CN112536218B - Impurity screening plant for flour processing - Google Patents
Impurity screening plant for flour processing Download PDFInfo
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- CN112536218B CN112536218B CN202011387937.0A CN202011387937A CN112536218B CN 112536218 B CN112536218 B CN 112536218B CN 202011387937 A CN202011387937 A CN 202011387937A CN 112536218 B CN112536218 B CN 112536218B
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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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
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Abstract
The invention discloses an impurity screening device for flour processing, and relates to the technical field of grain processing. The invention comprises a treatment tank; the top of the treatment box is provided with a material storage component; the inside of the treatment box is provided with a material throwing component; one side of the material throwing component is provided with a material sieving component; the inner side of the screening component is provided with a collecting component; carry the material ration to throw the material subassembly through the storage subassembly on, utilize to throw the material subassembly and throw the material to sieve material subassembly to utilize the subassembly that gathers materials to collect the material after sieving the material subassembly screening, thereby accomplish the impurity screening of material. The flour impurity screening device is reasonable in structural design and convenient and fast to use, effectively improves the impurity screening efficiency and effect of flour, and is suitable for popularization and application.
Description
Technical Field
The invention belongs to the technical field of grain processing, and particularly relates to an impurity screening device for flour processing.
Background
The flour is a starch-rich powder ground from wheat flour, is eaten as staple food in most regions in the north of China, is also a popular food material in the south, can be processed into various foods, and has various varieties, various patterns and different flavors.
The wheat processing needs to be carried out by a wheat milling device for milling, the grain size of the milled flour is generally 40-60 meshes, and the grain diameter is very small. After the flour milling is finished, the flour is generally screened and filtered to remove larger particle impurities in the wheat flour, and if the impurities are not removed, the quality of the flour is affected. The screening effect of the screening equipment in the prior art is poor, and the screened flour still contains more impurities; in addition, the diameter of the sieve pores of the sieve is very small, so the sieve pores are very easy to block in the screening process. Therefore, there is a need to develop an impurity screening apparatus for flour processing so as to solve the above problems.
Disclosure of Invention
The invention aims to provide an impurity screening device for flour processing, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an impurity screening device for flour processing, which comprises a processing box; the top of the treatment box is provided with a material storage component; the inside of the treatment box is provided with a material throwing component; one side of the material throwing component is provided with a screening component; the inner side of the screening component is provided with an aggregate component; through on the storage subassembly carries the material ration to throwing the material subassembly, utilize throw the material subassembly and throw the material to the sieve material subassembly on, and utilize the subassembly that gathers materials is collected the material after the sieve material subassembly sieves to accomplish the impurity screening of material.
Further, the storage assembly comprises a storage box; the bottom of the storage box is provided with a feeding cavity in a cylindrical structure; the feeding cavity is arranged inside the treatment box; the bottom of the feeding cavity is provided with a discharge hole along the axial direction; a first rotating shaft is coaxially and rotatably arranged in the feeding cavity; a plurality of partition plates are radially fixed on the first rotating shaft; one edge of the partition plate can abut against the inner wall of the feeding cavity.
Furthermore, the material throwing component comprises a second rotating shaft which is rotatably arranged between two opposite side walls of the treatment box; the second rotating shaft is arranged in parallel with the first rotating shaft; a plurality of connecting rods are fixed on the second rotating shaft side by side; a plurality of connecting rods are connected through a throwing box corresponding to the discharge hole towards the same end.
Furthermore, a limiting strip used for limiting the position of the material throwing box is horizontally fixed between the second rotating shaft and the first rotating shaft; when the material throwing box is positioned under the material outlet, the upper surface of the limiting strip is tangent with the outer wall of the connecting rod.
