Color master batch plastic strip cooling device of plastic granulation production line
By optimizing the cooling water trough structure and introducing slitting components and debris removal components, the problems of unstable cooling effect and single function of the cooling device of the traditional plastic granulation production line have been solved, and efficient cooling and slitting can be carried out simultaneously, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202422803714.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The masterbatch plastic strip cooling device of the traditional plastic granulation production line has the problem that the cooling effect deteriorates as the water temperature rises, and the function is single, and it is unable to cut and remove the debris generated during the cutting process while cooling.
A device was designed, which included a cooling water trough, a guide roller, a slitting assembly, a debris removal assembly, a debris collection convex box, an arc-shaped filter plate, and a return water temperature equalization assembly. The guide roller structure was used to optimize the cooling effect, and slitting and debris removal were performed during the cooling process. The return water temperature equalization assembly was used to maintain a balanced temperature in the water trough.
The stability of the cooling effect and the improvement of efficiency are achieved. At the same time, the plastic strips are cut and the debris is removed in time during the cooling process, ensuring the continuity of production and product quality.
Smart Images

Figure CN223326910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic granulation production, in particular to a masterbatch plastic strip cooling device for a plastic granulation production line. Background Art
[0002] In a plastic pelletizing production line, the main function of a masterbatch plastic bar cooling device is to improve production efficiency, ensure product quality, and save energy. The masterbatch plastic bar cooling device is primarily used to rapidly cool the masterbatch bars that have been melt-mixed and extruded through an extruder. This step is crucial to ensuring the stable formation of the masterbatch bars before pelletizing. The cooling device allows the masterbatch bars to quickly reach an appropriate hardness, facilitating subsequent cutting and pelletizing operations. Specifically, the cooling device typically includes a cooling water tank or cooling pool, which is equipped with a number of nip rollers or guide rollers. These rollers guide the masterbatch bars to move evenly within the cooling water tank or cooling pool, ensuring full contact between the masterbatch bars and the cooling medium, thereby achieving rapid cooling.
[0003] The masterbatch plastic bar cooling device used in traditional plastic pelletizing production lines has shortcomings. First, after prolonged operation, the water temperature in the cooling trough near the plastic bar inlet gradually rises, reducing the cooling effect. Second, its single function prevents the plastic bars from being cut while cooling, and the water in the cooling trough cannot be used to promptly remove debris generated during the cutting process. Therefore, it is necessary to optimize and improve the masterbatch plastic bar cooling device used in traditional plastic pelletizing production lines. Utility Model Content
[0004] The purpose of the utility model is to overcome the above problems existing in the traditional technology and provide a masterbatch plastic strip cooling device for a plastic granulation production line.
[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:
[0006] A masterbatch plastic strip cooling device for a plastic granulation production line comprises a cooling water trough, wherein a first high-position guide roller, a first low-position guide roller, a second low-position guide roller and a second high-position guide roller are sequentially installed inside the cooling water trough from front to back, and there are two second low-position guide rollers. The cooling water trough is located between the two second low-position guide rollers and is provided with a slitting assembly, and the cooling water trough is located above the slitting assembly and is provided with a debris removal assembly. The cooling water trough is provided with a debris collection convex box at the lower rear portion thereof, and an arc-shaped filter plate is installed inside the debris collection convex box. The debris collection convex box is located on both sides of the arc-shaped filter plate and is provided with an anti-blocking cleaning assembly and a suction pump respectively. The suction pump is connected to a spray hood via a return pipe, and the spray hood is installed on the inner wall of the front end portion of the cooling water trough.
[0007] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, the first high-position guide roller and the second high-position guide roller are single-roller structures, and the first low-position guide roller and the second low-position guide roller are double-roller structures.
[0008] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, the inner cavity of the collecting convex box is divided into an outer area and an inner area by an arc-shaped filter plate, the anti-blocking cleaning component is arranged in the outer area, and the suction pump is arranged in the inner area.
