Production equipment for negative liquid crystal monomer

Abstract

The utility model relates to the technical field of negative liquid crystal monomer production, and discloses production equipment for a negative liquid crystal monomer. According to the production equipment for the negative liquid crystal monomer, through installation of the main body mechanism, during production, raw materials of the negative liquid crystal monomer are added into the reaction kettle and heated through an electric heating wire, then a mixing assembly is started, a mixing motor drives a stirring rod to drive stirring blades to rotate, and the raw materials are evenly mixed through the stirring blades; the spines arranged outside the stirring blades can puncture bubbles generated during reaction to prevent excessive bubbles from influencing the reaction effect, meanwhile, the stirring rod rotates to drive the scraper blade to clean down raw materials attached to the inner wall of the kettle body to prevent excessive attached raw materials from being difficult to clean, and after the reaction is completed, the water inlet pipe is connected to the cooling liquid tank, so that the reaction effect is improved. And then circulating cooling is performed through the cooling liquid circulating pipe, so that the reaction kettle is rapidly cooled to the room temperature, the use effect is improved, and the practicability of the production equipment for the negative liquid crystal monomer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of negative liquid crystal monomer production, in particular to a production device for negative liquid crystal monomers. Background Technique

[0002] In the past decade or so, liquid crystal display technology has developed rapidly, and liquid crystal display products have been rapidly popularized in people's daily lives. The new liquid crystal display methods mainly include optically compensated bend mode, in-plane switching liquid crystal display, vertical alignment mode, axially symmetric microstructured liquid crystal display, multi-domain twisted liquid crystal display, etc. The designs of liquid crystal cells for various display methods are different, the driving methods are different, the directions of liquid crystal molecular directors and glass substrates are different. In the optically compensated bend mode and in-plane switching liquid crystal display, the directions of liquid crystal molecular directors and glass substrates are parallel, while in the vertical alignment mode and axially symmetric microstructured liquid crystal display, the directions of liquid crystal molecular directors and glass substrates are perpendicular in the state without electric field. For the IPS with parallel arrangement, the dielectric anisotropy of the liquid crystal can be either positive or negative.

[0003] The existing patent document CN211659976U proposes a precise temperature and pressure control liquid crystal monomer reaction kettle, which includes a kettle body, a kettle cover and a stirring paddle. The stirring paddle is connected to a motor through a transmission shaft, and the motor is arranged below the kettle body; a pressure pump is connected to the kettle cover through a pipeline, an exhaust port is arranged on one side of the kettle body, and a first electric valve is installed on the exhaust port; a heating layer is arranged outside the kettle body, and a heat preservation jacket is arranged outside the heating layer. The precise temperature and pressure control liquid crystal monomer reaction kettle of the utility model has a reasonable structure and can precisely control the temperature and air pressure in the reaction kettle during chemical production reactions to create a suitable reaction environment.

[0004] However, due to the prior art disclosed in the patent technology of CN211659976U, bubbles are likely to be generated in the kettle during use, which affects the reaction effect, and it is not convenient to quickly cool the processed reaction kettle, reducing the use effect. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] The purpose of the utility model is to provide a production device for negative liquid crystal monomers to solve the problems of easy generation of bubbles in the kettle, affecting the reaction effect, and not being convenient to quickly cool the processed reaction kettle, reducing the use effect as mentioned in the above background technique.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solutions: A production device for negative liquid crystal monomers, comprising a main body mechanism and an auxiliary mechanism. The auxiliary mechanism is located at the lower end of the main body mechanism. The main body mechanism includes a reaction kettle housing, a heat insulation cotton layer, and a reaction kettle body. The heat insulation cotton layer is fixedly arranged inside the reaction kettle housing, and the reaction kettle body is fixedly installed inside the heat insulation cotton layer;

