Low-shear-force mixing device for transparent filling master batch production
By introducing a scraping structure into a low-shear mixing device for the production of transparent filler masterbatch, and using a float to sense changes in liquid level to automatically adjust the position of the scraper, the problem of material sticking to the inner wall of the mixing tank is solved, thereby improving mixing efficiency and uniformity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN YISEN PLASTIC TECHNOLOGY CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-21
AI Technical Summary
In the current production process of transparent filler masterbatch, the material tends to stick to the inner wall of the mixing tank, resulting in reduced mixing efficiency and requiring frequent cleaning and scraping.
Design a low-shear mixing device for the production of transparent filler masterbatch. It adopts a gold-type agitator and is equipped with a cleaning structure, including components such as a limiting cylinder, a baffle plate, a scraper, and a float. The position of the scraper is automatically adjusted by sensing changes in the liquid level of the material through the float, so as to ensure effective cleaning of the inner wall of the mixing tank.
It improves the mixing efficiency of materials inside the mixing tank, avoids frequent manual scraping, ensures uniform mixing of materials, and improves production efficiency.
Smart Images
Figure CN224145070U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mixing device technology, and in particular to a low-shear mixing device for the production of transparent filler masterbatch. Background Technology
[0002] The King-type agitator is a radial flow agitator with wide blades at the front end of the impeller with a sweep angle. When rotating, it mainly generates axial thrust and exerts very little shear force on the fluid. When baffles are used, it can generate convection circulation and turbulent diffusion. It has the advantages of low power consumption, low shear force, and is suitable for heat transfer, mass transfer, mixing, and dissolution of fibrous materials. It can be used in the mixing process of transparent filler masterbatch production where the shear force requirement is not high.
[0003] Existing technologies often have the following drawbacks: during the production and mixing of transparent filler masterbatch, the material tends to surge during mixing. When the mixed material sticks to the inner wall of the mixing drum, workers need to frequently scrape the material adhering to the inner wall of the mixing drum, which reduces the efficiency of mixing the material.
[0004] Therefore, this utility model provides a low-shear mixing device for the production of transparent filler masterbatch. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies where material tends to stick to the inner wall of the mixing tank during the mixing process, and to propose a low-shear mixing device for the production of transparent filler masterbatch.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a low-shear mixing device for producing transparent filler masterbatch, comprising a metal agitator, a stirring rod rotatably connected inside the metal agitator, a stirring head fixedly connected to the lower end of the stirring rod, a scraping structure provided on the surface of the stirring rod, the scraping structure comprising a limiting cylinder slidably connected to the surface of the stirring rod, an insert plate detachably installed on the inner side of the limiting cylinder, a draw plate fixedly connected to the surface of the insert plate, a limiting frame slidably connected to the side wall of the draw plate, a sliding plate slidably connected inside the limiting frame, a mounting plate fixedly connected to the other end of the sliding plate, two arc-shaped scraping strips fixedly installed on the inner side of the mounting plate, and two first springs fixedly connected between the mounting plate and the limiting frame.
[0007] The effect achieved by the above-mentioned components is as follows: by setting up a scraping structure, it is convenient to flexibly scrape the material adhering to the inside of the mixing tank, avoiding the phenomenon of workers frequently scraping the material adhering to the inside of the mixing tank, and improving the mixing efficiency of the material inside the mixing tank to a certain extent.
[0008] Preferably, the limiting frame is internally threaded with a drive rod, and the drive rod is internally rotatably connected to the insert plate.
[0009] The effect achieved by the above components is as follows: the drive rod is rotated and is threadedly connected to the limit frame and rotatably connected to the insert plate. When the drive rod is rotated, it will move within the limit frame, thereby pushing or pulling the mounting plate and changing the compression degree of the first spring.
[0010] Preferably, the limiting cylinder is internally threaded with bolts.
[0011] The effect achieved by the above components is that the bolts facilitate the fixing work when the limit cylinder is raised to the highest position, and also facilitate the fixing work when the limit cylinder is not in use.
[0012] Preferably, a connecting rod is fixedly connected to the lower surface of the limiting frame, and a float is fixedly connected to the lower end of the connecting rod.
[0013] The effect achieved by the above components is as follows: the float at the lower end of the connecting rod fixedly connected to the lower surface of the limiting frame will float up and down with the change of the liquid level of the material in the mixing tank. When the liquid level of the material is high, the buoyancy of the float increases, which will drive the limiting frame, the mounting plate and other components to move upward through the connecting rod, so that the scraper can clean the tank wall at a higher position.
