Emulsifying device for EVA resin production

Abstract

The utility model belongs to the technical field of resin production emulsification, and particularly relates to an EVA resin production emulsification device which comprises an emulsification tank, a servo motor is assembled on the outer wall of the emulsification tank, a threaded rod is installed at the output end of the servo motor, one end of the threaded rod penetrates through and is rotatably installed on the inner wall of one side of a rectangular groove of the threaded rod, and a guide rod is fixedly connected between the two sides of the rectangular groove. A sliding plate is movably installed on the outer walls of the guide rod and the threaded rod in a matched mode, a discharging port is formed in the sliding plate, a scale rod is fixedly connected to one side of the sliding plate, the servo motor drives the threaded rod to rotate, the sliding plate is guided by the guide rod to linearly move along the threaded rod, and the opening degree of the discharging port can be changed through movement of the sliding plate. The discharging amount can be judged by observing the extending length of the scale rod on the outer side of the emulsifying tank, the longer the scale rod extends, the larger the opening degree of the discharging port is, and the larger the discharging amount is, so that the opening degree of the discharging port is adjusted, the discharging amount of resin can be accurately controlled, and the accuracy and controllability of the production process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of resin production emulsification, in particular to an EVA resin production emulsification device. Background Art

[0002] EVA resin, namely ethylene-vinyl acetate copolymer, has the characteristics of good flexibility, impact resistance, low temperature resistance, etc. During its production process, in order to help the EVA resin to be better dispersed in the reaction system and make the reaction more uniform and sufficient, emulsification operation is required, so an emulsification device is needed.

[0003] A Chinese patent with announcement number CN219051020U discloses an emulsification tank for acrylic resin production, including a tank body, a lifting plate is arranged at the upper end of the inner side of the tank body, a sealing cylinder is fixedly connected to the top of the lifting plate, a column is fixedly connected to the top of the lifting plate, and a connecting ring is fixedly connected to the top of the column. The utility model can conveniently apply a downward pressure inside the tank body when discharging materials, push the materials by air pressure, facilitate the rapid discharge of materials, and also reduce the possibility of blockage caused by materials deposited at the bottom.

[0004] However, the above-mentioned emulsification device still has some problems. In practical applications, the discharge speed of the emulsified resin cannot be controlled, resulting in unstable discharge speed, which will affect the continuity of subsequent processes and thus affect the production efficiency of the resin. Therefore, an EVA resin production emulsification device is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model proposes an EVA resin production emulsification device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an EVA resin production emulsification device described in the utility model includes an emulsification tank, a discharging control component is installed at the bottom end of the emulsification tank, and the discharging control component includes a rectangular groove, which is arranged inside the inner end of the emulsification tank, and a servo motor is installed on the outer wall of the emulsification tank, and a threaded rod is installed at the output end of the servo motor, one end of the threaded rod passes through the rectangular groove and is rotatably installed on one side of the inner wall, and a guide rod is fixedly connected between the two sides of the other end of the rectangular groove, and the guide rod and A slide plate is movably mounted on the outer wall of the threaded rod, a discharge port is provided inside the slide plate, a scale rod is fixedly connected to one side of the slide plate, one end of the scale rod slides through and extends to the outside of the emulsification tank, the longer the scale rod is in the emulsification tank, the greater the opening and closing degree of the discharge port is, a discharge pipe is connected to the bottom side of the emulsification tank, a discharge valve is installed inside the discharge pipe, the radius of the discharge pipe is the same as the radius of the discharge port, the opening and closing degree of the discharge port can be adjusted, and the discharge amount of the resin can be accurately controlled, thereby improving the accuracy and controllability of the production process.

[0007] Preferably, a stirring motor is installed on the top side of the emulsification tank, a rotating shaft is installed on the output end of the stirring motor, one end of the rotating shaft passes through the emulsification tank, and a spiral blade is installed on the outer wall of the rotating shaft, so as to push the solution at the bottom of the emulsification tank upwards and improve the uniformity of the emulsification operation.

[0008] Preferably, two connecting rods are symmetrically fixed to the outer wall of the top end of the rotating shaft, and six stirring rods are equidistantly fixed to the outer wall of the connecting rods. A scraper is provided at one end of the stirring rod, and the scraper is arranged to fit the inner wall of the emulsification tank to ensure that the resin is fully stirred and effectively prevent the resin from adhering to the tank wall, thereby further ensuring the uniformity and efficiency of the stirring.

[0009] Preferably, the top side of the emulsification tank is connected with a feed port, so that the resin or other raw materials can be conveniently added into the emulsification tank.

[0010] Preferably, three supporting legs are equidistantly installed on the bottom side of the emulsification tank, and a perspective window is provided on the outer wall of the emulsification tank to facilitate observation of the operation conditions inside the emulsification tank.

[0011] Preferably, a control panel is installed on the outer wall of the emulsification tank, and the control panel is used to control the operation of the electrical components inside the device, thereby realizing centralized control of the electrical components inside the device and improving the convenience of device operation.

