CN118387371B - Automatic filling equipment for nitric acid production - Google Patents
Automatic filling equipment for nitric acid production Download PDFInfo
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- CN118387371B CN118387371B CN202410815166.2A CN202410815166A CN118387371B CN 118387371 B CN118387371 B CN 118387371B CN 202410815166 A CN202410815166 A CN 202410815166A CN 118387371 B CN118387371 B CN 118387371B
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- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 25
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 238000012824 chemical production Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 238000005429 filling process Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- NDEMNVPZDAFUKN-UHFFFAOYSA-N guanidine;nitric acid Chemical compound NC(N)=N.O[N+]([O-])=O.O[N+]([O-])=O NDEMNVPZDAFUKN-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Basic Packing Technique (AREA)
Abstract
The application provides automatic filling equipment for nitric acid production, which belongs to the technical field of chemical production and comprises a conveyor, a first cylinder arranged on a truss at the top of the conveyor and a filling pipeline arranged at the execution end of the first cylinder; the filling pipeline consists of a pressing column, a sleeve and a hollow valve column, the pressing column is arranged at the execution end of the first cylinder, the sleeve is movably sleeved at the bottom of the pressing column through a first elastic piece, and the hollow valve column is movably sleeved in the sleeve through a second elastic piece; the sleeve is communicated with a pressure relief pipe and a liquid delivery pipe, an air inlet hole matched with the pressure relief pipe and a liquid inlet hole matched with the liquid delivery pipe are formed in the outer wall of the hollow valve column, the air inlet hole is higher than the liquid inlet hole and both are communicated with the inner cavity of the hollow valve column, a conical surface step is formed in the bottom of the sleeve, and an exhaust pipe is connected in the pipe wall of the sleeve in a penetrating manner; the application can solve the problem that the residual nitric acid liquid in the filling pipeline evaporates and escapes to the surrounding environment.
Description
Technical Field
The application relates to the technical field of chemical production, in particular to automatic filling equipment for nitric acid production.
Background
Nitric acid is an inorganic acid with a strong pungent odor and is widely used in the production of fertilizers, explosives, dyes, pharmaceuticals and other chemicals. Meanwhile, nitric acid has strong oxidizing property, can oxidize a plurality of substances, is easy to react with reducing substances, and can even generate the phenomenon of evaporation in normal-temperature air along with the increase of time. Because of the strong acidity and the oxidizing property of nitric acid, in the existing nitric acid production and preparation process, automatic filling equipment is generally adopted to replace a manual filling mode to fill nitric acid liquid into a filling container, and meanwhile, a sealing cover of the filling container is automatically arranged at a feeding pipe of the filling container, so that an operator is prevented from contacting or sucking nitric acid steam, and further, a certain guarantee is provided for personal safety of the operator.
Referring to a Chinese patent document with publication number CN207985262U and publication date 2018, 10 month and 19 day, the Chinese patent document is named as a semi-automatic filling machine for preparing superfine guanidine nitrate, the filling speed is increased by adopting an automatic filling mode, the production efficiency is improved, the participation of personnel is reduced, and the chemical hazard suffered by the personnel is further reduced to a certain extent.
According to the technical scheme, in the actual filling process of the nitric acid, after the valves connected in series in the filling pipeline are closed, part of the nitric acid liquid still remains in the filling pipeline, the part of the nitric acid liquid does not immediately fall into the filling container, but slowly drops along the inner wall of the filling pipeline, the part of the nitric acid liquid still possibly causes the generation of nitric acid steam due to long-time exposure to the air, and the generated nitric acid steam is easy to directly escape into the surrounding environment to cause harm to personnel.
Disclosure of Invention
In view of the above, the application provides an automatic filling device for nitric acid production, which is mainly used for solving the problem that residual nitric acid liquid in a filling pipeline evaporates and escapes to the surrounding environment.
