Processing and stirring device for calcium-zinc composite stabilizer for PVC (polyvinyl chloride)

Abstract

The utility model relates to the technical field of stirring and mixing, in particular to a PVC (polyvinyl chloride) calcium-zinc compound stabilizer processing and stirring device which comprises a mixing tank, a motor is arranged at the upper end of the mixing tank, one end of the motor is connected with a reciprocating screw rod, a gear A is arranged on the outer side of the reciprocating screw rod, and a gear pump is arranged on one side of the gear A; when the reciprocating screw rod rotates, the two groups of racks are synchronously driven to rotate, so that the gear C is driven to synchronously rotate, and when the gear C rotates, the auger sheet is driven to rotate to gradually add materials into the mixing tank, so that the phenomena that raw materials are added at one time, the stirring is nonuniform, the upper end is caused, the load of a motor is increased, and the mixing efficiency is improved are prevented. And meanwhile, the raw materials at the bottom of the mixing tank can be turned out upwards when the scraping plate ascends and descends, so that the situation that all components are difficult to be fully and uniformly mixed due to non-uniform distribution of stirring force and stirring dead angles is prevented, and the processing and stirring device for the calcium-zinc compound stabilizer for PVC is realized.

Description

Technical Field

[0001] This utility model relates to the field of mixing technology, specifically to a mixing device for processing calcium-zinc composite stabilizers for PVC. Background Technology

[0002] Polyvinyl chloride (PVC) is one of the most widely used plastics in the world. With its excellent mechanical properties, chemical resistance, electrical insulation and price advantage, it has been widely used in many fields such as construction, packaging, electronics and electrical appliances, automobiles.

[0003] Traditional mixing devices often result in uneven mixing force distribution and dead zones during the mixing process, making it difficult for the components to mix thoroughly and evenly. This leads to unstable product quality, affecting the consistency of PVC product quality and consequently impacting the stability of subsequent use.

[0004] In view of this, this paper studies and improves the existing problems, and provides a mixing device for processing calcium-zinc composite stabilizers for PVC. The device has a reasonable structural design, high stability, and can be used in various aspects. The aim of this technology is to solve the problems and improve the practical value. Utility Model Content

[0005] This invention utilizes a reciprocating screw that simultaneously drives two sets of racks to rotate, which in turn drives gear C to rotate synchronously. As gear C rotates, it drives the auger to gradually add material into the mixing tank, thus preventing uneven mixing caused by adding raw materials all at once and increasing the load on the motor. Simultaneously, when the scraper rises and falls, it flips the raw materials at the bottom of the mixing tank upwards, preventing uneven distribution of mixing force and the formation of dead zones, which would make it difficult for the components to be fully mixed evenly. This invention provides a mixing device for processing calcium-zinc composite stabilizers for PVC.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a mixing device for processing calcium-zinc composite stabilizers for PVC, comprising a mixing tank, a motor mounted on the upper end of the mixing tank, a reciprocating lead screw connected to one end of the motor, a gear A mounted on the outer side of the reciprocating lead screw, a gear pump mounted on one side of the gear A, connecting pipes fixedly connected to both sides of the gear pump, a feed pipe fixedly connected to the outer side of the mixing tank, a rack mounted inside the mixing tank, a stirring rod fixedly connected to one end of the reciprocating lead screw, a movable frame connected to the outer side of the reciprocating lead screw, and a scraper connected to one end of the movable frame.

[0007] Preferably, the motor is fixedly connected to the center of the upper end of the mixing tank, the reciprocating screw is rotatably connected to the output end of the motor, and the other end of the reciprocating screw extends through the mixing tank into the interior.

[0008] Preferably, gear A is fixedly connected to the outside of the reciprocating lead screw, gear B is meshed with one side of gear A, gear pump is fixedly connected to the upper end of gear B, one end of the connecting pipe is connected to the storage equipment, and the other end extends through the mixing tank into the interior.

