Plastic particle mixing and weighing device and plastic color matching machine

Abstract

The utility model belongs to the technical field of plastic color matching machines, in particular to a plastic particle mixing and weighing device and a plastic color matching machine, which comprise a mixing shell with a mixing cavity, a weighing container is arranged in the mixing cavity, the weighing container is fixedly connected with the mixing shell through a weighing sensor, and the mixing shell is fixedly connected with the weighing sensor. The mixing shell is provided with a plurality of feeding vessels with discharging ports communicated with an inner cavity of the weighing container, the feeding vessels are used for containing different types of plastic particles, and a weighing discharging port communicated with an inner cavity of the mixing shell is formed in the bottom of the weighing container. The weighing container is provided with a weighing valve assembly capable of blocking or conducting the weighing discharging port, and a mixing discharging port is formed in the bottom of the mutual mixing shell. The plastic particle weighing device is simple in structure, reasonable in design and low in cost, the rated weight of plastic particles can be weighed by the weighing sensor in the weighing container, various plastic particles are sequentially weighed by the weighing container and then mixed in the mixing container according to a certain proportion, and the automation degree and the operation efficiency are high.

Description

Technical field:

[0001] The utility model belongs to the technical field of plastic color matching machines, in particular to a plastic particle mixing weighing device and a plastic color matching machine. Background technology:

[0002] Plastic coloring is generally achieved by adding color powder and plastic particles during production to meet color requirements, while plastic particles can be colored according to the color specified by the customer by using a plastic color matching machine to mix a certain proportion of color powder and plastic particles.

[0003] There are many varieties of existing plastic particles, such as filled plastic particles, hygroscopic and defoaming plastic particles, flame retardant plastic particles, conductive plastic particles, foamed plastic particles, etc. At present, the market not only requires plastic products to have high quality, but also requires them to have more functionality to meet the needs of different users, that is, first mix a variety of plastic particles in a certain proportion, then match the color through a plastic color matching machine, and finally perform injection molding or blow molding. However, the proportioning and weighing of various plastic particles are currently done manually, which is time-consuming, labor-intensive, and has a large workload and low operating efficiency. Summary of the invention:

[0004] The utility model aims to provide a plastic particle intermixing weighing device, wherein the plastic particles can be weighed in a weighing container by a weighing sensor to obtain a rated weight, and multiple plastic particles are weighed in the weighing container in sequence and then mixed in a certain proportion in the intermixing container, with a high degree of automation and operating efficiency.

[0005] The utility model is achieved in this way:

[0006] A plastic particle mixing and weighing device comprises a mixing shell with a mixing cavity, a weighing container is arranged in the mixing cavity, the weighing container is fixedly connected to the mixing shell through a weighing sensor, a plurality of feeding vessels whose discharge ports are connected to the inner cavity of the weighing container are arranged on the mixing shell, and each feeding vessel is used to fill different types of plastic particles, a weighing discharge port connected to the inner cavity of the mixing shell is arranged at the bottom of the weighing container, a weighing valve assembly capable of blocking or conducting the weighing discharge port is arranged on the weighing container, and a mixing discharge port is arranged at the bottom of the mixing shell.

[0007] In the above-mentioned plastic particle mixing and weighing device, a feed valve assembly is arranged between the discharge port of the feed vessel and the inner cavity of the weighing container.

[0008] In the above-mentioned plastic particle mixing and weighing device, the feed valve assembly includes a feed valve plate slidably connected to the mixing shell, the number and position of the feed valve plates correspond one-to-one to the discharge port of the feed vessel, and one end of the feed valve plate is transmission-connected to the telescopic end of the feed cylinder fixed on the mixing shell, and the feed cylinder drives the feed valve plate to slide inward and outward to achieve the feed valve plate blocking or opening the discharge port of the corresponding feed vessel.

[0009] In the above-mentioned plastic particle mixing and weighing device, the feed vessel is fixed on the top of the mixing shell, the weighing container is a funnel structure, and the upper funnel port of the weighing container is located directly below the discharge port of each feed vessel.

[0010] In the above-mentioned plastic particle mixing weighing device, the weighing valve assembly includes a weighing valve hinged on the outer wall of the weighing container, one end of the weighing valve is transmission-connected to the telescopic end of the weighing cylinder fixed on the weighing container, and the other end corresponds to the position of the weighing discharge port. The weighing cylinder drives the weighing valve plate to flip so as to achieve the weighing valve plate blocking or opening the weighing discharge port.

