A plastic masterbatch weighing machine

Abstract

This utility model relates to the field of plastic masterbatch weighing technology, specifically disclosing a plastic masterbatch weighing machine, including a base, a weighing machine fixedly connected to the top center of the base, a top plate fixedly connected to the top of the base, a hopper fixedly installed on the top plate, an inlet fixedly connected to one side of the top of the hopper, and a discharge valve fixedly connected to the bottom of the hopper. A stirring component is installed inside the hopper, and a heating structure is installed on the stirring component. The discharge valve passes through the top plate and is located above the weighing machine. A cleaning component is movably connected to one side of the top of the weighing machine. A horizontally movable cleaning roller is installed on one side of the weighing pan. This cleaning roller rotates at high speed driven by a motor, causing the cleaning brushes on its surface to contact the surface of the weighing pan, thereby cleaning the fine dust or plastic impurities adhering to the weighing pan, improving the cleanliness of the weighing pan surface, and ensuring the accuracy of subsequent weighing.

Description

Technical Field

[0001] This utility model relates to the field of plastic masterbatch weighing technology, and in particular to a plastic masterbatch weighing machine. Background Technology

[0002] A search revealed that patent number CN202420309586.9 discloses a plastic masterbatch weighing machine. To address the problem that metal particles are easily present in plastic masterbatch during production, and that the sieving and weighing process only separates the size of the masterbatch, making it difficult to remove metal particles and affecting the subsequent use of the masterbatch, this application uses a motor to rotate an electromagnetic block and a rotating rod. The plastic masterbatch rotates within a storage tank, and the energized electromagnetic block attracts the metal particles. The top cover of the storage tank can be removed to extract the metal particles. An electric push rod then drives a baffle plate in a reciprocating motion, moving the baffle plate away from the bottom opening of the discharge pipe. Under gravity, the plastic masterbatch falls downwards and enters the bottom frame, allowing the weighing scale to complete the weighing of the plastic masterbatch.

[0003] In practical use, the existing technology has been found to have the following problems: During the weighing process, after the plastic masterbatch falls onto the weighing platform, the plastic masterbatch often carries a certain amount of static electricity and stickiness, and the particles may contain fine dust, which is very easy to adhere to the inner wall or edge of the weighing pan, thus affecting the accuracy of subsequent weighing.

[0004] Therefore, we propose a plastic masterbatch weighing machine. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] This utility model provides a plastic masterbatch weighing machine, which can solve the problem of fine dust falling onto the weighing pan and affecting the accuracy of subsequent weighing. The specific solution is as follows:

[0007] A plastic masterbatch weighing machine includes a base, a weighing machine fixedly connected to the top center of the base, a top plate fixedly connected to the top of the base, a hopper fixedly installed on the top plate, an inlet fixedly connected to one side of the top of the hopper, a discharge valve fixedly connected to the bottom of the hopper, a stirring component provided inside the hopper, a heating structure provided on the stirring component, and the discharge valve penetrating through the top plate and positioned above the weighing machine; a cleaning component is movably connected to one side of the top of the weighing machine.

[0008] As a preferred embodiment of this utility model, a weighing pan is fixedly connected to the top of the weighing machine, a display and digital buttons are provided on the front of the weighing machine, and support rods are fixedly provided on both sides of the weighing machine, with the ends of the support rods connected to the inner side of the base.

[0009] As a preferred embodiment of this utility model, the cleaning component includes a side plate, which is fixedly installed on one side of the top of the weighing pan. An electric guide rail is fixedly connected to the inner side of the side plate, and a movable block is driven and connected to the middle of the electric guide rail.

[0010] As a preferred embodiment of this utility model, a motor is fixedly installed at the end of the movable block, and the output end of the motor drives and connects to the cleaning roller. Cleaning brushes are provided around the surface of the cleaning roller, and the cleaning brushes adhere to the surface of the weighing pan as the cleaning roller rotates.

