Plastic particle mixing and stirring device

Abstract

The utility model particularly relates to the technical field of plastic production, and discloses a plastic particle mixing and stirring device which comprises a tank body, an end cover is fixedly arranged at the top end of the tank body, a first servo motor is fixedly arranged in the middle of the end cover, and two air cylinders are symmetrically and fixedly arranged on the surface, close to the first servo motor, of the end cover. The output ends of the two air cylinders penetrate through the end cover to be fixedly provided with supporting frames, gear rings are rotationally connected to the side walls, close to the tank body, of the supporting frames, and limiting grooves are formed in the side walls of the supporting frames for rotation of the gear rings. Through the arrangement of the air cylinder, the supporting frame, the gear ring, the clamping block, the brush, the installation base, the second servo motor and the second notch, the second servo motor is started to drive the gear to rotate so as to drive the gear ring to rotate at the constant speed in the limiting groove, and therefore the brush can evenly clean the inner side wall of the tank body, and the height of the supporting frame can be adjusted by starting the air cylinder; the cleaning range and efficiency of the tank body are expanded, the cleaning convenience of the interior of the tank body is improved, color deviation caused by tank body pollution is reduced, and the product quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic production, and in particular relates to a plastic particle mixing and stirring device. Background Art

[0002] Plastic granules are a kind of raw material for injection molding of plastic products. During the injection molding process, plastic granules need to be mixed with different masterbatch granules in proportion, and then the mixture is melted, injection molded, and cooled to achieve the color adjustment of the plastic products.

[0003] Existing plastic particle mixing and stirring devices usually use a motor to drive a stirring roller to rotate and mix plastic particles. Masterbatch particles are usually mixed with high-concentration pigments or dyes and carrier resins. During the discharge of the mixture, there is a risk that the masterbatch particles adhere to the inner wall of the tank body, causing the tank body to be contaminated, thereby affecting the color consistency of the plastic particle mixture in subsequent production batches, reducing the quality of color adjustment for preparing plastic particle mixtures of different colors, and increasing the difficulty and cost of color adjustment. Utility Model Content

[0004] The utility model provides a plastic particle mixing and stirring device, which aims to solve the problem that, during the discharge process of the mixture, there is a risk that masterbatch particles adhere to the inner wall of a tank body, thereby causing the tank body to be contaminated, thereby affecting the color consistency of the plastic particle mixture in subsequent production batches, reducing the quality of color adjustment for preparing plastic particle mixtures of different colors, and increasing the difficulty and cost of color adjustment.

[0005] The utility model is implemented as follows: a plastic particle mixing and stirring device comprises a tank body, an end cover is fixedly arranged on the top of the tank body, a servo motor 1 is fixedly arranged in the middle of the end cover, two cylinders are symmetrically fixedly arranged on the surface of the end cover close to the servo motor 1, the output ends of the two cylinders penetrate the end cover and are fixedly provided with a support frame, a side wall of the support frame close to the tank body is rotatably connected with a gear ring, a limiting groove is provided on the side wall of the support frame for the rotation of the gear ring, a clamping block is clamped on the side wall of the gear ring, a brush is embedded on the side wall of the clamping block, a mounting seat is fixedly arranged on the inner side wall of the support frame, a servo motor 2 is fixedly arranged on the top of the mounting seat, a gear is fixedly arranged on the output end of the servo motor 2, and the gear is meshed with the inner side wall of the gear ring.

[0006] A discharge port is inserted at the middle position of the bottom end of the tank body, the discharge port is connected with the interior of the tank body, and a valve is installed at the bottom end of the discharge port to facilitate discharge.

[0007] A feeding hopper is fixedly arranged on the surface of the end cover, and the feeding hopper is in a funnel shape and penetrates through the surface of the end cover, so as to facilitate feeding.

[0008] A notch 1 is provided on the surface of the end cover away from the feed hopper. The notch 1 and the servo motor 2 are located in the same vertical direction. The external dimensions of the servo motor 2 are matched with the internal dimensions of the notch 1, thereby improving the convenience of storing the servo motor 2.

[0009] The output end of the servo motor 1 passes through the end cover and is fixed with a vertical rod, and the outer surface of the vertical rod is covered with a plurality of stirring rollers to achieve stirring of plastic particles.

[0010] The support frame is made of stainless steel and is in the shape of a circular ring. The inner dimensions of the support frame are matched with the outer dimensions of the stirring roller, thereby improving the stirring stability of the stirring roller.

