Melting device for plastic particle processing

Abstract

The utility model relates to the technical field of plastic particle melting, in particular to a melting device for plastic particle processing, which comprises a support plate, a mounting groove is formed in the top of the support plate, a melting barrel is rotatably connected in the mounting groove, an L-shaped frame is connected to the top of the support plate, a stirring and cleaning mechanism is arranged on the L-shaped frame, and the stirring and cleaning mechanism is connected with the mounting groove. Under the action of a melting barrel, a stirring and cleaning mechanism, a driving mechanism and an auxiliary gear, molten plastic particles can be stirred, molten materials attached to the inner wall of the melting barrel can be scraped, the position of a connecting frame can be flexibly adjusted, a scraping plate can be moved out of the melting barrel to be cleaned and maintained when not in use, and the practicability is high. When used, the scraper enters the melting barrel, the scraper is prevented from being soaked in high-temperature plastic melt for a long time, workers do not need to enter the melting barrel to maintain and clean the scraper, and therefore the cleaning effect of the scraper on the inner wall of the melting barrel is improved, and the labor burden of operation of the workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic particle melting technical field, specifically for a kind of melting device for plastic particle processing. BACKGROUND

[0002] Plastic particle refers to granular plastic, and plastic particle melting is obtained by melting various plastic waste particles at high temperature, so that plastic raw materials in molten state can be obtained, and various plastic products with different shapes can be produced by injection molding of the plastic raw materials, so the melting device is needed to melt plastic.

[0003] The conventional melting device for plastic particle processing still has some deficiencies, in order to speed up the mixing efficiency of plastic particles and facilitate cleaning of the melting barrel, a scraper and a stirring rod are usually installed inside the melting barrel of the melting device. Since the scraper is integrated with the stirring rod, the scraper is immersed in the molten material at high temperature for a long time, which causes the molten material to adhere to the surface of the scraper, thereby affecting the cleaning effect of the scraper on the melting barrel. At the same time, the scraper installed inside the melting barrel is not convenient to clean and maintain, which requires the worker to enter the inside of the melting barrel for maintenance, thereby increasing the labor burden of the worker. Therefore, we propose a melting device for plastic particle processing. SUMMARY

[0004] Based on the deficiencies of the prior art mentioned in the above background technology, the present utility model provides a melting device for plastic particle processing.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] A melting device for plastic particle processing, comprising: a support plate, an installation slot is formed in the top of the support plate, a melting barrel is rotatably connected inside the installation slot, an L-shaped frame is connected to the top of the support plate, a stirring and cleaning mechanism is provided on the L-shaped frame, and the stirring and cleaning mechanism extends into the inside of the melting barrel, a pinion is connected to the outer surface of the melting barrel, a driving mechanism is provided at the bottom of the support plate, and the driving mechanism extends to the top of the support plate and engages with the pinion, two sealing covers are hingedly connected to the top of the support plate, a recycling mechanism is provided on the outer surface of the melting barrel, and the recycling mechanism is connected to the top of one of the sealing covers, and a feed hopper is connected to the outer surface of the melting barrel.

[0007] As a further scheme of the present utility model: the stirring cleaning mechanism includes first motor, hollow shell, link groove, threaded rod and threaded block, the first motor is connected at the top of L-shaped frame inner wall, the hollow shell is connected at the bottom of first motor, and the one end of first motor output shaft extends to the inside of hollow shell, the link groove is opened in the outer surface of hollow shell, and the link groove is communicated with the inside of hollow shell, the threaded rod is rotatably connected at the bottom of hollow shell inner wall, and the top end of threaded rod is connected with the one end of first motor output shaft, the threaded block is screw connected at the outer surface of threaded rod.

[0008] As a further scheme of the present utility model: the stirring cleaning mechanism further includes connecting frame, scraper and multiple stirring rods, the connecting frame is connected at the outer surface of threaded block, and the connecting frame passes through link groove and extends to the outside of hollow shell, the scraper is connected at the outer surface of connecting frame, and the scraper is attached with the inner wall of melting bucket, multiple stirring rods are equidistantly connected at the outer surface of hollow shell.

