Multi-color master batch weighing, metering and proportioning device

Abstract

The utility model discloses a multicolor master batch weighing, metering and proportioning device which comprises at least two weighing barrels, each weighing barrel is connected with a mixing bin through a feeding device, each weighing barrel comprises a barrel body, the bottom of each barrel body is provided with a weighing device, each feeding device comprises a feeding pipe, the bottom of each barrel body is provided with a discharge port communicated with one end of the feeding pipe, and the discharge port is communicated with the mixing bin. The other end of the feeding pipe is communicated with the mixing bin, a feeding screw rod is arranged in the feeding pipe, one end of the feeding screw rod is connected with a first driving device used for driving the feeding screw rod to rotate, the first driving device can drive the feeding screw rod to rotate, and plastic particles in the barrel body are conveyed to the mixing bin through the feeding pipe to be mixed; and meanwhile, the weight of the plastic particles in the barrel body can be weighed through the weighing device, so that the weight of the plastic particles output from the interior of the barrel body can be metered, the plastic particles with different colors can be weighed, metered and proportioned before being mixed, and the proportioning is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing and metering proportioning devices, in particular to a multi-color masterbatch weighing and metering proportioning device. Background Art

[0002] Plastic molding equipment is developed on the basis of rubber machinery and metal die-casting machines. Since the emergence of polymer injection molding technology and simple molding equipment in the 1870s, as an industry, it has not achieved rapid development until the 1930s. Plastic molding equipment has gradually become commercialized, and injection molding and extrusion molding have become industrialized processing methods. Blow molding is the third largest plastic molding method after injection molding and extrusion, and it is also the fastest growing plastic molding method. At present, before entering the plastic molding equipment, plastic particles of two or more colors are mixed by manual or mechanical methods and poured into the plastic molding equipment for molding. Such a process has the problem of inaccurate material ratio. Utility Model Content

[0003] The purpose of the utility model is to overcome the above technical deficiencies, propose a multi-color masterbatch weighing and metering proportioning device, and solve the technical problems in the background technology.

[0004] In order to achieve the above-mentioned technical objectives, the technical solution of the utility model provides a multi-color masterbatch weighing and metering proportioning device, including at least two weighing barrels, each weighing barrel is connected to a mixing bin through a feeding device, the weighing barrel includes a barrel body, a weighing device is installed at the bottom of the barrel body, the feeding device includes a feeding pipe, a discharge port connected to one end of the feeding pipe is provided at the bottom of the barrel body, the other end of the feeding pipe is connected to the mixing bin, a feeding screw is provided inside the feeding pipe, and one end of the feeding screw is connected to a first driving device for driving the feeding screw to rotate.

[0005] Furthermore, the weighing device is a weighing sensor.

[0006] Furthermore, a valve for opening or closing the discharge port is provided inside the discharge port.

[0007] Furthermore, the valve is a pneumatic valve.

[0008] Furthermore, the mixing bin includes a bin body connected to the other end of the feeding pipe, a stirring impeller is provided inside the bin body, and the stirring impeller is connected to a second driving device for driving the stirring impeller to rotate.

[0009] Furthermore, the second driving device is a motor.

[0010] The beneficial effects of the utility model include: the utility model provides a multi-color masterbatch weighing and metering proportioning device, which can drive the feeding screw to rotate through the first driving device, and transport the plastic particles in the barrel body to the mixing bin through the feeding pipe for mixing, and at the same time, the weight of the plastic particles in the barrel body can be weighed by the weighing device, so that the weight of the plastic particles output from the barrel body can be measured, that is, the plastic particles of different colors can be weighed and metered before mixing, and the proportioning is accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of a multi-color masterbatch weighing and proportioning device according to an embodiment of the utility model;

[0012] Figure 2 This is a top view of a multi-color masterbatch weighing and proportioning device according to an embodiment of the utility model;

[0013] In the figure: 1. weighing barrel; 11. barrel body; 111. discharge port; 12. weighing device; 13. valve; 2. feeding device; 21. feeding pipe; 22. feeding screw; 23. first driving device; 3. mixing bin; 31. bin body; 311. discharge port; 32. stirring impeller; 33. second driving device. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] The utility model provides a multi-color masterbatch weighing and proportioning device, such as Figure 1-2 As shown, at least two weighing barrels 1 are included, each weighing barrel 1 is connected to the mixing bin 3 through a feeding device 2, the weighing barrel 1 includes a barrel body 11, a weighing device 12 is installed at the bottom of the barrel body 11, the weighing device 12 is a weighing sensor or a weighing electronic scale, the feeding device 2 includes a feeding pipe 21, a discharge port 111 connected to one end of the feeding pipe 21 is provided at the bottom of the barrel body 11, the other end of the feeding pipe 21 is connected to the mixing bin 3, a feeding screw 22 is provided inside the feeding pipe 21, and one end of the feeding screw 22 is connected to a screw for driving the feeding screw The first driving device 23 is connected to the first driving device 23 for rotation, and the first driving device 23 is one of an electric motor, a hydraulic motor or a pneumatic motor. The first driving device 23 can drive the feeding screw 22 to rotate, and the plastic particles inside the barrel body 11 are transported to the mixing bin 3 through the feeding pipe 21 for mixing. At the same time, the weight of the plastic particles inside the barrel body 11 can be weighed by the weighing device 12, so that the weight of the plastic particles output from the barrel body 11 can be measured, that is, the plastic particles of different colors can be weighed and measured before mixing, and the ratio is accurate.

