Plastic particle cooling device

Abstract

The utility model discloses a plastic particle cooling device which comprises a conveying mechanism and a cooling mechanism, the conveying mechanism comprises a hopper, an air supply piece and a conveying pipe, and the air supply piece and the conveying pipe are both communicated with the discharging end of the hopper; the cooling mechanism comprises a cooling cylinder, at least one air blowing piece and a sleeve, a bent channel is formed in the cooling cylinder in the height direction, the top of the bent channel communicates with the conveying pipe, the bottom of the bent channel communicates with the discharging end of the cooling cylinder, and the sleeve fixedly sleeves the bottom of the cooling cylinder and is located below the bent channel; a cavity is defined between the sleeve and the peripheral side of the cooling cylinder, a plurality of air exhausting holes communicated with the cavity are formed in the peripheral side of the cooling cylinder, and at least one air blowing piece is communicated with the cavity. The problem that in the prior art, when plastic particles are stored under the condition of high temperature, the particles are prone to caking is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic cooling, in particular to a plastic particle cooling device. Background Art

[0002] The granulation process is a process of measuring, mixing, plasticizing and pelletizing polymer resin with various additives and auxiliary agents to make granular plastic. Plastic granules are semi-finished products of the plastic molding industry and are also raw materials for extrusion, injection molding, blow molding, foaming and other molding processes. Plastic granules have a high temperature when they are produced, so they need to be cooled.

[0003] There may be some disadvantages in the storage of plastic pellets. These disadvantages are mainly related to changes in the physical properties of the plastic pellets, storage environment conditions and long-term preservation. In particular, if the plastic pellets are stored without cooling, the pellets may clump, affecting the fluidity and processing performance during subsequent use. Utility Model Content

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a plastic granule cooling device to solve the problem in the prior art that plastic granules are easily agglomerated when stored at high temperatures.

[0005] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0006] The utility model provides a plastic particle cooling device, comprising a conveying mechanism and a cooling mechanism, the conveying mechanism comprising a hopper, an air supply member and a conveying pipe, the air supply member and the conveying pipe are both connected to the discharge end of the hopper; the cooling mechanism comprises a cooling cylinder, at least one blowing member and a sleeve, a curved channel is provided in the cooling cylinder along the height direction, the top of the curved channel is connected to the conveying pipe, the bottom of the curved channel is connected to the discharge end of the cooling cylinder, the sleeve is fixedly sleeved on the bottom of the cooling cylinder, and the sleeve is located below the curved channel, a cavity is enclosed between the sleeve and the peripheral side of the cooling cylinder, a plurality of air diffusion holes connected to the cavity are provided on the peripheral side of the cooling cylinder, and at least one blowing member is connected to the cavity.

[0007] In some embodiments, the conveying mechanism further includes a screening drum and a vibrating member. The screening drum is movably arranged in the hopper via a plurality of elastic members. The vibrating member is connected to the screening drum and is used to drive the screening drum to vibrate.

[0008] In some embodiments, the conveying mechanism also includes a stirring member, which includes a reduction motor, a center rod and a spiral blade. The reduction motor is fixed at the discharge end, the center rod is passed through the discharge end and one end is connected to the output end of the reduction motor, and the spiral blade is fixed on the center rod.

[0009] In some embodiments, the cooling mechanism further includes a plurality of slow flow plates, which are tilted and alternately arranged on opposite sides of the cooling cylinder, and the curved channel is formed between the plurality of slow flow plates.

[0010] In some embodiments, one side of the slow flow plate is hinged to the inner wall of the cooling cylinder, and the other side of the slow flow plate supports a shaking member, which includes a servo motor, a rotating shaft and multiple cams. The servo motor is fixed to the outside of the cooling cylinder, and the rotating shaft is arranged in the cooling cylinder and one end is fixedly connected to the output end of the servo motor. Multiple cams are fixed on the rotating shaft at intervals, and multiple cams are in contact with the slow flow plate.

[0011] In some embodiments, a plurality of through holes are provided on the slow flow plate.

[0012] In some embodiments, the blowing member is fixedly connected to the sleeve.

[0013] In some embodiments, the inner diameters of the hopper and the lower end of the cooling cylinder are both tapered.

[0014] In some embodiments, an exhaust port is provided on the top of the cooling cylinder.

[0015] In some embodiments, the vibration element is at least one exciter.

