Mixing device for producing flame-retardant PP material

Abstract

The utility model provides a mixing device for production of flame -retardant PP material, including mixing cylinder, the inside of mixing cylinder is provided with elevating barrel through elevating mechanism, the bottom of elevating barrel is provided with adjusting mechanism, adjusting mechanism includes cross bar and adjusting block, adjusting block is located at the center position at the top of cross bar through recess and spring setting. Through the rotary adjustment of knob, adjusting screw, make adjusting screw and limit hole separate, and adjusting block can follow elevating barrel and lift under the action of spring and square rod, the bottom of elevating barrel is closed conveniently, make rotary rod and the blade of rubbing against the big raw material and primary mixing, and can be fixed to adjusting block through adjusting screw and limit hole, when elevating barrel rises, can separate with adjusting block, convenient for the raw material after rubbing to the downward discharge, and continue to mix through rotary rod and stirring rod, can improve the mixing efficiency of flame -retardant PP material raw material, and the practicality is high.

Description

Technical Field

[0001] This utility model relates to the field of flame-retardant PP material production technology, specifically to a mixing device for flame-retardant PP material production. Background Technology

[0002] Flame-retardant PP material is flame-retardant polypropylene. During the production process of flame-retardant PP material, flame retardants and other agents are mixed with PP to change the properties of PP material.

[0003] Chinese utility model patent with announcement number CN219768755U proposes a modified PP material mixing device, including a support frame, a crushing cylinder fixedly connected inside the support frame, a crushing component on the crushing cylinder, the crushing component including a first motor, a first rotating shaft and multiple crushing blades, the top end of the first rotating shaft being coaxially connected to the output shaft of the first motor, and the multiple crushing blades being fixedly connected to the first rotating shaft.

[0004] The above technical solution uses a first motor to drive a first rotating shaft to rotate, which in turn drives multiple crushing blades to rotate. The multiple crushing blades crush larger raw materials, and the crushed raw materials fall into a mixing chamber. However, the bottom of the crushing cylinder is not sealed, which means that larger raw materials will also enter the interior of the mixing chamber during the crushing process, making it impossible to crush them completely and reducing the mixing efficiency of flame-retardant PP material raw materials.

[0005] Therefore, this utility model provides a mixing device for the production of flame-retardant PP materials. Utility Model Content

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a mixing device for the production of flame-retardant PP materials, so as to solve the problems mentioned in the background art. This utility model can close the bottom of the lifting cylinder through the adjustment mechanism such as the adjustment block, so that the rotating rod and crushing blade can crush and initially mix larger raw materials. Furthermore, by adjusting the adjustment mechanism, the crushed raw materials can also be discharged downwards for further mixing, which can improve the mixing efficiency of flame-retardant PP material raw materials and has high practicality.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mixing device for producing flame-retardant PP materials, comprising a mixing cylinder, a lifting cylinder provided on the inner side of the mixing cylinder via a lifting mechanism, an adjusting mechanism provided at the bottom of the lifting cylinder, the adjusting mechanism comprising a crossbar and an adjusting block, the adjusting block being positioned at the center of the top of the crossbar via a groove and a spring, the top of the adjusting block being inserted into the interior of the bottom of the lifting cylinder, a stirring mechanism provided at the center of the interior of the mixing cylinder, the stirring mechanism comprising a rotating rod, the rotating rod being rotatably mounted at the center of the interior of the crossbar, the adjusting block and the lifting cylinder, and the lifting mechanism comprising a second servo motor, the second servo motor being fixedly mounted on the outer wall of the mixing cylinder.

[0008] Furthermore, the crossbar is horizontally fixedly installed inside the bottom end of the mixing cylinder, the crossbar is located below the lifting cylinder, and a square rod is fixedly installed at the top center of the crossbar, and the rotating rod is rotatably installed inside the square rod.

[0009] Furthermore, the groove is formed inside the bottom end of the adjusting block, the spring is fixedly installed inside the groove and the top of the crossbar, and the square rod is slidably installed inside the adjusting block, the groove and the spring.

[0010] Furthermore, an adjusting screw is screwed onto the inner wall of the mixing cylinder at the position corresponding to the adjusting block, and a knob is fixedly provided at the outer end of the adjusting screw.

