CN108576914B - Tobacco stem and stem head secondary screening device for tobacco processing based on shaking screening - Google Patents

Tobacco stem and stem head secondary screening device for tobacco processing based on shaking screening Download PDF

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Publication number
CN108576914B
CN108576914B CN201810544006.3A CN201810544006A CN108576914B CN 108576914 B CN108576914 B CN 108576914B CN 201810544006 A CN201810544006 A CN 201810544006A CN 108576914 B CN108576914 B CN 108576914B
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sieve
screen box
plate
fixedly connected
screen
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CN108576914A (en
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王朝建
季荣华
吕显强
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China Tobacco Jiangxi Industrial Co Ltd
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China Tobacco Jiangxi Industrial Co Ltd
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B5/00Stripping tobacco; Treatment of stems or ribs
    • A24B5/16Other treatment of stems or ribs, e.g. bending, chopping, incising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets

Abstract

The invention discloses a secondary screening device for tobacco stems and stems heads for tobacco processing based on shaking screening, and relates to the technical field of tobacco processing machinery. This tobacco stem and stalk head second grade screening plant for tobacco processing based on rocking screening, comprising a base plate, the top fixed mounting of bottom plate has rocking mechanism, and rocks the left and right sides at mechanism top and be provided with first sieve case and second sieve case respectively, the left side at first sieve case top alternates there is the pan feeding mouth, and the upper and lower both sides of pan feeding mouth respectively with the outside of first sieve case and the inner chamber intercommunication of first sieve case. This tobacco processing is with offal and first second grade screening plant of stalk based on rocking screening sets up through the below at first screen box and second screen box and rocks the mechanism, has effectively improved the screening efficiency of tobacco when guaranteeing to rock the range, has effectively solved the problem that vibration screening method amplitude is less to lead to tobacco screening efficiency lower among the prior art.

Description

Tobacco stem and stem head secondary screening device for tobacco processing based on shaking screening
Technical Field
The invention relates to the technical field of tobacco processing machinery, in particular to a secondary screening device for tobacco stems and stem heads for tobacco processing based on shaking screening.
Background
In the tobacco redrying processing process, a large number of vibrating screens are needed to screen out tobacco stems and stem heads in the sheet tobacco due to the processing technology requirements. The position where the tobacco leaves are connected with the tobacco stems is called as the stem head, and the tobacco stems are high in nicotine content and are proportioned to be used after being screened out.
Screening is carried out through the mode that the shale shaker vibrates in the screening process of tobacco often, and this kind of screening mode can't produce great amplitude because of technical limitation to lead to the screening inefficiency of tobacco, like chinese patent grant bulletin number is: the efficient vibrating screen for tobacco processing comprises a main shaft, a bearing shaft wheel connected with the main shaft and a metal mesh belt supported by the bearing shaft wheel, wherein the main shaft penetrates through the bearing shaft wheel to be connected with an auxiliary driving wheel, so that the metal mesh belt replaces a vibrating screen surface, but larger vibration amplitude cannot be generated, and the screening efficiency of tobacco cannot be guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a secondary screening device for tobacco stems and stem heads for tobacco processing based on shaking screening, which solves the problem of low tobacco screening efficiency caused by a vibration screening mode in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a tobacco stem and stalk second grade screening plant for processing based on rocking screening, includes the bottom plate, the top fixed mounting of bottom plate has rocking mechanism, and rocks the left and right sides at mechanism top and be provided with first sieve case and second sieve case respectively, the left side at first sieve case top alternates there is the pan feeding mouth, and the upper and lower both sides of pan feeding mouth respectively with the outside of first sieve case and the inner chamber intercommunication of first sieve case, the front and back both sides at bottom plate top respectively with the front and back both sides fixed connection of fixed frame bottom, the left side of second sieve case has been cup jointed on the right side of first sieve case inner chamber, and the junction of first sieve case and second sieve case is located fixed frame, the front and back both sides of first sieve case and second sieve case are all fixedly connected with two slide bars, and eight slide bars are a set of sliding connection in fixed frame's front and back both walls respectively.