[0016] Compared with the prior art, the utility model provides a plastic particle cooling device, which is connected to the discharge end of the hopper through an air supply member and a conveying pipe. A curved channel is provided in the cooling cylinder along the height direction, and the top of the curved channel is connected to the conveying pipe, and the bottom of the curved channel is connected to the discharge end of the cooling cylinder. The sleeve is fixedly mounted on the bottom of the cooling cylinder, and the sleeve is located below the curved channel. A cavity is formed between the sleeve and the peripheral side of the cooling cylinder. A plurality of air diffusion holes connected to the cavity are provided on the peripheral side of the cooling cylinder, and at least one blowing member is connected to the cavity; the air supply member blows the plastic in the hopper into the cooling cylinder, which can cool the plastic once, and the plastic flows in the curved channel and contacts the air flow blown out by the blowing member for a second cooling, with a good cooling effect. The plastic after cooling can be stored for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a plastic particle cooling device provided by an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the conveying mechanism provided by an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the cooling mechanism provided by an embodiment of the present utility model;

[0020] Figure 4 It is a schematic diagram of the partial structure of the shaking member provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] In order to solve the technical problem in the prior art that plastic particles are easily agglomerated when stored under high temperature conditions, the utility model provides a plastic particle cooling device that can quickly cool down the plastic particles, making it convenient to store the plastic.

[0023] See also Figures 1-4 , Figures 1-4 The present invention is a plastic particle cooling device in an embodiment of the present invention, comprising a conveying mechanism 1 and a cooling mechanism 2, wherein the conveying mechanism 1 comprises a hopper 11, an air supply member 12 and a conveying pipe 13, and the air supply member 12 and the conveying pipe 13 are both connected to the discharge end of the hopper 11; the cooling mechanism 2 comprises a cooling cylinder 21, at least one blowing member 22 and a sleeve 23, a curved channel is provided in the cooling cylinder 21 along the height direction, and the top of the curved channel is connected to the conveying pipe 13, and the bottom of the curved channel is connected to the discharge end of the cooling cylinder 21, the sleeve 23 is fixedly sleeved on the bottom of the cooling cylinder 21, and the sleeve 23 is located below the curved channel, a cavity is enclosed between the sleeve 23 and the peripheral side of the cooling cylinder 21, a plurality of air diffusion holes 211 connected to the cavity are opened on the peripheral side of the cooling cylinder 21, and at least one blowing member 22 is connected to the cavity, wherein the blowing member 22 is fixedly connected to the sleeve 23.

[0024] On the basis of the above scheme, in order to ensure that the size of the plastic particles is uniform, specifically, the conveying mechanism 1 also includes a screening drum 14 and a vibrating member 15. The screening drum 14 is movably arranged in the hopper 11 via multiple elastic members. The vibrating member 15 is connected to the screening drum 14. The vibrating member 15 is used to drive the screening drum 14 to vibrate, wherein the inner diameter of the lower end of the hopper 11 is gradually reduced.

[0025] The bottom of the screening drum 14 is provided with a plurality of sieve holes, and plastic particles with smaller particle sizes can pass through the sieve holes and fall into the hopper 11. In this specific embodiment, the vibrating member 15 is an exciter.

[0026] On the basis of the above scheme, in order to avoid a slow plastic unloading rate, specifically, the conveying mechanism 1 also includes a stirring member 16, and the stirring member 16 includes a reduction motor 161, a center rod 162 and a spiral blade 163. The reduction motor 161 is fixed at the discharge end, the center rod 162 is passed through the discharge end and one end is connected to the output end of the reduction motor 161, and the spiral blade 163 is fixed on the center rod 162.

[0027] It should be noted that the center rod 162 is driven to rotate by the reduction motor 161, which drives the spiral blades 163 to rotate along with the center rod 162 to accelerate the material discharge. The high-speed airflow blown out by the air supply part 12 can drive the plastic particles to be transported in the conveying pipe 13, thereby cooling the plastic particles once.

[0028] In this specific embodiment, the cooling mechanism 2 also includes a plurality of slow flow plates 24, which are inclined and alternately arranged on opposite sides of the cooling cylinder 21, and the curved channel is formed between the plurality of slow flow plates 24, wherein the inner diameter of the lower end of the cooling cylinder 21 is tapered.

[0029] It should be noted that an exhaust port is provided at the top of the cooling cylinder 21 , and the air supply member 12 and the air blowing member 22 are both air coolers. The airflow blown out by the air supply member 12 and the air blowing member 22 is discharged through the exhaust port provided at the top of the cooling cylinder 21 .