[0009] Preferably, four sets of feed pipes are fixedly connected to the outside of the mixing tank, and each of the four sets of feed pipes is fixedly connected to an auger plate. A gear C is fixedly connected to one end of the auger plate inside the mixing tank, and the upper end of the rack and the lower end of the gear C are on the same horizontal plane.

[0010] Preferably, the rack is fixedly connected in two sets on the outside of the reciprocating lead screw, and the stirring rod is fixedly connected to the lower end of the reciprocating lead screw.

[0011] Preferably, the movable frame is located inside the mixing tank and is connected to the reciprocating lead screw ball nut assembly.

[0012] Preferably, the mixing tank has four sets of empty slots inside, the scraper has four sets of protrusions fixedly connected to its outer side, the protrusions are located inside the empty slots, the upper end of the scraper is fixedly connected to the movable frame, and the scraper has multiple sets of through holes inside.

[0013] This utility model has the following beneficial effects: Each of the four sets of feed pipes is equipped with a rotating disc, which is connected to a valve inside the feed pipe. Operators can control the feed amount of each set of raw materials by adjusting the valve size, thus adapting to diverse formulation needs. When the reciprocating screw rotates, it simultaneously drives two sets of racks to rotate. When the racks rotate, they drive gear C to rotate synchronously. When gear C rotates, it drives the auger plate to rotate synchronously. When the auger plate rotates, it gradually adds material into the mixing tank, preventing uneven mixing caused by adding raw materials all at once, which would increase the load on the motor. The scraper is limited by a protrusion connected to a slot. When the movable frame moves up and down, it drives the scraper to rise and fall synchronously. When the scraper rises and falls, it flips the raw materials at the bottom of the mixing tank upwards, preventing uneven distribution of mixing force and the formation of mixing dead zones, thereby improving the stability of subsequent use. This prevents the components from being difficult to mix evenly. Simultaneously, the through holes prevent the scraper from squeezing the raw materials during descent, causing the raw materials to be unable to flow smoothly and thus preventing the scraper from falling. Attached Figure Description

[0014] Figure 1 This is an overall structural diagram of a mixing device for processing calcium-zinc composite stabilizers for PVC, as proposed in this utility model.

[0015] Figure 2 This is a partial structural diagram of a mixing device for processing calcium-zinc composite stabilizers for PVC, as proposed in this utility model.

[0016] Figure 3This is one of the internal structural diagrams of the mixing tank of a mixing device for processing calcium-zinc composite stabilizer for PVC proposed in this utility model;

[0017] Figure 4 The second internal structural diagram of the mixing tank of the mixing device for processing calcium-zinc composite stabilizer for PVC proposed in this utility model;

[0018] Figure 5 This is a cross-sectional view of the internal structure of the mixing tank of a mixing device for processing calcium-zinc composite stabilizer for PVC, as proposed in this utility model.

[0019] Legend:

[0020] 1. Mixing tank; 2. Motor; 3. Reciprocating screw; 4. Gear A; 5. Gear B; 6. Gear pump; 7. Connecting pipe; 8. Feed pipe; 9. Screw; 10. Gear C; 11. Rack; 12. Stirring rod; 13. Movable frame; 14. Scraper. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figure 1-5 One embodiment of this utility model provides a mixing device for processing calcium-zinc composite stabilizers for PVC, comprising a mixing tank 1, a motor 2 mounted on the upper end of the mixing tank 1, a reciprocating screw 3 connected to one end of the motor 2, a gear A4 mounted on the outer side of the reciprocating screw 3, a gear pump 6 mounted on one side of the gear A4, connecting pipes 7 fixedly connected to both sides of the gear pump 6, a feed pipe 8 fixedly connected to the outer side of the mixing tank 1, a rack 11 mounted inside the mixing tank 1, a stirring rod 12 fixedly connected to one end of the reciprocating screw 3, a movable frame 13 connected to the outer side of the reciprocating screw 3, and a scraper 14 connected to one end of the movable frame 13.

