Raw material mixing device for processing flame-retardant nylon

Abstract

The utility model discloses a raw material mixing device for processing flame-retardant nylon, which relates to the technical field of mixing equipment and comprises a main bearing platform, the left side of the top of the main bearing platform is fixedly connected with a mixing tank, and the right side of the top of the main bearing platform is provided with an adjusting component capable of adjusting the feeding position. According to the raw material mixing device for flame-retardant nylon processing, by arranging a discharging opening, a sliding rod supporting frame, a sliding rod, a bobbin supporting frame, a sliding sleeve and first electric cylinders, when the raw material mixing device is used, the two sets of first electric cylinders on the side edge of the sliding rod supporting frame continuously extend and retract, so that the bobbin supporting frame and the sliding sleeve slide left and right along the sliding rod; the material mixing cylinder pipe at the top of the cylinder pipe supporting frame synchronously displaces, the position of the discharging port synchronously displaces left and right, materials are evenly scattered on the electric heating rotating cylinder, hot melting mixing is more uniform and rapid, the function of conveniently adjusting the discharging position is achieved, and the problem that the device does not have the function of conveniently adjusting the discharging position is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a raw material mixing device for processing flame-retardant nylon. Background Art

[0002] Nylon is widely used in various fields due to its excellent mechanical properties, electrical properties, heat resistance, toughness, oil resistance, wear resistance, self-lubrication, chemical resistance and other excellent properties. Flame-retardant nylon is modified based on the original properties of nylon to make it flame-retardant.

[0003] The manufacturing process of flame-retardant nylon is relatively complex, and requires multiple links such as formula design, raw material preparation, mixing, extrusion, and granulation. The mixing link is to mix nylon resin, flame retardants, plasticizers, stabilizers and other raw materials in proportion and refine them to make them fully integrated. At present, the most commonly used equipment on the market is mixing tanks and open mills. All kinds of materials are poured into the mixing tank and mixed. After mixing, they are mixed through an open mill, or directly mixed through an open mill. Raw materials are continuously added during the mixing process. There are some functional deficiencies in actual use, and there is room for improvement. For example, whether it is mixed first and then refined or mixed while refining, manual addition and adjustment are required. Some models are equipped with automatic unloading, but the unloading position is fixed. The newly added materials are concentrated in one position. It takes a long time to mix them thoroughly. There is room for further improvement in efficiency, and it does not have the function of facilitating the adjustment of the unloading position.

[0004] Now, a new type of raw material mixing device for flame retardant nylon processing is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material mixing device for flame retardant nylon processing, so as to solve the problem in the above background technology that the device has no function of conveniently adjusting the material feeding position.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material mixing device for flame-retardant nylon processing, comprising a main bearing platform, a mixing trough fixedly connected to the left side of the top of the main bearing platform, two sets of reducers installed on the left side of the mixing trough, a first drive motor installed on the left side of the reducer, two sets of electric heating drums are horizontally movably connected between the left and right sides inside the mixing trough, a mixing barrel is provided above the mixing trough, a spiral shaft is horizontally movably connected between the two sides inside the mixing barrel, a reduction motor is installed on the right side of the mixing barrel, a discharge port is provided on the left side of the bottom of the mixing barrel, and an adjustment component for adjusting the feeding position is provided on the right side of the top of the main bearing platform.

[0007] The adjustment assembly includes a sliding rod support frame, which is fixedly connected to the right side of the top of the main bearing platform. Four groups of sliding rods are horizontally fixedly connected between the two sides of the interior of the sliding rod support frame. A bobbin support frame is provided below the mixing bobbin. The upper and lower ends of the front and rear surfaces of the bobbin support frame are respectively fixedly connected with sliding sleeves. Two groups of first electric cylinders are installed on the right side of the sliding rod support frame.

[0008] Preferably, the top end of the bobbin support frame is connected to the bottom end of the mixing bobbin, and the right side of the bobbin support frame is connected to the first electric cylinder.

