Rotor sealing device

Abstract

The utility model relates to the technical field of internal mixers, in particular to a rotor sealing device which comprises a rotor body. The sealing structure comprises a first placing groove and a second placing groove, and the rotor body is sealed through the sealing structure; the number of the buckle structures is two, and the first containing groove and the second containing groove are connected through the buckle structures; according to the device, after a rotor body is placed through a first placement groove and a second placement groove, the two ends of the rotor body are placed through four splicing grooves formed correspondingly, use of the rotor body is facilitated, connection of the first placement groove and the second placement groove is achieved through sliding connection of placement rods into placement holes, and after installation is completed, the rotor body can be conveniently placed. The rotating ring rotates on the fixed shaft to drive the buckle plate to rotate, so that the buckle plate can be connected with the two buckle blocks to seal the rotor body, and meanwhile, after the buckle plate is rotated, the first placement groove or the second placement groove is conveniently taken down, so that the rotor body is conveniently taken out.

Description

Technical Field

[0001] The utility model relates to the technical field of internal mixers, in particular to a rotor sealing device. Background Art

[0002] In the technical field of internal mixers, an internal mixer is a device used for plasticizing and mixing polymeric materials. The internal mixer can be used to manufacture polymeric materials. The internal mixer consists of a mixing chamber and a rotor. The polymeric materials are processed by the internal mixing work of the rotor in the mixing chamber. The sealing of the rotor can have a beneficial effect on the internal mixing effect. The present application discloses a rotor sealing device, which is used to provide a device for sealing a rotor installed in the internal mixer to facilitate the use of the internal mixer.

[0003] According to the patent publication number CN209682672U, a rotor sealing structure of an internal mixer is disclosed, which includes: a rotor body, a rotor shaft, a dynamic wear-resistant ring, a positioning sleeve and a pin. The rotor body, the positioning sleeve and the dynamic wear-resistant ring are all sleeved on the rotor shaft. In the axial direction of the rotor shaft, the positioning sleeve is arranged between the rotor body and the dynamic wear-resistant ring. One side of the positioning sleeve is connected to the rotor shaft through the pin. The other side of the positioning sleeve opposite to the pin is provided with a screw hole. The dynamic wear-resistant ring is connected to the positioning sleeve through a bolt adapted to the screw hole, and the dynamic wear-resistant ring is detachably connected to the rotor shaft.

[0004] Although the above device realizes the sealing device of the rotor of the internal mixer, it is inconvenient to take out the rotor at any time, which may cause certain inconveniences during the maintenance of the rotor. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a rotor sealing device to solve the problem in the background art that it is inconvenient to take out the rotor at any time, which may have a certain impact on the maintenance of the rotor.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotor sealing device, comprising: a rotor body; a sealing structure: the sealing structure comprises a first placement groove and a second placement groove, and the rotor body is sealed by the sealing structure; a snap structure: there are two snap structures, and the two snap structures are both installed between the first placement groove and the second placement groove, and the first placement groove and the second placement groove are connected by the snap structure.

[0009] By adopting the above technical solution, the first placement groove and the second placement groove are spliced ​​together to form a groove body for sealing the rotor body. After the rotor body is placed between the first placement groove and the second placement groove, the first placement groove and the second placement groove are connected by two snap structures, thereby achieving sealing and fixing of the rotor body. After the first placement groove or the second placement groove is disassembled, the rotor body can be easily taken out to facilitate the maintenance of the rotor body.

[0010] Optionally, the sealing structure also includes four insertion rods, the first placement groove is provided with four insertion holes, the four insertion rods are fixedly connected to the bottom end of the second placement groove, the four insertion rods are respectively slidably connected in the four insertion holes, the first placement groove and the second placement groove are provided with four splicing grooves, the rotor body is installed in the eight splicing grooves, and sliding pads are fixedly connected in the eight splicing grooves.

[0011] By adopting the above technical solution, the first placement groove and the second placement groove are spliced ​​by slidingly connecting four insertion rods in four insertion holes respectively, and the four splicing grooves opened on the first placement groove and the four splicing grooves opened on the second placement groove cooperate with each other to form four hole bodies, and the two ends of the rotor body are placed through the four hole bodies, and the friction of the rotor body is reduced by the sliding pad to facilitate the normal use of the rotor body.