[0011] As a preferred embodiment of this utility model, the stirring component includes a motor installed on the top of the silo, the output end of the motor drives a connecting rod, the connecting rod is built into the central axis of the silo, and several sets of stirring rollers are sleeved on the middle of the connecting rod.

[0012] As a preferred embodiment of this utility model, the heating structure includes a heating rod embedded in the middle of the stirring rod, the stirring rod being made of stainless steel, and a sealing cap being threaded to the end of the stirring rod.

[0013] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0014] By setting a cleaning roller that can move laterally on one side of the weighing pan, the cleaning roller rotates at high speed driven by the motor, driving the cleaning brush on its surface to contact the surface of the weighing pan, thereby cleaning the fine dust or plastic impurities attached to the weighing pan, improving the cleanliness of the weighing pan surface, and ensuring the accuracy of subsequent weighing.

[0015] Furthermore, when the stirring component rotates, the built-in heating structure can precisely control the temperature of the material in the hopper at 40-80℃, accelerating the evaporation of moisture through heating; at the same time, stirring ensures that the masterbatch is fully turned over, ensuring that each particle can come into contact with the heat source, avoiding local moisture residue, and ensuring stable feeding.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the weighing machine structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the stirring component structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the stirring rod of this utility model;

[0022] The reference numerals in the attached figures are as follows:

[0023] 1. Base; 2. Top plate; 3. Weighing machine; 4. Discharge valve; 5. Hopper; 6. Motor; 7. Inlet; 8. Weighing pan; 9. Cleaning roller; 10. Electric guide rail; 11. Movable block; 12. Side plate; 13. Motor; 14. Smooth rod; 15. Stirring roller; 16. Sealing cover; 17. Heating rod. Detailed Implementation

[0024] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and, together with the embodiments of the present invention, serve to illustrate the principles of the present invention.

[0025] See Figures 1-4 This utility model provides a plastic masterbatch weighing machine, including a base 1, a weighing machine 3 fixedly connected to the top center of the base 1, a top plate 2 fixedly connected to the top of the base 1, a hopper 5 fixedly installed on the top plate 2, an inlet 7 fixedly connected to one side of the top of the hopper 5, a discharge valve 4 fixedly connected to the bottom of the hopper 5, a stirring component is provided inside the hopper 5, a heating structure is provided on the stirring component, the discharge valve 4 passes through the top plate 2 and is located above the weighing machine 3; a cleaning component is movably connected to one side of the top of the weighing machine 3.

[0026] Weighing pan 8 is fixedly connected to the top of the weighing machine 3. A display and digital buttons are opened on the front of the weighing machine 3. Support rods are fixedly installed on both sides of the weighing machine 3, and the ends of the support rods are connected to the inner side of the base 1.

[0027] The cleaning component includes a side plate 12, which is fixedly installed on one side of the top of the weighing pan 8. An electric guide rail 10 is fixedly connected to the inner side of the side plate 12. A movable block 11 is connected to the middle of the electric guide rail 10. When the electric guide rail 10 is started, it drives the movable block 11 to move laterally. As can be seen from the figure, the lateral movement covers the entire upper surface of the weighing pan 8, thus increasing the cleaning range.

[0028] A motor 13 is fixedly installed at the end of the movable block 11. The output of the motor 13 drives the cleaning roller 9. Cleaning brushes are provided around the surface of the cleaning roller 9. As the cleaning roller 9 rotates, the cleaning brushes adhere to the surface of the weighing pan 8. The motor 13 drives the cleaning roller 9 to rotate rapidly, and the brushes can thoroughly sweep across the plane, edges, and corners of the weighing pan, immediately sweeping residual particles into the waste recycling channel or return bin, restoring the weighing pan to a "zero load" state. This can reduce the weighing error caused by residue from 0.5%-1% to below 0.05%, which is especially suitable for the production of modified plastics with extremely high requirements for proportioning accuracy. Compared with manual wiping, the rotating brushes can more thoroughly remove small residues in the crevices, and the cleaning process is fully automated without human contact, physically cutting off the path of "mixing of materials from different batches". For multi-variety, small-batch production scenarios, this structure can significantly reduce the risk of batch scrap.

