Conveying device for viscous plastic particles

By designing a separation bucket, a stirring device and an airflow-controlled sticky plastic particle conveying device, the problem of sticky plastic particle blockage is solved, and smooth conveying and efficient production are achieved.

CN223457759UActive Publication Date: 2025-10-21ZHANGJIAGANG MEITE MACROMOLECULE MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423122940.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Sticky plastic particles can easily clog the conveying pipeline during transportation, resulting in an inability to be smoothly sucked into the separation bucket, affecting subsequent transportation efficiency.

Method used

A conveying device including a separation bucket, a stirring device and an airflow control was designed. The combination of air extraction, air supply and stirring blades prevented sticky plastic particles from agglomerating in the pipeline. Solenoid valves and electric butterfly valves were used to remotely control the airflow to ensure smooth conveying.

Benefits of technology

It effectively avoids pipeline blockage and ensures that sticky plastic particles can be smoothly transported to the second silo, thereby improving production efficiency and equipment reliability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223457759U_ABST
    Figure CN223457759U_ABST
Patent Text Reader

Abstract

The utility model discloses a viscous plastic particle conveying device which is used for conveying viscous plastic particles from a first stock bin to a second stock bin and comprises a conveying pipeline, the upstream end of the conveying pipeline is communicated with the bottom of the first stock bin and connected with a separation hopper, and the separation hopper is communicated with the bottom of the second stock bin. The separating hopper is located above the second stock bin and comprises a separating hopper body, an air exhaust opening is formed in the upper end of the separating hopper body, a discharging opening is formed in the lower end of the separating hopper body, the air exhaust opening of the separating hopper body is communicated with the suction fan, a separating net is arranged in the separating hopper body, a feeding opening is formed in the side wall of the separating hopper body, and the conveying pipeline is communicated with the feeding opening. A discharging valve plate is installed on the discharging opening in a deflection mode, a feeding control valve is further arranged between the upstream end of the conveying pipeline and the first stock bin, an air supplementing opening is further formed in the upstream section of the conveying pipeline, an air supplementing valve is arranged on the air supplementing opening, and the air supplementing opening is located on the downstream of the feeding control valve; the conveying device can prevent the pipeline from being blocked.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of viscous plastic particle production, especially to a viscous plastic particle conveying device. BACKGROUND

[0002] At present, the production of plastic particles is all conveyed by using negative pressure, the negative pressure airflow is formed in the pipeline by using negative pressure, the particulate in the hopper is sucked and conveyed, and is separated through a separating hopper, the separating hopper lower part discharge port is provided with a valve plate that is inclined to one side, when the suction stops, the valve plate will be inclined to open due to its own weight, and the material will be discharged due to its own weight. However, viscous plastic particles are relatively soft and have a certain viscosity on the surface, so when discharging after the separating hopper is full, the conveying pipe is always filled with accumulated material, and these accumulated materials may be stuck together due to their own viscosity and extrusion in the conveying pipe, which may cause the plastic particles to be unable to be smoothly sucked into the separating hopper when the subsequent starts again, and may cause a blockage. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a viscous plastic particle conveying device, which can avoid the occurrence of pipeline blockage.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a viscous plastic particle conveying device, the conveying device is used for conveying viscous plastic particles from a first bin to a second bin, the conveying device comprises a conveying pipeline, the upstream end of the conveying pipeline is in communication with the bottom of the first bin, the upstream end of the conveying pipeline is connected with a separating hopper, the separating hopper is located above the second bin, the separating hopper comprises a separating hopper body, the upper end of the separating hopper body is provided with a suction port, the lower end is provided with a discharge port, the suction port of the separating hopper body is in communication with a suction fan, a separating net is arranged in the separating hopper body, a feeding port is arranged on the side wall of the separating hopper body below the separating net, the conveying pipeline is in communication with the feeding port, a discharge valve plate is installed on the discharge port and inclined to one side, a feeding control valve is further arranged between the upstream end of the conveying pipeline and the first bin, a gas supplementing port is further arranged on the upstream section of the conveying pipeline, a gas supplementing valve is arranged on the gas supplementing port, and the gas supplementing port is located downstream of the feeding control valve.

[0005] As a preferred scheme, the first bin is further provided with a stirring device for stirring the viscous plastic particles in the first bin.

[0006] As a preferred scheme, the stirring device comprises a rotating shaft rotatably arranged at the bottom of the first hopper, the upper end of the rotating shaft extends into the first hopper, a plurality of stirring blades are arranged on the rotating shaft, and a driving motor for driving the rotating shaft to rotate is arranged at the bottom of the first hopper.