Furthermore, a power assembly is shared between the material storage assembly and the material throwing assembly for driving; the power assembly comprises a first power telescopic part fixed on one side wall of the material storage box; a first rack corresponding to the first rotating shaft is coaxially fixed at the output end of the first power telescopic component; one end of the first rotating shaft penetrates through the material storage box and is fixed with a one-way gear which can be meshed with the first rack; one end of the first rack is fixed with a transmission strip along the length direction; one end of the transmission bar is provided with a second rack corresponding to the second rotating shaft; one end of the second rotating shaft penetrates through the processing box and is fixedly provided with a transmission gear which can be meshed with the second rack; an n-shaped block is sleeved on the periphery of the second rack; the n-type block is fixed on the processing box; the n-type block is in sliding fit with the second rack; a first magnet is fixed on one surface of the second rack; a first magnetic sheet corresponding to the first magnet is adhered to one surface of the n-type block; the second rack is provided with a cavity structure; one end of the transmission strip is slidably arranged in the cavity structure; a second magnet is fixed at one end of the transmission strip; and a second magnetic sheet corresponding to the second magnet is adhered to one inner surface of the cavity structure.
Furthermore, the screening component comprises four belt wheels which are rotatably arranged between two opposite side walls of the treatment box; the four belt wheels are in transmission connection through a screening belt; a plurality of sieve meshes are arranged side by side on the working face of the sieve material belt.
Furthermore, a vibration component is arranged above the screening component; the vibration assembly comprises a mounting plate horizontally arranged above the treatment box and a vibration motor fixed on the upper surface of the mounting plate; the lower surface of the mounting plate is connected with the top wall of the treatment box through a plurality of vertically arranged elastic telescopic rods; a plurality of vibrating rods are vertically fixed on the lower surface of the mounting plate side by side; the lower end of the vibrating rod penetrates into the treatment box and is fixed with a rubber cap; the outer surface of the rubber cap is matched with the working surface of the screening belt.
Further, the aggregate component is placed in a supporting component; the supporting component is arranged on the inner side of the screening component; the support assembly comprises a first side plate and a second side plate which are arranged side by side; the first side plate is connected with the second side plate through a first bearing plate; the opposite inner side surfaces of the first side plate and the second side plate are respectively provided with a positioning protrusion for carrying an aggregate assembly; the aggregate assembly comprises an aggregate box with an open structure at the upper part; the material collecting box is placed on the positioning boss; a negative pressure chamber is formed between the bottom wall of the material collecting box and the first bearing plate; a plurality of negative pressure pipes are vertically fixed in the material collecting box side by side; a plurality of negative pressure holes are uniformly distributed on the side wall of the negative pressure pipe; the lower end of the negative pressure pipe penetrates out of the bottom wall of the material collecting box and is provided with an air supply port communicated with the negative pressure chamber.
Further, a second bearing plate is arranged below the first bearing plate in parallel; a hole cleaning assembly for cleaning the sieve holes is arranged between the first bearing plate and the second bearing plate; the hole cleaning assembly comprises a second power telescopic part horizontally fixed between the first bearing plate and the second bearing plate; a driving strip is radially fixed at the output end of the second power telescopic part; a plurality of cleaning needles corresponding to the sieve holes are vertically fixed on one surface of the driving strip side by side; one end of the cleaning needle is inserted on the first side plate in a sliding mode.
Furthermore, a scraping component for cleaning the working surface of the screening belt is arranged on one side wall of the processing box; the scraping component comprises an adjusting rod which is horizontally inserted into one side wall of the treatment box; the adjusting rod is in threaded fit with the treatment box; one end of the adjusting rod is rotatably connected with a scraping strip; one edge of the scraping strip can be abutted against the working surface of the screening belt; at least one guide rod is vertically fixed on one surface of the scraping strip; the guide rod and the adjusting rod are arranged in parallel; one end of the guide rod is inserted into one side wall of the treatment box in a sliding mode.