[0011] Furthermore, a limiting hole is provided on the outer wall of the adjusting block at the position corresponding to the adjusting screw, and one end of the adjusting screw is screwed into the inside of the limiting hole.

[0012] Furthermore, a cam is fixedly installed on the output shaft of the second servo motor. The cam is located at the bottom of the lifting cylinder. An annular groove is provided on one side of the cam. A limit rod is provided at the bottom of the lifting cylinder corresponding to the position of the annular groove. One end of the limit rod is slidably installed inside the annular groove. Slider blocks are symmetrically fixed on both sides of the bottom end of the lifting cylinder. The sliders are slidably installed inside the inner wall of the mixing cylinder for limiting.

[0013] Furthermore, crushing blades are fixedly installed on both sides of the top end of the rotating rod, and the crushing blades are installed inside the lifting cylinder. A stirring rod is fixedly installed at the bottom of the rotating rod, and the stirring rod is installed below the crossbar.

[0014] Furthermore, a first servo motor is fixedly installed at the center of the bottom end of the mixing cylinder, and the output shaft of the first servo motor is fixedly connected to the bottom end of the rotating rod. A discharge port is opened at the top of the mixing cylinder, and a discharge outlet is opened on one side of the bottom end of the mixing cylinder corresponding to the side of the stirring rod.

[0015] The beneficial effects of this utility model are as follows: The mixing device for producing flame-retardant PP materials of this utility model allows the adjusting screw to separate from the limiting hole by rotating the knob and adjusting screw. The adjusting block can rise and fall with the lifting cylinder under the action of the spring and the square rod, which facilitates the sealing of the bottom of the lifting cylinder. This allows the rotating rod and crushing blades to crush and initially mix larger raw materials. The adjusting block can be fixed by the adjusting screw and the limiting hole. When the lifting cylinder rises, it can separate from the adjusting block, which facilitates the downward discharge of the crushed raw materials. The mixing is further carried out by the rotating rod and the stirring rod, which can improve the mixing efficiency of flame-retardant PP material raw materials and has high practicality. Attached Figure Description

[0016] Figure 1 This is a structural diagram of the mixing device for producing flame-retardant PP material according to this utility model;

[0017] Figure 2 This is a front cross-sectional view of the mixing device for producing flame-retardant PP material according to this utility model;

[0018] Figure 3 This utility model relates to a mixing device for the production of flame-retardant PP materials. Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a structural diagram of a portion of the mixing device for producing flame-retardant PP material according to this utility model;

[0020] In the diagram: 1. Mixing cylinder; 2. Discharge port; 3. Outlet; 4. Lifting cylinder; 5. First servo motor; 6. Rotating rod; 7. Stirring rod; 8. Crushing blade; 9. Second servo motor; 10. Cam; 11. Adjusting screw; 12. Crossbar; 13. Adjusting block; 14. Square rod; 15. Groove; 16. Spring; 17. Limiting hole; 18. Slider. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please see Figures 1 to 4This utility model provides a technical solution: a mixing device for the production of flame-retardant PP materials, including a mixing cylinder 1. A lifting cylinder 4 is installed inside the mixing cylinder 1 via a lifting mechanism. An adjustment mechanism is installed at the bottom of the lifting cylinder 4. The adjustment mechanism includes a crossbar 12 and an adjustment block 13. The adjustment block 13 is positioned at the center of the top of the crossbar 12 via a groove 15 and a spring 16. The top of the adjustment block 13 is inserted into the bottom of the lifting cylinder 4. A stirring mechanism is installed at the center of the interior of the mixing cylinder 1. The stirring mechanism includes a rotating rod 6, which is rotatably installed at the center of the interior of the crossbar 12, the adjustment block 13, and the lifting cylinder 4. The lifting mechanism includes a second servo motor 9, which is fixedly installed on the outer wall of the mixing cylinder 1. The adjustment block 13 can move up and down with the lifting cylinder 4 under the action of the spring 16, facilitating the sealing of the bottom of the lifting cylinder 4. Simultaneously, the movement of the lifting cylinder 4, in conjunction with the crushing blades 8, facilitates the crushing and initial mixing of larger flame-retardant PP materials, preventing larger raw materials from affecting the mixing efficiency of the flame-retardant PP materials. This device is highly practical.

