CN113460342A - Quantitative filling device for preparing o-nitrobenzoic acid and production process thereof - Google Patents
Quantitative filling device for preparing o-nitrobenzoic acid and production process thereof Download PDFInfo
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- CN113460342A CN113460342A CN202110774865.3A CN202110774865A CN113460342A CN 113460342 A CN113460342 A CN 113460342A CN 202110774865 A CN202110774865 A CN 202110774865A CN 113460342 A CN113460342 A CN 113460342A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
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- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention relates to the technical field of quantitative filling, and discloses a quantitative filling device for preparing o-nitrobenzoic acid and a production process thereof. When the inside of packing is gone into in the filling through the material, the gas that will pack inside the mixture material lets in between workbin and the collection box, pile up the recovery, and the cross-section setting through the fixed plate, make the gas throughput that is mixing the material reduce, make the gas mixture store between workbin and collection box, avoid spouting extravagant outward of material, shape setting through workbin and collection box simultaneously, the material can be between workbin and collection box in the messenger gas mixture, pile up fast, pile up and supply next filling usefulness in the outside of activity gasbag, reduce the filling cost of material.
Description
Technical Field
The invention relates to the technical field of quantitative filling, in particular to a quantitative filling device for preparing o-nitrobenzoic acid and a production process thereof.
Background
The o-nitrobenzoic acid is generally filled and stored through a self-sealing bag, an aluminum foil bag, a paperboard barrel, a plastic barrel and the like during filling, wherein the paperboard barrel, the plastic barrel and the like with a stable bottle opening size and convenient for filling are most commonly used, filling is carried out through a filling machine during filling, the filling machine is composed of a plurality of parts during operation of the filling machine, wherein a filling motor controls filling of materials, the stirring motor stirs the materials through a stirrer, and a material box contains the materials to be filled.
In the canning process of a filling machine, the materials are packaged below the bottom end of a material box, the bottom end of the material box is close to but not in contact with the top end of the package, the bottom end of the material box is controlled to be opened in the filling machine through a filling motor, the materials enter the package containing the materials through the bottom end of the material box under the action of self gravity, when the materials fall into the package, the materials occupy the volume in the package, the materials push gas in the package to flush out, and the materials are powdery, small in particle and light in weight, so that the materials on the upper layer can reach the filling machine and the outside of the package along with the sprayed gas, the sprayed materials are not easy to recycle, waste of the materials is caused, and when the materials reach the outside of the filling machine, the working pressure of gas circulation filtration outside the filling machine is increased, and the energy consumption of a filtering system is increased; when the material waits to fill in the workbin, the big stirring effect of agitator rotating resistance is poor, reduces filling efficiency.
Disclosure of Invention
Aiming at the defects of the existing quantitative filling device in the use process in the background technology, the invention provides the quantitative filling device for preparing the o-nitrobenzoic acid and the production process thereof, which have the advantages of accurate weighing and outward spraying prevention and solve the technical problems in the background technology.
The invention provides the following technical scheme: a quantitative filling device for preparing o-nitrobenzoic acid comprises a support, wherein a movable shaft is movably connected to one side of the support, a feed box is arranged on the outer side of the movable shaft, fan-shaped holes are formed in the middle of the feed box at equal angles, a flexible sheet is fixedly connected to the feed box through the fan-shaped holes, a fixing frame is fixedly connected to the top end and the bottom end of the outer side of the feed box respectively, a recovery box is fixedly connected to the outer side of the fixing frame, a fixing plate is fixedly connected to the top end of the outer side of the feed box, a groove is formed in the bottom end of the recovery box, a sealing strip is fixedly connected to the bottom end of the inner wall of the groove, a magnetic ring I located inside the groove is fixedly connected to the middle portion of the top end of the sealing strip, a fixing air bag is fixedly connected to the top end of the groove, springs are fixedly connected to the top end and the bottom end inside the fixing air bag, and a magnetic ring II is fixedly connected to the bottom end of the fixing air bag, the utility model discloses a safe air bag, including fixed gasbag, workbin, activity gasbag, fixed gasbag one side fixedly connected with breather pipe that is close to the workbin of fixed gasbag, and fixed gasbag passes through the activity gasbag that breather pipe fixedly connected with is located between collection box and the workbin, the top swing joint of the outside of activity gasbag and workbin outside bottom mount, the outside swing joint of loose axle has the agitator.
