CN120023090A - A centrifugal screening machine for hot pot base production - Google Patents
A centrifugal screening machine for hot pot base production Download PDFInfo
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- CN120023090A CN120023090A CN202510496811.3A CN202510496811A CN120023090A CN 120023090 A CN120023090 A CN 120023090A CN 202510496811 A CN202510496811 A CN 202510496811A CN 120023090 A CN120023090 A CN 120023090A
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- screening
- annular
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- cavity
- screening cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/526—Cleaning with brushes or scrapers with scrapers
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- Centrifugal Separators (AREA)
Abstract
The invention provides a centrifugal screening machine for hotpot condiment production, which belongs to the technical field of hotpot condiment production and comprises a shell, screening barrels and a driving assembly, wherein the screening barrels are rotatably arranged in the shell, the screening barrels are coaxially arranged in the screening barrels and divide the screening barrels into a plurality of screening cavities, a discharging port is arranged at the bottom end of each screening cavity, a discharging assembly is arranged in each discharging port, the driving assembly is used for driving the screening barrels to rotate, a top cover capable of vertically displacing is arranged at the top end of each screening cavity, an annular inserting plate capable of vertically displacing is arranged between adjacent top covers, a scraping plate capable of vertically displacing is arranged on each top cover, and when the scraping plate and the annular inserting plate move downwards into the screening cavity, the scraping plate is in contact with the side wall of the screening cavity where the scraping plate is located. The invention can fully screen the materials collected in each screening cavity, and simultaneously block the small-volume part of the cut materials, so as to prevent the cut materials from entering the screening cavity at the adjacent outer side to be mixed with normal materials, thereby affecting the screening sufficiency of the materials.
Description
Technical Field
The invention relates to the technical field of hotpot condiment production, in particular to a centrifugal screening machine for hotpot condiment production.
Background
In the production process of the hotpot condiment, the raw materials such as spice, flavoring and various food materials are required to be fried. Before stir-frying, the raw materials of the hotpot condiment need to be processed, particularly the spices, the sizes of different spices are different due to the fact that the variety of the spices is large, and in the preparation process of the hotpot condiment, the size requirements of the different spices are different, so that special spices, such as cinnamon, fennel, clove, angelica sinensis, star anise, myrcia and other spices with larger volumes need to be crushed, sheared and the crushed spices are not uniform in particle size, and in order to enable the crushed spices to adapt to the production requirements of different hotpot condiment, screening treatment is often needed for the crushed spices.
Most centrifugal screening machines that use at present are single-stage screening, just set up the screen cloth of one deck tube-shape promptly, so after screening, stay the material in the screen cloth and see through the material complete separation of screen cloth, ensure that the material after collecting is the material of abundant screening. For multistage centrifugal screen machines, multiple layers of coaxial cylindrical screens are provided therein to form multiple screening chambers within the multistage centrifugal screen machine. However, after screening is finished, the material originally located in a portion, close to the peripheral wall, of a certain screening cavity slides to a portion, close to the inner wall, of the screening cavity under the action of gravity, so that the material is very easy to penetrate through an adjacent inner layer screen from the inner wall, the material in the adjacent screening cavity is caused to be mixed, and the material collected by a part of the screening cavity is the incompletely screened material.
Disclosure of Invention
The invention aims to provide a centrifugal screening machine for hotpot condiment production, which can effectively avoid mixing materials in adjacent screening cavities and ensure that the materials collected in each screening cavity are fully screened materials.
The invention aims at realizing the following technical scheme:
The centrifugal screening machine comprises a hollow columnar shell with openings at the top end and the bottom end, a screening barrel rotatably arranged in the shell, screening barrels coaxially arranged in the screening barrel and dividing the screening barrel into a plurality of screening cavities, a discharge port arranged at the bottom end of each screening cavity, a discharge assembly arranged in each discharge port, two supporting seats arranged below the shell, and a driving assembly used for driving the screening barrel to rotate, wherein the two supporting seats are respectively arranged at the bottom end of each screening cavity;
A top cover is arranged at the top end of each screening cavity, an annular gap is arranged between adjacent top covers, and an annular plugboard capable of vertically displacing is movably arranged in the annular gap; the top end of each annular plugboard is provided with a first hydraulic rod, and the hydraulic cylinder of each first hydraulic rod is arranged on a U-shaped frame right above the shell;
A gap is formed in each top cover, a scraping plate capable of vertically displacing is movably arranged in each gap, and the center of the screening barrel is positioned on the vertical surface where each scraping plate is positioned;
When the scraping plate and the annular inserting plate move downwards into the screening cavity, the side wall of the screening cavity is in contact with one side surface of the scraping plate, the center of the screening cavity is positioned in the scraping plate, one side of the discharging hole is tightly attached to the side wall of the screening cavity, and the inner diameter of the discharging hole is larger than or equal to the radius of the bottom wall of the screening cavity;
In each of the other screening cavities except the innermost screening cavity, one side surface of the scraping plate is contacted with one side of the screening cavity far away from the center of the screening barrel, the other side surface of the scraping plate is contacted with the outer wall of the annular inserting plate, the discharging hole is positioned between one side of the screening cavity far away from the center of the screening barrel and the annular inserting plate, and the inner diameter of the discharging hole is equal to the distance between the scraping plate and the annular inserting plate.
