Feeding mechanism for preparing polystyrene composite material

Abstract

The utility model discloses a feeding mechanism for polystyrene composite material preparation, and relates to the technical field of polystyrene composite material preparation. The feeding device comprises a feeding cylinder and a top frame fixed at the top of the feeding cylinder, a weighing cylinder is fixed at the bottom of the feeding cylinder, a PLC (programmable logic controller) is embedded on the peripheral side of the weighing cylinder, the bottom of the weighing cylinder is connected with a feeding pipe, and an electromagnetic valve is mounted on the feeding pipe. The feeding cylinder is provided with a plurality of material cavities, raw materials contained in the material cavities are different, the feeding cylinder can be used for feeding various auxiliary raw materials, through the arrangement of the electric telescopic rod, the corresponding needed auxiliary raw materials can be conveniently and automatically injected, manual feeding operation is simplified, auxiliary polystyrene composite material preparation is facilitated, in addition, during feeding, the feeding efficiency is improved, and the production cost is reduced. When auxiliary raw materials enter the feeding cylinder, the needed dosage can be injected through the monitoring function of the photoelectric liquid level sensor, the purpose of automatically metering the feeding dosage is achieved, manual weighing operation is omitted, time and labor are saved, and convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of polystyrene composite material preparation, in particular to a feeding mechanism for preparing polystyrene composite materials. Background Art

[0002] When preparing polystyrene composite materials, styrene and initiators are added to a polymerization reactor for polymerization reaction. During the polymerization reaction, some other auxiliary raw materials need to be added to the reactor, such as polymerization initiators, solvents, etc. At present, it is generally necessary to manually weigh the dosage of the required auxiliary raw materials and then inject them into the polymerization reactor. This method is more troublesome and is not conducive to the preparation of auxiliary polystyrene composite materials. Utility Model Content

[0003] The purpose of the utility model is to provide a feeding mechanism for preparing polystyrene composite materials. Through the arrangement of multiple material chambers, weighing cylinders and electric telescopic rods, the utility model solves the problem that the dosage of the required auxiliary raw materials is generally required to be weighed manually before being injected into a polymerization reactor. This method is relatively cumbersome and is not conducive to the preparation of auxiliary polystyrene composite materials.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is a feeding mechanism for preparing polystyrene composite materials, comprising a feeding cylinder and a top frame fixed on the top of the feeding cylinder, a weighing cylinder is fixed at the bottom of the feeding cylinder, a PLC controller is inlaid on the peripheral side of the weighing cylinder, a feeding pipe is connected to the bottom of the weighing cylinder, and a solenoid valve is installed on the feeding pipe;

[0006] Among them, material cavities are evenly distributed inside the feed barrel, a photoelectric liquid level sensor is fixed to the bottom of the feed barrel, a group of evenly distributed electric telescopic rods are fixed to the bottom of the top frame, and the bottom connecting end of each electric telescopic rod is connected to a sealing piece, and each sealing piece is inserted one by one into the inside of each material cavity.

[0007] Furthermore, a group of material cavities are distributed in a ring shape, and the capacity of each material cavity is the same.

[0008] Furthermore, a through groove is provided on one side of each material cavity, and the interior of each through groove is closed by a glass observation window.

[0009] Furthermore, the photoelectric liquid level sensor is located on the longitudinal center axis of the feed barrel, and the photoelectric liquid level sensor, the solenoid valve and the electric telescopic rod are electrically connected to the PLC controller.

[0010] Furthermore, the bottom of the material cavity is a discharge port, and the discharge port is a truncated cone structure.

[0011] Furthermore, the sealing member includes a push rod and a rubber sealing block, the bottom end of the push rod is fixed with the rubber sealing block, and the top end of the push rod is connected to the connecting end of the electric telescopic rod.

[0012] Furthermore, the rubber sealing block is a truncated cone structure, and the cross-sectional diameter at the middle position of the rubber sealing block is larger than the cross-sectional diameter at the bottom of the discharge port.