[0009] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, the slitting assembly includes an upper slitting shaft, a lower slitting shaft, a circular cutting knife, a circular cutting groove, a transmission gear set and a servo motor. The upper slitting shaft and the lower slitting shaft are arranged in parallel. A plurality of circular cutting knives are installed on the upper slitting shaft. A plurality of circular cutting grooves that match the positions of the circular cutting knives are opened on the lower slitting shaft. The upper slitting shaft and the lower slitting shaft are jointly installed with a transmission gear set. The transmission gear set consists of two mutually meshing transmission gears. One end of the upper slitting shaft is connected to the output end of the servo motor via a coupling.
[0010] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, part of the blade body of the circular cutting knife extends into the corresponding circular cutting groove.
[0011] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, the debris removal component includes a debris removal shaft and a debris removal blade, and a plurality of debris removal blades are installed on the outer side of the debris removal shaft. The debris removal blade is provided with a through hole for reducing the flipping resistance, and the debris removal shaft is transmission-connected to one end of the upper slitting shaft through a first belt transmission member.
[0012] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, the anti-blocking cleaning component includes an anti-blocking cleaning shaft, a roller brush bracket and a cleaning roller brush. The anti-blocking cleaning shaft is movably supported by the roller brush bracket with a cleaning roller brush that is against the inner wall of the arc-shaped filter plate. The anti-blocking cleaning shaft is transmission-connected to the other end of the upper slitting shaft through a second belt transmission member.
[0013] Furthermore, in the masterbatch plastic strip cooling device of the above-mentioned plastic granulation production line, end plates are provided at both ends of the arc-shaped filter plate, and the bottom plate of the collecting convex box is provided with a slot for facilitating the insertion of the lower end plate of the arc-shaped filter plate, and the upper end plate of the arc-shaped filter plate is fixed on the partition between the cooling water trough and the collecting convex box.
[0014] The beneficial effects of the utility model are:
[0015] The utility model has a reasonable structural design, which is mainly composed of a cooling water trough, a traction guide component, a slitting component, a debris removal component, a debris collection convex box, an arc-shaped filter plate, an anti-blocking cleaning component and a return water temperature equalizing component. The various components work together. On the one hand, the return water temperature equalizing component is used to balance the temperature of various parts of the cooling water trough, thereby ensuring the cooling effect; on the other hand, the slitting component can be used to cut the plastic strips while cooling, and the debris removal component uses the water in the cooling water trough to promptly remove the debris generated in the cutting process, the debris collection convex box is used to collect the debris intercepted by the arc-shaped filter plate, and the anti-blocking cleaning component can prevent and clean the arc-shaped filter plate, thereby ensuring the smooth realization of the function of the return water temperature equalizing component.
[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a schematic diagram of the external structure of the utility model as a whole;
[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model as a whole;
[0020] Figure 3 This is a schematic diagram of the main structure of the utility model as a whole;
[0021] Figure 4 This is a schematic diagram of the overall structure of the utility model from a top view;
[0022] Figure 5 This is a schematic diagram of the structure of the return water temperature equalization component in the utility model;
[0023] Figure 6 This is a schematic diagram of the assembly of the cutting component, the debris removal component and the anti-blocking cleaning component in the utility model;
[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0025] 1-Cooling water trough, 2-First high-position guide roller, 3-First low-position guide roller, 4-Second low-position guide roller, 5-Second high-position guide roller, 6-Slitting assembly, 601-Upper slitting shaft, 602-Lower slitting shaft, 603-Annular cutting knife, 604-Annular cutting groove, 605-Servo motor, 7-Debris removal assembly, 701-Debris removal shaft, 702-Debris removal blade, 703-Through hole, 8-Miscellaneous convex box, 9-Arc filter plate, 10-Anti-blocking cleaning assembly, 101-Anti-blocking cleaning shaft, 102-Roller brush bracket, 103-Cleaning roller brush, 11-Suction pump, 12-Return pipe, 13-Spray hood. DETAILED DESCRIPTION
[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] See also Figures 1-6 As shown, this embodiment is a masterbatch plastic strip cooling device for a plastic granulation production line, comprising a cooling water trough 1 with an open top. Inside the cooling water trough 1, a first high-position guide roller 2, a first low-position guide roller 3, a second low-position guide roller 4, and a second high-position guide roller 5 are sequentially installed from front to back. The first high-position guide roller 2 and the second high-position guide roller 5 are parallel to each other and have a single-roller structure. The first low-position guide roller 3 and the second low-position guide roller 4 are parallel to each other and have a double-roller structure. The first high-position guide roller 2, the first low-position guide roller 3, the second low-position guide roller 4, and the second high-position guide roller 5 constitute a traction guide assembly.
