Feeding and mixing device for flame-retardant plastic modification

Abstract

The utility model discloses a charging and mixing device for flame-retardant plastic modification, which belongs to the technical field of mixing devices, and adopts the technical scheme that the charging and mixing device comprises a stirring tank and a dissolving mechanism, the top of the stirring tank is clamped with a cover plate, the dissolving mechanism is communicated with the top of the cover plate, and the top of the cover plate is bolted with a motor; the bottom of the stirring tank is provided with a motor, the bottom of the motor is rotatably connected with a rotating shaft, the bottom of the rotating shaft is in bolted connection with stirring blades, the bottom of the stirring tank is provided with a discharging hole, the bottom of the discharging hole is communicated with a discharging pipe, the surface of the discharging pipe is communicated with a valve, and the bottom of the stirring tank is in bolted connection with a supporting frame. The stirring tank can support and limit a cover plate in a mirror image mode and can store melted raw materials, the cover plate can support and limit a motor and a dissolving mechanism and can seal the stirring tank, and the motor can drive a rotating shaft to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing devices, in particular to a feeding and mixing device for flame retardant plastic modification. Background Art

[0002] Flame-retardant plastics, as the name suggests, are plastics with flame-retardant effects. In order to increase other properties of the plastic, the quality of the plastic can be improved through modification methods, such as density, hardness, barrier properties and cost. Plastic modification requires the addition of small molecule inorganic or organic raw materials, and often requires processing through a mixing device.

[0003] At present, the Chinese utility model with the publication number of CN210850901U discloses a feeding and mixing device for modifying flame-retardant plastics, comprising a barrel body, a first rotating column is arranged inside the barrel body, a stirring rod is fixed on the outside of the first rotating column, a first motor and a frame box are fixed on the top of the barrel body, an output shaft of the first motor is fixed to the top of the first rotating column, an inclined block is fixed on the inner bottom of the barrel body, a brush plate is arranged on the top of the inclined block, a second rotating column is rotatably arranged inside the frame box, an installation box is fixed at one end of the frame box, a mixing sheet is fixed on the outside of the second rotating column, and a driven gear disk is arranged inside the installation box. The beneficial effect achieved by the utility model is that the raw materials can be preliminarily mixed during the addition process, and the agglomerated raw materials can be crushed at the same time, which is beneficial to improving the mixing rate and effect. In addition, the feeding and mixing device for modifying flame-retardant plastics is beneficial to the rapid discharge of raw materials when discharging.

[0004] When modifying flame retardant plastics, a feeding and mixing device for modifying flame retardant plastics is used, and a feeding and mixing device for modifying flame retardant plastics is one of them. However, the existing feeding and mixing device for modifying flame retardant plastics lacks a structure for pre-melting the flame retardant pp plastic raw materials. When the flame retardant pp plastic raw materials are crushed, the flame retardant pp plastic raw materials that are not completely crushed enter the stirring layer, reducing the efficiency of subsequent users in shaping the flame retardant plastics. Utility Model Content

[0005] The utility model provides a feeding and mixing device for flame retardant plastic modification, aiming to solve the problem that the existing feeding and mixing device for flame retardant plastic modification lacks a structure for pre-melting the flame retardant PP plastic raw material, and when the flame retardant PP plastic raw material is crushed, the flame retardant PP plastic raw material that is not completely crushed enters the stirring layer, thereby reducing the efficiency of subsequent users in shaping the flame retardant plastic.

[0006] The utility model is implemented as follows: a feeding and mixing device for flame retardant plastic modification comprises a stirring tank and a dissolving mechanism, wherein a cover plate is clamped on the top of the stirring tank, the dissolving mechanism is connected to the top of the cover plate, a motor is bolted to the top of the cover plate, a rotating shaft is rotatably connected to the bottom of the motor, a stirring blade is bolted to the bottom of the rotating shaft, a discharge hole is opened at the bottom of the stirring tank, a discharge pipe is connected to the bottom of the discharge hole, a valve is connected to the surface of the discharge pipe, and a support frame is bolted to the bottom of the stirring tank;

[0007] The dissolving mechanism includes a shell, an upper cover, a feeding pipe, a heating plate, a limiting filter ring and a feed pipe. The feed pipe is connected to the top of the cover plate, the shell is connected to the top of the feed pipe, the upper cover is clamped on the top of the shell, the feeding pipe is connected to the top of the upper cover, the heating plate is fixedly connected to the inner side of the shell, and the limiting filter ring is bolted to the top of the surface of the heating plate.

[0008] In order to protect the motor, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, the output end of the bottom of the motor is bolted with a sealing ring, and the side of the sealing ring away from the output end of the motor is bolted to the inner side of the cover plate.

