Waste plastic recycling, granulating and melting device

By designing a granulation and melting device for recycling waste plastics, the combination of a heat conduction cylinder and heating wire is used to heat the plastic particles, and the direction of the air duct is optimized through the fan and push rod structure, the problem of difficulty in effectively utilizing waste plastics in the existing technology is solved, and efficient recycling and environmental protection are achieved.

CN120134486AInactive Publication Date: 2025-06-13DONGGUAN BAICHUAN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202510342986.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-03-29
Filing Date
2025-04-03
Publication Date
2025-06-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the existing plastic particle processing technology, it is difficult to effectively use waste plastic for recycling, resulting in waste of resources and environmental pollution.

Method used

A waste plastic recycling and granule melting device is designed. Through the combination of a heat conduction cylinder and a heating wire, efficient heating and melting of plastic particles is achieved, and the fan and push rod structure is used to optimize the direction of the air duct to disperse heat evenly.

Benefits of technology

It realizes efficient recycling and utilization of used plastics, avoids waste of resources, and improves the efficiency and environmental protection of the plastic processing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a granulating and melting device for recycling waste plastics. Comprising a base plate, a belt wheel fixedly connected to the base plate, a bearing pipe installed on the driving portion of the belt wheel, a screw installed at the driving end of the bearing pipe and a material guiding pipe for sealing the screw. According to the granulating and melting device for recycling the waste plastics, after the push rod is pushed to move forwards, the rack connected to the front end of the push rod pushes the rotating shaft meshed with the axis part of the rotating wheel to rotate and drives the rotating wheel to rotate, and the rotating wheel is driven to rotate; an outer frame connected to the outer wall of the rotating wheel and a swing head can rotate, a heating wire is close to a first arc block and a second arc block, the distance is shortened, the temperature is increased, meanwhile, a rotating wheel installed at the frame position of the outer frame can also rotate after being rotated by the rotating wheel, and blades are installed at the axis position of the rotating wheel and used for changing the trend of an air channel in an inner cavity of a heat conduction cylinder. And therefore, the air can flatly spread in the inner cavity of the heat conduction cylinder.
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Description

Technical Field

[0001] The present invention relates to the field of plastic pellet processing, and specifically to a granulation melting device for recycling waste plastics. Background Art

[0002] Plastic pellet processing is a common plastic processing method. By processing raw plastic pellets into products of various shapes, the needs of different fields can be met. During plastic pellet processing, the input plastic melt is extruded and cut into pellets with a scraper. When the plastic enters the guide pipe, it needs to be heated in all directions to prevent the melt plastic from cooling too quickly or being cooled, resulting in inability to extrude. Summary of the Invention

[0003] The purpose of the present invention is to provide a granulation melting device for recycling waste plastics to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solutions: A granulation melting device for recycling waste plastics, including a substrate, a pulley fixedly connected to the substrate, a bearing pipe installed at the driving part of the pulley, a screw installed at the driving end of the bearing pipe, a guide pipe for sealing the screw, arc block two and arc block one respectively installed on the outer wall of the guide pipe, and a heat conducting cylinder installed on the outer walls of arc block one and arc block two. A feeding box is installed at the feeding end of the outer wall of the guide pipe, a scraping plate is installed at the discharging end of the guide pipe, external connection blocks are fixedly connected to both the upper and lower parts of the outer wall of the heat conducting cylinder, the two external connection blocks are respectively fixedly connected to upper block one and lower block two, an electricity connection seat is arranged between upper block one and lower block two, the two electricity connection seats are installed on the left and right sides of the outer wall of the heat conducting cylinder, a blower is installed at the lower part of the outer wall of the heat conducting cylinder, the air outlet end of the blower penetrates through the bottom of the heat conducting cylinder and extends into the interior of the heat conducting cylinder, a heating wire seat is installed in the inner cavity of the electricity connection seat, a connector is installed at one end of the heating wire seat, a heating wire is telescopically connected to the front end of the connector, a cross bar is fixedly connected to the upper surface of the outer wall of the heating wire, a cap is installed on the upper surface of the cross bar, a socket pin is installed on the inner wall of the heat conducting cylinder, the socket pin is threadedly installed with the cap, and a push cylinder and a runner are further arranged between the heating wire and the inner wall of the heat conducting cylinder.

[0005] As a further solution of the present invention: A conduit is installed on the lower surface of the bottom of the push cylinder, a cavity seat is installed at the bottom of the inner cavity of the push cylinder, a push rod is installed at the notch of the cavity seat, a spring is installed on the outer wall of the push rod, and the front end of the spring is fixedly connected to the front end of the inner cavity of the push cylinder.

