Batching device for producing p-nitrobenzoic acid

Abstract

The utility model discloses a batching device for producing p-nitrobenzoic acid, which comprises a support frame, the top end of the support frame is fixedly connected with a material storage barrel, the interior of the material storage barrel is divided into a plurality of material storage cavities by partition frames, each material storage cavity is internally provided with a material discharge mechanism, the outer side of the material storage barrel is fixedly connected with an extension frame, and the extension frame is fixedly connected with the support frame. The middle part of the material storage barrel is rotatably connected with a central shaft rod, the top end of the extension frame is fixedly connected with a transmission motor, and the output end of the transmission motor is fixedly connected with the central shaft rod. Through the structural arrangement of the discharging mechanism and the linkage mechanism, p-nitrobenzoic acid raw materials in the specified material storage cavity can be stably discharged, so that the overall convenience is improved, through the structural design of the material receiving assembly, the discharged nitrobenzoic acid raw materials can be received and continuously weighed, and the production efficiency is improved. Therefore, repeated weighing by personnel is avoided, and the dosage of raw materials is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of p-nitrobenzoic acid production, in particular to a batching device for producing p-nitrobenzoic acid. Background Art

[0002] p-Nitrobenzoic acid is a yellow crystalline powder, odorless, and sublimable. It is slightly soluble in water and soluble in organic solvents such as ethanol. It is flammable when exposed to open flames and high heat, and decomposes when heated. It is mainly used as an intermediate in organic synthesis of medicines, dyes, veterinary drugs, photosensitive materials, etc., and is used to produce procaine hydrochloride, procainamide hydrochloride, etc.

[0003] At present, the preparation of ingredients before the production of p-nitrobenzoic acid is mainly achieved through continuous weighing and testing by staff. The repeated weighing by staff causes the preparation of ingredients to be time-consuming and easily leads to inaccurate dosage, thus affecting the preparation effect of p-nitrobenzoic acid.

[0004] To this end, the utility model provides a batching device for producing p-nitrobenzoic acid, which can stably discharge the p-nitrobenzoic acid raw material in a designated storage chamber through the structural setting of the discharge mechanism and the linkage mechanism, thereby improving the overall convenience, and through the structural design of the material receiving component, the discharged nitrobenzoic acid raw material can be received and continuously weighed, thereby avoiding repeated weighing by personnel, making the raw material dosage more accurate, so as to solve the above-mentioned problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a batching device for producing p-nitrobenzoic acid, which solves the above problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dosing device for producing p-nitrobenzoic acid, comprising a support frame, a material storage barrel is fixedly connected to the top of the support frame, the interior of the material storage barrel is divided into a plurality of material storage chambers by a partition frame, a discharge mechanism is arranged inside each of the material storage chambers, an extension frame is fixedly connected to the outside of the material storage barrel, a central shaft is rotatably connected to the middle of the material storage barrel, a transmission motor is fixedly connected to the top of the extension frame, and the output end of the transmission motor is fixedly connected to the central shaft, a linkage mechanism is arranged on the top of the outer side of the central shaft, the linkage mechanism is used to cooperate with the discharge mechanism to form the discharge of the raw materials in each material storage chamber, the bottom end of the central shaft is equipped with a material receiving assembly, the material receiving assembly is used to receive the raw materials in each material storage chamber, the top of the extension frame is fixedly connected to a signal controller, the signal controller is used to form a linkage between the discharge mechanism, the linkage mechanism and the material receiving assembly.

[0007] Preferably, the discharging mechanism includes a positioning frame, a transmission shaft, a linkage spur gear, a derivation rod, a screw, a limit frame, a discharging barrel, a sealing plate and a discharging hole. The top of each storage chamber is fixedly connected to the positioning frame, one end of the positioning frame is rotatably connected to the transmission shaft, the outer side of the transmission shaft is fixedly connected to the linkage spur gear, the top of the derivation rod is fixedly connected to the screw, and the screw is also threadedly connected to the inside of the transmission shaft, the top of the screw is fixedly connected to the limit frame, and the limit frame is slidably connected to the positioning frame, the bottom end of each storage chamber is fixedly connected to the discharging barrel, the end of the derivation rod located inside the discharging barrel is fixedly connected to the sealing plate, and a plurality of discharging holes are provided on the outer side of the discharging barrel.

[0008] Preferably, the linkage mechanism includes a mounting seat, a driving motor and a transmission spur gear, the top end of the outer side of the central shaft is fixedly connected to the mounting seat, the top end of the mounting seat is connected to the driving motor via screws, the output end of the driving motor is fixedly connected to the transmission spur gear, and the transmission spur gear is meshingly connected to the linkage spur gear.

