Feeding structure of aminobiphenyl preparation device

Abstract

The utility model relates to the technical field of aminobiphenyl preparation, discloses a feeding structure of an aminobiphenyl preparation device, and solves the problems that nitric acid, methanol and Raney nickel need to be added step by step in the aminobiphenyl preparation process in most laboratories at present, so that the inconvenience is caused; the work of experimenters in the process of preparing the aminobiphenyl is relatively tedious, and the consumed time is relatively long. A feeding structure of an aminobiphenyl preparation device comprises a transmission assembly arranged above one side of a feeding port of an aminobiphenyl preparation barrel, the upper end of the transmission assembly is connected with a liquid adding device and a solid adding device in an embedded mode, and the purpose that nitric acid, methyl alcohol and raney nickel can be conveniently and rapidly added step by step in the aminobiphenyl preparation process is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of aminobiphenyl preparation, in particular to a feeding structure of an aminobiphenyl preparation device. Background Art

[0002] The aminobiphenyl preparation device is mainly used in organic chemistry, material chemistry and other fields. Its function is to provide the reaction temperature, environment, etc. for the chemical reaction. Nowadays, most laboratories do not have the feeding structure of the aminobiphenyl preparation device. The experimenters need to gradually add nitric acid, methanol and Raney nickel in the process of preparing aminobiphenyl, which is inconvenient, resulting in the experimenters' work being more cumbersome and time-consuming. Utility Model Content

[0003] The utility model aims to provide a feeding structure for an aminobiphenyl preparation device. The device is used to work and the problem that the work of the experimenters is complicated and time-consuming is solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding structure of an aminobiphenyl preparation device, comprising a transmission assembly, a preparation barrel is arranged below one side of the transmission assembly, and a liquid adding device for adding methanol and nitric acid into the preparation barrel and a solid adding device for adding Raney nickel into the preparation barrel are embedded in the upper end of the transmission assembly.

[0005] Furthermore, the transmission assembly includes a transmission base arranged above the preparation barrel, a drive motor is embedded in the upper surface of the transmission base, a screw is connected to the output shaft of the drive motor, a transmission member is arranged on the upper surface of the transmission base, and the screw and the transmission member are connected by threads.

[0006] Furthermore, the liquid adding device includes an air pump fixedly connected to the upper end of the transmission assembly, one end of the air pump is connected to a T-shaped air pipe, the other two ends of the T-shaped air pipe are provided with an electromagnetic air valve A and an electromagnetic air valve B, one end of the electromagnetic air valve A is connected to the air pipe A, and one end of the air pipe A is connected to the liquid tank A.

[0007] Furthermore, an infusion tube is provided on the outer surface of the liquid tank A, one end of the electromagnetic valve B is connected to an air guide tube B, one end of the air guide tube B is connected to the liquid tank B, and a dropper is provided on the outer surface of the liquid tank B.

[0008] Furthermore, the transmission assembly also includes a coupling arranged between the drive motor and the screw rod, and the drive motor and the screw rod are fixedly connected through the coupling.

[0009] Furthermore, the transmission assembly also includes two groups of polished rods embedded and connected on the upper surface of the transmission base.

[0010] Furthermore, the solid adding device comprises a solid tank fixed on the upper surface of the transmission member, an electromagnetic switch is arranged on the outer surface of the solid tank, and a solid discharge port is connected to the lower end of the electromagnetic switch.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model provides a feeding structure for an aminobiphenyl preparation device, in which a transmission component is arranged above one side of a feeding port of a preparation barrel, and a liquid adding device and a solid adding device are embedded in the upper end of the transmission component to connect, so that nitric acid, methanol and Raney nickel can be added gradually and conveniently and quickly during the preparation of aminobiphenyl, and the problem that most laboratories nowadays need to add nitric acid, methanol and Raney nickel gradually during the preparation of aminobiphenyl, which is inconvenient and makes the work of experimenters more complicated and time-consuming. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the transmission component structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the liquid adding device of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the solid adding device of the utility model.

[0017] In the figure: 1. preparation barrel; 2. transmission assembly; 21. transmission base; 22. transmission member; 23. screw rod; 24. polished rod; 25. drive motor; 26. coupling; 3. liquid adding device; 31. air pump; 32. infusion tube; 33. liquid tank A; 34. air guide tube A; 35. electromagnetic air valve A; 36. T-type air guide tube; 37. electromagnetic air valve B; 38. air guide tube B; 39. liquid tank B; 310. dropper; 4. solid adding device; 41. solid tank; 42. electromagnetic switch; 43. solid discharge port. DETAILED DESCRIPTION

[0018] 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.

[0019] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0020] Combination Figure 1 A feeding structure of an aminobiphenyl preparation device comprises a transmission component 2 and a preparation barrel 1 arranged below one side of the transmission component 2, wherein a liquid adding device 3 for adding methanol and nitric acid into the preparation barrel 1 and a solid adding device 4 for adding Raney nickel into the preparation barrel 1 are embedded in the upper end of the transmission component 2; when methanol and nitric acid need to be added, the transmission component 2 will move the liquid adding device 3 to the top of the feeding port of the preparation barrel 1 to add the required solution, and when Raney nickel needs to be added, the transmission component 2 will move the solid adding device 4 to the top of the feeding port of the preparation barrel 1 to add Raney nickel.

[0021] The utility model is further described below in conjunction with embodiments.