[0012] Optionally, both the first placement groove and the second placement groove are provided with observation ports, and glass plates are fixedly connected to the two observation ports.

[0013] By adopting the above technical solution, the two glass plates are fixed through the two observation ports respectively, so that the internal rotor body condition can be easily viewed through the two glass plates, thereby facilitating the observation of the rotor operation condition at any time.

[0014] Optionally, the snap structure includes two fixed plates, a snap plate and two snap blocks, the two fixed plates are fixedly connected to the side ends of the first placement slot, a fixed shaft is fixedly connected between the two fixed plates, two rotating rings are rotatably connected to the fixed shaft, the snap plate is fixedly connected to the two rotating rings, the two snap blocks are fixedly connected to the side ends of the second placement slot, two snap grooves are provided on the snap plate, and the two snap blocks are slidably connected in the two snap grooves, respectively.

[0015] By adopting the above technical solution, the fixed shaft is supported and fixed by two fixing plates, and the snap plate is driven to rotate by two rotating rings on the fixed shaft. After the first placement groove and the second placement groove are spliced, the snap plate is rotated so that the snap plate and the two snap blocks can be snapped with each other, thereby connecting the first placement groove and the second placement groove to achieve sealing of the rotor body. After the snap plate is removed, it is convenient to take out the rotor body.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a rotor sealing device, which has the following beneficial effects:

[0018] After the rotor body is placed through the first placement groove and the second placement groove, the rotor sealing device places the two ends of the rotor body through the four splicing grooves respectively opened, which is convenient for the use of the rotor body. The first placement groove and the second placement groove are connected by sliding the insertion rod in the insertion hole. After the installation is completed, the snap plate is driven to rotate by rotating the rotating ring on the fixed shaft, so that the snap plate can be connected with the two snap blocks, thereby realizing the connection between the first placement groove and the second placement groove, and realizing the sealing of the rotor body. At the same time, after the snap plate is rotated, it is convenient to remove the first placement groove or the second placement groove, so as to facilitate the removal of the rotor body. After the rotor body is sealed, the device is convenient for taking out the rotor body, thereby improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the main view of the utility model;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the first placement slot and the rotor body of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the second placement slot of the utility model when viewed from above;

[0022] Figure 4 For this utility model Figure 1 A schematic diagram of the three-dimensional structure enlarged at the A mark in the middle;

[0023] In the figure: 1, rotor body; 2, first placement groove; 3, second placement groove; 4, insertion rod; 5, sliding pad; 6, glass plate; 7, fixing plate; 8, snap plate; 9, snap block; 10, fixing shaft; 11, rotating ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] See also Figures 1 to 4A rotor sealing device comprises: a rotor body 1; a sealing structure: the sealing structure comprises a first placement groove 2 and a second placement groove 3, and the rotor body 1 is sealed by the sealing structure; a buckle structure: there are two buckle structures, both of which are installed between the first placement groove 2 and the second placement groove 3, and the first placement groove 2 and the second placement groove 3 are connected by the buckle structure, and the first placement groove 2 and the second placement groove 3 are spliced ​​with each other to form a groove body for sealing the rotor body 1. After the rotor body 1 is placed between the first placement groove 2 and the second placement groove 3, the first placement groove 2 and the second placement groove 3 are connected by the two buckle structures, so as to realize the sealing and fixing of the rotor body 1, and after the first placement groove 2 is placed Or after the second placement groove 3 is disassembled, it is convenient to take out the rotor body 1, so as to facilitate the maintenance of the rotor body 1. The sealing structure also includes four insertion rods 4. The first placement groove 2 is provided with four insertion holes. The four insertion rods 4 are fixedly connected to the bottom end of the second placement groove 3. The four insertion rods 4 are respectively slidably connected in the four insertion holes. The first placement groove 2 and the second placement groove 3 are provided with four splicing grooves. The rotor body 1 is installed in the eight splicing grooves. The eight splicing grooves are fixedly connected with sliding pads 5. The splicing of the first placement groove 2 and the second placement groove 3 is achieved by slidingly connecting the four insertion rods 4 in the four insertion holes respectively. The four splicing grooves opened on the first placement groove 2 and the second placement groove 3 are opened. The four splicing grooves cooperate with each other to form four holes, through which the two ends of the rotor body 1 are placed, and the friction of the rotor body 1 is reduced by the sliding pad 5, so as to facilitate the normal use of the rotor body 1. The first placement groove 2 and the second placement groove 3 are both provided with observation ports, and the two observation ports are fixedly connected with glass plates 6. The two glass plates 6 are fixed through the two observation ports respectively, and the internal rotor body 1 is convenient to be checked through the two glass plates 6, so as to facilitate the observation of the rotor operation status at any time. The buckle structure includes two fixing plates 7, a buckle plate 8 and two buckle blocks 9. The two fixing plates 7 are fixedly connected to the side ends of the first placement groove 2, and a fixing shaft 10 is fixedly connected between the two fixing plates 7. There are two rotating rings 11 rotatably connected to the fixed shaft 10, and the snap plate 8 is fixedly connected to the two rotating rings 11. The two snap blocks 9 are fixedly connected to the side ends of the second placement groove 3. Two snap grooves are provided on the snap plate 8. The two snap blocks 9 are respectively slidably connected in the two snap grooves. The fixed shaft 10 is supported and fixed by two fixed plates 7. The snap plate 8 is driven to rotate on the fixed shaft 10 by the two rotating rings 11. After the first placement groove 2 and the second placement groove 3 are spliced, the snap plate 8 is rotated so that the snap plate 8 and the two snap blocks 9 can be snapped with each other, thereby connecting the first placement groove 2 and the second placement groove 3 to achieve sealing of the rotor body 1. After the snap plate 8 is removed, it is convenient to take out the rotor body 1.