[0016] It should be noted that the amount of plastic particles between the discharge screw 22 and the feed tube 21 can be measured by measuring the sizes of the discharge screw 22 and the feed tube 21 , and the amount of plastic particles output from the barrel 11 can also be measured according to the rotation speed of the discharge screw 22 .

[0017] In this embodiment, a valve 13 for opening or closing the discharge port is provided inside the discharge port 111. The valve 13 is a pneumatic valve or an electric valve. The discharge port 111 can be opened or closed by the valve 13, so that the amount of plastic particles flowing out of the barrel body 11 can be controlled.

[0018] In this embodiment, the mixing bin 3 includes a bin body 31 connected to the feeding pipe 21, and a stirring impeller 32 is provided inside the bin body 31. The stirring impeller 32 is connected to a second driving device 33 for driving the stirring impeller 32 to rotate. The second driving device is one of an electric motor, a hydraulic motor or a pneumatic motor. The stirring impeller 32 can be driven to rotate by the second driving device 33 to stir and mix plastic particles of different colors inside the bin body 31. At the same time, a discharge port 311 is provided at the bottom of the bin body 31. After the plastic particles of different colors inside the bin body 31 are stirred and mixed, they can flow out through the discharge port 311 and enter the plastic molding processing equipment for molding processing.

[0019] Specific principle: When in use, plastic particles of different colors are poured into the barrel body 11, and the feeding screw 22 can be driven to rotate by the first driving device 23 to transport the plastic particles in the barrel body 11 to the interior of the bin through the feeding pipe 21. At the same time, the weight of the plastic particles in the barrel body 11 can be weighed by the weighing device 12, so that the weight of the plastic particles output from the barrel body 11 can be measured, and the plastic particles of different colors can be weighed and proportioned before mixing, and the proportion is accurate. The stirring impeller 32 can be driven to rotate by the second driving device 33 to stir and mix the plastic particles of different colors in the bin body 31. After being stirred and mixed, the plastic particles of different colors in the bin body 31 can flow out through the discharge port 311 and enter the plastic molding processing equipment for molding processing.

[0020] The multi-color masterbatch weighing and proportioning device of the embodiment of the utility model can drive the feeding screw to rotate through the first driving device 23, and transport the plastic particles inside the barrel body 11 to the mixing bin 3 for mixing through the feeding pipe 21. At the same time, the weight of the plastic particles inside the barrel body 11 can be weighed by the weighing device 12, so that the weight of the plastic particles output from the barrel body 11 can be measured, that is, the plastic particles of different colors can be weighed and proportioned before mixing, and the proportioning is accurate.

[0021] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A multi-color masterbatch weighing and proportioning device, characterized in that: The invention comprises at least two weighing barrels (1), each weighing barrel (1) being connected to a mixing bin (3) via a feeding device (2), the weighing barrel (1) comprising a barrel body (11), a weighing device (12) being installed at the bottom of the barrel body (11), the feeding device (2) comprising a feeding pipe (21), a discharge port (111) being provided at the bottom of the barrel body (11) and being connected to one end of the feeding pipe (21), the other end of the feeding pipe (21) being connected to the mixing bin (3), a feeding screw (22) being provided inside the feeding pipe (21), one end of the feeding screw (22) being connected to a first driving device (23) for driving the feeding screw (22) to rotate.

2. A multi-color masterbatch weighing and proportioning device according to claim 1, characterized in that: The weighing device (12) is a weighing sensor.

3. A multi-color masterbatch weighing and proportioning device according to claim 1, characterized in that: A valve (13) for opening or closing the discharge port (111) is provided inside the discharge port (111).

4. A multi-color masterbatch weighing and proportioning device according to claim 3, characterized in that: The valve (13) is a pneumatic valve.

5. A multi-color masterbatch weighing and proportioning device according to claim 1, characterized in that: The mixing bin (3) comprises a bin body (31) connected to the other end of the feeding pipe (21), a stirring impeller (32) is arranged inside the bin body (31), and the stirring impeller (32) is connected to a second driving device (33) for driving the stirring impeller (32) to rotate.

6. A multi-color masterbatch weighing and proportioning device according to claim 5, characterized in that: The second driving device (33) is a motor.

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