[0009] Preferably, the inner diameter of the sliding sleeve is matched with the outer diameter of the sliding rod, and the sliding sleeve can slide left and right along the outside of the sliding rod.

[0010] Preferably, the top end of the sliding rod support frame is lower than the bottom end of the mixing barrel, and the sliding sleeves are symmetrically distributed about the horizontal center line of the barrel support frame.

[0011] Preferably, three groups of feed ports are provided at the top of the mixing barrel, the top of the feed port is fixedly connected to a valve housing, a six-leaf valve plate is movably connected between the front and rear ends inside the valve housing, a stepper motor is installed at the rear end of the valve housing, and the top of the valve housing is fixedly connected to a hopper.

[0012] Preferably, the interiors of the mixing barrel, the feed port, the valve housing, and the hopper are interconnected, and the output end of the stepper motor is connected to the rear end of the six-blade valve plate.

[0013] Preferably, a bottom support frame is laterally fixedly connected between the two sides inside the main load-bearing platform, a large tray is arranged above the bottom support frame, and a second electric cylinder is respectively installed at the four corners of the bottom end of the large tray, an inner trough is provided inside the large tray, and a small tray is arranged below the mixing trough, and a third electric cylinder is respectively installed at the four corners of the bottom end of the small tray.

[0014] Preferably, the shape and size of the outside of the small tray are compatible with the shape and size of the inside of the mixing tank and the inner tank, and the second electric cylinder, the third electric cylinder and the bottom end of the bottom support frame are connected.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the raw material mixing device for flame retardant nylon processing not only realizes the function of facilitating adjustment of the material feeding position, but also realizes the function of controlling the material feeding ratio at multiple positions, and also realizes the function of convenient material support and unloading;

[0016] (1) The material discharging port, the sliding rod support frame, the sliding rod, the bobbin support frame, the sliding sleeve and the first electric cylinder are provided. When in use, raw materials such as nylon resin, additives and flame retardants are introduced into the mixing barrel through the hopper. The reduction motor drives the spiral shaft to rotate continuously, so that the raw materials are preliminarily mixed during the transportation process. The preliminarily mixed materials fall into the mixing trough from the material discharging port. Two groups of electric heating drums receive the fallen materials. Driven by the first drive motor and the reducer, the two groups of electric heating drums rotate inward to melt and extrude the materials to further mix them. During the unloading process, the two groups of first electric cylinders on the side of the sliding rod support frame continuously extend and retract, so that the bobbin support frame and the sliding sleeve slide left and right along the sliding rod. The mixing barrel on the top of the bobbin support frame also moves synchronously. The position of the material discharging port also moves left and right synchronously, and the materials are evenly spread on the electric heating drum, so that the hot-melt mixing is more uniform and rapid, realizing the function of facilitating the adjustment of the unloading position.

[0017] (2) By providing a feed port, a valve housing, a six-leaf valve plate, a stepper motor and a hopper, when in use, raw materials such as nylon resin, additives, and flame retardants are directly added to the hopper. Depending on the different formulas, the speed of each stepper motor is different. The stepper motor drives the six-leaf valve plate in the valve housing to rotate slowly, and the materials in the hopper are fed into the feed port in proportion, and initially mixed with the materials inside the mixing barrel, thereby realizing the function of multi-position feeding ratio control;

[0018] (3) By providing a second electric cylinder, a large tray, an inner tank, a third electric cylinder and a small tray, when mixing materials, the second electric cylinder and the third electric cylinder extend, so that the small tray extends into the interior of the mixing tank, the large tray rests on the bottom surface of the main supporting platform, and the small tray supports the hot-melt mixed material, and the actual depth of the mixing tank can be controlled by moving and lowering. After the mixing is completed, the third electric cylinder retracts, and after the small tray enters the inner tank and the large tray and the small tray are flush, the second electric cylinder and the third electric cylinder retract synchronously, and the material is slowly lowered, which is convenient for the staff to take out the mixed nylon material, realizing the function of convenient material support and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the utility model;

[0021] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of the local section at point A in the middle;

[0022] Figure 4 This is a schematic diagram of the enlarged side view of the valve housing of the present invention;

[0023] Figure 5This is a front view structural diagram of the second electric cylinder and the third electric cylinder of the utility model in an extended state;

[0024] Figure 6 This is a front view structural diagram of the second electric cylinder and the third electric cylinder of the utility model in a retracted state;

[0025] Figure 7 This is a schematic diagram of the top view of the large tray of the utility model.