[0011] A second slot is provided on the inner wall of the support frame close to the gear, the second slot is connected to the limiting slot, the inner dimension of the second slot is matched with the outer dimension of the gear, thereby improving the meshing stability of the gear and the gear ring.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] Firstly, by providing a cylinder, a support frame, a gear ring, a block, a brush, a mounting seat, a servo motor 2 and a slot 2, starting the servo motor 2 can drive the gear to rotate, thereby driving the gear ring to rotate at a uniform speed in the limit slot, so that the brush can evenly clean the inner wall of the tank body. Starting the cylinder can adjust the height of the support frame, thereby expanding the scope and efficiency of tank cleaning, improving the convenience of cleaning the inside of the tank body, reducing color deviation caused by tank body contamination, ensuring that the plastic particle mixture produced each time can achieve the expected color adjustment effect, and improving product quality; secondly, by providing a slot 1, the slot 1 passes through the end cover for the servo motor 2 to be plugged in, thereby improving the convenience of maintenance of the servo motor 2 storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the front three-dimensional structure of the support frame of the utility model.

[0017] Figure 4 It is a schematic diagram of the cross-sectional installation structure of the support frame of the utility model.

[0018] The accompanying drawings are marked as follows: 1. tank body; 2. end cover; 3. servo motor 1; 4. feed hopper; 5. cylinder; 6. discharge port; 7. support frame; 8. gear ring; 9. block; 10. brush; 11. vertical rod; 12. stirring roller; 13. mounting seat; 14. servo motor 2; 15. slot 1; 16. gear; 17. slot 2; 18. limit slot. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] See also Figure 1-4The embodiment of the utility model is as follows: a plastic particle mixing device comprises a tank body 1, an end cover 2 is fixedly provided at the top of the tank body 1 by bolts to close the tank body 1, a discharge port 6 is inserted at the middle position of the bottom of the tank body 1, the discharge port 6 is connected with the inside of the tank body 1, a valve is installed at the bottom of the discharge port 6, a servo motor 3 is fixedly provided in the middle of the end cover 2 by screws, a vertical rod 11 is fixedly provided at the output end of the servo motor 3 through the end cover 2, a plurality of stirring rollers 12 are provided on the outer surface of the vertical rod 11, and the servo motor 3 is started. It can drive the stirring roller 12 to rotate so as to stir. Two cylinders 5 are symmetrically fixed on the surface of the end cover 2 near the servo motor 3. The output ends of the two cylinders 5 penetrate the end cover 2 and are fixed with a support frame 7. The support frame 7 is made of stainless steel and is in a circular ring shape for supporting and limiting. The internal size of the support frame 7 is adapted to the external size of the stirring roller 12. The support frame 7 is rotatably connected with a gear ring 8 on the side wall near the tank body 1. A limiting groove 18 is provided on the side wall of the support frame 7 for the gear ring 8 to rotate. A clamping block 9 is clamped on the side wall of the gear ring 8. The clamping block 9 is made of rubber material. The material is elastic, a brush 10 is embedded on the side wall of the card block 9, and the brush 10 is made of nylon and abuts against the inner wall of the tank body 1. A mounting seat 13 is fixed on the inner wall of the support frame 7, and a servo motor 14 is fixed on the top of the mounting seat 13. The output end of the servo motor 14 is fixed with a gear 16 through a coupling. A notch 17 is opened on the inner wall of the support frame 7 near the gear 16, and the notch 17 is connected to the limit groove 18. The internal size of the notch 17 is adapted to the external size of the gear 16, which improves the gear 16 and the gear The inner wall of the ring 8 is meshed with each other to ensure stability. Starting the servo motor 14 can drive the gear 16 to rotate, thereby driving the gear ring 8 to rotate at a uniform speed in the limit groove 18, so that the brush 10 can evenly clean the inner wall of the tank body 1. Starting the cylinder 5 can drive the support frame 7 to move up and down, thereby expanding the scope and efficiency of the brush 10 cleaning the tank body 1. Opening the discharge port 6 can discharge the residual mixture, which improves the convenience of cleaning the inside of the tank body 1, thereby reducing the interference with the color adjustment of the preparation of plastic particle mixtures of different colors and improving the quality of plastic color adjustment.

[0022] A feed hopper 4 is fixedly provided on the surface of the end cover 2. The feed hopper 4 is funnel-shaped and penetrates the surface of the end cover 2, which is convenient for adding plastic particles and masterbatch particles. A slot 15 is provided on the surface of the end cover 2 away from the feed hopper 4. The slot 15 and the servo motor 14 are located in the same vertical direction. The external dimensions of the servo motor 14 are matched with the internal dimensions of the slot 15, which is convenient for storing and arranging the servo motor 14 and improving the stirring stability of the stirring roller 12.