In order to solve the technical problems, the application provides automatic filling equipment for nitric acid production, which comprises a conveyor, a first cylinder arranged on a truss at the top of the conveyor and a filling pipeline arranged at the execution end of the first cylinder; the filling pipeline consists of a pressing column, a sleeve and a hollow valve column, the pressing column is arranged at the execution end of the first cylinder, the sleeve is movably sleeved at the bottom of the pressing column through a first elastic piece, and the hollow valve column is movably sleeved in the sleeve through a second elastic piece; the casing is communicated with a pressure relief pipe and a liquid delivery pipe, an air inlet hole matched with the pressure relief pipe and a liquid inlet hole matched with the liquid delivery pipe are formed in the outer wall of the hollow valve column, the air inlet hole is higher than the liquid inlet hole and both are communicated with the inner cavity of the hollow valve column, a conical surface step capable of being abutted to a feeding pipe of a filling container is arranged at the bottom of the casing, and an exhaust pipe capable of being communicated with the inner cavity of the filling container when the conical surface step is abutted to the feeding pipe of the filling container is fixedly penetrated in the pipe wall of the casing.
Through adopting above-mentioned technical scheme, when conical surface step butt filling container pan feeding pipe, with the outside aspiration pump with the exhaust tube intercommunication with the inside air of filling container take out, after the hollow spool adjusts to the state that makes liquid pipe and feed liquor hole intercommunication, send into the filling container with nitric acid through liquid pipe, feed liquor hole, hollow spool and sleeve pipe in proper order, make the filling container inner chamber keep negative pressure state simultaneously. After the hollow valve column is adjusted to be in a state that the pressure relief pipe is communicated with the air inlet, external air sequentially passes through the pressure relief pipe, the air inlet, the hollow valve column and the sleeve pipe to enter the filling container under the negative pressure action of the inner cavity of the filling container, so that the inner cavity of the filling container is restored to a normal pressure state, and meanwhile, residual nitric acid in the sleeve pipe is promoted to enter the filling container.
Optionally, be provided with the second cylinder on the truss, the second cylinder execution end is provided with the limiting plate that can with filling container pan feeding pipe gomphosis.
Through adopting above-mentioned technical scheme, after the filling container reaches the sleeve pipe below, utilize the limiting plate to carry out spacingly to the filling container, avoid the filling container to take place the position offset in the filling process.
Optionally, articulated on the sleeve pipe have the first crank of high unanimity and the unanimous crank of length and second, articulated through the torsional spring between first crank's bottom and the second crank's bottom has the upper cover dish, is provided with the spacer pin that can the first crank of butt on the sleeve pipe, is provided with the closing cap conveyer belt on the truss, and the upper surface of closing cap conveyer belt flushes with the upper surface of limiting plate, and upper cover dish bottom rotates and is connected with a plurality of gyro wheels that can butt limiting plate and closing cap conveyer belt upper surface, and the upper cover dish is inside to be provided with and snatchs the piece.
Through adopting above-mentioned technical scheme, utilize the cooperation of snatch piece and closing cap conveyer belt to shift the closing cap to the upper cover dish inside at the filling in-process, at the same time at upper cover dish follow first crank and second crank reset time with the preliminary knot of closing cap put in the pan feeding department of filling container to avoid the inside nitric acid of filling container to evaporate and leak to surrounding environment in follow-up transportation process.
Optionally, the sleeve and the hinge shaft of the first crank are located in the same vertical plane as the limit pin.
By adopting the technical scheme, as the first crank, the second crank, the upper cover disc and the frame beam where the second crank is arranged on the sleeve can form a parallelogram mechanism, dead points are prevented from being generated through the limiting pin.
Optionally, snatch the piece and include two and articulate the claw that colludes in last lid dish inside through the third elastic component, and collude the terminal surface that claw kept away from self pin joint one end and be can with the tangent cambered surface of closing cap, be provided with a plurality of sand grips that are used for making closing cap one-to-one interval on the area body of closing cap conveyer belt.
Through adopting above-mentioned technical scheme, collude the claw and can accomplish the automation of closing cap through the cooperation of sand grip when following the upper cover dish removal.
Optionally, the hinge shaft of the first crank and the upper cover disc is provided with a cam, the maximum diameter of the cam is parallel to the first crank, the circle center of the cam is positioned on the hinge shaft of the first crank and the upper cover disc, and the telecentric cambered surface of the cam is positioned at one end close to the upper cover disc.
