CN117548339B - Powder raw material screening device based on civil explosion production usefulness - Google Patents
Powder raw material screening device based on civil explosion production usefulness Download PDFInfo
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- CN117548339B CN117548339B CN202410046868.9A CN202410046868A CN117548339B CN 117548339 B CN117548339 B CN 117548339B CN 202410046868 A CN202410046868 A CN 202410046868A CN 117548339 B CN117548339 B CN 117548339B
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- 238000012216 screening Methods 0.000 title claims abstract description 111
- 239000002994 raw material Substances 0.000 title claims abstract description 88
- 239000000843 powder Substances 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000004880 explosion Methods 0.000 title description 4
- 239000002360 explosive Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000007873 sieving Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 description 22
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a powder raw material screening device based on civil explosive production, which relates to the technical field of civil explosive powder raw material screening and comprises a screening machine base body, wherein a screening machine case is fixedly arranged at the upper part of the screening machine base body, a discharging mechanism is fixedly arranged on the screening machine case and used for screening and discharging civil explosive powder raw materials, a feeding port is formed in the top of the screening machine case, the discharging mechanism comprises a guide disc welded at the bottom end of an inner cavity of the screening machine case, and a discharging port is welded on the inner wall of the bottom end of the guide disc. This powder raw materials sieving mechanism based on civil explosive production is used through last actuating mechanism, screening mechanism and the cooperation of dredging screening mechanism, not only can separate the screening to the powder in the civil explosive powder raw materials and caking raw materials, can also carry out the material and dredge, improves the inside efficiency of dredging of screening in-process device, promotes the screening discharge efficiency of the civil explosive powder raw materials of device screening through the cooperation between the structure.
Description
Technical Field
The invention relates to the technical field of civil explosive powder raw material screening, in particular to a powder raw material screening device for civil explosive production.
Background
Civil explosive is a short name of civil explosive, namely various civil explosives, detonators and similar fire products, and the civil explosive is a general name of various industrial explosives, industrial explosives and products, and is divided into more than 400 kinds of products in eight categories, namely special commodities with flammable and explosive dangerous properties, the civil explosive is widely applied to mining of coal, metal, nonmetal and the like, and infrastructure of highways, railways, water conservancy and the like, the civil explosive is generally selected as an internal detonating inner filler, and when the black powder is applied to production of the civil explosive, the black powder generally exists in a powder form, so that the pure of the raw materials of the civil explosive is ensured, and the civil explosive needs to be screened by using a powder screening device.
Because civil explosive raw materials are powdered, caking condition does not avoid occurring due to external factors in daily storage process, and current sieving mechanism can only separate and screen the powder in the civil explosive raw materials and caking raw materials, not only the functionality is single, still lacks effectual material and dredges the measure, can't give consideration to the inside dredging efficiency of sieving in-process device, can't promote the screening discharge efficiency of the civil explosive raw materials of device screening through the cooperation between the structure to influence holistic screening production efficiency.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a powder raw materials sieving mechanism based on civil explosive production usefulness, includes sieve separator base main part, the upper portion fixed mounting of sieve separator base main part has the sieve separator machine case, fixed mounting has discharge mechanism on the sieve separator machine case for the screening of civil explosive powder raw materials is discharged, the feed inlet has been seted up at the top of sieve separator machine case, discharge mechanism is including the guide tray of welding in sieve separator machine case inner chamber bottom, the welding has the discharge gate on the bottom inner wall of guide tray, the discharge gate extends to the outside of sieve separator machine case and with the inner wall fixed connection of sieve separator machine case, through the setting of guide tray, can assist the discharge of the civil explosive powder raw materials after the screening for the raw materials can assemble fast and discharge in discharge gate department, upper driving mechanism is detachably installed at the top of sieve separator machine case;
the screening mechanism is rotatably arranged on the inner wall of the guide disc and is arranged in the screening machine case and used for scattering and guiding the powder raw materials of the detonators to assist in discharging;
the screening mechanism is detachably arranged in the screening machine case and is used for screening raw powder materials for civil explosion production, the screening mechanism comprises a first-stage screen fixedly arranged at the top end of the inner cavity of the screening machine case and a second-stage screen arranged below the first-stage screen, the mesh number of the second-stage screen is larger than that of the first-stage screen, and auxiliary buffeting assemblies are fixedly arranged at the bottoms of the first-stage screen and the second-stage screen; through the cooperation use of last actuating mechanism, screening mechanism and sparse screening mechanism, not only can separate the screening to the powder in the civil explosive powder raw materials and caking raw materials, can also carry out the material and dredge, improve the inside efficiency of dredging of screening in-process device, promote the screening discharge efficiency of the civil explosive powder raw materials of device screening through the cooperation between the structure.