The invention has the following beneficial effects:
the impurity screening device quantitatively conveys materials to the material throwing assembly through the material storage assembly, throws the materials to the material screening assembly through the material throwing assembly, collects the materials screened by the material screening assembly through the material collecting assembly, and accordingly completes impurity screening of the materials.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an impurity screening device for flour processing according to the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a rear view of the structure of FIG. 1;
FIG. 4 is a schematic structural view of the storage assembly, the material throwing assembly, the material sieving assembly, the vibrating assembly and the supporting assembly which are arranged inside the processing box according to the present invention;
FIG. 5 is a schematic structural view of a collection assembly of the present invention;
FIG. 6 is a schematic view of the transmission rack of the present invention mounted on the second rack;
fig. 7 is a schematic structural view of the vibration assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a treatment box, 2-a storage component, 3-a material throwing component, 4-a material sieving component, 5-an aggregate component, 6-a power component, 7-a vibration component, 8-a support component, 9-a hole cleaning component, 10-a material scraping component, 11-a collection box, 101-a door panel, 102-a ventilation hole, 103-a baffle plate, 201-a storage box, 202-a first rotating shaft, 203-a baffle plate, 301-a second rotating shaft, 302-a connecting rod, 303-a material throwing box, 304-a limiting strip, 401-a belt wheel, 402-a material sieving strip, 501-a material collecting box, 502-a negative pressure pipe, 601-a first power telescopic component, 602-a first rack, 603-a one-way gear, 604-a transmission strip, 605-a second rack, 606-a transmission gear, 607-n type block, 608-first magnet, 609-second magnet, 701-mounting plate, 702-vibrating motor, 703-elastic telescopic rod, 704-vibrating rod, 705-rubber cap, 801-first side plate, 802-second side plate, 803-first bearing plate, 804-second bearing plate, 901-second power telescopic part, 902-cleaning needle, 1001-adjusting rod, 1002-scraping strip, 1003-guide rod, 2011-discharge port and 4021-sieve hole.
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 to 7, the present invention is an impurity screening apparatus for flour processing, including a processing box 1; the top of the processing box 1 is provided with a material storage component 2; the inside of the processing box 1 is provided with a material throwing component 3; one side of the material throwing component 3 is provided with a screening component 4; the inner side of the screening component 4 is provided with a collecting component 5; carry the material ration to throwing on the material subassembly 3 through storage subassembly 2, utilize to throw the material subassembly 3 and throw the material to sieve material subassembly 4 to utilize the subassembly 5 that gathers materials to collect the material after sieving material subassembly 4 sieves, thereby accomplish the impurity screening of material.
As shown in fig. 1-2, the magazine assembly 2 includes a magazine 201; the bottom of the storage box 201 is provided with a cylindrical feeding cavity, and the upper part of the feeding cavity is symmetrically provided with a pair of obliquely arranged material sliding plates; the feeding cavity is arranged inside the processing box 1; a discharge port 2011 is formed at the bottom of the feeding cavity along the axial direction; a first rotating shaft 202 is coaxially and rotatably arranged in the feeding cavity; a plurality of partition plates 203 are radially fixed on the first rotating shaft 202; one edge of the partition plate 203 can be abutted against the inner wall of the feeding cavity; a certain amount of feeding cavities are formed between two adjacent partition boards 203 and the inner wall of the feeding cavity.
As shown in fig. 2 and 4, the material throwing assembly 3 includes a second rotating shaft 301 rotatably installed between two opposite sidewalls of the processing box 1; the second rotating shaft 301 is arranged in parallel with the first rotating shaft 202; a plurality of connecting rods 302 are fixed on the second rotating shaft 301 in parallel; the ends, facing the same direction, of the connecting rods 302 are connected through a material throwing box 303 corresponding to the material outlet 2011; the material throwing box 303 is provided with a material throwing port, and the vertical cross section of the material throwing box 303 is of a semicircular structure; a limiting strip 304 for limiting the position of the material throwing box 303 is horizontally fixed between the second rotating shaft 301 and the first rotating shaft 202; when the material throwing box 303 is located right below the discharge port 2011, the upper surface of the limiting strip 304 is matched with the outer wall of the connecting rod 302, so that the position of the material throwing box 303 is limited.
