Waste plastic hot melting equipment with pretreatment structure

Abstract

The utility model discloses waste plastic hot melting equipment with a pretreatment structure, which comprises a supporting seat, a pretreatment box is fixedly mounted at the top of the supporting seat, two crushing rollers with a drive are mounted in the pretreatment box, a filtering and dust removing mechanism is mounted in the pretreatment box, and a dust removing mechanism is mounted in the pretreatment box. A cleaning cavity is formed in the bottom of the pretreatment box, and a conveying mechanism is installed on the pretreatment box. Plastic crushing is achieved through the crushing rollers in the pretreatment box, dust removal and preliminary cleaning are conducted through the filtering and dust removing mechanism, then cleaning is conducted through the cleaning cavity, continuous cleaning and conveying are conducted through the conveying mechanism, and finally the plastic enters the hot melting box body to be machined, so that the device has the advantages of being high in equipment integration degree, more compact, more environmentally friendly and the like. The difficulty of combination and disassembly is reduced, the length of a production line is reduced, the production efficiency of equipment is improved, the occupied area of the equipment is reduced, and the cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of waste plastic recycling and processing, and more specifically to waste plastic hot-melting equipment with a pre-processing structure. Background Art

[0002] As the consumption of plastic products continues to increase, the amount of waste plastics is also increasing. my country's waste plastics mainly include plastic films, plastic threads and woven products, foam plastics, plastic packaging boxes and containers, daily plastic products, plastic bags and agricultural mulch films, etc. Among them, polyvinyl chloride plastics are polymerized from vinyl chloride monomers and are one of the commonly used thermoplastics. Waste plastics is a popular term and does not refer to waste, old and useless plastic products. For most plastic products, especially a large number of disposable ones, the properties of the plastic materials themselves have not changed much after use. Therefore, it is entirely possible to recycle them and reprocess them into plastic products using appropriate methods for reuse, which requires hot melt treatment.

[0003] However, in the prior art, recycled plastics need to be crushed and cleaned before entering the hot melt equipment for pre-treatment, and the processed plastic fragments will be input into the hot melt equipment for smelting treatment. The current treatment method is to use a combination of multiple equipment and process them through multiple steps. This type of design has many equipment, complicated combined loading and unloading operations, long production lines, and a large footprint, which increases the overall equipment use and construction costs. In addition, the multiple process separation operations have low recycling production efficiency, which is not conducive to improving production efficiency and is difficult to meet the increasing demand for recycling volume. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a waste plastic hot melt equipment with a pretreatment structure, which has a high degree of integration, reduces the difficulty of assembly and disassembly, reduces the length of the production line, and improves production efficiency.

[0005] To achieve the above purpose, the utility model adopts the following technical solution.

[0006] A waste plastic hot-melt device with a pretreatment structure comprises a support seat, a pretreatment box is fixedly installed on the top of the support seat, two driven crushing rollers are installed inside the pretreatment box, a filtering and dust removal mechanism is installed inside the pretreatment box, a cleaning chamber is provided at the bottom of the pretreatment box, a conveying mechanism is installed on the pretreatment box, a circulation groove connected to the cleaning chamber is fixedly connected to the right side of the pretreatment box, a first filter mesh plate is fixedly connected to the top of the circulation groove, the first filter mesh plate is located below the conveying mechanism, a conveying mesh belt is installed on the right side of the circulation groove, and a hot-melt box body is installed at the bottom of the right end of the conveying mesh belt.

[0007] As a further description of the above scheme: the filtering and dust removal mechanism includes a second filter screen, an adsorption cover, a connecting hose, a spring, a fan and an industrial dust collector, one side of the second filter screen is hinged to the interior of the pretreatment box, the adsorption cover is fixedly connected to the bottom of the second filter screen, one end of the connecting hose is fixedly connected to the adsorption cover, the other end of the connecting hose passes through the outside of the pretreatment box and is connected and fixed to the input end of the fan, the fan is fixedly installed to the outside of the pretreatment box, the output end of the fan is connected and fixed to the industrial dust collector, one side of the industrial dust collector is fixedly connected to the outside of the pretreatment box, and the bottom of the adsorption cover is elastically connected to the inner wall of the pretreatment box through a spring.

