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dry Gravimetric blender


source:[Gravimetric blender]   release time:2021-04-12 16:15:34




In the plastic injection molding process, the plastic parts used for injection molding are usually mixed with plastic particles of different components. In order to ensure that the injection molded plastic parts can achieve the expected physical and chemical properties, it must be strictly based on the production process Control the weight ratio of the different components of the plastic particles, so the plastic particles should be weighed before mixing. Since most traditional methods use manual weighing, manual weighing will cause various errors, and the weight ratio of each component is not satisfactory for production. Process requirements have led to injection-molded plastic parts that fail to meet the requirements of relevant technical standards. Therefore, it is necessary to solve the above-mentioned problems.

Technical realization elements:
In order to overcome the shortcomings of the prior art, the utility model provides a dry Gravimetric blender.
The technical scheme adopted by the utility model to solve its technical problems is:
A dry-process Gravimetric blender includes a chassis, a plurality of feeding hoppers are installed at the upper end of the chassis, a discharge hopper with a foot stand is connected to the lower end of the chassis, and the upper part of the inner cavity of the chassis is provided with An initial detection device for measuring incoming materials from a hopper, the initial detection device includes a weighing container with a position sensor, a hinged baffle plate is arranged at the lower part of the weighing container, and the baffle plate An air cylinder is connected, and a belt scale and a mixing guide rail are arranged at the lower end of the chassis.
As a preferred item, the lower part of the inner cavity of the cabinet is provided with a stirring device for mixing plastic particles, and a control panel connected with the initial detection device and the stirring device is installed on the outer wall of the cabinet.
As a preferred item, the stirring device includes a horizontal stirring shaft and a threaded plate on the horizontal stirring shaft.

As a preferred item, the number of the feed hopper is two, and a suction machine and a suction machine guide rail for supplying materials to the feed hopper are installed above the feed hopper.

As a preferred item, a discharge sliding door and a transition hopper are provided on the lower side of the belt scale.

The beneficial effects of the utility model are: the system meets the needs of the dry mixing process, through the design of the initial detection device and the belt scale, the weight of the plastic particles of different components in each feed hopper is automatically and accurately measured, which improves the plastic product The accuracy of the distribution ratio of each component makes the material chemical properties of the product meet the requirements of relevant technical standards, ensuring product quality, and improving the level of large-scale production of the product.


Detailed ways

In order to make the purpose, technical solutions, and advantages of the present application clearer, the following further describes the present utility model in detail with reference to the accompanying drawings and embodiments. For a thorough understanding of the present invention, some specific details will be involved in the following description. Without these specific details, the invention can still be realized, that is, those skilled in the art can use these descriptions and statements here to more effectively introduce the essence of their work to other technicians in the art. In addition, it should be noted that the words "front", "rear side", "left", "right", "upper", "lower", etc. used in the following description refer to the directions in the drawings. The words "inner" and "outer" respectively refer to the direction toward or away from the geometric center of a specific component. The relevant technical personnel should not be construed as technologies outside the scope of protection of this application if they make simple and creative adjustments to the above directions. It should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the actual protection scope. In order to avoid obscuring the purpose of the present invention, since the well-known manufacturing methods, control procedures, component sizes, material compositions, pipeline layouts, etc. are already easily understood, they have not been described in detail.

dry Gravimetric blender,Gravimetric blender
1. A dry-process Gravimetric blender, comprising a chassis 1, a plurality of feeding hoppers 2 are installed at the upper end of the chassis 1, and a discharge hopper 4 with a foot stand 3 is connected to the lower end of the chassis 1. The upper part of the inner cavity of the cabinet 1 is provided with an initial detection device for measuring the incoming material of the hopper 2. The initial detection device includes a weighing container 5 with a position sensor, and a lower part of the weighing container 5 is provided with a A sheet-type baffle plate 6 is connected with an air cylinder, and the powder material is closed and opened by the air cylinder at the bottom of the base bin. The lower end of the chassis 1 is provided with a belt scale 7 and a mixing rail 11. In actual work, the position sensor of the initial detection device detects the powder. When the powder in the weighing container 5 reaches the high position, the baffle 6 is closed, and the conveying device on the hopper 2 stops feeding. The conveying device starts to feed, the powder is lower than the low level and the detection timing, the equipment is out of material alarms and shuts down.