[0014] Preferably, an assembly structure is provided between the limiting cylinder and the insert plate, the assembly structure including an insertion hole formed on the surface of the limiting cylinder, and the size of the insert plate and the size of the insertion hole are adapted to each other.
[0015] The effect achieved by the above components is that the disassembly and assembly structure between the limiting cylinder and the insert plate improves the flexibility of using the cleaning and scraping structure.
[0016] Preferably, the surface of the insert plate is provided with a reserved hole, and the inside of the limiting cylinder is slidably connected with a sliding pin, the size of which is adapted to the size of the reserved hole.
[0017] The effect achieved by the above components is that when the insert plate needs to be removed, the circular block is pulled outward.
[0018] Preferably, a circular block is fixedly connected to the other end of the sliding pin, and a second spring is sleeved on the surface of the sliding pin. The two ends of the second spring are fixedly connected to the circular block and the limiting cylinder, respectively.
[0019] The effect achieved by the above components is as follows: when the circular block is released, the sliding pin is inserted into the reserved hole under the elastic force of the second spring.
[0020] In summary:
[0021] 1. In this utility model, when the material level is high, the buoyancy of the float increases, which drives the limit frame, mounting plate, and other components to move upward through the connecting rod, allowing the scraper to clean the barrel wall at a higher position. Conversely, when the liquid level drops, the float drives the entire cleaning structure to descend, ensuring that the scraper can always effectively clean the barrel wall where there is a risk of material adhesion. The bolts facilitate the fixing work when the limit cylinder is raised to the highest position and the fixing work when the limit cylinder is not in use. By setting up the cleaning structure, it is convenient to flexibly clean the material adhering to the inside of the mixing barrel, avoiding the phenomenon of workers frequently cleaning the material adhering to the inside of the mixing barrel, and improving the mixing efficiency of the material inside the mixing barrel to a certain extent.
[0022] 2. In this utility model, when the circular block is released, the sliding pin is inserted into the reserved hole under the elastic force of the second spring, thus fixing the insert plate and improving the flexibility of using the cleaning structure. By setting the assembly structure, the flexible assembly of the limiting cylinder and the insert plate is facilitated, thereby improving the flexibility of using the cleaning structure. Attached Figure Description
[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0024] Figure 2 This is a schematic diagram of the structure of the limiting frame in this utility model;
[0025] Figure 3 This is a schematic diagram of the structure of the limiting cylinder in this utility model;
[0026] Figure 4 This is a partial structural diagram of the cleaning and scraping structure in this utility model.
[0027] Legend: 1. King-type mixer; 2. Mixing rod; 3. Mixing head; 4. Scraping structure; 401. Limiting cylinder; 402. Limiting frame; 403. Connecting rod; 404. Buoyancy ball; 405. Slide plate; 406. Mounting plate; 407. Scraper; 408. First spring; 409. Bolt; 410. Draw plate; 411. Insert plate; 412. Drive rod; 5. Assembly structure; 51. Insertion hole; 52. Circular block; 53. Second spring; 54. Sliding pin; 55. Reserved hole. Detailed Implementation
[0028] Reference Figure 1 As shown, this utility model provides a technical solution: a low shear force mixing device for the production of transparent filler masterbatch, including a metal agitator 1, a stirring rod 2 rotatably connected inside the metal agitator 1, a stirring head 3 fixedly connected to the lower end of the stirring rod 2, a cleaning and scraping structure 4 on the surface of the stirring rod 2, and an assembly structure 5 between the limiting cylinder 401 and the insert plate 411.
[0029] The following section will explain the specific design and function of its cleaning structure 4 and assembly structure 5.
