CN109317408B - Three-stage material screening cylinder - Google Patents
Three-stage material screening cylinder Download PDFInfo
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- CN109317408B CN109317408B CN201811436717.5A CN201811436717A CN109317408B CN 109317408 B CN109317408 B CN 109317408B CN 201811436717 A CN201811436717 A CN 201811436717A CN 109317408 B CN109317408 B CN 109317408B
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- screen
- material guiding
- screening
- outer sleeve
- door body
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- 239000000463 material Substances 0.000 title claims abstract description 120
- 238000012216 screening Methods 0.000 title claims abstract description 63
- 230000000149 penetrating effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 11
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- 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
-
- 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
-
- 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
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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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a three-stage material screening cylinder, which comprises: a support housing; an outer sleeve; the inner skleeve, its level is located in the outer sleeve, and both ends all with the bracing piece rigid coupling, set up fixed screen cloth and rotary screen along its radial direction interval in the inner skleeve, with will space in the inner skleeve separates in proper order for being located fixed screen cloth and supporting shell lateral wall within a definite time first screening chamber, being located fixed screen cloth and rotary screen cloth within a definite time second screening chamber, and being located rotary screen cloth and supporting shell lateral wall within a definite time third screening chamber, wherein, fixed screen cloth is on a parallel with the bracing piece sets up, the slope of first screening chamber arc lateral wall sets up and forms guide portion, works as when fixed screen cloth level sets up. The invention can realize the two-stage three-kind classification of materials in a limited space while realizing the feeding of the inner sleeve and respectively export the materials.
Description
Technical Field
The invention relates to the technical field of seed screening equipment. More specifically, the invention relates to a three-stage material screening drum.
Background
The seeds need to be screened and classified after being collected, and screening and classification means that the seeds are classified according to different sizes so as to carry out different treatments aiming at the seeds with different sizes. The existing seed classification method comprises air separation, water separation, or separation by using a plurality of screen drums, wherein the water separation has a working principle that the seeds with different gravity are layered due to different buoyancy of substances in water or organic solution with certain density because the seeds with different sizes have different gravity, the air separation has a working principle that the seeds with different gravity sizes are classified by using wind power, the air separation and water separation method is not suitable for the seeds with relatively large mass, the screen drums are generally used for separation, and the problem of low space utilization rate and complex operation can be caused by multi-drum classified screening.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a three-stage material screening barrel, wherein a two-stage screen is arranged in an inner sleeve, and an upper door body and a lower door body are matched to realize the feeding of the inner sleeve, and simultaneously realize the classification of two stages and three types (three materials with different sizes are obtained by secondary screening) of materials in a limited space and respectively lead out the materials.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a three-stage material screening drum, comprising:
the supporting shell is in a horizontally placed regular quadrangular prism shape, an operation hole is formed in the middle lower portion of one end of the supporting shell, and a fixing rod is coaxially and fixedly arranged on one end face, in which the operation hole is formed, of the supporting shell;
one end of the outer sleeve is open and horizontally arranged in the supporting shell, the open end of the outer sleeve is coaxially and fixedly arranged on the other end surface of the supporting shell, the other end of the outer sleeve is fixedly penetrated on the fixing rod, one end of the fixing rod, which is positioned in the outer sleeve, is fixedly provided with a rotating motor, a rotating shaft of the rotating motor is coaxially and fixedly connected with a supporting rod, and the other end of the supporting rod is rotatably connected with the other end surface of the supporting shell;