Preferably, the inner wall of each annular plugboard is provided with a first annular groove, and a second annular groove communicated with the first annular groove is arranged below the first annular groove.
Preferably, the bottom walls of the other screening cavities except the innermost screening cavity are provided with a third annular groove protruding downwards, the third annular groove is positioned right below the annular insertion plate in the screening cavity, a first annular blocking plate is slidably arranged in the third annular groove, a telescopic component enabling the first annular blocking plate to move up and down is arranged between the first annular blocking plate and the bottom wall of the third annular groove, the top surface of the first annular blocking plate can be flush with the bottom surface of the screening cavity, and after the annular insertion plate is completely moved downwards into the third annular groove, the top end of the second annular groove is not higher than the inner bottom surface of the screening cavity where the second annular groove is positioned.
Preferably, the telescopic assembly comprises a plurality of springs arranged between the third annular groove and the annular blocking plate.
Preferably, when the telescopic assembly is used, the first annular blocking plate is limited by pressing down for the first time, and the first annular blocking plate is limited by pressing down for the second time.
Preferably, the height of the inner bottom surfaces of the screening cavities gradually decreases from inside to outside, an annular material guide plate is arranged in the screening cavity provided with the third annular groove and close to the center of the screening barrel, the top end of the material guide plate is the same as the height of the inner bottom surface of the adjacent inner screening cavity, and the bottom end of the material guide plate is the same as the height of the inner bottom surface of the screening cavity where the material guide plate is positioned.
Preferably, the bottom of annular picture peg is provided with annular blown down tank, can dismantle in the annular blown down tank and be provided with the annular closure plate of second.
Preferably, each scraper side wall is provided with a triangular prism-shaped cutter, and the cutter contacts with one side of the screening cavity away from the center of the screening barrel.
Preferably, the driving assembly comprises a supporting plate arranged on the two supporting seats, a motor arranged at the top end of the supporting plate, and a U-shaped plate arranged at the output end of the motor, wherein the top end of the U-shaped plate is fixedly connected with the screening barrel.
Preferably, the discharging assembly comprises a connecting ring movably arranged in the discharging hole, a plugging plate movably arranged in the connecting ring, and a flexible sleeve sleeved on the outer wall of the connecting ring, the top end of the flexible sleeve is fixedly connected with the bottom wall of the screening barrel, the bottom end of the flexible sleeve is fixedly connected with the outer wall of the connecting ring, and the diameter of an opening at the top end of the flexible sleeve is larger than that of an opening at the bottom end of the flexible sleeve;
a limiting plate for supporting the bottom end of the discharging assembly is arranged below the discharging opening, first sliding blocks are arranged on two sides of the limiting plate, and first horizontal sliding grooves in sliding fit with the first sliding blocks are arranged on two sides of the U-shaped plate;
the collecting box is detachably arranged at the top end of the U-shaped plate, a plurality of partition plates are arranged in the collecting box, the collecting box is divided into a plurality of collecting cavities by the plurality of partition plates, the number of the collecting cavities is the same as that of the discharge holes, and a round hole is formed in the top end of each collecting cavity.
Compared with the prior art, the invention has the following effects:
through all set up a top cap that contacts with casing or screening section of thick bamboo top in every screening chamber top, form annular gap between adjacent top cap, the activity sets up the annular picture peg that can carry out vertical displacement in annular gap, can carry out the shutoff to every screening chamber top through a plurality of top caps and a plurality of annular picture peg, and the material leaks along screening chamber top when avoiding screening. When screening operation is finished (so that centrifugal operation is still carried out at the moment), materials tend to be accumulated in a side area of a screening cavity far away from the center of a screening barrel under the action of centrifugal force, and materials are hardly mixed in a side area of the screening cavity near the center of the screening barrel, so that a first hydraulic rod drives an annular inserting plate to move downwards to a screening cavity right below the annular inserting plate along an annular gap (the annular gap is relatively close to the side of the screening cavity near the center of the screening barrel), centrifugation is stopped afterwards, part of materials collapse to the side area of the screening cavity near the center of the screening barrel due to the fact that the materials collapse, the materials are blocked by the annular inserting plate in the screening cavity, and therefore the materials cannot cross the annular inserting plate to enter the adjacent inner screening cavity, the materials in the adjacent screening cavities are guaranteed not to be mutually doped and mixed again after screening is finished, and the materials collected in each screening cavity are fully screened materials.
