Air drying and cooling device of plastic granulator

Abstract

The utility model relates to an air-drying and cooling device of a plastic granulator, which belongs to the technical field of plastic granulators and comprises a pre-cooling device body, a tank body arranged on the pre-cooling device body, a feeding pipe fixedly connected to the left side surface of the tank body and provided with one end penetrating through the tank body and extending into the tank body, and a cooling mechanism for cooling plastic particles, the cooling mechanism comprises two supporting plates fixedly connected to the interior of the tank body and four connecting rings placed in the tank body. According to the air-drying cooling device of the plastic granulator, cooling liquid is stored under the action of a connecting ring, then devices in the tank body are cooled, the cooling efficiency and the cooling effect are improved, a sealing plate is fixed through clearance fit between a fixing rod and a fixing hole, the stability of the sealing plate is improved, and meanwhile, the sealing plate is prevented from being damaged. And under the action of the water suction pump, the liquid inlet pipe and the liquid outlet pipe, cooling liquid is conveyed, circulation is achieved, the use cost is reduced, and more convenience and practicability are achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plastic granulators, in particular to a wind-drying cooling device of a plastic granulator. BACKGROUND

[0002] The plastic granulator is a mechanical device for melting and extruding plastic waste into regenerated plastic particles. The machine is widely used in the plastic recycling industry and can effectively convert waste plastic into reusable plastic particles. The working principle of the plastic granulator involves melting plastic waste and extruding it through a nozzle to form plastic particles. The extruded plastic coating needs to be cooled and shaped immediately to prevent deformation due to gravity.

[0003] A pre-cooling device for PVC pellet production is disclosed in Chinese patent CN214082256U. The patent discloses a technology for reducing air temperature. The existing air cooling system for cooling PVC pellets has the problem of high temperature air flow at the air outlet, which can cause burns if a worker passes through the air outlet.

[0004] During the implementation of the application, the inventors found that the device has at least the following problems. When in use, the device cools the plastic particles by gas, but the cooling efficiency is low, and when the temperature around the tank is high, the temperature of the air drawn cannot achieve the cooling of the particles, reducing the use effect. Therefore, a plastic granulator wind-drying cooling device is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In view of the shortcomings of the prior art, the plastic granulator wind-drying cooling device provided by the present application has the advantages of improving the cooling efficiency and solving the problem that the device cools the plastic particles by gas, but the cooling efficiency is low, and when the temperature around the tank is high, the temperature of the air drawn cannot achieve the cooling of the particles, reducing the use effect.

[0006] To achieve the above-mentioned cooling efficiency, the application provides the following technical scheme: a plastic granulator wind-drying cooling device, comprising a pre-cooling device body, a tank body arranged on the pre-cooling device body, a feed pipe fixedly connected to the left side of the tank body and extending into the tank body, and a cooling mechanism for cooling the plastic particles.

[0007] The cooling mechanism comprises two support plates fixedly connected to the inside of the tank body, four connecting rings placed in the inside of the tank body, a connecting pipe fixedly connected between two adjacent connecting rings and extending into the connecting ring, a connecting groove opened on the right side surface of the tank body, a sealing plate placed in the connecting groove, a connecting plate fixedly connected to the inside of the four connecting rings, a collecting groove opened on the top surface of the four connecting plates, a discharging groove opened on the bottom surface of the four connecting plates, a plurality of exhaust holes opened on the bottom surface of the four connecting plates, a positioning block fixedly connected to the inside of the connecting groove, a positioning groove opened on the bottom surface of the sealing plate and used for placing the positioning block, a guide plate fixedly connected to the left side surface of the sealing plate, a fixing assembly used for fixing the sealing plate, and a backflow assembly used for backflowing the liquid.

[0008] The sealing plate is fixed through the fixing assembly, the stability of the sealing plate is improved, the cooling liquid is backflowed through the backflow assembly, and the use cost is reduced.

[0009] Further, the connecting ring is a hollow circular ring, the two support plates are attached to the connecting ring at the bottom, the guide plate is inclined, and the bottom surface of the guide plate is attached to the top surface of the connecting ring at the top.

[0010] The beneficial effect of the above further scheme is that the cooling efficiency is improved through the storage of the cooling liquid by the connecting ring.

[0011] Further, the collecting groove is a trapezoidal groove, the collecting groove and the discharging groove are communicated, the plurality of exhaust holes are communicated with the collecting groove, and the positioning block is attached to the positioning groove.