[0009] As a further scheme of the present utility model: the driving mechanism includes support frame, second motor, connecting rod and main gear, the support frame is connected at the top of support plate, the second motor is connected at the bottom of support plate, and the one end of second motor output shaft extends to the top of support plate, the connecting rod is rotatably connected between support frame inner wall top and support plate top, and the bottom end of connecting rod is connected with the one end of second motor output shaft, the top end of connecting rod extends to the top of support frame, the main gear is connected at the top end of connecting rod, and the main gear is engaged with auxiliary gear.

[0010] As a further scheme of the present utility model: the recycling mechanism includes filter box, exhaust fan, connecting pipe, first hose and second hose, the filter box is connected at the outer surface of melting bucket, the exhaust fan is connected at the top of filter box, the connecting pipe is connected with the input end of exhaust fan, and the one end of connecting pipe extends to the inside of filter box, the first hose is connected at one side of filter box, and the one end of first hose extends to the top of melting bucket and is connected with the top of one of sealing covers, the second hose is connected with the output end of exhaust fan, and the one end of second hose extends to the top of melting bucket and is connected with the top of one of sealing covers.

[0011] As a further scheme of the present utility model: the recycling mechanism further includes two activated carbon filter screens and box door, two activated carbon filter screens are connected at the inside of filter box, and two activated carbon filter screens are located at the upper portion of the other end of first hose, the box door is hinged at the front of filter box.

[0012] As a further scheme of the present utility model: the bottom of melting bucket is connected with discharge pipe, and the bottom of support plate is connected with multiple support legs.

[0013] With the above structure, the present application has the following advantages compared with the prior art.

[0014] 1. In the present application, the molten plastic particles can be stirred, the molten material adhered to the inner wall of the melting barrel can be scraped, and the position of the connecting frame can be adjusted flexibly, so that the scraper can be conveniently removed from the outside of the melting barrel for cleaning and maintenance when not in use, and can enter the inside of the melting barrel when in use, avoiding the problem of surface adhesion of molten material and damage caused by long-term soaking in high-temperature plastic melt. The worker does not need to enter the inside of the melting barrel to maintain and clean the scraper, thereby improving the cleaning effect of the scraper on the inner wall of the melting barrel, and reducing the labor burden of the worker.

[0015] 2. In the present application, the waste gas inside the melting barrel can be sucked in for filtration treatment, and the filtered waste gas can be returned to the inside of the melting barrel, thereby recycling the waste heat in the waste gas, achieving effective utilization of the waste gas generated in the melting barrel, energy saving and environmental protection, improving the utilization rate of resources, and facilitating the installation and removal of the two activated carbon filter screens by opening the box door, thereby improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a schematic view of the overall structure of the present application;

[0017] Fig. 2 is a schematic view of the structure of the hot melting barrel;

[0018] Fig. 3 is a schematic view of the structure of the driving mechanism of the present application;

[0019] Fig. 4 is a schematic view of the structure of the stirring and cleaning mechanism of the present application;

[0020] Fig. 5 is a schematic view of the structure of the recycling mechanism of the present application.

[0021] In the figure: 1, support plate; 2, melting bucket; 3, L-shaped frame; 4, stirring cleaning mechanism; 401, first motor; 402, hollow shell; 403, connecting groove; 404, threaded rod; 405, threaded block; 406, connecting frame; 407, scraper; 408, stirring rod; 5, driving mechanism; 501, support frame; 502, second motor; 503, connecting rod; 504, main gear; 6, sub gear; 7, sealing cover; 8, recovery mechanism; 801, filter box; 802, exhaust fan; 803, connecting pipe; 804, first hose; 805, activated carbon filter screen; 806, second hose; 807, box door; 9, feed hopper; 10, discharge pipe; 11, support leg. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figs. 1-5 In the embodiments of the utility model, a melting device for plastic particle processing includes: a support plate 1, a mounting groove is formed in the top of the support plate 1, a melting bucket 2 is rotatably connected inside the mounting groove, an L-shaped frame 3 is connected to the top of the support plate 1, a stirring cleaning mechanism 4 is arranged on the L-shaped frame 3, and the stirring cleaning mechanism 4 extends into the inside of the melting bucket 2, a sub gear 6 is connected to the outer surface of the melting bucket 2, a driving mechanism 5 is arranged at the bottom of the support plate 1, and the driving mechanism 5 extends to the top of the support plate 1 and engages with the sub gear 6, two sealing covers 7 are hingedly connected to the top of the support plate 1, a recovery mechanism 8 is arranged on the outer surface of the melting bucket 2, and the recovery mechanism 8 is connected to the top of one of the sealing covers 7, and a feed hopper 9 is connected to the outer surface of the melting bucket 2.