[0009] In order to increase the airtightness between the feed pipe and the cover plate, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, an air-sealing pad is bolted to the bottom of the feed pipe, and the side of the air-sealing pad away from the feed pipe is bolted to the inner side of the cover plate.

[0010] In order to prevent the user from accidentally slipping when turning the valve, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, the surface of the valve is provided with a protective sleeve, and the surface of the protective sleeve is engraved with anti-slip patterns.

[0011] In order to increase the airtightness between the cover plate and the stirring tank, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, a rubber pad is bolted to the top of the stirring tank, and the side of the rubber pad away from the stirring tank is clamped to the bottom of the cover plate.

[0012] In order to increase the friction between the support frame and the ground, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, a protective pad is bolted to the bottom of the support frame, and anti-slip patterns are engraved on the bottom of the protective pad.

[0013] In order to make the fan blade have a stronger stirring effect, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, the surface of the stirring blade is coated with anti-corrosion paint, and the stirring blade is set in a fan shape.

[0014] In order to prevent dust from entering the inner side of the shell from the feeding pipe, as a preferred feeding and mixing device for flame retardant plastic modification of the utility model, the top of the feeding pipe is rotatably connected with a dust cover, and the surface of the dust cover is engraved with anti-slip patterns.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The flame retardant plastic modification feeding and mixing device is provided with a stirring tank, the stirring tank can support and limit the cover plate in a mirror image, and can store the melted raw materials, the cover plate can support and limit the motor and the dissolving mechanism, and can seal the stirring tank, the motor can drive the rotating shaft to rotate, and the rotating shaft can drive the stirring blade to rotate while rotating, and the stirring blade can stir and mix the melted raw materials inside the stirring tank, the discharge hole can guide the raw materials after stirring to the discharge pipe, and the discharge pipe can discharge the raw materials after stirring and mixing to the outside of the stirring tank, so that users can collect the raw materials after stirring and mixing, the valve can open or close the discharge pipe, the support frame can support and limit the stirring tank, the shell can support and limit the upper cover, the heating plate, and the limit filter ring, and The unmelted flame-retardant pp plastic raw materials can be stored, the upper cover can support and limit the feeding tube, and can increase the overall airtightness of the shell, the feeding tube can guide the flame-retardant pp plastic raw materials poured by the user to the surface of the heating plate, the heating plate can melt the flame-retardant pp plastic raw materials into liquid, the limiting filter ring can limit the flame-retardant pp plastic raw materials on the surface of the heating plate to prevent the flame-retardant pp plastic raw materials from leaking into the feeding pipe, and after the flame-retardant pp plastic raw materials are melted into liquid, the liquid flame-retardant pp plastic raw materials can be leaked into the feeding pipe, and the feeding pipe will guide the liquid flame-retardant pp plastic raw materials to the inside of the mixing tank, so that the flame-retardant pp plastic raw materials do not need to be crushed, reducing the probability of complete particles of flame-retardant pp plastic raw materials entering the mixing layer, and improving the efficiency of the user's subsequent shaping of the flame-retardant plastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the feeding and mixing device for flame retardant plastic modification of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the limit filter ring in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the cover plate in the utility model;

[0020] Figure 4 For this utility model Figure 3 The enlarged schematic diagram at A in the middle;

[0021] Figure 5 For this utility model Figure 3 Enlarged schematic diagram of point B in the middle.

[0022] In the figure, 1, stirring tank; 2, dissolving mechanism; 201, shell; 202, upper cover; 203, feeding pipe; 204, heating plate; 205, limit filter ring; 206, feeding pipe; 3, cover plate; 4, motor; 5, rotating shaft; 6, stirring blade; 7, discharge hole; 8, discharge pipe; 9, valve; 10, support frame; 11, sealing ring; 12, airtight pad; 13, protective cover; 14, rubber pad; 15, protective pad; 16, dust cover. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a feeding and mixing device for flame retardant plastic modification, comprising a stirring tank 1 and a dissolving mechanism 2, a cover plate 3 is clamped on the top of the stirring tank 1, the dissolving mechanism 2 is connected to the top of the cover plate 3, a motor 4 is bolted to the top of the cover plate 3, a rotating shaft 5 is rotatably connected to the bottom of the motor 4, a stirring blade 6 is bolted to the bottom of the rotating shaft 5, a discharge hole 7 is opened at the bottom of the stirring tank 1, a discharge pipe 8 is connected to the bottom of the discharge hole 7, a valve 9 is connected to the surface of the discharge pipe 8, and a support frame 10 is bolted to the bottom of the stirring tank 1;

[0026] The dissolving mechanism 2 includes a shell 201, an upper cover 202, a feeding pipe 203, a heating plate 204, a limiting filter ring 205 and a feed pipe 206. The feed pipe 206 is connected to the top of the cover plate 3, the shell 201 is connected to the top of the feed pipe 206, the upper cover 202 is clamped on the top of the shell 201, the feeding pipe 203 is connected to the top of the upper cover 202, the heating plate 204 is fixedly connected to the inner side of the shell 201, and the limiting filter ring 205 is bolted to the top of the surface of the heating plate 204.