[0009] Preferably, the main body mechanism further includes an electric heating wire, a coolant circulation pipe, a water inlet pipe, a water return pipe, a mixing assembly, a pressure gauge, a temperature sensor, and a discharge pipe. The electric heating wire is fixedly installed at the inner end of the reaction kettle body. The coolant circulation pipe is fixedly installed at the outer end of the reaction kettle body. The water inlet pipe is fixedly installed at the upper end of the coolant circulation pipe. The water return pipe is fixedly installed on the right side of the water inlet pipe. The mixing assembly is fixedly installed at the upper end of the reaction kettle housing. The pressure gauge is fixedly installed on the left side of the mixing assembly. The temperature sensor is fixedly installed inside the reaction kettle body. The discharge pipe is fixedly installed at the lower end of the reaction kettle body. During production, the raw materials of the negative liquid crystal monomer are added into the reaction kettle and heated by the electric heating wire. Then, the mixing assembly is started. The mixing motor drives the stirring rod to drive the stirring blades to rotate, and the raw materials are mixed evenly by the stirring blades. The bubbles generated during the reaction can be punctured by the spikes arranged outside the stirring blades to avoid excessive bubbles affecting the reaction effect. At the same time, the rotation of the stirring rod can drive the scraper to clean the raw materials attached to the inner wall of the kettle body to avoid excessive attached raw materials being difficult to clean. When the reaction is completed, the water inlet pipe is connected to the coolant tank, and then circulated and cooled through the coolant circulation pipe to quickly cool the reaction kettle to room temperature, improving the use effect.

[0010] Preferably, the mixing assembly includes a mixing motor, a stirring rod, stirring blades, spikes, a connecting rod, and a scraper. The mixing motor is fixedly installed at the upper end of the reaction kettle body.

[0011] Preferably, the stirring rod is fixedly installed at the lower end of the mixing motor, the stirring blades are fixedly installed at the outer end of the stirring rod, and the spikes are fixedly installed at the outer end of the stirring blades. The mixing motor can drive the stirring rod to drive the stirring blades to rotate, and the raw materials are mixed evenly by the stirring blades. The bubbles generated during the reaction can be punctured by the spikes.

[0012] Preferably, the connecting rod is fixedly installed at the outer end of the stirring rod, and the scraper is fixedly installed at the outer end of the connecting rod. When the stirring rod rotates, it can drive the scraper to rotate synchronously, thereby using the scraper to clean the raw materials attached to the inner wall of the kettle body.

[0013] Preferably, the auxiliary mechanism includes a support base, support legs, universal wheels, a hydraulic push rod, a support plate, a control box, and a display screen. The support base is fixedly installed at the lower end of the reaction kettle body.

[0014] Preferably, the support legs are fixedly installed at the lower end of the support base, and the universal wheels are movably installed at the lower end of the support legs. Before use, the device can be moved by the universal wheels, and after reaching the working location, the hydraulic push rod can be started.

[0015] Preferably, the hydraulic push rod is fixedly installed at the lower end of the support base, and the support plate is fixedly installed at the lower end of the hydraulic push rod. The support plate is pushed down by the hydraulic push rod to support the reaction kettle with the support plate so that the reaction kettle is firmly fixed.

[0016] Preferably, the control box is fixedly installed at the outer end of the reaction kettle body, and the display screen is fixedly installed at the outer end of the control box. A controller is arranged in the control box to facilitate the staff to control the operation of the device, and the data of the device can be viewed through the display screen.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] 1. For the production equipment of negative liquid crystal monomers, through the installation of the main body mechanism, when producing, the raw materials of negative liquid crystal monomers are added into the reaction kettle, heated by the electric heating wire, and then the mixing component is started. The mixing motor drives the stirring rod to drive the stirring blades to rotate, and the raw materials are evenly mixed by the stirring blades. The bubbles generated during the reaction can be punctured by the spikes arranged outside the stirring blades to avoid excessive bubbles affecting the reaction effect. At the same time, the rotation of the stirring rod can drive the scraper to clean the raw materials attached to the inner wall of the kettle body to avoid excessive attached raw materials being difficult to clean. After the reaction is completed, the water inlet pipe is connected to the coolant tank, and then circulated and cooled through the coolant circulation pipe to quickly cool the reaction kettle to room temperature, improving the use effect and the practicability of the production equipment for negative liquid crystal monomers;

[0019] 2. For the production equipment of negative liquid crystal monomers, through the installation of the auxiliary mechanism, before use, the device can be moved by the universal wheels, and after reaching the working location, the hydraulic push rod can be started. The support plate is pushed down by the hydraulic push rod to support the reaction kettle with the support plate so that the reaction kettle is firmly fixed. A controller is arranged in the control box to facilitate the staff to control the operation of the device, and the data of the device can be viewed through the display screen, improving the convenience of the production equipment for negative liquid crystal monomers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 2 is a sectional structure schematic diagram of the present utility model;

[0022] Figure 3 is a schematic diagram of the internal structure of the main body mechanism of the present utility model;

[0023] Figure 4 Schematic diagram of the mixing component structure of the present utility model;

[0024] Figure 5 Schematic diagram of the auxiliary mechanism structure of the present utility model;

[0025] Figure 6 Partial schematic diagram of the auxiliary mechanism of the present utility model.