By adopting the technical scheme, when the upper cover plate is reset, the cam can push the sealing cover in the upper cover plate downwards, so that the sealing cover is favorable for blanking from the inner part of the upper cover plate and is buckled at the feeding pipe of the filling container.
Optionally, a cap screwing machine is arranged on the truss and used for screwing a cap buckled at the feeding pipe of the filling container.
Through adopting above-mentioned technical scheme, after the filling container is carried to the screw capping machine below, screw capping machine can be automatic screw up the closing cap of putting in filling container pan feeding pipe department with preliminary knot.
Optionally, sliding connection has two deflector on the conveyer, and the filling container is located between two deflector, and threaded connection has a plurality of locking bolts that are used for compressing tightly the deflector on the conveyer.
Through adopting above-mentioned technical scheme, in the in-process that the conveyer carried the filling container, the personnel can be according to the size adjustment interval of two deflector of filling container, avoid the filling container to take place the position offset in the transportation process.
In summary, compared with the prior art, the application has at least one of the following beneficial technical effects:
1. The negative pressure is formed in the inner cavity of the filling container by adopting a mode of pumping air in the inner cavity of the filling container before filling, so that the contact time and contact area of nitric acid and air in the filling process are reduced, the probability that nitric acid steam is generated and escapes to the surrounding environment is further reduced, meanwhile, the inner cavity of the filling container is enabled to recover normal pressure by negative pressure suction after filling is finished, and the air flow sucked by the negative pressure can pass through a filling pipeline of nitric acid, so that residual nitric acid in the filling pipeline is promoted to enter the filling container.
2. The grabbing and buckling actions of the sealing cover are synchronously completed in the filling process, so that the filling container is in a state that the feeding pipe is blocked by the sealing cover in the subsequent conveying process, and the probability that nitric acid vapor in the filling container escapes to the outside of the filling container from the feeding pipe and causes harm to personnel is reduced.
Drawings
FIG. 1 is a schematic diagram of an automatic filling device for nitric acid production;
FIG. 2 is a schematic structural view of a filling pipe according to the present application;
FIG. 3 is a cross-sectional view of a sleeve of the present application;
FIG. 4 is an enlarged view of a portion of the area A of FIG. 3 in accordance with the present application;
FIG. 5 is an enlarged view of a portion of region B of FIG. 2 in accordance with the present application;
fig. 6 is a cross-sectional view of the upper cover tray of the present application.
Reference numerals illustrate: 1. a conveyor; 11. truss; 12. a first cylinder; 2. filling a pipeline; 21. pressing a column; 22. a sleeve; 221. a pressure relief tube; 222. a liquid feeding pipe; 223. conical surface steps; 224. an exhaust pipe; 23. a hollow spool; 231. an air inlet hole; 232. a liquid inlet hole; 24. a first elastic member; 25. a second elastic member; 3. a second cylinder; 31. a limiting plate; 4. an upper cover plate; 41. a first crank; 42. a second crank; 43. a torsion spring; 44. a limiting pin; 45. a cover conveyer belt; 46. a roller; 47. a gripping member; 471. a hook claw; 472. a third elastic member; 473. a convex strip; 48. a cam; 5. a capping machine; 6. a guide plate; 61. and (5) locking the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the application, fall within the scope of protection of the application.
Referring to fig. 1,2,3 and 4, the present embodiment provides an automatic filling apparatus for nitric acid production, which includes a conveyor 1, a first cylinder 12 disposed on a top truss 11 of the conveyor 1, and a filling pipe 2 mounted on an execution end of the first cylinder 12.
The filling pipeline 2 is composed of a pressing column 21, a sleeve 22 and a hollow valve column 23, wherein the pressing column 21 is arranged at the execution end of the first cylinder 12, the sleeve 22 is movably sleeved at the bottom of the pressing column 21 through a first elastic piece 24, and the hollow valve column 23 is movably sleeved inside the sleeve 22 through a second elastic piece 25.