Through all setting up a breach on every top cap, the activity sets up a scraper blade that can carry out vertical displacement in the breach, all set up the discharge gate in every screening chamber bottom, set up discharge assembly in every discharge gate, can make the scraper blade move down to the screening intracavity under it after the screening is finished, after the downward movement, the scraper blade is kept away from screening barrel center's one side contact with every screening chamber, make the screening barrel rotate thereafter, and then make the material in every screening chamber carry out centrifugal rotation thereupon, in the rotation process, the material is scraped fast through the scraper blade and is fallen in the discharge gate that corresponds, again take out through discharge assembly can.
In the discharging process, besides improving the discharging efficiency, the scraping plate can rotate at a high speed through the acting force between the clamping plate and the sieving cavity, the material clamped on the side wall of the sieving cavity is broken, the large-volume part of the clamped material directly falls into the sieving cavity, the small-volume part (the particle size of the small-volume part is uncertain, the small-volume part can be just matched with the particle size of the material in the sieving cavity at the adjacent outer side, and the small-volume part can also be matched with the particle size of the material in the sieving cavity at the more outer side, but in the practical implementation, the material clamped on the sieving cylinder is not only two, when the quantity is more, the particle size of the small-volume part is hardly matched with the material in the sieving cavity at the adjacent outer side, so that the small-volume part cannot be mixed with the material in the sieving cavity at the adjacent outer side, the centrifugal force is easy to fall into the sieving cavity at the adjacent outer side, the small-volume part is arranged in the sieving cavity because of being provided with an annular plugboard, the falling small-volume part can be separated from the material discharged from the sieving cavity at the adjacent outer side, the material in the adjacent outer side is prevented from being mixed with the adjacent outer side in the small-volume part, and the material is fully mixed with the other material in the sieving cavity due to the fact, and the material is discharged from the normal material is prevented.
Drawings
Fig. 1 is a schematic sectional structure view in the front view of embodiment 1;
FIG. 2 is a schematic cross-sectional view of the annular insert plate and scraper of FIG. 1 in front view after insertion into a screening chamber;
FIG. 3 is a schematic top view of the top cover of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the screen drum of FIG. 2 in a top view;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 6 is a schematic cross-sectional view of the discharge assembly of FIG. 1 in front view after being completely withdrawn from the discharge port;
FIG. 7 is a schematic top view of the collection box of FIG. 1;
FIG. 8 is a schematic cross-sectional view of the annular insert plate in front view after the first annular groove and the second annular groove are provided;
FIG. 9 is a schematic cross-sectional view of the third annular groove of FIG. 8 in a rear elevational view;
FIG. 10 is a schematic cross-sectional view of the rear elevation view of the guide plate of FIG. 9;
FIG. 11 is an enlarged schematic view of the structure of B in FIG. 10;
FIG. 12 is a schematic diagram of a second annular closure plate in elevation;
In the figure, a 1-shell, a 2-screening barrel, a 40-screening cavity, a 3-screening barrel, a 4-discharge hole, a 5-supporting seat, a 6-top cover, a 7-annular inserting plate, an 8-first hydraulic rod, a 9-U-shaped frame, a 10-second hydraulic rod, a 11-notch, a 12-scraping plate, a 13-third hydraulic rod, a 14-first annular groove, a 15-second annular groove, a 16-third annular groove, a 17-annular blocking plate, a 18-spring, a 19-material guiding plate, a 20-cutter, a 21-supporting plate, a 22-motor, a 23-U-shaped plate, a 24-connecting ring, a 25-blocking plate, a 26-flexible sleeve, a 27-limiting plate, a 28-first sliding block, a 29-first horizontal sliding groove, a 30-collecting box, a 31-partition plate and a 32-second annular blocking plate are shown.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to fig. 1 to 11, but the scope of protection of the present invention is not limited to the following description.
Example 1
A centrifugal screening machine for hot pot seasoning production is shown in fig. 1-4, including the hollow columnar casing 1 that top and bottom all open-ended, rotate and set up in casing 1 and be columnar screening bucket 2 (screening bucket 2 with be provided with bearing or similar bearing function's rotation coupling assembling between the casing 1 to with screening bucket 2 spacing extremely in the casing 1, ensure simultaneously that screening bucket 2 smoothly rotates in casing 1, rotation coupling assembling all selects prior art, and not drawing in detail in the figure), coaxial setting is in screening bucket 2 just divide into screening bucket 3 of a plurality of screening chamber 40 with screening bucket 2, set up in every screening chamber 40 bottom discharge gate 4 (as shown in fig. 1, fig. 2 and fig. 4, in this embodiment, set up one discharge gate 4 in the innermost screening chamber 40, all the other all set up two) set up in every the inside discharge subassembly of discharge gate 4 (not drawing in fig. 1-2), set up two supporting seats 5 of casing 1 below, and be used for driving screening bucket 2 to rotate the drive assembly. Wherein, the side wall and the bottom wall of the screening barrel 2 are not provided with screen holes, and a plurality of layers of screening barrels 3 are arranged
The mesh opening diameters from the inner layer to the outer layer gradually decrease.