[0026] In the figure: 1. Main body mechanism; 101. Reactor shell; 102. Heat insulation cotton layer; 103. Reactor body; 104. Electric heating wire; 105. Coolant circulation pipe; 106. Water inlet pipe; 107. Water return pipe; 108. Mixing component; 1081. Mixing motor; 1082. Stirring rod; 1083. Stirring blade; 1084. Spikes; 1085. Connecting rod; 1086. Scraper; 109. Pressure gauge; 110. Temperature sensor; 111. Discharge pipe; 2. Auxiliary mechanism; 201. Support base; 202. Support leg; 203. Universal wheel; 204. Hydraulic push rod; 205. Support plate; 206. Control box; 207. Display screen. Specific implementation mode

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] Please refer to Figures 1-6 , the present utility model provides a technical solution: a production device for negative liquid crystal monomers, including a main body mechanism 1 and an auxiliary mechanism 2. The auxiliary mechanism 2 is located at the lower end of the main body mechanism 1. The main body mechanism 1 includes a reactor shell 101, a heat insulation cotton layer 102 and a reactor body 103. The heat insulation cotton layer 102 is fixedly arranged inside the reactor shell 101, and the reactor body 103 is fixedly installed inside the heat insulation cotton layer 102.

[0029] The main body mechanism 1 further includes an electric heating wire 104, a coolant circulation pipe 105, a water inlet pipe 106, a water return pipe 107, a mixing assembly 108, a pressure gauge 109, a temperature sensor 110, and a discharge pipe 111. The electric heating wire 104 is fixedly installed at the inner end of the reaction kettle body 103, the coolant circulation pipe 105 is fixedly installed at the outer end of the reaction kettle body 103, the water inlet pipe 106 is fixedly installed at the upper end of the coolant circulation pipe 105, the water return pipe 107 is fixedly installed on the right side of the water inlet pipe 106, the mixing assembly 108 is fixedly installed at the upper end of the reaction kettle housing 101, the pressure gauge 109 is fixedly installed on the left side of the mixing assembly 108, the temperature sensor 110 is fixedly installed inside the reaction kettle body 103, and the discharge pipe 111 is fixedly installed at the lower end of the reaction kettle body 103. The mixing assembly 108 includes a mixing motor 1081, a stirring rod 1082, stirring blades 1083, spikes 1084, a connecting rod 1085, and a scraper 1086. The mixing motor 1081 is fixedly installed at the upper end of the reaction kettle body 103, the stirring rod 1082 is fixedly installed at the lower end of the mixing motor 1081, the stirring blades 1083 are fixedly installed at the outer end of the stirring rod 1082, the spikes 1084 are fixedly installed at the outer end of the stirring blades 1083, the connecting rod 1085 is fixedly installed at the outer end of the stirring rod 1082, and the scraper 1086 is fixedly installed at the outer end of the connecting rod 1085.

[0030] The auxiliary mechanism 2 includes a support base 201, support legs 202, universal wheels 203, a hydraulic push rod 204, a support plate 205, a control box 206, and a display screen 207. The support base 201 is fixedly installed at the lower end of the reaction kettle body 103, the support legs 202 are fixedly installed at the lower end of the support base 201, the universal wheels 203 are movably installed at the lower end of the support legs 202, the hydraulic push rod 204 is fixedly installed at the lower end of the support base 201, the support plate 205 is fixedly installed at the lower end of the hydraulic push rod 204, the control box 206 is fixedly installed at the outer end of the reaction kettle body 103, and the display screen 207 is fixedly installed at the outer end of the control box 206.

[0031] Example 1: When producing negative liquid crystal monomers using the reaction kettle, the mixing motor 1081 can drive the stirring rod 1082 to drive the stirring blades 1083 to rotate, the raw materials are evenly mixed through the stirring blades 1083, the spikes 1084 can pierce the bubbles generated during the reaction, and when the stirring rod 1082 rotates, it can drive the scraper 1086 to rotate synchronously, so as to clean the raw materials attached to the inner wall of the kettle body with the scraper 1086.

[0032] Example 2: During use, connect the water inlet pipe 106 to the coolant tank, and then connect the water return pipe 107 to the water return pipeline. After production is completed, the coolant enters the coolant circulation pipe 105 for circulation, enabling the reaction kettle to quickly cool down to room temperature and improving the cooling efficiency.

