Bubble eliminating device for polyvinyl acetate emulsion preparation

Abstract

The utility model discloses a polyvinyl acetate emulsion preparation bubble eliminating device which comprises a working barrel, a hopper-shaped barrel is arranged on the upper end face of the working barrel, a top cover is arranged at the end, away from the working barrel, of the hopper-shaped barrel, a vacuum pump is arranged on the top cover, and a hydraulic cylinder is fixedly connected to the side wall, away from the working barrel, of the top cover. A hydraulic column is arranged on the hydraulic cylinder, the end, away from the hydraulic cylinder, of the hydraulic column penetrates through the top cover and is fixedly connected with an extrusion base, the extrusion base is matched with the inner wall of the working barrel, a rotating motor is fixedly connected to the outer wall of the side, away from the top cover, of the working barrel, and a rotating shaft is arranged on the rotating motor; the end, away from the rotating motor, of the rotating shaft penetrates through the working barrel. According to the utility model, a worker can better finish the bubble elimination work, and meanwhile, the treated material can be smoothly output to the next working procedure, so that the smooth preparation work of polyvinyl acetate emulsion is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of polyvinyl acetate emulsion preparation, in particular to a bubble elimination device for polyvinyl acetate emulsion preparation. Background Art

[0002] Polyvinyl acetate emulsion is obtained by emulsion polymerization with vinyl acetate as monomer and water as dispersion medium. Polyvinyl acetate emulsion has the characteristics of high adhesive strength, fast curing speed, easy use, low price, non-toxic and safe, and no environmental pollution. It is suitable for the preparation of adhesives such as wood processing, furniture manufacturing, building decoration, book binding, fabric processing, cigarette mouthpieces, and automotive interior decoration.

[0003] When preparing polyvinyl acetate emulsion, defoaming treatment is required. For this purpose, the corresponding defoaming agent needs to be mixed into the material, and then stirred and mixed to complete the corresponding bubble elimination work. For this purpose, corresponding equipment is required. However, the bubble discharge efficiency of the existing defoaming device is low, which is not conducive to efficient production.

[0004] Therefore, we propose a device for eliminating bubbles in polyvinyl acetate emulsion to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a bubble elimination device for preparing polyvinyl acetate emulsion.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A bubble elimination device for preparing polyvinyl acetate emulsion comprises a working cylinder, wherein a bucket-shaped cylinder is provided on the upper end surface of the working cylinder, a top cover is provided on the end of the bucket-shaped cylinder away from the working cylinder, a vacuum pump is provided on the top cover, a hydraulic cylinder is fixedly connected to a side wall of the top cover away from the working cylinder, a hydraulic column is provided on the hydraulic cylinder, an end of the hydraulic column away from the hydraulic cylinder passes through the top cover and is fixedly connected to an extrusion seat, the extrusion seat is matched with the inner wall of the working cylinder, a rotating motor is fixedly connected to an outer wall of the working cylinder away from the top cover, a rotating motor is provided on the rotating motor, an end of the rotating shaft away from the rotating motor passes through the working cylinder, a rotating rope is fixedly connected to the end of the rotating shaft away from the rotating motor, an end of the rotating rope away from the rotating shaft is rotatably connected to the extrusion seat, a plurality of stirring ropes are fixedly connected to the rotating rope, and an entry and exit assembly is provided on the working cylinder.

[0008] Preferably, the inlet and outlet assembly includes a feed pipe and a discharge pipe which are respectively fixedly connected to the two ends of the working cylinder, the discharge pipe is arranged close to and away from the top cover, and ball valves are provided on the feed pipe and the discharge pipe. An auxiliary port is provided on the upper end surface of the feed pipe, and an auxiliary pipe is fixedly connected to the outer wall of the upper end of the feed pipe. The auxiliary pipe is arranged opposite to the auxiliary port, and an extrusion column is slidably connected inside the auxiliary pipe.

[0009] Preferably, the auxiliary port is arranged in a funnel shape.

[0010] Preferably, one end of the squeezing column away from the auxiliary port is fixedly connected to an operating disk.

[0011] Preferably, a plurality of feet are fixedly connected to the outer wall of the lower end of the working cylinder, and one end of the plurality of feet away from the working cylinder is commonly fixedly connected to a base, and the rotating motor is arranged on the base.

[0012] Preferably, the rotating rope and the stirring rope are both made of plastic material.

[0013] Preferably, a rotating groove is provided on one side wall of the extrusion seat close to the rotating rope, a rotating block is rotatably connected in the rotating groove, the rotating groove and the rotating block are arranged in a concave-convex matching manner, and the rotating block is fixedly connected to the rotating rope.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the staff can mix the defoaming agent into the material during the material input process with the help of the auxiliary pipe, and then cooperate with the rotation of the stirring rope to greatly improve the mixing effect of the defoaming agent and the material, and improve the bubble elimination quality of the material. At the same time, with the help of vacuum pump suction, the gas in the bubbles can be quickly discharged, further improving the bubble elimination quality of the material. Then, when the device is in a low-pressure state, the material can be smoothly discharged through the treatment with the help of the lowering of the extrusion seat, thereby ensuring the smooth progress of the preparation and processing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a bubble elimination device for preparing polyvinyl acetate emulsion proposed by the utility model;

[0017] Figure 2 This is a front structural cross-sectional view of a device for eliminating bubbles in preparing polyvinyl acetate emulsion proposed by the utility model;

[0018] Figure 3 for Figure 2 A magnified view of the structure in Figure 1.

