Movable feeding metering trolley for chemical synthesis raw material medicine workshop

Abstract

The utility model belongs to the technical field of barreled liquid material feeding, and particularly relates to a chemical synthetic bulk drug workshop movable feeding metering trolley which comprises a plate trailer, a fixed bottom ring is fixed to one side of the top of the plate trailer, and an anti-explosion electronic platform scale is arranged at the position, located in the fixed bottom ring, of the top of the plate trailer. A material barrel is arranged at the top of the plate trailer and located in the fixing bottom ring, a fixing assembly capable of fixing the material barrel is arranged at the top of the plate trailer, a barrel drawing device is arranged in the position, corresponding to the fixing assembly, in the material barrel, one side of the barrel drawing device is connected with a nitrogen sealing pipe, and a pneumatic diaphragm pump connected with the nitrogen sealing pipe is arranged at the top of the plate trailer. The pneumatic diaphragm pump is communicated with a discharge pipe, the other end of the discharge pipe is provided with a discharge port, and the outer wall of the discharge pipe is provided with a first check valve; according to the automatic quantitative feeding device, automatic quantitative feeding of barreled materials can be achieved, misoperation of workers is reduced, pipeline residues can be reduced, and accurate feeding metering is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of barreled liquid material feeding, and specifically relates to a mobile feeding metering trolley in a chemical synthesis raw material medicine workshop. Background Art

[0002] At present, mobile explosion-proof electronic platform scales are often used in chemical synthesis raw material workshops for measurement. Personnel place barreled materials on the scale, connect a pneumatic diaphragm pump, open the compressed air hand valve, open the feed hand valve to feed, and manually observe the changes in the scale value. When the feed amount is reached, the compressed air hand valve and the feed hand valve are manually closed. The above operations are labor-intensive, result in large measurement errors, and result in excessive residues in the material pipeline, which affects the accuracy of the feed amount and thus affects the product quality. In addition, there are residual materials in the feed pipeline, posing certain safety risks. Utility Model Content

[0003] The purpose of this utility model is to provide a mobile feed metering trolley for a chemical synthesis raw material medicine workshop, which can realize automatic quantitative feeding of barreled materials, reduce operator misoperation, reduce pipeline residues, and realize accurate feed metering.

[0004] The technical solutions adopted in this utility are as follows:

[0005] A mobile feed metering trolley for a chemical synthesis raw material workshop comprises a cart, a fixed bottom ring is fixed on one side of the top of the cart, an explosion-proof electronic scale is arranged on the top of the cart and located inside the fixed bottom ring, a material barrel is arranged on the top of the cart and located inside the fixed bottom ring, a fixing component for fixing the material barrel is arranged on the top of the cart, a tube extractor is arranged inside the material barrel corresponding to the fixing component, a nitrogen sealing tube is connected to one side of the tube extractor, a pneumatic diaphragm pump connected to the nitrogen sealing tube is arranged on the top of the cart, a discharge pipe is connected to the pneumatic diaphragm pump, a discharge port is arranged on the other end of the discharge pipe, and the discharge port A first check valve is arranged on the outer wall of the material pipe, a pressure gauge is arranged on the outer wall of the discharge pipe and above the first check valve, a pipeline purge assembly is arranged on the outer wall of the discharge pipe, a compressed air pipe is arranged on the air inlet of the pneumatic diaphragm pump, a compressed air interface is arranged at the other end of the compressed air pipe, an air filter pressure reducer is arranged on the outer wall of the compressed air interface, a first pipeline solenoid valve is arranged on the outer wall of the compressed air pipe and above the air filter pressure reducer, a second valve is arranged on the outer wall of the compressed air pipe and above the first pipeline solenoid valve, and a controller is arranged on one side of the top of the cart.

[0006] Furthermore, the pipeline purge assembly includes an outer wall of a discharge pipe and a nitrogen pipe connected to the pressure gauge, a first valve is provided on the outer wall of the discharge pipe and above the nitrogen pipe, a nitrogen interface is provided at the other end of the nitrogen pipe, a ball valve is provided on the outer wall of the nitrogen pipe, a second pipeline solenoid valve is provided on the outer wall of the nitrogen pipe and below the ball valve, and a second check valve is provided on the outer wall of the nitrogen pipe and below the second pipeline solenoid valve.

[0007] Furthermore, a sewage pipe is connected to the outer wall of the discharge pipe and is located between the first check valve and the pressure gauge, and a sewage valve is arranged on the outer wall of the sewage pipe.

