Material mixing structure for mixing plastic particles

Abstract

The utility model discloses a mixing structure for mixing plastic particles, the mixing structure comprises a mixing work box, a feeding mechanism and a mixed material storage mechanism, the mixed material storage mechanism is installed in the mixing work box and located below the feeding mechanism, the mixed material storage mechanism comprises a mixing bin, a material level sensor, a stirring assembly and a stirring motor, the stirring assembly is installed in the mixing bin, a power output shaft of the stirring motor is connected with the stirring assembly, the material level sensor is installed on the inner side wall of the mixing bin and located above the stirring assembly, a control cabinet is installed on the side wall of the mixing work box, and the material level sensor and the stirring motor are both electrically connected with the control cabinet. The stirring assembly comprises a rotating shaft and three groups of stirring paddles, and the three groups of stirring paddles are mounted on the rotating shaft at intervals. The material mixing structure can stir and mix falling plastic particles in time, so that the stirring and mixing efficiency is improved, and the plastic particle stirring device is very suitable for mixing and stirring various different types of plastic particles.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic particle processing, specifically relates to a mixing structure for mixing plastic particles. BACKGROUND

[0002] Common plastic particles include general-purpose plastics and engineering plastics, the general-purpose plastics include polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, the engineering plastics include nylon, polytetrafluoroethylene, polyformaldehyde, polycarbon organic silicon, and the plastic particles can be made into various shapes of plastic parts such as bottles, boxes, bags through injection molding, blow molding and other processing technology.

[0003] The plastic particles need to be injection molded into plastic parts, usually need to mix different plastic particles uniformly, and then send to the injection molding machine for processing, the original mixing of plastic particles is through artificial weighing, and mixing is carried out by stirring tool, and the labor degree required by artificial investment is large, and the artificial cost is high.

[0004] Therefore, the existing manufacturer designs a mixing device, the mixing device mainly comprises a plurality of hoppers, a mixing tank, a group of stirring blades and a motor, the plurality of hoppers are used for storing plastic particles, different plastic particles are dropped into the mixing tank from the plurality of hoppers, then the operator starts the motor to work, and the motor drives the stirring blades to stir the different plastic particles, so that the mixing of different plastic particles is completed.

[0005] The existing mixing device has the following deficiencies:

[0006] 1), the existing plastic particles need artificial control during stirring, which affects the stirring efficiency of the plastic particles;

[0007] 2), the existing mixing device only has a group of stirring blades, the stirring blades are relatively single, when a plurality of different plastic particles need to be mixed, only a group of stirring blades is simple, which affects the mixing efficiency of the plastic particles, cannot uniformly mix a plurality of different plastic particles, and easily leads to poor mixing effect of the plastic particles, which seriously affects the subsequent injection molding process of the plastic particles. INVENTION CONTENTS

[0008] The utility model solves the technical problem in the prior art, provides a mixing structure, which is provided with a material level sensor in the mixing bin, can sense the falling of plastic particles, can timely stir and mix the falling plastic particles, improves the stirring and mixing efficiency, is provided with three groups of stirring paddles on the rotating shaft, the rotating shaft drives the multiple groups of stirring paddles to rotate, is very suitable for mixing and stirring of multiple different types of plastic particles, and ensures the mixing effect of different types of plastic particles.

[0009] To solve the above technical problems, the utility model discloses the following technical scheme:

[0010] A kind of mixing structure for plastic particle mixing, the mixing structure includes mixing work box, feeding mechanism, mixing storage mechanism, the feeding mechanism is installed to the upper end of mixing work box, the mixing storage mechanism is installed to the inside of mixing work box and is located below feeding mechanism, the mixing storage mechanism includes mixing bin, material level sensor, stirring assembly, stirring motor, the stirring assembly is installed to the inside of mixing bin, the power output shaft of stirring motor is connected with stirring assembly and is located at the outside of mixing bin, the material level sensor is installed to the inner side wall of mixing bin, the material level sensor is located above stirring assembly, the side wall of mixing work box is equipped with control cabinet, the material level sensor, stirring motor are all electrically connected with control cabinet, the stirring assembly includes rotating shaft and three groups of stirring paddles, the rotating shaft is installed to the inside of mixing bin, three groups of stirring paddles are spaced apart and installed on rotating shaft, the end of rotating shaft is connected with the power output shaft of stirring motor.