an inner sleeve horizontally arranged in the outer sleeve, wherein both ends of the inner sleeve are fixedly connected with the supporting rod, a fixed screen and a rotary screen are arranged in the inner sleeve at intervals along the radial direction of the inner sleeve to sequentially divide the space in the inner sleeve into a first screening cavity between the fixed screen and the side wall of the supporting shell, a second screening cavity between the fixed screen and the rotary screen and a third screening cavity between the rotary screen and the side wall of the supporting shell, the fixed screen is arranged in parallel with the supporting rod, the arc-shaped side wall of the first screening cavity is obliquely arranged to form an upper material guide part, when the fixed screen is horizontally arranged, the side wall of the upper material guide part is obliquely and upwards arranged along the direction far away from the opening end along the middle part in the circumferential direction, an upper material guide hole is arranged at one end penetrating through the upper material guide part and close to the operating hole, and an upper door body is hinged on the upper material guide hole, the rotary screen is rotatably connected with a rotary rod along the middle part of the length direction, the two ends of the rotary rod are fixedly connected with the side wall of the supporting shell, the two end surfaces of the supporting shell are respectively provided with a positioning strip, when the rotary screen is parallel to the fixed screen, the bottom surface of the positioning strip, which is close to one end surface of the motor, of the supporting shell is abutted against the top surface of the molded rotary screen, the top surface of the positioning strip, which is far away from one end surface of the motor, of the supporting shell is abutted against the bottom surface of the rotary screen, the third screening cavity comprises a rectangular cavity and a derivation cavity, which are arranged along the direction far away from the positioning strip, the rectangular cavity is arranged below the positioning strip, which is close to one end surface of the motor, of the supporting shell and is provided with a limiting strip, the rotary screen rotates, one end of the rotary screen is close to the limiting strip is abutted against the, when the fixed screen is horizontally arranged, the side wall of the lower material guiding part is obliquely and upwards arranged along the middle part of the circumferential direction along the direction far away from the open end of the outer sleeve, a lower material guiding hole is arranged at one end, which is close to the operation hole, of the third screening cavity in a penetrating manner, a lower door body is hinged to the lower material guiding hole, an opening is arranged in the lower door body in a penetrating manner, and when the lower door body is closed, the opening is superposed with one end, which is close to the operation hole, of the lower material guiding cavity;
wherein the aperture of the mesh of the fixed screen is larger than that of the mesh of the rotating screen, and the rotating screen is made of a stainless steel material containing at least 40% of iron; the limiting strip and at least one positioning strip are made of magnetic materials.
Preferably, the operation hole is a rectangular hole, the length of the side of the operation hole in the horizontal direction is equal to the length of the inner circumference of the end face of the support shell, and the distance from the top surface of the operation hole to the fixed rod is 2-4 cm.
Preferably, the outer sleeve and the inner sleeve penetrate through the side walls close to the tips of the corresponding material guiding parts and are provided with a pair of coaxially arranged fixing holes, and the screws penetrate through the pair of fixing holes and are fixed through nuts so as to close the corresponding door bodies.
Preferably, the outer material guiding part of the outer sleeve, and the tip ends of the upper material guiding part and the lower material guiding part of the inner sleeve are fixedly connected with a telescopic material guiding plate, and when the material guiding plate is completely retracted, the free end of the material guiding plate is flush with the end part of the corresponding material guiding part.
Preferably, the material guide plate is formed by sequentially connecting a plurality of V-shaped plates in a sliding manner.
Preferably, the baffle plate extends from the tip of the corresponding door body, so that when the corresponding door body is closed, the baffle plate resists to make the corresponding material guide plate shrink and fix.
The invention at least comprises the following beneficial effects:
with the outer sleeve, the inner skleeve is similar coaxial cover to be established, set up the classification of the second grade three kinds (the secondary screening obtains three kinds of not equidimension materials) of two-stage screen cloth in the finite space realization material in the inner skleeve, set up the two-stage screen cloth in the inner skleeve, and rotary screen passes through location strip and spacing control, the cooperation is gone up the door body, the lower door body sets up, when realizing the inner skleeve feeding, to first screening chamber, the second screening chamber, and the material of third screening intracavity is derived under the not hybrid state fast.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a three-stage material screening drum according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of the inner sleeve according to one embodiment of the present invention;
FIG. 3 is a schematic structural view of a rotary screen according to one embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.