[0027] In the present embodiment: by setting a stirring tank 1, the stirring tank 1 can mirror-support and limit the cover plate 3, and can store the melted raw materials, the cover plate 3 can support and limit the motor 4 and the dissolving mechanism 2, and can seal the stirring tank 1, the motor 4 can drive the rotating shaft 5 to rotate, and the rotating shaft 5 can drive the stirring blade 6 to rotate while rotating, and the stirring blade 6 can stir and mix the melted raw materials inside the stirring tank 1, the discharge hole 7 can guide the raw materials after stirring to the discharge pipe 8, and the discharge pipe 8 can discharge the raw materials after stirring and mixing to the outside of the stirring tank 1, so that the user can collect the raw materials after stirring and mixing, the valve 9 can open or close the discharge pipe 8, the support frame 10 can support and limit the stirring tank 1, the shell 201 can support and limit the upper cover 202, the heating plate 204, and the limiting filter ring 205, and can The unmelted flame-retardant pp plastic raw material can be stored, the upper cover 202 can support and limit the feeding tube 203, and can increase the overall airtightness of the shell 201, the feeding tube 203 can guide the flame-retardant pp plastic raw material poured by the user to the surface of the heating plate 204, the heating plate 204 can melt the flame-retardant pp plastic raw material into liquid, the limiting filter ring 205 can limit the flame-retardant pp plastic raw material on the surface of the heating plate 204 to prevent the flame-retardant pp plastic raw material from leaking into the feeding tube 206, and after the flame-retardant pp plastic raw material is melted into liquid, the liquid flame-retardant pp plastic raw material can be leaked into the feeding tube 206, the feeding tube 206 will guide the liquid flame-retardant pp plastic raw material to the inner side of the stirring tank 1, so that the flame-retardant pp plastic raw material does not need to be crushed, the probability of the complete particles of the flame-retardant pp plastic raw material entering the stirring layer is reduced, and the efficiency of the user's subsequent shaping of the flame-retardant plastic is improved.

[0028] As a technical optimization solution of the present invention, a sealing ring 11 is bolted to the output end at the bottom of the motor 4 , and a side of the sealing ring 11 away from the output end of the motor 4 is bolted to the inner side of the cover plate 3 .

[0029] In this embodiment: by providing a sealing ring 11, the output end at the bottom of the motor 4 can be protected to prevent the stirring blade 6 from accidentally splashing into the raw material when stirring the raw material, thereby causing damage to the motor 4.

[0030] As a technical optimization solution of the present invention, an air-sealing pad 12 is bolted to the bottom of the feed pipe 206 , and the side of the air-sealing pad 12 away from the feed pipe 206 is bolted to the inner side of the cover plate 3 .

[0031] In this embodiment, the airtightness of the connection between the feed pipe 206 and the cover plate 3 can be increased by providing an airtight pad 12 .

[0032] As a technical optimization solution of the utility model, a protective sleeve 13 is provided on the surface of the valve 9, and the surface of the protective sleeve 13 is engraved with anti-skid patterns.

[0033] In this embodiment, the protective cover 13 is provided to protect the surface of the valve 9 , and the anti-skid pattern is provided to prevent the user from accidentally slipping when turning the valve 9 .

[0034] As a technical optimization solution of the present invention, a rubber pad 14 is bolted to the top of the mixing tank 1 , and the side of the rubber pad 14 away from the mixing tank 1 is clamped to the bottom of the cover plate 3 .

[0035] In this embodiment, the rubber pad 14 is provided to increase the tightness of the connection between the stirring tank 1 and the cover plate 3 .

[0036] As a technical optimization solution of the present invention, a protection pad 15 is bolted to the bottom of the support frame 10 , and anti-slip patterns are engraved on the bottom of the protection pad 15 .

[0037] In this embodiment: by providing a protection pad 15, the bottom of the support frame 10 can be protected, and by providing anti-slip patterns, the friction between the protection pad 15 and the ground can be increased.

[0038] As a technical optimization solution of the utility model, the surface of the stirring blade 6 is coated with an anti-corrosion coating, and the stirring blade 6 is configured to be fan-shaped.

[0039] In this embodiment: by providing an anti-corrosion coating, the stirring blade 6 is prevented from being in contact with the raw material for a long time and causing rust and damage. By providing the stirring blade 6 to be fan-shaped, the stirring blade 6 can have a stronger cutting force, so that the raw material can be stirred more evenly.