[0028] In the present embodiment, there are two second low-level guide rollers 4, and the cooling water trough 1 is located between the two second low-level guide rollers 4 and is equipped with a slitting assembly 6. The slitting assembly 6 includes an upper slitting shaft 601, a lower slitting shaft 602, a circular cutting knife 603, a circular cutting groove 604, a transmission gear set and a servo motor 605. The upper slitting shaft 601 and the lower slitting shaft 602 are arranged in parallel. A plurality of circular cutting knives 603 are installed on the upper slitting shaft 601, and a plurality of circular cutting grooves 604 that match the positions of the circular cutting knives 603 are provided on the lower slitting shaft 602. Part of the blade body of the circular cutting knife 603 extends into the corresponding circular cutting groove 604. The upper slitting shaft 601 and the lower slitting shaft 602 are jointly equipped with a transmission gear set, which is composed of two mutually meshing transmission gears. One end of the upper slitting shaft 601 is connected to the output end of the servo motor 605 through a coupling.
[0029] In this embodiment, the cooling water tank 1 is located above the slitting assembly 6 and is equipped with a debris removal assembly 7. The debris removal assembly 7 includes a debris removal shaft 701 and debris removal blades 702. A plurality of debris removal blades 702 are installed on the outer side of the debris removal shaft 701. The debris removal blades 702 are provided with through holes 703 to reduce the turning resistance. The debris removal shaft 701 is connected to one end of the upper slitting shaft 601 through a first belt transmission member 12.
[0030] In this embodiment, a collection box 8 is located at the lower rear portion of the cooling water tank 1. A circular filter plate 9 is mounted within the collection box 8. An anti-blocking cleaning assembly 10 and a suction pump 11 are mounted on either side of the collection box 8. The suction pump 11 is connected to a spray hood 13 via a return pipe 12. The spray hood 13 is mounted on the inner wall of the front end of the cooling water tank 1. Together, the suction pump 11, return pipe 12, and spray hood 13 constitute the return water temperature equalization assembly.
[0031] In this embodiment, the inner cavity of the collecting convex box 6 is divided into an outer area and an inner area by the arc-shaped filter plate 9, the anti-blocking cleaning component 10 is arranged in the outer area, and the suction pump 11 is arranged in the inner area.
[0032] In this embodiment, the anti-blocking cleaning component 10 includes an anti-blocking cleaning shaft 101, a roller brush bracket 102 and a cleaning roller brush 103. The anti-blocking cleaning shaft 101 is movably supported by the roller brush bracket 102 to support the cleaning roller brush 103 that is against the inner wall of the arc-shaped filter plate 9. The anti-blocking cleaning shaft 101 is transmission-connected to the other end of the upper cutting shaft 601 through a second belt transmission member 13.
[0033] In this embodiment, end plates are provided at both ends of the arc-shaped filter plate 9, and the bottom plate of the collecting convex box 8 is provided with a slot for facilitating the insertion of the lower end plate of the arc-shaped filter plate 9, and the upper end plate of the arc-shaped filter plate 9 is fixed on the partition between the cooling water tank 1 and the collecting convex box 8.