[0011] Further, each group of stirring paddles includes at least two rotating blades, and the two rotating blades of each group of stirring paddles are symmetrically arranged based on the rotating shaft.

[0012] Further, the feeding mechanism includes a feeding hopper, a transverse partition plate, and a longitudinal partition plate, the transverse partition plate and the longitudinal partition plate are cross-connected and fixed in the interior of the feeding hopper, and the feeding hopper is divided into a plurality of feeding bins by the transverse partition plate and the longitudinal partition plate.

[0013] Further, a plurality of groups of discharging mechanisms are arranged on the outside of the feeding hopper, and the plurality of groups of discharging mechanisms are installed on the outside of the plurality of feeding bins.

[0014] Further, a discharging opening is arranged on the outside of each feeding bin, each group of discharging mechanisms includes a discharging pipe, a movable opening and closing plate, a fixed plate, an adjusting screw, and a butterfly screw cap matched with the adjusting screw, the movable opening and closing plate is movably installed on the inside of the fixed plate and located at the discharging opening of the feeding bin, the discharging pipe is fixed on the outside of the fixed plate, the upper end of the fixed plate is provided with a first adjusting hole, the movable opening and closing plate is provided with a second adjusting hole, the rod body of the adjusting screw passes through the first adjusting hole of the fixed plate and the first adjusting hole of the movable opening and closing plate, and then the movable opening and closing plate and the fixed plate are installed at the discharging opening of the feeding bin through the butterfly screw cap, the lower half of the movable opening and closing plate is a material blocking end, and the upper half of the movable opening and closing plate is provided with a discharging opening.

[0015] Further, two end sides in the fixed plate are provided with sliding grooves, and the movable opening and closing plate is movably installed at the sliding grooves on the inside of the fixed plate.

[0016] Further, the top end of the movable opening and closing plate is further fixed with a limiting part extending outward.

[0017] Compared with the prior art, the mixing structure has the following beneficial effects:

[0018] The mixing structure includes a mixing work box, a feeding mechanism and a mixing storage mechanism, the feeding mechanism is installed at the upper end of the mixing work box, the mixing storage mechanism is installed inside the mixing work box and below the feeding mechanism, the mixing storage mechanism includes a mixing bin, a material level sensor, a stirring assembly and a stirring motor, the stirring assembly is installed inside the mixing bin, the power output shaft of the stirring motor is connected with the stirring assembly and located outside the mixing bin, the material level sensor is installed on the inner side wall of the mixing bin and above the stirring assembly, a control cabinet is installed on the side wall of the mixing work box, the material level sensor and the stirring motor are electrically connected with the control cabinet, the stirring assembly includes a rotating shaft and three groups of stirring paddles, the rotating shaft is installed inside the mixing bin, the three groups of stirring paddles are installed on the rotating shaft at intervals, and the end of the rotating shaft is connected with the power output shaft of the stirring motor, the material level sensor is arranged inside the mixing bin to sense the falling of the plastic particles and timely stir and mix the falling plastic particles, so that the stirring and mixing efficiency is improved, the three groups of stirring paddles are arranged on the rotating shaft, the rotating shaft drives the multiple groups of stirring paddles to rotate, and the mixing structure is very suitable for mixing and stirring of multiple different types of plastic particles and ensures the mixing effect of different types of plastic particles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an overall structure schematic view of the mixing structure of the utility model;

[0020] Figure 2 It is a structure schematic view of another angle of the mixing structure of the utility model;

[0021] Figure 3 It is an internal structure schematic view of the mixing structure of the utility model Figure 1 ;

[0022] Figure 4 It is an internal structure schematic view of the mixing structure of the utility model Figure 2 ;

[0023] Figure 5 It is a structure schematic view of the mixing storage mechanism of the utility model Figure 1 ;

[0024] Figure 6 It is a structure schematic view of the mixing storage mechanism of the utility model Figure 2 ;

[0025] Figure 7 It is a relationship schematic view of the stirring assembly and the stirring motor of the utility model;

[0026] Figure 8 It is a structure schematic view of the mixing work box of the utility model;

[0027] Figure 9 It is a structural schematic view of the feeding structure of the utility model;

[0028] Figure 10 It is a structural schematic view of the feeding hopper of the utility model;

[0029] Figure 11 It is a structural schematic view of the feeding mechanism of the utility model;

[0030] Figure 12 It is a structural schematic view of the feeding mechanism of the utility model from another angle;

[0031] Figure 13 It is a structural exploded view of the control cabinet of the utility model;

[0032] Figure 14 It is an electrical view of the PLC controller of the utility model.

