Polycarbonate melt delivery pump
By introducing agitating blades and removable filter components into the polycarbonate melt conveying pump, the problems of uneven heating and blockage are solved, uniform heating and anti-blocking of the melt are achieved, and production efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421723695.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-21
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-21
AI Technical Summary
During the heating process, existing polycarbonate melt conveying pumps have problems such as uneven heating and easy clogging of the pump body, which affects production efficiency and product quality.
A polycarbonate melt delivery pump including a stirring blade and a filter assembly is designed to achieve uniform heating of the melt by rotation of the stirring blade and prevent clogging by the filter assembly, including a removable design of the filter plate and filter mesh for easy cleaning and replacement.
The uniform heating of the polycarbonate melt is achieved, preventing internal blockage of the pump body, improving production efficiency and product quality, and reducing downtime.
Smart Images
Figure CN223075751U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of plastic processing, in particular to a polycarbonate melt transfer pump. Background Technique
[0002] In the process of plastic processing, high-temperature plastics such as polycarbonate need to be transported to the molding equipment at precise temperatures and flow rates. The polycarbonate melt transfer pump can provide a stable transport flow rate and pressure, ensuring precise control and stability of the melt during the processing. The polycarbonate melt transfer pump can achieve continuous melt transportation, thus ensuring the continuity and high efficiency of the production process. Compared with manual or semi-automatic transportation, the automated melt transportation system can greatly improve production efficiency. The melt transfer pump can ensure the stability and uniformity of the melt during the processing, thereby reducing product quality problems caused by unstable or changing melt flow rates and reducing the scrap rate.
[0003] However, most of the current internal functions of the polycarbonate melt transfer pump are to heat the polycarbonate melt during transportation, but during the heating process, there will be problems of uneven heating and easy blockage inside the pump body during the transportation of the polycarbonate melt, resulting in damage to the internal electronic components. Summary of the Utility Model
[0004] In order to make up for the above deficiencies, the utility model provides a polycarbonate melt transfer pump, aiming to improve the problems of uneven heating when heating the polycarbonate melt and easy blockage inside the polycarbonate melt transfer pump.
[0005] To achieve the above object, the utility model provides the following technical solution: A polycarbonate melt transfer pump, including a pump body, one end side of the pump body is fixedly connected with a front baffle, the other end side of the pump body is fixedly connected with a rear baffle, a sealed rotating shaft is fixedly connected inside the rear baffle, a motor is fixedly connected inside the sealed rotating shaft, a plurality of stirring blades are arranged inside the pump body, one end outside of the sealed rotating shaft is fixedly connected to the outside of one of the stirring blades, a second rotating rod is fixedly connected to the outside of one side of the plurality of stirring blades, a gear is fixedly connected to the outside of the second rotating rod, one side outside of the gear is rotatably connected to the inner wall of the pump body, one end outside of the second rotating rod is rotatably connected inside the front baffle, one end outside of a first rotating rod is fixedly connected to the side of one of the stirring blades, and one end outside of the first rotating rod is fixedly connected inside the rear baffle. Water outlets are arranged on both sides inside the pump body, and a filtering assembly is arranged outside the water outlets.
[0006] Preferably, the filtering component includes a plurality of fixing plates, the outer parts of the plurality of fixing plates are respectively fixedly connected to the outer sides of both sides of the pump body, a sliding groove is formed inside the fixing plate, a sliding block is slidably connected inside the sliding groove, a filtering plate is fixedly connected to the outside of the sliding block, and a filter screen is arranged inside and outside the filtering plate.
[0007] Preferably, a connecting plate is closely attached to the outside of the plurality of fixing plates, telescopic blocks are fixedly connected to the inner parts of the four ends of the connecting plate, a limiting plate is arranged outside the telescopic block, one end of the limiting plate is rotatably connected to the side surface of the fixing plate, a connecting port is formed inside the connecting plate, and the inside of the connecting port is threaded.
[0008] Preferably, a notch is formed inside one end of the limiting plate, and the outside of the telescopic block is arranged inside the notch.
[0009] Preferably, the output end of the motor is fixedly connected to the outside of one end of the sealing rotating shaft.
[0010] Preferably, one end of the second rotating rod passes through the inside of the pump body and is fixedly connected to the outside of one side of the stirring blade.
[0011] Preferably, the water outlet, the connecting port, and the filter screen are communicated with each other.
[0012] Preferably, a spring is fixedly connected to the inside of the telescopic block.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, one stirring blade is driven to rotate by the motor, one second rotating rod is driven to rotate by the rotation of one stirring blade, a plurality of gears are driven to rotate by the rotation of one second rotating rod, a plurality of stirring blades are driven to rotate by the rotation of the plurality of gears, and the polycarbonate melt is uniformly heated in the pump body by the rotation of the stirring blades.