[0008] Furthermore, a third valve is provided on the outer wall of the nitrogen sealing tube and close to the pneumatic diaphragm pump.

[0009] Furthermore, the fixing assembly includes a guide rod fixed on the top of the cart and located on both sides of the fixed bottom ring, a fixing ring is slidably installed between the outer walls of the two guide rods, two movable blocks are fixed to the outer wall of the fixing ring, a guide groove slidably connected to the guide rod is opened on the outer wall of the fixing ring, the inner diameter of the fixing ring is the same as the inner diameter of the fixed bottom ring, two first butterfly bolts are screwed on the outer wall of the fixing ring, and one end of the first butterfly bolt is against the outer wall of the material barrel.

[0010] Furthermore, a mounting plate is arranged between the outer walls of the two guide rods and above the material barrel, and a socket hole is provided on the outer wall of the mounting plate for sliding connection with the guide rod. A second butterfly bolt is screwed on the outer wall of the mounting plate, and one end of the first butterfly bolt is inserted into the socket hole and against the outer wall of the guide rod.

[0011] The technical effects achieved by this utility model are:

[0012] This practical mobile feed metering trolley for chemical synthesis raw material workshop is equipped with a controller, an explosion-proof electronic scale, a first pipeline solenoid valve, and a second pipeline solenoid valve, so that the feed amount can be set manually. The touch screen on the controller displays the real-time feed amount and the remaining weight in the barrel, so that the barreled liquid material can be automatically fed. The feeding is automatically terminated after the set value is reached, which effectively reduces the error of human operation. The nitrogen pipe is equipped with the second pipeline solenoid valve to purge the material pipeline, reduce the pipeline residue, and realize accurate feed metering. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in a front view;

[0014] Figure 2 It is a side-view stereoscopic structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the partial cutaway structure of the utility model.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0017] 1. Cart; 2. Material barrel; 3. Extractor; 4. Pneumatic diaphragm pump; 5. Nitrogen sealing tube; 6. Discharge pipe; 7. Discharge port; 8. First check valve; 9. Drain valve; 10. Pressure gauge; 11. First valve; 12. Compressed air pipe; 13. Compressed air interface; 14. Air filter pressure reducer; 15. First pipeline solenoid valve; 16. Second valve; 17. Nitrogen pipe; 18. Nitrogen interface; 19. Second check valve; 20. Second pipeline solenoid valve; 21. Ball valve; 22. Controller; 23. Fixed bottom ring; 24. Guide rod; 25. Fixed ring; 26. First butterfly bolt; 27. Mounting plate; 28. Explosion-proof electronic scale. DETAILED DESCRIPTION

[0018] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0019] like Figure 1-3As shown, a mobile feed metering trolley for a chemical synthesis raw material workshop comprises a cart 1, a fixed bottom ring 23 is fixed on one side of the top of the cart 1, an explosion-proof electronic bench scale 28 is arranged on the top of the cart 1 and located in the fixed bottom ring 23, a material barrel 2 is arranged on the top of the cart 1 and located in the fixed bottom ring 23, the explosion-proof electronic bench scale 28 detects the remaining weight in the material barrel 2, a fixing component that can fix the material barrel 2 is arranged on the top of the cart 1, a tube extractor 3 is arranged inside the material barrel 2 corresponding to the fixing component, a nitrogen sealing tube 5 is connected to one side of the tube extractor 3, so as to realize closed feeding and reduce the probability of accidents, a third valve is arranged on the outer wall of the nitrogen sealing tube 5 and close to the pneumatic diaphragm pump 4, a pneumatic diaphragm pump 4 connected to the nitrogen sealing tube 5 is arranged on the top of the cart 1, a discharge pipe 6 is connected to the pneumatic diaphragm pump 4, a discharge port 7 is arranged on the other end of the discharge pipe 6, a first check valve 8 is arranged on the outer wall of the discharge pipe 6, and a discharge port 7 is arranged on the other end of the discharge pipe 6. A pressure gauge 10 is arranged above 8, a pipeline purge assembly is arranged on the outer wall of the discharge pipe 6, a compressed air pipe 12 is arranged on the air inlet of the pneumatic diaphragm pump 4, a compressed air interface 13 is arranged at the other end of the compressed air pipe 12, the compressed air interface 13 is connected to an external compressed air source, an air filter pressure reducer 14 is arranged on the outer wall of the compressed air interface 13, a first pipeline type solenoid valve 15 is arranged on the outer wall of the compressed air pipe 12 and located above the air filter pressure reducer 14, a second valve 16 is arranged on the outer wall of the compressed air pipe 12 and located above the first pipeline type solenoid valve 15, an air filter pressure reducer 14 is arranged on the compressed air pipe 12, the lift of the pneumatic diaphragm pump 4 can be adjusted according to process requirements, a controller 22 is arranged on one side of the top of the cart 1, the controller 22 is implemented in the form of a single chip microcomputer, with an explosion-proof touch screen, the feed amount can be set manually, the real-time feed amount and the remaining weight in the barrel are displayed on the touch screen, and a prompt message is also issued;