The first screen plate and the second screen plate are respectively fixedly connected to one side of the first screen plate, which is opposite to the inner wall of the second screen plate, the front side and the rear side of the first screen plate and the second screen plate are respectively fixedly connected with baffle plates, the top parts of the first screen plate and the second screen plate are respectively embedded with screen meshes, the upper side and the lower side of the two screen meshes respectively penetrate through the upper side and the lower side of the top parts of the first screen plate and the second screen plate, the bottom of the left side of the first screen plate is provided with a first discharge hole, one side of the first discharge hole opposite to the first screen plate penetrates through the left side of the first screen plate and is communicated with the outside of the first screen plate, the utility model discloses a first discharge gate is provided with the collection jar in the one end below in the first screen box outside, and the right side fixed connection of collection jar is in the left side of first screen box, the bottom on second screen plate right side is provided with the second discharge gate, and the second discharge gate is on the back of the body one side of second screen plate extends to the right side of second screen box and communicates with the outside of second screen box mutually, the one end below that the second discharge gate is located the second screen box outside is provided with the stock guide, and the left side fixed connection of stock guide is on the right side of second screen box.
The left side of first screen box inner chamber bottom is provided with the collection case, and the bottom of collection case and the top sliding connection of pulley, the bottom fixed connection of pulley is on the interior bottom of first screen box, the position of first screen box front relative collection case articulates there is the chamber door, and the front and back both sides of chamber door run through the positive inside and outside both sides of first screen box respectively, the spring groove has all been seted up to the upper and lower both sides on first screen box right side, and equal fixedly connected with compression spring in two spring grooves, two the equal fixedly connected with buffer block of right-hand member of compression spring, the equal fixedly connected with connecting rod of upper and lower both sides of second screen box, and the left end of two connecting rods extends to two spring inslot respectively and through helping the interior bottom sliding connection in pulley and two spring grooves.
Preferably, the shaking mechanism comprises a supporting table, a push plate, a pin shaft, a linkage strip-shaped plate, first columnar pieces, connecting sleeves, movable rods, second columnar pieces, a sliding plate, a supporting seat, a lantern ring, a guide rod, a fixing piece and an air cylinder, wherein the bottom of the supporting table is fixedly connected with the middle part of the top of a bottom plate, the middle part of the top of the supporting table is movably connected with the bottom end of the pin shaft, the pin shaft is sleeved with the linkage strip-shaped plate, the left side and the right side of the top of the linkage strip-shaped plate are fixedly connected with the first columnar pieces, the two first columnar pieces are sleeved with the connecting sleeves, one opposite sides of the two connecting sleeves are respectively fixedly connected with the opposite ends of the two movable rods, the opposite ends of the two movable rods are fixedly connected with the second connecting sleeves, the second columnar pieces are inserted into the two second connecting sleeves, the bottom of two second column spare is fixed connection respectively at the top of two slide plates, and the equal fixedly connected with supporting seat in top of two slide plates, two the top of supporting seat respectively with the bottom fixed connection of first sieve case and second sieve case, two the below of slide plate all is provided with two guide bars, the equal fixedly connected with lantern ring in left and right sides of both sides around the slide plate bottom, and four lantern rings are two to cup joint respectively on two guide bars, the left and right sides both ends of guide bar are fixed connection with the opposite side of mounting and brace table respectively, and the bottom fixed connection of mounting is at the top of bottom plate, the top of mounting is provided with the cylinder, and the output of cylinder and one side fixed connection of push pedal, one side of push pedal looks back to the cylinder output is laminated with the left side of slide plate.
Preferably, the distance between two baffles on the first sieve plate is smaller than the distance between two baffles on the second sieve plate, and the length of the baffles is equal to the lengths of the first sieve plate and the second sieve plate.
