CN211389716U - A reducing mechanism for foamed plastic retrieves - Google Patents

Abstract

The utility model belongs to the technical field of foam plastic recycling equipment, and discloses a crushing device for foam plastic recycling, comprising a crushing bin, a tearing bin, a discharging bin, an ash collecting bin and a storage bin. The feeding hopper and the ion fan are connected, the tearing bin is provided with a tearing component, the bottom of the tearing bin is provided with a discharge port, the top of the crushing bin is provided with a feeding port, and the bottom is provided with a discharging port. The feeding port is connected with the feeding port of the crushing bin. The crushing bin is equipped with a crushing component. The feeding port of the discharging bin is connected to the discharging port of the grinding bin. The bottom of the discharging bin is a sieve plate, and one side of the discharging bin is There is a pusher assembly, and a discharge port is provided on the side opposite to the pusher assembly on the discharge bin, the discharge port of the discharge bin is connected to the storage bin through a baffle, and the bottom of the discharge bin is connected to the ash collection bin The lower part of the ash collecting bin is provided with an ash outlet, the upper part of the ash collecting bin is connected with an air extraction device, and the lower part of the storage bin is provided with a material outlet. The crushing device has high crushing efficiency and can perform preliminary impurity removal.

Description

A crushing device for foam plastic recycling

technical field

The utility model belongs to the technical field of foam plastic recycling equipment, in particular to a crushing device for foam plastic recycling.

Background technique

Foamed plastics are a class of polymer materials formed by dispersing a large number of gas micropores in solid plastics. It has the characteristics of light weight, heat insulation, sound absorption, shock absorption, etc. Due to the good properties of foam plastics, a large number of foam plastics are produced and applied to the market. Items are damaged during transportation. However, if the used foam is discarded casually, it will cause environmental pollution and waste of resources. Recycling foam can reduce environmental pollution and save production costs for enterprises. .

The recycled foam needs to be pulverized first, and then the subsequent steps such as impurity removal are carried out. Because the foam itself is deformable, when it is cut and pulverized with a conventional blade, it is easy to be squeezed and deformed and blocked. Causes low crushing efficiency. In addition, because the foamed plastic is easily charged and adsorbed on the wall of the crushing cavity during the crushing process, the discharge of the crushed material is affected.

Utility model content

In view of the above-mentioned situation, the purpose of this utility model is to provide a pulverizing device for the recovery of foamed plastics. Through reasonable structural settings, the pulverized foamed plastics can be smoothly discharged from the pulverizing device, and preliminary impurity removal can be performed, and the pulverizing efficiency is high. .

To achieve the above object, the utility model adopts the following technical solutions:

A pulverizing device for recycling foamed plastics, comprising a pulverizing bin, a tearing bin, a discharging bin, an ash collecting bin and a storage bin, wherein the top of the tearing bin is respectively provided with a feeding hopper and an ion fan communicated with it, The tearing bin is provided with a tearing component, the bottom of the tearing bin is provided with a discharge port, the top of the pulverizing bin is provided with a feeding port, and the bottom is provided with a discharging port, and the discharging port of the tearing bin is provided. The port is connected with the feeding port of the pulverizing bin, and the pulverizing bin is provided with a pulverizing component, the feeding port of the discharging bin is connected with the discharging port of the pulverizing bin, and the bottom of the discharging bin is a sieve plate , one side of the discharge bin is provided with a pushing component, and the side opposite to the pushing component is provided with a discharge port, and the discharge port of the discharge bin is connected to the storage material through a baffle plate. The silo is connected, the bottom of the discharge silo is connected with the ash collection silo, the lower part of the ash collection silo is provided with an ash outlet, the upper part of the ash collection silo is connected with an air extraction device, and the lower part of the storage silo is provided with a discharge mouth.

Preferably, two ion fans are provided, and they are located on both sides of the feeding hopper respectively, and the air outlet of the ion fan is communicated with the tearing bin. The ion blower adopts the conventional setting of the prior art, and the ion blower is used in conjunction with the air extraction device, which can eliminate static electricity of the pulverized foam plastic, which is more conducive to the discharge of materials, and at the same time, the foam plastic can be preliminarily dedusted.

