Airflow feeder

Abstract

The utility model discloses an airflow feeder which comprises a fan, an air outlet of the fan is communicated with a feeding pipe, one end, close to the air outlet, of the feeding pipe is communicated with a feeding hopper, a material stirring and discharging assembly is arranged in a material discharging pipe of the feeding hopper, one side of the material discharging pipe is communicated with a material blowing assembly, and the other side of the material blowing assembly is communicated with an air outlet of the fan. The air inlet end of the blowing assembly communicates with a feeding pipe, and the output end of the feeding pipe communicates with a discharging bin. Air flow is conveyed into the feeding pipe through the draught fan, plastic fragment materials are discharged into the feeding pipe through the feeding hopper, the air flow generated by the draught fan can drive plastic fragments to be conveyed to the discharging bin above the feeding pipe along the feeding pipe, and meanwhile the material stirring and discharging assembly is arranged in the discharging pipe of the feeding hopper. According to the feeding device, materials in the feeding hopper can be pushed and conveyed to the discharging pipe, air is blown to the output end of the discharging pipe through the blowing assembly, air flow can be prevented from rotating in the discharging pipe, meanwhile, plastic sheets are blown out in an auxiliary mode, material blocking is prevented, and smooth conveying is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeder technology field especially relates to an airflow feeder. BACKGROUND

[0002] In the cleaning and recycling production line of disposable plastic infusion bottles, the plastic infusion bottle fragments after crushing need to be cleaned and winnowed, and then the plastic fragments are transported to the subsequent processing equipment through the airflow feeder. The prior art with the patent number CN210365968U discloses a blowing feeding structure, which comprises a feeding pipe, an air inlet pipe, and a fan in communication with the air inlet pipe. A conical hopper is arranged above the air outlet of the air inlet pipe and penetrates the pipe wall of the lower section pipe. The air outlet of the air inlet pipe is bullet-shaped. The air outlet is shaped like a bullet, so that the wind force is more concentrated and the wind speed is faster. However, after the airflow is accelerated, the airflow may rotate inside the discharge end of the conical hopper, causing the plastic fragments to be blocked in the discharge end and unable to be normally transported forward. SUMMARY

[0003] The utility model aims at at least solving one of the above-mentioned technical problems, providing an airflow feeder which can prevent plastic fragment materials from being blocked and ensure smooth transportation.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] An airflow feeder comprises a fan, a feeding pipe connected to the air outlet of the fan, an inlet hopper connected to one end of the feeding pipe close to the air outlet, a stirring and discharging assembly arranged in the discharge pipe of the inlet hopper, a blowing assembly connected to one side of the discharge pipe, an air inlet end of the blowing assembly connected to the feeding pipe, and an outlet bin connected to the output end of the feeding pipe.

[0006] As an improvement of the above-mentioned technical scheme, the blowing assembly comprises an air bellow arranged on one side of the discharge pipe, an air inlet end of the air bellow connected to the feeding pipe through an air inlet pipe, and a plurality of air outlets arranged on the pipe wall of the discharge pipe and connected to the air bellow.

[0007] As an improvement of the above-mentioned technical scheme, all the air outlets are arranged downwardly inclined to one side from the outer wall to the inner wall of the discharge pipe.

[0008] As an improvement of the above-mentioned technical scheme, the discharge pipe comprises a vertical stirring section and an inclined guide section, and the stirring and discharging assembly is arranged in the vertical stirring section.

[0009] As an improvement of the above-mentioned technical scheme, the stirring and discharging assembly comprises a rotating shaft, the rotating shaft is rotatably installed in the vertical stirring section, a plurality of stirring plates are arranged on the outer periphery of the rotating shaft, and a driving motor is arranged on the outside of the discharge pipe and connected to one end of the rotating shaft.

[0010] As the improvement of the above technical scheme, a trumpet air outlet is communicated with one end of the feeding pipe inside and close to the air outlet.

[0011] As the improvement of the above technical scheme, an air outlet is arranged on the top of the discharging bin, and a filter screen is arranged on the air outlet.

[0012] As the improvement of the above technical scheme, a feeding port is arranged on the discharging bin and communicated with the discharging end of the feeding pipe, and an anti-reflux assembly is arranged inside the discharging bin and at a position below the feeding port.

