Raw material mixing device for engineering plastics

Abstract

The utility model discloses a raw material mixing device for engineering plastics, which comprises a mixing and screening tank, a blanking pipe and a stirring tank, the middle of the top side of the mixing and screening tank is fixedly connected with the blanking pipe in a penetrating manner, the top end of the blanking pipe is fixedly connected with the stirring tank in a penetrating manner, and the edge of the top of the stirring tank is fixedly connected with a supporting rod. The top of the supporting rod is fixedly connected with a material distributing tank, and a material conveying pipe is fixed between the right side of the bottom of the material distributing tank and the right side of the top of the stirring tank in a penetrating mode, different kinds of raw materials can be automatically fed into the stirring tank, classified storage, weighing and discharging of the raw materials can be achieved, weighing and weighing operation is more accurate, and practicability is further improved; according to the raw material mixing and screening device, various raw materials can be stirred and mixed, the sweeping plate can fully push the raw materials into the mixing and screening tank in the discharging process, the design structure is more reasonable, a large amount of dust impurities in the mixed materials can be screened through rolling, and the production and use quality of the raw materials is greatly improved.

Description

Technical Field

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

[0002] Engineering plastics refer to industrial plastics used as materials for industrial parts or housings. They are plastics with excellent strength, impact resistance, heat resistance, hardness, and aging resistance, and are in high demand in various fields, such as nylon (PA) and polycarbonate (PC).

[0003] In the prior art, application number 202320435966.2 discloses a mixing device for engineering plastics production, including a mixing tank. A fixing ring is fitted onto the mixing tank, and four support rods are arranged below the fixing ring. A feeding assembly is arranged above the mixing tank, and a mixing assembly is arranged inside the mixing tank. In the above device, the plastic raw material is weighed directly in the feeding pipe. However, because the plastic raw material is in contact with the inner wall of the feeding pipe, the weight detected by the weighing sensor at the bottom is not accurate enough. Furthermore, dust and impurities in the raw material cannot be effectively screened during the mixing process, which greatly reduces the mixing quality.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a raw material mixing device for engineering plastics to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A raw material mixing device for engineering plastics includes a mixing and screening tank, a feeding pipe, and a mixing tank. The top side of the mixing and screening tank is fixedly connected to the feeding pipe, and the top end of the feeding pipe is fixedly connected to the mixing tank. A support rod is fixedly connected to the top edge of the mixing tank, and a distribution tank is fixedly connected to the top of the support rod. A conveying pipe is fixedly connected between the bottom right side of the distribution tank and the top right side of the mixing tank. A first servo motor is fixedly connected to the top side of the distribution tank, and a feed pipe is fixedly connected to the top right side of the distribution tank. A second servo motor is fixedly connected to the right side of the mixing and screening tank, and the output shaft of the second servo motor is connected to a conveying and mixing component.

[0008] Preferably, the output shaft of the first servo motor extends into the material distribution tank and is fixedly connected to a rotating disk. Weighing tanks are arranged in a ring at equal intervals at the bottom of the rotating disk, and a first pneumatic butterfly valve is connected through the bottom of each weighing tank.

[0009] Preferably, the bottom annular equidistant excavation of the rotating disc is provided with a connecting hole slot, a load cell is embedded and fixed in the middle of the top side of the inner wall of the connecting hole slot, and a connecting hole is formed in one side of the load cell.

[0010] Preferably, the detection unit of the load cell is connected and fixed to the top side of the weighing tank, and the feeding hopper is movably connected to the top side of the connecting hole.

[0011] Preferably, a mounting disc is fixedly connected to the upper wall of the inner wall of the discharging pipe, a third servo motor is fixedly connected to the middle of the bottom side of the mounting disc, the output shaft of the third servo motor penetrates the top side of the mounting disc and is fixedly connected with a connecting shaft, and a first stirring rod is symmetrically arranged on the outer wall of the connecting shaft.

[0012] Preferably, a second pneumatic butterfly valve is formed in the top right side of the mounting disc, a sweeping plate is fixedly connected to the bottom side of the outer wall of the connecting shaft, and the sweeping plate is movably connected to the mounting disc.

[0013] Preferably, a mounting ring is fixedly connected to the left side of the mixing and screening tank, an arc-shaped bottom plate is fixedly connected to the inner bottom side of the mounting ring, and a screening mesh is formed in the outer wall of the arc-shaped bottom plate.

[0014] Preferably, the second servo motor is fixedly connected to the right side of the fixed seat, and the output shaft is fixedly connected to the rotating shaft, and a plurality of auger blades are symmetrically connected to the outer wall of the rotating shaft.

