CN111420576A - Easily-disassembled rotor structure of vertical powerful mixer and disassembling and replacing method thereof - Google Patents
Easily-disassembled rotor structure of vertical powerful mixer and disassembling and replacing method thereof Download PDFInfo
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- CN111420576A CN111420576A CN202010383428.4A CN202010383428A CN111420576A CN 111420576 A CN111420576 A CN 111420576A CN 202010383428 A CN202010383428 A CN 202010383428A CN 111420576 A CN111420576 A CN 111420576A
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- wedge
- stirring knife
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0722—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis perpendicular with respect to the rotating axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/074—Stirrers characterised by their mounting on the shaft having two or more mixing elements being concentrically mounted on the same shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
- B01F27/1152—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with separate elements other than discs fixed on the discs, e.g. vanes fixed on the discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
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- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses an easy-to-disassemble rotor structure of a vertical powerful mixer and a disassembling and replacing method thereof, wherein the rotor structure comprises a spindle and a plurality of fixed disks which are vertically arranged, the fixed disks are connected with stirring knives, the lower end surfaces of the fixed disks are provided with first mounting grooves, the upper end surfaces of the fixed disks are provided with second mounting grooves, the acute angle between the central connecting line of the two first mounting grooves and the central connecting line of the two second mounting grooves is 60 degrees, the phase difference between the two fixed disks of every two adjacent layers is 120 degrees, the first mounting groove of each fixed disk is provided with one stirring knife, and the second mounting groove is provided with a wedge block; and a bottom tray is further installed on the lower side of the bottommost fixed disc, and a wedge block is installed in a third installation groove in the bottom tray. The rotor structure greatly reduces the workload and time consumption when the stirring knife is replaced, effectively improves the replacement efficiency of the stirring knife, and reduces the labor intensity of workers.
Description
Technical Field
The invention relates to the technical field of mixing equipment, in particular to an easily-disassembled rotor structure of a vertical intensive mixer and a disassembling and replacing method thereof.
Background
In the pellet production, a small amount of additives are added into fine-ground iron concentrate powder or other iron-containing powder, then the fine-ground iron concentrate powder or other iron-containing powder is mixed by using a vertical intensive mixer, then the mixture is rolled in a pelletizer to generate pellets, and after drying and roasting, the pellets are consolidated into spherical iron-containing raw materials with certain strength and metallurgical performance, so that pellet ore is generated.
The pelletizing process has extremely high requirements on raw material mixing equipment, on one hand, the yield is high, and on the other hand, the mixing requirement is high, so that the key to producing high-quality pellets is to ensure good mixing effect of pellet raw material concentrate powder and bentonite, and the vertical intensive mixer is one of key equipment influencing the material mixing effect on a pellet production line.
The main shaft of the rotor of the existing vertical type powerful mixer is provided with a plurality of fixed disks from top to bottom, the fixed disks are provided with a plurality of stirring blades, and the stirring blades belong to easily-worn parts, so that the vertical type powerful mixer is used for a period of time, the stirring blades at certain positions on the rotor can be replaced due to damage, and the rotor structure in the prior art is used for disassembling the stirring blades: the upper end compression bolt of the rotor is loosened, then the fixed disks of the positions above the stirring knife to be disassembled are upwards jacked, so that a working space required for disassembling the stirring knife is reserved at the position of the stirring knife to be disassembled, the field working condition of the vertical type powerful mixing machine is severe, the adjacent fixed disks are easy to generate bonding phenomenon due to rusting and corrosion, and meanwhile, when the stirring knife on the fixed disk at the lower part is required to be disassembled, the fixed disk at the high position must be jacked upwards firstly, so that the workload of the disassembling mode is huge, the time consumption is long, and the field temporary inspection requirement cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: how to provide a vertical intensive mixer's easy dismouting rotor structure that dismantles work load is little, consuming time weak point.
In addition, the application still provides a vertical intensive mixing machine's easy dismouting rotor structure's dismantlement and change method to solve current dismantlement work load big, long problem consuming time.