[0029] The stirring component includes a motor 6 installed on the top of the hopper 5. The output end of the motor 6 drives the connecting rod 14. The connecting rod 14 is built into the central axis of the hopper 5. Several sets of stirring rollers 15 are sleeved in the middle of the connecting rod 14.

[0030] The heating structure includes a heating rod 17 embedded in the middle of the stirring roller 15. The stirring roller 15 is made of stainless steel, and the end of the stirring roller 15 is threadedly connected to a sealing cap 16. Heat transfer is achieved by setting the heating rod 17 to the stirring roller 15. When the stirring roller 15 is stirring inside the hopper 5, it drives the plastic masterbatch to turn over. When the stirring component rotates, the built-in heating rod 17 can accurately control the temperature of the material in the hopper at 40-80℃ (adjusted according to the heat resistance of the masterbatch to avoid overheating and degradation), and accelerate the evaporation of moisture by "raising the temperature". At the same time, stirring makes the masterbatch turn over fully, ensuring that each particle can contact the heat source and avoid local moisture residue. Heating and stirring can complete the drying process simultaneously in the "pre-processing" of waiting for the material to be weighed, shortening the dehumidification time to less than 30 minutes, and controlling the moisture content of the masterbatch to less than 0.1%, eliminating the interference of moisture weight from the source. Heating can reduce the surface tension and viscosity of the masterbatch, reducing the adhesion between the particles and the inner wall of the hopper. When the stirring blades rotate, they can scrape the side wall of the hopper and "sweep" the material hanging on the wall into the discharge channel.

[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the present application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0033] The devices or elements referred to in the embodiments of this application or implied herein must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of this application. In the description of the embodiments of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A plastic masterbatch weighing machine, comprising a base (1), characterized in that: The weighing machine (3) is fixedly connected to the top center of the base (1), the top plate (2) is fixedly connected to the top of the base (1), a hopper (5) is fixedly installed on the top plate (2), a feed inlet (7) is fixedly connected to one side of the top of the hopper (5), a discharge valve (4) is fixedly connected to the bottom of the hopper (5), a stirring component is provided inside the hopper (5), a heating structure is provided on the stirring component, the discharge valve (4) passes through the top plate (2) and is located above the weighing machine (3); a cleaning component is movably connected to one side of the top of the weighing machine (3).

2. The plastic masterbatch weighing machine as described in claim 1, characterized in that: The weighing machine (3) is fixedly connected to the top of the weighing pan (8). The weighing machine (3) has a display and digital buttons on the front. Support rods are fixedly installed on both sides of the weighing machine (3). The ends of the support rods are connected to the inner side of the base (1).

3. The plastic masterbatch weighing machine as described in claim 2, characterized in that: The cleaning assembly includes a side plate (12), which is fixedly installed on one side of the top of the weighing pan (8). An electric guide rail (10) is fixedly connected to the inner side of the side plate (12), and a movable block (11) is driven and connected to the middle of the electric guide rail (10).

4. A plastic masterbatch weighing machine as described in claim 3, characterized in that: A motor (13) is fixedly installed at the end of the movable block (11). The output end of the motor (13) drives the cleaning roller (9). Cleaning brushes are opened around the surface of the cleaning roller (9). The cleaning brushes are in contact with the surface of the weighing pan (8) as the cleaning roller (9) rotates.

5. A plastic masterbatch weighing machine as described in claim 1, characterized in that: The stirring component includes a motor (6) installed on the top of the hopper (5). The output end of the motor (6) drives a light rod (14). The light rod (14) is built into the central axis of the hopper (5). Several sets of stirring rollers (15) are sleeved in the middle of the light rod (14).

6. A plastic masterbatch weighing machine as described in claim 5, characterized in that: The heating structure includes a heating rod (17) embedded in the middle of the stirring rod (15), the stirring rod (15) is made of stainless steel, and the end of the stirring rod (15) is threadedly connected to a sealing cap (16).

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