A disposable plastic product recycling device

Abstract

The present invention belongs to the technical field of plastic product recycling, and specifically relates to a disposable plastic product recycling device, comprising a storage tank, the inner cavity of which is provided with a partition plate and an extrusion plate; a slitting assembly, the slitting assembly including a push plate, the push plate being provided below the storage tank; a conveying assembly, the conveying assembly including a motor three, the output shaft of which is provided with a sub-control assembly, and the other end of the auger one is provided with an auger two; the sub-control assembly including a connecting rod, the connecting rod being slidably connected to the inner cavity of the auger one and the output shaft of the motor three; a heat circulation assembly, the heat circulation assembly including a heat conducting pipe, the heat conducting pipe being connected to a preheating pipe. The invention can perform extrusion dehydration before processing plastic products, and can also process the plastic in batches when the plastic is hot-melted, to avoid the plastic from continuously entering the hot-melt chamber and causing uneven hot-melting, and absorb the heat when the plastic is hot-melted, and use it for preheating and drying the plastic to be hot-melted, thereby effectively recovering the waste heat generated by the hot-melt of the plastic.

Description

Technical Field

[0001] The invention belongs to the technical field of plastic product recycling, and in particular relates to a disposable plastic product recycling device. Background Art

[0002] The recycling and reuse of disposable plastic products (such as EPE cushioning materials and food packaging) is a key component in alleviating "white pollution." The efficiency and quality of recycling directly impact the circular economy value of resources. However, existing recycling equipment for lightweight, porous plastics like EPE (expandable polyethylene) often suffers from issues due to material properties and residual contamination. For example, Chinese patent application CN119328946A, which describes an EPE foam waste recycling device, implements hot-melt recycling of EPE plastic waste, but still presents several challenges.

[0003] First, due to its closed-cell foam structure and the specific characteristics of its use, EPE plastic often absorbs water or organic liquids. Directly crushing wet EPE results in the formation of a "liquid film lubrication" between the blade and the material, reducing shear resistance by 40%-50%. This forces the machine to increase the speed to compensate for the cutting force, which in turn exacerbates blade wear and uneven fragment size. While the aforementioned processing equipment can treat water accumulation in EPE plastic, it can only dry the EPE plastic with hot air, and its effectiveness in treating moisture within the plastic product is limited.

[0004] Secondly, the closed-cell structure of EPE plastic requires it to break through the interfacial energy of the cell wall during hot melting. The above-mentioned processing equipment uses a heating rod to heat in a constant temperature zone, but the thermal conductivity of EPE is low (0.03-0.04 W / m·K). During hot melting, the external high temperature easily carbonizes the surface of the EPE plastic while its interior is not melted, forcing the hot melting time to be prolonged. Otherwise, it is easy to cause uneven hot melting of the plastic, affecting the quality. During the hot melting process, the above-mentioned patent will continuously feed the crushed EPE plastic for hot melting, which will cause EPE particles to continuously fall into the heating equipment, which can easily cause the unmelted plastic to mix with the just-crushed plastic, resulting in uneven hot melting and affecting the output quality. Summary of the Invention

[0005] The purpose of the present invention is to provide a disposable plastic product recycling equipment, which can extrude and dehydrate the plastic products before processing, and can also process the plastic in batches when the plastic is hot-melted, so as to avoid the plastic from continuously entering the hot-melt chamber and causing uneven hot-melting, affecting the quality, and absorb the heat during the hot-melting of the plastic, and use it for preheating and drying the plastic to be hot-melted, thereby effectively recovering the waste heat generated by the hot-melting of the plastic.

[0006] The technical solutions adopted by the present invention are as follows:

[0007] A disposable plastic product recycling device, comprising:

[0008] A storage tank, wherein the inner cavity of the storage tank is rotatably connected to a partition plate, and the storage tank is provided with a water filter tank below the partition plate, and the inner cavity of the storage tank is slidably connected to an extrusion plate, and further comprising;

[0009] The slitting assembly includes a push plate, which is arranged below the storage tank and has a heating wire on the right side of the push plate;

[0010] The conveying assembly includes a motor 3, a sub-control assembly is provided on the output shaft of the motor 3, an auger 1 is provided on the side of the motor 3, the other end of the auger 1 is in contact with the auger 2, and the sub-control assembly is also provided in the inner cavity of the auger 1 and the auger 2;

[0011] The sub-control assembly includes a connecting rod, which is slidably connected to the inner cavity of the auger 1 and the output shaft of the motor 3, and the end of the connecting rod close to the auger 2 extends out of the auger 1 and into the inner cavity of the auger 2;

[0012] The thermal cycle component includes a heat pipe, and the outlet of the heat pipe is connected to a preheating pipe;

[0013] Among them, after the plastic products enter the storage tank, the extrusion plate squeezes the plastic to discharge the liquid, and the cutting component is used to cut the plastic;

[0014] The sub-control components are divided into three groups of operating states, and the connecting rod is used to switch different states. In the first state, motor three drives the connecting rod and auger one to operate; in the second state, the connecting rod drives auger one and auger two to operate together; in the third state, the connecting rod drives auger two to operate.

[0015] In a preferred embodiment, a feeding nozzle is provided at the upper end of the storage tank, and a motor 1 is fixedly connected to the upper end of the storage tank. The output shaft of the motor 1 passes through the storage tank and is fixedly connected to the upper end of the partition plate. An infrared detector is fixedly installed on the upper end of the storage tank, and the end of the infrared detector passes through the upper end of the storage tank and extends into the inner cavity of the storage tank.

[0016] In a preferred embodiment, the partition plate is composed of three groups of long plates combined around the output shaft of motor one, the outer edge of the partition plate is in contact with the inner cavity wall of the storage tank, and a gap is reserved between the upper end of the partition plate and the upper end of the inner cavity of the storage tank.