[0009] Preferably, the material receiving assembly includes a bearing seat, a material receiving hopper, a weight sensor and a discharge pipe, the bottom end of the central axis is fixedly connected to the bearing seat, the top end of the bearing seat is slidably connected to the material receiving hopper, the bottom end of the inner side of the bearing seat is fixedly connected to the weight sensor, and one end of the material receiving hopper is in contact with the weight sensor, and the bottom end of the material receiving hopper is fixedly connected to the discharge pipe.

[0010] Preferably, a thread groove is provided inside the transmission shaft, and the screw is connected in the thread groove.

[0011] Preferably, a guide slide rod is fixedly connected to the bottom end of the limit frame, a through hole is formed at the top end of the derivation rod, and a clearance fit is formed between the guide slide rod and the through hole.

[0012] Beneficial Effects

[0013] The utility model provides a batching device for producing p-nitrobenzoic acid. Compared with the prior art, it has the following beneficial effects:

[0014] The batching device for producing p-nitrobenzoic acid can stably discharge the p-nitrobenzoic acid raw material in a designated storage chamber through the structural arrangement of the discharge mechanism and the linkage mechanism, thereby improving the overall convenience.

[0015] The batching device for producing p-nitrobenzoic acid can receive the discharged nitrobenzoic acid raw material and weigh it continuously through the structural design of the material receiving component, so as to avoid repeated weighing by personnel and make the raw material dosage more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the internal structure of the material storage barrel of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the discharging mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a material connection component of the utility model.

[0020] In the figure, 1, support frame; 2, material storage barrel; 3, partition frame; 4, material storage chamber; 5, discharge mechanism; 6, extension frame; 7, central shaft; 8, transmission motor; 9, linkage mechanism; 10, material receiving assembly; 11, signal controller; 12, positioning frame; 13, transmission shaft; 14, linkage spur gear; 15, derivation rod; 16, screw; 17, limit frame; 18, discharge barrel; 19, sealing sheet; 20, discharge hole; 21, carrying seat; 22, drive motor; 23, transmission spur gear; 24, bearing seat; 25, receiving hopper; 26, weight sensor; 27, discharge pipe. 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] Embodiment 1:

[0023] See also Figure 1-4 , a batching device for producing p-nitrobenzoic acid, comprising a support frame 1, a material storage barrel 2 is fixedly connected to the top of the support frame 1, the interior of the material storage barrel 2 is divided into a plurality of material storage chambers 4 by a partition frame 3, a discharge mechanism 5 is arranged inside each material storage chamber 4, an extension frame 6 is fixedly connected to the outside of the material storage barrel 2, a central shaft 7 is rotatably connected to the middle of the material storage barrel 2, a transmission motor 8 is fixedly connected to the top of the extension frame 6, and the output end of the transmission motor 8 is fixedly connected to the central shaft 7, a linkage mechanism 9 is arranged at the top of the outer side of the central shaft 7, the linkage mechanism 9 is used to cooperate with the discharge mechanism 5 to form the discharge of the raw materials in each material storage chamber 4, the bottom end of the central shaft 7 is equipped with a material receiving assembly 10, the material receiving assembly 10 is used to receive the raw materials in each material storage chamber 4, the top of the extension frame 6 is fixedly connected to the signal controller 11, the signal controller 11 is used to form the linkage between the discharge mechanism 5, the linkage mechanism 9 and the material receiving assembly 10;

[0024] The discharging mechanism 5 includes a positioning frame 12, a transmission shaft 13, a linkage spur gear 14, a derivation rod 15, a screw 16, a limiting frame 17, a discharging barrel 18, a sealing sheet 19 and a discharging hole 20. The top of each storage chamber 4 is fixedly connected with the positioning frame 12, one end of the positioning frame 12 is rotatably connected with the transmission shaft 13, the outer side of the transmission shaft 13 is fixedly connected with the linkage spur gear 14, the top of the derivation rod 15 is fixedly connected with the screw 16, and the screw 16 is also threadedly connected to the inside of the transmission shaft 13, the top of the screw 16 is fixedly connected with the limiting frame 17, and the limiting frame 17 is slidably connected with the positioning frame 12, the bottom end of each storage chamber 4 is fixedly connected with the discharging barrel 18, one end of the derivation rod 15 located inside the discharging barrel 18 is fixedly connected with the sealing sheet 19, and a plurality of discharging holes 20 are provided on the outer side of the discharging barrel 18;

