Emulsion polymerization reaction device

Abstract

The utility model discloses an emulsion polymerization reaction device which comprises a stirring barrel, a driving shaft is installed on the stirring barrel, a plurality of stirring rods are hinged to the driving shaft, a plurality of fixing frames are installed on the driving shaft, adjusting rods are clamped on the fixing frames in a sliding mode, movable push rods are clamped in the fixing frames in a sliding mode, and the movable push rods abut against the adjusting rods. A rack is installed on the movable push rod, a small gear is rotationally connected to the fixing frame, the small gear is connected with the rack in a meshed mode, and a first gear is installed on the small gear. The stirring rod is driven by the adjusting rod to be folded or unfolded, whether the adjusting rod and the stirring rod are used for stirring and polymerizing the emulsion or not is selected, so that the stirring and mixing effect of the emulsion in the stirring barrel is adjusted, and the same effect of adjusting the rotating speed is achieved; only one or more adjusting rods drive the stirring rod to extend out, so that different mixing and stirring effects can be achieved for emulsion polymerization under the driving of the same rotating speed of the driving shaft.

Description

Technical Field

[0001] The utility model relates to the field of emulsion polymerization reaction devices, in particular to an emulsion polymerization reaction device. Background Art

[0002] In the production process of water-based emulsion, polymerization reaction needs to be carried out, and the polymerization of emulsion is usually carried out in a reactor. The reactor is generally a vertical cylindrical autoclave with a jacket so that steam or cold water can be passed in for heating or cooling. A stirring device is set inside the polymerization reactor to promote the polymerization reaction.

[0003] In the prior art, the rotation speed of the stirring mechanism is usually adjusted by meshing gears with different transmission ratios to achieve different fusion effects required for the polymerization reaction. However, this method can also be achieved by relying on the motor's own adjustment. Therefore, an emulsion polymerization reaction device with other methods to adjust different emulsion polymerization effects is needed. Utility Model Content

[0004] Based on this, it is necessary to provide an emulsion polymerization reaction device to address the above technical problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an emulsion polymerization reaction device, including a stirring barrel, a driving shaft is installed on the stirring barrel, a plurality of stirring rods are hinged on the driving shaft, a plurality of fixed frames are installed on the driving shaft, an adjusting rod is slidably clamped on the fixed frame, a moving push rod is slidably clamped in the fixed frame, the moving push rod abuts against the adjusting rod, a rack is installed on the moving push rod, a pinion is rotatably connected to the fixed frame, the pinion is meshed with the rack, a gear 1 is installed on the pinion, a rotating rod is rotatably and slidingly sealedly connected to the stirring barrel, a threaded block is installed at the bottom of the rotating rod, the threaded block is threadedly connected to the stirring barrel, a gear 2 is installed at the bottom of the threaded block, the gear 1 and the gear 2 are matched together, a plurality of slots are provided on the adjusting rod, a block is slidably clamped in the slot, and one end of the stirring rod away from the driving shaft is hinged to the block.

[0006] Preferably, a rotary drive device is installed on the mixing barrel, a driving gear is installed on the output end of the rotary drive device, a driven gear is installed on the driving shaft, and the driving gear is meshed and connected with the driven gear.

[0007] Preferably, a friction block is mounted on the fixing frame, and the friction block abuts against the pinion gear.

[0008] Preferably, an annular anti-drop plate is installed on the rotating rod.

[0009] Preferably, a plurality of universal beads are rotatably connected to the bottom of the annular anti-fall plate.

[0010] Preferably, the output end of the rotary drive device is connected to a driving gear via a coupling.

[0011] Preferably, a pointing plate is mounted on the driven gear, and the pointing end of the pointing plate corresponds one-to-one with the fixing frame.

[0012] Preferably, a spring is installed in the fixing frame, and the output end of the spring is connected to the adjusting rod.