[0011] In the above-mentioned plastic particle mixing and weighing device, an assembly through hole is opened on the upper part of the feeding vessel, and a level sensor capable of detecting the level of the plastic particles in the corresponding feeding vessel is arranged on the assembly through hole.

[0012] In the above-mentioned plastic particle mixing and weighing device, a feeding port is provided at the top of the feeding vessel, and the feeding port is communicated with a feeding port of a cyclone feeding device fixed on the feeding vessel.

[0013] Another object of the utility model is to provide a plastic color matching machine, comprising any one of the above-mentioned plastic particle mixing and weighing devices, wherein the feed port of the plastic color matching machine is connected to the mixing and discharging port of the mixing shell.

[0014] The outstanding advantages of the utility model compared with the prior art are:

[0015] The utility model has a simple structure, reasonable design and low cost. Plastic particles can be weighed in a weighing container by a weighing sensor to obtain a rated weight, and multiple plastic particles are weighed in the weighing container in turn and mixed in a mixing container in a certain proportion. The utility model has a high degree of automation and operating efficiency. Description of the drawings:

[0016] Figure 1 It is an overall stereogram of the utility model assembled on a plastic color matching machine;

[0017] Figure 2 This is a cross-sectional view of a plastic particle mixing weighing device of the utility model. Figure 1 ;

[0018] Figure 3 This is a cross-sectional view of a plastic particle mixing weighing device of the utility model. Figure 2 .

[0019] In the figure: 1. mixing shell; 2. weighing container; 3. weighing sensor; 4. feeding vessel; 5. feeding valve plate; 6. feeding cylinder; 7. weighing valve; 8. weighing cylinder; 9. assembly through hole; 10. cyclone feeding device; 11. plastic color matching machine. Specific implementation method:

[0020] The present invention is further described below with reference to specific embodiments. Figure 1 —3:

[0021] A plastic particle mixing and weighing device comprises a mixing shell 1 having a mixing cavity, a weighing container 2 is arranged in the mixing cavity, the weighing container 2 is fixedly connected to the mixing shell 1 through a weighing sensor 3, the mixing shell 1 is provided with a plurality of feeding vessels 4 whose discharge ports are connected to the inner cavity of the weighing container 2, and each feeding vessel 4 is used to fill different types of plastic particles, a weighing discharge port connected to the inner cavity of the mixing shell 1 is provided at the bottom of the weighing container 2, a weighing valve assembly capable of blocking or conducting the weighing discharge port is provided on the weighing container 2, and a mixing discharge port is provided at the bottom of the mixing shell 1.

[0022] The utility model has a simple structure, reasonable design and low cost. Plastic particles can be weighed in a weighing container 2 by a weighing sensor 3 to obtain a rated weight, and multiple plastic particles are weighed in the weighing container 2 in turn and mixed in a mixing container in a certain proportion. The utility model has a high degree of automation and operating efficiency.

[0023] Furthermore, in order to effectively control the amount of plastic particles entering the weighing container 2 from the feeding vessel 4 , a feeding valve assembly is provided between the discharge port of the feeding vessel 4 and the inner cavity of the weighing container 2 .

[0024] Furthermore, the feed valve assembly can be a common flip valve structure, and in the present embodiment, the feed valve assembly includes a feed valve plate 5 slidably connected to the intermixing shell 1, the number and position of the feed valve plates 5 correspond one-to-one to the discharge port of the feed vessel 4, and one end of the feed valve plate 5 is transmission-connected to the telescopic end of the feed cylinder 6 fixed on the intermixing shell 1, and the feed cylinder 6 drives the feed valve plate 5 to slide inwards and outwards, so as to achieve the feed valve plate 5 blocking or opening the discharge port of the corresponding feed vessel 4.

[0025] At the same time, in order to enable each feeding vessel 4 to effectively drop the plastic particles into the weighing container 2, the feeding vessel 4 is fixed on the top of the mixing shell, the weighing container 2 is a funnel structure, and the upper funnel end of the weighing container 2 is located directly below the discharge port of each feeding vessel 4.