Preferably, the material collecting box is located below the left side of the second sieve plate, the left side and the right side of the material collecting box are respectively connected with the opposite sides of the two limiting rods in a sliding mode, and the rear ends of the two limiting rods are fixedly connected to the rear side of the inner wall of the first sieve box.
Preferably, the first sieve plate and the second sieve plate are arranged in the cavity communicated with the first sieve box and the second sieve box in a staggered manner, the shapes of the first sieve plate and the second sieve plate are respectively in a left-high-right low shape and a left-low-right high shape, and the left side of the top of the first sieve plate is positioned below the feeding port.
Preferably, a gap is reserved between the top of the supporting table and the bottom of the linkage strip-shaped plate, and the tops of the two linkage strip-shaped plates are respectively kept at a distance from the bottoms of the first screen box and the second screen box.
Preferably, a gap is reserved between the bottoms of the movable rods and the top of the sliding plate, and a gap is reserved between the tops of the two movable rods and the bottoms of the first screen box and the second screen box respectively.
Preferably, the guide rod is parallel to the bottom plate, and a reinforcing rib is arranged below the connection part of the guide rod and the fixing piece.
The invention provides a secondary screening device for tobacco stems and stem heads for tobacco processing based on shaking screening. The beneficial effects are as follows:
(1) This tobacco processing is with offal and first second grade screening plant of stalk based on rocking screening sets up the mechanism of rocking through the below at first screen box and second screen box to can effectively make first screen box and second screen box make the lateral movement that relapse, set up the effect that can reach the second grade screening through the cooperation of first screen plate and second screen plate simultaneously, improve the screening efficiency of tobacco when guaranteeing to rock the range, effectively solved the vibration screening method amplitude among the prior art less and lead to the lower problem of tobacco screening efficiency.
(2) This tobacco processing is with offal and first second grade screening plant of stalk based on rocking screening sets up spring groove, compression spring and buffer block through at first screen box to and the cooperation setting of connecting rod and helping the pulley on the second screen box can effectively stabilize the rocking of first screen box and second screen box, can effectively avoid rocking the too big condition that leads to first screen box and second screen box collision damage of range simultaneously and appear.
(3) This tobacco processing is with offal and stalk head second grade screening plant based on rocking screening through setting up first discharge gate and second discharge gate to and collect jar and stock guide's cooperation setting, thereby can effectively collect and discharge the stalk head that sieves out through the screen cloth, effectively improved the device's use convenience.
(4) This tobacco processing is with offal and first second grade screening plant of stalk based on rocking screening through setting up brace table, round pin axle and linkage strip shaped plate to and the cooperation setting of first column, adapter sleeve, movable rod and second column, thereby can drive two movable rods and rotate when making the round pin axle rotate, and make two slip plates reverse slip drive first sieve case and second sieve case rock, effectively guaranteed the screening stability of device.
(5) This tobacco processing is with offal and first second grade screening plant of stalk based on rocking screening through setting up cylinder and push pedal to can effectively promote the sliding plate and remove on the guide bar, thereby make movable rod drive linkage strip shaped plate rotate on the round pin axle, can effectively stabilize the removal of sliding plate through setting up the guide bar simultaneously, thereby improved the screening stability of device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front elevational view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
fig. 5 is an enlarged view of the structure at C in fig. 1 according to the present invention.