[0013] Compared with the prior art, this technical solution has at least one of the following beneficial effects:

[0014] The adjusting rod drives the stirring rod to fold or open, and it is selected whether to let the adjusting rod and the stirring rod stir and polymerize the emulsion, thereby adjusting the stirring and mixing effect of the emulsion in the stirring barrel, which has the same effect as adjusting the rotation speed;

[0015] By only one or more adjusting rods driving the stirring rod to extend, different mixing and stirring effects can be achieved for the emulsion polymerization under the same driving shaft speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front cross-sectional view of an embodiment of the utility model;

[0017] Figure 2 For an embodiment of the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 For an embodiment of the utility model Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 A top cross-sectional view of a fixing frame according to an embodiment of the utility model;

[0020] Figure 5 A three-dimensional diagram of a rotating rod according to an embodiment of the present utility model;

[0021] Figure 6 This is a three-dimensional diagram of the interior of a mixing barrel according to an embodiment of the present utility model;

[0022] In the figure, 1, mixing barrel; 2, driving shaft; 3, stirring rod; 4, fixing frame; 5, adjusting rod; 6, moving push rod; 7, small gear; 8, gear one; 9, rotating rod; 10, threaded block; 11, gear two; 12, slot; 13, block; 14, rotating drive device; 15, driving gear; 16, driven gear; 17, friction block; 18, annular stop plate; 19, universal ball; 20, pointing plate; 21, spring; 22, rack. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] See also Figures 1 to 6 The embodiment of the present application provides an emulsion polymerization reaction device, including a stirring barrel 1, a driving shaft 2 is installed on the stirring barrel 1, a plurality of stirring rods 3 are hinged on the driving shaft 2, a plurality of fixed frames 4 are installed on the driving shaft 2, an adjusting rod 5 is slidably connected to the fixed frame 4, a moving push rod 6 is slidably connected in the fixed frame 4, the moving push rod 6 is in contact with the adjusting rod 5, a rack 22 is installed on the moving push rod 6, a pinion 7 is installed on the fixed frame 4, the pinion 7 is meshed with the rack 22, a gear 8 is rotatably connected to the pinion 7, a rotating rod 9 is rotatably and slidably sealed to the stirring barrel 1, and the rotating rod 9 is rotatably and slidably connected to the stirring barrel 1. The sliding on the mixing barrel 1 has a certain limit and cannot be continuously lowered. A threaded block 10 is installed at the bottom of the rotating rod 9, and the threaded block 10 is threadedly connected to the mixing barrel 1. A gear 2 11 is installed at the bottom of the threaded block 10, and the gear 1 8 is matched with the gear 2 11. A plurality of slots 12 are provided on the adjusting rod 5, and a block 13 is slidably engaged in the slot 12. The end of the mixing rod 3 away from the driving shaft 2 is hinged to the block 13; the sliding sealing portion of the rotating rod 9 is longer than the threaded portion of the threaded block 10, and the diameter of the threaded block 10 is slightly larger than the diameter of the rotating rod 9, so that the rotating rod 9 is still sealed after sliding down and will not collide with the threaded portion.

[0025] When the mixing bowl 1 is in a state of being stirred, the mixing bowl 1 is moved to a stop by the push rod 9, and the mixing bowl 1 is moved to a stop by the push rod 9. ... Width, thereby the stirring effect of the mixed emulsion is minimized. When the stirring and mixing effect needs to be increased, the rack 22 drives the movable push rod 6 to retreat and no longer abut the adjusting rod 5, and the driving shaft 2 starts to rotate, and the adjusting rod 5 can be moved outward to the position where it abuts against the movable push rod 6 again through centrifugal force; after adjusting one adjusting rod 5, the driving shaft 2 drives the fixed frame 4 to rotate again, so that the gear 1 8 on the next fixed frame 4 meshes with the gear 2 11 for adjustment; one or more adjusting rods 5 can drive the stirring rod 3 to be located at different positions, so that only one or more adjusting rods 5 can play a mixing and stirring role on the mixture in the stirring barrel 1, and can also play a role in adjusting the polymerization effect, just like the difference between a single chopstick and a plurality of arc-shaped iron wires on a hand-held egg beater; after the gear 1 8 collides with the gear 2 11, the gear 2 11 will rotate by itself to adapt to the meshing with the gear 1 8; the fixed frame 4 is set higher, and the emulsion mixture will not contact it; the above operation methods can be used in conjunction with the motor to adjust the speed.