Preferably, the tearing assembly comprises tearing hook teeth, two horizontal and parallel first rollers and a first driving device, the tearing hook teeth are distributed along the circumference of the roller surfaces of the two first rollers, and The hook of the tearing hook tooth is a free end, the tearing hook tooth fills the gap between the two first rollers, the two first rollers and the side wall of the tearing bin, and the first driving device includes A first drive motor connected to the rotating shafts of the two first rollers. The first drive motor drives the two first rollers to rotate in opposite directions, preferably between the two first rollers, the tearing hook teeth can tear the foam plastic, and tear the foam plastic into small pieces and then carry out knife powder. , it is not easy to block into the slit or between the rollers, which helps to improve the crushing efficiency.

Preferably, the pulverizing assembly includes a first pulverizing blade, a second pulverizing blade, two horizontal and parallel second rollers and a second driving device, and the first pulverizing blade is along the circumference of the roller surfaces of the two second rollers The second pulverizing blade is distributed on the side wall of the pulverizing chamber parallel to the second roller, and the edges of the first pulverizing blade and the second pulverizing blade are free ends, the first pulverizing blade and the second pulverizing blade are free ends. The two pulverizing blades fill the gaps between the two second rollers, the two second rollers and the side wall of the pulverizing bin, and the second driving device includes a second driving motor respectively connected with the rotating shafts of the two second rollers . The second driving motor drives the two second rollers to rotate, preferably the two second rollers rotate in opposite directions and face between the two rollers, and the torn foam plastic is crushed under the action of the blade.

In the utility model, the aperture of the sieve plate is smaller than the particle size of the foamed plastic after crushing. The impurities in the foamed plastic after crushing can be dropped into the ash collection bin by the sieve plate.

Preferably, the pusher assembly includes a cylinder and a push plate, the cylinder is located outside one side wall of the discharge bin, and the free end of the piston rod extends into the discharge bin and is sealed at the intersection, and the push plate is located at the outer side of the discharge bin. In the discharge bin, the push plate is vertically connected to the free end of the piston rod, and the size of the push plate matches the parallel side wall of the discharge bin. The pulverized material is pushed into the storage bin under the action of the pusher component.

In the utility model, the setting of the baffle plate can smoothly push the material to the storage bin, and at the same time, it can avoid the material being drawn back under the action of the air extraction device, so as to realize the function of a one-way valve. Preferably, the baffle cover is provided on the discharge port of the discharge bin, the top of the baffle is hinged to the top of the discharge port, and the bottom of the baffle is lower than the discharge port of the discharge bin.

Preferably, the air extraction device includes an air extraction fan, and a filter screen is provided at the connection between the air extraction device and the ash collecting bin. The filter can be replaced as needed.

The utility model also includes other components that can make the pulverizing device used for the recovery of foamed plastics to be used normally, all of which are conventional choices in the field, such as the discharge port of the storage bin, the ash discharge port, and the discharge port of the pulverizing bin. Valves are provided, the first roller and the second roller are fixed by a fixed seat, and the first drive motor, the second drive motor, the air cylinder, and the air extraction device are all arranged on the bracket. In addition, the devices or components not limited in the present invention all adopt conventional means in the field, for example, the structure and control of the first drive motor and the second drive motor, the opening and closing control of each valve, the structure of the cylinder, etc. All are conventional settings in the prior art.

The working principle of the pulverizing device for the recovery of foamed plastics of the present invention includes: the foamed plastics enter the tearing bin from the feeding hopper, turn on the ion blower, the first driving device, the second driving device and the air extraction device, and the foamed plastics are sequentially removed. Shred, cut, and the crushed foam enters the discharge bin. When the crushed foam is close to the height of the push plate, close the valve at the discharge port of the crush bin, start the push component, and push the crushed foam to the storage. After the pusher component is returned to its position, the valve at the outlet of the crushing bin is opened, and the crushed foam continues to fall into the discharging bin. .

The pulverizing device used for the recycling of foamed plastics of the utility model is designed according to the actual needs of the recycling of foamed plastics and the characteristics of the foamed plastics, has high pulverization efficiency, can carry out preliminary impurity removal at the same time, and can eliminate static electricity by arranging a centrifugal fan to avoid Adsorption of materials on tearing bin, crushing bin and discharging bin.

