CN109590204B - Roller type classifier with adjustable fruit size screening function and implementation method - Google Patents
Roller type classifier with adjustable fruit size screening function and implementation method Download PDFInfo
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- CN109590204B CN109590204B CN201811490855.1A CN201811490855A CN109590204B CN 109590204 B CN109590204 B CN 109590204B CN 201811490855 A CN201811490855 A CN 201811490855A CN 109590204 B CN109590204 B CN 109590204B
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- fruit
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- steel wire
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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
- B07B1/24—Revolving drums with fixed or moving interior agitators
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N15/00—Machines or apparatus for other treatment of fruits or vegetables for human purposes; Machines or apparatus for topping or skinning flower bulbs
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N15/00—Machines or apparatus for other treatment of fruits or vegetables for human purposes; Machines or apparatus for topping or skinning flower bulbs
- A23N2015/008—Sorting of fruit and vegetables
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a roller type grader with adjustable fruit size screening, which comprises a rack, a fruit feeding device, a roller, an adjusting mechanism, a supporting mechanism, a driving mechanism, a fruit outlet I and a fruit outlet II. The fruit feeding device is fixed on the frame; the drum comprises a right-end annular retainer ring, a cylinder and a screening cylinder, the right-end annular retainer ring is connected with the right end of the cylinder through a screw, and the screening cylinder comprises a round rod, a left-end annular retainer ring and a helical blade; the adjusting mechanism comprises a rotating cover, a steel wire rope, an extension spring and a set screw, the rotating cover is arranged on the cylinder through a thread pair, one end of the steel wire rope is fixed with the left end annular retainer ring, the other end of the steel wire rope is connected with the extension spring, the other end of the extension spring is fixed on the right end annular retainer ring, and the set screw is arranged on the rotating cover; according to the fruit grading machine, the spiral winding shape of the steel wire rope is changed by adjusting the relative angle between the rotary cover and the screening cylinder, so that the size of the screening grids is changed to realize grading of fruits with different sizes, and the fruit grading machine is simple in structure and high in working efficiency.
Description
Technical Field
The invention belongs to the technical field of fruit grading, and particularly relates to a drum-type grader with adjustable fruit size screening and an implementation method.
Background
As is well known, China has become a world-wide fruit production country, in recent years, with the improvement of people's living standard, fruit consumption structure changes, people have higher and higher requirements on fruit quality, on one hand, most fruit growers sort fruits after picking the fruits mostly manually, and the sorting mode has extremely low efficiency and wastes manpower. This requires that the fruit classifier has high screening efficiency and high quality.
On the other hand, fruits such as apples and jujubes picked and collected by fruit growers are different in size and shape, and the size and shape of the fruits produced in the same fruit tree are different due to different moisture, illumination, regions and the like. Before fruits are sold or processed, classification treatment is carried out by adopting the standard of size and shape, so that the fruits with different grades are conveniently sold and labeled or processed into different foods, although the existing fruit screening device can effectively solve the problem of screening the fruits, the production efficiency is improved, and the labor cost is saved, the classification range of most of the fruit classifiers is fixed and cannot be adjusted, for example, a combined fruit screening device (No. CN 207787074U) in the granted patent has a single screening effect and cannot be adjusted, and the application range in actual production activities is narrow. Therefore, mechanization of fruit with adjustable grading size is imperative.
Disclosure of Invention
In order to solve the practical problems, the invention provides a roller type classifier with adjustable fruit size screening and an implementation method.