Preferably, the fixed plate is annular in shape, and the cross-sectional area formed between the outer side of the fixed plate and the inner side of the recovery tank is half of the cross-sectional area formed between the bottom end of the bin and the outer side of the recovery tank.
Preferably, the groove is in an inverted T shape, the horizontal part of the groove is fixedly connected with the outer side of the sealing strip, and the inner part of the vertical part of the groove is provided with a fixed air bag.
Preferably, the shape of the sealing strip is circular ring, and the cross section of the sealing strip is in an inverted U shape.
Preferably, the magnetic ring I and the magnetic ring II are opposite magnets with attractive magnetism, and when the magnetic ring I and the magnetic ring II are at initial positions, the magnetic ring I and the magnetic ring II cannot interact with each other.
Preferably, the flexible sheet is made of an elastically deformable material, the surface of the flexible sheet on the inner side of the material box is smooth, and the initial state of the flexible sheet is parallel to the edge of the recovery box.
A production process of a quantitative filling device for preparing o-nitrobenzoic acid comprises the following steps:
s1, before filling, reacting m-nitrobenzoic acid by-products with calcium chloride, carrying out suction filtration on liquid while raising the temperature and regulating the pH value for multiple times, taking out solid in the liquid through suction filtration, refining and drying to obtain a finished product, putting the finished product into a box, enabling a packaging opening to enter the inside of a sealing strip, pushing the top end of the sealing strip to elastically deform, pushing a magnetic ring I, enabling the magnetic ring I and a magnetic ring II to magnetically attract each other, extending a spring, enabling gas in a movable air bag to enter the inside of a fixed air bag, contracting the movable air bag, and opening a channel between the box and a recovery box;
s2, when filling, the movable shaft is controlled to release the materials, the materials enter a package below, and in the process of material accumulation, gas of mixed materials in the package is pushed to overflow and is introduced into a channel between the material box and the recovery box, so that clean gas between the material box and the recovery box is introduced out through one outer side of the top end fixing plate, and the flexible sheet expands towards the inside of the material box;
s3, the flexible sheet expands to push the materials in the material box to shake, and the gas is continuously led out from the outer side of the fixed plate until the internal air pressure between the material box and the recovery box is a standard atmospheric pressure, namely the flexible sheet recovers the initial shape;
s4, filling is completed, the packaging opening leaves the inside of the sealing strip, the top end of the sealing strip restores deformation, the magnetic ring I is pulled to move downwards, no magnetic force exists between the magnetic ring I and the magnetic ring II, the spring contracts, gas inside the fixed air bag enters the inside of the movable air bag, the movable air bag expands, the outer side wall of the movable air bag is close to the inner wall of the recycling box and the outer wall of the material box, a channel between the material box and the recycling box is closed, materials in the gas mixed with the materials between the material box and the recycling box are stacked at the bottom ends of the material box and the recycling box and on the outer side of the movable air bag, and next material filling is waited.
The invention has the following beneficial effects:
1. according to the invention, when materials are filled into the package, the gas mixed with the materials in the package is introduced between the material box and the recovery box for stacking and recovery, and the gas mixed with the materials is reduced by arranging the cross section of the fixing plate, so that the mixed gas is stored between the material box and the recovery box, the waste of the materials due to external spraying is avoided, and meanwhile, the materials in the mixed gas can be rapidly stacked between the material box and the recovery box by arranging the shapes of the material box and the recovery box, and are stacked outside the movable air bag for next filling, so that the filling cost of the materials is reduced.