[0017] In a preferred embodiment, an electric push rod is fixedly installed on the upper end of the storage tank, the output end of the electric push rod passes through the upper end of the storage tank, and a spike plate is fixedly connected to the output end of the electric push rod, the spike plate is slidably connected to the inner cavity of the extrusion plate, and the lower end of the spike plate passes through the lower end of the extrusion plate.

[0018] In a preferred embodiment, the bottom of the inner cavity of the storage tank is divided into three parts by a partition plate, one part of which is provided with an outlet, and the outlet is connected to the cutting assembly, and the lower ends of the remaining two parts are provided with a water filter trough, and the lower ends of the water filter trough are connected to a drain pipe, and the outlet of the drain pipe extends out of the lower end of the storage tank.

[0019] In a preferred embodiment, the slitting assembly also includes a receiving tube, which is connected to the lower end of the outlet part of the storage tank. An electric push rod 2 is fixedly installed on the outside of the receiving tube. The output end of the electric push rod 2 passes through the side wall of the receiving tube and extends into the inner cavity of the receiving tube, and is fixedly connected to the middle part of the push plate. The upper end of the push plate is fixedly connected to an isolation plate. The end of the isolation plate close to the electric push rod 2 passes through the receiving tube and is slidably connected to the upper end of the inner cavity of the receiving tube, and the heating wire is fixedly installed at the end of the inner cavity of the receiving tube away from the electric push rod 2.

[0020] In a preferred embodiment, the slitting assembly also includes two groups of crushing rollers, which are rotatably connected to the bottom of the inner cavity of the receiving tube. Both ends of the two groups of crushing rollers pass through the receiving tube, wherein the ends extending out from the front side of the receiving tube are fixedly connected to gears, and the outer rings of the two groups of gears are meshed with each other. Motor 2 is fixedly installed on the rear side of the receiving tube, and the output shaft of motor 2 is fixedly connected to the rear end of the crushing roller away from electric push rod 2.

[0021] In a preferred embodiment, the conveying assembly also includes a conveying pipe, which is connected to the lower end of the receiving tube, and both auger 1 and auger 2 are rotatably connected to the inner cavity of the conveying pipe, and an extrusion head is provided at the end of the conveying pipe away from auger 1, and the end of auger 2 close to the extrusion head passes through and extends out of the extrusion head, and is rotatably connected to the middle part of the extrusion head, and a groove is provided at the end of auger 2 extending out of the extrusion head, and a cutting knife is fixedly connected in the groove, and the side of the cutting knife close to the extrusion head is in contact with the outer surface of the extrusion head.

[0022] In a preferred embodiment, the sub-control component also includes two groups of drive shafts, which are respectively fixedly connected to the outer ring of the middle section of the connecting rod and one end near the auger two, and the two groups of drive shafts are respectively movably sleeved in the inner cavity of the auger one and the auger two, and the upper and lower sides of the connecting rod near the end of the motor three are hinged with rollers, and a moving ring is provided on the side of the outer side of the conveying pipe near the motor three, the outer ring of the roller is rollingly connected to the inner cavity of the moving ring, and the part of the connecting rod connected to the roller is slidingly connected to the inner cavity of the moving ring, the conveying pipe is fixedly connected to the limit rod below the end near the motor three, and the middle part of the moving ring is slidingly connected to the outer ring of the limit rod, and the lower end of the conveying pipe is fixedly installed with an electric push rod three, and the output end of the electric push rod three is fixedly connected to the lower end of the moving ring.

[0023] In a preferred embodiment, the heat circulation component also includes an electric heating plate, which is installed in the inner cavity of the delivery pipe, and the inner cavity of the delivery pipe is fixedly connected to a heat conducting pipe at a position outside the electric heating plate, the upper inlet of the heat conducting pipe extends out of the delivery pipe, and the outlet of the heat conducting pipe is connected to a preheating pipe, which is fixedly connected to the other end of the delivery pipe, and the outlet of the preheating pipe extends out of the delivery pipe, a fan is fixedly installed in the middle of the rear side of the receiving pipe, and a heat exchange pipe is fixedly connected at a position between the fan and the receiving pipe, the lower end of the heat exchange pipe is connected to the outlet of the preheating pipe, and the upper end of the heat exchange pipe is connected to a water pump, which is fixedly installed on the rear side of the receiving pipe, an air inlet is opened in the middle of the rear side of the receiving pipe, and a filter is fixedly connected in the air inlet, the outlet of the fan faces the filter, and the lower end of the water pump is connected to the inlet of the heat conducting pipe.

[0024] The technical effects achieved by the present invention are:

[0025] The partition plate and the extrusion plate of the present invention can be used to extrude and dehydrate plastic products before they are processed, thereby preventing a large amount of liquid from accumulating in the plastic products and affecting subsequent processing. Before processing, after the storage tank receives the plastic waste, the partition plate rotates to push the plastic under the extrusion plate. At this time, the extrusion plate is driven down and a puncture component extends from the inside, thereby puncturing and squeezing the plastic product, so that the liquid accumulated in the plastic is discharged through the water filter, thereby achieving liquid discharge before the plastic is processed.

[0026] The conveying assembly of the present invention can process the plastic in batches when hot-melting the plastic, thereby preventing the plastic from continuously entering the hot-melt chamber and causing uneven hot-melting, which affects the quality. When hot-melting the plastic, the conveying assembly receives the crushed plastic and transports it to the heat circulation assembly. At this time, the sub-control assembly operates to control the operation mode of the auger 1 and the auger 2. In mode 1, only the auger 1 operates to push the plastic to the auger 2. In mode 2, the auger 1 and the auger 2 operate simultaneously to transport an appropriate amount of plastic to the heat circulation assembly. In mode 3, only the auger 2 operates to push the plastic for hot-melting, and the operation direction is continuously adjusted to stir the plastic. At the same time, the auger 1 stops operating to prevent the plastic from being transported, thereby preventing the crushed plastic from contacting the plastic being hot-melted, thereby ensuring the uniformity of hot-melting.