As shown in fig. 1-3, a top cover 6 is arranged at the top end of each screening cavity 40, an annular gap is arranged between adjacent top covers 6, an annular inserting plate 7 capable of vertically displacing is movably arranged in the annular gap, a first hydraulic rod 8 is arranged at the top end of each annular inserting plate 7, a hydraulic cylinder of each first hydraulic rod 8 is arranged on a U-shaped frame 9 right above the shell 1, the top wall of each top cover 6 is connected with the top wall of the U-shaped frame 9 through a second hydraulic rod 10, sliding connection is arranged between the top wall of the screening barrel 2 and the top cover 6 above the top wall, namely, the top cover 6 is kept stationary during screening, and the screening barrel 2 rotate at the bottom end.
As shown in fig. 1-3, each top cover 6 is provided with a notch 11, a scraper 12 capable of vertical displacement is movably arranged in each notch 11, and the center of the screening barrel 2 is positioned on a vertical surface where each scraper 12 is positioned;
specifically, as shown in fig. 4, after the scraper 12 and the annular plugboard 7 move down into the sieving cavity 40, the innermost sieving cavity 40 is in contact with one side surface of the scraper 12, the center of the sieving cavity 40 is located in the scraper 12, one side of the discharge port 4 is tightly attached to the side surface of the sieving cavity 40, and the inner diameter of the discharge port 4 is larger than or equal to the radius of the bottom wall of the sieving cavity 40. In each of the other screening cavities 40 except the innermost screening cavity 40, one side surface of the scraping plate 12 is contacted with one side of the screening cavity 40 far away from the center of the screening barrel 2, the other side surface is contacted with the outer wall of the annular inserting plate 7, the discharging hole 4 is positioned between one side of the screening cavity 40 far away from the center of the screening barrel 2 and the annular inserting plate 7, and the inner diameter of the discharging hole 4 is equal to the distance between the scraping plate 12 and the annular inserting plate 7.
Further, as shown in fig. 1 and 2, the driving assembly includes a supporting plate 21 disposed on the two supporting seats 5, a motor 22 disposed at the top end of the supporting plate 21, and a U-shaped plate 23 disposed at the output end of the motor 22, where the top end of the U-shaped plate 23 is fixedly connected with the screening barrel 2.
Further, as shown in fig. 1, fig. 2 and fig. 6, the discharging assembly includes a connecting ring 24 movably disposed in the discharging hole 4, a plugging plate 25 movably disposed in the connecting ring 24, and a flexible sleeve 26 (generally made of a material with smaller elasticity or little elasticity, such as silk materials) sleeved on the outer wall of the connecting ring 24, wherein the top end of the flexible sleeve 26 is fixedly connected with the bottom wall of the screening barrel 2, the bottom end of the flexible sleeve 26 is fixedly connected with the outer wall of the connecting ring 24, the diameter of the opening at the top end of the flexible sleeve 26 is larger than that of the bottom end, and the structure of the vertically-unfolded discharging assembly is shown in fig. 6. When the plugging plate 25 and the connecting ring 24 are positioned at the discharge port 4, the top surfaces of the plugging plate and the connecting ring are flush with the top surface of the screening cavity 40 where the plugging plate and the connecting ring are positioned.
As shown in fig. 1-2, a limiting plate 27 for supporting the bottom end of the discharging assembly is arranged below the discharging opening 4, as shown in fig. 5, first sliding blocks 28 are arranged on two sides of the limiting plate 27, and first horizontal sliding grooves 29 in sliding fit with the first sliding blocks 28 are arranged on two sides of the U-shaped plate 23;
As shown in fig. 1, 2 and 7, the top end of the U-shaped plate 23 is detachably provided with a collecting box 30, a plurality of partition plates 31 are arranged in the collecting box 30, the collecting box 30 is divided into a plurality of collecting cavities by the plurality of partition plates 31, the number of the collecting cavities is the same as that of the discharge holes 4, and a circular hole is formed in the top end of each collecting cavity.
In practical implementation, in order to complete daily maintenance and other operations on the screening barrel 2 and the screening barrel, the annular insertion plate 7 needs to be located as far as possible in the vertical direction or as far as possible in the horizontal direction (so as to avoid blocking the maintenance personnel), for example, the U-shaped frame 9 can be arranged to be higher (i.e. the U-shaped frame 9 is arranged to be higher on the basis of fig. 1), at this time, two legs of the U-shaped frame 9 are connected with the two supporting seats 5, and a structure (the mode is selected in this embodiment) as shown in fig. 1-3 can also be arranged, namely, a second sliding block is arranged at the bottom end of the U-shaped frame 9, and second horizontal sliding grooves which are in sliding fit with the second sliding blocks are respectively arranged at two sides of the two supporting seats 5, so that the U-shaped frame 9 can move along the direction of the second horizontal sliding grooves when the annular insertion plate 7 needs to be removed, thereby achieving the purpose of keeping away from the screening barrel 2. When the screening barrel is used, the U-shaped frame 9 is directly pushed to move towards the direction of the shell 1, and when the U-shaped frame 9 moves to the end part of the second horizontal sliding groove, the U-shaped frame 9 is positioned right above the screening barrel 2, and then the second horizontal sliding block is limited into the second horizontal sliding groove through a limiting component in the prior art such as a bolt.