2. According to the invention, the gas mixed with the materials is accumulated between the material box and the recovery box, the flexible sheet is enabled to protrude towards the inner side of the material box by filling the gas, the material in the material box is pushed to move and stir by the outer side of the flexible sheet, the materials are continuously moved and stirred by the flexible sheet in the deformation recovery process, and meanwhile, in the process of filling the gas between the material box and the recovery box and filling the gas, the gas shakes to push the flexible sheet to shake, so that the stirring effect of the flexible sheet is enhanced, and the stirring efficiency is improved.
3. The stirring process of the stirrer is intermittent, namely the stirrer is static on the inner wall of the material box between the flexible sheets during filling, and the stirrer rotates during intermittent filling, so that the stirrer can extrude the flexible sheets to be close to one side in the material box during rotation in the process of stopping filling, and the gas is accelerated to be led out between the material box and the recovery box through the fixing plate, so that the filling efficiency is improved, and other flexible sheets can deform after one flexible sheet is extruded, so that the flexible sheets push materials to enhance the stirring effect.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a top view of the upper half of the structure of the present invention;
fig. 4 is a bottom cross-sectional top view of the inventive structure.
In the figure: 1. a support; 2. a movable shaft; 3. a material box; 4. a fixed mount; 5. a recycling bin; 6. a fixing plate; 7. a groove; 8. a sealing strip; 9. a magnetic ring I; 10. fixing the air bag; 11. a spring; 12. a magnetic ring II; 13. a movable air bag; 14. a flexible sheet; 15. a stirrer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a quantitative filling device for preparing o-nitrobenzoic acid comprises a bracket 1, a movable shaft 2 is movably connected to one side of the bracket 1, a material box 3 is arranged on the outer side of the movable shaft 2, fan-shaped holes are formed in the middle of the material box 3 at equal angles, a flexible sheet 14 is fixedly connected to the material box 3 through the fan-shaped holes, a fixed frame 4 is fixedly connected to the top end and the bottom end of the outer side of the material box 3 respectively, a recycling box 5 is fixedly connected to the outer side of the fixed frame 4, a fixed plate 6 is fixedly connected to the top end of the outer side of the material box 3, a groove 7 is formed in the bottom end of the recycling box 5, a sealing strip 8 is fixedly connected to the bottom end of the inner wall of the groove 7, a magnetic ring i 9 located inside the groove 7 is fixedly connected to the middle of the top end of the sealing strip 8, a fixed air bag 10 is fixedly connected to the top end of the groove 7, a spring 11 is fixedly connected to the top end and the bottom end of the fixed air bag 10, a magnetic ring ii 12 is fixedly connected to the fixed air bag 10, one side fixedly connected with breather pipe that is close to workbin 3 of fixed gasbag 10, and fixed gasbag 10 is located the activity gasbag 13 between collection box 5 and workbin 3 through breather pipe fixedly connected with, the top swing joint of the outside of activity gasbag 13 and workbin 3 outside bottom mount 4, the outside swing joint of loose axle 2 has agitator 15.
Wherein, be parallel between workbin 3 and the collection box 5, so the bottom gas gets into the entrance velocity of flow between workbin 3 and the collection box 5 big, the top velocity of flow to workbin 3 and collection box 5 is more little less, help the material to pile up at this section part of workbin 3 and collection box 5, and simultaneously, the bottom gas entrance between workbin 3 and the collection box 5 is vertical setting, make the gas of mixed material when following the air current motion, the material in the air current can strike on the lateral wall of workbin 3, thereby change the motion state of self, be favorable to the piling up effect of material in the air current, and the slope setting of workbin 3 and collection box 5 can make the material lead to the bottommost between workbin 3 and the collection box 5.