[0006] As a further solution of the present invention: a rack is fixedly connected to the top of the push rod, and a rotating shaft is engaged with the outer wall of the rack. The rotating shaft is installed at the central part of the rotating wheel.

[0007] As a further solution of the present invention: an outer frame is installed on the outer wall of the rotating wheel. A front frame is fixedly connected to the top of the outer frame. A swing head and a rotating wheel are respectively installed within the frame of the front frame. A tooth column is fixedly connected to the eccentric part at the bottom of the rotating wheel.

[0008] As a further solution of the present invention: a squeezing head is fixedly connected to the front end of the inner cavity of the material guiding pipe. A discharge head is installed at one end of the inner cavity of the scraping disc away from the material guiding pipe. Circular holes are formed on the surface of the discharge end of the scraping disc.

[0009] As a further solution of the present invention: separation strips are installed around the inner cavity of the heat conducting cylinder. A closing block is installed at the bottom of the separation strip, and the closing block is located between the inner wall of the heat conducting cylinder and the heating wire.

[0010] As a further solution of the present invention: an arc-shaped insert block is installed on one side of the arc-shaped insert block close to the first arc block. An arc-shaped opening is formed on one side of the first arc block close to the arc-shaped insert block, and the arc-shaped insert block is inserted into the arc-shaped opening.

[0011] Compared with the prior art, the beneficial effects of the present invention are: In the present invention, wind energy enters the conduit and pushes the push rod at the notch of the cavity seat forward, so that a gap is left between the cavity seat and the push rod for the wind energy to be discharged from the opposite side of the conduit into the inner cavity of the heat conducting cylinder. However, the direction of the wind is vertical and cannot evenly disperse the heat generated by the heat conducting cylinder.

[0012] In the present invention, after pushing the push rod forward, the rack connected to the front end of the push rod drives the rotating shaft engaged with the central part of the rotating wheel to rotate, and drives the rotating wheel to rotate. The outer frame and the swing head connected to the outer wall of the rotating wheel will rotate, and press the heating wire closer to the first arc block and the second arc block, shortening the distance and increasing the temperature. At the same time, the rotating wheel installed at the frame part of the outer frame will also rotate after receiving the rotation of the rotating wheel. Blades are installed at the central part of the rotating wheel to change the direction of the air duct in the inner cavity of the heat conducting cylinder, so that the wind energy is evenly distributed in the inner cavity of the heat conducting cylinder. Its structure is more optimized and the design is more reasonable. Description of the Drawings

[0013] Figure 1 It is a structural schematic diagram of a granulation melting device for recycling waste plastics.

[0014] Figure 2 It is an exploded view of a granulation melting device for recycling waste plastics.

[0015] Figure 3It is an assembly drawing of a heat conduction cylinder in a granulation melting device for recycling waste plastics.

[0016] Figure 4 It is a structural diagram of a heat conduction cylinder in a granulation melting device for recycling waste plastics.

[0017] Figure 5 It is a front view of a heat conduction cylinder in a granulation melting device for recycling waste plastics.

[0018] Figure 6 It is in a granulation melting device for recycling waste plastics Figure 5 An enlarged view of part A.

[0019] Figure 7 It is an assembly drawing of a rotating wheel in a granulation melting device for recycling waste plastics.

[0020] Figure 8 It is a sectional view of a granulation melting device for recycling waste plastics.

[0021] In the figure: base plate 1, pulley 2, bearing pipe 3, feeding box 4, arc block 1 5, arc block 2 6, arc-shaped insert block 7, lock nut 8, material guiding pipe 9, extrusion head 10, discharge head 11, scraping plate 12, screw 13, pushing cylinder 14, rotating wheel 15, conduit 16, cavity seat 17, push rod 18, spring 19, wheel seat 20, rack 21, swinging head 22, outer frame 23, external connection block 24, heat conduction cylinder 25, separation strip 26, upper block 1 27, lower block 2 28, power connection seat 29, heating wire seat 30, heating wire 31, connector 32, connecting pin 33, cross bar 34, front frame 35, rotating wheel 36, tooth column 37, rotating shaft 38, fan 39. Specific implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 to 8, in the embodiment of the present invention, a granulation melting device for recycling waste plastics includes a substrate 1, a pulley 2 fixedly connected to the substrate 1, a bearing pipe 3 installed at the driving part of the pulley 2, a screw 13 installed at the driving end of the bearing pipe 3, a feeding pipe 9 for sealing the screw 13, an arc block two 6 and an arc block one 5 respectively installed on the outer wall of the feeding pipe 9, and a heat conducting cylinder 25 installed on the outer walls of the arc block one 5 and the arc block two 6. A feeding box 4 is installed at the feeding end of the outer wall of the feeding pipe 9, a scraping plate 12 is installed at the discharging end of the feeding pipe 9, external connection blocks 24 are fixedly connected to both the upper and lower parts of the outer wall of the heat conducting cylinder 25, an upper block one 27 and a lower block two 28 are respectively fixedly connected to the two groups of external connection blocks 24, an electricity connection seat 29 is arranged between the upper block one 27 and the lower block two 28, the two groups of electricity connection seats 29 are installed on the left and right sides of the outer wall of the heat conducting cylinder 25, a blower 39 is installed at the lower part of the outer wall of the heat conducting cylinder 25, the air outlet end of the blower 39 penetrates through the bottom of the heat conducting cylinder 25 and extends into the interior of the heat conducting cylinder 25, a heating wire seat 30 is installed in the inner cavity of the electricity connection seat 29, a connector 32 is installed at one end of the heating wire seat 30, a heating wire 31 is telescopically connected to the front end of the connector 32, a cross bar 34 is fixedly connected to the upper surface of the outer wall of the heating wire 31, a cap is installed on the upper surface of the cross bar 34, a receiving pin 33 is installed on the inner wall of the heat conducting cylinder 25, the receiving pin 33 is threadedly installed with the cap, and a push cylinder 14 and a rotating wheel 15 are also arranged between the heating wire 31 and the inner wall of the heat conducting cylinder 25.