The working principle is that the material to be screened is placed in the innermost screening cavity 40, then the first hydraulic rod 8 is started to enable the top covers 6 to move downwards, the top covers 6 are connected with the side walls of the scraping plates 12 in a sliding mode in the downward moving process, as shown in figure 1, when the first hydraulic rod 8 is fully extended, the bottom surface of the top cover 6 is just contacted with the top end of the screening barrel 2 or the screening barrel 3, and at the moment, the annular inserting plate 7 is just in an annular gap formed by the adjacent top covers 6. In practical implementation, the bottom ends of the scraping plates 12 and the annular inserting plates 7 in fig. 1 are located between the top surface of the screening barrel 2 and the top surface of the top cover 6, so that the top ends of the screening cavities 40 can be plugged through the synergistic effect of the top cover 6, the scraping plates 12 and the annular inserting plates 7, and the situation that materials leak or spread out along the top ends of the screening cavities 40 during subsequent screening is avoided. Then, the motor 22 is turned on, and under the action of the motor 22, the U-shaped plate 23 drives the screening barrel 2 and components on the U-shaped plate 23 to rotate, so that the materials in the screening barrel 2 can be screened in multiple stages.
And when the sieving is finished, the second hydraulic rod 10 is started, the annular inserting plate 7 moves downwards along the annular gap, the annular inserting plate 7 is connected with the top cover 6 on the inner side and the outer side of the annular inserting plate in a sliding manner in the moving-down process, and when the annular inserting plate moves to the bottom end of the sieving cavity 40 right below the annular inserting plate, the motor 22 is turned off.
Thereafter, the third hydraulic lever 13 is activated, causing the scraper 12 to slide down along the gap 11 into the screening chamber 40 immediately therebelow. Thereafter, the bolts for fixing the limiting plates 27 are inserted, and the limiting plates 27 are pulled to slide out along the first horizontal sliding grooves 29, after the limiting plates 27 slide out, the connecting rings 24 are pulled downwards, the plugging plates 25 and the connecting rings 24 slide out of the discharge ports 4 together, thereafter, the plugging plates 25 (sliding connection between the plugging plates 25 and the connecting rings 24) in each connecting ring 24 are removed, and the connecting rings 24 are connected with the circular holes right below the connecting rings by threads (the threads matched with the inner walls of the circular holes are arranged on the outer walls of the lower parts of the plugging plates 25 in the embodiment, and the threads are not shown in the drawing). And then, the motor 22 is started, the screening barrel 2 and the screening barrel 3 synchronously rotate under the action of the motor 22, at the moment, the scraping plate 12, the annular inserting plate 7 and the top cover 6 are kept different, one side of the scraping plate 12 away from the center of the screening barrel 2 is contacted with one side of the screening cavity 40 close to the center of the screening barrel 2, the bottom wall of the scraping plate 12 is contacted with the bottom wall of the screening cavity 40, and materials in the screening cavity 40 can be scraped into the discharge hole 4 in the screening cavity 40 rapidly. Because the scraper blade 12 has high-speed friction with the inside wall of the screening cavity 40, the material clamped on the side wall of the screening cavity 40 can be blocked, and in order to improve the material cutting efficiency, as shown in fig. 4, each scraper blade 12 side wall is provided with a triangular prism-shaped cutter 20, and the cutter 20 contacts with one side of the screening cavity 40 away from the center of the screening barrel 2. By providing the cutter 20, the cutting efficiency of the material stuck to the side wall of the screening chamber 40 can be further improved.
Wherein, because scraper 12 rubs against the inner wall of screening cavity 40 during actual implementation, there is a high probability of scratching the side wall of screening cavity 40, affecting the service performance and life of screening cavity 40. In practice, it is preferable to avoid selecting a metal material or the like for the scraper 12, and it is possible to select a ox horn, a wood material (such as oak, walnut, and catalpa wood, which have a high hardness), a hard plastic, and a ox bone, which are hard (capable of cutting or cutting off the perfume) and effectively prevent the side wall of the screening chamber 40 from being scratched. Similarly, the top cover 6, the cutter 20, and the annular insert plate 7 may be made of the same material as the scraper 12.
After the material clamped on the side wall of the screening cavity 40 is cut off or blocked, the large-volume part of the blocked material directly falls into the screening cavity 40, while the small-volume part easily falls into the screening cavity 40 on the adjacent outer side under the action of centrifugal force, and falls into the inner side of the annular plugboard 7 after being blocked by the annular plugboard 7 in the screening cavity 40 on the adjacent outer side.
After the materials in each sieving chamber 40 are collected, the motor 22 is turned off, the limit between the connecting ring 24 and the circular hole is released, and then the limit (such as a bolt connection mode) between the collecting box 30 and the U-shaped plate 23 is carried out from the U-shaped plate 23.
Thereafter, the discharge connection assembly is compressed to a home position (in which the flexible sleeve is located almost outside the discharge opening 4) for the next batch of material screening operation.