[0012] The beneficial effect of the above further scheme is that the use effect is improved through the collection of the particles by the collecting groove.

[0013] Further, the fixing assembly comprises a fixing plate fixedly connected to the top surface of the tank body, a mounting plate fixedly connected to the top surface of the fixing plate, a driving rod rotatably connected to the right surface of the mounting plate through a bearing, a screw rod movably connected to the right surface of the driving rod and extending into the inside of the driving rod at one end, a linkage plate fixedly connected to the right surface of the screw rod, a linkage rod fixedly connected to the right surface of the linkage plate, a baffle fixedly connected to the left surface of the linkage rod, a fixing rod fixedly connected to the left surface of the baffle, a fixing hole opened on the right surface of the sealing plate and used for placing the fixing rod, a sliding plate fixedly connected to the left surface of the linkage plate, and a sliding groove opened on the top surface of the fixing plate and used for placing the sliding plate.

[0014] The beneficial effect of the further scheme is that the sealing plate is fixed through the cooperation between the fixed rod and the fixed hole, and the stability of the sealing plate is improved.

[0015] Further, the right side surface of the driving rod is provided with a threaded hole, the screw rod extends into the threaded hole and is screwed with the threaded hole, the linkage rod is a U-shaped rod, and the baffle and the sealing plate are attached.

[0016] The beneficial effect of the further scheme is that the baffle is moved through the threaded connection between the driving rod and the screw rod, and the staff can operate conveniently.

[0017] Further, the fixed rod and the fixed hole are gap matched, the sliding plate is an L-shaped plate, and the sliding plate and the sliding groove are slidingly connected.

[0018] The beneficial effect of the further scheme is that the linkage plate is supported through the sliding connection between the sliding plate and the sliding groove, and the stability of the linkage plate is improved.

[0019] Further, the backflow assembly comprises a collection bin placed on the right side of the tank body, a water suction pump fixedly installed on the left side surface of the collection bin, a liquid inlet pipe fixedly installed on the input end of the water suction pump and extending through one end of the collection bin and extending into the inside of the collection bin, an installation pipe fixedly connected to the right inner wall of the connecting ring on the bottom and extending through one end of the connecting ring and extending to the right side of the sealing plate, a backflow pipe fixedly connected to the right inner wall of the connecting ring on the top and extending through one end of the connecting ring and the sealing plate and extending to the top of the collection bin, and a liquid outlet pipe fixedly installed on the water outlet end of the water suction pump and extending into the inside of the installation pipe, and the liquid outlet pipe and the installation pipe are fixedly connected.

[0020] The beneficial effect of the further scheme is that the liquid is sucked through the action of the water suction pump, and the staff can operate conveniently.

[0021] Further, the backflow pipe is an L-shaped pipe, and the installation pipe and the backflow pipe are fixedly connected with the sealing plate.

[0022] The beneficial effect of the further scheme is that the liquid is transported through the action of the backflow pipe, the liquid is conveniently backflowed into the inside of the collection bin, and the application is more convenient and practical.

[0023] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0024] The plastic granulator air-drying cooling device stores the cooling liquid through the action of the connecting ring, and then cools the device inside the tank body, improves the cooling efficiency and cooling effect, fixes the sealing plate through the gap cooperation between the fixed rod and the fixed hole, improves the stability of the sealing plate, and at the same time, the cooling liquid is transported through the action of the water pump, the liquid inlet pipe and the liquid outlet pipe, realizes circulation, reduces the use cost, and is more convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic diagram of the utility model;

[0026] Figure 2 It is an enlarged schematic diagram of the internal structure of the tank body in the structure of the utility model;

[0027] Figure 3 It is Figure 2 An enlarged schematic diagram of the structure of A in the middle;

[0028] Figure 4 It is Figure 2 An enlarged schematic diagram of the structure of B in the middle;

[0029] Figure 5 It is a top view schematic diagram of the sliding plate in the structure of the utility model.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, pre-cooling device body;2, feed pipe;3, tank body;4, fixed plate;5, mounting plate;6, linkage plate;7, linkage rod;8, return pipe;9, collection bin;10, water pump;11, liquid inlet pipe;12, liquid outlet pipe;13, connecting ring;14, connecting plate;15, exhaust hole;16, collection groove;17, discharge groove;18, drive rod;19, guide plate;20, sealing plate;21, connecting groove;22, mounting pipe;23, connecting pipe;24, support plate;25, positioning groove;26, positioning block;27, screw;28, sliding groove;29, baffle;30, fixed hole;31, fixed rod;32, sliding plate. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of protection of the utility model.