[0026] In the figure: 1. Main supporting platform; 2. First driving motor; 3. Reducer; 4. Mixing trough; 5. Electric heating drum; 6. Mixing tube; 7. Screw shaft; 8. Reducer motor; 9. Discharge port; 10. Sliding rod support frame; 11. Sliding rod; 12. Tube support frame; 13. Sliding sleeve; 14. First electric cylinder; 15. Feed port; 16. Valve housing; 17. Six-blade valve plate; 18. Stepper motor; 19. Hopper; 20. Bottom support frame; 21. Second electric cylinder; 22. Large tray; 23. Inner trough; 24. Third electric cylinder; 25. Small tray. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figure 1-7 , a raw material mixing device for flame retardant nylon processing, comprising a main bearing platform 1, a mixing trough 4 is fixedly connected to the left side of the top of the main bearing platform 1, two sets of reducers 3 are installed on the left side of the mixing trough 4, a first drive motor 2 is installed on the left side of the reducer 3, two sets of electric heating drums 5 are movably connected laterally between the left and right sides of the mixing trough 4, a mixing barrel 6 is provided above the mixing trough 4, a spiral shaft 7 is movably connected laterally between the two sides of the mixing barrel 6, a reduction motor 8 is installed on the right side of the mixing barrel 6, a discharge port 9 is provided on the left side of the bottom of the mixing barrel 6, and an adjustment component for adjusting the feeding position is provided on the right side of the top of the main bearing platform 1;

[0029] See also Figure 1-7A raw material mixing device for flame-retardant nylon processing also includes an adjusting component, which includes a sliding rod support frame 10. The sliding rod support frame 10 is fixedly connected to the right side of the top of the main bearing platform 1. Four groups of sliding rods 11 are fixedly connected laterally between the two sides of the interior of the sliding rod support frame 10. A bobbin support frame 12 is provided below the mixing bobbin 6. The upper and lower ends of the front and rear surfaces of the bobbin support frame 12 are fixedly connected with sliding sleeves 13 respectively. Two groups of first electric cylinders 14 are installed on the right side of the sliding rod support frame 10.

[0030] The top of the bobbin support frame 12 is connected to the bottom end of the mixing bobbin 6, and the right side of the bobbin support frame 12 is connected to the first electric cylinder 14. The inner diameter of the sliding sleeve 13 is adapted to the outer diameter of the sliding rod 11. The sliding sleeve 13 can slide left and right along the outside of the sliding rod 11. The top of the sliding rod support frame 10 is lower than the bottom end of the mixing bobbin 6. The sliding sleeves 13 are symmetrically distributed about the horizontal center line of the bobbin support frame 12, which is convenient for adjusting the discharge position.

[0031] Specifically, if Figure 1 and Figure 2 As shown, the two groups of first electric cylinders 14 on the side of the sliding rod support frame 10 continue to extend and retract, so that the bobbin support frame 12 and the sliding sleeve 13 slide left and right along the sliding rod 11, and the mixing bobbin 6 on the top of the bobbin support frame 12 is also displaced synchronously, and the position of the discharge port 9 is displaced left and right synchronously, and the material is evenly spread on the electric heating drum 5, making its hot melt mixing more uniform and rapid.