[0007] As a preferred scheme, the number of the stirring blades is three and the stirring blades are circumferentially distributed.

[0008] As a preferred scheme, a plurality of vertical stirring rods are further arranged on the stirring blades.

[0009] As a preferred scheme, the air outlet of the suction fan is provided with an air outlet pipeline, and a cooling branch pipeline is connected to the air outlet pipeline and extends into the first hopper.

[0010] As a preferred scheme, the air supplement valve is an electromagnetic valve, and the feeding control valve is an electric butterfly valve.

[0011] After the above technical scheme is adopted, the effect of the utility model is that: the conveying device is used for conveying sticky plastic particles from the first hopper to the second hopper, the conveying device comprises a conveying pipeline, the upstream end of the conveying pipeline is communicated with the bottom of the first hopper, a separation hopper is connected to the upstream end of the conveying pipeline, the separation hopper is located above the second hopper, the separation hopper comprises a separation hopper body, the upstream end of the separation hopper body is provided with an air suction port, the downstream end of the separation hopper body is provided with a discharge port, the air suction port of the separation hopper body is communicated with a suction fan, a separation net is arranged in the separation hopper body, a feeding port is arranged on the sidewall of the separation hopper body below the separation net, the conveying pipeline is communicated with the feeding port, a discharge valve plate is swingably arranged on the discharge port, a feeding control valve is further arranged between the upstream end of the conveying pipeline and the first hopper, a gas supplement port is further arranged on the upstream section of the conveying pipeline, a gas supplement valve is arranged on the gas supplement port, and the gas supplement port is located downstream of the feeding control valve; firstly, the suction fan performs air suction through the air suction port, the discharge valve plate blocks the discharge port through swing, a negative pressure is formed in the separation hopper body, then the first hopper is suctioned through the conveying pipeline, the feeding control valve opens the conveying pipeline, the gas supplement valve closes the gas supplement port, thus the sticky plastic particles enter the separation hopper body from the first hopper through the conveying pipeline, the suction is stopped until the separation hopper body is full, the separation net prevents the sticky plastic particles from entering the air suction port, the discharge valve plate is opened, and the sticky plastic particles fall from the discharge port into the second hopper; then the discharge valve plate continues to block the discharge port, the suction fan performs air suction through the air suction port, the feeding control valve closes the conveying pipeline, the gas supplement valve opens the gas supplement port, and the sticky plastic particles in the conveying pipeline are suctioned clean, when the conveying is stopped, the situation of pipeline blockage is avoided.

[0012] And since the first bin is also provided with a stirring device for stirring the viscous plastic particles in the first bin; ensure that the viscous plastic particles in the conveying pipeline do not caking when pumping, facilitating better delivery.

[0013] And since the stirring device comprises a rotating shaft rotatably installed at the bottom of the first bin, the upper end of the rotating shaft extends into the first bin, a plurality of stirring blades are installed on the rotating shaft, and a driving motor for driving the rotating shaft to rotate is installed at the bottom of the first bin; the rotating shaft is driven to rotate by the driving motor, which drives the stirring blades to rotate, so that the viscous plastic particles inside can be kept in granular form after continuous rotation, facilitating pumping.

[0014] And since the number of stirring blades is three and they are circumferentially distributed, the stirring blades are in contact with the bottom of the first bin; preventing the viscous plastic particles from sticking to the bottom of the first bin, and facilitating smooth discharge.

[0015] And since the stirring blades are also provided with a plurality of vertically arranged stirring rods; the stirring rods can stir the viscous plastic particles above in the first bin when stirring the bottom of the first bin, loosening them in advance, facilitating subsequent stirring by the stirring blades, and improving the use effect.

[0016] And since the air outlet of the suction fan is provided with an air outlet pipeline, the air outlet pipeline is connected with a cooling branch pipeline, and the cooling branch pipeline extends into the first bin; the viscous plastic particles in the first bin can be blown and cooled to reduce the temperature of the viscous plastic particles and prevent them from sticking together.

[0017] And since the air supplement valve is an electromagnetic valve, and the feed control valve is an electric butterfly valve; both the opening and closing of the air supplement port and the conveying pipeline can be remotely opened, which is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described below in combination with the drawings and examples.