The reference signs are: a support case 1; an operation hole 10; a fixing lever 11; an outer sleeve 2; an outer material guide part 20; an outer material guide hole 21; an outer door body 22; a rotating electrical machine 3; a support rod 30; an inner sleeve 4; a fixed screen 40; a rotary screen 41; a rotating rod 42; a positioning bar 43; a stopper bar 44; a first screening chamber 5; an upper material guide part 50; an upper guide hole 51; an upper door body 52; a second screening chamber 6; a third screening chamber 7; a rectangular cavity 70; an outlet chamber 71; a lower material guide part 72; a lower guide hole 73; a lower door body 74; an opening 75; a fixing hole 8; a screw 80; a material guide plate 9; a baffle 90.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-4, the present invention provides a three-stage material screening cartridge, comprising:
the supporting shell 1 is in a horizontally placed regular quadrangular prism shape, an operation hole 10 is formed in the middle lower portion of one end of the supporting shell 1, and a fixing rod 11 is coaxially and fixedly arranged on one end face, in which the operation hole 10 is formed, of the supporting shell 1;
an outer sleeve 2 with one end open and horizontally arranged in the supporting shell 1, wherein the open end of the outer sleeve 2 is coaxially and fixedly arranged at the other end face (the end face opposite to the end face with the operation hole 10) of the supporting shell 1, the other end of the outer sleeve 2 is fixedly arranged on the fixing rod 11, one end of the fixing rod 11 positioned in the outer sleeve 2 is fixedly provided with a rotating motor 3, a supporting rod 30 is coaxially and fixedly connected to a rotating shaft of the rotating motor 3, the supporting rod 30 and the fixing rod 11 are coaxially arranged, the other end of the supporting rod 30 is rotatably connected with the other end face (the end face opposite to the end face with the operation hole 10) of the supporting shell 1, the rotatable connection mode can be a slot mode, so that the motor rotates to drive the supporting rod 30 to rotate, wherein the part of the outer sleeve 2 positioned below the supporting rod 30 is obliquely arranged to form an outer material, the outer material guiding part 20 is obliquely and downwards arranged along the direction far away from the open end of the outer sleeve 2, the lowest point is formed in the middle of the other end along the circumferential direction, an outer material guiding hole 21 is arranged at one end, which penetrates through the outer material guiding part 20 and is close to the operation hole 10, and an openable outer door body 22 is hinged to the outer material guiding hole 21;
an inner sleeve 4 horizontally arranged in the outer sleeve 2, both ends of which are fixedly connected with the support rod 30, wherein the inner sleeve 4 is internally provided with a fixed screen 40 and a rotary screen 41 at intervals along the radial direction thereof, so as to sequentially separate the space in the inner sleeve 4 into a first screening chamber 5 between the fixed screen 40 (the fixed screen 40 is far away from one side of the rotary screen 41) and the side wall of the support shell 1, a second screening chamber 6 between the fixed screen 40 and the rotary screen 41, and a third screening chamber 7 between the rotary screen 41 and the side wall of the support shell 1, as shown in fig. 1, the first screening chamber 5, the second screening chamber 6 and the third screening chamber 7 are sequentially arranged from top to bottom, wherein the fixed screen 40 is parallel to the support rod 30, the arc-shaped side wall of the first screening chamber 5 is obliquely arranged to form an upper material guiding part 50, and when the fixed screen 40 is horizontally arranged, the side wall of the upper material guiding portion 50 is arranged obliquely upward along the middle of the circumferential direction along the direction far away from the open end of the outer sleeve 2, an upper material guiding hole 51 is arranged at one end of the upper material guiding portion 50 close to the operation hole 10, an openable upper door body 52 is hinged to the upper material guiding hole 51, a rotating rod 42 is rotatably connected to the middle of the rotating screen 41 along the length direction (specifically, the middle of the rotating screen 41 along the length direction is fixedly connected to the rotating cylinder, the rotating rod 42 is sleeved in the rotating cylinder, the rotating rod 42 is rotatably arranged relative to the rotating cylinder), two ends of the rotating rod 42 are fixedly connected to the side wall of the supporting shell 1, two end surfaces of the supporting shell 1 are respectively provided with a positioning strip 43, the fixing strips are arranged along the width direction of the rotating screen 41, when the rotating screen 41 is rotated to make the rotating screen 41 parallel to the fixed screen 40 (as shown in fig. 1, rotary screen 41 is horizontally arranged), the bottom surface of the positioning strip 43 close to one end surface of the motor of the support shell 1 is abutted against