A raw material mixing device for plastic film production and processing

Abstract

This utility model discloses a raw material mixing device for plastic film production and processing, relating to the field of plastic film production and processing technology. It includes a mixing cylinder, a support frame at the bottom of the mixing cylinder, and a metering component. The metering component includes a funnel at the top of the mixing cylinder, a support rod connected between the funnel and the mixing cylinder, a push plate at the bottom of the funnel, a communication port at the top of the push plate, and a metering box connected to the side of the push plate near the communication port. A feed inlet is located at the top of the mixing cylinder, and a baffle is located at the top of the feed inlet. A reset component includes a support plate connected to the top of the mixing cylinder, an extension plate connected to the top of the baffle, and a spring connecting the support plate and the extension plate. By setting the metering component, the concentration of additives in the resin can be ensured to be consistent in each batch, allowing the key properties of the plastic film, such as anti-aging, coloring, and smoothness, to consistently meet standards.

Description

Technical Field

[0001] This utility model relates to the field of plastic film production and processing technology, specifically to a raw material mixing device for plastic film production and processing. Background Technology

[0002] In the plastic film production and processing process, the raw material mixing device is the core equipment for realizing raw material pretreatment. Its core function is to accurately mix the plastic base resin with various functional additives according to the process formula to form a premix with uniform composition and stable physical properties, providing a qualified raw material base for subsequent film-making processes such as extrusion, blown film or casting.

[0003] Although the amount of additives added during the processing is small, they directly determine the key performance of plastic film. When adding additives manually, it is impossible to control the amount added each time. If the amount of additives is too large, such as excessive plasticizer, it will cause the film surface to become sticky and the temperature resistance to decrease. If there is too much antioxidant, it may precipitate and form white spots. If the amount of additives is insufficient, the anti-aging and smoothness of the film will not meet the standards. Inaccurate measurement of color masterbatch will also cause color difference and streaks on the film surface, which will directly lead to product scrap or downgrading. Therefore, we have proposed a raw material mixing device for plastic film production and processing. Utility Model Content

[0004] The purpose of this invention is to provide a raw material mixing device for plastic film production and processing, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a raw material mixing device for plastic film production and processing, comprising a mixing cylinder, a support frame disposed at the bottom of the mixing cylinder, and further comprising:

[0006] The metering component includes a funnel disposed at the top of a mixing cylinder, a support rod connecting the funnel to the mixing cylinder, a push plate at the bottom of the funnel, a communication opening at the top of the push plate, a metering box connected to the bottom of the push plate near the communication opening, and a feed inlet at the top of the mixing cylinder, with a baffle plate at the top of the feed inlet.

[0007] A reset assembly includes a support plate connected to the top of the mixing cylinder, an extension plate connected to the top of the baffle, and a spring connecting the support plate and the extension plate.

[0008] Furthermore, a drive assembly is provided at the top of the mixing cylinder. The drive assembly includes a fixed plate connected to the top of the mixing cylinder, and an electric push rod is connected to the fixed plate. The output end of the electric push rod is connected to the metering box.

[0009] The above technical solution involves setting up a driving component as the power source for the movement of the metering box, thereby introducing the additives in the metering box into the cylinder.

[0010] Furthermore, a limiting component is provided on the top side of the mixing cylinder near the metering box. The limiting component includes a limiting groove formed on the top of the mixing cylinder, a limiting block is slidably connected in the limiting groove, and a connector is connected to the top of the limiting block. The connector is connected to the metering box.

[0011] The above technical solution is adopted: by setting a limiting component, the trajectory of the quantitative box during the movement is limited.

[0012] Furthermore, a stirring assembly is provided at the top of the mixing cylinder. The stirring assembly includes a housing, a stirring rod is rotatably connected inside the mixing cylinder, a spiral blade is connected to the stirring rod, a motor is provided inside the housing, and the stirring rod is connected to the output end of the motor.

[0013] The above technical solution involves setting up a stirring component to mix the additives and resin, thereby accelerating the mixing efficiency.

[0014] Furthermore, the mixing cylinder is provided with a feeding assembly, which includes a feeding pipe connected to the mixing cylinder, a cover plate on the feeding pipe, and a rotating shaft rotatably connecting the cover plate and the feeding pipe.

[0015] The above technical solution is adopted: by setting up a feeding component, the raw materials can be conveniently fed into the mixing drum through the feeding pipe.

[0016] Furthermore, a discharge assembly is provided at the bottom of the mixing cylinder, the discharge assembly including a discharge pipe connected to the bottom of the mixing cylinder, and a solenoid valve is provided on the discharge pipe.

[0017] The above technical solution involves setting up a discharge assembly to discharge the mixed raw materials through a discharge pipe for further processing.