Description of drawings

FIG. 1 is a schematic structural diagram of a pulverizing device for recycling foamed plastics according to an embodiment.

FIG. 2 is a B-B view of the tearing cartridge of FIG. 1 .

FIG. 3 is an A-A view of the crushing bin of FIG. 1 .

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

Example

As shown in Figures 1-3, a crushing device for foam plastic recycling includes crushing bin 2, tearing bin 1, discharging bin 3, ash collecting bin 4 and storage bin 5. The tearing bin 1 The top is respectively provided with a feeding hopper 6 and an ion fan 7 which are communicated with it, a tearing assembly is provided in the tearing bin 1, a discharge port is provided at the bottom of the tearing bin 1, and the top of the pulverizing bin 2 is provided with The feeding port and the bottom are provided with a discharging port. The discharging port of the tearing bin 1 is connected with the feeding port of the crushing bin 2. The crushing bin 2 is provided with a crushing component. The material port is connected with the discharge port of the pulverizing bin 2, and the bottom of the discharging bin 3 is a sieve plate, and the aperture of the sieve plate is smaller than the particle size of the foamed plastic after pulverization. A pusher assembly is provided, and a discharge port is provided on the side opposite to the pusher assembly on the discharge bin 3. The discharge port of the discharge bin 3 is connected to the storage bin 5 through a baffle 8. The The bottom of the discharge bin 3 is connected with the ash collecting bin 4, the lower part of the ash collecting bin 4 is provided with an ash outlet 9, the upper part of the ash collecting bin 4 is connected with an air extraction device 10, and the lower part of the storage bin 5 is provided with Outlet 11.

Two ion fans 7 are provided, and they are located on both sides of the feeding hopper 6 respectively, and the air outlet of the ion fan 7 is communicated with the tearing bin 1 .

The tearing assembly includes tearing hook teeth 12 , two horizontal and parallel first rollers 13 and a first driving device, the tearing hook teeth 12 are distributed along the circumference of the roller surfaces of the two first rollers 13 , And the hook of the tearing hook tooth 12 is a free end, and the tearing hook tooth 12 fills the gap between the two first rollers 13, the two first rollers 13 and the side wall of the tearing bin 1, and the first A driving device includes first driving motors 14 respectively connected with the rotating shafts of the two first rollers 13 .

The pulverizing assembly includes a first pulverizing blade 15 , a second pulverizing blade 16 , two horizontal and parallel second rollers 17 and a second driving device. Distributed circumferentially, the second pulverizing blade 16 is distributed on the side wall of the pulverizing chamber 2 parallel to the second roller 17, and the edges of the first pulverizing blade 15 and the second pulverizing blade 16 are free ends, so The first crushing blade 15 and the second crushing blade 16 fill the gaps between the two second rollers 17, the two second rollers 17 and the side wall of the crushing bin 2, and the second driving device includes two The second drive motor 18 is connected to the rotating shaft of the second roller 17 .

The pusher assembly includes a cylinder 19 and a push plate 20. The cylinder 19 is located outside one side wall of the discharge bin 3, and the free end of the piston rod extends into the discharge bin 3 and is sealed at the intersection. The plate 20 is located in the discharge bin 3, the push plate 20 is vertically connected to the free end of the piston rod, and the size of the push plate 20 matches the side wall of the discharge bin 3 parallel to it.

The baffle 8 is covered on the discharge port of the discharge bin 3 , the top of the baffle 8 is hinged to the top of the discharge port, and the bottom of the baffle 8 is lower than the discharge port of the discharge bin 3 .

The air extraction device 10 includes an extraction fan, and a filter screen 21 is provided at the connection between the air extraction device 10 and the ash collecting bin 4 .

The working principle of the pulverizing device for the recovery of foamed plastics includes: the foamed plastics enter the tearing bin 1 from the feeding hopper 6, turn on the ion fan 7, the first driving device, the second driving device and the air extraction device 10, and the foamed plastics turn on in sequence. After being shredded and cut, the crushed foam enters the discharge bin 3. When the crushed foam is close to the height of the push plate 20, close the valve at the discharge port of the crush bin 2, start the push component, and remove the crushed foam. Push it to the storage bin 5. After the pusher assembly is returned to its position, open the valve at the outlet of the crushing bin 2, and the crushed foam continues to fall into the discharging bin 3. The ash collecting bin 4 discharges ash regularly as needed. , the storage bin 5 discharges materials as needed.