[0019] Figure 1 is a perspective view of an embodiment of the utility model;

[0020] Figure 2 is a sectional view of an embodiment of the utility model;

[0021] Figure 3 is Figure 2 A local enlarged view of the place;

[0022] In the drawing: 1, first silo; 2, second silo; 3, conveying pipeline; 4, separation hopper; 5, suction port; 6, discharge port; 7, suction fan; 8, separation net; 9, feed inlet; 10, discharge valve plate; 11, air supplementing port; 12, air supplementing valve; 13, first support; 14, second support; 15, separation support; 16, rotating shaft; 17, stirring blade; 18, driving motor; 19, transmission belt; 20, stirring rod; 21, air outlet pipeline; 22, cooling sub-pipeline; 23, electric butterfly valve. DETAILED DESCRIPTION

[0023] The utility model will be described in further detail below through specific embodiments.

[0024] As Figures 1 to 3 shown, a kind of viscous plastic particle conveying device, the conveying device is used to convey viscous plastic particle from first silo 1 to second silo 2, the conveying device includes conveying pipeline 3, the upstream end of the conveying pipeline 3 is communicated with the bottom of first silo 1, the upstream end of the conveying pipeline 3 is connected with separation hopper 4, the separation hopper 4 is located above second silo 2, the separation hopper 4 includes separation hopper 4 body, the upper end of the separation hopper 4 body is provided with suction port 5, lower end is provided with discharge port 6, the suction port 5 of the separation hopper 4 body is communicated with suction fan 7, the inside of the separation hopper 4 body is provided with separation net 8, the sidewall of the separation hopper 4 body is provided with feed inlet 9 below separation net 8, the conveying pipeline 3 is communicated with the feed inlet 9, discharge valve plate 10 is installed on the discharge port 6 with eccentric swing, the upstream end of the conveying pipeline 3 and first silo 1 are also provided with feed control valve, the upstream section of the conveying pipeline 3 is also provided with air supplementing port 11, air supplementing valve 12 is provided on the air supplementing port 11, the air supplementing port 11 is located downstream of feed control valve.

[0025] The first silo 1 and second silo 2 are all fixed and supported by first support 13 and second support 14, separation hopper 4 is installed above second silo 2 by separation support 15, separation support 15 is fixed with second support 14, to ensure that separation hopper 4 is fixed stably, discharge valve plate 10 is hinged in discharge port 6 of separation hopper 4, when suction port 5 is suctioned, suction port 6 will also produce suction, and discharge valve plate 10 will be suctioned to block discharge port 6, then suction will be suctioned to first silo 1 through conveying pipeline 3, when feed control valve closes conveying pipeline 3, air supplementing valve 12 can open air supplementing port 11 to suction viscous plastic particle in conveying pipeline 3 clean, to ensure that conveying pipeline 3 is not blocked by viscous plastic particle.

[0026] In the embodiment, the first bin 1 is further provided with a stirring device for stirring the viscous plastic particles in the first bin 1, so that the viscous plastic particles in the conveying pipeline 3 are not agglomerated during suction, and the conveying is facilitated.

[0027] As shown in Figure 2 , the stirring device comprises a rotating shaft 16 rotatably installed at the bottom of the first bin 1, the upper end of the rotating shaft 16 extends into the first bin 1, a plurality of stirring blades 17 are installed on the rotating shaft 16, and a driving motor 18 for driving the rotating shaft 16 to rotate is installed at the bottom of the first bin 1; the driving motor 18 is fixedly installed through the motor fixing plate on the first support 13, and the driving motor 18 and the rotating shaft 16 are drivingly connected through a belt transmission structure, so that the driving motor 18 drives the rotating shaft 16 to rotate through the driving transmission belt 19, and the stirring blades 17 are rotated, so that the internal viscous plastic particles are continuously rotated to maintain the granular state, facilitating suction.

[0028] Further, the number of stirring blades 17 is three and is circumferentially distributed, the stirring blades 17 are in contact with the bottom of the first bin 1, the three stirring blades 17 are uniformly distributed in the first bin 1, and the stirring blades 17 are in contact with the bottom of the first bin 1, so that the viscous plastic particles are prevented from adhering to the bottom of the first bin 1, and the discharge is smooth.

[0029] In the embodiment, the stirring blades 17 are further provided with a plurality of stirring rods 20 arranged vertically, since the stirring blades 17 can only stir the viscous plastic particles around the stirring blades 17, the plastic particles above the first bin 1 will also be agglomerated, the stirring rods 20 can stir the viscous plastic particles above the first bin 1 when the bottom of the first bin 1 is stirred, so that the viscous plastic particles are loosened in advance, the subsequent stirring of the stirring blades 17 is facilitated, and the use effect is improved.