[0032] Embodiment 2: Three groups of feed ports 15 are provided at the top of the mixing barrel 6. The top of the feed port 15 is fixedly connected to a valve housing 16. A six-leaf valve plate 17 is movably connected between the front and rear ends of the valve housing 16. A stepper motor 18 is installed at the rear end of the valve housing 16. A hopper 19 is fixedly connected to the top of the valve housing 16. The interiors of the mixing barrel 6, the feed port 15, the valve housing 16, and the hopper 19 are interconnected. The output end of the stepper motor 18 is connected to the rear end of the six-leaf valve plate 17. Proportioning and preliminary mixing are performed while the materials are being discharged.

[0033] Specifically, if Figure 1 、 Figure 3 and Figure 4 As shown, the stepper motor 18 drives the six-leaf valve plate 17 in the valve housing 16 to rotate slowly, and the material in the hopper 19 is fed into the feed port 15 in proportion to be initially mixed with the material inside the mixing barrel 6.

[0034] Embodiment 3: A bottom support frame 20 is fixedly connected laterally between the two sides inside the main loading platform 1, a large tray 22 is provided above the bottom support frame 20, and second electric cylinders 21 are respectively installed at the four corners of the bottom end of the large tray 22, an inner groove 23 is provided inside the large tray 22, a small tray 25 is provided below the mixing groove 4, and third electric cylinders 24 are respectively installed at the four corners of the bottom end of the small tray 25, the shape and size of the outer surface of the small tray 25 are adapted to the shape and size of the inner surface of the mixing groove 4 and the inner groove 23, the second electric cylinder 21, the third electric cylinder 24 and the bottom end of the bottom support frame 20 are connected, which is convenient for supporting during mixing and unloading after completion;

[0035] Specifically, if Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 and Figure 7 As shown, the second electric cylinder 21 and the third electric cylinder 24 extend to extend the small tray 25 into the interior of the mixing tank 4, the large tray 22 rests on the bottom surface of the main supporting platform 1, and the small tray 25 supports the hot-melt mixed material, and can control the actual depth of the mixing tank 4 by moving and lowering. After the mixing is completed, the third electric cylinder 24 retracts. After the small tray 25 enters the inner tank 23 and the large tray 22 and the small tray 25 are flush, the second electric cylinder 21 and the third electric cylinder 24 retract synchronously to slowly lower the material.

[0036] Working principle: When the utility model is in use, first, raw materials such as nylon resin, additives, flame retardants, etc. are directly added into the hopper 19. According to different formulas, the speed of each group of stepper motors 18 is different. The stepper motor 18 drives the six-leaf valve plate 17 in the valve housing 16 to rotate slowly, and the materials in the hopper 19 are sent into the feed port 15 in proportion, and are initially mixed with the materials inside the mixing barrel 6. The reduction motor 8 drives the spiral shaft 7 to rotate continuously, so that the raw materials are preliminarily mixed during the transportation process. The preliminarily mixed materials fall into the mixing trough 4 from the discharge port 9. The two groups of electric heating drums 5 receive the fallen materials. Driven by the first drive motor 2 and the reducer 3, the two groups of electric heating drums 5 rotate inward to melt and extrude the materials for further mixing. During the unloading process, the two groups of first electric cylinders 14 on the side of the slide rod support frame 10 continue to extend and retract, so that the bobbin support frame 12 and the sliding sleeve 13 slide left and right along the sliding rod 11, and the mixing bobbin 6 on the top of the bobbin support frame 12 is also displaced synchronously. The position of the discharge port 9 is also displaced left and right synchronously, and the material is evenly spread on the electric heating drum 5, making its hot melt mixing more uniform and rapid. During mixing, the second electric cylinder 21 and the third electric cylinder 24 extend, so that the small tray 25 extends into the interior of the mixing tank 4, and the large tray 22 rests on the bottom of the main supporting platform 1. The small tray 25 supports the hot-melt mixed material and can control the actual depth of the mixing tank 4 by moving and lowering. After the mixing is completed, the third electric cylinder 24 retracts. After the small tray 25 enters the inner tank 23 and the large tray 22 and the small tray 25 are flush, the second electric cylinder 21 and the third electric cylinder 24 retract synchronously to slowly lower the material, making it convenient for the staff to take out the mixed nylon material.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A raw material mixing device for flame retardant nylon processing, comprising a main supporting platform (1), characterized in that: A mixing trough (4) is fixedly connected to the left side of the top of the main bearing platform (1), two groups of reducers (3) are installed on the left side of the mixing trough (4), a first drive motor (2) is installed on the left side of the reducer (3), two groups of electric heating drums (5) are movably connected between the left and right sides of the inside of the mixing trough (4), a mixing barrel (6) is provided above the mixing trough (4), a spiral shaft (7) is movably connected between the two sides of the inside of the mixing barrel (6), a reduction motor (8) is installed on the right side of the mixing barrel (6), a discharge port (9) is provided on the left side of the bottom of the mixing barrel (6), and an adjustment component for adjusting the feeding position is provided on the right side of the top of the main bearing platform (1); The adjustment assembly includes a slide rod support frame (10), the slide rod support frame (10) is fixedly connected to the right side of the top of the main bearing platform (1), four groups of sliding rods (11) are transversely fixedly connected between the two sides inside the slide rod support frame (10), a tube support frame (12) is provided below the mixing tube (6), and the upper and lower ends of the front and rear surfaces of the tube support frame (12) are fixedly connected with sliding sleeves (13) respectively, and two groups of first electric cylinders (14) are installed on the right side of the slide rod support frame (10).