[0019] In the figure: 1 working cylinder, 2 bucket-shaped cylinder, 3 top cover, 4 hydraulic cylinder, 5 hydraulic column, 6 extrusion seat, 7 rotating motor, 8 rotating shaft, 9 rotating rope, 10 stirring rope, 11 feeding pipe, 12 discharging pipe, 13 ball valve, 14 auxiliary port, 15 auxiliary pipe, 16 extrusion column, 17 vacuum pump, 18 operating panel, 19 foot, 20 base, 21 rotating trough, 22 rotating block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 A device for eliminating bubbles in the preparation of polyvinyl acetate emulsion comprises a working cylinder 1, a plurality of feet 19 are fixedly connected to the outer wall of the lower end of the working cylinder 1, a base 20 is fixedly connected to the end of the plurality of feet 19 away from the working cylinder 1, a rotating motor 7 is arranged on the base 20, so that the device can be placed better, a bucket-shaped cylinder 2 is arranged on the upper end surface of the working cylinder 1, so that with the help of the inclined setting of the bucket-shaped cylinder 2, the extrusion seat 6 can smoothly fit the working cylinder 1 to complete the closed extrusion work when it descends, and will not interfere with the exhaust work when it rises and stays in the top cover 3, and the bucket-shaped cylinder 2 is away from the working cylinder 1. A top cover 3 is provided at one end, and a vacuum pump 17 is provided on the top cover 3. In this way, the bubbles can be broken faster and better by suction with the help of the vacuum pump 17, and then the bubble elimination work is completed. A hydraulic cylinder 4 is fixedly connected to the side wall of the top cover 3 away from the working cylinder 1, and a hydraulic column 5 is provided on the hydraulic cylinder 4. The end of the hydraulic column 5 away from the hydraulic cylinder 4 passes through the top cover 3 and is fixedly connected to an extrusion seat 6. The extrusion seat 6 is matched with the inner wall of the working cylinder 1. A rotating motor 7 is fixedly connected to the outer wall of the working cylinder 1 away from the top cover 3. A rotating shaft 8 is provided on the rotating motor 7, and the end of the rotating shaft 8 away from the rotating motor 7 passes through the working cylinder 1;

[0022] One end of the rotating shaft 8 away from the rotating motor 7 is fixedly connected with a rotating rope 9, and one end of the rotating rope 9 away from the rotating shaft 8 is rotatably connected to the extrusion seat 6. A rotating groove 21 is provided on a side wall of the extrusion seat 6 close to the rotating rope 9, and a rotating block 22 is rotatably connected in the rotating groove 21. The rotating groove 21 and the rotating block 22 are arranged in a concave-convex matching manner, and the rotating block 22 is fixedly connected to the rotating rope 9, so that the connection work of the rotating rope 9 can be smoothly completed without interfering with the rotation of the rotating rope 9. A plurality of stirring ropes 10 are fixedly connected to the rotating rope 9, and the rotating rope 9 and the stirring rope 10 are both made of plastic material, which is sturdy, durable, and easy to clean. The rotating rope 9 and the stirring rope 10 made of plastic can smoothly complete the rotating stirring work, and can be easily deformed without interfering with the lifting work of the extrusion seat 6. An in-and-out assembly is provided on the working cylinder 1, and the in-and-out assembly includes respectively fixed A feed pipe 11 and a discharge pipe 12 are fixedly connected to the two ends of the working cylinder 1, and the discharge pipe 12 is arranged close to and away from the top cover 3. Ball valves 13 are provided on the feed pipe 11 and the discharge pipe 12. An auxiliary port 14 is provided on the upper end surface of the feed pipe 11, and the auxiliary port 14 is arranged in a funnel shape. Such a funnel-shaped arrangement makes the connection between the lower end of the auxiliary port 14 and the feed pipe 11 relatively narrow, thereby preventing the defoaming agent from entering the feed pipe 11 too quickly, making it convenient for the staff to control the extrusion column 16 for extrusion, and then smoothly complete the uniform mixing of the defoaming agent. An auxiliary pipe 15 is fixedly connected to the outer wall of the upper end of the feed pipe 11, and the auxiliary pipe 15 is arranged opposite to the auxiliary port 14. An extrusion column 16 is slidably connected in the auxiliary pipe 15, and an operating disk 18 is fixedly connected to the end of the extrusion column 16 away from the auxiliary port 14, so that it is convenient for the staff to push and pull the extrusion column 16 with the help of the operating disk 18.