[0030] Reference Figure 1-4 As shown in this embodiment: the cleaning structure 4 includes a limiting cylinder 401 slidably connected to the surface of the stirring rod 2. An insert plate 411 is detachably installed on the inner side of the limiting cylinder 401. A drawer plate 410 is fixedly connected to the surface of the insert plate 411. A limiting frame 402 is slidably connected to the side wall of the drawer plate 410. A sliding plate 405 is slidably connected inside the limiting frame 402. An installation plate 406 is fixedly connected to the other end of the sliding plate 405. Two arc-shaped scraper strips 407 are fixedly installed on the inner side of the installation plate 406. Two first springs 408 are fixedly connected between the installation plate 406 and the limiting frame 402. By setting the cleaning structure 4, the flexible cleaning of materials adhering to the inside of the mixing tank is facilitated, avoiding the phenomenon of frequent cleaning of materials adhering to the inner wall of the mixing tank by workers, and improving the mixing efficiency of materials inside the mixing tank to a certain extent. A drive rod 412 is threadedly connected inside the limiting frame 402, and the drive rod 412 is rotatably connected to the insert plate 411. Rotating the drive rod 412, which is threadedly connected to the limiting frame 402 and rotatably connected to the insert plate 411, causes the drive rod 412 to move within the limiting frame 402, thereby pushing or pulling the mounting plate 406 and changing the compression degree of the first spring 408. A bolt 409 is threadedly connected internally to the limiting cylinder 401. The bolt 409 facilitates fixing the limiting cylinder 401 when it is raised to its highest position and also facilitates fixing it when not in use. A connecting rod 403 is fixedly connected to the lower surface of the limiting frame 402, and a float is fixedly connected to the lower end of the connecting rod 403. The float at the lower end of the connecting rod 403, which is fixedly connected to the lower surface of the limiting frame 402, will float up and down with the change of the liquid level of the material in the mixing tank. When the liquid level of the material is high, the buoyancy of the float increases, which will drive the limiting frame 402, the mounting plate 406 and other components to move upward through the connecting rod 403, so that the scraper 407 can scrape the tank wall at a higher position.
[0031] Reference Figure 1-3As shown, specifically, the assembly structure 5 includes an insertion hole 51 on the surface of the limiting cylinder 401, and the size of the insert plate 411 is adapted to the size of the insertion hole 51. The disassembly and assembly structure between the limiting cylinder 401 and the insert plate 411 improves the flexibility of using the cleaning structure 4. A pre-drilled hole 55 is provided on the surface of the insert plate 411, and a sliding pin 54 is slidably connected inside the limiting cylinder 401, the size of which is adapted to the size of the pre-drilled hole 55. When the insert plate 411 needs to be disassembled, the circular block 52 is pulled outwards. The other end of the sliding pin 54 is fixedly connected to the circular block 52, and a second spring 53 is sleeved on the surface of the sliding pin 54. The two ends of the second spring 53 are fixedly connected to the circular block 52 and the limiting cylinder 401, respectively. When the circular block 52 is released, under the elastic force of the second spring 53, the sliding pin 54 inserts into the pre-drilled hole 55.
[0032] Working principle: When using this low-shear mixing device for transparent filler masterbatch production, the agitator 1 is started, which drives the agitator rod 2 to rotate. The agitator head 3 at the lower end of the agitator rod 2 rotates accordingly, starting to mix the transparent filler masterbatch. Since the agitator 1 mainly generates axial thrust when rotating, the shear force exerted on the fluid is very small, which meets the low shear force requirement for transparent filler masterbatch production and can effectively avoid excessive shearing affecting the performance of the masterbatch. During the mixing process, if the material adheres to the inner wall of the mixing tank, the scraping structure 4 comes into play. When the agitator rod 2 rotates, it drives the limiting cylinder 401 synchronously. As the stirring rod 2 rotates, under the action of the first spring 408, the scraper 407 on the mounting plate 406 remains in contact with the inner wall of the mixing tank. With the rotation of the stirring rod 2, the scraper 407 scrapes along the inner wall of the mixing tank, scraping away material adhering to the inner wall and pushing it back into the tank. This ensures the material continues to participate in the mixing process, preventing material accumulation on the tank wall from affecting mixing efficiency and uniformity. When it is necessary to adjust the contact between the scraper 407 and the inner wall of the mixing tank, the drive rod 412 can be rotated. The drive rod 412 is threadedly connected to the limit frame 402 and rotatably connected to the insert plate 411. When the drive rod 412 is rotated, it moves within the limiting frame 402, thereby pushing or pulling the mounting plate 406 and changing the compression degree of the first spring 408. This adjusts the tightness of the fit between the scraper 407 and the inner wall of the mixing tank to adapt to different mixing conditions. Furthermore, the float at the lower end of the connecting rod 403, which is fixedly connected to the lower surface of the limiting frame 402, floats up and down with changes in the material level inside the mixing tank. When the material level is high, the buoyancy of the float increases, causing the limiting frame 402, mounting plate 406, and other components to move upwards via the connecting rod 403, allowing the scraper 407 to better engage different materials. The upper part of the tank wall is scraped, and conversely, when the liquid level drops, the float ball drives the entire scraping structure 4 to drop, ensuring that the scraper 407 can always effectively scrape the tank wall where there is a risk of material adhesion. The bolt 409 facilitates the fixing work when the limiting cylinder 401 is raised to the highest position, and also facilitates the fixing work when the limiting cylinder 401 is not in use. By setting up the scraping structure 4, it is convenient to flexibly scrape the material adhering to the inside of the mixing tank, avoiding the phenomenon of workers frequently scraping the material adhering to the inside of the mixing tank, and improving the mixing efficiency of the material inside the mixing tank to a certain extent.