[0023] In an optional embodiment: the motor 2 is fixedly connected to the center of the upper end of the mixing tank 1, and the reciprocating screw 3 is rotatably connected to the output end of the motor 2. The other end of the reciprocating screw 3 extends through the mixing tank 1 into the interior. When using the equipment, the reciprocating screw 3 is driven to rotate by the motor 2.

[0024] In an optional embodiment: Gear A4 is fixedly connected to the outside of the reciprocating screw 3, and gear B5 is meshed with one side of gear A4. Gear pump 6 is fixedly connected to the upper end of gear B5. One end of the connecting pipe 7 is connected to the storage device, and the other end extends through the mixing tank 1 into the interior. When the reciprocating screw 3 rotates, it drives gear A4 to rotate synchronously. When gear A4 rotates, it drives gear B5 to rotate synchronously. When gear B5 rotates, it drives gear pump 6. After gear pump 6 is driven, it injects processing aids into the mixing tank 1 through the connecting pipe 7, thereby improving processing efficiency, improving the melting performance of PVC resin, promoting plasticization, making it easier to mold during processing, and improving product quality and production efficiency.

[0025] In an optional embodiment: four sets of feed pipes 8 are fixedly connected to the outside of the mixing tank 1. Each of the four sets of feed pipes 8 has a screw conveyor 9 fixedly connected inside. One end of the screw conveyor 9 inside the mixing tank 1 is fixedly connected to a gear C10. The upper end of the rack 11 and the lower end of the gear C10 are on the same horizontal plane. The other end of each of the four sets of feed pipes 8 is connected to a storage box. A rotating disk is provided on the outside of each of the four sets of feed pipes 8. The rotating disk is connected to a valve inside the feed pipe 8. The operator can control the feed amount of each set of raw materials by adjusting the size of the valve. This also adapts to the needs of diverse formulas. When the reciprocating screw 3 rotates, it will drive the two sets of racks 11 to rotate synchronously. When the rack 11 rotates, it will drive the gear C10 to rotate synchronously. When the gear C10 rotates, it will drive the screw conveyor 9 to rotate synchronously. When the screw conveyor 9 rotates, it will gradually add materials into the mixing tank 1, thereby preventing uneven mixing caused by adding raw materials all at once, which will also increase the load on the motor 2.

[0026] In an optional embodiment: two sets of racks 11 are fixedly connected to the outside of the reciprocating screw 3, and the stirring rod 12 is fixedly connected to the lower end of the reciprocating screw 3. When the reciprocating screw 3 rotates, it will drive the stirring rod 12 to rotate synchronously, thereby stirring the raw materials.

[0027] In an optional embodiment: the movable frame 13 is located inside the mixing tank 1, and the movable frame 13 is connected to the ball nut pair of the reciprocating screw 3. When the reciprocating screw 3 rotates, it will drive the movable frame 13 to move up and down reciprocally.

[0028] In an optional embodiment: the mixing tank 1 has four sets of empty slots inside, and four sets of protrusions are fixedly connected to the outside of the scraper 14. The protrusions are located inside the empty slots. The upper end of the scraper 14 is fixedly connected to the movable frame 13, and multiple sets of through holes are opened inside the scraper 14. The scraper 14 is limited by connecting to the empty slots through the protrusions. When the movable frame 13 moves up and down, it will drive the scraper 14 to rise and fall synchronously. When the scraper 14 rises and falls, it will flip the raw material at the bottom of the mixing tank 1 upwards to prevent uneven distribution of stirring force and the formation of stirring dead corners, which would make it difficult for the components to be fully mixed evenly, thereby improving the stability of subsequent use. At the same time, the through holes prevent the scraper 14 from squeezing the raw material when it descends, which would prevent the raw material from being unobstructed in time and thus prevent the scraper 14 from descending.