[0027] The heat circulation component of the present invention can absorb the heat during the hot melting of plastic and apply it to the preheating and drying of the plastic to be hot-melted, effectively recovering the waste heat generated by the hot melting of plastic and improving practicality; when the plastic is hot-melted, the heat-conducting liquid in the heat-conducting pipe absorbs the heat and is transported to the preheating pipe, and the preheating pipe emits a certain amount of heat to preheat the plastic waiting to be hot-melted. Subsequently, the blowing part of the conveying component cools the heated liquid transported by the preheating pipe, and the hot air generated during the blowing is used to dry the plastic, further improving the utilization of waste heat recovery, and the cooled liquid flows back into the heat-conducting pipe for heating, thereby circulating and absorbing the waste heat during the hot melting and avoiding waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a rear view schematic diagram of the whole of the present invention;

[0030] Figure 3 It is a cross-sectional schematic diagram of the storage tank in the present invention;

[0031] Figure 4 It is a structural schematic diagram of the partition plate in the present invention;

[0032] Figure 5 is a schematic cross-sectional view of an extruded plate in the present invention;

[0033] Figure 6 is a schematic cross-sectional view of the slitting assembly of the present invention;

[0034] Figure 7 It is a schematic structural diagram of the slitting assembly in the present invention;

[0035] Figure 8 It is a schematic structural diagram of the crushing roller in the present invention;

[0036] Figure 9 This is a diagram showing the positional relationship between the slitting assembly and the conveying assembly in the present invention;

[0037] Figure 10 is a schematic cross-sectional view of the conveying assembly of the present invention;

[0038] Figure 11 It is a structural schematic diagram of the cutting knife in the present invention;

[0039] Figure 12 It is a cross-sectional schematic diagram of the sub-control assembly in the present invention;

[0040] Figure 13 This is a diagram showing the switching state of the sub-control component in the present invention;

[0041] Figure 14 It is a structural schematic diagram of the moving ring and the roller in the present invention;

[0042] Figure 15 This is a schematic diagram of the connection between the linkage rod, auger 1 and motor 3 in the present invention;

[0043] Figure 16 It is a schematic diagram of the position of the thermal cycle components in the present invention;

[0044] Figure 17 It is a schematic diagram of the position of the water pump in the present invention;

[0045] Figure 18It is a structural schematic diagram of the heat exchange tube in the present invention;

[0046] Figure 19 It is a schematic diagram of the connection between the heat conducting pipe, the preheating pipe and the heat exchange pipe in the present invention.

[0047] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0048] 10. Storage tank; 11. Feed nozzle; 12. Motor 1; 13. Divider plate; 14. Infrared detector; 15. Water filter; 16. Drain pipe; 17. Electric push rod 1; 18. Spike plate; 19. Extrusion plate; 20. Slitting assembly; 21. Storage tube; 22. Electric push rod 2; 23. Push plate; 24. Isolation plate; 25. Heating wire; 26. Crushing roller; 27. Gear; 28. Motor 2; 30. Conveying assembly; 31. Conveying Feed pipe; 32. Motor three; 33. Auger one; 34. Auger two; 35. Extruder head; 36. Cutting knife; 37. Sub-control assembly; 371. Linkage rod; 372. Drive shaft; 373. Roller; 374. Moving ring; 375. Limit rod; 376. Electric push rod three; 40. Thermal circulation assembly; 41. Electric heating plate; 42. Heat pipe; 43. Preheating pipe; 44. Fan; 45. Heat exchange pipe; 46. Water pump; 47. Filter. DETAILED DESCRIPTION

[0049] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0050] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0051] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it constitute a separate or selective embodiment that is mutually exclusive of other embodiments.

[0052] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.

[0053] Please see the attached Figures 1 to 2 、 Figure 12 As shown, this embodiment provides a disposable plastic product recycling device, comprising:

[0054] The storage tank 10 has a partition plate 13 rotatably connected to the inner cavity of the storage tank 10, and a water filter trough 15 is provided below the partition plate 13. The inner cavity of the storage tank 10 is slidably connected to the extrusion plate 19, and further includes:

[0055] The cutting assembly 20 includes a push plate 23, which is arranged below the storage tank 10, and a heating wire 25 is arranged on the right side of the push plate 23;

[0056] The conveying assembly 30 includes a motor 32, a sub-control assembly 37 is provided on the output shaft of the motor 32, an auger 1 33 is provided on the side of the motor 32, and the other end of the auger 1 33 is in contact with the auger 2 34, and the sub-control assembly 37 is also provided in the inner cavity of the auger 1 33 and the auger 2 34;

[0057] The sub-control assembly 37 includes a connecting rod 371, which is slidably connected to the inner cavity of the auger 1 33 and the output shaft of the motor 32. The end of the connecting rod 371 near the auger 2 34 extends out of the auger 1 33 and into the inner cavity of the auger 2 34.

[0058] The thermal cycle component 40 includes a heat pipe 42, and the outlet of the heat pipe 42 is connected to a preheating pipe 43;

[0059] Among them, after the plastic product enters the storage tank 10, the extrusion plate 19 squeezes the plastic to discharge the liquid, and the cutting component 20 is used to cut the plastic;

[0060] The sub-control component 37 is divided into three groups of operating states, and the connecting rod 371 is used to switch different states. In the first state, the motor three 32 drives the connecting rod 371 and the auger one 33 to operate; in the second state, the connecting rod 371 drives the auger one 33 and the auger two 34 to operate together; in the third state, the connecting rod 371 drives the auger two 34 to operate.

[0061] It should be noted that the output shaft of motor three 32 is only movably sleeved in the inner cavity of auger one 33, and is not connected to auger one 33. The output shaft of motor three 32 is a hexagonal structure, and the inner cavity of the connecting rod 371 is also provided with a hexagonal structure (the edges are rounded for easy connection), so that the connecting rod 371 can both slide on the output shaft of motor three 32 and be driven to rotate by it.

[0062] Preferably, an external control component is required before use of this embodiment to control the operation of the electrical components in this embodiment, such as: the progress of movement, switching of working states and temperature control.