[0033] Please refer to Figures 1 to 3The plastic granulator air drying cooling device in the embodiment comprises a precooling device body 1, a tank body 3 arranged on the precooling device body 1, a feeding pipe 2 fixedly connected to the left side of the tank body 3 and extending into the tank body 3, and a cooling mechanism for cooling the plastic particles.

[0034] The cooling mechanism comprises two support plates 24 fixedly connected to the inside of the tank body 3, four connecting rings 13 placed in the tank body 3, a connecting pipe 23 fixedly connected between two adjacent connecting rings 13 and extending into the connecting ring 13, a connecting groove 21 opened on the right side of the tank body 3, a sealing plate 20 placed in the connecting groove 21, a connecting plate 14 fixedly connected to the inside of the four connecting rings 13, a collecting groove 16 opened on the top surface of the four connecting plates 14, a discharging groove 17 opened on the bottom surface of the four connecting plates 14, a plurality of exhaust holes 15 opened on the bottom surface of the four connecting plates 14, a positioning block 26 fixedly connected to the inside of the connecting groove 21, a positioning groove 25 opened on the bottom surface of the sealing plate 20 and used for placing the positioning block 26, a guide plate 19 fixedly connected to the left side of the sealing plate 20, a fixing assembly used for fixing the sealing plate 20, and a backflow assembly used for backflowing the liquid, the connecting ring 13 is a hollow ring in shape, the two support plates 24 are in contact with the bottom connecting ring 13, the guide plate 19 is inclined, the bottom surface of the guide plate 19 is in contact with the top surface of the top connecting ring 13, the collecting groove 16 is a trapezoidal groove, the collecting groove 16 and the discharging groove 17 are in communication, the plurality of exhaust holes 15 are in communication with the collecting groove 16, and the positioning block 26 is in contact with the positioning groove 25.

[0035] It should be noted that the precooling device body 1 is a conventional device known to the public in the prior art, and the specific structure and working principle thereof will not be described herein.

[0036] Specifically, the sealing plate 20 is pushed, the sealing plate 20 drives the connecting ring 13 to enter the inside of the tank body 3, the sealing plate 20 is inserted into the inside of the connecting groove 21, the positioning block 26 is inserted into the inside of the positioning groove 25, the sealing plate 20 is supported through the contact between the positioning block 26 and the positioning groove 25, the bottom connecting ring 13 is in contact with the support plate 24 to support the connecting ring 13 and improve the stability of the connecting ring 13, the cooling liquid is filled into the inside of the four connecting rings 13 to cool the connecting plate 14, the plastic particles enter the inside of the tank body 3 through the conveying of the feeding pipe 2, the air blows and cools the particles through the exhaust holes 15, and the particles are discharged from the tank body 3 through the collecting groove 16 and the discharging groove 17.

[0037] Please refer to Figure 2 , Figure 4 and Figure 5In the embodiment, the fixing assembly comprises a fixing plate 4 fixedly connected to the top surface of the tank body 3, a mounting plate 5 fixedly connected to the top surface of the fixing plate 4, a driving rod 18 rotatably connected to the right surface of the mounting plate 5 through a bearing, a screw rod 27 movably connected to the right surface of the driving rod 18 and extending into the driving rod 18 at one end, a linkage plate 6 fixedly connected to the right surface of the screw rod 27, a linkage rod 7 fixedly connected to the right surface of the linkage plate 6, a baffle 29 fixedly connected to the left surface of the linkage rod 7, a fixing rod 31 fixedly connected to the left surface of the baffle 29, a fixing hole 30 formed in the right surface of the sealing plate 20 and used for placing the fixing rod 31, a sliding plate 32 fixedly connected to the left surface of the linkage plate 6, and a sliding groove 28 formed in the top surface of the fixing plate 4 and used for placing the sliding plate 32. A threaded hole is formed in the right surface of the driving rod 18, and the screw rod 27 extends into the threaded hole and is threadedly connected with the threaded hole. The linkage rod 7 is a U-shaped rod. The baffle 29 is attached to the sealing plate 20. The fixing rod 31 is in clearance fit with the fixing hole 30. The sliding plate 32 is an L-shaped plate. The sliding plate 32 is in sliding connection with the sliding groove 28.