As shown in fig. 3 and 6, the material storage assembly 2 and the material throwing assembly 3 share a power assembly 6 for driving; the power assembly 6 comprises a first power telescopic part 601 fixed on one side wall of the storage box 201; the first power telescopic part 601 adopts a conventional electric push rod in the field; a first rack 602 corresponding to the first rotating shaft 202 is coaxially fixed at the output end of the first power telescopic part 601; one end of the first rotating shaft 202 penetrates through the material storage box 201 and is fixed with a one-way gear 603 capable of being meshed with the first rack 602;
one end of the first rack 602 is fixed with a transmission bar 604 along the length direction; one end of the transmission bar 604 is provided with a second rack 605 corresponding to the second rotating shaft 301; one end of the second rotating shaft 301 penetrates through the processing box 1 and is fixed with a transmission gear 606 which can be meshed with the second rack 605; an n-type block 607 is sleeved on the periphery of the second rack 605; an n-type block 607 is fixed to the process chamber 1; the n-type block 607 is in sliding fit with the second rack 605; a first magnet 608 is fixed on one surface of the second rack 605; a first magnetic sheet corresponding to the first magnet 608 is adhered to one surface of the n-type block 607; the second rack 605 has a cavity structure; one end of the driving strip 604 is slidably arranged in the cavity structure; a second magnet 609 is fixed at one end of the driving strip 604; a second magnetic sheet corresponding to the second magnet 609 is adhered to one inner surface of the cavity structure; the second magnetic sheet and the first magnetic sheet are both made of ferromagnetic materials;
when the material throwing box 303 is required to be fed by the discharge port 2011, the material throwing box 303 is positioned right below the discharge port 2011, the first magnet 608 is attracted with the first magnetic sheet, the second magnet 609 is separated from the second magnetic sheet, the first rack 602 and the one-way gear 603 are in a state of being just meshed, at the moment, the output end of the first power telescopic component 601 is continuously withdrawn, the first rack 602 drives the one-way gear 603 to rotate, the first rotating shaft 202 is driven by the one-way gear 603 to rotate together, one quantitative material feeding cavity is communicated with the discharge port 2011, and flour in the quantitative material feeding cavity falls into the material throwing box 303; when the quantitative feeding cavity is not communicated with the discharge port 2011, feeding is completed, the output end of the first power telescopic component 601 begins to extend out, the rotation of the one-way gear 603 cannot drive the first rotating shaft 202 to rotate, and one end of the transmission bar 604 continues to extend into the cavity structure of the second rack 605; when the second magnet 609 and the second magnetic sheet are adsorbed, the output end of the first power telescopic part 601 continues to extend out, the first magnet 608 is separated from the first magnetic sheet, at this time, the second rack 605 is driven, the transmission gear 606 drives the second rotating shaft 301 to rotate, and the material throwing box 303 rotates around the central line of the second rotating shaft 301; when the rotation angle of the connecting rod 302 is 95 degrees, the output end of the first power telescopic component 601 reaches the maximum extension amount, at the moment, the throwing box 303 stops moving, flour in the throwing box 303 is thrown out of the throwing box 303 under the inertia effect and falls onto the material screening belt 402, and therefore the throwing action is completed; after the material throwing is completed, the output end of the first power telescopic part 601 retreats, the material throwing box 303 resets again, and the actions of feeding, material throwing and the like are continued.
As shown in fig. 2 and 4, the sieving assembly 4 includes four belt wheels 401 rotatably mounted between two opposite side walls of the treatment tank 1; the four belt wheels 401 are arranged in a quadrilateral structure, the two belt wheels 401 positioned below are horizontally arranged, and the two belt wheels 401 positioned above have a height difference, namely the horizontal position of one belt wheel 401 close to the throwing assembly 3 is lower than the horizontal position of the other belt wheel 401 far away from the throwing assembly 3; the four belt wheels 401 are in transmission connection through a screening belt 402; a plurality of sieve holes 4021 are formed in the working surface of the sieve belt 402 in parallel; the mesh 4021 has a diameter of 0.2 mm. By rotating one of the belt pulleys 401, part of the screening belt 402 between the two belt pulleys 401 above can be changed, so that the screening surface of the screening belt 402 during operation can be adjusted, and the continuous operation of the screening belt 4025 is realized.
As shown in fig. 2, 4 and 7, a vibrating assembly 7 is disposed above the sieving assembly 4; the vibration component 7 comprises a mounting plate 701 horizontally arranged above the treatment box 1 and a vibration motor 702 fixed on the upper surface of the mounting plate 701; the lower surface of the mounting plate 701 is connected with the top wall of the treatment box 1 through a plurality of vertically arranged elastic telescopic rods 703; the elastic telescopic rod 703 is composed of a rod sleeve, a supporting rod connected to the rod sleeve in a sliding manner, and a tension spring sleeved on the supporting rod; a plurality of vibrating rods 704 are vertically fixed on the lower surface of the mounting plate 701 side by side; the lower end of the vibrating rod 704 penetrates into the processing box 1 and is fixed with a rubber cap 705 in a spherical structure; the vibrating rod 704 is in sliding fit with the treatment box 1; the outer surface of rubber cap 705 conforms to the working surface of screen belt 402. The vibrating motor 702 drives the vibrating rod 704 to vibrate up and down, so that the material screening surface of the material screening belt 402 is vibrated, and the material screening effect is effectively improved.