[0023] In this embodiment, the crossbar 12 is horizontally fixedly installed inside the bottom end of the mixing cylinder 1. The crossbar 12 is located below the lifting cylinder 4. A square rod 14 is fixedly installed at the top center of the crossbar 12. The rotating rod 6 is rotatably installed inside the square rod 14. The groove 15 is formed inside the bottom end of the adjusting block 13. The spring 16 is fixedly installed inside the groove 15 and at the top of the crossbar 12. The square rod 14 is slidably installed inside the adjusting block 13, the groove 15, and the spring 16. An adjusting screw 11 is screwed onto the inner wall of the mixing cylinder 1 at the position corresponding to the adjusting block 13. The outer end of the adjusting screw 11 is fixedly provided with... The knob has a limiting hole 17 on the outer wall of the adjusting block 13 corresponding to the position of the adjusting screw 11. One end of the adjusting screw 11 is screwed into the limiting hole 17. The crossbar 12 can support the square rod 14 and the adjusting block 13, so that the adjusting block 13 can move upward with the lifting cylinder 4 under the elastic force of the spring 16, which facilitates the sealing of the bottom end of the lifting cylinder 4. The adjusting screw 11 and the limiting hole 17 can fix the adjusting block 13, so that the adjusting block 13 can be separated from the lifting cylinder 4, which facilitates the downward discharge of the crushed raw materials. The square rod 14 can limit the adjusting block 13 and prevent the adjusting block 13 from rotating.

[0024] In this embodiment, a cam 10 is fixedly mounted on the output shaft of the second servo motor 9. The cam 10 is located at the bottom of the lifting cylinder 4, and an annular groove is provided on one side of the cam 10. A limit rod is provided at the bottom of the lifting cylinder 4 corresponding to the position of the annular groove. One end of the limit rod is slidably installed inside the annular groove. Slider blocks 18 are symmetrically fixed on both sides of the bottom end of the lifting cylinder 4. The sliders 18 are slidably installed inside the inner wall of the mixing cylinder 1. The lifting cylinder 4 can be adjusted upward by the second servo motor 9 and the cam 10. As the cam 10 rotates, the lifting cylinder 4 moves downward under its own weight, which facilitates the up and down movement of the flame-retardant PP material raw material, and facilitates its crushing and preliminary mixing.

[0025] In this embodiment, crushing blades 8 are fixedly installed on both sides of the top end of the rotating rod 6. The crushing blades 8 are installed inside the lifting cylinder 4. A stirring rod 7 is fixedly installed at the bottom of the rotating rod 6 and is located below the crossbar 12. A first servo motor 5 is fixedly installed at the center of the bottom end of the mixing cylinder 1. The output shaft of the first servo motor 5 is fixedly connected to the bottom end of the rotating rod 6. A discharge port 2 is opened at the top of the mixing cylinder 1. A discharge port 3 is opened on one side of the bottom end of the mixing cylinder 1 corresponding to the side of the stirring rod 7. The rotating rod 6 drives the crushing blades 8 to rotate, which facilitates the crushing and preliminary mixing of the raw materials inside the lifting cylinder 4. The stirring rod 7 can perform secondary mixing of the crushed raw materials, thereby improving the mixing efficiency of the flame-retardant PP material. It is highly practical. The discharge port 3 facilitates the discharge of the mixed raw materials.