[0024] A conduit 16 is installed on the lower surface of the bottom of the push cylinder 14, a cavity seat 17 is installed at the bottom of the inner cavity of the push cylinder 14, a push rod 18 is installed at the notch part of the cavity seat 17, a spring 19 is installed on the outer wall of the push rod 18, and the front end of the spring 19 is fixedly connected to the front end of the inner cavity of the push cylinder 14.

[0025] The top of the push rod 18 is fixedly connected to a rack 21, and a rotating shaft 38 is meshed with the outer wall of the rack 21. The rotating shaft 38 is installed at the central part of the rotating wheel 15.

[0026] An outer frame 23 is installed on the outer wall of the rotating wheel 15, a front frame 35 is fixedly connected to the top of the outer frame 23, a swing head 22 and a rotating wheel 36 are respectively installed in the frame of the front frame 35, and a tooth column 37 is fixedly connected to the eccentric part at the bottom of the rotating wheel 36.

[0027] An extrusion head 10 is fixedly connected to the front end of the inner cavity of the feeding pipe 9, a discharging head 11 is installed at the end of the inner cavity of the scraping plate 12 far away from the feeding pipe 9, and a round hole is opened on the discharging end surface of the scraping plate 12.

[0028] Separation strips 26 are installed on the periphery of the inner cavity of the heat conducting cylinder 25, a sealing block is installed at the bottom of the separation strip 26, and the sealing block is located between the inner wall of the heat conducting cylinder 25 and the heating wire 31.

[0029] One side of the arc-shaped insert block 7 close to the first arc block 5 is provided with the arc-shaped insert block 7. An arc-shaped opening is formed on one side of the first arc block 5 close to the arc-shaped insert block 7, and the arc-shaped insert block 7 is inserted into the arc-shaped opening.

