Intelligent trapping and automatic feeding device for pyromellitic dianhydride

Abstract

The utility model relates to the technical field of pyromellitic dianhydride production, in particular to an intelligent trapping and automatic feeding device for pyromellitic dianhydride, which comprises a material barrel and a reaction tank, the material barrel is arranged at the top of the reaction tank, a cover plate is arranged at the top of the material barrel, a feeding port is arranged at the top of the cover plate, and a feeding port is arranged at the bottom of the feeding port. An automatic feeding assembly capable of achieving automatic feeding is arranged at the top of the cover plate and in the material barrel, a control unit is arranged on one side of the material barrel, and by arranging the automatic feeding assembly, the automatic feeding device can be suitable for small-scale production or pyromellitic dianhydride production in a laboratory environment; and the influence of errors caused by manual feeding in the machining process on the product quality can be effectively reduced, and meanwhile the production safety can be improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of pyromellitic anhydride production, in particular to an intelligent capture and automatic feeding device for pyromellitic anhydride. Background Art

[0002] Pyromellitic anhydride is used to manufacture polyimide resins, and is also used to prepare epoxy resin curing agents and plasticizers, urea-formaldehyde resin stabilizers, phthalocyanine blue dyes, corrosion inhibitors, instant adhesives, electronic photography toners, etc. Pyromellitic anhydride is a gaseous anhydride generated by oxidation of durenyl, which directly enters the collector with the reaction gas and obtains a solid anhydride product after condensation and crystallization. In the production process of pyromellitic anhydride, it is usually necessary to add a certain amount of durenyl within a specified time to ensure the production quality of pyromellitic anhydride. However, in the existing technology, when producing pyromellitic anhydride on a small scale or in a laboratory environment, the amount of durenyl is manually added. The staff will use appropriate tools to add durenyl into the reaction tank according to the predetermined formula and operating steps, but manual operation has errors and poor safety.

[0003] In view of the above problems, it is necessary to provide an intelligent capture and automatic feeding device for pyromellitic anhydride. Utility Model Content

[0004] The utility model aims to provide an intelligent capture and automatic feeding device for pyromellitic anhydride to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An intelligent capture automatic feeding device for pyromellitic anhydride, comprising a material barrel and a reaction tank, wherein the material barrel is arranged on the top of the reaction tank, a cover plate is arranged on the top of the material barrel, a feeding port is arranged on the top of the cover plate, an automatic feeding component capable of automatically feeding is arranged on the top of the cover plate and inside the material barrel, and a control unit is arranged on one side of the material barrel;

[0007] The automatic feeding assembly includes a servo motor installed on the top of the cover plate, a mounting rod is provided at the bottom output end of the servo motor and located inside the barrel, a rotating plate is fixedly installed at the bottom of the mounting rod, an opening is provided on one side of the top of the rotating plate, and a drop hole is provided on one side of the bottom end of the barrel;

[0008] The control unit comprises an installation box fixedly mounted on one side of the barrel, an operation panel is mounted on a side of the installation box away from the barrel, and a data processor, a controller and a timer are arranged inside the installation box.

[0009] As a preferred solution of the utility model, the opening and the blanking hole cooperate with each other.

[0010] As a preferred solution of the utility model, the rotating plate is rotatably arranged inside the material barrel, and the shape of the rotating plate matches the material barrel.

[0011] As a preferred solution of the utility model, a transparent observation window is provided on one side of the barrel.

[0012] As a preferred solution of the present invention, the data processor is electrically connected to the controller, and the controller is electrically connected to the servo motor.

[0013] As a preferred solution of the utility model, a through hole is opened at a position on the top of the reaction tank corresponding to the drop hole.

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

[0015] The utility model aims at the problems in the background technology. The utility model sets an automatic feeding component. Before actual use, the mass of tetramethylbenzene dropped by a rotating plate rotating one circle can be measured, and then the material barrel can be installed on the reaction tank. In actual use, the amount required to be fed within a specified time in the production process of pyromellitic anhydride can be input through the operation panel, and then the speed and number of revolutions of the servo motor can be controlled by the controller and the data processor, and the working time of the servo motor can be controlled by the timer, so that the automatic feeding of tetramethylbenzene can be realized, and the size of the material barrel can be changed according to the actual working situation, so that the automatic feeding device can be suitable for small-scale production or the production of pyromellitic anhydride in a laboratory environment, and can effectively reduce the error caused by manual feeding in the processing process that affects the quality of the product, and can also improve the safety of production to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the partial decomposition structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the control unit of the utility model.

[0020] In the figure: 1. material barrel; 101. cover plate; 102. feeding port; 2. reaction tank; 3. automatic feeding assembly; 301. servo motor; 302. mounting rod; 303. rotating plate; 304. opening; 305. drop hole; 4. control unit; 401. mounting box; 402. operation panel; 403. data processor; 404. controller; 405. timer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0026] An intelligent capture automatic feeding device for pyromellitic anhydride comprises a material barrel 1 and a reaction tank 2. The material barrel 1 is arranged on the top of the reaction tank 2. A cover plate 101 is arranged on the top of the material barrel 1. A feeding port 102 is arranged on the top of the cover plate 101. An automatic feeding component 3 capable of automatically feeding is arranged on the top of the cover plate 101 and inside the material barrel 1. A control unit 4 is arranged on one side of the material barrel 1.