In order to solve the technical problems, the invention adopts the following technical scheme:
an easily-disassembled rotor structure of a vertical powerful mixer comprises a vertically-arranged main shaft and a plurality of fixed disks arranged on the main shaft from top to bottom, wherein the fixed disks are connected with stirring knives, and is characterized in that two first mounting grooves positioned in the same radial direction are formed in the lower end surface of each fixed disk, two second mounting grooves positioned in the same radial direction are formed in the upper end surface of each fixed disk, the acute angle between the central connecting line of the two first mounting grooves and the central connecting line of the two second mounting grooves is 60 degrees, and the phase difference between every two adjacent fixed disks is 120 degrees, so that one second mounting groove of each fixed disk is correspondingly positioned under one first mounting groove of the fixed disk on the upper layer, and one stirring knife is arranged at the first mounting groove of each fixed disk, a wedge-shaped block which is matched with the second mounting groove in shape is mounted at the second mounting groove, a transverse connecting hole is formed in a vertical surface, far away from the center of the fixed disc, of the wedge-shaped block, and the wedge-shaped block is fixedly connected with the fixed disc through a fastener at the connecting hole; the bottom is still installed to the downside of fixed disc, and the below all under every first mounting groove of fixed disc all seted up on the bottom tray with the third mounting groove that the shape of wedge suited, install the wedge in the third mounting groove.
The working principle of the invention is as follows: when the rotor structure is used, every three fixed disks can be divided into one group, when the fixed disks are installed on the main shaft, the plurality of fixed disks can be divided into several groups which are completely the same (for example, 6 fixed disks can be divided into two groups which are completely the same), then the fixed disks of each group are sequentially installed on the main shaft from bottom to top, and because the acute angle between the central connecting lines of two first installation grooves on the fixed disks and the central connecting lines of two second installation grooves is 60 degrees, after the fixed disks are installed on the main shaft, the center of the first installation groove on the upper fixed disk is just coincided with the center of the second installation groove on the adjacent next layer of fixed disk. Because the stirring knife is arranged at the first mounting groove of the fixed disk, the center of the stirring knife is coincided with the center of the second mounting groove on the next adjacent layer of fixed disk, and the wedge block is arranged at the second mounting groove.
Thus, when the stirring knife on a certain group of fixed discs is damaged and needs to be replaced, the wedge block at the second mounting groove of the uppermost fixed disc in the next group adjacent to the stirring knife needing to be replaced is taken down or the wedge block at the third mounting groove at the corresponding position on the bottom tray is taken down, because the wedge block is connected with the fixed discs through the fastening piece at the transverse connecting hole, and meanwhile, the connecting hole of the wedge block is opened on the vertical surface far away from the center of the fixed discs, the wedge block is disassembled at the outer side of the fixed discs when being disassembled, the outer side of the fixed discs has enough operating space to disassemble the wedge block, after the wedge block is disassembled, the wedge block is taken out from the second mounting groove or the third mounting groove, and then the stirring knife is moved to the disassembling space from top to bottom by utilizing the disassembling space formed at the second mounting groove or the third mounting groove, then the stirring knife is taken out, and the disassembling process of the stirring knife is completed.
When a new stirring knife needs to be installed again, the stirring knife is placed on the fixed disc by utilizing the space formed at the second installation groove or the third installation groove, and then the wedge block is installed at the second installation groove or the third installation groove, so that the re-installation of the stirring knife is realized.
The invention has the beneficial effects that: compared with the rotor structure in the prior art, when the stirring knife is replaced, the fixed disc above the stirring knife to be replaced does not need to be completely jacked, and only the wedge block at the position of the stirring knife to be replaced is dismounted, and then the dismounting and mounting of the stirring knife can be completed.
Preferably, the cross section of the main shaft is of a hexagonal structure, and the fixed disc is provided with a hexagonal mounting hole matched with the hexagonal structure of the main shaft.
Like this, because the phase place between the three fixed disc of same group differs 120 in proper order, sets up the main shaft into the structure that the cross-section is the hexagon, also designs into the hexagon structure with the cooperation mounting hole of fixed disc and main shaft simultaneously, differs 60 between two adjacent limits like this, when satisfying the angular relation between the three fixed disc of same group, has guaranteed the relation of connection between each fixed disc and the main shaft.
Preferably, the wedge piece includes first wedge piece and second wedge piece, first recess has been seted up on the first wedge piece, on the second wedge piece with the position that first recess corresponds is equipped with first arch, the second wedge piece is kept away from horizontal first connecting hole, second connecting hole and third connecting hole have been seted up on the vertical face at fixed disc center respectively, on the fixed disc with first connecting hole with the position that the second connecting hole corresponds is equipped with horizontal first screw hole and second screw hole respectively, first connecting hole with carry out fixed connection through first fastener between the first screw hole, the second connecting hole with carry out fixed connection through the second fastener between the second screw hole, third connecting hole department be equipped with corresponding position the activity liftout piece that first wedge piece offseted, and can pass through the regulation the cooperation relation between activity liftout piece and the third connecting hole and with the help of movable liftout piece The second wedge piece is ejected towards the direction far away from the first wedge piece under the action of the abutting contact force between the second wedge piece and the first wedge piece.