In the figure: 1 bottom plate, 2 rocking mechanism, 3 first sieve case, 4 second sieve case, 5 pan feeding mouth, 6 fixed frame, 7 first sieve, 8 second sieve, 9 baffle, 10 screen cloth, 11 first discharge gate, 12 collection jar, 13 second discharge gate, 14 stock guide, 15 collection case, 16 pulley, 17 chamber door, 18 spring groove, 19 compression spring, 20 buffer block, 21 connecting rod, 22 helping pulley, 23 slide bar, 201 brace table, 202 push pedal, 203 round pin axle, 204 linkage strip shaped plate, 205 first column, 206 adapter sleeve, 206' second adapter sleeve, 207 movable rod, 208 second column, 209 sliding plate, 210 supporting seat, 211 lantern ring, 212 guide bar, 213 mounting, 214 cylinder.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a tobacco stem and stalk second grade screening plant for processing based on rocking screening, including bottom plate 1, the top fixed mounting of bottom plate 1 has rocking mechanism 2, and the left and right sides at rocking mechanism 2 top is provided with first screen box 3 and second screen box 4 respectively, the left side at first screen box 3 top alternates there is feed inlet 5, and the upper and lower both sides of feed inlet 5 respectively with the outside of first screen box 3 and the inner chamber intercommunication of first screen box 3, the front and back both sides at bottom plate 1 top respectively with the front and back both sides fixed connection of fixed frame 6 bottom, the left side of second screen box 4 has been cup jointed on the right side of first screen box 3 inner chamber, and the junction of first screen box 3 and second screen box 4 is located fixed frame 6, the front and back both sides of first screen box 3 and second screen box 4 are all fixedly connected with two slide bars 23, and eight 23 are respectively sliding connection in the front and back both walls of fixed frame 6 for a set up through 23 and fixed frame 6 can effectively stabilize and support the first screen box 3 and the device of this stable structure of moving of second screen box 4.
The first sieve plate 7 and the second sieve plate 8 are fixedly connected to one side of the first sieve plate 3 opposite to the inner wall of the second sieve plate 4 respectively, the front side and the rear side of the first sieve plate 7 and the second sieve plate 8 are fixedly connected with baffle plates 9, the shaking mechanism 2 is arranged below the first sieve plate 3 and the second sieve plate 4, so that the first sieve plate 3 and the second sieve plate 4 can effectively do repeated transverse movement, the effect of secondary screening can be achieved through the matching arrangement of the first sieve plate 7 and the second sieve plate 8, the screening efficiency of tobacco is improved while the shaking amplitude is ensured, the problem that the tobacco screening efficiency is low due to the small vibration screening amplitude in the prior art is effectively solved, the first sieve plate 7 and the second sieve plate 8 are arranged in the cavity communicated with the first sieve plate 3 and the second sieve plate 4 in a staggered mode, the shapes of the first sieve plate 7 and the second sieve plate 8 are respectively in a left-right low shape and a left-right-low shape, the left side at the top of the first sieve plate 7 is positioned below the feed inlet 5, the distance between two baffle plates 9 on the first sieve plate 7 is smaller than the distance between two baffle plates 9 on the second sieve plate 8, the length of the baffle plates 9 is equal to that of the first sieve plate 7 and that of the second sieve plate 8, the baffle plates 9 are arranged to effectively prevent materials from falling from the first sieve plate 7 and the second sieve plate 8, meanwhile, the normal movement of the first sieve plate 7 and the second sieve plate 8 can be effectively ensured, the top of the first sieve plate 7 and the top of the second sieve plate 8 are embedded with the screen cloth 10, the upper side and the lower side of the two screen cloth 10 respectively penetrate through the upper side and the lower side of the top of the first sieve plate 7 and the upper side and the lower side of the second sieve plate 8, the bottom at the left side of the first sieve plate 7 is provided with the first discharge hole 11, one side of the first discharge hole 11 opposite to the first sieve plate 7 penetrates through the left side of the first sieve box 3 and is communicated with the outside of the first sieve box 3, the first discharge gate 11 is located the one end below in the first screen box 3 outside and is provided with collects jar 12, and collect the right side fixed connection of jar 12 in the left side of first screen box 3, the bottom on second sieve 8 right side is provided with second discharge gate 13, and the second discharge gate 13 is opposite to the right side of second sieve 8 and with the outside intercommunication of second screen box 4, the one end below that second discharge gate 13 is located the second screen box 4 outside is provided with stock guide 14, and the left side fixed connection of stock guide 14 is on the right side of second screen box 4, through setting up first discharge gate 11 and second discharge gate 13, and collect jar 12 and stock guide 14's cooperation setting, thereby can effectively collect and discharge the stalk head that sieves out through screen cloth 10, the convenience of use of the device has effectively been improved.