[0033] Working principle: Before use, the device is moved by the universal wheels 203. After reaching the working location, the hydraulic push rod 204 can be started. The hydraulic push rod 204 is used to push the support plate 205 downward, and the reaction kettle is supported by the support plate 205 to make the reaction kettle firmly fixed. A controller is provided in the control box 206 to facilitate the staff to control the operation of the device. The data of the device can be viewed through the display screen 207. During production, the water inlet pipe 106 is connected to the coolant tank, and the return water pipe 107 is connected to the return water pipeline. Then, the raw materials of the negative liquid crystal monomer are added into the reaction kettle and heated by the electric heating wire 104. Then, the mixing component 108 is started. The mixing motor 1081 drives the stirring rod 1082 to drive the stirring blade 1083 to rotate. The raw materials are evenly mixed by the stirring blade 1083. The bubbles generated during the reaction can be punctured by the spikes 1084 arranged outside the stirring blade 1083 to avoid excessive bubbles affecting the reaction effect. At the same time, the rotation of the stirring rod 1082 can drive the scraper 1086 to clean the raw materials attached to the inner wall of the kettle body to avoid excessive attached raw materials being difficult to clean. After production, the coolant enters the coolant circulation pipe 105 for circulation to quickly cool the reaction kettle to room temperature.

[0034] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention shall not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A production device for negative liquid crystal monomers, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the lower end of the main mechanism (1); the main mechanism (1) comprises a reactor shell (101), a heat-insulating cotton layer (102) and a reactor body (103); the heat-insulating cotton layer (102) is fixedly arranged inside the reactor shell (101); and the reactor body (103) is fixedly installed inside the heat-insulating cotton layer (102); The main body (1) further comprises an electric heating wire (104), a cooling liquid circulation pipe (105), a water inlet pipe (106), a water return pipe (107), a mixing assembly (108), a pressure gauge (109), a temperature sensor (110) and a discharge pipe (111); the electric heating wire (104) is fixedly mounted on the inner end of the reactor body (103); the cooling liquid circulation pipe (105) is fixedly mounted on the outer end of the reactor body (103); the water inlet pipe (106) is fixedly mounted on the outer end of the reactor body (103); The cooling element (104) is fixedly mounted on the upper end of the cooling liquid circulation pipe (105), the return pipe (107) is fixedly mounted on the right side of the water inlet pipe (106), the mixing assembly (108) is fixedly mounted on the upper end of the reactor shell (101), the pressure gauge (109) is fixedly mounted on the left side of the mixing assembly (108), the temperature sensor (110) is fixedly mounted inside the reactor body (103), and the discharge pipe (111) is fixedly mounted on the lower end of the reactor body (103).

2. The production equipment for negative liquid crystal monomers according to claim 1, characterized in that: The mixing assembly (108) comprises a mixing motor (1081), a stirring rod (1082), a stirring blade (1083), a spike (1084), a connecting rod (1085) and a scraper (1086); the mixing motor (1081) is fixedly mounted on the upper end of the reactor body (103).

3. The production equipment for negative liquid crystal monomers according to claim 2, characterized in that: The stirring rod (1082) is fixedly mounted on the lower end of the mixing motor (1081), the stirring blade (1083) is fixedly mounted on the outer end of the stirring rod (1082), and the spike (1084) is fixedly mounted on the outer end of the stirring blade (1083).

4. The production equipment for negative liquid crystal monomers according to claim 3, characterized in that: The connecting rod (1085) is fixedly mounted on the outer end of the stirring rod (1082), and the scraper (1086) is fixedly mounted on the outer end of the connecting rod (1085).

5. The production equipment for negative liquid crystal monomers according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a support base (201), support legs (202), universal wheels (203), a hydraulic push rod (204), a support plate (205), a control box (206) and a display screen (207); the support base (201) is fixedly mounted on the lower end of the reactor body (103).

6. The production equipment for negative liquid crystal monomers according to claim 5, characterized in that: The support leg (202) is fixedly mounted on the lower end of the support seat (201), and the universal wheel (203) is movably mounted on the lower end of the support leg (202).

7. The production equipment for negative liquid crystal monomers according to claim 6, characterized in that: The hydraulic push rod (204) is fixedly mounted on the lower end of the support seat (201), and the support plate (205) is fixedly mounted on the lower end of the hydraulic push rod (204).

8. The production equipment for negative liquid crystal monomers according to claim 7, characterized in that: The control box (206) is fixedly mounted on the outer end of the reactor body (103), and the display screen (207) is fixedly mounted on the outer end of the control box (206).

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