the top surface of the plastic rotary screen 41, the top surface of the positioning strip 43 far away from one end surface of the motor of the support shell 1 is abutted against the bottom surface of the rotary screen 41, the circumferential cooperation of the rotary screen 41 is abutted against the two positioning strips 43 and the side wall of the support shell 1 is slidably abutted against the side wall, the third screening cavity 7 comprises a rectangular cavity 70 and a derivation cavity 71 which are arranged along the direction far away from the positioning strips 43, the rectangular cavity 70 is rectangular, the rectangular cavity 70 is positioned below the positioning strip 43 close to one end surface of the motor of the support shell 1 and is provided with a limiting strip 44, the limiting strip 44 is parallel to the positioning strips 43 and rotates the rotary screen 41, the rotary screen 41 is close to one end of the limiting strip 44 and is abutted against the limiting strip 44, the arc-shaped side wall of the derivation cavity 71 is obliquely arranged to form a, when the fixed screen 40 is horizontally arranged, the side wall of the lower material guiding part 72 is obliquely and upwardly arranged along the middle part of the circumferential direction along the direction far away from the open end of the outer sleeve 2, a lower material guiding hole 73 is arranged at one end, which is close to the operation hole 10, of the third screening chamber 7, an openable lower door body 74 is hinged to the lower material guiding hole 73, an opening 75 is arranged on the lower door body 74 in a penetrating manner, and when the lower door body 74 is closed, the opening 75 is overlapped with one end, which is close to the operation hole 10, of the lower material guiding chamber;
wherein, the aperture of the mesh of the fixed screen 40 is larger than that of the mesh of the rotary screen 41, the specific aperture is set according to the requirement of screening materials, and the rotary screen 41 is made of stainless steel material containing at least 40% of iron; the stopper bar 44 and the at least one positioning bar 43 are made of a magnetic material.
In the above technical scheme, rotating electrical machines 3 is outage brake motor, the break-make of its accessible controller control power, support shell 1 and set up outer feed inlet near a terminal surface of rotating electrical machines 3, outer feed inlet is located handle hole 10 top, an end face that outer sleeve 2 is close to outer import material is seted up the interior feed inlet that matches with outer feed inlet, intercommunication inlet pipe between outer feed inlet and interior feed inlet, in the use, includes following step:
s1, feeding; starting the rotating motor 3 to enable the fixed screen 40 to be horizontally arranged and located above the rotating screen 41, starting the upper door body 52 to expose the upper material guide holes 51, feeding materials into the first screening cavity 5 through the feeding pipe and the upper material guide holes 51, and then closing the upper door body 52;
s2, screening: the rotating motor 3 is started, the fixed screen 40 is controlled to rotate within an included angle range of 60 degrees up and down on the horizontal plane, part of materials in the first screening cavity 5 enter the second screening cavity 6 through the holes of the fixed screen 40, part of materials in the second screening cavity 6 enter the third screening cavity 7 through the rotating screen 41, and the materials entering the third screening cavity 7 enter the outer sleeve 2 through the lower guide cylinder and the opening 75;
s3, discharging: rotating to the horizontal position of the fixed screen 40, opening the outer door body 22 and guiding out the materials in the outer sleeve 2;
opening a lower door body 74, synchronously pressing a rotary screen 41 downwards, wherein one end, close to the limiting strip 44, of the rotary screen 41 is abutted against the limiting strip 44, and the materials are led out through a lower material guide hole 73 between the positioning strip 43 and the limiting strip 44, so that the materials in the second screening cavity 6 are collected;
and closing the lower door body 74, rotating to the horizontal position of the fixed screen 40, and being positioned below the rotary screen 41, opening the upper door body 52, and further collecting the materials in the first screening chamber 5. Adopt this kind of technical scheme, establish outer sleeve 2, inner skleeve 4 approximate coaxial cover, set up the classification of two-stage three kinds (the secondary screening obtains three kinds of not equidimension materials) of material in the finite space realization in the inner skleeve 4 of two-stage screen cloth, set up the two-stage screen cloth in the inner skleeve 4, and rotary screen 41 passes through location strip 43 and spacing strip 44 control, cooperate the door 52, the lower door 74 sets up, when realizing the feeding to inner skleeve 4, to first screening chamber 5, the second screens chamber 6, and the material in the third screening chamber 7 is derived under the unmixing state fast.