The fixing plate 6 is annular, the cross-sectional area formed by the outer side of the fixing plate 6 and the inner side of the recovery box 5 is one half of the cross-sectional area formed between the bottom end of the material box 3 and the outer side of the recovery box 5, and the cross-sectional area between the outer side of the fixing plate 6 and the recovery box 5 is smaller than the area between the bottom end material box 3 and the recovery box 5, so that gas mixed with materials is accumulated between the material box 3 and the recovery box 5, the flexible sheet 14 expands towards the inside of the material box 3, the flexible sheet 14 expands and contracts, and the materials in the material box 3 are stirred.
Wherein, the shape of recess 7 is "T" style of calligraphy of inversion, and the horizontal part of recess 7 and the outside fixed connection of sealing strip 8, the vertical part inside of recess 7 is provided with fixed gasbag 10, make sealing strip 8 can promote the motion of magnetic ring I9 in vertical direction, thereby control the magnetic action between I9 of magnetic ring and the magnetic ring II 12, come the inflation or the compression of control fixed gasbag 10, further control the inflation or the compression of activity gasbag 13, realize opening or closing of passageway between workbin 3 and collection box 5, thereby carry out the recovery of material in the gas that has the material mixture, avoid the waste of material, reduce the filling cost.
Wherein, the shape of sealing strip 8 is the ring shape, and the cross sectional shape of sealing strip 8 is "U" style of calligraphy of inversion, and the middle part length of sealing strip 8 and the circular packing mouth looks adaptation of each packing to make the packing mouth that sealing strip 8 can seal the packing, avoid spouting outward of material, reduce the outside gas filtration system's of liquid filling machine operating pressure, improve the validity of filling.
The magnetic rings I9 and II 12 are opposite magnets with attractive magnetism, when the magnetic rings I9 and II 12 are at initial positions, the magnetic rings I9 and II 12 cannot interact, the sealing strip 8 pushes the magnetic rings I9 to move upwards to enable the magnetic rings I9 and II 12 to have magnetic effect, and therefore when next filling is conducted, the magnetic rings I9 and II 12 are attracted magnetically, the fixed air bags 10 expand, the movable air bags 13 contract, materials stacked between the material box 3 and the recycling box 5 can be released and filled into the package, and the complete filling rate of the materials is improved.
Wherein, the flexible sheet 14 is the elastic deformation material, and the surface of flexible sheet 14 at workbin 3 inboard is smooth, the initial condition of flexible sheet 14 is on a parallel with the edge of collection box 5, pile up workbin 3 and collection box 5 between the time at mist, make the outside of flexible sheet 14 promote the inside material of workbin 3 and remove the stirring, and flexible sheet 14 is recovering the in-process of deformation, continuously remove the stirring material, and simultaneously, flexible sheet 14 fills and fills the in-process between workbin 3 and collection box 5 at gas, gas rocks and promotes the shake of flexible sheet 14, strengthen the stirring effect of flexible sheet 14, improve stirring efficiency.
Wherein, when activity gasbag 13 was aerifyd and is breathed in by fixed gasbag 10, activity gasbag 13 itself can expand and contract, makes the surface of activity gasbag 13 at the in-process of inflation and shrink, has the state of shake, simultaneously, activity gasbag 13 also can last shake under the effect of mist to make the adnexed material in activity gasbag 13 surface can be shaken off, avoid the material to adhere to at the surface of activity gasbag 13, improve the completeness that the material canned.
Wherein, the stirring process of agitator 15 is intermittent type, agitator 15 is static during the filling promptly on the inner wall of workbin 3 between flexible piece 14, during the filling intermittence, agitator 15 rotates, make agitator 15 at the in-process that the filling stopped, agitator 15 can extrude one side that flexible piece 14 is close to in the workbin 3 in rotating, make and accelerate gaseous leading-out through fixed plate 6 between workbin 3 and the collection box 5, thereby improve filling efficiency, and after a flexible piece 14 is extruded, other flexible pieces 14 all can deform, thereby flexible piece 14 promotes the material and strengthens stirring effect.