[0029] Working principle and process: When using the equipment, the reciprocating screw 3 is driven to rotate by the motor 2. When the reciprocating screw 3 rotates, it will drive the gear A4 to rotate synchronously. When the gear A4 rotates, it will drive the gear B5 to rotate synchronously. When the gear B5 rotates, it will drive the gear pump 6. After the gear pump 6 is driven, the processing aid will be injected into the mixing tank 1 through the connecting pipe 7.

[0030] Each of the four sets of feed pipes 8 is equipped with a rotating disc on its outer side. The rotating disc is connected to the valve inside the feed pipe 8. The operator can control the feed amount of each set of raw materials by adjusting the size of the valve. When the reciprocating screw 3 rotates, it will drive the two sets of racks 11 to rotate synchronously. When the racks 11 rotate, they will drive the gear C10 to rotate synchronously. When the gear C10 rotates, it will drive the auger plate 9 to rotate synchronously. When the auger plate 9 rotates, it will gradually add material to the mixing tank 1.

[0031] While the reciprocating screw 3 rotates, it drives the stirring rod 12 to rotate synchronously, thereby stirring the raw materials. When the reciprocating screw 3 rotates, it drives the movable frame 13 to move up and down. When the movable frame 13 moves up and down, it drives the scraper 14 to rise and fall synchronously. When the scraper 14 rises and falls, it flips the raw materials at the bottom of the mixing tank 1 upwards. At the same time, the through hole prevents the scraper 14 from squeezing the raw materials when it descends, which would prevent the raw materials from being cleared in time and thus prevent the scraper 14 from descending.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mixing device for processing calcium-zinc composite stabilizers for PVC, comprising a mixing tank (1), characterized in that: A motor (2) is installed at the upper end of the mixing tank (1). A reciprocating screw (3) is connected to one end of the motor (2). A gear A (4) is installed on the outside of the reciprocating screw (3). A gear pump (6) is installed on one side of the gear A (4). Connecting pipes (7) are fixedly connected to both sides of the gear pump (6). A feed pipe (8) is fixedly connected to the outside of the mixing tank (1). A rack (11) is installed inside the mixing tank (1). A stirring rod (12) is fixedly connected to one end of the reciprocating screw (3). A movable frame (13) is connected to the outside of the reciprocating screw (3). A scraper (14) is connected to one end of the movable frame (13).

2. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The motor (2) is fixedly connected to the center of the upper end of the mixing tank (1), and the reciprocating screw (3) is rotatably connected to the output end of the motor (2). The other end of the reciprocating screw (3) extends through the mixing tank (1) into the interior.

3. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The gear A (4) is fixedly connected to the outside of the reciprocating screw (3). Gear B (5) is meshed on one side of the gear A (4). Gear pump (6) is fixedly connected to the upper end of the gear B (5). One end of the connecting pipe (7) is connected to the storage equipment, and the other end extends through the mixing tank (1) into the interior.

4. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The feed pipe (8) is fixedly connected to four sets on the outside of the mixing tank (1). Each of the four sets of feed pipes (8) is fixedly connected to an auger plate (9). The end of the auger plate (9) located inside the mixing tank (1) is fixedly connected to a gear C (10). The upper end of the rack (11) and the lower end of the gear C (10) are on the same horizontal plane.

5. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The rack (11) is fixedly connected to two sets on the outside of the reciprocating screw (3), and the stirring rod (12) is fixedly connected to the lower end of the reciprocating screw (3).

6. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The movable frame (13) is located inside the mixing tank (1), and the movable frame (13) is connected to the ball nut pair of the reciprocating screw (3).

7. The mixing device for processing calcium-zinc composite stabilizers for PVC according to claim 1, characterized in that: The mixing tank (1) has four sets of empty slots inside. The scraper (14) has four sets of protrusions fixedly connected to its outer side. The protrusions are located inside the empty slots. The upper end of the scraper (14) is fixedly connected to the movable frame (13), and the scraper (14) has multiple sets of through holes inside.

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