[0008] As a further description of the above scheme: the conveying mechanism includes an inclined pipe, a driving motor and a conveying auger, one end of the inclined pipe is plugged into the interior of the pretreatment box and extends to the interior of the cleaning chamber, the driving motor is fixedly installed to the interior of the pretreatment box through a connecting frame, the output end of the driving motor is fixedly connected to the conveying auger through a coupling, the other end of the conveying auger is plugged into the interior of the inclined pipe and rotated therewith, and a discharge port is opened below one end of the inclined pipe close to the driving motor.

[0009] As a further description of the above solution: an inclined guide plate is fixedly connected to the interior of the pretreatment box, and the inclined guide plate is located above the inclined pipeline.

[0010] As a further description of the above scheme: one end of the conveying auger located inside the cleaning chamber is fixedly connected to an extension rod, and the other end of the extension rod extends to the outside of the inclined pipe and is fixedly connected to a plurality of stirring rods.

[0011] As a further description of the above solution: the front view cross section of the first filter screen plate is inclined.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] This solution achieves plastic crushing through the crushing roller inside the pretreatment box, and performs preliminary cleaning through the filtering and dust removal mechanism, then passes through the cleaning chamber for cleaning, and is continuously cleaned and conveyed through the conveying mechanism, and finally enters the hot melt box body for processing, thereby achieving the advantages of a high degree of equipment integration, being more compact, reducing the difficulty of assembly and disassembly, reducing the length of the production line, increasing the equipment production efficiency, reducing the equipment footprint, and lowering the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 for Figure 1A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1. Support seat; 2. Pretreatment box; 21. Inclined guide plate; 3. Crushing roller; 4. Filtering and dust removal mechanism; 41. Second filter screen; 42. Adsorption cover; 43. Hose; 44. Spring; 45. Fan; 46. Industrial dust collector; 5. Cleaning chamber; 6. Conveying mechanism; 61. Inclined pipeline; 611. Discharge port; 62. Driving motor; 63. Conveying auger; 631. Extension rod; 632. Stirring rod; 7. Circulation trough; 8. First filter screen; 9. Conveying mesh belt; 10. Hot melt box body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figures 1 to 4 In the utility model, the waste plastic hot-melt equipment with a pretreatment structure includes a support base 1, a pretreatment box 2 is fixedly installed on the top of the support base 1, two driven crushing rollers 3 are installed inside the pretreatment box 2, a filtering and dust removal mechanism 4 is installed inside the pretreatment box 2, a cleaning chamber 5 is arranged at the bottom of the pretreatment box 2, a conveying mechanism 6 is installed on the pretreatment box 2, a circulation groove 7 connected to the cleaning chamber 5 is fixedly connected to the right side of the pretreatment box 2, a first filter screen plate 8 is fixedly connected to the top of the circulation groove 7, and the first filter screen plate 8 is located below the conveying mechanism 6, a conveying mesh belt 9 is installed on the right side of the circulation groove 7, and a hot-melt box body 10 is installed at the bottom of the right end of the conveying mesh belt 9.

[0022] In the utility model, the support seat 1 is used as a device support. First, the waste plastic is put into the pretreatment box 2 from the top, and the two belt-driven crushing rollers 3 are started to rotate to crush the waste plastic, and the crushed plastic fragments fall downward into the filtering dust removal mechanism 4 for filtration, wherein the floating dust is adsorbed and cleaned by the filtering dust removal mechanism 4, and the preliminarily cleaned fragments continue to fall and enter the cleaning chamber 5, and then the conveying mechanism 6 is started to operate, and the conveying mechanism 6 extracts the cleaning liquid of the mixed plastic fragments and conveys it to the first filter screen plate 8. The inclined first filter screen plate 8 guides the cleaned fragments to fall onto the conveying mesh belt 9, and the cleaning liquid flushes and flows into the circulation tank 7 to continue to circulate, so as to continuously clean and Circular conveying, and the conveyor belt 9 conveys the cleaned plastic fragments to the top of the hot melt box body 10 and falls into the interior through the entrance for hot melt processing, thereby realizing the device with a high degree of equipment integration, more compact, reduced difficulty in assembly and disassembly, reduced production line length, increased equipment production efficiency, and reduced equipment footprint, lower cost advantages, solves the problem that the processing method in the prior art is to use a combination of multiple equipment and process through multiple processes. This type of design has many equipment, complicated combined loading and unloading operations, lengthy production lines, large floor space, increased overall equipment use and construction costs, and multiple process separation operations, and low recycling production efficiency, which is not conducive to improving production efficiency and is difficult to meet the increasing demand for recycling volume.