[0026] Furthermore, the specific structure adopted by the weighing valve assembly is: the weighing valve assembly includes a weighing valve 7 hinged on the outer wall of the weighing container 2, one end of the weighing valve 7 is transmission connected to the telescopic end of the weighing cylinder 8 fixed on the weighing container 2, and the other end corresponds to the position of the weighing discharge port. The weighing cylinder 8 drives the weighing valve plate to flip so as to achieve the weighing valve plate blocking or opening the weighing discharge port.

[0027] Due to the setting of the feed valve assembly, in order to prevent an excessive amount of plastic particles in the feed vessel 4, an assembly through hole 9 is opened on the upper portion of the feed vessel 4, and a level sensor capable of detecting the level of the plastic particles in the corresponding feed vessel 4 is arranged on the assembly through hole 9.

[0028] In addition, in order to facilitate the plastic particles to enter the feeding vessel 4, a feeding port is opened at the top of the feeding vessel 4, and the feeding port is connected to the discharge port of the cyclone feeding device 10 fixed on the feeding vessel 4.

[0029] Another object of the present invention is to provide a plastic color matching machine 11, comprising any one of the above-mentioned plastic particle mixing and weighing devices, wherein the feed port of the plastic color matching machine 11 is connected to the mixing and discharging port of the mixing shell 1.

[0030] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A plastic particle mixing weighing device, characterized in that: The invention comprises a mixing shell (1) having a mixing cavity, wherein a weighing container (2) is arranged in the mixing cavity, the weighing container (2) is fixedly connected to the mixing shell (1) via a weighing sensor (3), the mixing shell (1) is provided with a plurality of feeding vessels (4) which are connected to the inner cavity of the weighing container (2), and each feeding vessel (4) is used to fill different types of plastic particles, a weighing discharge port connected to the inner cavity of the mixing shell (1) is provided at the bottom of the weighing container (2), a weighing valve assembly which can block or open the weighing discharge port is provided on the weighing container (2), and a mixing discharge port is provided at the bottom of the mixing shell (1).

2. A plastic particle mixing weighing device according to claim 1, characterized in that: A feed valve assembly is provided between the discharge port of the feed vessel (4) and the inner cavity of the weighing container (2).

3. A plastic particle mixing weighing device according to claim 2, characterized in that: The feed valve assembly comprises a feed valve plate (5) slidably connected to the intermixing shell (1); the number and position of the feed valve plates (5) correspond one-to-one to the discharge ports of the feed vessels (4); one end of the feed valve plate (5) is transmission-connected to the telescopic end of a feed cylinder (6) fixed to the intermixing shell (1); the feed cylinder (6) drives the feed valve plate (5) to slide inward and outward, so as to enable the feed valve plate (5) to block or open the discharge port of the corresponding feed vessel (4).

4. A plastic particle mixing weighing device according to claim 1 or 2, characterized in that: The feeding vessel (4) is fixed on the top of the mixing shell, the weighing container (2) is in a funnel structure, and the upper funnel port of the weighing container (2) is located directly below the discharge port of each feeding vessel (4).

5. A plastic particle mixing weighing device according to claim 1, characterized in that: The weighing valve assembly comprises a weighing valve (7) hinged on the outer wall of a weighing container (2); one end of the weighing valve (7) is drivingly connected to the telescopic end of a weighing cylinder (8) fixed on the weighing container (2); the other end of the weighing valve (7) corresponds to the position of the weighing discharge port; the weighing cylinder (8) drives the weighing valve plate to flip, so as to achieve the weighing valve plate blocking or opening the weighing discharge port.

6. A plastic particle mixing weighing device according to claim 2, characterized in that: An assembly through hole (9) is provided on the upper portion of the feeding vessel (4), and a material level sensor capable of detecting the material level of plastic particles in the corresponding feeding vessel (4) is provided on the assembly through hole (9).

7. A plastic particle mixing weighing device according to claim 1 or 2, characterized in that: A feeding port is provided at the top of the feeding vessel (4), and the feeding port is connected to a feeding port of a cyclone feeding device (10) fixed on the feeding vessel (4).

8. A plastic color matching machine, characterized in that: A plastic particle mixing and weighing device comprising any one of claims 1 to 7, wherein the feed port of the plastic color matching machine (11) is connected to the mixing discharge port of the mixing shell (1).

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