Preferably, the screening machine base main body comprises a base arranged below the screening machine case, the bottom surface of the inner cavity of the base is fixedly provided with a balancing weight, the top of the base is fixedly provided with vibrating screen springs which are arranged at equal intervals, the top of the vibrating screen springs is fixedly connected with the bottom surface of the screening machine case, the top of balancing weight be provided with guide plate bottom fixed connection's vibrating motor for provide vibrating force drive arrangement vibration screening, through vibrating force that vibrating motor produced, with vibrating screen spring cooperation, make screening machine case and inside powder raw materials produce the vibration.
Preferably, the upper driving mechanism comprises a cover detachably arranged at the top of the screening machine case, a driving motor is fixedly arranged at the top of an inner cavity of the cover, a rotating shaft is fixedly arranged on an output shaft of the driving motor, a slot is formed in the bottom of the rotating shaft, a dust-proof sleeve plate is fixedly arranged at the top of the inner cavity of the cover, and the outer surface of the dust-proof sleeve plate is rotationally connected with the inner wall of the rotating shaft.
Preferably, the surface of axis of rotation rotates with the inner wall of one-level screen cloth to be connected, the surface of swivel post rotates with the inner wall of second grade screen cloth to be connected, uses through driving motor and axis of rotation's cooperation for dredge the sieve mechanism and rotate, stir the civil explosive powder raw materials on the second grade screen cloth, assist the dredging of carrying out civil explosive powder raw materials.
Preferably, the auxiliary buffeting component comprises a casing fixedly installed on the bottom surface of a first-stage screen and a second-stage screen, a mounting frame is fixedly installed on the bottom end of the inner surface of the casing, a screen fixedly connected with the inner surface of the casing is fixedly connected to the outer part of the mounting frame, rubber matched blocks are arranged between the screen and the first-stage screen and between the screen and the second-stage screen, the mesh numbers of the first-stage screen and the mesh numbers of the bottom screen are the same, the mesh numbers of the second-stage screen and the mesh numbers of the bottom screen are the same, the powder raw materials are screened out of caking raw materials and large-grain-size impurities through the first-stage screen, and the second-stage screen is adopted for secondary screening.
Preferably, the connecting assembly comprises a jack post fixedly installed at the top of the rotating post, the top of the jack post is fixedly connected with an inserting block, the outer surface of the inserting block is in adaptive connection with the inner wall of the slot at the bottom of the rotating shaft, and the inserting block is matched with the slot at the bottom of the rotating shaft, so that the set overall disassembling convenience is increased, and the inside of the device is convenient to clean and maintain.
Preferably, the stirring and scattering assembly comprises a stirring roller movably mounted outside the rotary column, the bottom surface of the stirring roller is in contact with the upper surface of the secondary screen, the top of the stirring roller is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a fixing plate, the fixing plate is close to the inner wall of one end of the rotary column, a rolling shaft is rotatably connected with the inner wall of the fixing plate, the outer surface of the rolling shaft is movably connected with the top of the rotary column, and a plurality of arc-shaped protruding blocks which are arranged at equal intervals are fixedly connected with the top of the rotary column.
Preferably, the dredging component comprises a first telescopic sleeve rod fixedly connected to the bottom surface of the top column, a transverse plate is movably sleeved on the bottom end of the outer surface of the first telescopic sleeve rod, and the bottom surface of one end of the transverse plate, far away from the top column, is fixedly connected with the top of the fixing plate.