Therefore, the first groove is formed in the first wedge piece, the first protrusion is formed in the second wedge piece, the first protrusion and the first groove are matched to limit the position between the first wedge piece and the second wedge piece, the second wedge piece is connected with the fixed disc through the first fastener and the second fastener respectively, the first wedge piece and the second wedge piece are connected through the movable ejection piece, and therefore the effective connection among the first wedge piece, the second wedge piece and the fixed disc is achieved.
Preferably, the first wedge piece is provided with a first guide protrusion on one side facing the second wedge piece, the upper end face of the first guide protrusion is flush with the upper end face of the first wedge piece, the lower end face of the first guide protrusion is inclined upwards along the direction of the second wedge piece, the second wedge piece is provided with a second guide protrusion on one side facing the first wedge piece, the lower end face of the second guide protrusion is flush with the lower end face of the second wedge piece, and the upper end face of the second guide protrusion is matched with the lower end face structure of the first guide protrusion.
Thus, when the first wedge member and the second wedge member are fitted, the lower end surface of the first guide projection on the first wedge member is also fitted with the upper end surface of the second guide projection on the second wedge member, thereby further improving the accuracy and reliability of the fitting connection between the first wedge member and the second wedge member.
Preferably, the first fastener and the second fastener are both fixing screws, the third connecting hole is a threaded hole, the movable ejection part is a jackscrew, and the screw heads of the fixing screws and the jackscrew are both provided with plugs.
Therefore, the fixing screw and the jackscrew are common standard fasteners, reliable connection between parts can be achieved by the common standard fasteners, use cost is low, plugs are arranged at the screw heads of the fixing screw and the jackscrew, and due to the fact that the working environment of the rotor is severe, the plugs can be used for guaranteeing the cleanliness of the connection positions of the fixing screw and the jackscrew, and working reliability of the fixing screw and the jackscrew is improved.
Preferably, the stirring blade is fixedly connected with the fixed disc through a fixed pin.
Thus, the fixing pin is a common standard fastener, and the fixing pin is used for connecting the stirring blade and the fixing disc, so that the stirring blade and the fixing disc are stable and reliable in connection performance and low in use cost.
The dismounting method of the easy-to-dismount rotor structure of the vertical intensive mixer comprises the steps of dismounting the stirring knives on the fixed disks at the lowest layer and dismounting the stirring knives on the fixed disks at the other layers;
the method for disassembling the stirring knife on the fixed disc at the lowermost layer comprises the following steps:
step 11) detaching a first fastener and a second fastener which are connected with the bottom tray by a second wedge piece positioned on the lower side of the position of the stirring blade to be detached in the bottom tray;
step 12) ejecting and taking down a second wedge piece positioned on the lower side of the position of the stirring knife to be disassembled by operating a movable ejection piece, loosening a first wedge piece positioned on the corresponding position after the second wedge piece is taken out, and taking out the first wedge piece to ensure that a third mounting groove positioned on the lower side of the position of the stirring knife to be disassembled on the bottom tray is hollow;
step 13) moving the stirring knife to be disassembled downwards to the position of the hollow third mounting groove of the bottom tray, taking out and disassembling the stirring knife to finish the disassembly of the stirring knife;
the method for disassembling the stirring knives on the fixed disks of the other layers comprises the following steps:
step 21) taking the layer of the lower layer of fixed disc as an operation layer at the position of the stirring knife to be disassembled;
step 22) detaching a first fastener and a second fastener which are connected with a fixed disc and arranged on the lower side of the position of the stirring blade to be detached in the operation layer;
step 23) ejecting and taking down a second wedge piece positioned on the lower side of the position of the stirring knife to be disassembled by operating a movable ejection piece, loosening a first wedge piece positioned on the corresponding position after the second wedge piece is taken out, and taking out the first wedge piece to ensure that a second mounting groove positioned on the lower side of the position of the stirring knife to be disassembled on the fixed disc in the operation layer is hollow;
and 24) moving the stirring knife to be disassembled downwards to the position of the second mounting groove with the hollow fixed disc in the operation layer, and then taking out and disassembling the stirring knife to finish the disassembly of the stirring knife.