[0020] like Figure 1-2 As shown, the pipeline purge assembly includes an outer wall of the discharge pipe 6 and a nitrogen pipe 17 located above the pressure gauge 10, a first valve 11 is arranged on the outer wall of the discharge pipe 6 and above the nitrogen pipe 17, a nitrogen interface 18 is arranged at the other end of the nitrogen pipe 17, a ball valve 21 is arranged on the outer wall of the nitrogen pipe 17, a second pipeline solenoid valve 20 is arranged on the outer wall of the nitrogen pipe 17 and below the ball valve 21, and a second check valve 19 is arranged on the outer wall of the nitrogen pipe 17 and below the second pipeline solenoid valve 20 to prevent material from entering Into the nitrogen system, connected to the external nitrogen source through the nitrogen interface 18, open the second pipeline solenoid valve 20, the pipeline can be purged to avoid excessive residue in the material pipeline, affecting the accuracy of the feed amount; the outer wall of the discharge pipe 6 and located between the first check valve 8 and the pressure gauge 10 are connected to a sewage pipe, and the outer wall of the sewage pipe is provided with a sewage valve 9 to facilitate the discharge of sewage and the cleaning of the pipeline; the controller 22 is electrically connected to the explosion-proof electronic scale 28, the first pipeline solenoid valve 15 and the second pipeline solenoid valve 20;

[0021] like Figure 1-3 As shown, the fixing assembly includes a guide rod 24 which is fixed on the top of the cart 1 and located on both sides of the fixed bottom ring 23, a fixing ring 25 is slidably installed between the outer walls of the two guide rods 24, two moving blocks are fixed to the outer wall of the fixing ring 25, and a guide groove which is slidably connected to the guide rod 24 is opened through the outer wall of the fixing ring 25. The inner diameter of the fixing ring 25 is the same as the inner diameter of the fixed bottom ring 23. Two first butterfly bolts 26 are screwed on the outer wall of the fixing ring 25, and one end of the first butterfly bolt 26 is against the outer wall of the material barrel 2. The structure is simple. When installing the material barrel 2, the fixing ring 25 is moved to the lowest end through the moving blocks to align the fixed bottom ring 23, and then Put the material barrel 2 into the fixed bottom ring 23, limit its bottom by the fixed bottom ring 23, then move the fixed ring 25 to the upper middle part of the material barrel 2, and finally tighten the first butterfly bolt 26 to fix the material barrel 2; a mounting plate 27 is arranged between the outer walls of the two guide rods 24 and above the material barrel 2, the bottom of the mounting plate 27 is connected to the tube extractor 3, and a socket hole slidably connected to the guide rod 24 is opened on the outer wall of the mounting plate 27, and a second butterfly bolt is screwed on the outer wall of the mounting plate 27, and one end of the second butterfly bolt is inserted into the socket hole and abuts against the outer wall of the guide rod 24, which is convenient for installing and fixing the tube extractor 3 and adjusting the height, and is more practical.

[0022] The working principle of the utility model is as follows: the pneumatic diaphragm pump 4, the controller 22, the explosion-proof electronic scale 28, the first pipeline solenoid valve 15, the second pipeline solenoid valve 20, and the pipe valve parts are integrated to form a mobile feed metering trolley, after the liquid material barrel 2 is placed in the fixed bottom ring 23 on the cart 1, the tube extractor 3, the nitrogen sealing tube 5, the nitrogen interface 18 and the compressed air interface 13 are manually connected and installed, and the feed setting value is set on the controller 22. After clicking start, the controller 22 automatically opens the first pipeline solenoid valve 15 of the compressed air, and the pneumatic diaphragm pump 4 starts to feed. When the set value is reached, the first pipeline solenoid valve 15 is closed, and the second pipeline solenoid valve 20 is opened to purge the pipeline. After a certain period of purge, the second pipeline solenoid valve 20 is closed, and the feeding is completed.