[0025] Specifically, after the plastic particles are poured into the inside of the melting barrel 2 through the feeding hopper 9, the plastic particles are heated by the heating assembly in the inside of the melting barrel 2, the driving mechanism 5 is started to drive the transmission gear 6 to drive the melting barrel 2 to rotate, the melting barrel 2 drives the plastic particles to move continuously and contact the stirring and cleaning mechanism 4, so that the stirring and cleaning mechanism 4 stirs the plastic particles, then the stirring and cleaning mechanism 4 is started to descend to the inside of the melting barrel 2 and adhere to the inner wall of the melting barrel 2, the driving mechanism 5 is started again to drive the melting barrel 2 to rotate again, so that the melting barrel 2 contacts the stirring and cleaning mechanism 4, the molten material attached to the inner wall of the melting barrel 2 is scraped off, the cleaning of the inner wall of the melting barrel 2 is completed, and the waste gas generated when the plastic particles in the inside of the melting barrel 2 are melted is sucked into the recycling mechanism 8, and after filtration, the gas with hot gas is returned to the inside of the melting barrel 2, so that the waste gas generated in the melting barrel 2 is effectively utilized.

[0026] Embodiment 2:

[0027] Please refer to Figs. 3-4 In the embodiment of the utility model, a kind of stirring and cleaning mechanism 4, first motor 401 is connected in the top of the inner wall of L-shaped frame 3, hollow shell 402 is connected in the bottom of first motor 401, and the one end of first motor 401 output shaft extends to the inside of hollow shell 402, link groove 403 is opened in the outer surface of hollow shell 402, and link groove 403 is communicated with the inside of hollow shell 402, threaded rod 404 is rotatably connected in the bottom of the inner wall of hollow shell 402, and the top end of threaded rod 404 is connected with the one end of first motor 401 output shaft, threaded block 405 is screw connected on the outer surface of threaded rod 404, stirring and cleaning mechanism 4 further includes connecting frame 406, scraper 407 and multiple stirring rods 408, connecting frame 406 is connected on the outer surface of threaded block 405, and connecting frame 406 passes through link groove 403 and extends to the outside of hollow shell 402, scraper 407 is connected on the outer surface of connecting frame 406, and scraper 407 adheres to the inner wall of melting barrel 2, multiple stirring rods 408 are equidistantly connected on the outer surface of hollow shell 402, driving mechanism 5 includes support frame 501, second motor 502, connecting rod 503 and main gear 504, support frame 501 is connected in the top of support plate 1, second motor 502 is connected in the bottom of support plate 1, and the one end of second motor 502 output shaft extends to the top of support plate 1, connecting rod 503 is rotatably connected between the top of the inner wall of support frame 501 and the top of support plate 1, and the bottom end of connecting rod 503 is connected with the one end of second motor 502 output shaft, the top end of connecting rod 503 extends to the top of support frame 501, main gear 504 is connected in the top end of connecting rod 503, and main gear 504 is engaged with auxiliary gear 6.

[0028] Specifically, the second motor 502 output shaft drives the main gear 504 to rotate through the connecting rod 503, the main gear 504 drives the melting barrel 2 to rotate through the transmission gear 6, so that the melting barrel 2 drives the plastic particles to rotate, and the plastic particles contact the plurality of stirring rods 408, thereby completing the stirring of the plastic particles, the first motor 401 output shaft drives the threaded rod 404 to rotate, the threaded block 405 is screwed down and drives the connecting frame 406 to descend to the inside of the melting barrel 2, so that the scraper 407 is attached to the inner wall of the melting barrel 2, and then the above-mentioned driving mechanism 5 is repeated to drive the melting barrel 2 to rotate, so that the inner wall of the melting barrel 2 can contact the scraper 407, and the molten material on the inner wall of the melting barrel 2 can be scraped off.