[0026] When using the mixing device for producing flame-retardant PP material, the adjusting screw 11 is rotated by the knob, causing one end of the adjusting screw 11 to move out of the limiting hole 17. Flame-retardant PP material raw material is added into the lifting cylinder 4 through the discharge port 2. The first servo motor 5 is started, and the first servo motor 5 drives the crushing blade 8 to rotate inside the lifting cylinder 4 via the rotating rod 6. This facilitates the crushing and initial mixing of larger flame-retardant PP material raw materials by the crushing blade 8. The second servo motor 9 is started, and the second servo motor 9 drives the cam 10 to rotate. The cam 10 can lift and compress the lifting cylinder 4, causing the flame-retardant PP material raw material to move upward. At the same time, the adjusting block 13 moves upward synchronously with the lifting cylinder 4 under the action of the spring 16 and the groove 15. The elastic force of spring 16 is greater than the weight of the flame-retardant PP material, so that the adjusting block 13 always closes the bottom of the lifting cylinder 4. As the cam 10 rotates, it can drive the lifting cylinder 4 to move downward, thereby improving the crushing and mixing efficiency of the flame-retardant PP material. After crushing, the lifting cylinder 4 and the adjusting block 13 are adjusted to the bottom. By rotating the knob and adjusting screw 11, one end of the adjusting screw 11 is screwed into the inside of the limiting hole 17, which is convenient for fixing the adjusting block 13. When the lifting cylinder 4 rises, it can separate from the adjusting block 13, which is convenient for discharging the crushed material downward. The flame-retardant PP material is further mixed by rotating rod 6 and stirring rod 7, which can improve the mixing efficiency of the flame-retardant PP material and has high practicality.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mixing device for producing flame-retardant PP materials, comprising a mixing cylinder (1), characterized in that, The mixing cylinder (1) has a lifting cylinder (4) installed on its inner side via a lifting mechanism. The bottom of the lifting cylinder (4) is provided with an adjustment mechanism, which includes a crossbar (12) and an adjustment block (13). The adjustment block (13) is located at the center of the top of the crossbar (12) via a groove (15) and a spring (16). The top of the adjustment block (13) is inserted into the bottom of the lifting cylinder (4). The mixing cylinder (1) has a stirring mechanism installed at the center of its interior. The stirring mechanism includes a rotating rod (6), which is rotatably installed at the center of the crossbar (12), the adjustment block (13), and the lifting cylinder (4). The lifting mechanism includes a second servo motor (9), which is fixedly installed on the outer wall of the mixing cylinder (1).

2. The mixing device for producing flame-retardant PP material according to claim 1, characterized in that: The crossbar (12) is fixedly installed horizontally inside the bottom end of the mixing cylinder (1). The crossbar (12) is located below the lifting cylinder (4). A square rod (14) is fixedly installed at the top center of the crossbar (12). The rotating rod (6) is rotatably installed inside the square rod (14).

3. The mixing device for producing flame-retardant PP material according to claim 2, characterized in that: The groove (15) is formed inside the bottom end of the adjusting block (13), the spring (16) is fixedly installed inside the groove (15) and the top of the crossbar (12), and the square rod (14) is slidably installed inside the adjusting block (13), the groove (15) and the spring (16).

4. The mixing device for producing flame-retardant PP material according to claim 3, characterized in that: An adjusting screw (11) is screwed onto the inner wall of the mixing cylinder (1) at the position corresponding to the adjusting block (13), and a knob is fixedly provided on the outer end of the adjusting screw (11).

5. The mixing device for producing flame-retardant PP material according to claim 4, characterized in that: A limiting hole (17) is provided on the outer wall of the adjusting block (13) at the position corresponding to the adjusting screw (11), and one end of the adjusting screw (11) is screwed into the inside of the limiting hole (17).

6. The mixing device for producing flame-retardant PP material according to claim 1, characterized in that: A cam (10) is fixedly installed on the output shaft of the second servo motor (9). The cam (10) is located at the bottom of the lifting cylinder (4). An annular groove is provided on one side of the cam (10). A limit rod is provided at the bottom of the lifting cylinder (4) corresponding to the position of the annular groove. One end of the limit rod is slidably installed inside the annular groove. Slider (18) is symmetrically fixed on both sides of the bottom end of the lifting cylinder (4). The slider (18) is limited and slidably installed inside the inner wall of the mixing cylinder (1).

7. The mixing device for producing flame-retardant PP material according to claim 1, characterized in that: Crushing blades (8) are fixedly installed on both sides of the top of the rotating rod (6). The crushing blades (8) are installed inside the lifting cylinder (4). A stirring rod (7) is fixedly installed at the bottom of the rotating rod (6). The stirring rod (7) is installed below the crossbar (12).

8. The mixing device for producing flame-retardant PP material according to claim 7, characterized in that: A first servo motor (5) is fixedly installed at the center of the bottom end of the mixing cylinder (1). The output shaft of the first servo motor (5) is fixedly connected to the bottom end of the rotating rod (6). A discharge port (2) is opened at the top of the mixing cylinder (1). A discharge port (3) is opened on one side of the bottom end of the mixing cylinder (1) corresponding to the side of the stirring rod (7).

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