[0015] The beneficial effects of the present application are as follows: different types of raw materials can be automatically fed into the stirring tank, the raw materials can be classified, stored, weighed and discharged, the weighing and discharging operation is more accurate, the practicability is further improved, a plurality of raw materials can be stirred and mixed, the sweeping plate can fully push the raw materials into the mixing and screening tank during discharging, the design structure is more reasonable, a large amount of dust and impurities in the mixed materials can be screened by rolling, and the quality of raw material production and use is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1It is a total structure schematic view of the raw material mixing device for engineering plastics according to the embodiment of the utility model;

[0018] Figure 2 It is a rotating disc bottom structure schematic view of the raw material mixing device for engineering plastics according to the embodiment of the utility model;

[0019] Figure 3 It is a discharging pipe and mixing and screening tank internal structure schematic view of the raw material mixing device for engineering plastics according to the embodiment of the utility model;

[0020] Figure 4 It is a conveying and stirring part appearance structure schematic view of the raw material mixing device for engineering plastics according to the embodiment of the utility model.

[0021] In the drawing,

[0022] 1, mixing and screening tank, 2, discharging pipe, 3, stirring tank, 4, support rod, 5, distributing tank, 6, conveying pipe, 7, first servo motor, 8, feeding pipe, 9, second servo motor, 10, conveying and stirring part, 11, rotating disc, 12, weighing tank, 13, first pneumatic butterfly valve, 14, connecting hole groove, 15, weighing sensor, 16, connecting hole, 17, feeding hopper, 18, mounting disc, 19, third servo motor, 20, connecting shaft, 21, second pneumatic butterfly valve, 22, sweeping plate, 23, mounting ring, 24, arc-shaped bottom plate, 25, screening mesh, 26, fixed seat, 27, rotating shaft, 28, auger blade, 29, pushing plate, 30, stirring rod. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, and the person skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the utility model, the raw material mixing device for engineering plastics is provided.

[0025] Embodiment one

[0026] As Figures 1-4As shown, the raw material mixing device for engineering plastics, according to the embodiment of the utility model, including mixing and screening jar 1, downspout 2, agitator 3, mixing and screening jar 1 top side middle part and downspout 2 through fixedly connected, downspout 2 top and agitator 3 through fixedly connected, the rim fixedly connected with support rod 4 at the top of agitator 3, support rod 4 top fixedly connected with distributing jar 5, and the right side between the bottom of distributing jar 5 and the right side of the top of agitator 3 through fixedly connected with material conveying pipe 6, distributing jar 5 top side middle part fixedly connected with first servo motor 7, distributing jar 5 top right side through fixedly connected with feeding pipe 8, mixing and screening jar 1 right side fixedly connected with second servo motor 9, and the output shaft of second servo motor 9 is connected with material conveying stirring piece 10, the output shaft of first servo motor 7 extends into the inside of distributing jar 5, and fixedly connected with rotary disc 11, and the bottom of rotary disc 11 is annularly and equidistantly provided with weighing jar 12, and the bottom of weighing jar 12 is all throughly connected with first pneumatic butterfly valve 13, and the bottom of rotary disc 11 is annularly and equidistantly provided with connecting hole groove 14, and the top side middle part of the inner wall of connecting hole groove 14 is embeddedly fixed with weighing sensor 15, and the side of weighing sensor 15 is throughly provided with connecting hole 16, and the top of weighing jar 12 is through fixedly connected with feeding hopper 17, and the detection unit of weighing sensor 15 is fixedly connected with the top side of weighing jar 12, and feeding hopper 17 is movably through connecting hole 16 top side, by starting first servo motor 7, the output shaft of first servo motor 7 drives rotary disc 11 to rotate, makes the feeding hopper 17 of the top of weighing jar 12 at the bottom of rotary disc 11 and first pneumatic butterfly valve 13 respectively with the position of feeding pipe 8, material conveying pipe 6 correspond, then through feeding pipe 8 to the corresponding feeding hopper 17 conveying raw material, according to the effect of weighing sensor 15, make it detect the weight of weighing jar 12, can send different kinds of raw materials into different weighing jar 12, and rotate different weighing jar 12, then open the first pneumatic butterfly valve 13 at the bottom, can automatically send different kinds of raw materials into agitator 3 inside, can classify storage, weighing and downfeed to raw material, the operation of weighing component is more accurate, and the practicality is further improved.