Preferably, the bottom surface fixedly connected with second flexible loop bar of first flexible loop bar, just the bottom fixedly connected with and jack-up post surface fixed connection's folded plate of second flexible loop bar, the outside of second flexible loop bar is provided with the elasticity fagging of top and first flexible loop bar bottom surface fixed connection, the bottom surface of elasticity fagging and the top fixed connection of folded plate, just elasticity fagging is provided with a plurality of, equidistant setting, through the rotation of jack-up post for first flexible loop bar and diaphragm rotate to drive fixed plate and roller bearing rotation, utilize the contact with arc lug when the roller bearing rolls, the first flexible loop bar shrink of extrusion, and the jack-up is pulled the flexible of second flexible loop bar, because elasticity fagging possesses elasticity, the deformation that the cooperation elasticity fagging produced, lifting link and stirring roller make the stirring roller break away from the secondary screen cloth, receive the pulling force that elastic fagging resumes deformation and produce, drive stirring roller striking secondary screen cloth, supplementary vibration powder raw materials when stirring.
The invention provides a powder raw material screening device for civil explosion-based production. The beneficial effects are as follows:
1. this powder raw materials sieving mechanism based on civil explosive production is used through last actuating mechanism, screening mechanism and the cooperation of dredging screening mechanism, not only can separate the screening to the powder in the civil explosive powder raw materials and caking raw materials, can also carry out the material and dredge, improves the inside efficiency of dredging of screening in-process device, promotes the screening discharge efficiency of the civil explosive powder raw materials of device screening through the cooperation between the structure.
2. This powder raw materials sieving mechanism based on civil explosive production usefulness, vibration force through vibrating motor produces, with vibrating screen spring cooperation, make sieve machine case and inside powder raw materials produce the vibration, make powder raw materials remove caking raw materials and big particle diameter impurity wherein through the screen cloth of one-level, and adopt the secondary screen cloth to carry out secondary screening, because the mesh number of secondary screen cloth is greater than the mesh number of one-level screen cloth, can further screen the civil explosive powder raw materials that screens in the one-level screen cloth, utilize the vibration of equipment simultaneously, make rubber join in marriage the piece shake in the cover shell, impact screen cloth and impact one-level screen cloth respectively, the secondary screen cloth, not only accelerate the screening efficiency of civil explosive powder raw materials, also can play the effect of the caking powder raw materials of vibration dissipation.
3. This powder raw materials sieving mechanism based on civil explosive production is used through driving motor and axis of rotation's cooperation for jack-prop and revolving column rotate, and then drive and dredge subassembly and dial the material roller and rotate, stir civil explosive powder raw materials on the second grade screen, assist to dredge civil explosive powder raw materials.
4. This powder raw materials sieving mechanism based on civil explosive production is used, through the rotation of jack-up, make first flexible loop bar and diaphragm rotate, and drive fixed plate and roller bearing and rotate, utilize the roller bearing to roll the time with the contact of arc lug, extrude first flexible loop bar shrink, and prop the flexible loop bar of pulling second, the deformation that the cooperation elastic support plate produced, lifting link and stirring roller, make stirring roller break away from the second screen cloth, through the arc lug, receive the traction force that elastic support plate resumes deformation and produce, drive stirring roller striking second screen cloth, thereby supplementary vibration scattered civil explosive powder raw materials in the stirring, and then improve the screening discharge efficiency of civil explosive powder raw materials.
5. This powder raw materials sieving mechanism based on civil explosive production usefulness, through the setting of guide tray, the discharge of civil explosive powder raw materials after can assisting the screening for the raw materials can assemble fast and discharge in discharge gate department, in addition, utilizes the adaptation of inserted block and axis of rotation bottom slot, makes the whole dismantlement convenience increase of setting, and is convenient for clear up and maintain inside equipment.
Drawings
FIG. 1 is a schematic diagram of the external structure of a powder raw material screening device for civil explosive production;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of the discharge mechanism and the screening mechanism of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the upper drive mechanism, screening mechanism and screening mechanism of the present invention;
FIG. 5 is a schematic view of the exploded construction of the upper drive mechanism and the sifting mechanism of the present invention;
FIG. 6 is a schematic perspective view of a screening mechanism according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;
FIG. 8 is a schematic perspective view of the evacuation module, mounting plate and roller of the present invention;
FIG. 9 is a schematic perspective view of an auxiliary buffeting assembly of the present invention.