The easy-to-dismount rotor structure of the vertical powerful mixer is adopted, and the replacement method comprises a method for replacing and mounting stirring blades on fixed disks and a method for replacing and mounting stirring blades on the fixed disks of the other layers;
the method for replacing and installing the stirring knife on the fixed disc at the lowest layer comprises the following steps:
step 1 a), after a second wedge piece and a first wedge piece which are positioned on the lower side of the position of a stirring knife to be installed on a bottom tray are taken out to ensure that a third installation groove is hollowed, the stirring knife to be installed is moved upwards from the position of the hollowed third installation groove of the bottom tray, so that the stirring knife to be installed is moved into the first installation groove of the upper fixed disc;
step 1 b), sequentially placing the first wedge piece and the second wedge piece into a hollow third mounting groove of the bottom tray, connecting the second wedge piece with the bottom tray by using a first fastener and a second fastener, and then mounting a movable ejection piece at the second wedge piece;
step 1 c) completing the installation of the stirring knife;
the method for replacing and installing the stirring knives on the fixed disks of the other layers comprises the following steps:
step 2 a) taking the layer of the lower layer of fixed disc as an operation layer at the position of the stirring knife to be installed;
step 2 b), after the second wedge piece and the first wedge piece, which are positioned on the lower side of the position where the stirring knife is to be installed, of the fixed disc in the operation layer are taken out to make the second installation groove hollow out, the stirring knife to be installed is moved upwards from the position, which is positioned in the second installation groove, of the hollow-out fixed disc in the operation layer, so that the stirring knife to be installed is moved into the first installation groove on the upper side;
step 2 c), sequentially placing the first wedge piece and the second wedge piece into a second mounting groove hollowed out in the fixed disc of the operation layer, connecting the second wedge piece and the fixed disc by using a first fastener and a second fastener, and then mounting a movable ejection piece at the second wedge piece;
and 2 d) finishing the installation of the stirring knife.
Drawings
FIG. 1 is a front view of an easily disassembled rotor structure of the vertical intensive mixer of the present invention;
FIG. 2 is a perspective view of an easily detachable rotor structure of the vertical intensive mixer of the present invention;
FIG. 3 is a front view of the easy-to-mount/dismount rotor structure of the vertical intensive mixer of the present invention, wherein the fixed disk is provided with a wedge and a stirring blade;
FIG. 4 is a schematic perspective view of a wedge block mounted on a fixed disk in the easily detachable rotor structure of the vertical intensive mixer according to the present invention;
FIG. 5 is a schematic structural view of the upper view of the fixed disk in the easy-to-mount/dismount rotor structure of the vertical intensive mixer of the present invention;
FIG. 6 is a schematic structural view of a lower view angle of a fixed disk in the easy-to-mount/dismount rotor structure of the vertical intensive mixer of the present invention;
FIG. 7 is a schematic view of the first wedge member of the easy-to-mount/dismount rotor structure of the vertical intensive mixer of the present invention;
FIG. 8 is a schematic structural view of a second wedge member of the easy-to-mount/dismount rotor structure of the vertical intensive mixer of the present invention;
FIG. 9 is a schematic view of the easy-to-disassemble rotor structure of the vertical intensive mixer of the present invention after the first wedge member and the second wedge member are disassembled when the stirring blades are disassembled (only three layers of fixed disks are shown);
FIG. 10 is a schematic view of the easy-to-assemble rotor structure of the vertical type intensive mixer of the present invention, when the stirring blade is moved down to the second mounting groove during the disassembly of the stirring blade (only three layers of fixed disks are shown);
fig. 11 is a schematic view of the detachable rotor structure of the vertical intensive mixer according to the present invention after detaching the stirring blade when detaching the stirring blade (only three layers of fixed disks are shown).
Description of reference numerals: the device comprises a main shaft 1, a cover 2, a pressure plate 3, a fixed disc 4, a first mounting groove 41, a second mounting groove 42, a stirring knife 5, a fastening screw 6, a compression screw 7, a locking nut 8, a bottom tray 9, a fixed pin 10, a first wedge piece 11, a first groove 111, a first guide protrusion 112, a second wedge piece 12, a second protrusion 121, a second guide protrusion 122, a fixed screw 13, a jackscrew 14 and a plug 15.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
As shown in the attached drawings 1 to 8, an easily detachable rotor structure of a vertical powerful mixer comprises a main shaft 1, a cover 2, a pressure plate 3, fastening screws 6, compression screws 7, locking nuts 8 and a bottom tray 9, wherein the main shaft 1 is vertically arranged, a plurality of fixed disks 4 are installed on the main shaft 1 from top to bottom, a stirring knife 5 is connected onto each fixed disk 4, the fixed disks 4 and the stirring knife 5 are fixed through fixing pins 10 and then sleeved on the main shaft 1, the lowest end of each fixed disk is fixed through the bottom tray 9, the upper end of each fixed disk 3 is compressed through the compression screws 7 and the locking nuts 8, and the cover 2 is fixed through the fastening screws 6.