[0029] Embodiment 3:

[0030] Please refer to Figs. 1-5 In the embodiment of the utility model, a kind of melting device for plastic particle processing, recovery mechanism 8 includes filter box 801, exhaust fan 802, connecting pipe 803, first hose 804 and second hose 806, filter box 801 is connected at the outer surface of melting barrel 2, exhaust fan 802 is connected at the top of filter box 801, connecting pipe 803 is connected with the input end of exhaust fan 802, and one end of connecting pipe 803 extends to the inside of filter box 801, first hose 804 is connected at one side of filter box 801, and one end of first hose 804 extends to the top of melting barrel 2 and is connected with the top of one of sealing cover 7, second hose 806 is connected with the output end of exhaust fan 802, and one end of second hose 806 extends to the top of melting barrel 2 and is connected with the top of one of sealing cover 7, recovery mechanism 8 further includes two activated carbon filter screens 805 and box door 807, two activated carbon filter screens 805 are connected in the inside of filter box 801, and two activated carbon filter screens 805 are located in the upper portion of the other end of first hose 804, box door 807 is hinged in the front of filter box 801, the bottom of melting barrel 2 is connected with discharge pipe 10, and the bottom of support plate 1 is connected with multiple support legs 11.

[0031] Specifically, start exhaust fan 802, and the negative pressure of one end of first hose 804 is inhaled into the inside of filter box 801, and the particles in waste gas are adsorbed through two activated carbon filter screens 805, and finally filtered gas with heat is again flowed into the inside of melting barrel 2 through connecting pipe 803 and second hose 806, so that the use of hot gas can be completed, and the material in the inside of melting barrel 2 can be discharged by opening the valve on discharge pipe 10, and the stability of the device during work can be improved by the arrangement of multiple support legs 11.

[0032] The working principle of the utility model is: the staff pours the plastic particles into the inside of the supporting plate 1 through the feeding hopper 9, then under the action of the heating assembly in the inside of the melting bucket 2, starts to heat and melt the plastic particles, when needing to stir the plastic particles in the inside of the melting bucket 2, starts the second motor 502, the output shaft of the second motor 502 drives the main gear 504 to rotate through the connecting rod 503, when the main gear 504 rotates, the transmission pinion 6 drives the melting bucket 2 to rotate, so that the melting bucket 2 can drive the plastic particles to rotate, so that the rotating plastic particles contact with the plurality of stirring rods 408, namely the mixing and stirring of the plastic particles can be completed, when needing to scrape off the molten material adhered on the inner wall of the melting bucket 2 after stirring, the staff opens the two sealing covers 7, removes the shielding of the top of the melting bucket 2, then starts the first motor 401, the output shaft of the first motor 401 drives the threaded rod 404 to rotate in the inside of the hollow shell 402, so that the threaded block 405 is screwed down on the outer surface of the threaded rod 404, and then the connecting frame 406 continuously descends under the action of the limiting in the connecting groove 403, until the connecting frame 406 descends to the inside of the melting bucket 2, at this time the scraper 407 is attached to the inner wall of the melting bucket 2, then the operation of the above-mentioned driving mechanism 5 is repeated, namely the melting bucket 2 is driven to rotate, so that the inner wall of the continuously rotating melting bucket 2 can contact with the scraper 407, namely the scraping of the molten material on the inner wall of the melting bucket 2 can be completed, the plastic particles in the inside of the melting bucket 2 can produce a large amount of waste gas when melting, the staff starts the air extractor 802, the input end of the air extractor 802 produces suction, so that one end of the first hose 804 produces negative pressure, the waste gas in the inside of the melting bucket 2 is sucked into the inside of the filter box 801 through the first hose 804, then the waste gas passes through the two activated carbon filter screens 805 in turn, the two activated carbon filter screens 805 can adsorb the particles in the waste gas, then the filtered gas with heat is returned to the inside of the melting bucket 2 through the connecting pipe 803 and the second hose 806 again, so that the utilization of the hot gas is completed.

[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model.