[0023] See also Figure 1 and Figure 2 , wherein: the filtering and dust removal mechanism 4 includes a second filter screen plate 41, an adsorption cover 42, a connecting hose 43, a spring 44, a fan 45 and an industrial dust collector 46, one side of the second filter screen plate 41 is hinged to the inside of the pretreatment box 2, the adsorption cover 42 is fixedly connected to the bottom of the second filter screen plate 41, one end of the connecting hose 43 is fixedly connected to the adsorption cover 42, the other end of the connecting hose 43 passes through the outside of the pretreatment box 2 and is connected and fixed with the input end of the fan 45, the fan 45 is fixedly installed to the outside of the pretreatment box 2, the output end of the fan 45 is connected and fixed with the industrial dust collector 46, one side of the industrial dust collector 46 is fixedly connected to the outside of the pretreatment box 2, and the bottom of the adsorption cover 42 is elastically connected to the inner wall of the pretreatment box 2 through the spring 44.

[0024] In the utility model, by starting the fan 45, a negative pressure is formed by adsorption between the adsorption cover 42 and the second filter screen 41 through the connecting hose 43. The second filter screen 41 filters and guides large plastic fragments to make them fall downward, and the dust is adsorbed and input into the interior of the industrial dust collector 46 for cleaning and filtration. In the process of adsorption, since the second filter screen 41 is hinged and supported by the spring 44, as the fragments fall and cooperate with the adsorption force, the second filter screen 41 will swing back and forth to achieve efficient material guiding, avoid the accumulation of plastic fragments and ensure smooth material discharge.

[0025] See also Figure 1 and Figure 4 , wherein: the conveying mechanism 6 includes an inclined pipe 61, a driving motor 62 and a conveying auger 63, one end of the inclined pipe 61 is plugged into the interior of the pretreatment box 2 and extends to the interior of the cleaning chamber 5, the driving motor 62 is fixedly installed to the interior of the pretreatment box 2 through a connecting frame, the output end of the driving motor 62 is fixedly connected to the conveying auger 63 through a coupling, the other end of the conveying auger 63 is plugged into the interior of the inclined pipe 61 and rotates therewith, and a discharge port 611 is opened below one end of the inclined pipe 61 close to the driving motor 62.

[0026] In the utility model, the driving motor 62 is started to drive the conveying auger 63 to rotate inside the inclined pipe 61, and since the lower end of the inclined pipe 61 sinks below the liquid level of the cleaning chamber 5, and the conveying auger 63 is also submerged in the water, as the conveying auger 63 rotates, the water flow is conveyed along the inclined pipe 61, so that a negative pressure adsorption area is formed at the end of the inclined pipe 61, and the water flow of the surrounding mixed fragments is sucked in, and falls onto the first filter screen plate 8 through the discharge port 611 of the inclined pipe 61 to perform solid-liquid separation, and the cleaning liquid passes through the first filter screen plate 8 into the circulation groove 7 and re-flows into the cleaning chamber 5 to continue circulating to clean the fragments, and after cleaning, the plastic fragments are guided to fall onto the conveyor mesh belt 9, and are finally transported to the inside of the hot melt box body 10 for processing.

[0027] See also Figure 1 , wherein: an inclined guide plate 21 is fixedly connected to the interior of the pretreatment box 2 , and the inclined guide plate 21 is located above the inclined pipe 61 .

[0028] In the utility model, the filtered fallen debris is guided to the left side of the cleaning chamber 5 by the inclined guide plate 21, and the adsorption area is formed on the left side of the cleaning chamber 5 due to the adsorption of the end of the inclined pipe 61, so that the fallen debris is continuously sucked into the water, preventing the debris from floating and causing blockage.