[0063] In this embodiment, when recycling plastic products, after the storage tank 10 receives the plastic waste, the partition plate 13 operates to push the plastic under the squeezing plate 19. At this time, the squeezing plate 19 descends to squeeze the plastic, and the liquid accumulated in the plastic is filtered out from the water filter 15; then the plastic falls into the cutting component 20, and is pushed to the electric heating wire 25 by the pushing plate 23 for cutting. Then the cutting component 20 crushes the cut plastic, and the crushed plastic falls into the conveying component 30 to wait for hot melting. At this time, the motor three 32 drives the connecting rod 371 to drive the auger one 33 to operate, and transports the plastic to the auger two 34. During the operation, the connecting rod 371 moves and switches to the second state, so that the auger one 33 and the auger two 34 operate together to transport the plastic. After the transportation is completed, the connecting rod 371 continues to move and switches to the third state, so that only the auger two 34 operates, driving the plastic to be hot-melted and stir-fried, and then the sub-control component 37 squeezes out the melted plastic and cuts and collects it. The heat cycle component 40 absorbs heat through the heat pipe 42 and transfers it to the preheating pipe 43 to preheat the plastic to be melted. The heat cycle component 40 then uses the remaining heat to dry the plastic, thereby improving the utilization rate of heat.

[0064] Next, please refer to Figures 1 to 4 The upper end of the storage tank 10 is also provided with a feeding nozzle 11, and the upper end of the storage tank 10 is fixedly connected to a motor 12, the output shaft of the motor 12 passes through the storage tank 10 and is fixedly connected to the upper end of the partition plate 13, and the upper end of the storage tank 10 is fixedly installed with an infrared detector 14, and the end of the infrared detector 14 passes through the upper end of the storage tank 10 and extends into the inner cavity of the storage tank 10;

[0065] The partition plate 13 is composed of three groups of long plates combined around the output shaft of the motor 12. The outer edge of the partition plate 13 is in contact with the inner wall of the storage tank 10, and a gap is reserved between the upper end of the partition plate 13 and the upper end of the inner cavity of the storage tank 10. The gap is used to accommodate the extrusion plate 19 to prevent the extrusion plate 19 from affecting the rotation of the partition plate 13.

[0066] It should be noted that the output shaft of the motor 12 passes through the storage tank 10, and a ball bearing is provided between the output shaft and the storage tank 10 to ensure the stability of the operation of the motor 12;

[0067] Three sets of reflective films are fixedly connected to the upper end of the partition plate 13 below the infrared detector 14, and the three sets of reflective films are distributed above the three long plates of the partition plate 13. The purpose is to make it possible for the infrared detector 14 to detect every time the partition plate 13 rotates one-third of a circle, thereby facilitating the control of the operation of the motor 12 and preventing the partition plate 13 from continuing to rotate when the extrusion plate 19 descends to squeeze out water, thereby causing damage to the device.

[0068] In this embodiment, the feed nozzle 11 receives the plastic product and makes it fall into the storage tank 10, and then the motor 12 drives the partition plate 13 to rotate clockwise, pushing the plastic to move toward the extrusion plate 19. After the infrared detector 14 detects that the partition plate 13 has rotated into place, it controls the motor 12 to stop running, thereby avoiding affecting the water squeezing work of the extrusion plate 19.

[0069] Next, please refer to Figures 4 to 5 The upper end of the storage tank 10 is also fixedly mounted with an electric push rod 17, the output end of the electric push rod 17 passes through the upper end of the storage tank 10, and the output end of the electric push rod 17 is fixedly connected to a spike plate 18, the spike plate 18 is slidably connected to the inner cavity of the extrusion plate 19, and the lower end of the spike plate 18 passes through the lower end of the extrusion plate 19;

[0070] Here, the lower end of the spike plate 18 is fixedly connected to multiple groups of puncture needles, and the lower end of the extrusion plate 19 is provided with multiple groups of through grooves, and the through grooves and the puncture needles are adapted to each other, so that after the extrusion plate 19 descends and contacts the plastic product, the spike plate 18 continues to descend, pushing the puncture needles out of the extrusion plate 19 and contacting the plastic product, and then piercing the plastic product through the extended puncture needles, so as to facilitate the discharge of the liquid in the plastic. In the process of the spike plate 18 rising and resetting, the puncture needles will also be retracted into the inner cavity of the extrusion plate 19. In the process of retraction, the puncture needles will scrape off the plastic garbage adhered to their outer edges due to the obstruction of the extrusion plate 19, thereby preventing the plastic garbage from hanging on the puncture needles.

[0071] The bottom of the inner cavity of the storage tank 10 is divided into three parts by a partition plate 13, one of which is provided with an outlet, and the outlet is connected to the cutting assembly 20, and the lower ends of the remaining two parts are provided with a water filter trough 15, and the lower ends of the water filter trough 15 are connected to a drain pipe 16, and the outlet of the drain pipe 16 extends out of the lower end of the storage tank 10.

[0072] It should be noted that the lower ends of the two sets of water filter tanks 15 are each provided with a groove, and the lower ends of the grooves are connected to the drain pipes 16, in order to facilitate the discharge of squeezed and seeped water, and the outlets of the two sets of drain pipes 16 are connected together;

[0073] A through slot is provided at the upper end of the extrusion plate 19 , and the output end of the electric push rod 17 is movably sleeved in the through slot and passes through the through slot to be fixedly connected to the spike plate 18 .

[0074] In this embodiment, after the plastic product is pushed to the bottom of the extrusion plate 19 by the partition plate 13, the electric push rod 17 runs to push the spike plate 18 down, and the extrusion plate 19 is lowered to extrude the plastic. After the extrusion plate 19 contacts the plastic, the spike plate 18 continues to descend, so that the puncture needle at its lower end extends out of the extrusion plate 19, and then punctures and squeezes the plastic to drain water. The discharged liquid is discharged from the drain pipe 16 through the water filter trough 15, and the drained plastic is pushed by the partition plate 13 again to be discharged from the outlet area of ​​the storage tank 10.