[0030] On the basis of the above scheme, in order to avoid the accumulation of plastic particles on the slow flow plate 24, specifically, one side of the slow flow plate 24 is hinged to the inner wall of the cooling cylinder 21, and the other side of the slow flow plate 24 supports a shaking member 25, and the shaking member 25 includes a servo motor 251, a rotating shaft 252 and a plurality of cams 253. The servo motor 251 is fixed to the outside of the cooling cylinder 21, and the rotating shaft 252 is arranged in the cooling cylinder 21 and one end is fixedly connected to the output end of the servo motor 251. The plurality of cams 253 are fixed on the rotating shaft 252 at intervals, and the plurality of cams 253 are in contact with the slow flow plate 24.

[0031] On the basis of the above solution, in order to ensure sufficient contact between the plastic particles and the airflow, specifically, a plurality of through holes are provided on the slow flow plate 24 .

[0032] In order to better understand the present invention, the following Figures 1-4 The technical solution of the utility model is described in detail:

[0033] By conveying the PVC plastic particles with a higher production temperature into the screening drum 14, the vibrating member 15 drives the screening drum 14 to vibrate, and the plastic particles with smaller particle size fall into the hopper 11. The reduction motor 161 drives the center rod 162 to rotate, driving the spiral blades 163 to rotate with the center rod 162 to accelerate the discharge of the material. The high-speed airflow blown out by the air supply member 12 can drive the plastic particles to be transported in the conveying pipe 13. The plastic particles are conveyed to the curved channel. The plastic particles can come into contact with the airflow blown out by the blowing member 22 during the rolling process in the curved channel.

[0034] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A plastic pellet cooling device, comprising a conveying mechanism and a cooling mechanism, wherein the conveying mechanism comprises a hopper, an air supply member, and a conveying pipe, wherein the air supply member and the conveying pipe are both connected to the discharge end of the hopper; characterized in that: The cooling mechanism includes a cooling cylinder, at least one blowing piece and a sleeve. A curved channel is provided in the cooling cylinder along the height direction, and the top of the curved channel is connected to the conveying pipe, and the bottom of the curved channel is connected to the discharge end of the cooling cylinder. The sleeve is fixedly mounted on the bottom of the cooling cylinder, and the sleeve is located below the curved channel. A cavity is formed between the sleeve and the peripheral side of the cooling cylinder. A plurality of air diffusion holes connected to the cavity are provided on the peripheral side of the cooling cylinder, and at least one blowing piece is connected to the cavity.

2. A plastic particle cooling device according to claim 1, characterized in that: The conveying mechanism further includes a screening drum and a vibrating member. The screening drum is movably arranged in the hopper via a plurality of elastic members. The vibrating member is connected to the screening drum and is used to drive the screening drum to vibrate.

3. A plastic particle cooling device according to claim 1, characterized in that: The conveying mechanism also includes a stirring member, which includes a reduction motor, a center rod and a spiral blade. The reduction motor is fixed to the discharge end, the center rod is passed through the discharge end and one end is connected to the output end of the reduction motor, and the spiral blade is fixed on the center rod.

4. A plastic particle cooling device according to claim 1, characterized in that: The cooling mechanism further includes a plurality of slow flow plates, which are tilted and alternately arranged on opposite sides of the cooling cylinder, and the curved channel is formed between the plurality of slow flow plates.

5. A plastic particle cooling device according to claim 4, characterized in that: One side of the slow flow plate is hinged to the inner wall of the cooling cylinder, and the other side of the slow flow plate supports a shaking part, which includes a servo motor, a rotating shaft and a plurality of cams. The servo motor is fixed to the outside of the cooling cylinder, and the rotating shaft is arranged in the cooling cylinder and one end is fixedly connected to the output end of the servo motor. A plurality of cams are fixed on the rotating shaft at intervals, and a plurality of cams are in contact with the slow flow plate.

6. A plastic particle cooling device according to claim 5, characterized in that: The slow flow plate is provided with a plurality of through holes.

7. The plastic particle cooling device according to claim 1, characterized in that: The blowing member is fixedly connected to the sleeve.

8. The plastic particle cooling device according to claim 1, characterized in that: The inner diameters of the lower ends of the hopper and the cooling cylinder are both gradually reduced.

9. The plastic particle cooling device according to claim 1, characterized in that: An exhaust port is provided on the top of the cooling cylinder.

10. The plastic particle cooling device according to claim 2, characterized in that: The vibrating element is at least one exciter.

Images