In the figure: 1. a screening machine base body; 11. a base; 12. balancing weight; 13. a vibrating screen spring; 14. a vibration motor; 2. a screening machine housing; 3. a discharging mechanism; 31. a discharge port; 32. a material guiding disc; 4. a feed inlet; 5. an upper driving mechanism; 51. a cover; 52. a driving motor; 53. a dust-proof sleeve plate; 54. a rotating shaft; 6. a screening mechanism; 61. a first-stage screen; 62. a second-stage screen; 63. an auxiliary buffeting assembly; 631. a casing; 632. screening a filter screen; 633. a mounting frame; 634. rubber matching blocks; 7. a screening mechanism; 71. a top column; 72. inserting blocks; 73. a rotating column; 74. a thinning assembly; 741. the first telescopic loop bar; 742. a cross plate; 743. the second telescopic loop bar; 744. an elastic support plate; 745. a folded plate; 75. a stirring roller; 76. arc-shaped protruding blocks; 77. a connecting frame; 78. a fixing plate; 79. and a roller.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
In a first embodiment, as shown in fig. 1 to 3, the present invention provides a technical solution: the utility model provides a powder raw materials sieving mechanism based on civil explosive production usefulness, including sieve separator base main part 1, sieve separator machine case 2 is fixed mounting in the upper portion of sieve separator base main part 1, fixed mounting has discharge mechanism 3 on the sieve separator machine case 2, be used for the screening of civil explosive powder raw materials to discharge, feed inlet 4 has been seted up at the top of sieve separator machine case 2, discharge mechanism 3 is including the guide tray 32 of welding in sieve separator machine case 2 inner chamber bottom, the welding has discharge gate 31 on the bottom inner wall of guide tray 32, discharge gate 31 extends to the outside of sieve separator machine case 2 and with the inner wall fixed connection of sieve separator machine case 2, through the setting of guide tray 32, can assist the discharge of civil explosive powder raw materials after the screening, make the raw materials can assemble fast and discharge in discharge gate 31 department, upper driving mechanism 5 is detachably installed at the top of sieve separator machine case 2;
the screening mechanism 7 is rotatably arranged on the inner wall of the material guiding disc 32 and is arranged in the screening machine case 2, and is used for scattering and guiding the explosive powder raw materials of the people to assist in discharging, the screening mechanism 7 comprises a rotary column 73 rotatably arranged on the inner wall of the top of the material guiding disc 32, a scattering component is movably arranged on the outer surface of the rotary column 73, a scattering component 74 fixedly connected with the top of the scattering component is arranged at the top of the rotary column 73, and a connecting component is fixedly arranged at the top of the rotary column 73;
the screening mechanism 6 is detachably arranged in the screening machine case 2 and is used for screening civil explosive powder raw materials, the screening mechanism 6 comprises a first-stage screen 61 fixedly arranged at the top end of the inner cavity of the screening machine case 2 and a second-stage screen 62 arranged below the first-stage screen 61, the mesh number of the second-stage screen 62 is larger than that of the first-stage screen 61, auxiliary buffeting components 63 are fixedly arranged at the bottoms of the first-stage screen 61 and the second-stage screen 62, and through the cooperation of the upper driving mechanism 5, the screening mechanism 6 and the screening mechanism 7, powder in civil explosive powder raw materials and caking raw materials can be separated and screened, material dredging can be carried out, the dredging efficiency in the screening process is improved, and the screening and discharging efficiency of the civil explosive powder raw materials screened by the device is promoted through cooperation between structures;
the screening machine base main body 1 is including setting up the base 11 in screening machine case 2 below, the inner chamber bottom surface fixed mounting of base 11 has balancing weight 12, the top fixed mounting of base 11 has equidistant sieve spring 13 that shakes that sets up, and the top of sieve spring 13 and screening machine case 2's bottom surface fixed connection, the top of balancing weight 12 is provided with the vibrating motor 14 with guide tray 32 bottom surface fixed connection for provide vibrating force drive arrangement vibration screening, the vibrating force that produces through vibrating motor 14 cooperates with sieve spring 13 for screening machine case 2 and inside powder raw materials produce the vibration.
During the use, the staff will wait to screen the civil explosive production powder raw materials and add into sieve machine case 2 via feed inlet 4, then start equipment, through vibrating force that vibrating motor 14 produced, with vibrating screen spring 13 cooperation, make sieve machine case 2 and inside powder raw materials produce the vibration, utilize screening mechanism 6 to vibrate the screening to the powder raw materials, and under last actuating mechanism 5 and the effect of dredging screening mechanism 7, stir the powder raw materials, accelerate the screening of powder raw materials, and in addition, the collection of the supplementary screening postcivil explosive powder raw materials of guide plate 32, make the raw materials can assemble fast and discharge in discharge gate 31 department.