In this embodiment, two first mounting grooves 41 located in the same radial direction are formed on the lower end surface of the plurality of fixed disks 4, two second mounting grooves 42 located in the same radial direction are formed on the upper end surface of the fixed disks 4, the acute angle between the center connecting line of the two first mounting grooves 41 and the center connecting line of the two second mounting grooves 42 is 60 °, and the phase difference between two adjacent two layers of the fixed disks 4 is 120 °, so that one second mounting groove 42 of each fixed disk 4 is located right below one first mounting groove 41 of the fixed disk 4 on the upper layer, one stirring blade 5 is mounted at the first mounting groove 41 of each fixed disk 4, a wedge block adapted to the shape of the second mounting groove 42 is mounted at the second mounting groove 42, and a transverse connecting hole is formed in the vertical surface of the wedge block far from the center of the fixed disk 4, the wedge-shaped block is fixedly connected with the fixed disc 4 through a fastener at the connecting hole; the lower side of the fixed disc 4 is also provided with a bottom tray 9, a third mounting groove matched with the shape of the wedge block is formed in the bottom tray 9 right below each first mounting groove 41 of the fixed disc 4 at the lowest part, and the wedge block is mounted in the third mounting groove.
The working principle of the invention is as follows: when the rotor structure is used, every three fixed disks 4 can be divided into one group, when the fixed disks 4 are installed on the main shaft 1, the plurality of fixed disks 4 can be divided into several groups which are completely the same (for example, 6 fixed disks 4 can be divided into two groups which are completely the same), then the fixed disks 4 of each group are installed on the main shaft 1 from bottom to top in sequence, because the acute angle between the central connecting line of two first installation grooves 41 on the fixed disks 4 and the central connecting line of two second installation grooves 42 is 60 degrees, after the fixed disks 4 are installed on the main shaft 1, the center of the first installation groove 41 on the fixed disk 4 of the upper layer is just overlapped with the center of the second installation groove 42 on the fixed disk 4 of the adjacent lower layer. Since the stirring blade 5 is installed at the first installation groove 41 of each fixed disk 4, the center of the stirring blade 5 coincides with the center of the second installation groove 42 on the adjacent next-layer fixed disk 4, while the wedge block is installed at the second installation groove 42.
Thus, when the stirring knives 5 on a certain group of fixed disks 4 are damaged and need to be replaced, the wedge block at the second mounting groove 42 of the uppermost fixed disk 4 in the next group adjacent to the stirring knives 5 to be replaced is removed or the wedge block at the third mounting groove at the corresponding position on the bottom tray 9 is removed, because the wedge block is connected with the fixed disks 4 through the fastening piece at the transverse connecting hole, and the connecting hole of the wedge block is opened on the vertical surface far away from the center of the fixed disks 4, the wedge block is removed at the outer side of the fixed disks 4 when being removed, the outer side of the fixed disks 4 has enough operating space to remove the wedge block, after the wedge block is removed, the wedge block is taken out from the second mounting groove 42 or the third mounting groove, and then the stirring knives 5 are moved from top to bottom by utilizing the removing space formed at the second mounting groove 42 or the third mounting groove, thereby completing the detachment of the stirring blade 5.
When a new stirring blade 5 needs to be reinstalled, the stirring blade 5 is installed on the fixed disk 4 by using the space formed at the second installation groove 42 or the third installation groove, and then the wedge block is installed at the second installation groove 42 or the third installation groove, thereby reinstalling the stirring blade 5.
The invention has the beneficial effects that: compared with the rotor structure in the prior art, when the stirring knife 5 is replaced, the fixed disc 4 above the stirring knife 5 to be replaced does not need to be lifted upwards, and only the wedge-shaped block at the position of the stirring knife 5 to be replaced needs to be disassembled, and then the disassembly and the assembly of the stirring knife 5 can be completed, so that the workload of replacing the stirring knife 5 is greatly reduced, the time consumption is greatly shortened, the replacement efficiency of the stirring knife 5 is effectively improved, and the labor intensity of workers is reduced.