The material in the adjacent screening cavities 40 can be separated to the greatest extent in the whole process of centrifugal screening and centrifugal discharging, so that the collected material in each screening cavity 40 is ensured to be fully screened. Simultaneously can block the small volume portion of material after cutting, avoid its normal material mixing that gets into screening chamber 40 in the adjacent outside and this screening chamber 40, lead to the normal material in this screening chamber 40 to mix the material of other particle diameters, and then lead to the material of collecting to screening insufficient material.
Example 2
On the basis of embodiment 1, the small-volume portion entering the adjacent outer screening chamber 40 in embodiment 1 remains inside the annular insert plate 7 in the adjacent outer screening chamber 40 and is not taken out of the screening barrel 2, and on the basis of this, as shown in fig. 8, a first annular groove 14 is formed in the inner wall of each annular insert plate 7, and a second annular groove 15 communicating with the first annular groove 14 is provided below the first annular groove 14. Further, an annular discharge chute is disposed at the bottom end of the annular plug board 7, and a second annular blocking plate 32 (as shown in fig. 12, the insertion portion of the second annular blocking plate 32 may be made of rubber or silica gel, so that it is in interference fit with the annular discharge chute) is detachably disposed in the annular discharge chute (not shown in fig.).
In this embodiment, by providing the first annular groove 14 and the second annular groove 15, the small-volume portion can be transferred to the annular insert plate 7 by passing through the sidewall of the sieving chamber 40 through the centrifugal force and then entering the second annular groove 15 along the first annular groove 14, and then the annular insert plate 7 is moved out of the sieving barrel 2, and then the second annular blocking plate 32 is opened to take out the small-volume portion.
Example 3
In embodiment 2, the top end of the second annular groove 15 is at a certain distance from the bottom surface of the sieving barrel 2, after a part of the small-volume part impacts the first annular groove 14 under the action of centrifugal force, the small-volume part may drop out of the second annular groove 15 after being rebounded, and at the same time, a part of the small-volume part directly impacts the second annular groove 15 under the action of centrifugal force and also drops out of the second annular groove 15, so that the collection of the small-volume part material is incomplete.
Based on the above, as shown in fig. 9, except the innermost sieving chamber 40, the bottom walls of the rest sieving chambers 40 are provided with a third annular groove 16 protruding downwards, the third annular groove 16 is located right below the annular insert plate 7 in the sieving chamber 40, a first annular blocking plate 17 is slidably arranged in the third annular groove 16, a telescopic component for enabling the first annular blocking plate 17 to move up and down is arranged between the first annular blocking plate 17 and the bottom wall of the third annular groove 16, the top surface of the first annular blocking plate 17 can be flush with the bottom surface of the sieving chamber 40, and after the annular insert plate 7 is completely moved down into the third annular groove 16, the top end of the second annular groove 15 is not higher than the inner bottom surface of the sieving chamber 40 where the second annular groove 15 is located.
Wherein, as shown in fig. 9, the telescopic assembly comprises a plurality of springs 18 arranged between the third annular groove 16 and the first annular closure plate 17.
When screening operation, the annular plugboard 7 is not inserted into the screening cavity 40, the springs 18 are in a free telescopic state, the top surface of the first annular plugboard 17 is flush with the inner bottom surface of the screening cavity 40 where the first annular plugboard 17 is located, when the annular plugboard 7 is inserted, the annular plugboard 7 presses the first annular plugboard 17, and all the springs 18 synchronously shrink in the pressing process, so that the first annular plugboard 17 slides down in the third annular groove 16 until the top end of the second annular groove 15 slides down to be not higher than the inner bottom surface of the screening cavity 40 where the second annular groove 15 is located, as shown in fig. 9. When centrifugal discharging is carried out, the small-volume part entering the annular plugboard 7 can fall into the second annular groove 15 to the greatest extent under the action of centrifugal force, so that the collection yield is improved.
It should be noted that, when the third annular groove 16 is disposed, the distance between the limiting plate 27 and the bottom surface of the screening barrel 2 is increased, if the limiting plate 27 is required to continuously limit the discharging component, the lower portions of the connecting ring 24 and the plugging plate 25 are disposed longer, so that the bottom of the connecting ring can contact the limiting plate 27.
However, in this embodiment, the spring 18 is in a compressed state, and has a large elastic force on the first annular blocking plate 17, so that when the annular blocking plate 17 rotates during centrifugal discharging, the friction force between the first annular blocking plate 17 and the annular inserting plate 7 is extremely large, and the usability of the first annular blocking plate and the annular inserting plate is seriously affected.