[0013] The utility model has the following beneficial effects:

[0014] 1. The feeding barrel is provided with multiple material chambers. The raw materials in each chamber are different and can be used for feeding a variety of auxiliary raw materials. The electric telescopic rod can be set to facilitate automatic injection of the required auxiliary raw materials, simplifying the manual feeding operation and facilitating the preparation of auxiliary polystyrene composite materials.

[0015] 2. A weighing cylinder and a photoelectric liquid level sensor are added at the bottom of the feed barrel. When the auxiliary raw materials enter the feed barrel during feeding, the required dosage can be injected through the monitoring function of the photoelectric liquid level sensor, thereby achieving the purpose of automatic metering of the feeding dosage, eliminating the operation of manual weighing, saving time and effort, and being convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0017] Figure 1 It is a schematic diagram of the structure of a feeding mechanism for preparing a polystyrene composite material;

[0018] Figure 2 It is a schematic diagram of the structure of the feed barrel;

[0019] Figure 3 It is a schematic diagram of the longitudinal cross-sectional structure of the feed barrel;

[0020] Figure 4 It is a schematic diagram of the structure of the sealing member.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 100, feed barrel; 110, glass observation window; 120, material chamber; 121, discharge port; 130, sealing member; 131, push rod; 132, rubber sealing block; 140, photoelectric liquid level sensor; 200, weighing cylinder; 210, PLC controller; 220, feed pipe; 230, solenoid valve; 300, top frame; 310, electric telescopic rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] See also Figure 1-4 As shown, the utility model is a feeding mechanism for preparing polystyrene composite materials, comprising a feeding barrel 100 and a top frame 300 fixed on the top of the feeding barrel 100, a group of uniformly distributed electric telescopic rods 310 are fixed at the bottom of the top frame 300, and the bottom connecting end of each electric telescopic rod 310 is connected to a sealing member 130, and the sealing member 130 comprises a push rod 131 and a rubber sealing block 132, and the bottom end of the push rod 131 is fixed with a rubber sealing block 132, and the rubber sealing block 132 is a truncated cone structure, and the cross-sectional diameter of the middle position of the rubber sealing block 132 is larger than the cross-sectional diameter of the bottom of the discharge port 121, and the top end of the push rod 131 is connected to the connecting end of the electric telescopic rod 310, and each sealing member 131 is connected to the bottom end of the electric telescopic rod 310. 0 are inserted into each material cavity 120, a weighing cylinder 200 is fixed at the bottom of the feed cylinder 100, a PLC controller 210 is inlaid on the circumference of the weighing cylinder 200, a feed pipe 220 is connected to the bottom of the weighing cylinder 200, a solenoid valve 230 is installed on the feed pipe 220, the feed cavity 120 is evenly distributed inside the feed cylinder 100, the bottom of the material cavity 120 is a discharge port 121, and the discharge port 121 is a truncated cone structure, a photoelectric liquid level sensor 140 is fixed to the bottom surface of the feed cylinder 100, the photoelectric liquid level sensor 140 is located on the longitudinal center axis of the feed cylinder 100, and the photoelectric liquid level sensor 140, the solenoid valve 230 and the electric telescopic rod 310 are electrically connected to the PLC controller 210.