In this embodiment, the width of the stirring blade should not be greater than the width of the wedge block at the corresponding position, so that after the wedge block is removed, the stirring blade can be smoothly removed from the position where the wedge block is installed.
In this embodiment, the cross section of the main shaft 1 has a hexagonal structure, and the fixed disk 4 is provided with a hexagonal mounting hole adapted to the hexagonal structure of the main shaft 1.
Like this, because the phase place between the three fixed disc 4 of same group differs 120 in proper order, sets up main shaft 1 for the structure that the cross-section is the hexagon, also designs into the hexagon structure with the cooperation mounting hole of fixed disc 4 and main shaft 1 simultaneously, differs 60 between two adjacent limits like this, when satisfying the angular relation between the three fixed disc 4 of same group, has guaranteed the relation of connection between each fixed disc 4 and main shaft 1.
In this embodiment, the wedge block includes first wedge piece 11 and second wedge piece 12, first recess 111 has been seted up on first wedge piece 11, the position that corresponds with first recess 111 is equipped with first arch 121 on second wedge piece 12, second wedge piece 12 has been kept away from respectively and has been seted up horizontal first connecting hole on the vertical plane of fixed disc 4 center, second connecting hole and third connecting hole, the position that corresponds with first connecting hole and second connecting hole on fixed disc 4 is equipped with horizontal first screw hole and second screw hole respectively, carry out fixed connection through first fastener between first connecting hole and the first screw hole, carry out fixed connection through the second fastener between second connecting hole and the second screw hole, third connecting hole department is equipped with the activity liftout piece that offsets with corresponding position first wedge piece 11, and can take the area through the abutting force effect of adjusting the cooperation relation between activity liftout piece and the third connecting hole and with the help of the abutting force between activity liftout piece and first wedge piece 11 The movable second wedge-shaped member 12 is ejected in a direction away from the first wedge-shaped member 11.
In this way, by providing the first groove 111 on the first wedge-shaped member 11 and the first protrusion 121 on the second wedge-shaped member 12, the first protrusion 121 and the first groove 111 are engaged to limit the position between the first wedge-shaped member 11 and the second wedge-shaped member 12, and at the same time, the second wedge-shaped member 12 is connected to the fixed disk 4 by the first fastener and the second fastener, respectively, and the first wedge-shaped member 11 and the second wedge-shaped member 12 are connected by the movable ejector, thereby achieving the effective connection among the first wedge-shaped member 11, the second wedge-shaped member 12, and the fixed disk 4.
In this embodiment, a first guide protrusion 112 is further disposed on a side of the first wedge-shaped member 11 facing the second wedge-shaped member 12, an upper end surface of the first guide protrusion 112 is flush with an upper end surface of the first wedge-shaped member 11, a lower end surface of the first guide protrusion 112 is inclined upward along a direction of the second wedge-shaped member 12, a second guide protrusion 122 is further disposed on a side of the second wedge-shaped member 12 facing the first wedge-shaped member 11, a lower end surface of the second guide protrusion 122 is flush with a lower end surface of the second wedge-shaped member 12, and an upper end surface of the second guide protrusion 122 is matched with a lower end surface structure of the first guide protrusion 112.
In this way, when the first wedge-shaped member 11 and the second wedge-shaped member 12 are mated, the lower end surface of the first guide projection 112 on the first wedge-shaped member 11 will also be mated with the upper end surface of the second guide projection 122 on the second wedge-shaped member 12, thereby further improving the accuracy and reliability of the mating connection between the first wedge-shaped member 11 and the second wedge-shaped member 12.
In this embodiment, the first fastening member and the second fastening member are both fixing screws 13, the third connecting hole is a threaded hole, the movable ejection member is a jackscrew 14, and the screw heads of the fixing screws 13 and the jackscrew 14 are both provided with plugs 15.
Therefore, the fixing screw 13 and the jackscrew 14 are common standard fasteners, reliable connection between parts can be achieved by the common standard fasteners, use cost is low, plugs 15 are arranged at the screw heads of the fixing screw 13 and the jackscrew 14, and due to the fact that the working environment of the rotor is severe, the cleanliness of the connection position of the fixing screw 13 and the jackscrew 14 can be guaranteed by the plugs 15, and working reliability of the fixing screw 13 and the jackscrew 14 is improved.