In the second embodiment, as shown in fig. 2, 4 and 9, the upper driving mechanism 5 includes a cover 51 detachably mounted on the top of the screening machine case 2, a driving motor 52 is fixedly mounted on the top of an inner cavity of the cover 51, a rotating shaft 54 is fixedly mounted on an output shaft of the driving motor 52, a slot is provided at the bottom of the rotating shaft 54, a dust-proof cover 53 is fixedly mounted on the top of the inner cavity of the cover 51, and the dust-proof cover 53 is used for blocking the driving motor 52 to prevent the dust-proof cover 53 from adhering to the powder raw material of the people and causing potential safety hazard, and the outer surface of the dust-proof cover 53 is rotationally connected with the inner wall of the rotating shaft 54, the outer surface of the rotating shaft 54 is rotationally connected with the inner wall of the primary screen 61, and the outer surface of the rotating column 73 is rotationally connected with the inner wall of the secondary screen 62; the rotation of the output shaft of the driving motor 52 drives the rotation shaft 54 and the rotation of the sieving mechanism 7, so as to provide driving force for the sieving mechanism 7 to disperse the powder raw materials.
The auxiliary buffeting assembly 63 comprises a casing 631 fixedly arranged on the bottom surfaces of the first-stage screen 61 and the second-stage screen 62, a mounting bracket 633 is fixedly arranged on the bottom end of the inner surface of the casing 631, a screen filter screen 632 fixedly connected with the inner surface of the casing 631 is fixedly connected to the outer part of the mounting bracket 633, rubber matching blocks 634 are arranged between the screen filter screen 632 and the first-stage screen 61 and between the screen filter screen 632 and the second-stage screen 62, the mesh numbers of the first-stage screen 61 and the bottom screen filter screen 632 are the same, the powder raw materials are screened out through the first-stage screen 61 and the second-stage screen 62 through the arrangement of different mesh numbers of the first-stage screen 61 and the second-stage screen 62 during vibration screening, secondary screening is performed by utilizing the second-stage screen 62, and the mesh number of the second-stage screen 62 is larger than the mesh number of the first-stage screen 61, so that the civil explosive raw materials screened out from the first-stage screen 61 can be further screened out, meanwhile, the rubber matching blocks 634 are vibrated in the casing 631, the screen filter screen 632 and the primary screen 61 and the second-stage screen 62 are respectively impacted, the efficiency of the civil explosive raw materials can be accelerated, and the vibration effect of the raw materials can be achieved.
In the third embodiment, as shown in fig. 3-8, the connection assembly includes a top post 71 fixedly installed on the top of a rotating post 73, and the top of the top post 71 is fixedly connected with an insert block 72, and the outer surface of the insert block 72 is in adaptive insertion connection with the inner wall of the slot at the bottom of the rotating shaft 54; through the cooperation of the slot at the bottom of the rotating shaft 54 and the insert block 72, when the driving motor 52 drives the rotating shaft 54 to rotate, the jack post 71 can be driven to rotate, and the rotating post 73 and the stirring roller 75 are driven to rotate, so that the stirring operation of the powder raw materials is performed.