[0015] 2. In the utility model, the polycarbonate melt conveyed inside the pump body is filtered by the filter plate and the filter screen arranged outside the water outlet, so as to prevent damage to the electronic components inside the pump body. When it needs to be taken out, the sliding block and the filter plate are driven to move by the sliding groove, the filter screen arranged inside the filter plate is driven to move by the movement of the filter plate, and the filter plate and the filter screen can be taken out for replacement and cleaning through the movement. Description of the Drawings
[0016] Figure 1 is a three-dimensional view of a polycarbonate melt transfer pump proposed by the utility model;
[0017] Figure 2Schematic diagram of the internal structure of the pump body of a polycarbonate melt transfer pump proposed by the present utility model;
[0018] Figure 3 Schematic diagram of the gear structure of a polycarbonate melt transfer pump proposed by the present utility model;
[0019] Figure 4 is Figure 3 Enlarged view of part A in
[0020] Legend description:
[0021] 1. Pump body; 2. Front baffle; 3. Rear baffle; 4. Motor; 5. Sealed rotating shaft; 6. Water outlet; 7. Stirring blade; 8. First rotating rod; 9. Second rotating rod; 10. Gear; 11. Fixed plate; 12. Chute; 13. Sliding block; 14. Filter plate; 15. Limiting plate; 16. Notch; 17. Telescopic block; 18. Connecting plate; 19. Connecting port; 20. Filter net. Specific implementation manner
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Refer to Figures 1-3, an embodiment provided by the present utility model: a polycarbonate melt transfer pump, including a pump body 1, a front baffle 2 is fixedly connected to one side of the pump body 1, a rear baffle 3 is fixedly connected to the other side of the pump body 1, a sealing rotating shaft 5 is fixedly connected inside the rear baffle 3, a motor 4 is fixedly connected inside the sealing rotating shaft 5, the output end of the motor 4 is fixedly connected to the outside of one end of the sealing rotating shaft 5, a plurality of stirring blades 7 are arranged inside the pump body 1, the outside of one end of the sealing rotating shaft 5 is fixedly connected to the outside of one of the stirring blades 7, a second rotating rod 9 is fixedly connected to the outside of one side of the plurality of stirring blades 7, one end of the second rotating rod 9 passes through the inside of the pump body 1 and is fixedly connected to the outside of one side of the stirring blade 7, a gear 10 is fixedly connected to the outside of the second rotating rod 9, one side of the gear 10 is rotatably connected to the inner wall of the pump body 1, one end of the second rotating rod 9 is rotatably connected to the inside of the front baffle 2, a first rotating rod 8 is fixedly connected to the side of one of the stirring blades 7, one end of the first rotating rod 8 is fixedly connected to the inside of the rear baffle 3, water outlets 6 are provided on both sides inside the pump body 1, and a filtering component is provided outside the water outlets 6; the motor 4 drives the sealing rotating shaft 5 to rotate, the sealing rotating shaft 5 drives one of the stirring blades 7 to rotate, one of the stirring blades 7 drives one of the second rotating rods 9 to rotate, one of the second rotating rods 9 drives one of the gears 10 to rotate, one of the gears 10 drives another gear 10 to rotate, another gear 10 drives another second rotating rod 9 to rotate, another second rotating rod 9 drives another stirring blade 7 to rotate, and the polycarbonate melt inside the pump body 1 is stirred by the rotation of the plurality of stirring blades 7 to achieve the effect of uniformly heating the polycarbonate melt in the pump body 1.
[0024] Refer to Figure 1 , Figure 4 , the filtering component includes a plurality of fixing plates 11, the outside of the plurality of fixing plates 11 are respectively fixedly connected to the outside of both sides of the pump body 1, a sliding groove 12 is provided inside the fixing plate 11, a sliding block 13 is slidably connected inside the sliding groove 12, a filter plate 14 is fixedly connected to the outside of the sliding block 13, and a filter net 20 is provided inside and outside the filter plate 14; the sliding block 13 provided inside the sliding groove 12 drives the filter plate 14 to move, the filter plate 14 drives the filter net 20 provided inside the filter plate 14 to move, and the filter plate 14 and the filter net 20 move to achieve the effect of being removable for replacement and cleaning.
[0025] Refer to Figure 4, there is a connecting plate 18 closely attached to the outside of multiple fixing plates 11. At the inner part of the four ends of the connecting plate 18, there are telescopic blocks 17 fixedly connected. There is a limiting plate 15 outside the telescopic block 17. There is a notch 16 opened at the inner part of one end of the limiting plate 15. The outside of the telescopic block 17 is arranged inside the notch 16. The outside of one end of the limiting plate 15 is rotatably connected to the side surface of the fixing plate 11. There is a connection port 19 opened inside the connecting plate 18, and the inside of the connection port 19 is thread-shaped; connecting the telescopic block 17 with the notch 16 opened at the inner part of one end of the limiting plate 15 can achieve the effect of limiting the connecting plate 18, and connecting with a threaded joint through the thread-shaped connection port 19 opened inside the connecting plate 18 can achieve a more sealed water conveyance effect.
[0026] Refer to Figure 2 , Figure 4 , the water outlet 6, the connection port 19, and the filter net 20 are interconnected; the interconnection among the water outlet 6, the connection port 19, and the filter net 20 can achieve the effect of preventing the polycarbonate melt from seeping out during transportation.
