Polypropylene hollow plate forming die

Abstract

The utility model relates to a polypropylene hollow plate forming mould which comprises a base, a rotating seat, springs, a mould carrying plate and forming mould main bodies, the rotating seat is rotatably arranged on the base, a plurality of springs are circularly arranged on the top side of the rotating seat, the mould carrying plate is arranged on the top sides of the springs, and a plurality of forming mould main bodies are arranged on the mould carrying plate at equal intervals. Supporting legs are installed on the periphery of the bottom side of the base. The motor works to drive the rotating base to rotate, then the mold carrying plate connected with the spring rotates synchronously, the position of the forming mold body is adjusted, meanwhile, during injection molding, the pulsating electromagnet is powered on to generate magnetic force, the magnetic force of the pulsating electromagnet is changed, and then the adsorption force generated between the pulsating electromagnet and the iron base of the mold carrying plate is changed; and the mold carrying plate vibrates and shakes the forming mold main body through the springs, so that the forming mold main body is fully filled with polypropylene in a molten state, and the product quality of the polypropylene hollow plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene hollow plate processing, in particular to a polypropylene hollow plate forming die. Background Art

[0002] The polypropylene raw material is mixed with the polyethylene raw material and extruded through a hollow board production line. The cross-section of the board is a grid shape, so it is also called a grid hollow board.

[0003] When the raw materials are added to the molding mold for cooling and molding, air is likely to exist in the raw materials in the molding mold during the raw material filling process. At the same time, the raw materials cannot fully and thoroughly fill the molding mold, which leads to voids in the molding mold and quality problems of the produced polypropylene hollow board. Utility Model Content

[0004] The problem solved by the utility model is to provide a polypropylene hollow board forming mold, which solves the technical problem that when raw materials are added to the forming mold for cooling and forming, air is easily present in the raw materials in the forming mold during the raw material filling process, and the raw materials cannot fully and thoroughly fill the forming mold, which leads to voids in the forming mold and causes quality problems of the produced polypropylene hollow boards.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A polypropylene hollow plate forming mold comprises a base, a swivel seat, a spring, a platen and a forming mold body, wherein the swivel seat is rotatably mounted on the base, a plurality of springs are circularly mounted on the top side of the swivel seat, a platen is mounted on the top side of the spring, and a plurality of forming mold bodies are evenly spacedly mounted on the platen.

[0007] Preferably, support legs are installed around the bottom side of the base, and a motor is installed in the middle of the top side of the base.

[0008] Preferably, the motor output end passes through the base and is fixedly connected to the middle of the rotating base, and the motor output end is connected to the base through a bearing.

[0009] Preferably, the molding die body comprises a molding lower die and a molding upper die, and the molding lower die is installed above the swivel seat.

[0010] Preferably, a pulsating electromagnet is installed in the middle of the top side of the rotating seat, and an iron seat is embedded and installed in the center of the carrier plate.

[0011] The beneficial effects of the utility model are as follows: the swivel seat is driven to rotate by the operation of the motor, thereby realizing the synchronous rotation of the spring-connected carrier plate, realizing the position adjustment of the molding die main body; at the same time, during injection molding, the pulsating electromagnet is energized to generate magnetic force, and the magnetic force of the pulsating electromagnet changes, thereby changing the adsorption force generated between the carrier plate and the iron seat of the carrier plate, and the carrier plate vibrates and shakes the molding die main body through the spring, thereby ensuring that the molten polypropylene is fully filled in the molding die main body, thereby improving the product quality of the polypropylene hollow plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is an overall side view of the utility model.

[0014] Legend:

[0015] 1. Base; 2. Turntable; 3. Support leg; 4. Motor; 5. Spring; 6. Platen; 7. Lower forming die; 8. Upper forming die; 9. Pulsating electromagnet; 10. Iron base. DETAILED DESCRIPTION

[0016] 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 of 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.

[0017] Specific examples are given below.

[0018] See also Figure 1 and Figure 2 A polypropylene hollow plate forming mold comprises a base 1, a rotating base 2, a spring 5, a platen 6 and a forming mold body, the rotating base 2 is rotatably mounted on the base 1, supporting legs 3 are mounted around the bottom side of the base 1, a motor 4 is mounted in the middle of the top side of the base 1, the output end of the motor 4 passes through the base 1 and is fixedly connected to the middle of the rotating base 2, and the output end of the motor 4 is connected to the base 1 through a bearing, the rotating base 2 is driven to rotate by the motor 4, and then the platen 6 connected to the spring 5 is synchronously rotated, so as to adjust the position of the forming mold body;

[0019] A plurality of springs 5 ​​are installed in a circular shape on the top side of the swivel seat 2, a loading plate 6 is installed on the top side of the spring 5, and a plurality of molding mold bodies are installed at equal intervals on the loading plate 6. The molding mold body includes a molding lower mold 7 and a molding upper mold 8, and the molding lower mold 7 is installed above the swivel seat 2. A pulsating electromagnet 9 is installed in the middle of the top side of the swivel seat 2, and an iron seat 10 is inlaid and installed at the center of the loading plate 6. Magnetic force is generated by energizing the pulsating electromagnet 9, and the magnetic force of the pulsating electromagnet 9 changes, thereby changing the adsorption force generated between the iron seat 10 of the loading plate 6, and the loading plate 6 vibrates and shakes the molding mold body through the spring 5.

[0020] The motor 4 drives the swivel seat 2 to rotate, thereby realizing synchronous rotation of the carrier plate 6 connected to the spring 5, and realizing position adjustment of the molding die main body, which is convenient for the molding die main body to be connected with the injection tube for injection molding. In the injection molding process, the pulsating electromagnet 9 is energized to generate magnetic force, and the magnetic force of the pulsating electromagnet 9 changes, thereby changing the adsorption force generated between the iron seat 10 of the carrier plate 6. The carrier plate 6 vibrates and shakes through the spring 5, thereby ensuring that the molten polypropylene is fully filled in the molding die main body. After cooling, the molding upper mold 8 is removed, and the polypropylene hollow plate is taken out to complete the injection molding of the polypropylene hollow plate.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polypropylene hollow board forming mold, characterized in that: The invention comprises a base (1), a rotating base (2), a spring (5), a platen (6) and a molding die main body, wherein the rotating base (2) is rotatably mounted on the base (1), a plurality of springs (5) are circularly mounted on the top side of the rotating base (2), a platen (6) is mounted on the top side of the springs (5), a plurality of molding die main bodies are evenly spacedly mounted on the platen (6), a pulsating electromagnet (9) is mounted in the middle of the top side of the rotating base (2), and an iron seat (10) is inlaid and mounted at the center of the platen (6).

2. A polypropylene hollow board forming mold according to claim 1, characterized in that: Support legs (3) are installed around the bottom side of the base (1), and a motor (4) is installed in the middle of the top side of the base (1).

3. A polypropylene hollow board forming mold according to claim 2, characterized in that: The output end of the motor (4) passes through the base (1) and is fixedly connected to the middle of the rotating base (2), and the output end of the motor (4) is connected to the base (1) via a bearing.

4. A polypropylene hollow board forming mold according to claim 3, characterized in that: The molding die body comprises a molding lower die (7) and a molding upper die (8), and the molding lower die (7) is installed above the rotating seat (2).

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