[0013] As the improvement of the above technical scheme, the anti-reflux assembly comprises a feeding port baffle hinged inside the discharging bin and at a position below the feeding port, and a limiting plate is arranged inside the discharging bin and at a position below the hinged end of the feeding port baffle.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] The air flow generated by the fan can drive the plastic fragments to be conveyed along the feeding pipe to the upper discharging bin, meanwhile, the discharging pipe of the feeding hopper is provided with a material stirring and discharging assembly, which can stir and discharge the material in the feeding hopper to the discharging pipe, and blow air to the output end of the discharging pipe through the blowing assembly, so as to prevent the air flow from rotating inside the discharging pipe, and assist in blowing out the plastic pieces, prevent the material from being blocked, and ensure smooth conveying. BRIEF DESCRIPTION OF DRAWINGS

[0016] The specific embodiments of the utility model will be further and specifically explained in combination with the drawings, in which:

[0017] Figure 1 is a structural schematic view of the embodiment of the utility model;

[0018] Figure 2 is a partial internal structure schematic view of the embodiment of the utility model Figure One .

[0019] Figure 3 is Figure 2 the enlarged view of part A in the utility model;

[0020] Figure 4 is a partial internal structure schematic view of the embodiment of the utility model Figure Two . DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0022] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "disposed in the middle", it is not only disposed in the middle position, but also disposed in the range defined by the two ends. The terms "vertical", "horizontal", "left", "right", and similar terms used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] As Figures 1 to 4 The utility model provides a kind of airflow feeder, including fan 100, the air outlet of the fan 100 is communicated with feeding pipe 200, the feeding pipe 200 is communicated with feed hopper 300 on one end close to air outlet, the discharge pipe 310 of the feed hopper 300 is equipped with the stirring and discharging component 320, the side of the discharge pipe 310 is communicated with blowing component 330, the air inlet end of the blowing component 330 is communicated feeding pipe 200, the output end of the feeding pipe 200 is communicated with discharge bin 400. Among them, the device is used to send the plastic fragments from low place to high place, so the feeding pipe 200 includes lower end feeding section, upwardly arranged feeding section and upper end discharge section. The inside of the feeding pipe 200 and the one end close to air outlet are communicated with horn air outlet 210, the one end close to air outlet of the horn air outlet 210 is large, the other end is small, i.e. airflow is discharged from small, can make airflow accelerate, enhance feeding effect.

[0025] Referring to Figure 2 And Figure 3In the detailed description of the present application, the blowing assembly 330 includes a bellows 331 arranged on one side of the discharge pipe 310, the air inlet end of the bellows 331 is communicated with the feeding pipe 200 through an air inlet pipe 332, and a plurality of air outlets 311 of the bellows 331 are arranged on the wall of the discharge pipe 310. Among them, part of the airflow generated by the fan 100 will enter the bellows 331 through the air inlet pipe 332, and then blow to the inside of the discharge pipe 310 through the air outlet 311, so as to blow the material to the discharge port. Of course, the bellows 331 can also be arranged around the outer periphery of the discharge pipe 310, and air is supplied from the outer periphery to the inside of the discharge pipe 310. Specifically, all the air outlets 311 are arranged downwardly inclined from the outer wall to the inner wall of the discharge pipe 310, that is, the air direction is ensured to be toward the discharge port.

[0026] Further, the discharge pipe 310 includes a vertical stirring section 312 and an inclined guide section 313, the stirring and discharging assembly 320 is arranged in the vertical stirring section 312, and the inclined guide section 313 is inclined to the airflow direction of the feeding pipe 200, so that the plastic fragments can slide out toward the airflow direction, and the inclined outer wall of the inclined guide section 313 can also prevent part of the airflow from entering the discharge pipe 310. Specifically, the stirring and discharging assembly 320 includes a rotating shaft 321 rotatably arranged in the vertical stirring section 312, a plurality of stirring plates 322 are arranged on the outer periphery of the rotating shaft 321, and a drive motor (not shown in the figure) is arranged on the outside of the discharge pipe 310 to drive one end of the rotating shaft 321. In the present application, the bellows 331 is arranged on the left side of the discharge pipe 310, and the rotating direction of the rotating shaft 321 can be counterclockwise rotation, at this time, the air sent by the air outlet 311 is the same as the rotating direction of the rotating shaft 321, which can simultaneously act on the downward conveying of the material. The speed of discharging can also be adjusted by controlling the rotating speed of the motor to avoid material accumulation.