The left side of the bottom of the inner cavity of the first screen box 3 is provided with a material collecting box 15, the bottom of the material collecting box 15 is in sliding connection with the top of a pulley 16, the material collecting box 15 is positioned below the left side of the second screen plate 8, the left side and the right side of the material collecting box 15 are respectively in sliding connection with the opposite sides of two limiting rods, the rear ends of the two limiting rods are fixedly connected to the rear side of the inner wall of the first screen box 3, the bottom of the pulley 16 is fixedly connected to the inner bottom of the first screen box 3, the front side of the first screen box 3 is hinged with a box door 17 relative to the position of the material collecting box 15, the front side and the rear side of the box door 17 respectively penetrate through the front side and the inner side and the outer side of the front side of the first screen box 3, the material collecting box 15 is conveniently taken out from the first screen box 3 through the box door 17, the use convenience of the device is effectively improved, the position of the material collecting box 15 in the first screen box 3 can be effectively limited through the matching arrangement of the limiting rods, the spring groove 18 has all been seted up to the upper and lower both sides on first screen box 3 right side, and the equal fixedly connected with compression spring 19 in two spring grooves 18, the equal fixedly connected with buffer block 20 in the right-hand member of two compression springs 19, the equal fixedly connected with connecting rod 21 in the upper and lower both sides of second screen box 4, and the left end of two connecting rods 21 extends to in two spring grooves 18 respectively and through helping pulley 22 and the interior bottom sliding connection of two spring grooves 18, through set up spring groove 18 in first screen box 3, compression spring 19 and buffer block 20, and the cooperation setting of connecting rod 21 and helping pulley 22 on second screen box 4 can effectively stabilize the rocking of first screen box 3 and second screen box 4, can effectively avoid rocking the too big condition that leads to first screen box 3 and second screen box 4 collision damage that appears simultaneously.
The shaking mechanism 2 comprises a supporting table 201, a push plate 202, a pin shaft 203, a linkage strip-shaped plate 204, a first column-shaped piece 205, a connecting sleeve 206, a movable rod 207, a second column-shaped piece 208, a sliding plate 209, a supporting seat 210, a lantern ring 211, a guide rod 212, a fixing piece 213 and an air cylinder 214, wherein the bottom of the supporting table 201 is fixedly connected with the middle part of the top of the bottom plate 1, the middle part of the top of the supporting table 201 is movably connected with the bottom of the pin shaft 203, the linkage strip-shaped plate 204 is sleeved on the pin shaft 203, the left side and the right side of the top of the linkage strip-shaped plate 204 are fixedly connected with the first column-shaped piece 205, a gap is reserved between the top of the supporting table 201 and the bottom of the linkage strip-shaped plate 204, the tops of the two linkage strip-shaped plates 204 are respectively kept at a distance from the bottoms of the first screen box 3 and the second screen box 4, normal rotation of the linkage strip-shaped plate 204 can be effectively ensured through such structural design, the structural design rationality of the device is effectively ensured, the connecting sleeves 206 are sleeved on the two first columnar pieces 205, one opposite sides of the two connecting sleeves 206 are fixedly connected with the opposite ends of the two movable rods 207 respectively, the opposite ends of the two movable rods 207 are fixedly connected with the second connecting sleeves 206', the two second connecting sleeves 206' are internally penetrated with the second columnar pieces 208, the bottom ends of the two second columnar pieces 208 are fixedly connected with the tops of the two sliding plates 209 respectively, the tops of the two sliding plates 209 are fixedly connected with the supporting seats 210, and the supporting tables 201, the pin shafts 203 and the linkage strip plates 204 are arranged, and the first columnar pieces 205, the connecting sleeves 206, the movable rods 207 and the second columnar pieces 208 are matched, so that the pin shafts 203 can rotate to drive the two movable rods 207 and the two sliding plates 209 reversely slide to