[0030] The working principle of the present invention is as follows: During use, the broken plastic melt is introduced into the guide pipe 9 through the feeding box 4. The pulley 2 is controlled to rotate, driving the screw 13 installed at the axial center of the bearing pipe 3 to rotate in the inner cavity of the guide pipe 9; After the plastic enters the guide pipe 9 through the feeding box 4, the power connection base 29 is turned on at this time to heat up the heating wire seat 30 and the heating wire 31 locked to one end of the heating wire seat 30, and heat the second arc block 6 and the arc-shaped insert block 7 in the inner cavity of the heat conduction cylinder 25. At the same time, the second arc block 6 and the arc-shaped insert block 7 are assembled on the outer wall of the guide pipe 9 to realize the temperature rise of the guide pipe 9, and the plastic inside the guide pipe 9 is heated up to prevent the molten plastic in the guide pipe 9 from solidifying at a low temperature; When the fan 39 is turned on, the wind energy enters the conduit 16 and pushes the push rod 18 at the notch of the cavity seat 17 forward, so that a gap is left between the cavity seat 17 and the push rod 18 for the wind energy to be discharged from the opposite side of the conduit 16 into the inner cavity of the heat conduction cylinder 25. However, the direction of the wind is perpendicular and cannot evenly disperse the heat generated by the heat conduction cylinder 25; After the push rod 18 is pushed forward, the rack 21 connected to the front end of the push rod 18 drives the rotating shaft 38 meshed with the axis of the rotating wheel 15 to rotate, and drives the rotating wheel 15 to rotate. The outer frame 23 and the swing head 22 connected to the outer wall of the rotating wheel 15 will rotate, and the heating wire 31 will be close to the first arc block 5 and the second arc block 6, shortening the distance and increasing the temperature; At the same time, the rotating wheel 36 installed on the frame of the outer frame 23 will also rotate after receiving the rotation of the rotating wheel 15. Blades are installed at the axial center of the rotating wheel 36 to change the direction of the air duct in the inner cavity of the heat conduction cylinder 25, so that the wind energy can be evenly distributed in the inner cavity of the heat conduction cylinder 25.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waste plastic recycling granulation and melting device, comprising a base plate (1), a pulley (2) fixedly connected to the base plate (1), a bearing tube (3) mounted on the driving part of the pulley (2), a screw (13) mounted on the driving end of the bearing tube (3), a material guide tube (9) for sealing the screw (13), arc blocks 2 (6) and 1 (5) respectively mounted on the outer wall of the material guide tube (9), and a heat conduction tube (25) mounted on the outer wall of the arc block 1 (5) and the arc block 2 (6), characterized in that: A feeding box (4) is installed at the feeding end of the outer wall of the material guide tube (9), and a scraper plate (12) is installed at the discharging end of the material guide tube (9). The upper and lower parts of the outer wall of the heat-conducting tube (25) are fixedly connected with external blocks (24), and two groups of the external blocks (24) are respectively fixedly connected with an upper block 1 (27) and a lower block 2 (28). An electric connection seat (29) is arranged between the upper block 1 (27) and the lower block 2 (28). The two groups of the electric connection seats (29) are installed on the left and right sides of the outer wall of the heat-conducting tube (25). A fan (39) is installed at the lower part of the outer wall of the heat-conducting tube (25), and the air outlet end of the fan (39) passes through the heat-conducting tube (25). ) and extends to the interior of the heat-conducting tube (25); a heating wire seat (30) is installed in the inner cavity of the power socket (29); a joint (32) is installed at one end of the heating wire seat (30); a heating wire (31) is telescopically connected to the front end of the joint (32); a cross bar (34) is fixedly connected to the upper surface of the outer wall of the heating wire (31); a head is installed on the upper surface of the cross bar (34); a connecting pin (33) is installed on the inner wall of the heat-conducting tube (25); the connecting pin (33) is threadedly installed with the head; a push cylinder (14) and a rotating wheel (15) are also provided between the heating wire (31) and the inner wall of the heat-conducting tube (25).

2. The waste plastic recycling granulation and melting device according to claim 1 is characterized by: A conduit (16) is installed on the lower surface of the bottom of the push cylinder (14), a cavity seat (17) is installed at the bottom of the inner cavity of the push cylinder (14), a push rod (18) is installed at the notch of the cavity seat (17), a spring (19) is installed on the outer wall of the push rod (18), and the front end of the spring (19) is fixedly connected to the front end of the inner cavity of the push cylinder (14).

3. The waste plastic recycling granulation and melting device according to claim 2 is characterized by: The top of the push rod (18) is fixedly connected to a rack (21), the outer wall of the rack (21) is toothed with a rotating shaft (38), and the rotating shaft (38) is installed at the axial center of the rotating wheel (15).

4. The waste plastic recycling granulation and melting device according to claim 1 is characterized by: An outer frame (23) is installed on the outer wall of the rotating wheel (15), a front frame (35) is fixedly connected to the top of the outer frame (23), a swing head (22) and a rotating wheel (36) are respectively installed in the frame of the front frame (35), and a tooth column (37) is fixedly connected to the eccentric portion of the bottom of the rotating wheel (36).

5. The waste plastic recycling granulation and melting device according to claim 1 is characterized by: The front end of the inner cavity of the material guide pipe (9) is fixedly connected to an extrusion head (10), and the end of the inner cavity of the scraper plate (12) away from the material guide pipe (9) is equipped with a discharge head (11), and the surface of the discharge end of the scraper plate (12) is provided with a circular hole.

6. The waste plastic recycling granulation and melting device according to claim 1 is characterized by: Separation strips (26) are installed around the inner cavity of the heat-conducting tube (25), and a closing block is installed at the bottom of the separation strip (26), and the closing block is located between the inner wall of the heat-conducting tube (25) and the heating wire (31).

7. The waste plastic recycling granulation and melting device according to claim 1 is characterized by: An arc-shaped plug-in block (7) is installed on one side of the arc-shaped plug-in block (7) close to the arc-shaped block one (5), an arc-shaped opening is provided on one side of the arc-shaped plug-in block (5) close to the arc-shaped plug-in block (7), and the arc-shaped plug-in block (7) is plugged into the arc-shaped opening.

Citation Information

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