Claims

1. A melting device for processing plastic particles, characterized in that, Include: Supporting plate (1), the top of the supporting plate (1) is provided with a mounting groove, a molten barrel (2) is rotatably connected inside the mounting groove, an L-shaped frame (3) is connected to the top of the supporting plate (1), a stirring and cleaning mechanism (4) is arranged on the L-shaped frame (3), and the stirring and cleaning mechanism (4) extends into the inside of the molten barrel (2), a pinion (6) is connected to the outer surface of the molten barrel (2), a driving mechanism (5) is arranged at the bottom of the supporting plate (1), and the driving mechanism (5) extends to the top of the supporting plate (1) and is engaged with the pinion (6), two sealing covers (7) are hingedly connected to the top of the supporting plate (1), a recycling mechanism (8) is arranged on the outer surface of the molten barrel (2) and connected to the top of one of the sealing covers (7), and a feeding hopper (9) is connected to the outer surface of the molten barrel (2).

2. The melting device for plastic particle processing according to claim 1, characterized in that, The stirring and cleaning mechanism (4) comprises a first motor (401), a hollow shell (402), a connecting groove (403), a threaded rod (404) and a threaded block (405), the first motor (401) is connected to the top of the inner wall of the L-shaped frame (3), the hollow shell (402) is connected to the bottom of the first motor (401), and one end of the output shaft of the first motor (401) extends into the inside of the hollow shell (402), the connecting groove (403) is formed in the outer surface of the hollow shell (402) and communicates with the inside of the hollow shell (402), the threaded rod (404) is rotatably connected to the bottom of the inner wall of the hollow shell (402), and the top end of the threaded rod (404) is connected to one end of the output shaft of the first motor (401), and the threaded block (405) is threadedly connected to the outer surface of the threaded rod (404).

3. A melting device for processing plastic particles according to claim 2, characterized in that, The stirring and cleaning mechanism (4) further comprises a connecting frame (406), a scraper (407) and a plurality of stirring rods (408), the connecting frame (406) is connected to the outer surface of the threaded block (405) and extends to the outside of the hollow shell (402) through the connecting groove (403), the scraper (407) is connected to the outer surface of the connecting frame (406) and is in close contact with the inner wall of the molten barrel (2), and the plurality of stirring rods (408) are connected to the outer surface of the hollow shell (402) at equal intervals.

4. The melting device for plastic particles processing according to claim 1, characterized in that, The driving mechanism (5) comprises a support frame (501), a second motor (502), a connecting rod (503) and a main gear (504), the support frame (501) is connected at the top of the support plate (1), the second motor (502) is connected at the bottom of the support plate (1), and one end of the output shaft of the second motor (502) extends to the top of the support plate (1), the connecting rod (503) is rotatably connected between the inner wall top of the support frame (501) and the top of the support plate (1), and the bottom end of the connecting rod (503) is connected with one end of the output shaft of the second motor (502), the top end of the connecting rod (503) extends to the top of the support frame (501), and the main gear (504) is connected at the top end of the connecting rod (503) and meshes with the auxiliary gear (6).

5. The melting device for plastic particles processing according to claim 1, characterized in that, The recovery mechanism (8) comprises a filter box (801), an exhaust fan (802), a connecting pipe (803), a first hose (804) and a second hose (806), the filter box (801) is connected to the outer surface of the melting bucket (2), the exhaust fan (802) is connected to the top of the filter box (801), the connecting pipe (803) is connected with the input end of the exhaust fan (802), and one end of the connecting pipe (803) extends to the inside of the filter box (801), the first hose (804) is connected to one side of the filter box (801), and one end of the first hose (804) extends to the top of the melting bucket (2) and is connected with the top of one of the sealing covers (7), the second hose (806) is connected with the output end of the exhaust fan (802), and one end of the second hose (806) extends to the top of the melting bucket (2) and is connected with the top of one of the sealing covers (7).

6. A melting device for processing plastic particles according to claim 5, characterized in that, The recovery mechanism (8) further comprises two activated carbon filter screens (805) and a box door (807), both of the activated carbon filter screens (805) are connected inside the filter box (801), and both of the activated carbon filter screens (805) are located above the other end of the first hose (804), and the box door (807) is hinged to the front of the filter box (801).

7. The melting device for plastic particles processing according to claim 1, characterized in that, The bottom of the melting bucket (2) is connected with a discharge pipe (10), and the bottom of the support plate (1) is connected with a plurality of supporting legs (11).

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