[0033] In the figure, the mixing work box 1, the work box body 11, the box door 12, the hinge 13, the feeding mechanism 2, the feeding hopper 21, the horizontal partition plate 22, the vertical partition plate 23, the hopper cover plate 24, the feeding port 25, the feeding bin 26, the feeding opening 27, the mixing storage mechanism 3, the mixing bin 31, the material level sensor 32, the stirring assembly 33, the rotating shaft 331, the stirring paddle 332, the rotating blade 333, the stirring motor 34, the feeding mechanism 4, the feeding pipe 41, the movable opening and closing plate 42, the material blocking end 421, the feeding opening 422, the limiting part 423, the fixed plate 43, the adjusting screw rod 44, the butterfly screw cap 45, the control cabinet 5, the cabinet body 51, the PLC controller 52, the man-machine operation interface 53. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] As Figures 1-7The utility model provides a kind of mixing structure for plastic particle mixing, the mixing structure includes mixing work box 1, feeding mechanism 2, mixing storage mechanism 3, feeding mechanism 2 is installed in the upper end of mixing work box 1, mixing storage mechanism is installed in the inside of mixing work box 1 and below feeding mechanism 2, mixing storage mechanism 3 includes mixing bin 31, material level sensor 32, stirring assembly 33, stirring motor 34, stirring assembly 33 is installed in the inside of mixing bin 31, the power output shaft of stirring motor 34 is connected with stirring assembly 33 and located the outside of mixing bin 31, material level sensor 32 is installed in the inside wall of mixing bin 31, material level sensor 32 is located above stirring assembly 33, the sidewall of mixing work box 1 is equipped with control cabinet 5, material level sensor 32, stirring motor 34 are electrically connected with control cabinet 5, stirring assembly 33 includes rotating shaft 331 and three groups of stirring paddle 332, rotating shaft 331 is installed in the inside of mixing bin 31, three groups of stirring paddle 332 are spaced apart and installed on rotating shaft 331, the end of rotating shaft 331 is connected with the power output shaft of stirring motor 34, in the utility model embodiment, three groups of stirring paddle 332 are two groups of mixed stirring paddle 332 and a group of up-down flip stirring paddle 332, two groups of mixed stirring paddle 332 are installed at the two ends of rotating shaft 331, up-down flip stirring paddle 332 is installed in the middle of rotating shaft 331 and between two groups of mixed stirring paddle 332, discharge port is equipped in the bottom of mixing bin 31, the utility model is provided with material level sensor 32 in the inside of mixing bin 31, can induct and gather the material level of plastic particle falling to the inside of mixing bin 31, and gather to control cabinet 5, after receiving the signal sent by material level sensor 32, control cabinet 5 will send signal to stirring motor 34, so that stirring motor 34 drives stirring assembly 33 to move, can mix different plastic particles falling in time, improve plastic particle mixing processing efficiency, three groups of stirring paddle 332 are arranged on rotating shaft 331, and rotating shaft 331 drives multiple stirring paddle 332 to rotate, very suitable for the mixing of multiple different types of plastic particles, can improve the efficiency and uniformity of mixed stirring paddle 332 of different types of plastic particles, ensure the mixing effect of multiple different types of plastic particles, after different types of plastic particles in mixing bin 31 are mixed uniformly by stirring assembly 33, can be sent from discharge port.

[0036] When being specifically implemented, each group of stirring paddle 332 of the utility model includes at least two rotating blades 333, and the two rotating blades 333 of each group of stirring paddle 332 are symmetrically arranged based on rotating shaft 331. Each group of stirring paddle 332 is provided with at least two rotating blades 333, which can improve the efficiency and quality of each group of stirring paddle 332 in mixing multiple different plastic particles.

[0037] As Figure 8As shown, the utility model realizes when, the mixing work box 1 includes work box body 11, box door 12, hinge 13, and the mixing storage mechanism 3 is installed in work box body 11 inside, and the one side of box door 12 is hinged with the one side of work box body 11 through hinge 13, sets up hinge 13, and it is very convenient to open and close box door 12, and it is convenient to observe the mixing storage mechanism 3 of work box body 11 inside different types plastic particle stirring mixing condition, also convenient to carry out the later maintenance to internal mixing storage mechanism 3.