[0027] Specifically, the automatic feeding component 3 includes a servo motor 301 installed on the top of the cover plate 101, a mounting rod 302 is provided at the bottom output end of the servo motor 301 and located inside the barrel 1, a rotating plate 303 is fixedly installed at the bottom of the mounting rod 302, an opening 304 is provided on one side of the top of the rotating plate 303, a drop hole 305 is provided on one side of the bottom end of the barrel 1, the opening 304 and the drop hole 305 cooperate with each other, the rotating plate 303 is rotatably arranged inside the barrel 1, and the shape of the rotating plate 303 cooperates with the barrel 1, a through hole is provided at the top of the reaction tank 2 at a position corresponding to the drop hole 305, the control unit 4 includes a mounting box 401 fixedly installed on one side of the barrel 1, an operation panel 402 is installed on the side of the mounting box 401 away from the barrel 1, a data processor 403, a controller 404 and a timer 405 are provided inside the mounting box 401, and electrical communication between the data processor 403 and the controller 404 The controller 404 is electrically connected to the servo motor 301, and the mass of the tetramethylbenzene dropped when the rotating plate 303 rotates one circle is measured. Then the barrel 1 can be installed on the reaction tank 2, and in actual use, the amount required to be input within a specified time during the production of isophthalic anhydride can be entered through the operation panel 402, and then the speed and number of revolutions of the servo motor 301 can be controlled by the controller 404 and the data processor 403, and the working time of the servo motor 301 can be controlled by the timer 405, so that the automatic feeding of isophthalic anhydride can be realized, and the size of the barrel 1 can be changed according to the actual working situation, so that the automatic feeding device can be suitable for small-scale production or the production of isophthalic anhydride in a laboratory environment, and can effectively reduce the error caused by manual feeding in the processing process to affect the quality of the product, and can also improve the safety of production to a certain extent.

[0028] Furthermore, a transparent observation window is provided on one side of the barrel 1. By regularly observing the observation window on one side of the barrel 1, durene is regularly added to the barrel 1 through the feeding port 102, so as to ensure the normal operation of the automatic feeding operation.

[0029] The working process of the utility model: when using the intelligent automatic feeding device for collecting pyromellitic anhydride, the mass of the pyromellitic anhydride dropped by the rotating plate 303 after one rotation can be measured first, and then the material barrel 1 can be installed on the reaction tank 2, and in actual use, the amount of pyromellitic anhydride to be added within a specified time during the production process can be entered through the operation panel 402, and then the speed and number of revolutions of the servo motor 301 can be controlled by the controller 404 and the data processor 403, and the working time of the servo motor 301 can be controlled by the timer 405. During the rotation of the rotating plate 303, the opening 304 is opened for each rotation. The position of the feeding hole 305 will correspond once, so that a certain amount of tetramethylbenzene will fall down, and then the automatic feeding of tetramethylbenzene can be realized, and the size of the barrel 1 can be changed according to the actual working situation, so that the automatic feeding device can be suitable for small-scale production or production of isophthalic anhydride in a laboratory environment, and can effectively reduce the error caused by manual feeding during the processing to affect the quality of the product, and at the same time can also improve the safety of production to a certain extent, and can regularly observe the observation window on one side of the barrel 1 and regularly add tetramethylbenzene to the barrel 1 through the feeding port 102, so as to ensure the normal progress of the automatic feeding work.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent automatic feeding device for capturing pyromellitic anhydride, comprising a material barrel (1) and a reaction tank (2), characterized in that: The material barrel (1) is arranged on the top of the reaction tank (2), a cover plate (101) is arranged on the top of the material barrel (1), a material adding port (102) is arranged on the top of the cover plate (101), an automatic feeding component (3) capable of automatically feeding is arranged on the top of the cover plate (101) and inside the material barrel (1), and a control unit (4) is arranged on one side of the material barrel (1); The automatic feeding assembly (3) comprises a servo motor (301) mounted on the top of the cover plate (101); a mounting rod (302) is arranged at the bottom output end of the servo motor (301) and located inside the barrel (1); a rotating plate (303) is fixedly mounted at the bottom of the mounting rod (302); an opening (304) is provided on one side of the top of the rotating plate (303); and a material drop hole (305) is provided on one side of the bottom end of the barrel (1); The control unit (4) comprises an installation box (401) fixedly mounted on one side of the material barrel (1); an operation panel (402) is mounted on the side of the installation box (401) away from the material barrel (1); and a data processor (403), a controller (404) and a timer (405) are arranged inside the installation box (401).

2. The intelligent capture and automatic feeding device for pyromellitic anhydride according to claim 1, characterized in that: The opening (304) and the blanking hole (305) cooperate with each other.

3. The intelligent capture and automatic feeding device for pyromellitic anhydride according to claim 1, characterized in that: The rotating plate (303) is rotatably arranged inside the material barrel (1), and the shape of the rotating plate (303) matches the material barrel (1).

4. The intelligent capture and automatic feeding device for pyromellitic anhydride according to claim 1, characterized in that: A transparent observation window is provided on one side of the material barrel (1).

5. The intelligent capture and automatic feeding device for pyromellitic anhydride according to claim 1, characterized in that: The data processor (403) is electrically connected to the controller (404), and the controller (404) is electrically connected to the servo motor (301).

6. The intelligent capture and automatic feeding device for pyromellitic anhydride according to claim 1, characterized in that: A through hole is provided at a position on the top of the reaction tank (2) corresponding to the material drop hole (305).

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