For another embodiment, refer to a dry Gravimetric blender in FIG. 1, wherein the “embodiment” referred to herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation of the present application. The appearances of "in an embodiment" in different places in this specification do not all refer to the same embodiment, nor are they separate or selectively mutually exclusive embodiments with other embodiments. The embodiment includes a chassis 1, a plurality of feeding hoppers 2 are installed at the upper end of the chassis 1, a discharge hopper 4 with a foot stand 3 is connected to the lower end of the chassis 1, and the upper part of the inner cavity of the chassis 1 is provided for feeding in An initial detection device for measuring incoming materials from the hopper 2. The initial detection device includes a weighing container 5 with a position sensor. A hinged baffle plate 6 is provided at the lower part of the weighing container 5, and the stopper The material plate 6 is connected with an air cylinder, and the material baffle plate 6 and the air cylinder are combined into a gate type electric pneumatic door. The lower part of the inner cavity of the cabinet 1 is provided with a stirring device 8 for mixing plastic particles, and a control panel connected with the preliminary detection device and the stirring device 8 is installed on the outer wall of the cabinet 1 for easy control. The stirring device 8 includes a horizontal stirring shaft 81 and a threaded plate on the horizontal stirring shaft 81, which not only improves the mixing effect, but also prevents the stirring device 8 from hitting the position sensor. The lower end of the chassis 1 is provided with a belt scale 7 and a mixing guide rail 11 to facilitate flexible cloth distribution.

In another embodiment, a dry-process Gravimetric blender of 1, includes a chassis 1, a plurality of feeding hoppers 2 are installed at the upper end of the chassis 1, and an outlet with a foot stand 3 is connected to the lower end of the chassis 1 The hopper 4, the lower end of the chassis 1 is provided with a belt scale 7 and a mixing guide 11, the number of the feed hopper 2 is two, and the feed hopper 2 is installed above the feed hopper 2 The suction machine 9 and the suction machine guide rail 91, and the suction machine 9 and the feeding hopper 2 can move together to facilitate batching.

The upper part of the inner cavity of the cabinet 1 is provided with an initial detection device for measuring the incoming material of the hopper 2. The initial detection device includes a weighing container 5 with a position sensor, and the lower part of the weighing container 5 is provided There is a hinged baffle plate 6, and the baffle plate 6 is connected with an air cylinder. The lower side of the belt scale 7 is provided with a discharge sliding door 71 and a transition hopper 72 to prevent the material on the belt scale 7 from being spilled outside during transportation to the next process.

Based on the above principles, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present utility model should also fall within the protection scope of the claims of the present utility model.


Technical characteristics:


1. A dry-Gravimetric blender, comprising a cabinet (1), a plurality of feeding hoppers (2) are installed at the upper end of the cabinet (1), and a tripod is connected at the lower end of the cabinet (1). The cabinet (1) (3) is characterized in that: the discharge hopper (4) is characterized in that: the upper part of the inner cavity of the cabinet (1) is provided with an initial detection device for detecting the feed of the hopper (2). The initial detection device includes a weighing container (5) with a position sensor. The lower part of the weighing container (5) is provided with a hinged baffle (6), and the baffle (6) is connected with the air. The cylinder and the chassis (1) are provided with a belt scale (7) and a mixing guide (11) at the lower end.

2. The dry-Gravimetric blender according to claim 1, characterized in that: the lower part of the inner cavity of the cabinet body (1) is provided with a stirring device (8) for mixing plastic particles, and the cabinet body The device (1) in the outer wall (1) is equipped with a control panel connected with the initial detection device and the stirring device (8).

3. The dry-Gravimetric blender according to claim 2, characterized in that: the stirring device (8) comprises a horizontal stirring shaft (81) and a threaded plate on the horizontal stirring shaft (81).

4. The dry-mix automatic weighing system according to claim 1, characterized in that: the number of the feeding hopper (2) is two, and the feeding hopper (2) is installed in the suction machine (9). ) And above the suction machine. The guide rail (91) provided by the hopper (2).

The dry Gravimetric blender according to claim 1, characterized in that: the lower side of the belt scale (7) is provided with a discharge sliding door (71) and a transition hopper (72).

Technical summary
The utility model discloses a dry-process Gravimetric blender, which comprises a chassis. A plurality of feed hoppers are installed at the upper end of the chassis, and a discharge hopper with a foot stand is connected to the lower end of the chassis. The inner cavity of the chassis The upper part of the weighing container is provided with an initial detection device for measuring the incoming material of the hopper, the initial detection device includes a weighing container with a position sensor, and a hinged baffle plate is arranged on the lower part of the weighing container, The baffle plate is connected with an air cylinder, and the lower end of the chassis is provided with a belt scale and a mixing rail; the system meets the needs of the dry mixing process, and the design of the belt scale is matched with the preliminary detection device. The different components in each hopper The weight of the plastic particles is automatically and accurately measured, which improves the accuracy of the distribution ratio of each component in the plastic product, so that the chemical properties of the product meet the requirements of relevant technical standards, ensure product quality, and improve the level of large-scale production of the product.[Gravimetric blender]