[0026] To sum up, the working principle and working process of the rotor sealing device are as follows: when in use, the device is moved to a suitable position, and after the rotor body 1 is placed through the first placement groove 2 and the second placement groove 3, the two ends of the rotor body 1 are placed through the four splicing grooves respectively opened, which is convenient for the use of the rotor body 1, and the connection between the first placement groove 2 and the second placement groove 3 is realized by sliding the insertion rod 4 in the insertion hole. After the installation is completed, the snap plate 8 is driven to rotate on the fixed shaft 10 by rotating the rotating ring 11, so that the snap plate 8 can be connected to the two snap blocks 9, thereby realizing the connection between the first placement groove 2 and the second placement groove 3, and realizing the sealing of the rotor body 1. At the same time, after the snap plate 8 is rotated, it is convenient to remove the first placement groove 2 or the second placement groove 3, so as to facilitate the removal of the rotor body 1.

[0027] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A rotor sealing device, characterized in that: include: Rotor body (1); Sealing structure: the sealing structure comprises a first placement groove (2) and a second placement groove (3), and the rotor body (1) is sealed by the sealing structure. The sealing structure also comprises four insertion rods (4), the first placement groove (2) is provided with four insertion holes, the four insertion rods (4) are fixedly connected to the bottom end of the second placement groove (3), and the four insertion rods (4) are respectively slidably connected in the four insertion holes. The first placement groove (2) and the second placement groove (3) are provided with four splicing grooves, and the rotor body (1) is installed in the eight splicing grooves, and the eight splicing grooves are fixedly connected with sliding pads (5); Buckle structure: There are two buckle structures, both of which are installed between the first placement groove (2) and the second placement groove (3), and the first placement groove (2) and the second placement groove (3) are connected by the buckle structure.

2. A rotor sealing device according to claim 1, characterized in that: The first placement groove (2) and the second placement groove (3) are both provided with observation ports, and glass plates (6) are fixedly connected to the two observation ports.

3. A rotor sealing device according to claim 1, characterized in that: The buckle structure comprises two fixing plates (7), a buckle plate (8) and two buckle blocks (9); the two fixing plates (7) are fixedly connected to the side ends of the first placement groove (2); a fixing shaft (10) is fixedly connected between the two fixing plates (7); two rotating rings (11) are rotatably connected to the fixing shaft (10); the buckle plate (8) is fixedly connected to the two rotating rings (11); the two buckle blocks (9) are fixedly connected to the side ends of the second placement groove (3); two buckle grooves are provided on the buckle plate (8); and the two buckle blocks (9) are slidably connected in the two buckle grooves, respectively.

Images