A production process of a quantitative filling device for preparing o-nitrobenzoic acid comprises the following steps:
s1, before filling, reacting m-nitrobenzoic acid by-products with calcium chloride, carrying out suction filtration on liquid while raising the temperature and regulating the pH value for multiple times, taking out solids in the liquid through suction filtration, refining and drying to obtain a finished product, putting the finished product into a material box 3, enabling a packaging opening to enter the inside of a sealing strip 8, pushing the top end of the sealing strip 8 to elastically deform, pushing a magnetic ring I9, enabling the magnetic ring I9 and a magnetic ring II 12 to be magnetically attracted, extending a spring 11, enabling gas inside a movable air bag 13 to enter the inside of a fixed air bag 10, enabling the movable air bag 13 to shrink, and opening a channel between the material box 3 and a recovery box 5;
s2, during filling, the movable shaft 2 is controlled to release materials, the materials enter a package below, and in the process of material accumulation, gas of mixed materials in the package is pushed to overflow and is introduced into a channel between the material box 3 and the recovery box 5, so that clean gas between the material box 3 and the recovery box 5 is introduced out through one outer side of the top end fixing plate 6, and the flexible sheet 14 is expanded towards the inside of the material box 3;
s3, the flexible sheet 14 expands to push the materials in the material box 3 to shake, and the gas is continuously led out from the outer side of the fixed plate 6 until the internal air pressure between the material box 3 and the recovery box 5 is a standard atmospheric pressure, namely the flexible sheet 14 restores to the original shape;
s4, filling is completed, the packaging opening leaves the inside of the sealing strip 8, the top end of the sealing strip 8 restores deformation, the magnetic ring I9 is pulled to move downwards, no magnetic force exists between the magnetic ring I9 and the magnetic ring II 12, the spring 11 contracts, gas inside the fixed air bag 10 enters the inside of the movable air bag 13, the movable air bag 13 expands, the outer side wall of the movable air bag 13 is close to the inner wall of the recovery box 5 and the outer wall of the material box 3, a channel between the material box 3 and the recovery box 5 is closed, materials in the gas mixed with the materials between the material box 3 and the recovery box 5 are stacked at the bottom ends of the material box 3 and the recovery box 5 and on the outer side of the movable air bag 13, and next material filling is waited.
The use method (working principle) of the invention is as follows:
before the material filling, the packing mouth gets into the inside of sealing strip 8, and promote top middle part of sealing strip 8 to the top elastic deformation, sealing strip 8 promotes magnetic ring I9 rebound, the distance reduces between magnetic ring I9 and the magnetic ring II 12, make magnetic ring I9 and the magnetic ring II 12 magnetic attraction, spring 11 extension, the inside gas of activity gasbag 13 gets into the inside of fixed gasbag 10 through the breather pipe, fixed gasbag 10 inflation, the inner wall of collection box 5 and the outer wall of workbin 3 are kept away from to the lateral wall of activity gasbag 13, make the passageway between workbin 3 and the collection box 5 open.
When materials are filled, the movable shaft 2 is controlled by the motor to release the materials, the materials enter a package below through the inside of the material box 3, the materials reach the bottom end of the inside of the package to be stacked, in the process of material stacking, gas for pushing mixed materials in the package overflows and is introduced into a channel between the material box 3 and the recycling box 5, meanwhile, clean gas between the material box 3 and the recycling box 5 is led out through the outer side of the top end fixing plate 6, the sectional area between the outer side of the fixing plate 6 and the recycling box 5 is smaller than the area between the bottom end material box 3 and the recycling box 5, so that the gas mixed with the materials is stacked between the material box 3 and the recycling box 5, the flexible sheet 14 expands towards the inside of the material box 3, the flexible sheet 14 expands to push the materials in the material box 3 to shake, the outer side of the fixing plate 6 continuously leads the gas out until the internal gas pressure between the material box 3 and the recycling box 5 is a standard atmospheric pressure, i.e. the flexible sheet 14 resumes its original form.