[0075] Next, please refer to Figures 6 and 7 The slitting assembly 20 also includes a receiving tube 21, which is connected to the lower end of the outlet part of the storage tank 10. An electric push rod 22 is fixedly installed on the outside of the receiving tube 21. The output end of the electric push rod 22 passes through the side wall of the receiving tube 21 and extends into the inner cavity of the receiving tube 21, and is fixedly connected to the middle part of the push plate 23. The upper end of the push plate 23 is fixedly connected to an isolation plate 24. The end of the isolation plate 24 close to the electric push rod 22 passes through the receiving tube 21 and is slidably connected to the upper end of the inner cavity of the receiving tube 21, and the heating wire 25 is fixedly installed at the end of the inner cavity of the receiving tube 21 away from the electric push rod 22.

[0076] It should be noted that the end of the isolation plate 24 away from the electric push rod 22 is fixedly connected to a blade, and the upper end of the isolation plate 24 and the upper end of the blade are both in contact with each other and connected below the entrance of the receiving tube 21. This is intended to enable the isolation plate 24 to block the entrance of the receiving tube 21 when the push plate 23 moves, preventing the plastic from falling and cutting off the plastic waste at the entrance of the receiving tube 21 to avoid affecting the movement of the push plate 23.

[0077] The push plate 23 is fixedly connected to one end of the electric push rod 22 with two sets of sliding rods, and the sliding rods are slidably connected to the side of the receiving tube 21, in order to use the sliding rods to improve the stability of the movement of the push plate 23;

[0078] The receiving tube 21 is an L-shaped hollow tube, and the heating wire 25 is located at the corner, so that when the push plate 23 pushes the plastic product to contact the heating wire 25, the plastic can be pre-cut by the heating wire 25 to facilitate subsequent crushing.

[0079] Preferably, the operating temperature of the heating wire 25 is 160 degrees Celsius to 220 degrees Celsius, so as to be able to quickly cut the EPE plastic without melting the plastic due to excessive temperature, thereby affecting the transportation of the plastic.

[0080] In this embodiment, when the receiving tube 21 receives the drained plastic, the electric push rod 22 operates to push the push plate 23 to move, pushing the plastic toward the heating wire 25 for cutting. At the same time, the isolation plate 24 moves synchronously to block the entrance of the receiving tube 21, and cut off the plastic located in the entrance area of ​​the receiving tube 21, and push it toward the heating wire 25 for cutting, so as to prevent the plastic from falling during the pushing process and affecting the resetting of the push plate 23.

[0081] Please refer again Figures 6 to 8The slitting assembly 20 also includes two groups of crushing rollers 26, which are rotatably connected to the bottom of the inner cavity of the receiving tube 21 through ball bearings. Both ends of the two groups of crushing rollers 26 pass through the receiving tube 21, wherein the ends extending out of the front side of the receiving tube 21 are fixedly connected to gears 27, and the outer rings of the two groups of gears 27 are meshed with each other. A second motor 28 is fixedly installed on the rear side of the receiving tube 21, and the output shaft of the second motor 28 is fixedly connected to the rear end of the crushing roller 26 away from the second electric push rod 22.

[0082] It should be noted that the receiving tube 21 is provided with a protective sleeve on the outer ring of the two sets of gears 27 to prevent foreign matter from affecting the normal operation of the gears 27;

[0083] The two sets of crushing rollers 26 are set at the same height, and both ends are connected to the inner wall of the receiving tube 21, so that after the cut plastic falls on the crushing rollers 26, the two sets of crushing rollers 26 can crush the plastic by rotating.

[0084] In this embodiment, the cut plastic will fall between the two sets of crushing rollers 26. At this time, the motor 28 drives one set of crushing rollers 26 to operate, and the two sets of crushing rollers 26 rotate relative to each other through the gear 27 to crush the cut plastic.

[0085] Please refer again Figures 9 to 11 The conveying assembly 30 also includes a conveying pipe 31, which is connected to the lower end of the receiving tube 21, and the auger 1 33 and the auger 2 34 are both rotatably connected to the inner cavity of the conveying pipe 31 through ball bearings. The end of the conveying pipe 31 away from the auger 1 33 is provided with an extrusion head 35, and the end of the auger 2 34 close to the extrusion head 35 passes through and extends out of the extrusion head 35, and is rotatably connected to the middle of the extrusion head 35 through a ball bearing, and the end of the auger 2 34 extending out of the extrusion head 35 is provided with a groove, and a cutting knife 36 is fixedly connected in the groove, and the side of the cutting knife 36 close to the extrusion head 35 is in contact with the outer surface of the extrusion head 35.

[0086] It should be noted that a pipe sleeve bracket is provided in the middle of the inner cavity of the delivery pipe 31, and the auger 2 34 is rotatably connected to the pipe sleeve bracket through a ball bearing, in order to improve the stability of the operation of the auger 2 34;

[0087] A positioning rod and a screw rod are fixedly connected in the groove of the end of the auger 2 34, and the cutting knife 36 is movably sleeved on the outer ring of the positioning rod and the screw rod, and the outer ring of the screw rod is threadedly connected with a gasket and a nut, and the gasket is in contact with the cutting knife 36;

[0088] One end of the auger 1 33 away from the auger 2 34 passes through and extends out of the delivery pipe 31 .

[0089] Preferably, in order to ensure that the plastic can be quickly shaped when it is extruded from the extrusion head 35, a water cooling device can be installed in the extrusion head 35 (this is a common technical structure in the prior art and will not be described in detail). Combined with this embodiment, when the water cooling device is installed, the cold water pipe can receive the cold water discharged from the heat exchange pipe 45, and the warm liquid discharged after the water cooling device is cooled can be sent to the heat conduction pipe 42 for heat absorption, forming a new circulating water circuit, thereby further improving the heat recovery effect.