[0034] A specific application of this embodiment is: this device is mainly composed of a cooling water trough 1, a traction guide component, a slitting component 6, a debris removal component 7, a debris collection convex box 8, an arc-shaped filter plate 9, an anti-blocking cleaning component 10 and a return water temperature equalization component. The various components work together. On the one hand, the return water temperature equalization component is used to balance the temperature of various parts of the cooling water trough 1 to ensure the cooling effect; on the other hand, the slitting component 6 can be used to cut the plastic strips while cooling. The debris removal component 7 uses the water in the cooling water trough to promptly remove the debris generated during the cutting process. The debris collection convex box 8 is used to collect the debris intercepted by the arc-shaped filter plate 9. The anti-blocking cleaning component 10 can prevent and clean the arc-shaped filter plate 9, thereby ensuring the smooth realization of the function of the return water temperature equalization component.
[0035] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A masterbatch plastic strip cooling device for a plastic granulation production line, comprising a cooling water tank, characterized in that: The inside of the cooling water trough is sequentially installed with the first high-position guide roller, the first low-position guide roller, the second low-position guide roller and the second high-position guide roller from front to back, and there are two second low-position guide rollers in total, and the cooling water trough is located between the two second low-position guide rollers and is installed with a slitting assembly, and the cooling water trough is located above the slitting assembly and is installed with a debris removal assembly, and the cooling water trough is provided with a debris collection convex box at the lower rear part thereof, and an arc-shaped filter plate is installed inside the debris collection convex box, and an anti-blocking cleaning assembly and a suction pump are respectively installed on both sides of the arc-shaped filter plate of the debris collection convex box, and the suction pump is connected to the spray hood through a return pipe, and the spray hood is installed on the inner wall of the front end part of the cooling water trough.
2. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 1, characterized in that: The first high-position guide roller and the second high-position guide roller are single-roller structures, and the first low-position guide roller and the second low-position guide roller are double-roller structures.
3. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 2, characterized in that: The inner cavity of the collecting convex box is divided into an outer area and an inner area by an arc-shaped filter plate. The anti-blocking cleaning component is arranged in the outer area, and the suction pump is arranged in the inner area.
4. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 3, characterized in that: The slitting assembly includes an upper slitting shaft, a lower slitting shaft, a circular cutting knife, a circular cutting groove, a transmission gear set and a servo motor. The upper slitting shaft and the lower slitting shaft are arranged in parallel. The upper slitting shaft is equipped with multiple circular cutting knives, and the lower slitting shaft is provided with multiple circular cutting grooves that match the positions of the circular cutting knives. The upper slitting shaft and the lower slitting shaft are jointly equipped with a transmission gear set, which consists of two mutually meshing transmission gears. One end of the upper slitting shaft is connected to the output end of the servo motor via a coupling.
5. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 4, characterized in that: Part of the cutter body of the circular cutting cutter extends into the corresponding circular cutting groove.
6. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 5, characterized in that: The debris removal assembly includes a debris removal shaft and a debris removal blade. A plurality of debris removal blades are installed on the outer side of the debris removal shaft. The debris removal blades are provided with through holes for reducing the flipping resistance. The debris removal shaft is transmission-connected to one end of the upper slitting shaft through a first belt transmission member.
7. The masterbatch plastic strip cooling device for the plastic granulation production line according to claim 6, characterized in that: The anti-blocking cleaning component includes an anti-blocking cleaning shaft, a roller brush bracket and a cleaning roller brush. The anti-blocking cleaning shaft is movably supported by the roller brush bracket to support the cleaning roller brush against the inner wall of the arc-shaped filter plate. The anti-blocking cleaning shaft is transmission-connected to the other end of the upper slitting shaft through a second belt transmission member.
8. The masterbatch plastic strip cooling device for a plastic granulation production line according to claim 7, characterized in that: End plates are provided at both ends of the arc-shaped filter plate, and the bottom plate of the collecting convex box is provided with a slot for facilitating the insertion of the lower end plate of the arc-shaped filter plate, and the upper end plate of the arc-shaped filter plate is fixed on the partition between the cooling water tank and the collecting convex box.