drive the first screen box 3 and the second screen box 4 to shake, the screening stability of the device is effectively ensured, gaps are reserved between the bottoms of the movable rods 207 and the tops of the sliding plates 209, gaps are reserved between the tops of the two movable rods 207 and the bottoms of the first screen box 3 and the second screen box 4 respectively, the normal rotation of the movable rods 207 can be effectively ensured through the structural design, meanwhile, the design rationality of the movable rods 207 is effectively ensured, the tops of the two supporting seats 210 are fixedly connected with the bottoms of the first screen box 3 and the second screen box 4 respectively, two guide rods 212 are arranged below the two sliding plates 209, lantern rings 211 are fixedly connected to the left side and the right side of the front side and the rear side of the bottom of the sliding plates 209 respectively, and four lantern rings 211 are sleeved on the two guide rods 212 respectively, the left and right ends of the guide rod 212 are fixedly connected with opposite sides of the fixing piece 213 and the supporting table 201 respectively, the bottom of the fixing piece 213 is fixedly connected to the top of the bottom plate 1, the guide rod 212 is parallel to the bottom plate 1, a reinforcing rib is arranged below the joint of the guide rod 212 and the fixing piece 213, an air cylinder 214 is arranged at the top of the fixing piece 213, the output end of the air cylinder 214 is fixedly connected with one side of the push plate 202, one side of the push plate 202 opposite to the output end of the air cylinder 214 is attached to the left side of the sliding plate 209, the sliding plate 209 can be effectively pushed to move on the guide rod 212 through the air cylinder 214 and the push plate 202, the movable rod 207 drives the linkage strip plate 204 to rotate on the pin shaft 203, and meanwhile, the movement of the sliding plate 209 can be effectively stabilized through the guide rod 212, so that the screening stability of the device is improved.
When the shake screening-based tobacco stem and stem head secondary screening device works, tobacco is discharged into a first screen box 3 through a feed inlet 5, a pushing plate 202 is driven to move through the operation of an air cylinder 214, so that the pushing plate 202 pushes a sliding plate 209 to slide on a guide rod 212 through a lantern ring 211, a second column 208 drives a second connecting sleeve 206' to move, a movable rod 207 pushes a first column-shaped piece 205 through the connecting sleeve 206, a linkage strip-shaped plate 204 is pushed to rotate on a supporting table 201 through a pin shaft 203, a supporting seat 210 drives a first screen box 3 and a second screen box 4 to move reversely, a connecting rod 21 is driven to slide in a spring groove 18 through a pulley 22, a screen 10 screens stem heads out and the stem heads are discharged into a collecting cylinder 12 and a guide plate 14 through a first discharge hole 11 and a second discharge hole 13, and a box door 17 is opened to remove a collecting box 15 from the first screen box 3 through a pulley 16.
To sum up, this tobacco stem and stalk head secondary screening plant for tobacco processing based on rocking screening, through set up in the below of first sieve case 3 and second sieve case 4 and rock mechanism 2, effectively make first sieve case 3 and second sieve case 4 do the lateral movement that relapse, the cooperation setting through first sieve 7 and second sieve 8 has reached the effect of secondary screening simultaneously, improved the screening efficiency of tobacco when guaranteeing to rock the range, effectively solved the vibration screening method amplitude and less lead to the lower problem of tobacco screening efficiency among the prior art.
Simultaneously, through setting up first discharge gate 11 and second discharge gate 13 to and the cooperation setting of collection jar 12 and stock guide 14, effectively collected and discharged the stalk head of sieving out through screen cloth 10, effectively improved the use convenience of device.
Simultaneously, through set up spring groove 18, compression spring 19 and buffer block 20 in first screen box 3 to and the cooperation setting of connecting rod 21 and helping pulley 22 on the second screen box 4 has effectively stabilized the rocking of first screen box 3 and second screen box 4, has effectively avoided rocking the too big condition that leads to first screen box 3 and second screen box 4 collision damage of range to appear simultaneously.