[0026] In some embodiments, in order to facilitate driving the driving shaft 2, a rotating drive device 14 is installed on the mixing barrel 1. The rotating drive device 14 can be a servo motor. A driving gear 15 is installed at the output end of the rotating drive device 14, and a driven gear 16 is installed on the driving shaft 2. The driving gear 15 is meshed and connected with the driven gear 16.

[0027] In some embodiments, in order to prevent the gear 1 8 from being easily driven by an external force to rotate the pinion 7 during stirring and mixing, a friction block 17 is installed on the fixed frame 4, and the friction block 17 abuts against the pinion 7.

[0028] In some embodiments, in order to make the rotating rod 9 stop after descending a certain distance, an annular stop plate 18 is installed on the rotating rod 9. After descending a certain distance, the annular stop plate 18 abuts against the upper surface of the mixing barrel 1.

[0029] In some embodiments, in order to reduce the friction between the annular anti-fall plate 18 and the mixing barrel 1 when the rotating rod 9 rotates, a plurality of universal beads 19 are rotatably connected to the bottom of the annular anti-fall plate 18 .

[0030] In some embodiments, in order to facilitate the rotation driving device 14 to drive the driving gear 15 to rotate, the output end of the rotation driving device 14 is connected to the driving gear 15 through a coupling.

[0031] In some embodiments, in order to facilitate observation of where the fixing frame 4 rotates, a pointing plate 20 is installed on the driven gear 16 , and the pointing end of the pointing plate 20 corresponds to the fixing frame 4 one by one.

[0032] In some embodiments, in order to facilitate the adjustment rod 5 to pop outward, a spring 21 is installed in the fixing frame 4 , and the output end of the spring 21 is connected to the adjustment rod 5 .

[0033] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. 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. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An emulsion polymerization reaction device, comprising a stirring barrel (1), wherein a driving shaft (2) is installed on the stirring barrel (1), characterized in that: A plurality of stirring rods (3) are hingedly connected to the driving shaft (2), a plurality of fixed frames (4) are installed on the driving shaft (2), an adjusting rod (5) is slidably connected to the fixed frame (4), a moving push rod (6) is slidably connected inside the fixed frame (4), the moving push rod (6) is in contact with the adjusting rod (5), a rack (22) is installed on the moving push rod (6), a pinion (7) is rotatably connected to the fixed frame (4), the pinion (7) is meshed with the rack (22), and a gear (8) is installed on the pinion (7). ), a rotating rod (9) is rotatably and slidably sealed on the mixing barrel (1), a threaded block (10) is installed at the bottom of the rotating rod (9), the threaded block (10) is threadedly connected to the mixing barrel (1), a gear 2 (11) is installed at the bottom of the threaded block (10), the gear 1 (8) and the gear 2 (11) are arranged in coordination, a plurality of slots (12) are provided on the adjustment rod (5), a slot (12) is slidably engaged with a block (13), and one end of the mixing rod (3) away from the driving shaft (2) is hinged to the block (13).

2. The emulsion polymerization reaction device according to claim 1, characterized in that: The mixing barrel (1) is provided with a rotary drive device (14), an output end of the rotary drive device (14) is provided with a driving gear (15), a driven gear (16) is provided on the driving shaft (2), and the driving gear (15) is meshingly connected with the driven gear (16).

3. The emulsion polymerization reaction device according to claim 1, characterized in that: A friction block (17) is mounted on the fixed frame (4), and the friction block (17) abuts against the pinion gear (7).

4. The emulsion polymerization reaction device according to claim 1, characterized in that: An annular anti-fall plate (18) is mounted on the rotating rod (9).

5. The emulsion polymerization reaction device according to claim 4, characterized in that: The bottom of the annular anti-fall plate (18) is rotatably connected to a plurality of universal beads (19).

6. The emulsion polymerization reaction device according to claim 2, characterized in that: The output end of the rotary drive device (14) is connected to a driving gear (15) via a coupling.

7. The emulsion polymerization reaction device according to claim 2, characterized in that: A pointing plate (20) is mounted on the driven gear (16), and a pointing end of the pointing plate (20) corresponds one-to-one to the fixing frame (4).

8. The emulsion polymerization reaction device according to claim 1, characterized in that: A spring (21) is installed in the fixing frame (4), and an output end of the spring (21) is connected to the adjusting rod (5).

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