[0025] The above-mentioned setting is specifically applied as follows: when preparing polystyrene composite materials, if some other auxiliary raw materials need to be added, the required raw materials are first determined, and then the corresponding opened material chamber 120 is selected through the touch screen on the surface of the PLC controller 210, and at the same time, the required amount of raw materials is input through the touch screen on the surface of the PLC controller 210, and then the electric telescopic rod 310 directly above the corresponding material chamber 120 is started through the touch screen on the surface of the PLC controller 210. Through the action of the electric telescopic rod 310, the sealing member 130 in the corresponding material chamber 120 is driven to move downward, so that the rubber sealing block 132 at the bottom end of the push rod 131 is away from the discharge port 121 of the corresponding material chamber 120, and the corresponding The discharge port 121 of the material chamber 120 can make the raw materials in the corresponding material chamber 120 flow into the inside of the weighing cylinder 200. When the liquid level in the weighing cylinder 200 reaches the preset range, the photoelectric liquid level sensor 140 will immediately transmit a signal to the PLC controller 210, and the electric telescopic rod 310 directly above the corresponding material chamber 120 will be immediately started by the PLC controller 210. The sealing member 130 in the corresponding material chamber 120 is driven to move upward through the action of the electric telescopic rod 310, so that the rubber sealing block 132 at the bottom end of the push rod 131 tightly presses against the discharge port 121 of the corresponding material chamber 120, and the discharge port 121 of the corresponding material chamber 120 is closed, and the weighing operation is completed;

[0026] After weighing, the PLC controller 210 immediately starts the solenoid valve 230, so that the raw materials flow into the reaction kettle for preparing the polystyrene composite material through the feeding pipe 220, thereby completing the feeding operation.

[0027] Among them Figure 1-2 As shown, a group of material cavities 120 are distributed in a ring shape, each material cavity 120 has the same capacity, a through groove is opened on one side of each material cavity 120, and the interior of each through groove is closed by a glass observation window 110.

[0028] The above arrangement is specifically applied as follows: when the polystyrene composite material is prepared and used, the raw materials in each material cavity 120 are different, and the amount of raw materials used in each material cavity 120 can be clearly observed through the glass observation window 110 on the side of the material cavity 120.

[0029] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A feeding mechanism for preparing a polystyrene composite material, comprising a feeding cylinder (100) and a top frame (300) fixed on the top of the feeding cylinder (100), characterized in that: A weighing cylinder (200) is fixed at the bottom of the feed cylinder (100), a PLC controller (210) is embedded on the circumference of the weighing cylinder (200), a feed pipe (220) is connected to the bottom of the weighing cylinder (200), and a solenoid valve (230) is installed on the feed pipe (220); The inside of the feeding barrel (100) is uniformly distributed with material cavities (120), and a photoelectric liquid level sensor (140) is fixed to the bottom surface of the feeding barrel (100); A group of evenly distributed electric telescopic rods (310) are fixed to the bottom of the top frame (300), the bottom connecting end of each electric telescopic rod (310) is connected to a sealing member (130), and each sealing member (130) is inserted into each material cavity (120).

2. The feeding mechanism for preparing a polystyrene composite material according to claim 1, characterized in that: A group of the material cavities (120) are distributed in a ring shape, and each of the material cavities (120) has the same capacity.

3. The feeding mechanism for preparing a polystyrene composite material according to claim 1, characterized in that: A through groove is provided on one side of each material cavity (120), and the interior of each through groove is sealed by a glass observation window (110).

4. The feeding mechanism for preparing a polystyrene composite material according to claim 1, characterized in that: The photoelectric liquid level sensor (140) is located on the longitudinal center axis of the feed barrel (100); the photoelectric liquid level sensor (140), the solenoid valve (230) and the electric telescopic rod (310) are electrically connected to the PLC controller (210).

5. The feeding mechanism for preparing a polystyrene composite material according to claim 3, characterized in that: The bottom of the material cavity (120) is a material outlet (121), and the material outlet (121) is a truncated cone-shaped structure.

6. The feeding mechanism for preparing a polystyrene composite material according to claim 5, characterized in that: The sealing member (130) comprises a push rod (131) and a rubber sealing block (132); the rubber sealing block (132) is fixed to the bottom end of the push rod (131), and the top end of the push rod (131) is connected to the connecting end of the electric telescopic rod (310).

7. The feeding mechanism for preparing a polystyrene composite material according to claim 6, characterized in that: The rubber sealing block (132) is a truncated cone-shaped structure, and the cross-sectional diameter at the middle position of the rubber sealing block (132) is larger than the cross-sectional diameter at the bottom of the discharge port (121).

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