[0027] Refer to Figure 4 , there is a spring fixedly connected inside the telescopic block 17; the spring fixedly connected inside the telescopic block 17 can achieve the effect of enabling the telescopic block 17 to be reused.
[0028] Working principle: When the device needs to be used, start the motor 4 to drive the sealed rotating shaft 5 fixedly connected to its output end to rotate. The rotation of the sealed rotating shaft 5 drives one of the stirring blades 7 to rotate. The rotation of one of the stirring blades 7 drives one of the second rotating rods 9 to rotate. The rotation of one of the second rotating rods 9 drives one of the gears 10 to rotate. The rotation of one of the gears 10 drives the other gear 10 to rotate. The rotation of the other gear 10 drives the other second rotating rod 9 to rotate. The rotation of the other second rotating rod 9 drives the other stirring blade 7 to rotate. The rotation of multiple stirring blades 7 inside the pump body 1 stirs the polycarbonate melt inside the pump body 1 to achieve the effect of uniformly heating the polycarbonate melt in the pump body 1. The filter plate 14 provided outside the water outlet 6 and the filter net 20 fixedly connected inside it filter the impurities inside the incoming polycarbonate melt to protect the electronic components inside the pump body 1 from being damaged. When the filter plate 14 needs to be taken out for replacement and cleaning after long-term use, the sliding block 13 slidably connected inside the chute 12 drives the filter plate 14 fixedly connected to it to move, and the movement of the filter plate 14 achieves the effect of being able to be taken out for replacement and cleaning. When the threaded joint needs to be quickly disassembled, pressing the telescopic block 17 with a spring inside achieves the effect of releasing the limit on the limiting plate 15. Then rotating the limiting plate 15 releases the effect of being closely attached to the outside of the connecting plate 18, achieving the effect of being able to take out the connecting plate 18. Quickly disassembling the connecting plate 18 achieves the effect of reducing the downtime. By reducing the downtime of the production line, the production efficiency is improved.
[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A polycarbonate melt transfer pump, comprising a pump body (1), characterized in that: One side of the pump body (1) is fixedly connected with a front baffle (2), and the other side of the pump body (1) is fixedly connected with a rear baffle (3). A sealing rotating shaft (5) is fixedly connected inside the rear baffle (3), and a motor (4) is fixedly connected inside the sealing rotating shaft (5). A plurality of stirring blades (7) are arranged inside the pump body (1). One end of the sealing rotating shaft (5) is externally fixedly connected to the outside of one of the stirring blades (7). A second rotating rod (9) is fixedly connected to the outside of one side of the plurality of stirring blades (7). A gear (10) is fixedly connected to the outside of the second rotating rod (9). One side of the gear (10) is externally rotatably connected to the inner wall of the pump body (1). One end of the second rotating rod (9) is externally rotatably connected inside the front baffle (2). A first rotating rod (8) is fixedly connected to the side of one of the stirring blades (7). One end of the first rotating rod (8) is externally fixedly connected inside the rear baffle (3). Water outlets (6) are arranged on both sides inside the pump body (1), and a filtering assembly is arranged outside the water outlets (6).
2. The polycarbonate melt transfer pump according to claim 1, wherein: The filtering assembly includes a plurality of fixing plates (11). The outside of the plurality of fixing plates (11) is respectively fixedly connected to the outside of both sides of the pump body (1). A sliding groove (12) is formed inside the fixing plate (11). A sliding block (13) is slidably connected inside the sliding groove (12). A filter plate (14) is fixedly connected to the outside of the sliding block (13). A filter net (20) is arranged inside and outside the filter plate (14).
3. The polycarbonate melt transfer pump according to claim 2, characterized in that: A connecting plate (18) is closely attached to the outside of the plurality of fixing plates (11). A telescopic block (17) is fixedly connected to the inside of each of the four ends of the connecting plate (18). A limiting plate (15) is arranged outside the telescopic block (17). One end of the limiting plate (15) is externally rotatably connected to the side of the fixing plate (11). A connecting port (19) is formed inside the connecting plate (18), and the inside of the connecting port (19) is threaded.
4. The polycarbonate melt transfer pump according to claim 3, wherein: A notch (16) is formed inside one end of the limiting plate (15), and the outside of the telescopic block (17) is arranged inside the notch (16).
5. The melt transfer pump for polycarbonate according to claim 1, wherein: The output end of the motor (4) is fixedly connected to the outside of one end of the sealing rotating shaft (5).
6. The polycarbonate melt transfer pump according to claim 1, wherein: One end of the second rotating rod (9) passes through the inside of the pump body (1) and is fixedly connected to the outside of one side of the stirring blade (7).
7. The polycarbonate melt transfer pump according to claim 1, characterized in that: The water outlet (6), the connecting port (19), and the filter net (20) are communicated with each other.
8. A polycarbonate melt transfer pump according to claim 3, characterized in that: A spring is fixedly connected to the inside of the telescopic block (17).