In the present embodiment, the stirring blade 5 and the fixed disk 4 are fixedly connected by a fixed pin.
Thus, the fixing pin is a kind of common standard fastener, and the stirring blade 5 and the fixing disc 4 are connected by using the fixing pin, so that the connection between the stirring blade 5 and the fixing disc 4 has stable and reliable performance and low use cost.
The dismounting method of the easy-to-dismount rotor structure of the vertical intensive mixer comprises the steps of dismounting the stirring knives 5 on the fixed disk 4 at the lowest layer and dismounting the stirring knives on the fixed disks 4 at the other layers;
the method for disassembling the stirring knife on the fixed disc at the lowermost layer comprises the following steps:
step 11) taking out plugs of fixing screws 13 at positions of second wedge pieces 12 on the lower side of the position of the stirring blade 5 to be dismounted in the bottom tray 9, and dismounting the fixing screws 13, connected with the second wedge pieces 12 on the lower side of the position of the stirring blade to be dismounted and the bottom tray 9, in the bottom tray 9;
step 12) then taking out the plug of the jackscrew 14 at the position of the second wedge piece 12 on the lower side of the stirring cutter position to be disassembled in the bottom tray 9, screwing the jackscrew 14 inwards, utilizing the matching relation between the jackscrew 14 and the third connecting hole and utilizing the action of the abutting contact force between the jackscrew 14 and the first wedge piece 11 to drive the second wedge piece 12 to be ejected towards the direction far away from the first wedge piece 11, so that the second wedge piece 12 on the lower side of the stirring cutter position to be disassembled can be ejected and taken down, and the first wedge piece 11 on the corresponding position is loosened after the second wedge piece 12 is taken out, and the first wedge piece 11 is taken out, so that the third mounting groove on the bottom tray 9 on the lower side of the stirring cutter position to be disassembled is hollowed;
step 13) moving the stirring knife to be disassembled downwards to the position of the third mounting groove with the hollowed bottom tray 9, taking out and disassembling the stirring knife to finish the disassembly of the stirring knife;
the method for disassembling the stirring knives on the fixed disks of the other layers comprises the following steps:
step 21) taking the layer of the lower layer of the stirring knife position to be disassembled where the fixed disc 4 is as an operation layer;
step 22) taking out the plugs 15 of the fixing screws 13 at the second wedge-shaped part positions on the lower side of the stirring cutter position to be disassembled in the operation layer, and disassembling the fixing screws 13 of the second wedge-shaped part 12 and the fixing disc 4 which are positioned on the lower side of the stirring cutter position to be disassembled in the operation layer;
step 23) then taking out the plug of the jackscrew 14 at the position of the second wedge piece 12 on the lower side of the position of the stirring cutter to be disassembled in the operation layer, screwing the jackscrew 14 inwards, utilizing the matching relationship between the jackscrew 14 and the third connecting hole and utilizing the action of the abutting contact force between the jackscrew 14 and the first wedge piece 11 to drive the second wedge piece 12 to be ejected towards the direction away from the first wedge piece 11, so as to eject and remove the second wedge piece 12 on the lower side of the position of the stirring cutter 5 to be disassembled, and taking out the second wedge piece 12 to loosen the first wedge piece 11 at the corresponding position and take out the first wedge piece 11, so that the second mounting groove 42 on the lower side of the position of the stirring cutter 5 to be disassembled on the fixed disc 4 in the operation layer is hollowed out, as shown in fig. 9 specifically;
step 24), the stirring knife 5 to be disassembled is moved downwards to the position of the second mounting groove 42 (shown in the attached drawing 10 in detail) in the operation layer, and then the stirring knife is taken out and disassembled to complete the disassembly of the stirring knife (shown in the attached drawing 11 in detail).