Wherein, as shown in fig. 2 and 4, the aggregate unit 5 is placed in a support unit 8; the supporting component 8 is arranged on the inner side of the screening component 4; the support assembly 8 comprises a first side plate 801 and a second side plate 802 arranged side by side; the first side plate 801 and the second side plate 802 are both fixedly connected with two opposite side walls of the treatment box 1, the upper edge of the first side plate 801 abuts against the outer wall of one belt wheel 401, and the upper edge of the second side plate 802 abuts against the outer wall of the other belt wheel 401; the first side plate 801 and the second side plate 802 are connected through a first carrier plate 803; the opposite inner side surfaces of the first side plate 801 and the second side plate 802 are respectively provided with a positioning protrusion for carrying the aggregate component 5; the aggregate component 5 comprises an aggregate box 501 with an open structure at the upper part; the material collecting box 501 is placed on the positioning boss; the processing box 1 is provided with a first inlet and a first outlet corresponding to the material collecting box 501; the first inlet and outlet is rotatably provided with a door plate 101; the material collecting box 501 is placed on the positioning boss through the first inlet and outlet, and the door plate 101 is matched with the first inlet and outlet, so that a closed space is formed inside the treatment box 1; a negative pressure chamber is formed between the bottom wall of the material collecting box 501 and the first bearing plate 803; an air exhaust hole 102 corresponding to the negative pressure chamber is formed in the processing box 1; the air suction hole 102 is used for being connected with a negative pressure fan so as to realize the formation of a negative pressure state in the negative pressure cavity; a plurality of negative pressure pipes 502 are vertically fixed in parallel inside the material collecting box 501; a plurality of negative pressure holes are uniformly distributed on the side wall of the negative pressure pipe 502; the diameter of the negative pressure hole is based on the condition that flour particles cannot pass through, namely, the negative pressure hole can be utilized to form a negative pressure state in the material collecting box 501, but the flour cannot be sucked away by the negative pressure hole; the lower end of the negative pressure pipe 502 penetrates out of the bottom wall of the material collecting box 501 and is provided with an air feeding port communicated with the negative pressure chamber. By forming a negative pressure state in the material collecting box 501, the flour particles on the material sieving belt 402 can be accelerated to pass through the sieve holes 4021 and enter the material collecting box 501, so that the flour sieving efficiency is effectively improved.
As shown in fig. 2, a second carrier plate 804 is disposed below the first carrier plate 803 in parallel; a hole cleaning assembly 9 for cleaning the sieve holes 4021 is arranged between the first bearing plate 803 and the second bearing plate 804; the hole cleaning assembly 9 comprises a second power telescopic part 901 horizontally fixed between the first bearing plate 803 and the second bearing plate 804; the second power telescopic part 901 adopts a conventional electric push rod in the field; a driving strip is radially fixed at the output end of the second power telescopic part 901; a plurality of cleaning needles 902 corresponding to the sieve holes 4021 are vertically fixed on one surface of the driving strip in parallel; one end of the cleaning pin 902 is slidably inserted into the first side plate 801. When the part of the screen belt 402 between the two pulleys 401 above works for a period of time, the screen holes 4021 on the belt may be blocked by impurities, and the screen holes 4021 are sequentially cleaned by the cleaning needle 902 by rotating one pulley 401, so that the possibility of blocking the screen holes 4021 is avoided.
As shown in fig. 2, a scraping component 10 for cleaning the working surface of the screen belt 402 is arranged on one side wall of the processing box 1; the scraping component 10 comprises an adjusting rod 1001 horizontally inserted into one side wall of the processing box 1; the adjusting rod 1001 is in threaded fit with the treatment box 1; one end of the adjusting rod 1001 is rotatably connected with a scraping strip 1002; one edge of the scraping strip 1002 can abut against the working surface of the screening belt 402; a pair of guide rods 1003 are symmetrically and vertically fixed on one surface of the scraping strip 1002; the guide rod 1003 is arranged in parallel with the adjusting rod 1001; one end of the guide bar 1003 is slidably inserted through one side wall of the process chamber 1. After a part of the screening belt 402 between the two pulleys 401 above works for a period of time, a lot of impurities may be attached to the screening surface, and the screening surface is cleaned by the scraping strips 1002 by rotating one pulley 401, so that the cleanliness of the working surface of the screening belt 402 is ensured.