When the material filling is completed, the packaging opening leaves the inside of the sealing strip 8, the top middle part of the sealing strip 8 restores deformation downwards, the sealing strip 8 pulls the magnetic ring I9 to move downwards, the distance between the magnetic ring I9 and the magnetic ring II 12 is increased, no magnetic force exists between the magnetic ring I9 and the magnetic ring II 12, the spring 11 contracts, the gas inside the fixed air bag 10 enters the inside of the movable air bag 13 through the vent pipe, the movable air bag 13 expands, the outer side wall of the movable air bag 13 is close to the inner wall of the recycling box 5 and the outer wall of the material box 3, the channel between the material box 3 and the recycling box 5 is closed, the material in the gas mixed with the material between the material box 3 and the recycling box 5 is under the action of self gravity, piled on the bottom ends of the bin 3 and the recycling bin 5 and the outer side of the movable air bag 13, waits for the next contraction of the movable air bag 13, and releases the piled materials between the bin 3 and the recycling bin 5 to the package.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quantitative filling device for preparation of o-nitrobenzoic acid, includes support (1), one side swing joint of support (1) has loose axle (2), its characterized in that: the outer side of the movable shaft (2) is provided with a material box (3), the middle part of the material box (3) is provided with fan-shaped holes at equal angles, the material box (3) is fixedly connected with a flexible sheet (14) through the fan-shaped holes, the top end and the bottom end of the outer side of the material box (3) are respectively and fixedly connected with a fixing frame (4), the outer side of the fixing frame (4) is fixedly connected with a recovery box (5), the top end of the outer side of the material box (3) is fixedly connected with a fixing plate (6), the bottom end of the recovery box (5) is provided with a groove (7), the bottom end of the inner wall of the groove (7) is fixedly connected with a sealing strip (8), the middle part of the top end of the sealing strip (8) is fixedly connected with a magnetic ring I (9) positioned inside the groove (7), the top end of the groove (7) is fixedly connected with a fixing air bag (10), and the top end and the bottom end of the fixing air bag (10) are fixedly connected with a spring (11), the bottom fixedly connected with magnetic ring II (12) of fixed gasbag (10), one side fixedly connected with breather pipe that is close to workbin (3) of fixed gasbag (10), and fixed gasbag (10) are located activity gasbag (13) between collection box (5) and workbin (3) through breather pipe fixedly connected with, the top swing joint of the outside of activity gasbag (13) and workbin (3) outside bottom mount (4), the outside swing joint of loose axle (2) has agitator (15).
2. The quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, characterized in that: the shape of fixed plate (6) is the annular, and the cross sectional area that the outside of fixed plate (6) and the inboard of collection box (5) formed is the cross sectional area who forms between workbin (3) bottom and the outside of collection box (5) half.
3. The quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, characterized in that: the shape of the groove (7) is inverted T-shaped, the horizontal part of the groove (7) is fixedly connected with the outer side of the sealing strip (8), and the inner part of the vertical part of the groove (7) is provided with a fixed air bag (10).
4. The quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, characterized in that: the shape of the sealing strip (8) is circular ring, and the cross section of the sealing strip (8) is in an inverted U shape.
5. The quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, characterized in that: the magnetic ring I (9) and the magnetic ring II (12) are opposite magnets with attractive magnetism, and when the magnetic ring I (9) and the magnetic ring II (12) are at initial positions, the magnetic ring I (9) and the magnetic ring II (12) cannot interact with each other.
6. The quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, characterized in that: the flexible sheet (14) is made of an elastically deformable material, the surface of the flexible sheet (14) on the inner side of the material box (3) is smooth, and the initial state of the flexible sheet (14) is parallel to the edge of the recovery box (5).