[0027] Example two

[0028] As Figures 1-4As shown, the raw material mixing device for engineering plastics, according to the utility model embodiment, including mixing and screening jar 1, downpipe 2, stirring jar 3, mixing and screening jar 1 top side middle part with downpipe 2 through fixedly connected, downpipe 2 top with stirring jar 3 through fixedly connected, stirring jar 3 top edge fixedly connected with support rod 4, support rod 4 top fixedly connected with distribution jar 5, distribution jar 5 bottom right side and stirring jar 3 top right side between through fixed with material conveying pipe 6, distribution jar 5 top side middle part fixedly connected with first servo motor 7, distribution jar 5 top right side through fixed with feeding pipe 8, mixing and screening jar 1 right side fixedly connected with second servo motor 9, second servo motor 9's output shaft is connected with material stirring piece 10, downpipe 2 inner wall top fixedly connected with mounting disc 18, mounting disc 18 bottom side middle part fixedly connected with third servo motor 19, third servo motor 19's output shaft passes through mounting disc 18 top side, and fixedly connected with connecting shaft 20, connecting shaft 20 outer wall is equally spaced and symmetrical and is equipped with first stirring rod 30, mounting disc 18 top right side through second pneumatic butterfly valve 21 is equipped with, connecting shaft 20 outer wall bottom fixedly connected with sweep board 22, sweep board 22 bottom side with mounting disc 18 swing joint, the raw material in distribution jar 5 in batches, by starting third servo motor 19, third servo motor 19's output shaft drives first stirring rod 30 to rotate, can mix a variety of raw materials, open second pneumatic butterfly valve 21 and make the raw material after mixing enter mixing and screening jar 1, and in the process of down, sweep board 22 can be fully pushed into raw material mixing and screening jar 1, and the design structure is more reasonable.

[0029] Example three

[0030] As Figures 1-4As shown, the raw material mixing device for engineering plastics, according to the utility model embodiment, including mixing and screening tank 1, downpipe 2, agitator tank 3, mixing and screening tank 1 top side middle part and downpipe 2 through fixed connection, downpipe 2 top and agitator tank 3 through fixed connection, the rim fixed connection of agitator tank 3 top portion has support rod 4, support rod 4 top fixed connection has distribution tank 5, and the right side between distribution tank 5 bottom and agitator tank 3 top right side through fixed with feed pipe 6, distribution tank 5 top side middle part fixed connection has first servo motor 7, distribution tank 5 top right side through fixed with feed pipe 8, mixing and screening tank 1 right side fixed connection has second servo motor 9, and the output shaft of second servo motor 9 is connected with feed stirring piece 10, and mixing and screening tank 1 left side through fixed with mounting ring 23, the inboard bottom of mounting ring 23 is fixedly connected with arc bottom plate 24, and the outer wall of arc bottom plate 24 is provided with screening net 25 through, feed stirring piece 10 includes fixed seat 26, rotating shaft 27, and the left side of fixed seat 26 is connected with the right end of rotating shaft 27 through bearing, and second servo motor 9 is fixedly connected with the right side of fixed seat 26, and the output shaft is fixedly connected with rotating shaft 27, and the outer wall of rotating shaft 27 is fixedly connected with auger blade 28, and push plate 29 is arranged between auger blade 28, and push plate 29 is fixedly connected with the outer wall of rotating shaft 27, by starting second servo motor 9, the output shaft of second servo motor 9 drives rotating shaft 27 to rotate, and the auger blade 28 on the outer wall of rotating shaft 27 can push the mixed raw material to the left, and discharge from mixing and screening tank 1, and in the process of conveying, push plate 29 can lift a large amount of raw material, under the action of screening net 25, a large amount of dust impurities in mixed material can be screened by rolling, greatly improve the quality of raw material production use.

[0031] According to the above technical scheme of the utility model, when the device is used, the first servo motor 7 is started, the output shaft of the first servo motor 7 drives the rotating disc 11 to rotate, the feed hopper 17 at the top end of the weighing tank 12 at the bottom of the rotating disc 11 corresponds to the first pneumatic butterfly valve 13, and the first pneumatic butterfly valve 13 corresponds to the position of the feed pipe 8 and the material conveying pipe 6, then raw materials are conveyed to the corresponding feed hopper 17 through the feed pipe 8, under the action of the weighing sensor 15, the weight of the weighing tank 12 is detected, different kinds of raw materials can be sent into different weighing tanks 12, different weighing tanks 12 are rotated, then the first pneumatic butterfly valve 13 at the bottom is opened, different kinds of raw materials can be automatically sent into the stirring tank 3, the raw materials can be classified, weighed and discharged, the raw materials in batches enter the material distribution tank 5, the third servo motor 19 is started, the output shaft of the third servo motor 19 drives the first stirring rod 30 to rotate, a plurality of raw materials can be stirred and mixed, the second pneumatic butterfly valve 21 is opened, the mixed raw materials enter the material mixing and screening tank 1, and in the discharging process, the material sweeping plate 22 can fully push the raw materials into the material mixing and screening tank 1, the second servo motor 9 is started, the output shaft of the second servo motor 9 drives the rotating shaft 27 to rotate, the auger blade 28 on the outer wall of the rotating shaft 27 can push the mixed raw materials to the left, and the mixed raw materials are discharged from the material mixing and screening tank 1, and in the conveying process, the material pushing plate 29 can lift a large amount of raw materials, under the action of the screening mesh 25, a large amount of dust and impurities in the mixed materials can be screened through rolling.