[0012] The utility model is beneficial in that:

[0013] 1. The servo motor of the utility model drives the threaded rod to rotate, so that the slide plate moves linearly along the threaded rod under the guidance of the guide rod. The movement of the slide plate will change the opening and closing degree of the discharge port. The size of the discharge amount can be judged by observing the extension length of the scale rod outside the emulsification tank. The longer the scale rod is extended, the greater the opening and closing degree of the discharge port, and the greater the discharge amount. By adjusting the opening and closing degree of the discharge port, the discharge amount of the resin can be accurately controlled, thereby improving the accuracy and controllability of the production process;

[0014] 2. The stirring motor of the utility model drives the rotation of the rotating shaft and the connecting rod, and pushes the resin and other raw materials from bottom to top along the surface of the spiral blade, which helps to evenly distribute and circulate the resin and other raw materials in the emulsification tank. At the same time, the rotation of the stirring rod stirs the material, enhances the stirring effect, and promotes uniform mixing of the resin and other raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the structure of the utility model from the middle axis side view;

[0017] Figure 2 This is a schematic diagram of the internal structure of the emulsification tank;

[0018] Figure 3 It is a schematic diagram of the structure of the discharging control component;

[0019] Figure 4 Schematic diagram of the stirring assembly structure.

[0020] In the figure: 1. emulsifying tank; 2. rectangular groove; 3. servo motor; 4. threaded rod; 5. guide rod; 6. slide plate; 7. discharge port; 8. scale rod; 9. discharge pipe; 10. discharge valve; 11. stirring motor; 12. rotating shaft; 13. spiral blade; 14. connecting rod; 15. stirring rod; 16. scraper; 17. feed port; 18. support leg; 19. perspective window; 20. control panel. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 As shown, an EVA resin production emulsification device comprises an emulsification tank 1, a discharging control assembly is installed at the bottom end of the emulsification tank 1, the discharging control assembly comprises a rectangular groove 2, the rectangular groove 2 is opened inside the inner end of the emulsification tank 1, a servo motor 3 is mounted on the outer wall of the emulsification tank 1, a threaded rod 4 is installed at the output end of the servo motor 3, one end of the threaded rod 4 passes through the rectangular groove 2 and is rotatably mounted on one side of the inner wall, a guide rod 5 is fixedly connected between the two sides of the other end of the rectangular groove 2, a slide plate 6 is movably mounted on the outer wall of the guide rod 5 and the threaded rod 4, a discharging port 7 is opened inside the slide plate 6, a scale rod 8 is fixedly connected to one side of the slide plate 6, one end of the scale rod 8 slides through and extends to the outside of the emulsification tank 1, the longer the scale rod 8 is in the emulsification tank 1, that is, the greater the opening and closing degree of the discharging port 7, a discharging pipe 9 is connected to the bottom side of the emulsification tank 1, the inside of the discharging pipe 9 A discharge valve 10 is installed, and a control panel 20 is installed on the outer wall of the emulsification tank 1; when working, in actual application, the discharge speed of the emulsified resin cannot be controlled, resulting in unstable discharge speed, which will affect the continuity of subsequent processes and thus affect the production efficiency of the resin. When discharging is required, the servo motor 3 drives the threaded rod 4 to rotate, so that the slide plate 6 moves linearly along the threaded rod 4 under the guidance of the guide rod 5. The movement of the slide plate 6 will change the opening and closing degree of the discharge port 7. The amount of discharge can be judged by observing the extended length of the scale rod 8 on the outside of the emulsification tank 1. The longer the scale rod 8 is extended, the greater the opening and closing degree of the discharge port 7, and the greater the discharge amount. On the contrary, the discharge amount is small. Open the discharge valve 10, and the material flowing out of the discharge port 7 will flow to the next process step through the discharge pipe 9, so as to adjust the opening and closing degree of the discharge port 7, and the discharge amount of the resin can be accurately controlled, thereby improving the accuracy and controllability of the production process.

[0023] See also Figure 1 , 34, a stirring motor 11 is installed on the top side of the emulsification tank 1, and a rotating shaft 12 is installed on the output end of the stirring motor 11, one end of the rotating shaft 12 is arranged to penetrate the emulsification tank 1, and a spiral blade 13 is installed on the outer wall of the rotating shaft 12, and two connecting rods 14 are symmetrically fixedly connected to the outer wall of the top end of the rotating shaft 12, and six stirring rods 15 are fixedly connected to the outer wall of the connecting rod 14 at equal intervals, and one end of the stirring rod 15 is equipped with a scraper 16, and the scraper 16 is arranged to fit the inner wall of the emulsification tank 1, a feed port 17 is connected to the top side of the emulsification tank 1, and three supporting legs 18 are equidistantly installed on the bottom side of the emulsification tank 1, and a perspective window 19 is opened on the outer wall of the emulsification tank 1; when working, in the process of resin production, in order to help it in the reaction body In order to better disperse the resin in the system and make the reaction more uniform and sufficient, an emulsification operation is required. In order to increase the emulsification effect of the resin, the resin and other raw materials enter the emulsification tank 1 through the feed port 17, and the stirring motor 11 drives the rotation of the rotating shaft 12 and the connecting rod 14 to push the resin and other raw materials from bottom to top along the surface of the spiral blade 13, which helps the resin and other raw materials to be evenly distributed and circulated in the emulsification tank 1. At the same time, the rotation of the stirring rod 15 stirs the material to enhance the stirring effect and promote the uniform mixing of the resin and other raw materials. When the stirring rod 15 rotates with the rotating shaft 12, the scraper 16 will scrape off the residual material on the inner wall to prevent the material from being deposited on the bottom or wall of the tank, ensuring that the material is fully involved in the stirring. During the emulsification process, the emulsification condition inside the emulsification tank 1 can be observed through the perspective window 19.