Based on this, can replace telescopic subassembly with the telescopic subassembly of push type of prior art, this telescopic subassembly of push type is when using, presses down for the first time and carries out spacingly to first annular closure plate 17, presses down for the second time and releases spacingly to first annular closure plate 17, presses first annular closure plate 17 for the first time promptly, can make first annular closure plate 17 move down and carry out spacingly, presses first annular closure plate 17 for the second time, can make first annular closure plate 17 release spacingly and move up to the normal position. The pressing structure of the ball pen can be specifically referred to, and the pressing telescopic assembly in the CN202011324646.7 patent (the telescopic assembly is the prior art, and the technical defect is not needed to be overcome when the invention is used, therefore, the structure and principle of the invention are not repeated), in the specific implementation, the pressing telescopic assembly is installed in the third annular groove 16, the panel is equivalent to the first annular blocking plate 17 of the invention, and the movable base is installed on the inner bottom surface of the third annular groove 16.
Therefore, when centrifugal discharging is carried out, the first annular plugging plate 17 is pressed down to a certain height for limiting, then the annular plugging plate 7 is moved upwards for a certain distance, a certain gap is kept between the annular plugging plate 7 and the first annular plugging plate 17 (at the moment, the top end of the second annular groove 15 still needs to be ensured not to be higher than the inner bottom surface of the screening cavity 40 where the second annular groove 15 is located), friction can not occur between the first annular plugging plate 17 and the annular plugging plate 7 when the first annular plugging plate 17 rotates, and the service life of the annular plugging plate 7 is effectively prolonged.
Example 4
As shown in fig. 9, in order to reduce friction between the annular insert plate 7 and the inner wall of the third annular groove 16, a certain gap needs to be formed between the inner side of the annular insert plate 7 and the inner wall of the third annular groove 16 in practical implementation, and the outer side of the annular insert plate 7 needs to be contacted with one side of the third annular groove 16 away from the center of the screening barrel 2, so that a gap between the annular insert plate 7 and the third annular groove 16 can be effectively avoided, and normal materials are easy to drop into the gap in the discharging process due to the gap.
On the basis of embodiment 3, as shown in fig. 10 and 11, the height of the inner bottom surface of the plurality of screening cavities 40 gradually decreases from inside to outside, and in the screening cavity 40 provided with the third annular groove 16, one side of the screening cavity 40 near the center of the screening barrel 2 is provided with an annular material guiding plate 19, the top end of the material guiding plate 19 is the same as the height of the inner bottom surface of the adjacent inner screening cavity 40, and the bottom end of the material guiding plate 19 is the same as the height of the inner bottom surface of the screening cavity 40 where the material guiding plate 19 is located.
In this embodiment, the material guiding plate 19 can shield the gap between the inner side of the annular insertion plate 7 and the inner wall of the third annular groove 16, so that the acting force of the small-volume part entering the annular insertion plate 7 on the material guiding plate 19 and the centrifugal force can completely enter the second annular groove 15, and the collection sufficiency of the small-volume part is further improved.
In addition, when the material guiding plate 19 is arranged, the height of the inner bottom surfaces of the different screening cavities 40 is also required to be adjusted adaptively, so that the arrangement of the material guiding plate 19 can not influence the normal passing of materials through the screening cylinder 3. If only the guide plate 19 is provided and the height of the inner bottom surface of the screening cavity 40 is not adjusted, the guide plate 19 has a certain height, so that the material in the height is blocked by the guide plate 19 in the adjacent inner screening cavity 40 during screening, and the screening is difficult to perform, and the screening efficiency is reduced.
Claims (10)
1. The centrifugal screening machine for hotpot condiment production is characterized by comprising a hollow cylindrical shell (1) with openings at the top end and the bottom end, a screening barrel (2) rotatably arranged in the shell (1), a screening barrel (3) coaxially arranged in the screening barrel (2) and dividing the screening barrel (2) into a plurality of screening cavities (40), a discharge port (4) arranged at the bottom end of each screening cavity (40), a discharge assembly arranged in each discharge port (4), two supporting seats (5) arranged below the shell (1) and a driving assembly used for driving the screening barrel (2) to rotate;
The top end of each screening cavity (40) is provided with a top cover (6), an annular gap is arranged between every two adjacent top covers (6), an annular inserting plate (7) capable of vertically displacing is movably arranged in the annular gap, the top end of each annular inserting plate (7) is provided with a first hydraulic rod (8), and a hydraulic cylinder of each first hydraulic rod (8) is arranged on a U-shaped frame (9) right above the shell (1), and the top wall of each top cover (6) is connected with the top wall of the U-shaped frame (9) through a second hydraulic rod (10);
A gap (11) is formed in each top cover (6), a scraping plate (12) capable of vertically displacing is movably arranged in each gap (11), and the center of the screening barrel (2) is positioned on the vertical surface where each scraping plate (12) is positioned;
After the scraping plate (12) and the annular inserting plate (7) move downwards into the screening cavity (40), the innermost screening cavity (40) is internally provided with a side wall of the screening cavity (40) in contact with one side surface of the scraping plate (12), the center of the screening cavity (40) is positioned in the scraping plate (12), one side of the discharging hole (4) is tightly attached to the side wall of the screening cavity (40), and the inner diameter of the discharging hole (4) is larger than or equal to the radius of the bottom wall of the screening cavity (40);
In each screening cavity (40) except the innermost screening cavity (40), one side surface of the scraping plate (12) is contacted with one side of the screening cavity (40) far away from the center of the screening barrel (2), the other side surface of the scraping plate is contacted with the outer wall of the annular inserting plate (7), the discharging hole (4) is positioned between one side of the screening cavity (40) far away from the center of the screening barrel (2) and the annular inserting plate (7), and the inner diameter of the discharging hole (4) is equal to the distance between the scraping plate (12) and the annular inserting plate (7).