[0027] Referring to Figure 4In the detailed description of the present application, the top of the discharge bin 400 is provided with an air outlet 410, and the air outlet 410 is provided with a filter screen 411. The filter screen 411 can intercept plastic fragments to prevent plastic fragments from being blown out of the air outlet 410. Further, the discharge bin 400 is provided with a feed inlet 420 communicating with the discharge end of the feeding pipe 200, and the discharge bin 400 is provided with an anti-backflow assembly 430 inside and below the feed inlet 420 to prevent backflow from the feed inlet 420 when the discharge bin 400 is full of plastic fragments. Specifically, the anti-backflow assembly 430 includes a feed inlet baffle 431 hinged inside the discharge bin 400 and below the feed inlet 420, and a limiting plate 432 is arranged inside the discharge bin 400 and below the hinged end of the feed inlet baffle 431. The limiting plate 432 is used to limit the rotation position of the feed inlet baffle 431 to ensure that the feed inlet baffle 431 is in a horizontal position in a normal state. When the height of the plastic fragments in the discharge bin 400 exceeds the horizontal position of the feed inlet baffle 431, the plastic fragments will push the feed inlet baffle 431 to rotate upward and block the feed inlet 420 to prevent the plastic fragments from backflowing from the feed inlet 420.

[0028] The air flow feeder of the utility model, through fan 100 to the feeding pipe 200 inside delivery air flow, and through feed hopper 300 to the feeding pipe 200 inside unloading plastic fragment material, fan 100 produces the air flow can drive plastic fragment along feeding pipe 200 to the discharge bin 400 of upper side and transports, simultaneously, the discharge pipe 310 of feed hopper 300 is equipped with the material stirring unloading assembly 320 in, can the material in feed hopper 300 to discharge pipe 310 and send, and through blowing assembly 330 to the output end of discharge pipe 310 and blow, can prevent air flow in discharge pipe 310 inside and turn round, simultaneously, auxiliary blows plastic sheet, prevents material blockage, ensures the transportation smoothly.

[0029] The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the scope of the technical solutions of the utility model.

Claims

1. A pneumatic feeder, characterized by The application relates to a feeding device, which comprises a fan, a feeding pipe communicated with the air outlet of the fan, a feeding hopper communicated with one end of the feeding pipe close to the air outlet, a stirring and discharging assembly arranged in the discharging pipe of the feeding hopper, a blowing assembly communicated with one side of the discharging pipe, an air inlet end of the blowing assembly communicated with the feeding pipe, and a discharging bin communicated with the output end of the feeding pipe.

2. A pneumatic feeder according to claim 1, wherein The blowing assembly comprises a bellows arranged on one side of the discharging pipe, and the air inlet end of the bellows is communicated with the feeding pipe through an air inlet pipe.

3. A pneumatic feeder according to claim 2, wherein All the air outlets are arranged on one side of the outer wall of the discharging pipe and downwardly inclined to the inner wall.

4. A pneumatic feeder according to claim 1, wherein The discharging pipe comprises a vertical stirring section and an inclined guiding section, and the stirring and discharging assembly is arranged in the vertical stirring section.

5. A pneumatic feeder according to claim 4, wherein The stirring and discharging assembly comprises a rotating shaft rotatably arranged in the vertical stirring section, a plurality of stirring plates arranged on the outer periphery of the rotating shaft, and a driving motor arranged on the outer part of the discharging pipe and connected with one end of the rotating shaft.

6. A pneumatic feeder according to claim 1, wherein The feeding pipe is internally communicated with a horn-shaped air outlet close to one end of the air outlet.

7. A pneumatic feeder according to claim 1, wherein The top of the discharging bin is provided with an air outlet, and the air outlet is provided with a filter screen.

8. A pneumatic feeder according to claim 1, wherein The discharging bin is provided with a feeding port communicated with the discharging end of the feeding pipe, and an anti-reflux assembly is arranged in the discharging bin and located below the feeding port.

9. A pneumatic feeder according to claim 8, wherein The anti-reflux assembly comprises a feeding port baffle hinged in the discharging bin and located below the feeding port, and a limiting plate arranged in the discharging bin and located below the hinged end of the feeding port baffle.

Images