[0090] In this embodiment, the crushed plastic falls into the conveying pipe 31 and waits for hot melting. The auger 1 33 moves the plastic to the auger 2 34, and then the auger 2 34 operates alone to stir the plastic during the hot melting process to improve the uniformity of the hot melting. The hot-melted plastic is extruded from the extrusion head 35. At this time, the rotating auger 2 34 will drive the cutting knife 36 to rotate, cutting the extruded plastic, thereby realizing rapid cutting and granulation of the plastic after hot melting, thereby improving efficiency.

[0091] Please refer again Figures 12 to 15 The sub-control component 37 also includes two sets of drive shafts 372, which are respectively fixedly connected to the middle outer ring of the connecting rod 371 and the end near the auger 2 34, and the two sets of drive shafts 372 are respectively movably sleeved in the inner cavity of the auger 1 33 and the auger 2 34. The upper and lower sides of the connecting rod 371 near the end of the motor 32 are hinged with rollers 373. A moving ring 374 is provided on the side of the outer side of the conveying pipe 31 near the motor 32. The rollers 373 The outer ring is rollingly connected to the inner cavity of the moving ring 374, and the part of the connecting rod 371 connected to the roller 373 is slidingly connected to the inner cavity of the moving ring 374. The conveying tube 31 is fixedly connected to the limiting rod 375 below one end near the motor three 32, and the middle part of the moving ring 374 is slidingly connected to the outer ring of the limiting rod 375. The lower end of the conveying tube 31 is fixedly installed with the electric push rod three 376, and the output end of the electric push rod three 376 is fixedly connected to the lower end of the moving ring 374.

[0092] It should be noted that the connecting rod 371 cannot be disconnected from the motor 3 32 when it moves to any position, ensuring that the motor 3 32 can always drive the connecting rod 371 to rotate;

[0093] The portion of the connecting rod 371 connected to the roller 373 is provided with two sets of long rods, both of which are slidably connected in the moving ring 374, so that the connecting rod 371 can rotate in the moving ring 374 and can also be driven to move by the connecting rod 371;

[0094] The inner cavities at both ends of the auger 1 33 are provided with grooves with a diameter larger than the drive shaft 372, and the length of the grooves is greater than the length of the drive shaft 372, and the inner cavity of the auger 1 33 near the end of the motor 32 is provided with a hexagonal groove, and the inner cavity of the end of the auger 2 34 near the auger 1 33 is also provided with a hexagonal groove, and the two sets of hexagonal grooves are adapted to the drive shaft 372, and are intended to switch the state by controlling the position of the connecting rod 371 and the drive shaft 372. When the connecting rod 371 and the drive shaft 372 are fully connected to the hexagonal groove in the auger 1 33, the drive shaft 372 connected to the auger 2 34 will retract the auger. The inner cavity of the first auger 33 is connected to the inner cavity of the second auger 34, thereby only driving the first auger 33 to operate; when the drive shaft 372 is fully connected to the second auger 34, the drive shaft 372 located in the inner cavity of the first auger 33 will slide into the groove of the inner cavity of the first auger 33, and the drive shaft 372 cannot drive the first auger 33 to operate through the groove, thereby only driving the second auger 34 to operate; when the drive shaft 372 is only halfway into the second auger 34, the drive shaft 372 located in the first auger 33 cannot be completely separated from the hexagonal groove of the inner cavity of the first auger 33, thereby enabling the connecting rod 371 and the drive shaft 372 to drive the first auger 33 and the second auger 34 to operate at the same time;

[0095] Preferably, based on the three operating states of auger one 33 and auger two 34, the subsequent EPE plastic hot melt process can be divided into three sections. In the first section, auger one 33 runs to transport the crushed plastic to auger two 34, and switches to the second section during the transportation process: auger one 33 and auger two 34 run at the same time, and after an appropriate amount of plastic is transported in auger two 34, the third section is carried out, that is, it switches to the state where only auger two 34 is running. In this state, the plastic can be repeatedly moved and stirred by auger two 34 by controlling the forward and reverse rotation of motor three 32 until the plastic is completely hot-melted and then transported to the extrusion head 35. In this state, auger one 33 cannot rotate at all, and thus cannot drive the remaining plastic into auger two 34, thereby ensuring the uniformity and stability of the hot melt.

[0096] The first and second auger 33 and 34 are connected by the connecting rod 371 to the inner cavity of the auger 33. At this time, the motor 32 drives the connecting rod 371 and the auger 33 to rotate and transport the plastic to the direction of the auger 34. Then, the electric push rod 376 drives the moving ring 374 to move, driving the connecting rod 371 to move, so that the drive shaft 372 extends halfway from the auger 33, and drives the drive shaft 372 at the other end of the connecting rod 371 to be inserted into the auger 34, so that the auger 33 and the second auger 34 rotate together, and the appropriate amount of plastic is completely transported to the auger 34. 4, then the electric push rod three 376 drives the connecting rod 371 to reset, and drives the auger one 33 to run in the opposite direction, and transports the remaining plastic away from the auger two 34 to prevent the plastic from slipping into the auger two 34 and mixing with the plastic being hot-melted, affecting the uniformity of hot-melting. After that, the connecting rod 371 moves again, and makes the drive shaft 372 completely disengage from the auger one 33 and completely insert into the auger two 34. At this time, the motor three 32 only drives the auger two 34 to run through the connecting rod 371. During the hot-melting process of the plastic, the auger two 34 constantly adjusts the forward and reverse running direction to stir the plastic, improve the hot-melting uniformity, and extrude it after the hot-melting is completed, thereby realizing the control of the operating status of the two groups of augers.