[0040] As a technical optimization solution of the utility model, the top of the feeding tube 203 is rotatably connected with a dust cover 16, and the surface of the dust cover 16 is engraved with anti-slip patterns.

[0041] In this embodiment, by providing a dust cover 16, the inner side of the feeding tube 203 can be protected to prevent dust from entering the inner side of the housing 201 from the feeding tube 203, thereby affecting the quality of the flame-retardant PP plastic raw material after melting.

[0042] Working principle: First, the user moves the mixing tank 1 to the desired working location, then opens the cover 3, cleans the inside of the mixing tank 1, and after cleaning, snaps the cover 3 into the mixing tank 1. Then, the user powers on and starts the heating plate 204. After the heating plate 204 is heated to a preset temperature, the user opens the upper cover 202, and puts the flame-retardant pp plastic raw material into the feeding tube 203. The flame-retardant pp plastic raw material will be guided to the surface of the heating plate 204 by the feeding tube 203, and the heating plate 204 will melt the flame-retardant pp plastic raw material into a liquid state. After the flame-retardant PP plastic raw material melts into liquid, it will leak into the material pipe 206 from the inner side of the limit filter ring 205, and the melted flame-retardant PP plastic raw material will be guided to the inner side of the stirring tank 1 through the feeding pipe 206. Then the user energizes and starts the motor 4, and the motor 4 will drive the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, the stirring blade 6 will also rotate, and the stirring blade 6 will blend and stir the plastic raw materials. Finally, after the stirring and fusion is completed, the user opens the valve 9 and collects the fused plastic raw materials through the discharge pipe 8.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding and mixing device for flame retardant plastic modification, comprising a stirring tank (1) and a dissolving mechanism (2), characterized in that: The top of the stirring tank (1) is clamped with a cover plate (3), the dissolving mechanism (2) is connected to the top of the cover plate (3), the top of the cover plate (3) is bolted with a motor (4), the bottom of the motor (4) is rotatably connected with a rotating shaft (5), the bottom of the rotating shaft (5) is bolted with a stirring blade (6), the bottom of the stirring tank (1) is provided with a discharge hole (7), the bottom of the discharge hole (7) is connected with a discharge pipe (8), the surface of the discharge pipe (8) is connected with a valve (9), and the bottom of the stirring tank (1) is bolted with a support frame (10); The dissolving mechanism (2) comprises a shell (201), an upper cover (202), a feeding pipe (203), a heating plate (204), a limiting filter ring (205) and a feeding pipe (206); the feeding pipe (206) is connected to the top of the cover plate (3); the shell (201) is connected to the top of the feeding pipe (206); the upper cover (202) is snap-connected to the top of the shell (201); the feeding pipe (203) is connected to the top of the upper cover (202); the heating plate (204) is fixedly connected to the inner side of the shell (201); and the limiting filter ring (205) is bolted to the top of the surface of the heating plate (204).

2. The device for adding and mixing materials for modifying flame-retardant plastics according to claim 1, characterized in that: A sealing ring (11) is bolted to the output end at the bottom of the motor (4), and the side of the sealing ring (11) away from the output end of the motor (4) is bolted to the inner side of the cover plate (3).

3. The material adding and mixing device for flame retardant plastic modification according to claim 1, characterized in that: An air-sealing pad (12) is bolted to the bottom of the feed pipe (206), and the side of the air-sealing pad (12) away from the feed pipe (206) is bolted to the inner side of the cover plate (3).

4. The device for adding and mixing materials for modifying flame-retardant plastics according to claim 1, characterized in that: The surface of the valve (9) is covered with a protective sleeve (13), and the surface of the protective sleeve (13) is engraved with anti-slip patterns.

5. The feeding and mixing device for flame retardant plastic modification according to claim 1, characterized in that: A rubber pad (14) is bolted to the top of the stirring tank (1), and a side of the rubber pad (14) away from the stirring tank (1) is clamped to the bottom of the cover plate (3).

6. The device for adding and mixing materials for modifying flame-retardant plastics according to claim 1, characterized in that: A protection pad (15) is bolted to the bottom of the support frame (10), and anti-slip patterns are engraved on the bottom of the protection pad (15).

7. The material adding and mixing device for flame retardant plastic modification according to claim 1, characterized in that: The surface of the stirring blade (6) is coated with an anti-corrosion coating, and the stirring blade (6) is configured in a fan shape.

8. The material adding and mixing device for flame retardant plastic modification according to claim 1, characterized in that: The top of the feeding tube (203) is rotatably connected to a dust cover (16), and the surface of the dust cover (16) is engraved with anti-slip patterns.

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