[0029] See also Figure 2 and Figure 4, wherein: one end of the conveying auger 63 located inside the cleaning chamber 5 is fixedly connected to an extension rod 631 , and the other end of the extension rod 631 extends to the outside of the inclined pipe 61 and is fixedly connected to a plurality of stirring rods 632 .

[0030] In the utility model, the extension rod 631 cooperates with the stirring rod 632, and the conveying auger 63 rotates synchronously to stir the plastic fragments adsorbed and mixed in the cleaning liquid, so as to achieve cleaning and stirring and ensure the cleaning effect.

[0031] See also Figure 1 , wherein: the front view cross section of the first filter screen plate 8 is inclined.

[0032] In the utility model, the front view cross section of the first filter screen plate 8 is inclined, so as to smoothly guide the cleaned plastic fragments onto the conveyor screen belt 9 and ensure the conveying effect.

[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A waste plastic hot-melt device with a pre-treatment structure, comprising a support base (1), characterized in that: A pretreatment box (2) is fixedly mounted on the top of the support seat (1), two driven crushing rollers (3) are mounted inside the pretreatment box (2), a filtering and dust removal mechanism (4) is mounted inside the pretreatment box (2), a cleaning chamber (5) is arranged at the bottom of the pretreatment box (2), a conveying mechanism (6) is mounted on the pretreatment box (2), a circulation groove (7) connected to the cleaning chamber (5) is fixedly connected to the right side of the pretreatment box (2), a first filter screen plate (8) is fixedly connected to the top of the circulation groove (7), the first filter screen plate (8) is located below the conveying mechanism (6), a conveying mesh belt (9) is mounted on the right side of the circulation groove (7), and a hot melt box body (10) is mounted at the bottom of the right end of the conveying mesh belt (9).

2. The waste plastic hot-melt equipment with a pretreatment structure according to claim 1 is characterized in that: The filtering and dust removal mechanism (4) comprises a second filter screen plate (41), an adsorption cover (42), a connecting hose (43), a spring (44), a fan (45) and an industrial dust collector (46); one side of the second filter screen plate (41) is hinged to the inside of the pretreatment box (2); the adsorption cover (42) is fixedly connected to the bottom of the second filter screen plate (41); one end of the connecting hose (43) is fixedly connected to the adsorption cover (42); the other end of the connecting hose (43) passes through the outside of the pretreatment box (2) and is connected and fixed to the input end of the fan (45); the fan (45) is fixedly installed to the outside of the pretreatment box (2); the output end of the fan (45) is connected and fixed to the industrial dust collector (46); one side of the industrial dust collector (46) is fixedly connected to the outside of the pretreatment box (2); and the bottom of the adsorption cover (42) is elastically connected to the inner wall of the pretreatment box (2) via a spring (44).

3. The waste plastic hot-melt equipment with a pretreatment structure according to claim 1 is characterized in that: The conveying mechanism (6) comprises an inclined pipe (61), a drive motor (62) and a conveying auger (63); one end of the inclined pipe (61) is plugged into the interior of the pretreatment box (2) and extends into the interior of the cleaning chamber (5); the drive motor (62) is fixedly mounted to the interior of the pretreatment box (2) via a connecting frame; the output end of the drive motor (62) is fixedly connected to the conveying auger (63) via a coupling; the other end of the conveying auger (63) is plugged into the interior of the inclined pipe (61) and rotatably cooperates therewith; a discharge port (611) is provided below one end of the inclined pipe (61) close to the drive motor (62).

4. The waste plastic hot-melt equipment with a pretreatment structure according to claim 3 is characterized in that: An inclined guide plate (21) is fixedly connected to the interior of the pretreatment box (2), and the inclined guide plate (21) is located above the inclined pipeline (61).

5. The waste plastic hot-melt equipment with a pretreatment structure according to claim 3 is characterized in that: One end of the conveying auger (63) located inside the cleaning chamber (5) is fixedly connected to an extension rod (631), and the other end of the extension rod (631) extends to the outside of the inclined pipe (61) and is fixedly connected to a plurality of stirring rods (632).

6. The waste plastic hot-melt equipment with a pretreatment structure according to claim 1 is characterized in that: The front view cross section of the first filter screen plate (8) is inclined.

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