Quick cooling device for PVC (polyvinyl chloride) plastic particles
By using a stirring assembly consisting of a scraper and a torsion rod in the PVC plastic granule cooling device, the problem of uneven cooling was solved, achieving uniform cooling and efficient cleaning of the plastic granules.
Patent Information
- Application Number
- CN202520481819.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
In existing PVC plastic pellet cooling devices, the limited flow of cooling water leads to uneven cooling, resulting in some pellets not being fully cooled.
The stirring assembly, which employs a scraper and a torsion bar working in tandem, ensures that the plastic granules flow evenly within the cooling device. Combined with a servo motor-driven rotating rod that rotates the scraper and torsion bar, it prevents accumulation and uses a filter plate to block particles in the cooling water.
It achieves uniform cooling of PVC plastic granules, improves the cooling rate, ensures that each granule reaches the required temperature, avoids insufficient cooling, and facilitates the cleaning of cooled granules.
Smart Images
Figure CN223904287U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quick cooling device technical field, concretely is a PVC plastic granule quick cooling device. BACKGROUND
[0002] The PVC plastic granule quick cooling device is mainly used in the plastic processing process, helps the quick cooling of the just extruded plastic granule in the production and processing link of PVC (polyvinyl chloride) plastic, and the PVC plastic granule is usually manufactured through the extrusion granulation method, first mixes PVC resin with other additives, then heats and melts through the extruder and extrudes, forms the plastic granule through the die, next, these granules need to be cooled quickly to solidify and cool to normal temperature to ensure that the granule does not change in form due to high temperature.
[0003] However, in the use process, the PVC resin is heated and melted in the extruder, forms a uniform melt, is heated through the extruder and is forced to extrude, forms the plastic granule in the hot melt state, through the spiral transmission mechanism, the plastic granule is conveyed into the cooling device, when the melted PVC granule passes through the cooling device, the plastic granule is conveyed in the cooling water tank pipe, the plastic granule is quickly cooled through the cooling medium water, and the cooling water that has been heated is replaced.
[0004] When the plastic granule cooling in the water tank pipe is finished, the plastic granule is discharged by opening the sealing of the water tank pipe, when the plastic granule is accumulated more in the water tank pipe, the flowability of the cooling water can be limited, the cooling effect is uneven, and a small number of plastic granules can not be cooled and cooled down to solid form. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a PVC plastic granule quick cooling device to solve the problems in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a PVC plastic granule quick cooling device, including cooling mechanism, stirring assembly, the stirring assembly includes the shell, one end of the shell is provided with the flange plate, one end of the flange plate is installed with the fixed plate, one end of the fixed plate is provided with the servo motor, one end of the servo motor is provided with the rotary rod, the rotary rod is arranged in the inside of the shell, the outside of the rotary rod is fixedly installed with the support rod, one end of the support rod is provided with the fixed ring, one end of the support rod is fixedly installed with the scraper rod.
[0007] As a further preferred embodiment of the present technical solution, the outside of the fixed ring is fixedly installed with a twisted connecting rod.
[0008] As a further preferred of the technical solution, one end of the shell is provided with a filter plate, and one end of the filter plate is fixedly installed with a water outlet.
[0009] As a further preferred of the technical solution, the outer side upper end of the shell is provided with a water inlet pipe, and the outer side of the shell is provided with a feeding assembly.
[0010] As a further preferred of the technical solution, the outer side lower end of the shell is provided with an outlet groove, and the outlet groove is closed or opened through a sealing plate.
[0011] As a further preferred of the technical solution, both ends of the sealing plate are fixedly installed with sliding plates, the two sides of the sliding plates are slidingly connected to the outer sides of support guide columns, the lower ends of the support guide columns are arranged on the upper end of a support table plate, and the upper ends of the support guide columns are provided with top frames.
[0012] As a further preferred of the technical solution, one end of the sliding plate is provided with an extension plate, and the lower end of the extension plate is fixedly installed on the upper end of a lifting hydraulic cylinder.
[0013] The utility model provides a kind of PVC plastic particle rapid cooling device, with following beneficial effect:
[0014] (1) the utility model discloses a scraping rod and torsion connecting rod cooperation ensures that PVC plastic particle can flow in the shell inside constantly during cooling process, the uniform flow makes that plastic particle and cooling water contact more evenly, it is helpful to improve cooling speed and ensure that each particle reaches required cooling temperature, avoid a few plastic particles to be unable to cool down and solidify sufficiently, after plastic particle cooling is completed, plastic particle is pushed and cleaned out from shell inner wall by scraping rod.