The technical scheme adopted by the invention is as follows: a roller type grader with adjustable fruit size screening; comprises a frame, a fruit inlet device, a roller, an adjusting mechanism, a supporting mechanism, a driving mechanism, a fruit outlet I and a fruit outlet II; the fruit feeding device comprises a fruit feeding pipe, a fruit feeding basket and a supporting rod, wherein the fruit feeding pipe is connected with the fruit feeding basket and is fixed on the rack through the supporting rod; the drum comprises a right-end annular retaining ring, a cylinder and a screening cylinder, the right-end annular baffle is connected with the right end of the cylinder through a screw, the screening cylinder comprises a round rod, a left-end annular retaining ring and helical blades, the round rod is used for connecting the left-end annular retaining ring with the left end of the cylinder and is uniformly distributed in the circumferential direction, and the helical blades are welded with the inner side of the round rod; the adjusting mechanism comprises a rotating cover, a steel wire rope, an extension spring and a set screw, the rotating cover is installed on the cylinder through a thread pair, one end of the steel wire rope is fixed with the left end annular retainer ring, the other end of the steel wire rope is connected with the extension spring, the other end of the extension spring is fixed on the right end annular retainer ring, the set screw is installed on the rotating cover, a plurality of circular holes I which are uniformly distributed in the circumferential direction are formed in the position, close to the wall of the upper inner cover, of the right end of the rotating cover, the diameter of each circular hole I is 1.5 times that of the steel wire rope, and the number of the circular holes I is consistent with; the supporting mechanism comprises a friction wheel and a supporting seat, the friction wheel is connected with the supporting seat through a revolute pair and used for supporting the weight of the roller, the driving mechanism comprises a speed reducing motor, a transmission shaft, a coupler, a friction wheel I and a friction wheel II, the speed reducing motor is connected with the transmission shaft through the coupler, the transmission shaft is horizontally supported by the supporting seat, and the friction wheel I and the friction wheel II are driven through the speed reducing motor to drive the roller to do circular motion; the fruit outlet I is fixedly arranged below the rack, and the fruit outlet II is fixedly arranged on the rack at the left end of the screening cylinder;
the drum-type grader with the adjustable fruit size screening function is characterized in that two symmetrical threaded holes are formed in the right end face of the rotary cover, the set screws are screwed in the threaded holes, and the left end face of the rotary cover is in contact with the right end face of the left side of the cylinder;
the roller type grader with the adjustable fruit size screening function is characterized in that a circular hole II is formed in the cylindrical surface of the rotary cover, and the relative angle between the rotary cover and the screening cylinder is adjusted by inserting an adjusting rod into the circular hole II, so that the spiral winding shape of the steel wire rope is changed, and further, the size of a screening grid is changed;
the roller type grader with the adjustable fruit size screening function is characterized in that 50-70mm of threads are arranged on the outer cylinder wall at the left end of the cylinder;
the roller type grader with the adjustable fruit size screening function is characterized in that a certain gap is formed between the left end of the cylinder and the annular baffle, and the width of the gap is 2 times of the diameter of the steel wire rope;
the roller type grader with the adjustable fruit size screening function is characterized in that the spiral blades are continuous and 3-5 times as high as fruits, and the surfaces of the spiral blades are coated with a layer of buffer, so that damage to the fruits is reduced;
the drum-type grader with the adjustable fruit size screening function is characterized in that the steel wire rope is spirally wound on the round rod, a formed outer cylindrical surface and the round rod form a screening grid, and the surface of the steel wire rope is wrapped with a layer of buffer, so that damage to fruits is reduced;
the roller type grader with the adjustable fruit size screening function is characterized in that the inner diameter of the inscribed circle of the screening grid is adjustable within the range of 0-75 mm;
drawings
FIG. 1 is a perspective view of a three-dimensional structure of a roller classifier according to the present invention
FIG. 2 is a right side view of a three-dimensional structure of a roller classifier provided by the present invention
FIG. 3 is a front view of a roller-adjustment mechanism provided by the present invention
FIG. 4 is a front view of a sizing drum-cylinder provided by the present invention
FIG. 5 is a side view of a rotating cap according to the present invention
FIG. 6 is a semi-sectional view of a spin cover provided in accordance with the present invention
FIG. 7 is a side view of the steel cord winding shaft according to the present invention
In the figure: 1-rack, 21-fruit inlet pipe, 22-fruit inlet basket, 23-support rod, 3-roller, 31-sieving barrel, 32-cylinder, 33-right end annular retainer, 311-round rod, 312-left end annular retainer, 313-helical blade, 41-rotating cover, 42-steel wire rope, 43-tension spring, 44-set screw, 51-support seat, 61-speed reducing motor, 62-transmission shaft, 63-coupling, 64-friction wheel I, 65-friction wheel II, 7-fruit outlet I, 8-fruit outlet II.