In another technical scheme, the operation hole 10 is a rectangular hole, the length of the side of the operation hole in the horizontal direction is equal to the length of the inner circumference of the end surface of the support shell 1, and the distance from the top surface of the operation hole 10 to the fixed rod 11 is 2-4 cm. By adopting the scheme, the size of the operation hole 10 is limited, so that the installation stability is met, and meanwhile, the later-stage discharging effect is improved.
In another technical solution, the outer sleeve 2 and the inner sleeve 4 are close to the corresponding material guiding portions (the outer sleeve 2 corresponds to the outer material guiding portion 20, the inner sleeve 4 corresponds to the upper material guiding portion 50 and the lower material guiding portion 72), the side walls of the tips of the outer sleeve 2 and the inner sleeve 4 are respectively provided with a pair of fixing holes 8 which are coaxially arranged in a penetrating manner, a screw 80 is arranged through the pair of fixing holes 8, and the screw 80 is fixed by a nut to close the corresponding door body (the outer door body 22 corresponds to the outer material guiding portion 20 of the outer sleeve 2, the upper door body 52 corresponds to the upper material guiding portion 50 of the inner sleeve 4, and the lower door body 74 corresponds to the lower material guiding portion 72 of the inner sleeve 4). By adopting the scheme, when the corresponding door body is closed, the screw 80 penetrates through the pair of fixing holes 8 and is fixed through the screw cap, and at the moment, the screw 80 is abutted against the outer side wall of the corresponding door body to fix the closed door body.
In another technical solution, the outer material guiding portion 20 of the outer sleeve 2 and the tip ends of the upper material guiding portion 50 and the lower material guiding portion 72 of the inner sleeve 4 are fixedly connected to a retractable material guiding plate 9, and when the material guiding plate 9 is completely retracted, the free end of the material guiding plate 9 is flush with the end of the material guiding portion (the outer material guiding portion 20 of the outer sleeve 2 and the tip ends of the upper material guiding portion 50 and the lower material guiding portion 72 of the inner sleeve 4) correspondingly mounted. By adopting the scheme, the material guide plate 9 is convenient for guiding out materials.
In another technical scheme, the material guide plate 9 is formed by sequentially connecting a plurality of V-shaped plates in a sliding manner. By adopting the scheme, the operation is convenient.
In another technical scheme, a baffle 90 is extended from a tip end of the corresponding door body, so that when the corresponding door body is closed, the baffle can be stopped to enable the corresponding material guide plate 9 to be contracted and fixed. By adopting the scheme, the corresponding guide plate 9 is closed and fixed through the closing and fixing of the corresponding door body.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the tertiary screen cylinder for materials of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. Three-level material screening cylinder, which is characterized by comprising:
the supporting shell is in a horizontally placed regular quadrangular prism shape, an operation hole is formed in the middle lower portion of one end of the supporting shell, and a fixing rod is coaxially and fixedly arranged on one end face, in which the operation hole is formed, of the supporting shell;
one end of the outer sleeve is open and horizontally arranged in the supporting shell, the open end of the outer sleeve is coaxially and fixedly arranged on the other end surface of the supporting shell, the other end of the outer sleeve is fixedly penetrated on the fixing rod, one end of the fixing rod, which is positioned in the outer sleeve, is fixedly provided with a rotating motor, a rotating shaft of the rotating motor is coaxially and fixedly connected with a supporting rod, and the other end of the supporting rod is rotatably connected with the other end surface of the supporting shell;
an inner sleeve horizontally arranged in the outer sleeve, wherein both ends of the inner sleeve are fixedly connected with the supporting rod, a fixed screen and a rotary screen are arranged in the inner sleeve at intervals along the radial direction of the inner sleeve to sequentially divide the space in the inner sleeve into a first screening cavity between the fixed screen and the side wall of the supporting shell, a second screening cavity between the fixed screen and the rotary screen and a third screening cavity between the rotary screen and the side wall of the supporting shell, the fixed screen is arranged in parallel with the supporting rod, the arc-shaped side wall of the first screening cavity is obliquely arranged to form an upper material guide part, when the fixed screen