7. The production process of the quantitative filling device for preparing the o-nitrobenzoic acid according to claim 1, which comprises the following steps:
s1, before filling, reacting m-nitrobenzoic acid by-products with calcium chloride, carrying out suction filtration on liquid while raising the temperature and regulating the pH value for multiple times, taking out solids in the liquid through suction filtration, refining and drying to obtain a finished product, putting the finished product into a material box (3), enabling a packaging opening to enter the inside of a sealing strip (8), pushing the top end of the sealing strip (8) to deform elastically, pushing a magnetic ring I (9), enabling the magnetic ring I (9) and a magnetic ring II (12) to attract magnetically, extending a spring (11), enabling gas inside a movable air bag (13) to enter the inside of a fixed air bag (10), contracting the movable air bag (13), and opening a channel between the material box (3) and a recovery box (5);
s2, during filling, the movable shaft (2) is controlled to release materials, the materials enter a package below, in the process of material accumulation, gas of mixed materials in the package is pushed to overflow, the gas is introduced into a channel between the material box (3) and the recovery box (5), clean gas between the material box (3) and the recovery box (5) is introduced out through one outer side of the top end fixing plate (6), and the flexible sheet (14) is expanded towards the inside of the material box (3);
s3, the flexible sheet (14) expands to push the materials in the material box (3) to shake, and the gas is continuously led out from the outer side of the fixed plate (6) until the internal air pressure between the material box (3) and the recovery box (5) is standard atmospheric pressure, namely the flexible sheet (14) restores to the initial shape;
s4, completing filling, enabling a packaging opening to leave the inside of a sealing strip (8), enabling the top end of the sealing strip (8) to restore to deform, pulling a magnetic ring I (9) to move downwards, enabling no magnetic force to exist between the magnetic ring I (9) and a magnetic ring II (12), enabling a spring (11) to shrink, enabling gas inside a fixed air bag (10) to enter the inside of a movable air bag (13), enabling the movable air bag (13) to expand, enabling the outer side wall of the movable air bag (13) to be close to the inner wall of a recovery box (5) and the outer wall of a material box (3), enabling a channel between the material box (3) and the recovery box (5) to be closed, enabling materials in the gas mixed with the materials between the material box (3) and the recovery box (5) to be stacked at the bottom ends of the material box (3) and the recovery box (5) and the outer side of the movable air bag (13), and waiting for next material filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110774865.3A CN113460342A (en) | 2021-07-08 | 2021-07-08 | Quantitative filling device for preparing o-nitrobenzoic acid and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110774865.3A CN113460342A (en) | 2021-07-08 | 2021-07-08 | Quantitative filling device for preparing o-nitrobenzoic acid and production process thereof |
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| CN113460342A true CN113460342A (en) | 2021-10-01 |
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| CN202110774865.3A Pending CN113460342A (en) | 2021-07-08 | 2021-07-08 | Quantitative filling device for preparing o-nitrobenzoic acid and production process thereof |
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| CN (1) | CN113460342A (en) |
Cited By (1)
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| CN115556978A (en) * | 2022-10-10 | 2023-01-03 | 供能工业科技秦皇岛有限公司 | Quantitative packaging machine with low error rate |
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| CN1594036A (en) * | 2004-07-06 | 2005-03-16 | 邱恩博 | Valve scale feed nozzle exhaust apparatus |
| CN202783819U (en) * | 2012-09-24 | 2013-03-13 | 山东新华医疗器械股份有限公司 | Hopper with air extraction function |
| CN204355295U (en) * | 2014-11-20 | 2015-05-27 | 杭州开一化工技术有限公司 | Packed powder material feeds in raw material dust collecting fan |
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| CN211055422U (en) * | 2019-12-12 | 2020-07-21 | 连云港中成生物技术有限公司 | Bagging equipment for compound amino acid powder |
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| CN115556978A (en) * | 2022-10-10 | 2023-01-03 | 供能工业科技秦皇岛有限公司 | Quantitative packaging machine with low error rate |
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