The casing 22 is communicated with a pressure relief pipe 221 and a liquid delivery pipe 222, an air inlet hole 231 matched with the pressure relief pipe 221 and a liquid inlet hole 232 matched with the liquid delivery pipe 222 are formed in the outer wall of the hollow valve column 23, the air inlet hole 231 is higher than the liquid inlet hole 232 and both are communicated with the inner cavity of the hollow valve column 23, a conical surface step 223 capable of being abutted to a filling container feeding pipe is arranged at the bottom of the casing 22, and an exhaust pipe 224 capable of being communicated with the filling container inner cavity when the conical surface step 223 is abutted to the filling container feeding pipe is fixedly penetrated in the pipe wall of the casing 22.
When filling is carried out, the conveyor 1 firstly conveys the filling container to the position right below the sleeve 22, and then the first cylinder 12 stretches downwards to drive the filling pipeline 2 to move downwards until the conical surface step 223 at the bottom of the sleeve 22 is abutted with the feeding pipe of the filling container, so that the air extraction pipe 224 is communicated with the inner cavity of the filling container, and at the moment, the air in the filling container is extracted by means of an external air extraction pump communicated with the air extraction pipe 224, so that the inner cavity of the filling container is kept in a vacuum negative pressure state.
As the first cylinder 12 continues to extend downwards, the sleeve 22 will not change position due to the abutting of the feeding tube of the filling container, and the compression column 21 will retract into the sleeve 22 against the elastic force of the first elastic member 24 until the compression column 21 abuts the hollow valve column 23 and drives it to move downwards in the sleeve 22 against the elastic force of the second elastic member 25. When the liquid feeding pipe 222 is aligned with and communicated with the liquid inlet hole 232, nitric acid can be fed into the filling container through the liquid feeding pipe 222, the liquid inlet hole 232, the hollow valve column 23 and the sleeve 22 in sequence through the cooperation of an external infusion pump.
After filling, the first cylinder 12 drives the compression column 21 to move upwards, the hollow valve column 23 moves upwards and resets under the influence of the elastic potential energy of the second elastic piece 25, the liquid feeding pipe 222 and the liquid inlet 232 are misplaced to stop the introduction of nitric acid, after the pressure release pipe 221 is aligned with and communicated with the air inlet 231, external air can sequentially enter the filling container through the pressure release pipe 221, the air inlet 231, the hollow valve column 23 and the sleeve 22 under the negative pressure action of the inner cavity of the filling container until the inner cavity of the filling container is restored to a normal pressure state, and residual nitric acid inside the hollow valve column 23 and the sleeve 22 can be wrapped and clamped when the air flow sucked by the negative pressure passes through the hollow valve column 23 and the sleeve 22 to enter the filling container together.
After the hollow valve column 23 is reset under the action of the second elastic piece 25, the first cylinder 12 is in the process of continuously driving the pressing column 21 to move upwards, so that the pressing column 21 is gradually far away from the hollow valve column 23, the first elastic piece 24 is still in a compressed state in the state, and the conical surface step 223 at the bottom of the sleeve 22 is kept in a abutting state with a feeding pipe of the filling container, so that a certain response time is provided for negative pressure suction operation.
Referring to fig. 1 and 2, the truss 11 is provided with a second cylinder 3, and an execution end of the second cylinder 3 is provided with a limiting plate 31 which can be embedded with a feeding pipe of the filling container.
After the filling container reaches the lower part of the sleeve 22, the second cylinder 3 is operated to enable the limiting plate 31 to be close to the filling container until the limiting plate 31 is embedded with a feeding pipe of the filling container, limiting and fixing of the filling container are achieved, and the probability of nitric acid scattering caused by position deviation of the filling container in the filling process is reduced.
Referring to fig. 2, 5 and 6, a first crank 41 and a second crank 42 with the same height and the same length are hinged on the sleeve 22, an upper cover plate 4 is hinged between the bottom end of the first crank 41 and the bottom end of the second crank 42 through a torsion spring 43, a limiting pin 44 capable of being abutted against the first crank 41 is arranged on the sleeve 22, a cover conveyer belt 45 is arranged on the truss 11, the upper surface of the cover conveyer belt 45 is flush with the upper surface of the limiting plate 31, a plurality of rollers 46 capable of being abutted against the limiting plate 31 and the upper surface of the cover conveyer belt 45 are rotatably connected to the bottom of the upper cover plate 4, and a grabbing piece 47 is arranged inside the upper cover plate 4.