[0023] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. Mobile feed metering trolley for chemical synthesis API workshop, characterized by: The invention comprises a cart (1), a fixed bottom ring (23) is fixed on one side of the top of the cart (1), an explosion-proof electronic scale (28) is arranged on the top of the cart (1) and located inside the fixed bottom ring (23), a material barrel (2) is arranged on the top of the cart (1) and located inside the fixed bottom ring (23), a fixing component that can fix the material barrel (2) is arranged on the top of the cart (1), a tube extractor (3) is arranged inside the material barrel (2) corresponding to the fixing component, one side of the tube extractor (3) is connected to a nitrogen sealing tube (5), a pneumatic diaphragm pump (4) connected to the nitrogen sealing tube (5) is arranged on the top of the cart (1), a discharge pipe (6) is connected to the pneumatic diaphragm pump (4), a discharge port (7) is arranged at the other end of the discharge pipe (6), and a discharge port (7) is arranged on the outer wall of the discharge pipe (6). A first check valve (8) is provided, a pressure gauge (10) is provided on the outer wall of the discharge pipe (6) and located above the first check valve (8), a pipeline purge assembly is provided on the outer wall of the discharge pipe (6), a compressed air pipe (12) is provided on the air inlet of the pneumatic diaphragm pump (4), a compressed air interface (13) is provided at the other end of the compressed air pipe (12), an air filter pressure reducer (14) is provided on the outer wall of the compressed air interface (13), a first pipeline solenoid valve (15) is provided on the outer wall of the compressed air pipe (12) and located above the air filter pressure reducer (14), a second valve (16) is provided on the outer wall of the compressed air pipe (12) and located above the first pipeline solenoid valve (15), and a controller (22) is provided on one side of the top of the cart (1).

2. The mobile feed metering trolley for chemical synthesis bulk drug workshop according to claim 1, characterized in that: The pipeline purge assembly comprises an outer wall of a discharge pipe (6) and a nitrogen pipe (17) located above a pressure gauge (10) and connected thereto; a first valve (11) is arranged on the outer wall of the discharge pipe (6) and located above the nitrogen pipe (17); a nitrogen interface (18) is arranged at the other end of the nitrogen pipe (17); a ball valve (21) is arranged on the outer wall of the nitrogen pipe (17); a second pipeline-type solenoid valve (20) is arranged on the outer wall of the nitrogen pipe (17) and located below the ball valve (21); and a second check valve (19) is arranged on the outer wall of the nitrogen pipe (17) and located below the second pipeline-type solenoid valve (20).

3. The mobile feed metering trolley for chemical synthesis bulk drug workshop according to claim 1, characterized in that: A sewage pipe is connected to the outer wall of the discharge pipe (6) and is located between the first check valve (8) and the pressure gauge (10), and a sewage valve (9) is arranged on the outer wall of the sewage pipe.

4. The mobile feed metering trolley for chemical synthesis bulk drug workshop according to claim 1, characterized in that: A third valve is provided on the outer wall of the nitrogen sealing tube (5) and close to the pneumatic diaphragm pump (4).

5. The mobile feed metering trolley for chemical synthesis bulk drug workshop according to claim 1, characterized in that: The fixing assembly comprises a guide rod (24) which is fixed on both sides of a fixing bottom ring (23) and is located at the top of the cart (1). A fixing ring (25) is slidably mounted between the outer walls of the two guide rods (24). Two moving blocks are fixed to the outer wall of the fixing ring (25). A guide groove which is slidably connected to the guide rod (24) is formed through the outer wall of the fixing ring (25). The inner diameter of the fixing ring (25) is the same as the inner diameter of the fixing bottom ring (23). Two first butterfly bolts (26) are screwed to the outer wall of the fixing ring (25), and one end of the first butterfly bolt (26) abuts against the outer wall of the material barrel (2).

6. The mobile feed metering vehicle for chemical synthesis bulk drug workshop according to claim 5, characterized in that: A mounting plate (27) is arranged between the outer walls of the two guide rods (24) and above the material barrel (2). The bottom of the mounting plate (27) is connected to the tube extractor (3). A sleeve hole slidably connected to the guide rod (24) is formed through the outer wall of the mounting plate (27). A second butterfly bolt is screwed onto the outer wall of the mounting plate (27). One end of the first butterfly bolt is inserted into the sleeve hole and abuts against the outer wall of the guide rod (24).

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