[0038] As Figure 9 As shown, the utility model's feeding mechanism 2 includes feeding hopper 21, horizontal partition 22, longitudinal partition 23, and horizontal partition 22 and longitudinal partition 23 cross connection and are fixed in the inside of feeding hopper 21, and feeding hopper 21 is divided into several feeding bin 26 through horizontal partition 22, longitudinal partition 23, and setting horizontal partition 22, longitudinal partition 23 in feeding hopper 21 can store multiple different types of plastic particles, only need a feeding hopper 21 can store multiple different types of plastic particles, need not set multiple feeding hopper 21, reduce equipment cost investment, improve the space utilization of feeding hopper 21 when realizing, the top of the utility model feeding hopper 21 is equipped with hopper cover plate 24, and hopper cover plate 24 is equipped with the feeding port 25 corresponding with several feeding bin 26 equal number and position.

[0039] As Figures 10-12As shown, the utility model of specific implementation time, in the outside of feeding hopper 21 is equipped with several groups of material discharging mechanism 4, several groups of material discharging mechanism 4 are installed in the outside of several feeding bin 26, and the outside of each feeding bin 26 is provided with material discharging port 27, and each group of material discharging mechanism 4 includes material discharging pipe 41, mobile open-close plate 42, fixed plate 43, adjusting screw rod 44, and butterfly nut 45 matched with adjusting screw rod 44, mobile open-close plate 42 is movably installed to the inside of fixed plate 43 and is located at the material discharging port 27 of feeding bin 26, material discharging pipe 41 is fixed to the outside of fixed plate 43, and the upper end of fixed plate 43 is equipped with first adjusting hole, and mobile open-close plate 42 is equipped with second adjusting hole, and the rod body of adjusting screw rod 44 passes through the first adjusting hole of fixed plate 43, the first adjusting hole of mobile open-close plate 42 and then installs mobile open-close plate 42, fixed plate 43 at the material discharging port 27 of feeding bin 26 through butterfly nut 45, and the lower half of mobile open-close plate 42 is material blocking end 421, and the upper half of mobile open-close plate 42 is equipped with material discharging opening 422, and the inside of fixed plate 43 is equipped with sliding groove, and mobile open-close plate 42 is movably installed to the sliding groove of the inside of fixed plate 43, and the top end of mobile open-close plate 42 is also fixed with outwardly extending limiting portion 423. Each group of material discharging mechanism 4 can install mobile open-close plate 42 at the sliding groove of the inside of fixed plate 43 through adjusting screw rod 44 and butterfly nut 45 cooperation, so that the material blocking end 421 of mobile open-close plate 42 can block the material discharging port 27 of feeding bin 26, to prevent the plastic particles in feeding bin 26 from flowing out, by unscrewing butterfly nut 45, the installation position of mobile open-close plate 42 and fixed plate 43 is loosened, mobile open-close plate 42 is slid down, the material discharging opening 422 of mobile open-close plate 42 is aligned with the material discharging port 27 of feeding bin 26, so that the plastic particles in feeding bin 26 flow out from the material discharging port 27 of feeding bin 26, the material discharging opening 422 of mobile open-close plate 42 and material discharging pipe 41 in turn, the plastic particles in feeding bin 26 can be discharged according to user's demand, the material in feeding bin 26 is conveniently discharged, and the material is replaced, the replacement operation process is very convenient, the operation difficulty of staff is reduced, the limiting portion 423 is arranged, the mobile open-close plate 42 can be prevented from moving too much, and the mobile open-close plate 42 is limited.

[0040] Specific implementation, the utility model of material level sensor 32 can be provided with three, including low material level sensor 32, middle material level sensor 32, high material level sensor 32, low material level sensor 32, middle material level sensor 32, high material level sensor 32 are installed to the inside wall of mixing bin 31 in order from bottom to top, and low material level sensor 32, middle material level sensor 32, high material level sensor 32 are electrically connected with control cabinet 5.