As shown in fig. 2 and 4, a collecting box 11 with an open upper part is arranged below the screening component 4; the length of the collection box 11 in the direction of the cleaning needle 902 is greater than that of the screening component 4 in the direction of the cleaning needle 902, that is, the collection box 11 is used for collecting impurities falling from the screening belt 402, impurities cleaned by the hole cleaning component 9 on the screening holes 4021, and impurities cleaned by the scraping component 10 on the working surface of the screening belt; the collecting box 11 is placed on the bottom wall of the processing box 1; the processing box 1 is provided with a second inlet and a second outlet corresponding to the collecting box 11; a baffle 103 is interference fitted in the second access port.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. An impurity screening device for flour processing is characterized by comprising a processing box (1);
the top of the treatment box (1) is provided with a storage component (2); the inside of the treatment box (1) is provided with a material throwing component (3); one side of the material throwing component (3) is provided with a screening component (4); the inner side of the screening component (4) is provided with a material collecting component (5); materials are quantitatively conveyed to the material throwing component (3) through the material storage component (2), the material throwing component (3) is used for throwing the materials to the material screening component (4), and the material collecting component (5) is used for collecting the materials screened by the material screening component (4), so that the impurity screening of the materials is completed;
the storage assembly (2) comprises a storage box (201); the bottom of the storage box (201) is provided with a feeding cavity in a cylindrical structure; the feeding cavity is arranged inside the processing box (1); a discharge port (2011) is formed in the bottom of the feeding cavity along the axial direction; a first rotating shaft (202) is coaxially and rotatably arranged in the feeding cavity; a plurality of partition plates (203) are radially fixed on the first rotating shaft (202); one edge of the partition plate (203) can be abutted against the inner wall of the feeding cavity;
the material throwing component (3) comprises a second rotating shaft (301) which is rotatably arranged between two opposite side walls of the processing box (1); the second rotating shaft (301) is arranged in parallel with the first rotating shaft (202); a plurality of connecting rods (302) are fixed on the second rotating shaft (301) in parallel; one ends of the connecting rods (302) facing the same direction are connected through a polishing box (303) corresponding to the discharge port (2011);
the material storage component (2) and the material throwing component (3) share one power component (6) for driving; the power assembly (6) comprises a first power telescopic part (601) fixed on one side wall of the material storage box (201); a first rack (602) corresponding to the first rotating shaft (202) is coaxially fixed at the output end of the first power telescopic part (601); one end of the first rotating shaft (202) penetrates through the material storage box (201) and is fixed with a one-way gear (603) which can be meshed with the first rack (602);
one end of the first rack (602) is fixed with a transmission strip (604) along the length direction; one end of the transmission bar (604) is provided with a second rack (605) corresponding to the second rotating shaft (301); one end of the second rotating shaft (301) penetrates through the processing box (1) and is fixed with a transmission gear (606) which can be meshed with the second rack (605); an n-shaped block (607) is sleeved on the periphery of the second rack (605); the n-type block (607) is fixed on the processing box (1); the n-type block (607) is in sliding fit with the second rack (605); a first magnet (608) is fixed on one surface of the second rack (605); a first magnetic sheet corresponding to the first magnet (608) is adhered to one surface of the n-type block (607); the second rack (605) has a cavity structure; one end of the transmission bar (604) is arranged in the cavity structure in a sliding manner; a second magnet (609) is fixed at one end of the transmission bar (604); and a second magnetic sheet corresponding to the second magnet (609) is adhered to one inner surface of the cavity structure.
2. The impurity screening device for flour processing as claimed in claim 1, wherein a limit strip (304) for restricting the position of the polishing box (303) is horizontally fixed between the second rotating shaft (301) and the first rotating shaft (202); when the polishing box (303) is positioned right below the discharge port (2011), the upper surface of the limiting strip (304) is tangent to the outer wall of the connecting rod (302).