Meanwhile, through the cooperation setting of the supporting table 201, the pin shaft 203 and the linkage strip-shaped plate 204, as well as the first columnar piece 205, the connecting sleeve 206, the movable rod 207 and the second columnar piece 208, when the pin shaft 203 rotates, the two movable rods 207 are driven to rotate, and the two sliding plates 209 reversely slide to drive the first screen box 3 and the second screen box 4 to shake, so that the screening stability of the device is effectively ensured.
Meanwhile, the air cylinder 214 and the push plate 202 are arranged, so that the sliding plate 209 is effectively pushed to move on the guide rod 212, the movable rod 207 drives the linkage strip plate 204 to rotate on the pin shaft 203, and meanwhile, the guide rod 212 is arranged to effectively stabilize the movement of the sliding plate 209, so that the screening stability of the device is improved.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment with a control function, such as a computer.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. Tobacco stem and stalk head secondary screening device for tobacco processing based on rock screening, including bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly provided with a shaking mechanism (2), the left side and the right side of the top of the shaking mechanism (2) are respectively provided with a first screen box (3) and a second screen box (4), the left side of the top of the first screen box (3) is penetrated with a feed inlet (5), the upper side and the lower side of the feed inlet (5) are respectively communicated with the outside of the first screen box (3) and the inner cavity of the first screen box (3), the front side and the rear side of the top of the bottom plate (1) are respectively fixedly connected with the front side and the rear side of the bottom of the fixed frame (6), the right side of the inner cavity of the first screen box (3) is sleeved with the left side of the second screen box (4), the joint of the first screen box (3) and the second screen box (4) is positioned in the fixed frame (6), two slide bars (23) are respectively connected to the front side and the rear side of the first screen box (3) and the second screen box (4), and eight slide bars (23) are respectively connected in a group of slide way in the front wall and the rear side of the fixed frame (6).
The utility model discloses a first sieve case (3) and second sieve case (4) inner wall opposite one side respectively fixedly connected with first sieve (7) and second sieve (8), and first sieve (7) and second sieve (8) the equal fixedly connected with baffle (9) in front and back both sides, first sieve (7) and second sieve (8)'s top all inlay screen cloth (10), and the upper and lower both sides of two screen cloth (10) run through first sieve (7) and second sieve (8) top upper and lower both sides respectively, first sieve (7) left bottom is provided with first discharge gate (11), and first discharge gate (11) run through first sieve case (3)'s left side and with the outside intercommunication of first sieve case (3) in one side of first sieve (7), first discharge gate (11) are located first sieve case (3) outside one end below and are provided with collection jar (12), and collection jar (12) right side fixed connection in first sieve case (3) left side and second sieve (8) top's upper and lower both sides, first sieve (13) are provided with second sieve (4) outside of second sieve (13) are located outside of second sieve case (4) and second sieve (13) outside extension (13), the left side of the material guide plate (14) is fixedly connected to the right side of the second screen box (4);
the left side of the inner cavity bottom of the first screen box (3) is provided with a material collecting box (15), the bottom of the material collecting box (15) is in sliding connection with the top of a pulley (16), the bottom of the pulley (16) is fixedly connected to the inner bottom of the first screen box (3), a box door (17) is hinged to the position of the front surface of the first screen box (3) relative to the material collecting box (15), the front side and the rear side of the box door (17) respectively penetrate through the inner side and the outer side of the front surface of the first screen box (3), spring grooves (18) are respectively formed in the upper side and the lower side of the right side of the first screen box (3), compression springs (19) are respectively fixedly connected to the two spring grooves (18), the right ends of the two compression springs (19) are respectively fixedly connected with buffer blocks (20), and the upper side and the lower side of the second screen box (4) are respectively connected with connecting rods (21), and the left ends of the two connecting rods (21) respectively extend into the two spring grooves (18) and are in sliding connection with the inner bottoms of the two spring grooves (18) through auxiliary pulleys (22);