[0023] During the use of the utility model, first close the ball valve 13 on the discharge pipe 12, open the ball valve 13 on the feed pipe 11, and input the corresponding material into the working cylinder 1 with the help of the feed pipe 11. At this time, there is a certain amount of defoaming agent in the auxiliary pipe 15. The staff can slide in the auxiliary pipe 15 with the help of the extrusion column 16 to squeeze the defoaming agent into the feed pipe 11 through the auxiliary port 14, so that the defoaming agent can be evenly mixed with the material, and then enter the working cylinder 1 for processing. At this time, the rotating motor 7 drives the rotating rope 9 and multiple stirring ropes 10 to rotate through the rotating shaft 8, and the material and the defoaming agent falling into the working cylinder 1 can be stirred and mixed, so that the material can better complete the defoaming work. Then, when the material input is completed, the staff can close the ball valve 13 on the feed pipe 11, so that the material in the working cylinder 1 In a closed state, the vacuum pump 17 can be turned on for suction work, which can make the working cylinder 1 in a low-pressure state, so that the bubbles can be better broken, and then the bubbles in the material can be better eliminated, which greatly improves the material processing quality. Then, after the work is completed, the staff can turn off the rotating motor 7 and the vacuum pump 17, and turn on the hydraulic cylinder 4, so that the hydraulic cylinder 4 controls the hydraulic column 5 to push the extrusion seat 6 down into the working cylinder 1 and contact the material liquid surface, and then open the ball valve 13 on the discharge pipe 12, so that when the extrusion seat 6 continues to descend, the material can be smoothly pushed through the discharge pipe 12 to be discharged to the next process equipment, avoiding the low pressure caused by suction that makes it impossible for the material to be discharged smoothly, which greatly guarantees the smooth progress of the preparation of polyvinyl acetate emulsion.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for eliminating bubbles in the preparation of polyvinyl acetate emulsion, comprising a working cylinder (1), characterized in that: A bucket-shaped cylinder (2) is provided on the upper end surface of the working cylinder (1), a top cover (3) is provided on the end of the bucket-shaped cylinder (2) away from the working cylinder (1), a vacuum pump (17) is provided on the top cover (3), a hydraulic cylinder (4) is fixedly connected to the side wall of the top cover (3) away from the working cylinder (1), a hydraulic column (5) is provided on the hydraulic cylinder (4), and an end of the hydraulic column (5) away from the hydraulic cylinder (4) passes through the top cover (3) and is fixedly connected to an extrusion seat (6), the extrusion seat (6) is matched with the inner wall of the working cylinder (1), and the working cylinder (1) is provided with a plurality of hydraulic columns (5). A rotating motor (7) is fixedly connected to the outer wall of the working cylinder (1) at one side away from the top cover (3); a rotating shaft (8) is provided on the rotating motor (7); an end of the rotating shaft (8) away from the rotating motor (7) passes through the working cylinder (1); an end of the rotating shaft (8) away from the rotating motor (7) is fixedly connected to a rotating rope (9); an end of the rotating rope (9) away from the rotating shaft (8) is rotatably connected to the extrusion seat (6); a plurality of stirring ropes (10) are fixedly connected to the rotating rope (9); and an inlet and outlet assembly is provided on the working cylinder (1).

2. A device for eliminating bubbles in polyvinyl acetate emulsion according to claim 1, characterized in that: The inlet and outlet assembly comprises a feed pipe (11) and a discharge pipe (12) respectively fixedly connected to the two ends of the working cylinder (1); the discharge pipe (12) is arranged close to and away from the top cover (3); the feed pipe (11) and the discharge pipe (12) are both provided with a ball valve (13); an auxiliary port (14) is provided on the upper end surface of the feed pipe (11); an auxiliary pipe (15) is fixedly connected to the outer wall of the upper end of the feed pipe (11); the auxiliary pipe (15) is arranged opposite to the auxiliary port (14); and an extrusion column (16) is slidably connected inside the auxiliary pipe (15).

3. A device for eliminating bubbles in polyvinyl acetate emulsion preparation according to claim 2, characterized in that: The auxiliary port (14) is arranged in a funnel shape.

4. A device for eliminating bubbles in polyvinyl acetate emulsion preparation according to claim 2, characterized in that: An end of the squeezing column (16) away from the auxiliary port (14) is fixedly connected to an operating panel (18).

5. The device for eliminating bubbles in preparing polyvinyl acetate emulsion according to claim 1, characterized in that: A plurality of feet (19) are fixedly connected to the outer wall of the lower end of the working cylinder (1), and one end of the plurality of feet (19) away from the working cylinder (1) is commonly fixedly connected to a base (20), and the rotating motor (7) is arranged on the base (20).

6. The device for eliminating bubbles in preparing polyvinyl acetate emulsion according to claim 1, characterized in that: The rotating rope (9) and the stirring rope (10) are both made of plastic material.

7. The device for eliminating bubbles in preparing polyvinyl acetate emulsion according to claim 1, characterized in that: A rotating groove (21) is provided on a side wall of the extrusion seat (6) close to the rotating rope (9), a rotating block (22) is rotatably connected in the rotating groove (21), the rotating groove (21) and the rotating block (22) are arranged in a concave-convex matching manner, and the rotating block (22) is fixedly connected to the rotating rope (9).

Images