[0023] Working principle: When the plastic granule mixing and stirring device is in use, the operator first connects an external power supply, pours the plastic granules and the masterbatch granules from the feed hopper 4 into the interior of the tank body 1 according to the ratio, starts the servo motor 13 to drive the vertical rod 11 and the stirring roller 12 to rotate, so that the plastic granules can be mixed and evenly mixed, thereby improving the uniformity of dyeing, and then opens the valve at the bottom of the discharge port 6 to discharge the mixture into the next step. When the masterbatch granules are attached to the inner wall of the tank body 1, the operator starts the cylinder 5 to drive the support frame 7 to move vertically, thereby realizing the adjustment of the height of the brush 10 and expanding the cleaning range of the cylinder 5. Starting the servo motor 2 14 can drive the gear 16 to rotate, thereby driving the gear ring 8 to rotate at a uniform speed in the limit groove 18, so that the brush 10 follows the gear ring 8 to rotate synchronously to evenly clean the inner wall of the tank body 1, and opens the discharge port 6 to discharge the residual mixture, thereby improving the convenience of cleaning the inside of the tank body 1, thereby reducing the interference with the color matching of the preparation of plastic granule mixtures of different colors and improving the quality of plastic color matching.

[0024] Secondly, the cylinder 5 is started to drive the support frame 7 to move vertically upward, so that the servo motor 2 14 is inserted into the inside of the slot 15, which can facilitate the operator to repair the servo motor 2 14, improve the convenience of storing the servo motor 2 14, and make the support frame 7 fit together with the bottom end of the end cover 2, which can reduce the interference with the stirring roller 12 during stirring.

[0025] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0026] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0027] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0028] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A plastic particle mixing and stirring device, characterized in that: The invention comprises a tank body (1), an end cover (2) is fixedly provided at the top of the tank body (1), a servo motor (3) is fixedly provided in the middle of the end cover (2), two cylinders (5) are symmetrically fixedly provided on the surface of the end cover (2) close to the servo motor (3), the output ends of the two cylinders (5) are both penetrated through the end cover (2) and fixedly provided with a support frame (7), the support frame (7) is rotatably connected with a gear ring (8) on the side wall close to the tank body (1), and the side wall of the support frame (7) is opened. A limit groove (18) is provided for the gear ring (8) to rotate, a clamping block (9) is clamped on the side wall of the gear ring (8), a brush (10) is embedded on the side wall of the clamping block (9), a mounting seat (13) is fixedly provided on the inner side wall of the support frame (7), a servo motor 2 (14) is fixedly provided at the top end of the mounting seat (13), a gear (16) is fixedly provided at the output end of the servo motor 2 (14), and the gear (16) is meshed with the inner side wall of the gear ring (8).

2. A plastic particle mixing and stirring device according to claim 1, characterized in that: A discharge port (6) is inserted at the middle position of the bottom end of the tank body (1), the discharge port (6) is connected to the interior of the tank body (1), and a valve is installed at the bottom end of the discharge port (6).

3. A plastic particle mixing and stirring device according to claim 1, characterized in that: A feed hopper (4) is fixedly provided on the surface of the end cover (2), and the feed hopper (4) is in a funnel shape and penetrates the surface of the end cover (2).

4. A plastic particle mixing and stirring device according to claim 3, characterized in that: A notch 1 (15) is provided on the surface of the end cover (2) away from the feed hopper (4); the notch 1 (15) and the servo motor 2 (14) are located in the same vertical direction; the external dimensions of the servo motor 2 (14) are compatible with the internal dimensions of the notch 1 (15).

5. A plastic particle mixing and stirring device according to claim 1, characterized in that: The output end of the servo motor 1 (3) passes through the end cover (2) and is fixed with a vertical rod (11), and the outer surface of the vertical rod (11) is covered with a plurality of stirring rollers (12).

6. A plastic particle mixing and stirring device according to claim 1, characterized in that: The support frame (7) is made of stainless steel and is in the shape of a circular ring. The internal dimensions of the support frame (7) are compatible with the external dimensions of the stirring roller (12).

7. A plastic particle mixing and stirring device according to claim 6, characterized in that: A second notch (17) is provided on the inner side wall of the support frame (7) close to the gear (16), the second notch (17) is connected to the limiting groove (18), and the internal dimensions of the second notch (17) are matched with the external dimensions of the gear (16).

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