[0097] Please refer again Figures 16 to 19 The heat cycle assembly 40 also includes an electric heating plate 41, which is installed in the inner cavity of the delivery pipe 31, and the inner cavity of the delivery pipe 31 is fixedly connected to a heat pipe 42 at the outer periphery of the electric heating plate 41. The upper end inlet of the heat pipe 42 extends out of the delivery pipe 31, and the outlet of the heat pipe 42 is connected to a preheating pipe 43, which is fixedly connected to the other end of the delivery pipe 31, and the outlet of the preheating pipe 43 extends out of the delivery pipe 31. The middle part of the rear side of the receiving pipe 21 is fixedly installed. A fan 44 is installed, and a heat exchange tube 45 is fixedly connected to the position between the fan 44 and the receiving tube 21. The lower end of the heat exchange tube 45 is connected to the outlet of the preheating tube 43, and the upper end of the heat exchange tube 45 is connected to a water pump 46. The water pump 46 is fixedly installed on the rear side of the receiving tube 21. An air inlet is opened in the middle of the rear side of the receiving tube 21, and a filter 47 is fixedly connected to the air inlet. The outlet of the fan 44 faces the filter 47, and the lower end of the water pump 46 is connected to the inlet of the heat conduction tube 42.

[0098] It should be noted that the heat conducting pipe 42 and the preheating pipe 43 are both copper temperature conducting rods, and the preheating pipe 43 is arranged inside the inner wall of the conveying pipe 31 located at the auger 1 33, and is intended to be used to preheat the plastic waiting to be hot-melted in the auger 1 33;

[0099] The heat exchange tube 45 is an S-shaped heat conducting tube, and the air outlet of the fan 44 is oriented toward the heat exchange tube 45. This allows the fan 44 to blow air onto the heat exchange tube 45 and absorb the heat from the heat exchange tube 45 into hot air. The hot air then passes through the filter 47 and is blown into the receiving tube 21 to dry the plastic waste, facilitating subsequent crushing and hot melting.

[0100] The electric heating plate 41 is an electrically controlled heating device with an operating temperature of 160° C. to 200° C., which is intended to melt the EPE plastic while preventing the plastic from being carbonized due to excessive temperature and affecting the quality of the finished product.

[0101] In this embodiment, during the hot melting process of the plastic, the electric heating plate 41 operates to heat up and melt the plastic, and then the liquid in the heat pipe 42 absorbs the heat and flows to the preheating pipe 43 to dissipate the heat, preheating the plastic waiting to be hot melted. Then the warm liquid discharged from the preheating pipe 43 flows into the heat exchange pipe 45. At this time, the fan 44 operates to blow air, and the wind is heated by the heat exchange pipe 45 to form hot air, and the hot air passes through the filter 47 into the receiving tube 21 to dry the plastic, and the cold water discharged from the heat exchange pipe 45 is transported by the water pump 46 and returned to the heat pipe 42 for heating, thereby making full use of the waste heat generated by the hot melting of the plastic.

[0102] The working principle of the present invention is as follows: the feed nozzle 11 receives the plastic product and makes it fall into the storage tank 10, then the motor 12 drives the partition plate 13 to rotate clockwise, pushing the plastic to move in the direction of the extrusion plate 19, then the electric push rod 17 operates to push the spike plate 18 down, and the extrusion plate 19 also descends to extrude the plastic. After the extrusion plate 19 contacts the plastic, the spike plate 18 continues to descend, so that the puncture needle at its lower end extends out of the extrusion plate 19, and then punctures and squeezes the plastic to drain water. The discharged liquid is discharged from the drain pipe 16 through the water filter 15. When the receiving tube 21 receives the drained plastic, the electric push rod 22 operates to push the push plate 23 to move, pushing the plastic toward the electric heating wire 25 for cutting. The cut plastic will fall between the two sets of crushing rollers 26. At this time, the motor 28 drives one set of crushing rollers 26 to operate, and through the gear 27, the two sets of crushing rollers 26 rotate relative to each other to crush the cut plastic. The crushed plastic falls into the conveying pipe 31 and waits for hot melting. At this time, the movement state of the auger 1 33 and the auger 2 34 is switched by adjusting the position of the connecting rod 371. When the plastic needs to be conveyed, the connecting rod 371 and the drive shaft 372 are completely connected to the inner cavity of the auger 1 33. The motor 32 drives the connecting rod 371 and the auger 1 33 to rotate and convey the plastic to the direction of the auger 2 34. Then the electric push rod 376 drives the moving ring 374 to move, driving the connecting rod 371 to move, so that the drive shaft 372 is out of the auger 1 33. The motor 32 extends halfway, driving the drive shaft 372 at the other end of the linkage rod 371 to be inserted into the auger 2 34, causing the auger 1 33 and the auger 2 34 to rotate together, and the appropriate amount of plastic is completely transported into the auger 2 34. After that, the linkage rod 371 moves again, and the drive shaft 372 is completely separated from the auger 1 33 and completely inserted into the auger 2 34. At this time, the motor 32 only drives the auger 2 34 to run through the linkage rod 371. During the hot melting process of the plastic, the auger 2 34 continuously adjusts the forward and reverse running direction to stir the plastic. The hot-melt plastic is extruded from the extruder head 35. At this time, the rotating auger 2 34 will drive the cutting knife 36 to rotate, cutting the extruded plastic, thereby realizing rapid cutting and granulation of the plastic after hot melting, thereby improving efficiency.

[0103] The foregoing is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained herein shall, unless otherwise specified or limited, be implemented in accordance with conventional means in the art.