Referring to fig. 2 and 5, the hinge shaft of the sleeve 22 and the first crank 41 is located in the same vertical plane as the limit pin 44.
Referring to fig. 5 and 6, the gripping member 47 includes two hooks 471 hinged inside the upper cover tray 4 by a third elastic member 472, and an end surface of one end of the hooks 471 away from the hinge point is a cambered surface capable of being tangent to the cover, and a plurality of protruding strips 473 for spacing the covers one by one are provided on the belt body of the cover conveying belt 45.
Referring to fig. 6, a cam 48 is provided on the hinge shaft of the first crank 41 and the upper cover tray 4, the maximum diameter of the cam 48 is parallel to the first crank 41, the center of the cam 48 is located on the hinge shaft of the first crank 41 and the upper cover tray 4, and the telecentric arc surface of the cam 48 is located near one end of the upper cover tray 4.
In the downward movement process of the sleeve 22, the roller 46 will abut against the upper surfaces of the limiting plate 31 and the cover conveyer 45, and as the first crank 41, the second crank 42, the upper cover tray 4 and the frame beam where the second crank 42 on the sleeve 22 is located can form a parallelogram mechanism, the upper cover tray 4 will slide towards the cover conveyer 45 under the support of the roller 46 along with the continued downward movement of the sleeve 22. After the cambered surface portion of the hook claw 471 abuts against the cover, the cover will be abutted against the side wall of the raised strip 473 under the pushing of the hook claw 471, and as the upper cover tray 4 continues to slide towards the direction of the cover conveying belt 45, the two hook claws 471 will overcome the elastic potential energy of the third elastic element 472 to open outwards for the cover to pass through until the cover enters the upper cover tray 4, and then the two hook claws 471 are reset under the action of the third elastic element 472.
In the process of upward movement of the sleeve 22, the upper cover plate 4, the first crank 41 and the second crank 42 are automatically reset to an initial state under the action of the torsion spring 43, the sealing cover is transferred to the position right above the feeding pipe of the filling container, and meanwhile, the sealing cover is buckled and placed at the feeding pipe of the filling container by the pushing force from the telecentric cambered surface of the cam 48, so that nitric acid in the filling container is prevented from evaporating and leaking into the surrounding environment in the subsequent conveying process.
Referring to fig. 1, a capping machine 5 is provided on the truss 11 for tightening a cap fastened to a filling pipe of the filling container.
After the filling container is conveyed below the cap screwing machine 5, the cap screwing machine 5 can automatically screw the cap preliminarily buckled at the feeding pipe of the filling container.
Referring to fig. 1, two guide plates 6 are slidably connected to the conveyor 1, and a filling container is disposed between the two guide plates 6, and a plurality of locking bolts 61 for pressing the guide plates 6 are screwed to the conveyor 1.
In the process of conveying the filling containers by the conveyor 1, a person can adjust the distance between the two guide plates 6 according to the size of the filling containers, so that the two guide plates 6 provide a certain guide limiting effect for the filling containers, and the probability of position deviation of the filling containers in the conveying process is reduced.
The embodiment of the application provides automatic filling equipment for nitric acid production, which comprises the following implementation principles:
When filling work is carried out, the conveyor 1 firstly conveys the filling container to the position right below the sleeve 22, and the second cylinder 3 operates to enable the limiting plate 31 to be close to the filling container until the limiting plate 31 is embedded with a feeding pipe of the filling container, so that limiting and fixing of the filling container are realized.
Then the first air cylinder 12 stretches downwards to drive the filling pipe 2 to move downwards until the conical surface step 223 at the bottom of the sleeve 22 is abutted with the feeding pipe of the filling container, so that the air extraction pipe 224 is communicated with the inner cavity of the filling container, and at the moment, the air in the filling container is extracted by means of an external air extraction pump communicated with the air extraction pipe 224, so that the inner cavity of the filling container is kept in a vacuum negative pressure state.