[0032] The above merely describes the preferred embodiments of the utility model, and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A raw material mixing device for engineering plastics, comprising a mixing and screening tank (1), a feeding pipe (2), and a stirring tank (3), characterized in that, The mixing and screening tank (1) is fixedly connected with the feeding pipe (2) through the middle part of the top side, the top end of the feeding pipe (2) is fixedly connected with the stirring tank (3), the support rod (4) is fixedly connected with the top edge of the stirring tank (3), the support rod (4) is fixedly connected with the distribution tank (5) at the top, the distribution tank (5) is fixedly connected with the feeding pipe (6) through the right side of the bottom of the distribution tank (5) and the right side of the top of the stirring tank (3), the first servo motor (7) is fixedly connected with the middle part of the top side of the distribution tank (5), the feeding pipe (8) is fixedly connected with the right side of the top of the distribution tank (5), the second servo motor (9) is fixedly connected with the right side of the mixing and screening tank (1), and the output shaft of the second servo motor (9) is connected with the feeding and stirring part (10).

2. The raw material mixing device for engineering plastics according to claim 1, wherein The output shaft of the first servo motor (7) extends into the inside of the distribution tank (5), and the rotating disc (11) is fixedly connected, a plurality of weighing tanks (12) are arranged at equal intervals in the bottom of the rotating disc (11), and the bottom end of each weighing tank (12) is connected with the first pneumatic butterfly valve (13).

3. The raw material mixing device for engineering plastics according to claim 2, wherein The rotating disc (11) is provided with a connecting hole groove (14) at equal intervals in the bottom, the weighing sensor (15) is embedded and fixed on the inner wall of the connecting hole groove (14) at the middle part of the top side, one side of the weighing sensor (15) is provided with a connecting hole (16), and the top end of the weighing tank (12) is fixedly connected with the feeding hopper (17).

4. The raw material mixing device for engineering plastics according to claim 3, wherein The detection unit of the weighing sensor (15) is fixedly connected with the top side of the weighing tank (12), and the feeding hopper (17) movably penetrates the top side of the connecting hole (16).

5. The raw material mixing device for engineering plastics according to claim 4, wherein The mounting disc (18) is fixedly connected with the third servo motor (19) at the middle part of the bottom side, the output shaft of the third servo motor (19) penetrates the top side of the mounting disc (18) and is fixedly connected with the connecting shaft (20), and a plurality of stirring rods (30) are symmetrically arranged on the outer wall of the connecting shaft (20).

6. The raw material mixing device for engineering plastics according to claim 5, wherein The second pneumatic butterfly valve (21) is arranged on the right side of the top of the mounting disc (18), the sweeping plate (22) is fixedly connected with the outer wall of the bottom of the connecting shaft (20), and the sweeping plate (22) is movably connected with the mounting disc (18).

7. The raw material mixing device for engineering plastics according to claim 6, wherein The mounting ring (23) is fixedly connected with the arc-shaped bottom plate (24) on the inner side of the bottom, the sieve screen (25) is arranged on the outer wall of the arc-shaped bottom plate (24), the feeding and stirring part (10) comprises a fixed seat (26) and a rotating shaft (27), and the left side of the fixed seat (26) is connected with the right end of the rotating shaft (27) through a bearing.

8. The raw material mixing device for engineering plastics according to claim 7, wherein The second servo motor (9) is fixedly connected with the right side of the fixed seat (26), the output shaft is fixedly connected with the rotating shaft (27), a plurality of auger blades (28) are symmetrically connected on the outer wall of the rotating shaft (27), the pushing plate (29) is arranged between the auger blades (28), and the pushing plate (29) is fixedly connected with the outer wall of the rotating shaft (27).

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