[0024] Working principle: resin and other raw materials enter the emulsification tank 1 through the feed port 17, and the stirring motor 11 drives the rotation of the rotating shaft 12 and the connecting rod 14 to push the resin and other raw materials from bottom to top along the surface of the spiral blade 13, which helps the resin and other raw materials to be evenly distributed and circulated in the emulsification tank 1. At the same time, the rotation of the stirring rod 15 stirs the material to enhance the stirring effect and promote the uniform mixing of the resin and other raw materials. When the stirring rod 15 rotates with the rotating shaft 12, the scraper 16 will scrape off the residual material on the inner wall to prevent the material from being deposited on the bottom or wall of the tank, ensuring that the material is fully involved in the stirring. During the emulsification process, the emulsification condition inside the emulsification tank 1 can be observed through the perspective window 19;

[0025] When discharging is required, the servo motor 3 drives the threaded rod 4 to rotate, so that the slide plate 6 moves linearly along the threaded rod 4 under the guidance of the guide rod 5. The movement of the slide plate 6 will change the opening and closing degree of the discharge port 7. The amount of discharge can be judged by observing the extended length of the scale rod 8 on the outside of the emulsification tank 1. The longer the scale rod 8 is extended, the greater the opening and closing degree of the discharge port 7, and the greater the discharge amount. On the contrary, the discharge amount is small. Open the discharge valve 10, and the material flowing out of the discharge port 7 will flow to the next process step through the discharge pipe 9, thereby realizing the adjustment of the opening and closing degree of the discharge port 7, and the discharge amount of the resin can be accurately controlled, thereby improving the accuracy and controllability of the production process.

[0026] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An EVA resin production emulsification device, characterized in that: The invention comprises an emulsification tank (1), wherein a discharge control assembly is installed at the bottom end of the emulsification tank (1), wherein the discharge control assembly comprises a rectangular groove (2), wherein the rectangular groove (2) is arranged inside the inner end of the emulsification tank (1), wherein a servo motor (3) is mounted on the outer wall of the emulsification tank (1), wherein a threaded rod (4) is mounted at the output end of the servo motor (3), wherein one end of the threaded rod (4) passes through the rectangular groove (2) and is rotatably mounted on one inner wall thereof, wherein a guide rod (5) is fixedly connected between the two sides of the other end of the rectangular groove (2), wherein the guide rod (5) and the threaded rod ( A slide plate (6) is movably mounted on the outer wall of the emulsifying tank (4), a discharge port (7) is provided inside the slide plate (6), a scale rod (8) is fixedly connected to one side of the slide plate (6), one end of the scale rod (8) slides through and extends to the outside of the emulsifying tank (1), the longer the scale rod (8) is in the emulsifying tank (1), the greater the opening and closing degree of the discharge port (7), a discharge pipe (9) is connected to the bottom side of the emulsifying tank (1), a discharge valve (10) is installed inside the discharge pipe (9), and the radius of the discharge pipe (9) is the same as the radius of the discharge port (7).

2. An EVA resin production emulsification device according to claim 1, characterized in that: A stirring motor (11) is installed on the top side of the emulsification tank (1), a rotating shaft (12) is installed on the output end of the stirring motor (11), one end of the rotating shaft (12) passes through the emulsification tank (1), and a spiral blade (13) is installed on the outer wall of the rotating shaft (12).

3. An EVA resin production emulsification device according to claim 2, characterized in that: Two connecting rods (14) are symmetrically fixedly connected to the outer wall of the top end of the rotating shaft (12), and six stirring rods (15) are equidistantly fixedly connected to the outer wall of the connecting rod (14). One end of the stirring rod (15) is equipped with a scraper (16), and the scraper (16) is arranged to fit the inner wall of the emulsification tank (1).

4. An EVA resin production emulsification device according to claim 3, characterized in that: The top side of the emulsification tank (1) is connected with a feed port (17).

5. An EVA resin production emulsification device according to claim 4, characterized in that: Three supporting legs (18) are equidistantly mounted on the bottom side of the emulsification tank (1), and a perspective window (19) is provided on the outer wall of the emulsification tank (1).

6. An EVA resin production emulsification device according to claim 5, characterized in that: A control panel (20) is installed on the outer wall of the emulsification tank (1), and the control panel (20) is used to control the operation of electrical components inside the device.

Images