[0025] It can be understood that the transmission motor 8 is started to drive the central shaft 7 to rotate, so that the carrying seat 21 reaches the top of one of the storage chambers 4, and the receiving hopper 25 is adjusted to the bottom of one of the storage chambers 4 through the bearing seat 24. As the position of the carrying seat 21 changes, the transmission spur gear 23 is meshed with the corresponding linkage spur gear 14, and the drive motor 22 is started by the signal controller 11 to drive the transmission spur gear 23 to rotate, so that the transmission spur gear 23 shifts the linkage spur gear 14, thereby driving the transmission shaft 13 to rotate, and in conjunction with the connection between the transmission shaft 13 and the screw 16, the screw 16 can be driven to move along the transmission shaft 13 under the limit of the limit frame 17, and then the sealing sheet 19 is pushed out of the discharge barrel 18 through the deduction rod 15, and the raw materials inside the storage chamber 4 can be discharged through the discharge hole 20 and the discharge barrel 18;

[0026] In detail, a thread groove is formed inside the transmission shaft 13, and the screw 16 is connected in the thread groove. The thread groove can be formed so that the screw 16 can be moved along the transmission shaft 13 under the limit of the limit frame 17 while the transmission shaft 13 rotates.

[0027] Specifically, the bottom end of the limit frame 17 is fixedly connected with a guide slide rod, the top end of the guide rod 15 is provided with a through hole, and a clearance fit is provided between the guide slide rod and the through hole. By setting the guide slide rod, the connection stability between the limit frame 17 and the positioning frame 12 can be improved to ensure the displacement effect of the screw rod 16;

[0028] Among them, a sealing gasket is arranged on the outer side of the sealing sheet 19, and a transition fit is formed between the sealing gasket and the inner wall of the discharge cylinder 18;

[0029] Embodiment 2:

[0030] See also Figure 1-4This embodiment provides a technical solution based on the first embodiment: the linkage mechanism 9 includes a mounting seat 21, a driving motor 22 and a transmission spur gear 23, the top of the outer side of the central shaft 7 is fixedly connected with the mounting seat 21, the top of the mounting seat 21 is connected with the driving motor 22 by screws, the output end of the driving motor 22 is fixedly connected with the transmission spur gear 23, and the transmission spur gear 23 is meshed with the linkage spur gear 14;

[0031] The material receiving assembly 10 includes a bearing seat 24, a receiving hopper 25, a weight sensor 26 and a discharge pipe 27. The bottom end of the central shaft 7 is fixedly connected to the bearing seat 24, the top end of the bearing seat 24 is slidably connected to the receiving hopper 25, the bottom end of the inner side of the bearing seat 24 is fixedly connected to the weight sensor 26, and one end of the receiving hopper 25 is in contact with the weight sensor 26, and the bottom end of the receiving hopper 25 is fixedly connected to the discharge pipe 27;

[0032] In summary, the weight of the docking hopper 25 is detected in real time by the weight sensor 26. When the weight reaches the specified weight, the weight sensor 26 transmits a signal to the signal controller 11, and the signal controller 11 controls the output end of the drive motor 22 to rotate in the opposite direction, thereby driving the sealing sheet 19 to move back into the discharge barrel 18, blocking the discharge barrel 18, thereby preventing the raw materials from leaking out.

[0033] Here, the driving motor 22 and the weight sensor 26 are both electrically connected to the signal controller 11;

[0034] A solenoid valve is provided in the middle of the discharge pipe 27 to control the on and off of the discharge pipe 27 .

[0035] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] During operation, the raw materials for producing p-nitrobenzoic acid are first placed in a plurality of storage chambers 4 respectively, and then the transmission motor 8 is started to drive the central shaft 7 to rotate, so that the carrying seat 21 reaches the top of one of the storage chambers 4, and the receiving hopper 25 is adjusted to the bottom of one of the storage chambers 4 through the bearing seat 24. As the position of the carrying seat 21 changes, the transmission spur gear 23 is meshed with the corresponding linkage spur gear 14, and the driving motor 22 is started by the signal controller 11 to drive the transmission spur gear 23 to rotate, so that the transmission spur gear 23 shifts the linkage spur gear 14, thereby driving the transmission shaft 13 to rotate, and in conjunction with the connection between the transmission shaft 13 and the screw 16, the screw 16 can be driven to move along the transmission shaft 13 under the limit of the limit frame 17, and then the sealing sheet 19 is pushed out of the discharge barrel 18 through the deduction rod 15, and the raw materials inside the storage chamber 4 can be discharged through the discharge hole 20 and the discharge barrel 18, and received by the receiving hopper 25;

[0037] The received raw materials will cause the weight of the receiving hopper 25 to change, and the weight of the receiving hopper 25 will be detected in real time through the weight sensor 26. When the specified weight is reached, the weight sensor 26 transmits a signal to the signal controller 11, and the signal controller 11 controls the output end of the drive motor 22 to rotate in the opposite direction, thereby driving the sealing plate 19 to move back into the discharge barrel 18 to seal the discharge barrel 18, thereby preventing the leakage of raw materials, thereby being able to accurately control the raw material ratio and reduce production errors.