2. Centrifugal screening machine for hotpot condiment production according to claim 1, characterized in that the inner wall of each annular plugboard (7) is provided with a first annular groove (14), and a second annular groove (15) communicated with the first annular groove (14) is arranged below the first annular groove (14).
3. Centrifugal screening machine for hotpot condiment production according to claim 2, characterized in that the bottom walls of the rest screening cavities (40) are provided with a third annular groove (16) protruding downwards except for the innermost screening cavity (40), the third annular groove (16) is located right below an annular insertion plate (7) in the screening cavity (40), a first annular blocking plate (17) is arranged in the third annular groove (16) in a sliding mode, a telescopic component enabling the first annular blocking plate (17) to move up and down is arranged between the first annular blocking plate (17) and the bottom wall of the third annular groove (16), the top face of the first annular blocking plate (17) can be flush with the bottom face of the screening cavity (40), and after the annular insertion plate (7) is completely moved down into the third annular groove (16), the top end of the second annular insertion plate (15) is not higher than the inner bottom face of the screening cavity (40) where the second annular insertion plate (15) is located.
4. A centrifugal screen for hotpot condiment production according to claim 3, wherein the telescopic assembly comprises a plurality of springs (18) arranged between the third annular groove (16) and the annular closure plate (17).
5. The centrifugal screen grader for hotpot condiment production according to claim 4, wherein the telescopic assembly is used for limiting the first annular blocking plate (17) by pressing down for the first time and releasing the first annular blocking plate (17) by pressing down for the second time.
6. The centrifugal screening machine for hotpot seasoning production according to claim 4 or 5, wherein the heights of the inner bottom surfaces of the screening cavities (40) gradually decrease from inside to outside, an annular material guide plate (19) is arranged on one side, close to the center of the screening barrel (2), of the screening cavity (40), the top end of the material guide plate (19) is the same as the height of the inner bottom surface of the adjacent inner screening cavity (40), and the bottom end of the material guide plate (19) is the same as the height of the inner bottom surface of the screening cavity (40) where the material guide plate (19) is located.
7. The centrifugal screening machine for hotpot seasoning production according to claim 6, wherein an annular discharge chute is arranged at the bottom end of the annular plugboard (7), and a second annular blocking plate is detachably arranged in the annular discharge chute.
8. Centrifugal screening machine for hotpot condiment production according to claim 1, characterized in that each scraper (12) side wall is provided with a triangular prism-shaped cutter (20), and the cutters (20) are in contact with the side of the screening cavity (40) away from the center of the screening barrel (2).
9. Centrifugal screen grader for hotpot condiment production according to claim 1, wherein the driving assembly comprises a supporting plate (21) arranged on two supporting seats (5), a motor (22) arranged at the top end of the supporting plate (21), and a U-shaped plate (23) arranged at the output end of the motor (22), wherein the top end of the U-shaped plate (23) is fixedly connected with the screening barrel (2).
10. The centrifugal screening machine for hotpot condiment production according to claim 9, wherein the discharging assembly comprises a connecting ring (24) movably arranged in the discharging hole (4), a plugging plate (25) movably arranged in the connecting ring (24), and a flexible sleeve (26) sleeved on the outer wall of the connecting ring (24), the top end of the flexible sleeve (26) is fixedly connected with the bottom wall of the screening barrel (2), the bottom end of the flexible sleeve (26) is fixedly connected with the outer wall of the connecting ring (24), and the opening diameter of the top end of the flexible sleeve (26) is larger than that of the bottom end;
A limiting plate (27) for supporting the bottom end of the discharging assembly is arranged below the discharging opening (4), first sliding blocks (28) are arranged on two sides of the limiting plate (27), and first horizontal sliding grooves (29) which are in sliding fit with the first sliding blocks (28) are arranged on two sides of the U-shaped plate (23);
The collecting box (30) is detachably arranged at the top end of the U-shaped plate (23), a plurality of partition plates (31) are arranged in the collecting box (30), the collecting box (30) is divided into a plurality of collecting cavities by the plurality of partition plates (31), the number of the collecting cavities is the same as that of the discharge holes (4), and a round hole is formed in the top end of each collecting cavity.
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| CN202510496811.3A CN120023090B (en) | 2025-04-21 | 2025-04-21 | Centrifugal screening machine for hotpot condiment production |
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Cited By (1)
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| CN120325524A (en) * | 2025-06-18 | 2025-07-18 | 四川远方云天食品科技有限公司 | A centrifugal screening device for processing hot pot base ingredients |
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