As the first cylinder 12 continues to extend downwards, the sleeve 22 will not change position due to the abutting of the feeding tube of the filling container, and the compression column 21 will retract into the sleeve 22 against the elastic force of the first elastic member 24 until the compression column 21 abuts the hollow valve column 23 and drives it to move downwards in the sleeve 22 against the elastic force of the second elastic member 25. When the liquid feeding pipe 222 is aligned with and communicated with the liquid inlet hole 232, nitric acid can be fed into the filling container through the liquid feeding pipe 222, the liquid inlet hole 232, the hollow valve column 23 and the sleeve 22 in sequence through the cooperation of an external infusion pump.
After filling, the first cylinder 12 drives the compression column 21 to move upwards, the hollow valve column 23 moves upwards and resets under the influence of the elastic potential energy of the second elastic piece 25, the liquid feeding pipe 222 and the liquid inlet 232 are misplaced to stop the introduction of nitric acid, after the pressure release pipe 221 is aligned with and communicated with the air inlet 231, external air can sequentially enter the filling container through the pressure release pipe 221, the air inlet 231, the hollow valve column 23 and the sleeve 22 under the negative pressure action of the inner cavity of the filling container until the inner cavity of the filling container is restored to a normal pressure state, and residual nitric acid inside the hollow valve column 23 and the sleeve 22 can be wrapped and clamped when the air flow sucked by the negative pressure passes through the hollow valve column 23 and the sleeve 22 to enter the filling container together.
In the downward movement process of the sleeve 22, the roller 46 will abut against the upper surfaces of the limiting plate 31 and the cover conveyer 45, and as the first crank 41, the second crank 42, the upper cover tray 4 and the frame beam where the second crank 42 on the sleeve 22 is located can form a parallelogram mechanism, the upper cover tray 4 will slide towards the cover conveyer 45 under the support of the roller 46 along with the continued downward movement of the sleeve 22. After the cambered surface portion of the hook claw 471 abuts against the cover, the cover will be abutted against the side wall of the raised strip 473 under the pushing of the hook claw 471, and as the upper cover tray 4 continues to slide towards the direction of the cover conveying belt 45, the two hook claws 471 will overcome the elastic potential energy of the third elastic element 472 to open outwards for the cover to pass through until the cover enters the upper cover tray 4, and then the two hook claws 471 are reset under the action of the third elastic element 472.
In the process of upward movement of the sleeve 22, the upper cover plate 4, the first crank 41 and the second crank 42 are automatically reset to the initial state under the action of the torsion spring 43, the sealing cover is transferred to the position right above the feeding pipe of the filling container, and meanwhile, the sealing cover is buckled and placed at the feeding pipe of the filling container under the pushing force from the telecentric cambered surface of the cam 48. After the filling container is conveyed to the position below the cap screwing machine 5, the cap screwing machine 5 automatically screws the cap preliminarily buckled at the feeding pipe of the filling container.
Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (3)
1. Automatic filling equipment is used in nitric acid production, including conveyer, set up the first cylinder on conveyer top truss and install the filling pipeline at first cylinder execution end, its characterized in that:
The filling pipeline consists of a pressing column, a sleeve and a hollow valve column, the pressing column is arranged at the execution end of the first cylinder, the sleeve is movably sleeved at the bottom of the pressing column through a first elastic piece, and the hollow valve column is movably sleeved in the sleeve through a second elastic piece;
The sleeve is communicated with a pressure relief pipe and a liquid delivery pipe, an air inlet hole matched with the pressure relief pipe and a liquid inlet hole matched with the liquid delivery pipe are formed in the outer wall of the hollow valve column, the air inlet hole is higher than the liquid inlet hole and both are communicated with the inner cavity of the hollow valve column, a conical surface step capable of being abutted against a feeding pipe of the filling container is arranged at the bottom of the sleeve, and an exhaust pipe capable of being communicated with the inner cavity of the filling container when the conical surface step is abutted against the feeding pipe of the filling container is fixedly penetrated in the pipe wall of the sleeve;
the truss is provided with a second cylinder, and the execution end of the second cylinder is provided with a limiting plate which can be embedded with a feeding pipe of the filling container;
The sleeve is hinged with a first crank and a second crank which are identical in height and length, an upper cover plate is hinged between the bottom end of the first crank and the bottom end of the second crank through a torsion spring, a limiting pin which can be abutted against the first crank is arranged on the sleeve, a cover conveyer belt is arranged on the truss, the upper surface of the cover conveyer belt is flush with the upper surface of the limiting plate, a plurality of rollers which can be abutted against the limiting plate and the upper surface of the cover conveyer belt are rotatably connected to the bottom of the upper cover plate, and a grabbing piece is arranged inside the upper cover plate;
the sleeve and the hinge shaft of the first crank are positioned in the same vertical plane with the limiting pin;
The grabbing piece comprises two hook claws hinged in the upper cover disc through a third elastic piece, the end face of one end of each hook claw, which is far away from a hinge point of the hook claw, is a cambered surface which can be tangent with the sealing cover, and a plurality of raised strips for enabling the sealing covers to be spaced one by one are arranged on a belt body of the sealing cover conveying belt;
The cam is arranged on the hinge shaft of the first crank and the upper cover disc, the maximum diameter of the cam is parallel to the first crank, the circle center of the cam is positioned on the hinge shaft of the first crank and the upper cover disc, and the telecentric cambered surface of the cam is positioned at one end close to the upper cover disc.
2. The automatic filling device for nitric acid production according to claim 1, wherein: and a cover screwing machine is arranged on the truss and used for screwing the cover buckled at the feeding pipe of the filling container.
3. The automatic filling device for nitric acid production according to claim 1, wherein: the conveyor is connected with two guide plates in a sliding manner, the filling container is located between the two guide plates, and the conveyor is connected with a plurality of locking bolts used for pressing the guide plates in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410815166.2A CN118387371B (en) | 2024-06-24 | 2024-06-24 | Automatic filling equipment for nitric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410815166.2A CN118387371B (en) | 2024-06-24 | 2024-06-24 | Automatic filling equipment for nitric acid production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118387371A CN118387371A (en) | 2024-07-26 |
| CN118387371B true CN118387371B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410815166.2A Active CN118387371B (en) | 2024-06-24 | 2024-06-24 | Automatic filling equipment for nitric acid production |
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| CN (1) | CN118387371B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891474A (en) * | 2020-08-11 | 2020-11-06 | 上海观道生物科技有限公司 | Full-automatic dispensing equipment for volumetric traditional Chinese medicine particles and production method thereof |
| CN212799588U (en) * | 2020-07-16 | 2021-03-26 | 张家港市鑫淼机械有限公司 | Liquid filling machine antidrip device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516227A (en) * | 1968-08-23 | 1970-06-23 | Diamond Int Corp | Apparatus for continuously producing packages of produce |
| NL1006898C2 (en) * | 1997-09-01 | 1999-03-02 | Opw Fueling Components Europ B | Filling gun with end valve and venturi in the dispensing end half of the nozzle. |
| CN2349490Y (en) * | 1998-04-07 | 1999-11-17 | 廖裕隆 | Structure improved ventilator |
| EP1086842B1 (en) * | 1999-09-22 | 2006-03-08 | Toyoda Gosei Co., Ltd. | Fueling device |
| CN115416888A (en) * | 2022-09-28 | 2022-12-02 | 山东省中源联科生物工程集团有限公司 | Quick filling system of collagen gel |
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2024
- 2024-06-24 CN CN202410815166.2A patent/CN118387371B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212799588U (en) * | 2020-07-16 | 2021-03-26 | 张家港市鑫淼机械有限公司 | Liquid filling machine antidrip device |
| CN111891474A (en) * | 2020-08-11 | 2020-11-06 | 上海观道生物科技有限公司 | Full-automatic dispensing equipment for volumetric traditional Chinese medicine particles and production method thereof |
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