The stirring and scattering assembly comprises a stirring roller 75 movably arranged outside a rotating column 73, the bottom surface of the stirring roller 75 is in contact with the upper surface of a secondary screen 62, the top of the stirring roller 75 is fixedly connected with a connecting frame 77, the top end of the connecting frame 77 is fixedly connected with a fixing plate 78, the inner wall of one end, close to the rotating column 73, of the fixing plate 78 is rotatably connected with a rolling shaft 79, the outer surface of the rolling shaft 79 is movably connected with the top of the rotating column 73, and the top of the rotating column 73 is fixedly connected with a plurality of arc-shaped protruding blocks 76 which are arranged at equal intervals;
the dredging component 74 comprises a first telescopic sleeve rod 741 fixedly connected to the bottom surface of the top column 71, a transverse plate 742 is movably sleeved on the bottom end of the outer surface of the first telescopic sleeve rod 741, one end bottom surface of the transverse plate 742, far away from the top column 71, of the top fixed plate 78 is fixedly connected with a second telescopic sleeve rod 743, the bottom of the second telescopic sleeve rod 743 is fixedly connected with a folded plate 745 fixedly connected with the outer surface of the top column 71, an elastic supporting plate 744 is arranged on the outer portion of the second telescopic sleeve rod 743 and fixedly connected with the bottom surface of the first telescopic sleeve rod 741, the bottom surface of the elastic supporting plate 744 is fixedly connected with the top of the folded plate 745, the elastic supporting plate 744 is provided with a plurality of elastic supporting plates, the same interval arrangement is adopted, the first telescopic sleeve rod 741 and the second telescopic sleeve rod 743 are matched with an external sleeve and an internal sliding rod, so that the telescopic operation is completed, the first telescopic sleeve rod 741 and the transverse plate 742 rotate, the fixed plate 78 and the roller 79 rotate, the roller 79 rotate by utilizing contact with the arc-shaped lug 76 when the roller 79 rolls, the first telescopic sleeve rod 741 and the second telescopic sleeve rod 741 are extruded, the second telescopic sleeve rod 741 and the second telescopic sleeve rod 741 are extruded, and the elastic supporting plate 741 is extruded by the elastic supporting plate 744 is extruded, and the elastic supporting plate 75 is deformed, and the material is stretched out of the sieve material 75, and the material is expanded by the sieve material 75, and the elastic supporting plate 75 and the elastic supporting plate material is simultaneously, and the vibration material is expanded by the sieve material and the sieve material 75.
During the use, first staff adds the civil explosive production powder raw materials that wait to screen into sieve machine case 2 via feed inlet 4, starting equipment, vibration power through vibrating motor 14 production, with vibrating screen spring 13 cooperation, make sieve machine case 2 and inside powder raw materials produce the vibration, through the setting of the different mesh numbers of one-level screen cloth 61, second grade screen cloth 62, when vibration screening, make powder raw materials remove caking raw materials and big particle diameter impurity wherein through one-level screen cloth 61 sieve, utilize second grade screen cloth 62 to carry out the secondary screening, utilize equipment's vibration, make rubber join in marriage piece 634 shake in the cover shell 631, striking screen cloth 632 and striking one-level screen cloth 61 respectively, second grade screen cloth 62, accelerate the screening efficiency of explosive powder raw materials, and vibrate and scatter caking powder raw materials, through the cooperation of slot and insert piece 72 in axis of rotation 54 bottom, make driving motor 52 drive axis of rotation 54 when, can drive the jack-post 71 rotation, make first telescopic sleeve 741 and diaphragm 742 rotate, drive fixed plate 78 and roller 79 rotate, utilize the contact with lug 76 during the roller 79 roll, utilize the contact with bump 76, first telescopic sleeve 741 and take place at the same time, the top 75 is drawn off from the top 75, and the top 75 is connected to take over material, then take over the arc-up material is passed through to take up the top 75, and the elastic material is changed to take up the top 75, and then take up the top 75 is stretched out the top 75, and is connected with the top 75, and is changed at the top 75.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (3)
1. The utility model provides a powder raw materials sieving mechanism based on civil explosive production usefulness, includes sieve separator base main part (1), its characterized in that, sieve separator base main part (1) upper portion fixed mounting has sieve separator machine case (2), fixed mounting has discharge mechanism (3) on sieve separator machine case (2) for the screening of civil explosive powder raw materials is discharged, feed inlet (4) have been seted up at the top of sieve separator machine case (2), discharge mechanism (3) are including guide tray (32) of welding in sieve separator machine case (2) inner chamber bottom, the welding has discharge gate (31) on the bottom inner wall of guide tray (32), discharge gate (31) extend to the outside of sieve separator machine case (2) and with the inner wall fixed connection of sieve separator machine case (2), upper driving mechanism (5) are detachably installed at the top of sieve separator machine case (2);