[0038] 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 terms "include", "comprise" or any other variants thereof are 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.

[0039] 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 batching device for producing p-nitrobenzoic acid, characterized in that: The invention comprises a support frame (1), the top end of which is fixedly connected to a material storage barrel (2), the interior of which is divided into a plurality of material storage chambers (4) by a partition frame (3), each of which is provided with a material discharge mechanism (5), the outer side of which is fixedly connected to an extension frame (6), the middle part of which is rotatably connected to a central shaft (7), the top end of which is fixedly connected to a transmission motor (8), and the output end of which is fixedly connected to the central shaft (7). The top end of the outer side of the central shaft (7) is provided with a linkage mechanism (9), and the linkage mechanism (9) is used to cooperate with the discharge mechanism (5) to form the discharge of the raw materials in each storage cavity (4). The bottom end of the central shaft (7) is equipped with a material receiving assembly (10), and the material receiving assembly (10) is used to receive the raw materials in each storage cavity (4). The top end of the extension frame (6) is fixedly connected with a signal controller (11), and the signal controller (11) is used to form the linkage between the discharge mechanism (5), the linkage mechanism (9) and the material receiving assembly (10).

2. A batching device for producing p-nitrobenzoic acid according to claim 1, characterized in that: The discharging mechanism (5) comprises a positioning frame (12), a transmission shaft (13), a linkage spur gear (14), a guide rod (15), a screw rod (16), a limiting frame (17), a discharging cylinder (18), a sealing sheet (19) and a discharging hole (20). The top of each material storage cavity (4) is fixedly connected to the positioning frame (12), one end of the positioning frame (12) is rotatably connected to the transmission shaft (13), the outer side of the transmission shaft (13) is fixedly connected to the linkage spur gear (14), and the outer side of the guide rod (15) is fixedly connected to the transmission shaft (13). A screw rod (16) is fixedly connected to the top end, and the screw rod (16) is also threadedly connected to the inside of the transmission shaft (13); the top end of the screw rod (16) is fixedly connected to a limiting frame (17), and the limiting frame (17) is slidably connected to the positioning frame (12); the bottom end of each material storage cavity (4) is fixedly connected to a discharge barrel (18); one end of the guide rod (15) located inside the discharge barrel (18) is fixedly connected to a sealing sheet (19); and a plurality of discharge holes (20) are provided on the outside of the discharge barrel (18).

3. A batching device for producing p-nitrobenzoic acid according to claim 2, characterized in that: The linkage mechanism (9) comprises a mounting seat (21), a driving motor (22) and a transmission spur gear (23); the top end of the outer side of the central shaft (7) is fixedly connected to the mounting seat (21); the top end of the mounting seat (21) is connected to the driving motor (22) via a screw; the output end of the driving motor (22) is fixedly connected to the transmission spur gear (23); and the transmission spur gear (23) is meshingly connected to the linkage spur gear (14).

4. A batching device for producing p-nitrobenzoic acid according to claim 3, characterized in that: The material receiving assembly (10) comprises a bearing seat (24), a receiving hopper (25), a weight sensor (26) and a discharge pipe (27); the bottom end of the central shaft (7) is fixedly connected to the bearing seat (24); the top end of the bearing seat (24) is slidably connected to the receiving hopper (25); the bottom end of the inner side of the bearing seat (24) is fixedly connected to the weight sensor (26); one end of the receiving hopper (25) is in contact with the weight sensor (26); and the bottom end of the receiving hopper (25) is fixedly connected to the discharge pipe (27).

5. A batching device for producing p-nitrobenzoic acid according to claim 2, characterized in that: The transmission shaft (13) is provided with a thread groove inside, and the screw rod (16) is connected in the thread groove.

6. A batching device for producing p-nitrobenzoic acid according to claim 2, characterized in that: The bottom end of the limiting frame (17) is fixedly connected with a guide slide rod, the top end of the pushing rod (15) is provided with a through hole, and a clearance fit is formed between the guide slide rod and the through hole.

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