[0038] Specifically, the driving rod 18 is rotated. The driving rod 18 rotates. The screw rod 27 is moved by the linkage plate 6, the linkage rod 7 is moved by the linkage plate 6, the baffle 29 is moved by the linkage rod 7, the baffle 29 is attached to the sealing plate 20, and the fixing rod 31 is inserted into the fixing hole 30 by the clearance fit between the fixing rod 31 and the fixing hole 30. The sealing plate 20 is fixed.

[0039] Please refer to Figures 1 to 2 In the embodiment, the backflow assembly comprises a collection bin 9 placed on the right side of the tank body 3, a water suction pump 10 fixedly installed on the left surface of the collection bin 9, a liquid inlet pipe 11 fixedly connected to the input end of the water suction pump 10 and extending into the collection bin 9 at one end, an installation pipe 22 fixedly connected to the right inner wall of the connecting ring 13 at the bottom and extending into the right side of the sealing plate 20 at one end, a backflow pipe 8 fixedly connected to the right inner wall of the connecting ring 13 at the top and extending into the top of the collection bin 9 at one end, and a liquid outlet pipe 12 fixedly installed on the water outlet end of the water suction pump 10 and extending into the installation pipe 22 at one end. The liquid outlet pipe 12 and the installation pipe 22 are fixedly connected. The backflow pipe 8 is an L-shaped pipe. The installation pipe 22 and the backflow pipe 8 are fixedly connected to the sealing plate 20.

[0040] It should be noted that the water suction pump 10 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described herein. The liquid outlet pipe 12 is a flexible pipe.

[0041] Specific, start the water pump 10, water pump 10 through the effect of liquid inlet pipe 11, the cooling liquid inside the water pump 10 is extracted, and then through the delivery of liquid outlet pipe 12 and installation pipe 22, into the bottom of the connection ring 13 inside, and then through the delivery of backflow pipe 8, the liquid back into the collection bin 9 inside.

[0042] The electrical components in the text are electrically connected with the controller and the power supply. The control mode of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming of those skilled in the art. The power supply is also a common knowledge in the art. And the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model are not explained in detail.

[0043] The working principle of the above embodiment is as follows:

[0044] Push the sealing plate 20, the sealing plate 20 is driven into the inside of the tank body 3 through the installation pipe 22 and the backflow pipe 8, the sealing plate 20 is inserted into the inside of the connecting groove 21, the positioning block 26 is inserted into the inside of the positioning groove 25, the sealing plate 20 is supported by the fit between the positioning block 26 and the positioning groove 25, the bottom connecting ring 13 and the supporting plate 24 are fitted, the connecting ring 13 is supported, the stability of the connecting ring 13 is improved, the drive rod 18 is rotated, the screw rod 27 is moved by the linkage plate 6 through the threaded connection between the drive rod 18 and the screw rod 27 and the sliding connection between the sliding plate 32 and the sliding groove 28, the linkage rod 7 is moved by the linkage plate 6, the baffle 29 is moved by the linkage rod 7, the baffle 29 and the sealing plate 20 are fitted, the fixing rod 31 is inserted into the inside of the fixing hole 30, the sealing plate 20 is fixed by the gap fit between the fixing rod 31 and the fixing hole 30, the water pump 10 is started, the cooling liquid inside the water pump 10 is extracted by the effect of the liquid inlet pipe 11, and then transported into the inside of the bottom connecting ring 13 through the delivery of the liquid outlet pipe 12 and the installation pipe 22, the cooling liquid is filled into the inside of the four connecting rings 13 through the effect of the connecting pipe 23, the connecting plate 14 is cooled, and then the liquid is backflowed into the inside of the collection bin 9 through the delivery of the backflow pipe 8, the plastic particles are transported into the inside of the tank body 3 through the delivery of the feeding pipe 2, the air is blown to the particles through the effect of the air vent 15, the particles are cooled, and the particles are discharged from the tank body 3 through the effect of the collection groove 16 and the discharge groove 17.