is horizontally arranged, the side wall of the upper material guide part is obliquely and upwards arranged along the direction far away from the opening end along the middle part in the circumferential direction, an upper material guide hole is arranged at one end penetrating through the upper material guide part and close to the operating hole, and an upper door body is hinged on the upper material guide hole, the rotary screen is rotatably connected with a rotary rod along the middle part of the length direction, the two ends of the rotary rod are fixedly connected with the side wall of the support shell, the two end surfaces of the support shell are respectively provided with a positioning strip, when the rotary screen is parallel to the fixed screen, the bottom surface of the positioning strip, which is positioned at one end surface of the rotary motor, close to the support shell is abutted against the top surface of the rotary screen, the top surface of the positioning strip, which is positioned at one end surface of the rotary motor, far away from the support shell is abutted against the bottom surface of the rotary screen, the third screening cavity comprises a rectangular cavity and a derivation cavity, which are arranged along the direction far away from the positioning strip, the rectangular cavity is positioned below the positioning strip, which is positioned at one end surface of the rotary motor, close to the support shell, and is provided with a limiting strip, the rotary screen is rotated, one end of the rotary screen, which is abutted against, when the fixed screen is horizontally arranged, the side wall of the lower material guiding part is obliquely and downwards arranged along the middle part of the circumferential direction along the direction far away from the open end of the outer sleeve, a lower material guiding hole is arranged at one end, which is close to the operation hole, of the third screening cavity in a penetrating manner, a lower door body is hinged to the lower material guiding hole, an opening is arranged in the lower door body in a penetrating manner, and when the lower door body is closed, the opening is superposed with one end, which is close to the operation hole, of the lower material guiding cavity;
wherein the aperture of the mesh of the fixed screen is larger than that of the mesh of the rotating screen, and the rotating screen is made of a stainless steel material containing at least 40% of iron; the limiting strip and at least one positioning strip are made of magnetic materials.
2. A tertiary screening drum for materials according to claim 1, wherein the operation hole is a rectangular hole with a side length in the horizontal direction equal to the side length of the inner circumference of the end surface of the supporting shell, and the distance from the top surface of the operation hole to the fixed rod is 2-4 cm.
3. A three-stage material screening drum as claimed in claim 1, wherein a pair of coaxially arranged fixing holes are respectively formed through the outer sleeve and the inner sleeve near the side walls corresponding to the tip ends of the material guiding parts, and a screw rod is arranged through the pair of fixing holes and fixed by a nut to close the corresponding door body.
4. A three-stage material screening drum as claimed in claim 1, wherein the outer material guiding portion of the outer sleeve, and the tip ends of the upper material guiding portion and the lower material guiding portion of the inner sleeve are fixedly connected with retractable material guiding plates, and when the material guiding plates are fully retracted, the free ends of the material guiding plates are flush with the end portions of the corresponding material guiding portions.
5. A tertiary screening drum for materials according to claim 4 wherein the material guide plate is composed of a plurality of V-shaped plates which are connected in sequence in a sliding manner.
6. A tertiary screening drum for materials according to claim 5, wherein a baffle plate is extended from the tip of the corresponding door body, so that when the corresponding door body is closed, the baffle plate can be stopped to make the corresponding material guide plate shrink and be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111085431B (en) * | 2019-12-02 | 2021-02-09 | 安徽慧枫再生资源科技有限公司 | Guide transfer equipment of resistance melting holding furnace |
| CN114632690B (en) * | 2022-03-23 | 2022-12-13 | 福建主播农业科技有限公司 | Seed sieving mechanism |
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Effective date of registration: 20210722 Address after: 311215 room a-b102-784, No. 198, Qidi Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Province Patentee after: HANGZHOU TIANSHIYI TECHNOLOGY Co.,Ltd. Address before: 530225 plot b-1-7, Mingyang Second Road, Mingyang Industrial Zone, Nanning Economic and Technological Development Zone, Guangxi Zhuang Autonomous Region Patentee before: Huang Guangbao |