The pulverizing device for foam plastic recycling has high pulverizing efficiency, and at the same time, it can carry out preliminary impurity removal, and by setting centrifugal fan 7, static electricity can be eliminated, and materials can be avoided from tearing bin 1, pulverizing bin 2 and discharging bin 3. adsorption.

Embodiments of the present invention have been described above, and the foregoing description is exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims (8)

1. A reducing mechanism for foam recovery, includes crushing storehouse, its characterized in that: the device comprises a tearing bin, a discharging bin, an ash collecting bin and a storage bin, wherein the top of the tearing bin is respectively provided with a feeding hopper and an ion fan which are communicated with the tearing bin, a tearing assembly is arranged in the tearing bin, the bottom of the tearing bin is provided with a discharging port, the top of the crushing bin is provided with a feeding port, the bottom of the crushing bin is provided with a discharging port, the discharging port of the tearing bin is connected with the feeding port of the crushing bin, a crushing assembly is arranged in the crushing bin, the feeding port of the discharging bin is connected with the discharging port of the crushing bin, the bottom of the discharging bin is a sieve plate, one side of the discharging bin is provided with a material pushing assembly, one side of the discharging bin, which is opposite to the material pushing assembly, is provided with a discharging port, the discharging port of the discharging bin is connected with the storage bin through a baffle plate, the bottom of the, the lower part of the storage bin is provided with a discharge hole.

2. The pulverizing apparatus for foam recycling according to claim 1, wherein: the ion blower is provided with two, and is located the both sides of feeder hopper respectively, the air outlet of ion blower is linked together with tearing the storehouse.

3. The pulverizing apparatus for foam recycling according to claim 1, wherein: tear the subassembly including tearing gullet tooth, two levels and parallel arrangement's first roller and first drive arrangement, tear the gullet tooth and distribute along the roll surface circumference of two first rollers, and the hook of tearing the gullet tooth is the free end, tear the gullet tooth and cover two first rollers, two first rollers and tear the gap between the storehouse lateral wall, first drive arrangement is including the first driving motor who is connected with the pivot of two first rollers respectively.

4. The pulverizing apparatus for foam recycling according to claim 1, wherein: crushing unit includes first crushing blade, second crushing blade, two levels and parallel arrangement's second roller and second drive arrangement, first crushing blade distributes along the roll surface circumference of two second rollers, the second crushing blade distributes on the crushing storehouse lateral wall parallel with the second roller, just the cutting part of first crushing blade and second crushing blade is the free end, first crushing blade and second crushing blade are covered with two second rollers, two second rollers and the gap between the crushing storehouse lateral wall, second drive arrangement is including the second driving motor that is connected with the pivot of two second rollers respectively.

5. The pulverizing apparatus for foam recycling according to claim 1, wherein: the aperture of the sieve plate is smaller than the particle size of the crushed foam plastic.

6. The pulverizing apparatus for foam recycling according to claim 1, wherein: the material pushing assembly comprises a cylinder and a push plate, the cylinder is located on the outer side of one side wall of the material discharging bin, the free end of a piston rod of the cylinder extends into the material discharging bin and is connected with the free end of the piston rod in a sealing mode, the push plate is located in the material discharging bin, the push plate is connected to the free end of the piston rod perpendicularly, and the size of the push plate is matched with the side wall of the material discharging bin parallel to the push plate.

7. The pulverizing apparatus for foam recycling according to claim 1, wherein: the baffle plate cover is arranged on the discharge hole of the discharge bin, the top of the baffle plate is hinged to the top end of the discharge hole, and the bottom of the baffle plate is lower than the discharge hole of the discharge bin.

8. The pulverizing apparatus for foam recycling according to claim 1, wherein: the air exhaust device comprises an exhaust fan, and a filter screen is arranged at the joint of the air exhaust device and the ash collection bin.

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