3. An impurity screening device for flour processing according to claim 1, characterized in that the screening component (4) comprises four belt wheels (401) which are rotatably arranged between two opposite side walls of the processing box (1); the four belt wheels (401) are in transmission connection through a screening belt (402); the working surface of the sieve material belt (402) is provided with a plurality of sieve holes (4021) in parallel.
4. A device for screening impurities for flour processing according to claim 3, characterized in that a vibration assembly (7) is arranged above the material sieving assembly (4); the vibration component (7) comprises a mounting plate (701) horizontally arranged above the treatment box (1) and a vibration motor (702) fixed on the upper surface of the mounting plate (701); the lower surface of the mounting plate (701) is connected with the top wall of the treatment box (1) through a plurality of vertically arranged elastic telescopic rods (703); a plurality of vibrating rods (704) are vertically fixed on the lower surface of the mounting plate (701) side by side; the lower end of the vibrating rod (704) penetrates into the treatment box (1) and is fixed with a rubber cap (705); the outer surface of the rubber cap (705) is matched with the working surface of the screening belt (402).
5. A screening device for impurities in flour processing according to claim 3 or 4, characterized in that the aggregate component (5) is placed in a supporting component (8); the supporting component (8) is arranged on the inner side of the screening component (4); the support assembly (8) comprises a first side plate (801) and a second side plate (802) arranged side by side; the first side plate (801) is connected with the second side plate (802) through a first bearing plate (803); the opposite inner side surfaces of the first side plate (801) and the second side plate (802) are respectively provided with a positioning protrusion for carrying the aggregate component (5);
the aggregate component (5) comprises an aggregate box (501) with an open structure at the upper part; the material collecting box (501) is placed on the positioning boss; a negative pressure chamber is formed between the bottom wall of the material collecting box (501) and the first bearing plate (803); a plurality of negative pressure pipes (502) are vertically fixed in the material collecting box (501) side by side; a plurality of negative pressure holes are uniformly distributed on the side wall of the negative pressure pipe (502); the lower end of the negative pressure pipe (502) penetrates out of the bottom wall of the material collecting box (501) and is provided with an air feeding port communicated with the negative pressure chamber.
6. The impurity screening device for flour processing as claimed in claim 5, wherein a second bearing plate (804) is arranged below the first bearing plate (803) in parallel; a hole cleaning assembly (9) for cleaning the sieve holes (4021) is arranged between the first bearing plate (803) and the second bearing plate (804); the hole cleaning assembly (9) comprises a second power telescopic part (901) horizontally fixed between the first bearing plate (803) and the second bearing plate (804); a driving strip is radially fixed at the output end of the second power telescopic part (901); a plurality of cleaning needles (902) corresponding to the sieve holes (4021) are vertically fixed on one surface of the driving strip in parallel; one end of the cleaning needle (902) is inserted on the first side plate (801) in a sliding mode.
7. A screening device for impurities in flour processing according to claim 3 or 4 or 6, characterized in that a scraping component (10) for cleaning the working surface of the screening belt (402) is arranged on one side wall of the processing box (1); the scraping component (10) comprises an adjusting rod (1001) which is horizontally inserted into one side wall of the treatment box (1); the adjusting rod (1001) is in threaded fit with the treatment box (1); one end of the adjusting rod (1001) is rotatably connected with a scraping strip (1002); one edge of the scraping strip (1002) can be abutted against the working surface of the screening belt (402); at least one guide rod (1003) is vertically fixed on one surface of the scraping strip (1002); the guide rod (1003) and the adjusting rod (1001) are arranged in parallel; one end of the guide rod (1003) is inserted into one side wall of the treatment box (1) in a sliding mode.
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| CN113275237B (en) * | 2021-06-10 | 2023-01-24 | 新乡市口口妙食品有限公司 | Flour equipment of sieving for food processing |
| CN113959802B (en) * | 2021-09-24 | 2023-08-25 | 安阳工学院 | Soil particle sorting equipment based on soil research and application method thereof |
| CN114345704B (en) * | 2022-01-07 | 2023-07-14 | 山西德和源工贸有限公司 | Screening installation that flour production was used |
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