Detailed description of the invention
With the attached drawings, the drum-type grader with the adjustable fruit size screening can realize the adjustable three-level screening function on fruits, and the implementation method of the drum-type grader with the adjustable fruit size screening provided by the invention specifically comprises the following steps:
(1) the adjusting rod is inserted into the circular hole II in the rotating cover 41 to drive the steel wire rope 42 on the rotating cover 41 to rotate, the extension spring 43 starts to extend under the action of the steel wire rope 42, and when the relative angle between the rotating cover 41 and the screening drum 31 reaches the value that the inner diameter of an inscribed circle of a screening grid formed by spirally winding the steel wire rope 42 on a round rod is equal to the minimum diameter of the screened fruit, the position of the rotating cover 41 is fixed by a set screw 44;
(2) detaching the adjusting rod, starting the speed reducing motor 61, driving the transmission shaft 62 to rotate by the speed reducing motor 61 through the coupler 63, and driving the friction wheel to rotate by the transmission shaft 62 so as to drive the roller 3 to do circular motion;
(3) the fruits are put into the fruit inlet basket 22 and then are guided into the roller 3 through the fruit inlet pipe 21, the fruits move from the front end to the rear end under the pushing of the spiral blades 313, and in the moving process, if the diameter of the fruits is smaller than or equal to the inner diameter of the inscribed circle of the screening grid, the fruits come out from the fruit outlet I7; if the diameter of the fruit is larger than the inner diameter of the inscribed circle of the screening grid, the fruit comes out from a fruit outlet II 8;
(4) the steps of (1), (2) and (3) are repeated to achieve the requirement of three-level classification, the classifier with the adjustable fruit size screening can be applied to screening fruits with the diameters of 0-75mm, and the size of the screening grids can be adjusted according to the screened fruits in actual operation, so that the fruits with different diameters can be screened.
Claims (8)
1. A roller type grader with adjustable fruit size screening is characterized by comprising a rack, a fruit feeding device, a roller, an adjusting mechanism, a supporting mechanism, a driving mechanism, a fruit outlet I and a fruit outlet II; the fruit feeding device comprises a fruit feeding pipe, a fruit feeding basket and a supporting rod, wherein the fruit feeding pipe is connected with the fruit feeding basket and is fixed on the rack through the supporting rod; the drum comprises a right-end annular retaining ring, a cylinder and a screening cylinder, the right-end annular baffle is connected with the right end of the cylinder through a screw, the screening cylinder comprises a round rod, a left-end annular retaining ring and helical blades, the round rod is used for connecting the left-end annular retaining ring with the left end of the cylinder and is uniformly distributed in the circumferential direction, and the helical blades are welded with the inner side of the round rod; the adjusting mechanism comprises a rotating cover, a steel wire rope, an extension spring and a set screw, the rotating cover is installed on the cylinder through a thread pair, one end of the steel wire rope is fixed with the left end annular retainer ring, the other end of the steel wire rope is connected with the extension spring, the other end of the extension spring is fixed on the right end annular retainer ring, the set screw is installed on the rotating cover, a plurality of circular holes I which are uniformly distributed in the circumferential direction are formed in the position, close to the wall of the upper inner cover, of the right end of the rotating cover, the diameter of each circular hole I is 1.5 times that of the steel wire rope, and the number of the circular holes I is consistent with; the supporting mechanism comprises a friction wheel and a supporting seat, the friction wheel is connected with the supporting seat through a revolute pair and used for supporting the weight of the roller, the driving mechanism comprises a speed reducing motor, a transmission shaft, a coupler, a friction wheel I and a friction wheel II, the speed reducing motor is connected with the transmission shaft through the coupler, the transmission shaft is horizontally supported by the supporting seat, and the friction wheel I and the friction wheel II are driven through the speed reducing motor to drive the roller to do circular motion; the fruit outlet I is fixedly arranged below the rack, and the fruit outlet II is fixedly arranged on the rack at the left end of the screening barrel.
2. The roller type grader with adjustable fruit size screening function according to claim 1, wherein the right end surface of the rotary cover is provided with two symmetrical threaded holes, the set screw is screwed in the threaded holes, and the left end surface of the rotary cover is in contact with the right end surface of the cylinder.
3. The roller type classifier with adjustable fruit size screening function as claimed in claim 1, wherein the cylindrical surface of the rotary cap is provided with a circular hole II, and the relative angle between the rotary cap and the screening cylinder is adjusted by inserting an adjusting rod into the circular hole II, thereby changing the spiral winding shape of the wire rope, and further, changing the size of the screening grid.
4. The roller type grader with adjustable fruit size screening according to claim 1, wherein the outer wall of the left end of the cylinder is provided with a thread of 50-70 mm.
5. The roller classifier with adjustable fruit size sifting function as claimed in claim 1, wherein said helical blade is continuous and has a height of 3-5 times the fruit height.