[0041] As Figures 13-14As shown, in the embodiment, the control cabinet 5 comprises a cabinet body 51, a PLC controller 52 and a man-machine interface 53, the PLC controller 52 is arranged in the cabinet body 51, and the man-machine interface 53 is arranged at the front end of the cabinet body 51, the PLC controller 52 comprises a CPU module, a start switch SB1, a stop switch SB2, a motor manual control switch SB6, a low liquid level switch SQ1, a middle liquid level switch SQ2, a high liquid level switch SQ3, a contactor KM1, a contactor KM2 and a contactor KM3, the CPU module is a Siemens S7-200 SMART PLC, the input end of the PLC controller 52 is electrically connected with the start switch SB1, the stop switch SB2, the motor manual control switch SB6, the low liquid level switch SQ1, the middle liquid level switch SQ2 and the high liquid level switch SQ3, and the input end of the PLC controller 52 is electrically connected with the contactor KM1, the contactor KM2 and the contactor KM3, wherein the contactor KM1 and the contactor KM2 are electrically connected with the stirring motor 34, the control cabinet 5 further comprises a feeding bin 26 switch SB3, a feeding bin 26 switch SB4 and a feeding bin 26 switch SB5, and the feeding bin 26 switch SB3, the feeding bin 26 switch SB4 and the feeding bin 26 switch SB5 are electrically connected with the input end of the PLC controller 52, the working operation of the liquid level sensor 32 and the stirring motor 34 can be realized by the PLC controller 52 in the control cabinet 5, and the automation degree of plastic particle mixing and stirring is improved.

[0042] The utility model has been described in detail above, the above-mentioned are only the preferred embodiment of the utility model, and cannot limit the utility model implementation scope, namely, all equivalent changes and modifications made according to the application range should still belong to the utility model coverage.

Claims

1. A mixing structure for mixing plastic particles, characterized by: The mixing structure comprises a mixing work tank, a feeding mechanism and a mixing storage mechanism, the feeding mechanism is installed on the upper end of the mixing work tank, the mixing storage mechanism is installed inside the mixing work tank and below the feeding mechanism, the mixing storage mechanism comprises a mixing bin, a material level sensor, a stirring assembly and a stirring motor, the stirring assembly is installed inside the mixing bin, the power output shaft of the stirring motor is connected with the stirring assembly and located outside the mixing bin, the material level sensor is installed on the inner side wall of the mixing bin and above the stirring assembly, a control cabinet is installed on the side wall of the mixing work tank, the material level sensor and the stirring motor are electrically connected with the control cabinet, the stirring assembly comprises a rotating shaft and three groups of stirring paddles, the rotating shaft is installed inside the mixing bin, the three groups of stirring paddles are installed on the rotating shaft at intervals, and the end of the rotating shaft is connected with the power output shaft of the stirring motor.

2. The mixing structure for mixing plastic particles according to claim 1, characterized in that: Each group of stirring paddles comprises at least two rotating blades, and the two rotating blades of each group of stirring paddles are symmetrically arranged based on the rotating shaft.

3. The mixing structure for mixing plastic particles according to claim 1, wherein: The feeding mechanism comprises a feeding hopper, a transverse partition plate and a longitudinal partition plate, the transverse partition plate and the longitudinal partition plate are cross-connected and fixed inside the feeding hopper, and the feeding hopper is divided into a plurality of feeding bins by the transverse partition plate and the longitudinal partition plate.

4. The mixing structure for mixing plastic particles according to claim 3, wherein: A plurality of groups of discharging mechanisms are arranged outside the feeding hopper.

5. The mixing structure for mixing plastic particles according to claim 4, wherein: A discharging opening is arranged outside each feeding bin, each group of discharging mechanisms comprises a discharging pipe, a movable opening and closing plate, a fixed plate, an adjusting screw and a butterfly screw cap matched with the adjusting screw, the movable opening and closing plate is movably installed inside the fixed plate and located at the discharging opening of the feeding bin, the discharging pipe is fixed outside the fixed plate, the upper end of the fixed plate is provided with a first adjusting hole, the movable opening and closing plate is provided with a second adjusting hole, the rod body of the adjusting screw passes through the first adjusting hole of the fixed plate and the first adjusting hole of the movable opening and closing plate, and then the movable opening and closing plate and the fixed plate are installed at the discharging opening of the feeding bin through the butterfly screw cap, the lower half of the movable opening and closing plate is a material blocking end, and the upper half of the movable opening and closing plate is provided with a discharging opening.

6. The mixing structure for mixing plastic particles according to claim 5, wherein: Sliding grooves are arranged at both ends of the fixed plate, and the movable opening and closing plate is movably installed in the sliding grooves inside the fixed plate.

7. The mixing structure for mixing plastic particles according to claim 6, characterized in that: The top end of the movable opening and closing plate is further fixed with a limiting portion extending outward.

Images