the shaking mechanism (2) comprises a supporting table (201), a push plate (202), a pin shaft (203), a linkage strip-shaped plate (204), a first column-shaped piece (205), a connecting sleeve (206), a second connecting sleeve (206 '), a movable rod (207), a second column-shaped piece (208), a sliding plate (209), a supporting seat (210), a lantern ring (211), a guide rod (212), a fixing piece (213) and a cylinder (214), the bottom of the supporting table (201) is fixedly connected to the middle part of the top of the bottom plate (1), the middle part of the top of the supporting table (201) is movably connected with the bottom end of the pin shaft (203), the pin shaft (203) is sleeved with the linkage strip-shaped plate (204), the left side and the right side of the top of the linkage strip-shaped plate (204) are fixedly connected with the first column-shaped piece (205), the opposite sides of the two connecting sleeves (206) are fixedly connected with the opposite ends of the two movable rods (207), the opposite sides of the two connecting sleeves (206) are fixedly connected with the second connecting sleeve (206'), the opposite ends of the two column-shaped connecting sleeves (208 ') are fixedly connected to the two column-shaped pieces (208') respectively, the tops of the two sliding plates (209) are fixedly connected with supporting seats (210), the tops of the two supporting seats (210) are fixedly connected with the bottoms of the first screen box (3) and the second screen box (4) respectively, two guide rods (212) are arranged below the two sliding plates (209), lantern rings (211) are fixedly connected to the left side and the right side of the bottoms of the sliding plates (209), the two lantern rings (211) are sleeved on the two guide rods (212) respectively, the left end and the right end of each guide rod (212) are fixedly connected with opposite sides of a fixing piece (213) and a supporting table (201) respectively, the bottoms of the fixing pieces (213) are fixedly connected to the top of a base plate (1), an air cylinder (214) is arranged at the top of each fixing piece (213), the output end of each air cylinder (214) is fixedly connected with one side of a push plate (202), and one side of the push plate (202) opposite to the output end of each air cylinder (214) is attached to the left side of the sliding plate (209);
the first screen plate (7) and the second screen plate (8) are arranged in the cavity communicated with the first screen box (3) and the second screen box (4) in a staggered mode, the shapes of the first screen plate (7) and the second screen plate (8) are respectively in a left-high-right low shape and a left-low-right high shape, and the left side of the top of the first screen plate (7) is located below the feeding port (5).
2. The shaking screening-based tobacco processing tobacco stem and stem head secondary screening device according to claim 1, wherein: the distance between the two baffles (9) on the first sieve plate (7) is smaller than the distance between the two baffles (9) on the second sieve plate (8).
3. The shaking screening-based tobacco processing tobacco stem and stem head secondary screening device according to claim 1, wherein: the material collecting box (15) is located below the left side of the second sieve plate (8), the left side and the right side of the material collecting box (15) are respectively connected with the opposite sides of the two limiting rods in a sliding mode, and the rear ends of the two limiting rods are fixedly connected to the rear side of the inner wall of the first sieve box (3).
4. The shaking screening-based tobacco processing tobacco stem and stem head secondary screening device according to claim 1, wherein: a gap is reserved between the top of the supporting table (201) and the bottom of the linkage strip-shaped plate (204), and the tops of the two linkage strip-shaped plates (204) are respectively kept at a distance from the bottoms of the first screen box (3) and the second screen box (4).
5. The shaking screening-based tobacco processing tobacco stem and stem head secondary screening device according to claim 1, wherein: a gap is reserved between the bottoms of the movable rods (207) and the top of the sliding plate (209), and a gap is reserved between the tops of the two movable rods (207) and the bottoms of the first screen box (3) and the second screen box (4) respectively.
6. The shaking screening-based tobacco processing tobacco stem and stem head secondary screening device according to claim 1, wherein: the guide rod (212) is parallel to the bottom plate (1), and a reinforcing rib is arranged below the connection part of the guide rod (212) and the fixing piece (213).
CN201810544006.3A 2018-05-31 2018-05-31 Tobacco stem and stem head secondary screening device for tobacco processing based on shaking screening Active CN108576914B (en)

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