[0015] (2) the utility model discloses that after plastic particle cooling is completed, the cooling water that has been heated is discharged by water outlet, and plastic particle can be blocked by filter plate. SHEET DESCRIPTION
[0016] Figure 1 it is the schematic diagram of the whole structure of the utility model;
[0017] Figure 2 it is the schematic diagram of shell, outlet groove structure of the utility model;
[0018] Figure 3 it is the schematic diagram of discharging assembly structure of the utility model;
[0019] Figure 4 it is the schematic diagram of split structure of stirring assembly of the utility model;
[0020] Figure 5 it is the schematic diagram of scraping rod structure of the utility model;
[0021] Figure 6 The utility model spiral rod, strut and fixed ring structure schematic diagram shows;
[0022] In the figure: 100, cooling mechanism;103, water inlet pipe;104, water outlet;105, filter plate;200, stirring assembly;201, shell;202, flange plate;203, outlet groove;204, servo motor;205, fixed plate;206, rotating rod;207, scraper;208, fixed ring;209, strut;210, twist connecting rod;301, top frame;302, support guide column;303, support table plate;304, sealing plate;305, extension plate;306, sliding plate;307, lifting hydraulic cylinder;400, feeding assembly. DETAILED DESCRIPTION
[0023] 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.
[0024] The utility model provides technical schemes: as Figure 1 、 Figures 4-6 As shown in the figure, in the embodiment, a PVC plastic particle rapid cooling device, including cooling mechanism 100, stirring assembly 200, stirring assembly 200 includes the shell 201, one end of the shell 201 is provided with the flange plate 202, one end of the flange plate 202 is installed with the fixed plate 205, one end of the fixed plate 205 is provided with servo motor 204, one end of servo motor 204 is provided with rotating rod 206, and rotating rod 206 is arranged in the inside of shell 201, and the outside of rotating rod 206 is fixedly installed with strut 209, one end of strut 209 is provided with fixed ring 208, one end of strut 209 is fixedly installed with scraper 207, and the outside of fixed ring 208 is fixedly installed with twist connecting rod 210, in actual use, first, PVC plastic particles enter the inside of shell 201 and begin to contact cooling water, cooling water flows in the inside of shell 201, PVC plastic particles contact cooling water and begin to cool, servo motor 204 drives rotating rod 206 to rotate, rotating rod 206 drives fixed ring 208, scraper 207 and twist connecting rod 210 to rotate through strut 209, scraper 207 scrapes the surface of the inner wall of shell 201 in the rotating process, avoids the accumulation of plastic particles on the inner wall of shell 201, so as to affect the cooling effect, when the plastic particles are cooled, the plastic particles are pushed and cleaned out from the inner wall of shell 201 through scraper 207, and the twist connecting rod 210 on the outside of fixed ring 208 further enhances the stirring effect, so that the plastic particles can flow continuously in the inside of shell 201 in the cooling process, avoid gathering, so as to ensure the uniform cooling of particles.
[0025] In this embodiment, the cooperation of the scraper 207 and the twisted connecting rod 210 ensures that the PVC plastic particles can flow continuously inside the shell 201 during the cooling process. The uniform flow makes the contact between the plastic particles and the cooling water more uniform, which helps to improve the cooling speed and ensures that each particle reaches the required cooling temperature, avoiding the situation that a few plastic particles cannot be sufficiently cooled and solidified. After the plastic particles are cooled, the scraper 207 pushes the plastic particles from the inner wall of the shell 201 to clean them out.
[0026] As shown in Figure 1 , Figure 4 , one end of the shell 201 is provided with a filter plate 105, one end of the filter plate 105 is fixedly installed with a water outlet 104, the outer side upper end of the shell 201 is provided with a water inlet pipe 103, the outer side of the shell 201 is provided with a feeding assembly 400. The plastic particles are conveyed from the feeding assembly 400 to the shell 201, and then the water is conveyed to the inside of the shell 201 through the water inlet pipe 103, and then the plastic particles are cooled. When the plastic particles are cooled, the cooling water that has been warmed up is discharged through the water outlet 104, and the plastic particles are blocked by the filter plate 105.