[0033] Since the size of the insert plate 411 matches the size of the insertion hole 51 on the surface of the limiting cylinder 401, and the insert plate 411 has a reserved hole 55, a sliding pin 54 is slidably connected inside the limiting cylinder 401. The size of the sliding pin 54 matches the reserved hole 55. The other end of the sliding pin 54 is fixedly connected to a circular block 52. A second spring 53 is sleeved on the surface of the sliding pin 54. The two ends of the second spring 53 are fixedly connected to the circular block 52 and the limiting cylinder 401, respectively. When it is necessary to remove the insert plate 411, the circular block 52 is pulled outward, stretching the second spring 53, so that the sliding pin 51... 4. Once the pre-drilled hole 55 is disengaged, the insert plate 411 can be pulled out from the insertion hole 51, facilitating the replacement or repair of the components of the cleaning structure 4. During installation, insert the insert plate 411 into the insertion hole 51, release the circular block 52, and under the elastic force of the second spring 53, the sliding pin 54 inserts into the pre-drilled hole 55, completing the fixation of the insert plate 411 and improving the flexibility of using the cleaning structure 4. By setting the assembly structure 5, the flexible assembly work between the limiting cylinder 401 and the insert plate 411 is facilitated, improving the flexibility of using the cleaning structure 4.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A low shear mixing device for the production of transparent filled masterbatches, comprising a Kenwood® stirrer (1), characterized in that: The internal rotating part of the gold-type stirrer (1) is connected to a stirring rod (2). The lower end of the stirring rod (2) is fixedly connected to a stirring head (3). The surface of the stirring rod (2) is provided with a cleaning structure (4). The cleaning structure (4) includes a limiting cylinder (401) slidably connected to the surface of the stirring rod (2). The inner side of the limiting cylinder (401) is detachably installed with a plate (411). The surface of the plate (411) is fixedly connected with a draw plate (410). The side wall of the draw plate (410) is slidably connected with a limiting frame (402). The inside of the limiting frame (402) is slidably connected with a sliding plate (405). The other end of the sliding plate (405) is fixedly connected with a mounting plate (406). The inner side of the mounting plate (406) is fixedly installed with two arc-shaped scraper strips (407). Two first springs (408) are fixedly connected between the mounting plate (406) and the limiting frame (402).
2. The low shear mixing device for producing a transparent filler masterbatch according to claim 1, characterized in that: The limiting frame (402) is internally threaded with a drive rod (412), and the drive rod (412) is internally rotatably connected to the insert plate (411).
3. The low shear mixing device for producing a transparent filler masterbatch according to claim 1, characterized in that: The limiting cylinder (401) is internally threaded with bolts (409).
4. The low shear mixing device for producing a transparent filler masterbatch according to claim 1, characterized in that: A connecting rod (403) is fixedly connected to the lower surface of the limiting frame (402), and a float is fixedly connected to the lower end of the connecting rod (403).
5. The low shear mixing device for producing a transparent filler masterbatch according to claim 1, characterized in that: An assembly structure (5) is provided between the limiting cylinder (401) and the insert plate (411). The assembly structure (5) includes an insertion hole (51) opened on the surface of the limiting cylinder (401). The size of the insert plate (411) and the size of the insertion hole (51) are adapted to each other.
6. The low shear mixing device for producing a transparent filler masterbatch according to claim 5, characterized in that: The surface of the insert plate (411) is provided with a reserved hole (55), and the inside of the limiting cylinder (401) is slidably connected with a sliding pin (54), the size of the sliding pin (54) and the size of the reserved hole (55) are matched.
7. The low shear mixing device for producing a transparent filler masterbatch according to claim 6, characterized in that: The other end of the sliding pin (54) is fixedly connected to a circular block (52), and a second spring (53) is sleeved on the surface of the sliding pin (54). The two ends of the second spring (53) are fixedly connected to the circular block (52) and the limiting cylinder (401) respectively.