2. The raw material mixing device for flame retardant nylon processing according to claim 1, characterized in that: The top end of the bobbin support frame (12) is connected to the bottom end of the mixing bobbin (6), and the right side of the bobbin support frame (12) is connected to the first electric cylinder (14).

3. The raw material mixing device for flame retardant nylon processing according to claim 1, characterized in that: The inner diameter of the sliding sleeve (13) is adapted to the outer diameter of the sliding rod (11), and the sliding sleeve (13) can slide left and right along the outside of the sliding rod (11).

4. The raw material mixing device for flame retardant nylon processing according to claim 1, characterized in that: The top end of the sliding rod support frame (10) is lower than the bottom end of the mixing barrel (6), and the sliding sleeve (13) is symmetrically distributed about the horizontal center line of the barrel support frame (12).

5. The raw material mixing device for flame retardant nylon processing according to claim 1, characterized in that: The top of the mixing barrel (6) is provided with three groups of feed ports (15), the top of the feed ports (15) is fixedly connected to a valve housing (16), a six-leaf valve plate (17) is movably connected between the front and rear ends inside the valve housing (16), a stepping motor (18) is installed at the rear end of the valve housing (16), and a hopper (19) is fixedly connected to the top of the valve housing (16).

6. The raw material mixing device for flame retardant nylon processing according to claim 5, characterized in that: The interiors of the mixing barrel (6), the feed port (15), the valve housing (16), and the hopper (19) are interconnected, and the output end of the stepping motor (18) is connected to the rear end of the six-leaf valve plate (17).

7. The raw material mixing device for flame retardant nylon processing according to claim 1, characterized in that: A bottom support frame (20) is transversely fixedly connected between the two sides inside the main bearing platform (1), a large tray (22) is arranged above the bottom support frame (20), and second electric cylinders (21) are respectively installed at the four corners of the bottom end of the large tray (22), an inner groove (23) is arranged inside the large tray (22), and a small tray (25) is arranged below the mixing tank (4), and third electric cylinders (24) are respectively installed at the four corners of the bottom end of the small tray (25).

8. The raw material mixing device for flame retardant nylon processing according to claim 7, characterized in that: The shape and size of the outside of the small tray (25) are adapted to the shape and size of the inside of the mixing tank (4) and the inner tank (23); the second electric cylinder (21), the third electric cylinder (24) and the bottom end of the bottom support frame (20) are connected.

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