Claims

1. A disposable plastic product recycling device, characterized by: include: A storage tank, wherein the inner cavity of the storage tank is rotatably connected to a partition plate, and the storage tank is provided with a water filter tank below the partition plate, and the inner cavity of the storage tank is slidably connected to an extrusion plate, and further comprising; The slitting assembly includes a push plate, which is arranged below the storage tank and has a heating wire on the right side of the push plate; The conveying assembly includes a third motor, a sub-control assembly is provided on the output shaft of the third motor, an auger 1 is provided on the side of the third motor, the other end of the auger 1 is in contact with the auger 2, and the sub-control assembly is also provided in the inner cavity of the auger 1 and the auger 2. The conveying assembly also includes a conveying pipe; The sub-control assembly includes a connecting rod, which is slidably connected to the inner cavity of the auger 1 and the output shaft of the motor 3; The thermal cycle component includes a heat pipe, and the outlet of the heat pipe is connected to a preheating pipe; Among them, after the plastic products enter the storage tank, the extrusion plate squeezes the plastic to discharge the liquid, and the cutting component is used to cut the plastic; The sub-control component is divided into three groups of operating states. The connecting rod is used to switch between different states. In the first state, motor three drives the connecting rod and auger one to operate; in the second state, the connecting rod drives auger one and auger two to operate together; in the third state, the connecting rod drives auger two to operate. The bottom of the inner cavity of the storage tank is divided into three parts by a partition plate. One part is provided with an outlet, which is connected to the cutting assembly. The lower ends of the remaining two parts are provided with a water filter trough, and the lower ends of the water filter trough are connected to a drain pipe, and the outlet of the drain pipe extends out of the lower end of the storage tank. The sub-control component also includes two groups of drive shafts, which are respectively fixedly connected to the outer ring of the middle section of the connecting rod and one end close to the auger two, and the two groups of drive shafts are respectively movably sleeved in the inner cavity of the auger one and the auger two. The upper and lower sides of the connecting rod close to the motor three end are hinged with rollers, and a moving ring is provided on the outer side of the conveying pipe close to the motor three. The outer ring of the roller is connected to the inner cavity of the moving ring in a rolling manner, and the part of the connecting rod connected to the roller is slidably connected to the inner cavity of the moving ring. The conveying pipe is fixedly connected to the limit rod below the end close to the motor three, and the middle part of the moving ring is slidably connected to the outer ring of the limit rod. The lower end of the conveying pipe is fixedly installed with an electric push rod three, and the output end of the electric push rod three is fixedly connected to the lower end of the moving ring.

2. The disposable plastic product recycling equipment according to claim 1, characterized in that: A feeding nozzle is also provided at the upper end of the storage tank, and a motor 1 is fixedly connected to the upper end of the storage tank. The output shaft of the motor 1 passes through the storage tank and is fixedly connected to the upper end of the partition plate. An infrared detector is fixedly installed on the upper end of the storage tank, and the end of the infrared detector passes through the upper end of the storage tank and extends into the inner cavity of the storage tank.

3. The disposable plastic product recycling equipment according to claim 2, characterized in that: The partition plate is composed of three groups of long plates combined around the output shaft of motor one. The outer edge of the partition plate is in contact with the inner wall of the storage tank, and a gap is reserved between the upper end of the partition plate and the upper end of the inner cavity of the storage tank.

4. The disposable plastic product recycling equipment according to claim 1, characterized in that: An electric push rod is also fixedly installed on the upper end of the storage tank, and the output end of the electric push rod passes through the upper end of the storage tank, and a spike plate is fixedly connected to the output end of the electric push rod, the spike plate is slidably connected to the inner cavity of the extrusion plate, and the lower end of the spike plate passes through the lower end of the extrusion plate.

5. The disposable plastic product recycling equipment according to claim 1, characterized in that: The slitting assembly also includes a receiving tube, which is connected to the lower end of the outlet part of the storage tank. An electric push rod 2 is fixedly installed on the outside of the receiving tube. The output end of the electric push rod 2 passes through the side wall of the receiving tube and extends into the inner cavity of the receiving tube, and is fixedly connected to the middle part of the push plate. The upper end of the push plate is fixedly connected to an isolation plate. The end of the isolation plate close to the electric push rod 2 passes through the receiving tube and is slidably connected to the upper end of the inner cavity of the receiving tube, and the heating wire is fixedly installed at the end of the inner cavity of the receiving tube away from the electric push rod 2.

6. The disposable plastic product recycling equipment according to claim 5, characterized in that: The slitting assembly also includes two groups of crushing rollers, which are rotatably connected to the bottom of the inner cavity of the receiving tube. Both ends of the two groups of crushing rollers pass through the receiving tube, wherein the ends extending out from the front side of the receiving tube are fixedly connected to gears, and the outer rings of the two groups of gears are meshed with each other. Motor 2 is fixedly installed on the rear side of the receiving tube, and the output shaft of motor 2 is fixedly connected to the rear end of the crushing roller away from the electric push rod 2.

7. The disposable plastic product recycling equipment according to claim 6, characterized in that: The delivery pipe is connected to the lower end of the receiving pipe, and both auger one and auger two are rotatably connected to the inner cavity of the delivery pipe. An extrusion head is provided at the end of the delivery pipe away from auger one, and the end of auger two close to the extrusion head passes through and extends out of the extrusion head and is rotatably connected to the middle part of the extrusion head. A groove is provided at the end of auger two extending out of the extrusion head, and a cutting knife is fixedly connected in the groove. The side of the cutting knife close to the extrusion head is in contact with the outer surface of the extrusion head.

8. The disposable plastic product recycling equipment according to claim 1, characterized in that: The heat circulation component also includes an electric heating plate, which is installed in the inner cavity of the delivery pipe, and the inner cavity of the delivery pipe is fixedly connected to a heat conducting pipe at a position outside the electric heating plate. The upper inlet of the heat conducting pipe extends out of the delivery pipe, and the outlet of the heat conducting pipe is connected to a preheating pipe, which is fixedly connected to the other end of the delivery pipe, and the outlet of the preheating pipe extends out of the delivery pipe. A fan is fixedly installed in the middle of the rear side of the receiving pipe, and a heat exchange pipe is fixedly connected at a position between the fan and the receiving pipe. The lower end of the heat exchange pipe is connected to the outlet of the preheating pipe, and the upper end of the heat exchange pipe is connected to a water pump, which is fixedly installed on the rear side of the receiving pipe. An air inlet is opened in the middle of the rear side of the receiving pipe, and a filter is fixedly connected in the air inlet. The outlet of the fan faces the filter, and the lower end of the water pump is connected to the inlet of the heat conducting pipe.

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