperation of fixed mold 6 and heating pipe 7, it is convenient to heat foaming material, improve practicality.

[0021] In the utility model, movable mold component includes movable mold plate 3, the corresponding position of movable mold plate 3 and fixed mold plate 2 is equipped with countersunk hole, bolt is equipped in countersunk hole, movable mold 8 is fixedly connected on the bottom of movable mold plate 3 by bolt, forming groove is formed on the bottom of movable mold 8 in cooperation with target forming shape, pressure relief valve 9 is equipped on one side of the top of movable mold 8, pressure relief valve 9 is communicated with forming groove downward, installation table is equipped around pressure relief valve 9, protective cover 5 is rotatably connected on installation table, by the cooperation of pressure relief valve 9 and protective cover 5, it is convenient to reduce forming cavity pressure and block hot gas spatter, improve safety;Mold closing component includes electric push rod 4, the lower end of electric push rod 4 is rotatably connected on the left and right side surface of fixed mold plate 2, the telescopic rod of another end of electric push rod 4 is rotatably connected with sliding shaft 10, sliding shaft 10 is slidably connected in the sliding groove that is cooperatively formed on the side surface of movable mold plate 3, by the cooperation of electric push rod 4 and sliding shaft 10, it is convenient to automatically open and close mold, improve practicality.

[0022] Working principle: in the utility model for use, first of all, all the electrical equipment is powered, then through the bolt is installed respectively in the fixed mold plate 2 and the movable mold plate 3 with the fixed mold 6 and the movable mold 8 of the corresponding target product, then injects the suitable foaming material into the forming groove of fixed mold 6, then starts electric push rod 4, makes the telescopic rod of electric push rod 4 shrink, to drive the sliding shaft 10 to move down, simultaneously, the sliding shaft 10 slides in the sliding slot of movable mold plate 3, to drive movable mold plate 3 to rotate around the rear side hinge seat finally until the forming groove of movable mold 8 and fixed mold 6 is completely closed, makes it become the closed forming cavity, then starts heating pipe 7, makes heating pipe 7 heat to improve the temperature of fixed mold 6, to heat the foaming material in the forming cavity, foaming material expands and releases gas after being heated, the pressure in the forming cavity rises, when the pressure improves to certain threshold value, the pressure relief valve 9 automatically controls the air release to maintain the pressure in the forming cavity, avoids the installation accident, after forming, can take out and circulate the above steps.

[0023] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. An automobile PU polyurethane foaming forming mold comprising a workbench (1), characterized in that: The workbench (1) is a horizontal platform supported by four station feet, the top surface of the workbench (1) is fixedly provided with a fixed mold plate (2) through bolts, the top surface of the fixed mold plate (2) is provided with a fixed mold assembly, the top surface of the fixed mold plate (2) is fixedly connected with a hinge seat on both sides of the rear end, and the hinge seat is rotatably connected with a movable mold plate (3), the movable mold plate (3) has the same size as the fixed mold plate (2), the bottom surface of the movable mold plate (3) is provided with a movable mold assembly, and the fixed mold plate (2) and the movable mold plate (3) are provided with a mold closing assembly.

2. The automobile PU polyurethane foaming forming mold according to claim 1, characterized in that: The fixed mold assembly comprises a fixed mold plate (2), the top and bottom surfaces of the fixed mold plate (2) are provided with through heat dissipation windows, a plurality of protective strips are fixedly connected on the heat dissipation windows in a horizontal and equidistant manner, four countersunk holes are uniformly formed in the periphery of the bottom surface of the fixed mold plate (2), and bolts are arranged in the countersunk holes.

3. The automobile PU polyurethane foaming forming mold according to claim 2, characterized in that: The top surface of the fixed mold (6) is provided with a forming groove matched with the target forming shape, the bottom surface of the fixed mold (6) is provided with a heating cavity aligned with the forming groove, a heating pipe (7) is horizontally arranged in the heating cavity, and the two power connection ends of the heating pipe (7) penetrate the side wall of the fixed mold (6) and are connected with a power supply device.

4. The automobile PU polyurethane foaming forming mold according to claim 1, characterized in that: The movable mold assembly comprises a movable mold plate (3), the movable mold plate (3) is provided with a countersunk hole at a position corresponding to the fixed mold plate (2), and a bolt is arranged in the countersunk hole.

5. The automobile PU polyurethane foaming forming mold according to claim 4, characterized in that: The bottom surface of the movable mold (8) is provided with a forming groove matched with the target forming shape, one side of the top surface of the movable mold (8) is provided with a pressure relief valve (9), the pressure relief valve (9) is connected with the forming groove downward, an installation table is arranged around the pressure relief valve (9), and a protective cover (5) is hingedly connected to the installation table.

6. The automobile PU polyurethane foaming forming mold according to claim 1, characterized in that: The mold closing assembly comprises an electric push rod (4), the lower end of the electric push rod (4) is rotatably connected to the left and right side surfaces of the fixed mold plate (2), a sliding shaft (10) is rotatably connected to the telescopic rod at the other end of the electric push rod (4), and the sliding shaft (10) is slidingly connected in a sliding groove formed in the side surface of the movable mold plate (3).

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