6. The roller type grader with adjustable fruit size sieving function according to claim 1, wherein the steel wire rope is spirally wound around the round rod, and the formed outer cylindrical surface and the round rod form a sieving grid.
7. The roller type grader with adjustable fruit size sieving according to claim 3, wherein the inner diameter of the inscribed circle of the sieving mesh is adjustable within the range of 0-75 mm.
8. An implementation method of a roller type grader with adjustable fruit size screening comprises the following specific steps:
(1) the adjusting rod is inserted into a circular hole II in the rotary cover to drive a steel wire rope on the rotary cover to rotate, the extension spring starts to extend under the action of the steel wire rope, and when the relative angle between the rotary cover and the screening cylinder reaches the value that the steel wire rope is spirally wound on the circular rod to form an inscribed circle inner diameter of a screening grid which is equal to the minimum diameter of the screened fruit, the position of the rotary cover is fixed by a set screw;
(2) detaching the adjusting rod, starting the speed reducing motor, driving the transmission shaft to rotate through the coupler, driving the friction wheel to rotate through the transmission shaft, and further driving the roller to do circular motion;
(3) putting the fruits into a fruit inlet basket, guiding the fruits into the roller through a fruit inlet pipe, enabling the fruits to move from the front end to the rear end under the pushing of the spiral blades, and enabling the fruits to come out from a fruit outlet I if the diameter of the fruits is smaller than or equal to the inner diameter of the inscribed circle of the screening grid in the moving process; if the diameter of the fruit is larger than the inner diameter of the inscribed circle of the screening grid, the fruit comes out from a fruit outlet II;
(4) and (4) repeating the steps (1), (2) and (3) until the grading requirement is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490855.1A CN109590204B (en) | 2018-12-07 | 2018-12-07 | Roller type classifier with adjustable fruit size screening function and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490855.1A CN109590204B (en) | 2018-12-07 | 2018-12-07 | Roller type classifier with adjustable fruit size screening function and implementation method |
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| Publication Number | Publication Date |
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| CN109590204A CN109590204A (en) | 2019-04-09 |
| CN109590204B true CN109590204B (en) | 2021-06-01 |
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| CN201811490855.1A Active CN109590204B (en) | 2018-12-07 | 2018-12-07 | Roller type classifier with adjustable fruit size screening function and implementation method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112021583B (en) * | 2020-08-26 | 2022-03-22 | 塔里木大学 | Red date grading and coring device |
| CN112090721B (en) * | 2020-09-04 | 2023-05-30 | 滁州学院 | Adjustable drum-type Gorgon fruit seed grading plant |
| CN112108352B (en) * | 2020-09-18 | 2022-02-18 | 无锡职业技术学院 | Material distributing device |
| CN112642692A (en) * | 2020-12-24 | 2021-04-13 | 安顺市晶英科技研发有限责任公司 | Screening device for fresh tea leaves and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426898A (en) * | 1966-10-10 | 1969-02-11 | Nip Co Mfg Inc | Soil sifter |
| CN1260247A (en) * | 1999-01-11 | 2000-07-19 | 梁国强 | Spiral grading sieve |
| CN203709217U (en) * | 2014-01-26 | 2014-07-16 | 和田昆仑山枣业股份有限公司 | Novel walnut grading shell breaking machine |
| CN204746804U (en) * | 2015-07-27 | 2015-11-11 | 申翰昭 | Screening plant |
| CN108906573A (en) * | 2018-07-19 | 2018-11-30 | 余文冰 | A kind of municipal road construction Sand screen being convenient for changing sieve |
-
2018
- 2018-12-07 CN CN201811490855.1A patent/CN109590204B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426898A (en) * | 1966-10-10 | 1969-02-11 | Nip Co Mfg Inc | Soil sifter |
| CN1260247A (en) * | 1999-01-11 | 2000-07-19 | 梁国强 | Spiral grading sieve |
| CN203709217U (en) * | 2014-01-26 | 2014-07-16 | 和田昆仑山枣业股份有限公司 | Novel walnut grading shell breaking machine |
| CN204746804U (en) * | 2015-07-27 | 2015-11-11 | 申翰昭 | Screening plant |
| CN108906573A (en) * | 2018-07-19 | 2018-11-30 | 余文冰 | A kind of municipal road construction Sand screen being convenient for changing sieve |
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| CN109590204A (en) | 2019-04-09 |
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