[0018] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0019] In this invention, by setting a quantitative component, the additives in the funnel first fall into the quantitative box through the connecting port. Then, the electric push rod is activated to push the quantitative box to move. During the movement, the push plate will block the additives in the funnel from falling further. The additives in the quantitative box are the same each time. Then, the baffle pushes out the quantitative box and the additives in the quantitative box fall into the mixing cylinder through the feed port. This solves the problem that it is impossible to control the amount of additives each time when manually adding them. When the additives are excessive, such as excessive plasticizer, it will cause the film surface to become sticky and the temperature resistance to decrease. Excessive antioxidants may precipitate and form white spots. Insufficient additives will cause the film's anti-aging and slip properties to fail to meet the standards. Inaccurate measurement of color masterbatch will also cause color difference and streaks on the film surface, directly leading to product scrap or downgrading. Attached Figure Description

[0020] Figure 1 This is a front view of a raw material mixing device for plastic film production and processing.

[0021] Figure 2 This is a diagram showing the internal structure of a raw material mixing device for plastic film production and processing.

[0022] Figure 3 This is a top structural diagram of a raw material mixing device for plastic film production and processing.

[0023] Figure 4 This is an exploded view of a raw material mixing device for plastic film production and processing.

[0024] Numbering on the map:

[0025] 1. Mixing drum;

[0026] 2. Metering component; 21. Funnel; 22. Support rod; 23. Push plate; 24. Connecting port; 25. Metering box; 26. Feed inlet; 27. Baffle;

[0027] 3. Reset assembly; 31. Support plate; 32. Spring; 33. Extension plate;

[0028] 4. Drive assembly; 41. Fixing plate; 42. Electric actuator;

[0029] 5. Limiting component; 51. Limiting groove; 52. Connector; 53. Limiting block;

[0030] 6. Stirring assembly; 61. Shell; 62. Stirring rod; 63. Spiral blade;

[0031] 7. Discharge assembly; 71. Discharge pipe; 72. Solenoid valve;

[0032] 8. Feeding assembly; 81. Feeding pipe; 82. Cover plate;

[0033] 9. Support frame. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] like Figures 1-4 As shown, this utility model provides a technical solution: a raw material mixing device for plastic film production and processing, including a mixing cylinder 1, a support frame 9 disposed at the bottom of the mixing cylinder 1, and further comprising:

[0036] The metering component 2 includes a funnel 21 disposed at the top of the mixing cylinder 1, a support rod 22 connecting the funnel 21 to the mixing cylinder 1, a push plate 23 disposed at the bottom of the funnel 21, a connecting opening 24 at the top of the push plate 23, and a metering box 25 connected to the bottom of the push plate 23 near the connecting opening 24. A feed inlet 26 is disposed at the top of the mixing cylinder 1, and a baffle 27 is disposed at the top of the feed inlet 26.

[0037] The reset assembly 3 includes a support plate 31 connected to the top of the mixing cylinder 1, an extension plate 33 connected to the top of the baffle 27, and a spring 32 connected between the support plate 31 and the extension plate 33.

[0038] A drive assembly 4 is provided on the top of the mixing cylinder 1. The drive assembly 4 includes a fixed plate 41 connected to the top of the mixing cylinder 1. An electric push rod 42 is connected to the fixed plate 41. The output end of the electric push rod 42 is connected to the metering box 25.

[0039] Specifically, firstly, the additive in the funnel 21 falls into the metering box 25 through the connecting port 24. Then, the electric push rod 42 is turned on to drive the metering box 25 to move. During the movement, the push plate 23 will block the additive in the funnel 21 from falling further. The additive in the metering box 25 is the same each time. Then, the baffle 27 will be pushed away from the top of the feed port 26. During this process, the spring 32 will be squeezed. The additive in the metering box 25 will fall into the mixing cylinder 1 through the feed port 26. After the electric push rod 42 drives the metering box 25 to reset, the baffle 27 will automatically spring back to its original position by the elastic force of the spring 32 after it is contracted.

[0040] Furthermore, such as Figure 1 and Figure 2 As shown: A stirring assembly 6 is provided on the top of the mixing cylinder 1. The stirring assembly 6 includes a housing 61. A stirring rod 62 is rotatably connected inside the mixing cylinder 1. A spiral blade 63 is connected to the stirring rod 62. A motor is provided inside the housing 61. The stirring rod 62 is connected to the output end of the motor. When the motor is turned on, the stirring rod 62 is driven to rotate. The stirring rod 62 drives the spiral blade 63 to rotate and stir.

[0041] The above solutions also require limiting the trajectory of the metering box 25 during its movement, such as... Figure 3 As shown: A limiting component 5 is provided on the top side of the mixing cylinder 1 near the metering box 25. The limiting component 5 includes a limiting groove 51 opened on the top of the mixing cylinder 1. A limiting block 53 is slidably connected in the limiting groove 51. A connector 52 is connected to the top of the limiting block 53. The connector 52 is connected to the metering box 25. During the movement of the metering box 25, the connector 52 will move synchronously. The connector 52 will drive the limiting block 53 to slide in the limiting groove 51, thereby limiting the movement trajectory of the metering box 25.