[0030] As shown in Figure 1 , the outlet of the suction fan 7 is provided with an outlet pipeline 21, the outlet pipeline 21 is connected with a cooling branch pipeline 22, and the cooling branch pipeline 22 extends into the first bin 1; since the separating hopper 4 continuously sucks air in the first bin 1, the air flow is blown out from the outlet pipeline 21, and the air flow is blown and cooled on the viscous plastic particles in the first bin 1 from the cooling branch pipeline 22, so that the temperature of the viscous plastic particles is reduced, and agglomeration is prevented.

[0031] In the embodiment, the air supplement valve 12 is an electromagnetic valve, and the feeding control valve is an electric butterfly valve 23; the electromagnetic valve can quickly control the opening and closing of the air supplement opening 11, and the electric butterfly valve 23 can also open or close the conveying pipeline 3, both of which can be remotely controlled and cooperated with each other, so that the viscous plastic particles in the conveying pipeline 3 are effectively sucked and cleaned.

[0032] The working principle of the embodiment is as follows: firstly, the suction fan 7 sucks air through the air suction port 5 to the distribution hopper, the suction of the discharge port 6 makes the discharge valve plate 10 block the discharge port 6, and a negative pressure is formed in the body of the separation hopper 4, then the first bin 1 is sucked through the conveying pipeline 3, the electric butterfly valve 23 opens the conveying pipeline 3, the air supplement valve 12 closes the air supplement port 11, the viscous plastic particles enter the body of the separation hopper 4 from the first bin 1 through the conveying pipeline 3, and the suction stops until the body of the separation hopper 4 is full, the separation net 8 prevents the viscous plastic particles from entering the air suction port 5, the discharge valve plate 10 is opened, the viscous plastic particles fall from the discharge port 6 into the second bin 2, and the cooling branch pipe 22 blows air to the first bin 1 at the same time; then the discharge valve plate 10 continues to block the discharge port 6, the suction fan 7 sucks air through the air suction port 5, the electric butterfly valve 23 closes the conveying pipeline 3, the air supplement valve 12 opens the air supplement port 11, and the viscous plastic particles in the conveying pipeline 3 are sucked clean.

[0033] The above-described embodiments are only preferred embodiments of the utility model, and are not used to limit the range of the utility model. Various modifications and improvements of the technical scheme of the utility model made without departing from the design spirit of the utility model shall fall within the protection scope of the utility model as defined in the claims.

Claims

1. A conveying device for viscous plastic particles for conveying viscous plastic particles from a first bin to a second bin, characterized in that: The conveying device comprises a conveying pipeline, an upstream end of the conveying pipeline is communicated with a bottom of the first bin, a separation hopper is connected to the upstream end of the conveying pipeline, the separation hopper is located above the second bin, the separation hopper comprises a separation hopper body, an air suction port is arranged at an upper end of the separation hopper body, a discharge port is arranged at a lower end of the separation hopper body, the air suction port of the separation hopper body is communicated with a suction fan, a separation net is arranged in the separation hopper body, a feeding port is arranged on a sidewall of the separation hopper body below the separation net, the conveying pipeline is communicated with the feeding port, a discharge valve plate is swingably arranged on the discharge port, a feeding control valve is further arranged between the upstream end of the conveying pipeline and the first bin, a make-up air port is further arranged on an upstream section of the conveying pipeline, a make-up air valve is arranged on the make-up air port, and the make-up air port is located downstream of the feeding control valve.

2. A device for conveying tacky plastic particles as claimed in claim 1, characterized in that: The first bin is further provided with a stirring device for stirring viscous plastic particles in the first bin.

3. A device for conveying tacky plastic particles as claimed in claim 2, wherein: The stirring device comprises a rotating shaft rotatably arranged at a bottom of the first bin, an upper end of the rotating shaft extends into the first bin, a plurality of stirring blades are arranged on the rotating shaft, and a driving motor for driving the rotating shaft to rotate is arranged at the bottom of the first bin.

4. A device for conveying tacky plastic particles as claimed in claim 3, wherein: The number of the stirring blades is three and the stirring blades are circumferentially distributed, and the stirring blades are in contact with a bottom of the first bin.

5. A device for conveying tacky plastic particles as claimed in claim 4, wherein: A plurality of vertically arranged stirring rods are further arranged on the stirring blades.

6. A device for conveying tacky plastic particles as claimed in claim 5, wherein: An air outlet of the suction fan is provided with an air outlet pipeline, a cooling branch pipeline is connected to the air outlet pipeline, and the cooling branch pipeline extends into the first bin.

7. A device for conveying tacky plastic particles as claimed in claim 1, wherein: The make-up air valve is an electromagnetic valve, and the feeding control valve is an electric butterfly valve.