[0022] Embodiment 1:

[0023] Combination Figure 2-Figure 4 The transmission assembly 2 includes a transmission base 21 disposed above the preparation barrel 1, a driving motor 25 is embedded and connected to the upper surface of the transmission base 21, a screw 23 is connected to the output shaft of the driving motor 25, a transmission member 22 is disposed on the upper surface of the transmission base 21, the screw 23 and the transmission member 22 are connected by threads, the transmission assembly 2 also includes a coupling 26 disposed between the driving motor 25 and the screw 23, the driving motor 25 and the screw 23 are fixedly connected by the coupling 26, and the transmission assembly 2 also includes two groups of light rods 24 embedded and connected to the upper surface of the transmission base 21. When the device needs to add solids or liquids, the driving motor 25 rotates to drive the coupling 26 and the screw 23, and the transmission member 22 moves along the direction of the light rod 24 under the action of the screw 23, and the liquid adding device 3 and the solid adding device 4 are transported to the top of the feeding port of the preparation barrel 1, and the transmission assembly 2 can deliver the required solution and solid to the preparation barrel 1 in the process of preparing aminobiphenyl to the top of the feeding port to complete the feeding.

[0024] The liquid adding device 3 includes an air pump 31 fixedly connected to the upper end of the transmission assembly 2, one end of the air pump 31 is connected to a T-shaped air pipe 36, the other two ends of the T-shaped air pipe 36 are provided with an electromagnetic air valve A35 and an electromagnetic air valve B37, one end of the electromagnetic air valve A35 is connected to an air pipe A34, and one end of the air pipe A34 is connected to a liquid tank A33. The liquid adding device 3 also includes a liquid infusion tube 32 provided on the outer surface of the liquid tank A33, one end of the electromagnetic air valve B37 is connected to an air pipe B38, one end of the air pipe B38 is connected to a liquid tank B39, and a dropper 310 is provided on the outer surface of the liquid tank B39. When methanol solution needs to be added, the solenoid valve B37 is closed, the solenoid valve A35 is opened, the air pump 31 inflates the T-shaped air pipe 36, and the gas passes through the solenoid valve A35 and the air pipe A34 into the liquid tank A33. Under the action of pressure, the methanol solution is added to the feed port of the preparation barrel 1 through the infusion tube 32. When nitric acid solution needs to be added, the solenoid valve A35 is closed, the solenoid valve B37 is opened, and the air pump 31 inflates the T-shaped air pipe 36. The gas passes through the solenoid valve B37 and the air pipe B38 into the liquid tank B39. Under the action of pressure, the nitric acid solution is added to the feed port of the preparation barrel 1 through the dropper 310. When methanol and nitric acid need to be added, the air pump 31 inflates the liquid adding device, and the solenoid valve A35 and the solenoid valve B37 are opened and closed to complete the addition of methanol and nitric acid.

[0025] The solid adding device 4 includes a solid tank 41 fixed on the upper surface of the transmission member 22, and an electromagnetic switch 42 is provided on the outer surface of the solid tank 41, and the lower end of the electromagnetic switch 42 is connected to a solid discharge port 43. When it is necessary to add Raney nickel, the electromagnetic switch 42 is turned on, and the Raney nickel is added to the feed port of the preparation barrel 1 through the solid discharge port 43 under the action of gravity. When it is necessary to add Raney nickel, the electromagnetic switch 42 on the solid adding device 4 can be accurately opened and closed to complete the addition of Raney nickel.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although 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. A feeding structure of an aminobiphenyl preparation device, comprising a transmission assembly (2), characterized in that: A preparation barrel (1) is disposed below one side of the transmission assembly (2), and a liquid adding device (3) for adding methanol and nitric acid into the preparation barrel (1) and a solid adding device (4) for adding Raney nickel into the preparation barrel (1) are embedded in the upper end of the transmission assembly (2); The transmission assembly (2) comprises a transmission base (21) arranged above the preparation barrel (1); a driving motor (25) is embedded and connected to the upper surface of the transmission base (21); a screw rod (23) is connected to the output shaft of the driving motor (25); a transmission member (22) is arranged on the upper surface of the transmission base (21); and the screw rod (23) and the transmission member (22) are connected by threads; The liquid adding device (3) comprises an air pump (31) fixedly connected to the upper end of the transmission assembly (2); one end of the air pump (31) is connected to a T-shaped air guide tube (36); the other two ends of the T-shaped air guide tube (36) are provided with an electromagnetic air valve A (35) and an electromagnetic air valve B (37); one end of the electromagnetic air valve A (35) is connected to an air guide tube A (34); and one end of the air guide tube A (34) is connected to a liquid tank A (33); The solid adding device (4) comprises a solid tank (41) fixed on the upper surface of the transmission member (22), an electromagnetic switch (42) is arranged on the outer surface of the solid tank (41), and the lower end of the electromagnetic switch (42) is connected to a solid discharge port (43).

2. The feed structure of the aminobiphenyl preparation device according to claim 1, characterized in that: The liquid adding device (3) further comprises a liquid tank A (33) having an infusion tube (32) disposed on its outer surface, an electromagnetic valve B (37) having an air guide tube B (38) connected to one end, an air guide tube B (38) having an end connected to a liquid tank B (39), and a dropper (310) disposed on the outer surface of the liquid tank B (39).

3. The feed structure of the aminobiphenyl preparation device according to claim 1, characterized in that: The transmission assembly (2) further comprises a coupling (26) arranged between the drive motor (25) and the screw rod (23); the drive motor (25) and the screw rod (23) are fixedly connected via the coupling (26).

4. The feed structure of the aminobiphenyl preparation device according to claim 1, characterized in that: The transmission assembly (2) also includes a transmission base (21) having two groups of polished rods (24) embedded and connected on its upper surface.

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