Claims

1. A plastic granulator air-drying cooling device, characterized by, The precooling device body (1), the tank body (3) arranged on the precooling device body (1), the feed pipe (2) fixedly connected to the left side of the tank body (3) and extending into the tank body (3), and the cooling mechanism for cooling the plastic particles; The cooling mechanism comprises two support plates (24) fixedly connected to the inside of the tank body (3), four connecting rings (13) arranged in the tank body (3), a connecting pipe (23) fixedly connected between two adjacent connecting rings (13) and extending into the connecting ring (13), a connecting groove (21) formed in the right side of the tank body (3), a sealing plate (20) arranged in the connecting groove (21), a connecting plate (14) fixedly connected to the inside of the four connecting rings (13), a collecting groove (16) formed in the top surface of the four connecting plates (14), a discharge groove (17) formed in the bottom surface of the four connecting plates (14), a plurality of exhaust holes (15) formed in the bottom surface of the four connecting plates (14), a positioning block (26) fixedly connected to the inside of the connecting groove (21), a positioning groove (25) formed in the bottom surface of the sealing plate (20) and used for arranging the positioning block (26), a guide plate (19) fixedly connected to the left side of the sealing plate (20), a fixing assembly for fixing the sealing plate (20), and a reflux assembly for refluxing liquid.

2. A plastic granulator air drying cooling device according to claim 1, characterized in that: The connecting ring (13) is a hollow ring, the two support plates (24) are in contact with the bottom connecting ring (13), the guide plate (19) is inclined, and the bottom surface of the guide plate (19) is in contact with the top surface of the top connecting ring (13).

3. A plastic pellet cooler as claimed in claim 2, wherein: The collecting groove (16) is a trapezoidal groove, the collecting groove (16) and the discharge groove (17) are communicated, the plurality of exhaust holes (15) are communicated with the collecting groove (16), and the positioning block (26) is in contact with the positioning groove (25).

4. A plastic granulator air drying cooling device according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (4) fixedly connected to the top surface of the tank body (3), a mounting plate (5) fixedly connected to the top surface of the fixing plate (4), a driving rod (18) rotatably connected to the right surface of the mounting plate (5) through a bearing, a screw rod (27) movably connected to the right surface of the driving rod (18) and extending into the inside of the screw rod (27), a linkage plate (6) fixedly connected to the right surface of the screw rod (27), a linkage rod (7) fixedly connected to the right surface of the linkage plate (6), a baffle (29) fixedly connected to the left surface of the linkage rod (7), a fixing rod (31) fixedly connected to the left surface of the baffle (29), a fixing hole (30) formed in the right surface of the sealing plate (20) and used for arranging the fixing rod (31), a sliding plate (32) fixedly connected to the left surface of the linkage plate (6), and a sliding groove (28) formed in the top surface of the fixing plate (4) and used for arranging the sliding plate (32).

5. A plastic pellet cooler as claimed in claim 4, wherein: The right side of the driving rod (18) is provided with a threaded hole, the screw rod (27) extends to the inside of the threaded hole and is screwed with it, the linkage rod (7) is a U-shaped rod, the baffle (29) and the sealing plate (20) are attached.

6. A plastic pellet cooler as claimed in claim 5, wherein: The fixed rod (31) and the fixed hole (30) are clearance fitted, the sliding plate (32) is an L-shaped plate, and the sliding plate (32) and the sliding groove (28) are slidingly connected.

7. A plastic pellet cooler as claimed in claim 4, wherein: The backflow assembly comprises a collection bin (9) placed on the right side of the tank body (3), a water suction pump (10) fixedly installed on the left side surface of the collection bin (9), a liquid inlet pipe (11) fixedly installed on the input end of the water suction pump (10) and extending through one end to the inside of the collection bin (9), an installation pipe (22) fixedly connected to the right inner wall of the connecting ring (13) at the bottom and extending through one end of the connecting ring (13) to the right side of the sealing plate (20), a backflow pipe (8) fixedly connected to the right inner wall of the connecting ring (13) at the top and extending through one end of the connecting ring (13) and the sealing plate (20) to the top of the collection bin (9), and a liquid outlet pipe (12) fixedly installed on the water outlet end of the water suction pump (10) and extending to the inside of the installation pipe (22), wherein the liquid outlet pipe (12) and the installation pipe (22) are fixedly connected.

8. A plastic pellet cooler as claimed in claim 7, wherein: The backflow pipe (8) is an L-shaped pipe, and the installation pipe (22) and the backflow pipe (8) are fixedly connected with the sealing plate (20).

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