[0027] As shown in Figures 1-3 , the outer side lower end of the shell 201 is provided with an outlet groove 203, the outlet groove 203 is closed or opened by a sealing plate 304, the two ends of the sealing plate 304 are fixedly installed with a sliding plate 306, the two sides of the sliding plate 306 are slidingly connected to the outer side of a supporting guide column 302, the lower end of the supporting guide column 302 is arranged on the upper end of a supporting table plate 303, the upper end of the supporting guide column 302 is provided with a top frame 301, one end of the sliding plate 306 is provided with an extension plate 305, the lower end of the extension plate 305 is fixedly installed on the upper end of a lifting hydraulic cylinder 307. In actual use, by controlling the working of the lifting hydraulic cylinder 307, the extension plate 305 drives the sliding plate 306 to slide up and down on the outer side of the supporting guide column 302, and then controls the sealing plate 304 to move up and down, further plugs the sealing plate 304 in the outlet groove 203 of the shell 201, and controls the plastic particles to be discharged from the inside of the shell 201.
[0028] The utility model provides a kind of PVC plastic granule rapid cooling device, specific working principle is as follows: first, by the plastic granule is sent from feed assembly 400 to shell 201, further by water inlet pipe 103, water is sent to the inside of shell 201, further to plastic granule cooling, when plastic granule is cooled, by outlet 104, the cooling water that has been warmed is discharged, by filter plate 105, plastic granule can be blocked, PVC plastic granule enters the inside of shell 201, and start to contact with cooling water, cooling water flows in the inside of shell 201, PVC plastic granule contacts with cooling water, starts cooling, servo motor 204 drives rotating rod 206 to rotate, rotating rod 206 drives fixed ring 208 and scraper rod 207 and twist connecting rod 210 to rotate by support rod 209, scraper rod 207 scrapes shell 201 inner wall surface in the process of rotation, avoid plastic granule to produce accumulation in shell 201 inner wall, to affect cooling effect, when plastic granule is cooled, by scraper rod 207, plastic granule is pushed and cleaned from shell 201 inner wall, and twist connecting rod 210 outside fixed ring 208 further enhances the effect of stirring, so that plastic granule can flow constantly in the inside of shell 201 in cooling process, avoid gathering, to ensure the uniform cooling of granule, by the work of control lifting hydraulic cylinder 307, extension plate 305 drives sliding plate 306 to slide outside support guide column 302, further control sealing plate 304 to move up and down, further block sealing plate 304 in the inside of shell 201 outlet groove 203, control plastic granule to discharge the inside of shell 201.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A PVC plastic particles rapid cooling device, comprising a cooling mechanism (100), a stirring assembly (200), characterized in that: Said stirring component (200) includes a shell (201), one end of the shell (201) is provided with a flange (202), one end of the flange (202) is installed with a fixed plate (205), one end of the fixed plate (205) is provided with a servo motor (204), one end of the servo motor (204) is provided with a rotating rod (206), the rotating rod (206) is arranged in the inside of the shell (201), the outside of the rotating rod (206) is fixedly installed with a support rod (209), one end of the support rod (209) is provided with a fixed ring (208), one end of the support rod (209) is fixedly installed with a scraping rod (207).
2. The PVC plastic particle rapid cooling device according to claim 1, characterized in that: The outside of the fixed ring (208) is fixedly installed with a twisted connecting rod (210).
3. The PVC plastic particle rapid cooling device according to claim 1, characterized in that: One end of the shell (201) is provided with a filter plate (105), one end of the filter plate (105) is fixedly installed with a water outlet (104).
4. The PVC plastic particle rapid cooling device according to claim 3, characterized in that: The outside upper end of the shell (201) is provided with a water inlet pipe (103), the outside of the shell (201) is provided with a feeding assembly (400).
5. The PVC plastic particle rapid cooling device according to claim 4, characterized in that: The lower end of the shell (201) is provided with an outlet slot (203), the outlet slot (203) is closed or opened through a sealing plate (304).
6. The PVC plastic particle rapid cooling device according to claim 5, characterized in that: Both ends of the sealing plate (304) are fixedly installed with a sliding plate (306), both sides of the sliding plate (306) are slidingly connected to the outside of a supporting guide column (302), the lower end of the supporting guide column (302) is arranged on the upper end of a supporting table plate (303), the upper end of the supporting guide column (302) is provided with a top frame (301).
7. The PVC plastic particle rapid cooling device according to claim 6, characterized in that: One end of the sliding plate (306) is provided with an extension plate (305), the lower end of the extension plate (305) is fixedly installed on the upper end of a lifting hydraulic cylinder (307).