[0042] The above solutions also require the collection of raw material inputs and the resulting emissions after mixing, such as... Figure 1 As shown: A feeding assembly 8 is provided on the mixing cylinder 1. The feeding assembly 8 includes a feeding pipe 81 connected to the mixing cylinder 1. A cover plate 82 is provided on the feeding pipe 81. A rotating shaft is rotatably connected between the cover plate 82 and the feeding pipe 81. A discharge assembly 7 is provided at the bottom of the mixing cylinder 1. The discharge assembly 7 includes a discharge pipe 71 connected to the bottom of the mixing cylinder 1. A solenoid valve 72 is provided on the discharge pipe 71. After mixing is completed, the solenoid valve 72 is opened to discharge and collect the mixed raw materials through the discharge pipe 71.

[0043] The working principle provided by this utility model is as follows: Figures 1-4 As shown: First, the raw materials are fed into the mixing cylinder 1 through the feed pipe 81. Then, the additives in the funnel 21 fall into the metering box 25 through the connecting port 24. Then, the electric push rod 42 is turned on to drive the metering box 25 to move. During the movement, the push plate 23 will block the additives in the funnel 21 from falling further. The additives in the metering box 25 are the same each time. Then, the baffle 27 will be pushed away from the top of the feed port 26. During this process, the spring 32 will be squeezed. The additives in the metering box 25 will fall into the mixing cylinder 1 through the feed port 26. After the electric push rod 42 drives the metering box 25 to reset, the baffle 27 will automatically spring back to its original position by the elastic force of the spring 32 after it is contracted. The motor is turned on to drive the stirring rod 62 to rotate. The stirring rod 62 drives the spiral blade 63 to rotate and stir the raw materials and additives. Finally, the solenoid valve 72 is turned on to discharge and collect the mixed raw materials through the discharge pipe 71.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. The implementation schemes in the above embodiments can also be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A raw material mixing device for plastic film production and processing, comprising a mixing cylinder (1) and a support frame (9) disposed at the bottom of the mixing cylinder (1), characterized in that, Also includes: A metering component (2) includes a funnel (21) disposed at the top of a mixing cylinder (1), a support rod (22) connecting the funnel (21) and the mixing cylinder (1), a push plate (23) disposed at the bottom of the funnel (21), a communication port (24) being opened at the top of the push plate (23), a metering box (25) being connected to the side of the bottom of the push plate (23) near the communication port (24), a feed inlet (26) being opened at the top of the mixing cylinder (1), and a baffle (27) being disposed at the top of the feed inlet (26). The reset assembly (3) includes a support plate (31) connected to the top of the mixing cylinder (1), an extension plate (33) connected to the top of the baffle (27), and a spring (32) connected between the support plate (31) and the extension plate (33).

2. The raw material mixing device for plastic film production and processing according to claim 1, characterized in that: The mixing cylinder (1) is provided with a driving assembly (4) at the top. The driving assembly (4) includes a fixing plate (41) connected to the top of the mixing cylinder (1). An electric push rod (42) is connected to the fixing plate (41). The output end of the electric push rod (42) is connected to the metering box (25).

3. The raw material mixing device for plastic film production and processing according to claim 1, characterized in that: A limiting component (5) is provided on the top side of the mixing cylinder (1) near the metering box (25). The limiting component (5) includes a limiting groove (51) opened on the top of the mixing cylinder (1). A limiting block (53) is slidably connected in the limiting groove (51). A connector (52) is connected to the top of the limiting block (53). The connector (52) is connected to the metering box (25).

4. The raw material mixing device for plastic film production and processing according to claim 1, characterized in that: The mixing cylinder (1) is provided with a stirring assembly (6) at the top. The stirring assembly (6) includes a housing (61). A stirring rod (62) is rotatably connected inside the mixing cylinder (1). A spiral blade (63) is connected to the stirring rod (62). A motor is provided inside the housing (61). The stirring rod (62) is connected to the output end of the motor.

5. The raw material mixing device for plastic film production and processing according to claim 1, characterized in that: The mixing cylinder (1) is provided with a feeding assembly (8), which includes a feeding pipe (81) connected to the mixing cylinder (1). A cover plate (82) is provided on the feeding pipe (81), and a rotating shaft is rotatably connected between the cover plate (82) and the feeding pipe (81).

6. The raw material mixing device for plastic film production and processing according to claim 1, characterized in that: The bottom of the mixing cylinder (1) is provided with a discharge assembly (7), which includes a discharge pipe (71) connected to the bottom of the mixing cylinder (1) and a solenoid valve (72) is provided on the discharge pipe (71).

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