the screening mechanism (7), the screening mechanism (7) is rotatably arranged on the inner wall of the material guiding disc (32) and is arranged in the screening machine case (2) and used for scattering and guiding the powder raw materials of a people to assist in discharging, the screening mechanism (7) comprises a rotary column (73) rotatably arranged on the inner wall of the top of the material guiding disc (32), a scattering component is movably arranged on the outer surface of the rotary column (73), a scattering component (74) fixedly connected with the top of the scattering component is arranged at the top of the rotary column (73), and a connecting component is fixedly arranged at the top of the rotary column (73);
screening mechanism (6), this screening mechanism (6) detachable installs in the inside of sieve separator machine case (2) for screening people explodes production powder raw materials, screening mechanism (6) are including first class screen cloth (61) of fixed mounting on sieve separator machine case (2) inner chamber top and set up second grade screen cloth (62) in first class screen cloth (61) below, the mesh number of second grade screen cloth (62) is greater than the mesh number of first class screen cloth (61), the bottom of first class screen cloth (61) and second grade screen cloth (62) is all fixed mounting has supplementary buffeting subassembly (63), go up actuating mechanism (5) including cover (51) of detachable installation at sieve separator machine case (2) top, the inner chamber top fixed mounting of cover (51) has driving motor (52), fixed mounting has axis of rotation (54) on the output shaft of driving motor (52), the slot has been seted up at the bottom of axis of rotation (54), the inner chamber top fixed mounting of cover (51) has sleeve plate (53), and the inner surface of sleeve plate (53) and the inner wall of rotation (54) of rotating shaft (54) are connected with the inner surface of second grade screen cloth (73) of rotating column (73), the connecting component comprises a jacking column (71) fixedly arranged at the top of a rotating column (73), a plug block (72) is fixedly connected to the top of the jacking column (71), the outer surface of the plug block (72) is in adaptive plug connection with the inner wall of a slot at the bottom of a rotating shaft (54), the poking component comprises a poking roller (75) movably arranged outside the rotating column (73), the bottom surface of the poking roller (75) is in contact with the upper surface of a second-stage screen (62), a connecting frame (77) is fixedly connected to the top of the poking roller (75), a fixed plate (78) is fixedly connected to the top of the connecting frame (77), a roller (79) is rotatably connected to the inner wall of one end of the fixed plate (78) close to the rotating column (73), the outer surface of the roller (79) is in movable connection with the top of the rotating column (73), a plurality of arc-shaped protruding blocks (76) which are arranged at equal intervals are fixedly connected to the top of the rotating column (73), the poking component (74) comprises a first telescopic rod (741) fixedly connected to the bottom surface of the jacking column (71), a telescopic rod (741) is arranged at the bottom surface of the first telescopic rod (741) far away from the first telescopic rod (741) and is fixedly connected to the first telescopic rod (741) at the top of the telescopic rod (741) at the top of the telescopic rod (741), and bottom fixedly connected with of second flexible loop bar (743) is with folded plate (745) of jack-prop (71) surface fixed connection, the outside of second flexible loop bar (743) is provided with top and first flexible loop bar (741) bottom fixedly connected's elastic supporting plate (744), the bottom of elastic supporting plate (744) and the top fixed connection of folded plate (745), just elastic supporting plate (744) are provided with a plurality of, equidistant setting.
2. The powder raw material screening device for civil explosive production according to claim 1, wherein: the screening machine base body (1) is including setting up base (11) in screening machine case (2) below, inner chamber bottom surface fixed mounting of base (11) has balancing weight (12), the top fixed mounting of base (11) has equidistant sieve spring (13) that shakes that set up, just the top of sieve spring (13) and the bottom surface fixed connection of screening machine case (2), the top of balancing weight (12) is provided with vibrating motor (14) with guide disc (32) bottom surface fixed connection for provide vibrating force drive arrangement vibration screening.
3. The powder raw material screening device for civil explosive production according to claim 1, wherein: the auxiliary buffeting assembly (63) comprises a casing (631) fixedly installed on the bottom surfaces of a primary screen (61) and a secondary screen (62), a mounting rack (633) is fixedly installed on the bottom end of the inner surface of the casing (631), a screen filter screen (632) fixedly connected with the inner surface of the casing (631) is fixedly connected to the outer part of the mounting rack (633), rubber matching blocks (634) are arranged between the screen filter screen (632) and the primary screen (61) and between the screen filter screen (62) and the secondary screen (62), the mesh number of the primary screen (61) is the same as that of the screen filter screen (632) at the bottom of the primary screen, and the mesh number of the screen filter screen (632) at the bottom of the secondary screen (62) is the same.
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