The easy-to-dismount rotor structure of the vertical powerful mixer is adopted, and the replacing method comprises a method for replacing and mounting the stirring blades on the fixed disc at the lowest layer and a method for replacing and mounting the stirring blades on the fixed discs at the other layers;
the method for replacing and installing the stirring knife on the fixed disc at the lowest layer comprises the following steps:
step 1 a), after the second wedge piece 12 and the first wedge piece 11 of the bottom tray 9, which are positioned at the lower side of the position of the stirring knife 5 to be installed, are taken out to make a third installation groove hollow out, the stirring knife 5 to be installed is moved upwards from the position of the third installation groove hollow out of the bottom tray 9, so that the stirring knife 5 to be installed is moved into the first installation groove 41 of the upper fixed disc 4;
step 1 b), sequentially placing a first wedge piece 11 and a second wedge piece 12 into a third hollow mounting groove of the bottom tray 9, connecting the second wedge piece 12 with the bottom tray 9 by using a fixing screw 13, and then mounting a jackscrew at the second wedge piece 12;
step 1 c), installing a fixing screw 13 and a plug 15 at a jackscrew 14 respectively;
step 1 d) completing the installation of the stirring knife;
the method for replacing and installing the stirring knives on the fixed disks of the other layers comprises the following steps:
step 2 a) taking the layer of the lower layer of the fixed disc 4 as an operation layer at the position of the stirring knife to be installed;
step 2 b), after the second wedge-shaped piece 12 and the first wedge-shaped piece 11 of the fixed disc 4 positioned at the lower side of the position of the stirring knife 5 to be installed in the operation layer are taken out to hollow out the second mounting groove 42, the stirring knife 5 to be installed is moved upwards from the position of the second mounting groove 42 of the fixed disc 4 in the operation layer to be hollowed out, so that the stirring knife to be installed is moved into the first mounting groove 41 at the upper side;
step 2 c), sequentially placing the first wedge piece 11 and the second wedge piece 12 into the hollow second mounting groove 42 of the fixed disc of the operation layer, connecting the second wedge piece 12 with the fixed disc 4 by using the fixing screw 13, and then mounting a jackscrew at the second wedge piece 12;
step 2 d), installing a fixing screw 13 and a plug 15 at the position of a jackscrew 14 respectively;
step 2 e) the mounting of the stirring blade 5 is completed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (8)
1. An easily-disassembled rotor structure of a vertical powerful mixer comprises a vertically-arranged main shaft and a plurality of fixed disks arranged on the main shaft from top to bottom, wherein the fixed disks are connected with stirring knives, and is characterized in that two first mounting grooves positioned in the same radial direction are formed in the lower end surface of each fixed disk, two second mounting grooves positioned in the same radial direction are formed in the upper end surface of each fixed disk, the acute angle between the central connecting line of the two first mounting grooves and the central connecting line of the two second mounting grooves is 60 degrees, and the phase difference between every two adjacent fixed disks is 120 degrees, so that one second mounting groove of each fixed disk is correspondingly positioned under one first mounting groove of the fixed disk on the upper layer, and one stirring knife is arranged at the first mounting groove of each fixed disk, a wedge-shaped block which is matched with the second mounting groove in shape is mounted at the second mounting groove, a transverse connecting hole is formed in a vertical surface, far away from the center of the fixed disc, of the wedge-shaped block, and the wedge-shaped block is fixedly connected with the fixed disc through a fastener at the connecting hole; the bottom is still installed to the downside of fixed disc, and the below all under every first mounting groove of fixed disc all seted up on the bottom tray with the third mounting groove that the shape of wedge suited, install the wedge in the third mounting groove.
2. The easy-to-dismount rotor structure of vertical intensive mixer as claimed in claim 1, wherein the cross-section of the main shaft is hexagonal structure, and the fixed disk is provided with hexagonal mounting holes adapted to the hexagonal structure of the main shaft.
3. The easy-to-assemble and disassemble rotor structure of the vertical intensive mixer as claimed in claim 1, wherein the wedge block comprises a first wedge member and a second wedge member, the first wedge member has a first groove, the second wedge member has a first protrusion at a position corresponding to the first groove, the second wedge member has a first connecting hole, a second connecting hole and a third connecting hole transversely formed on a vertical surface away from the center of the fixed disk, the fixed disk has a first threaded hole and a second threaded hole transversely formed at positions corresponding to the first connecting hole and the second connecting hole, the first connecting hole and the first threaded hole are fixedly connected by a first fastener, the second connecting hole and the second threaded hole are fixedly connected by a second fastener, and the third connecting hole has a movable ejecting member abutting against the first wedge member at a corresponding position, and the second wedge piece is driven to be ejected towards the direction far away from the first wedge piece by adjusting the matching relation between the movable ejection piece and the third connecting hole and by means of the action of the contact force between the movable ejection piece and the first wedge piece.
4. The structure of easy-to-disassemble rotor of vertical intensive mixer as claimed in claim 3, wherein a first guide protrusion is further provided on the side of the first wedge facing the second wedge, the upper end surface of the first guide protrusion is flush with the upper end surface of the first wedge, the lower end surface of the first guide protrusion is inclined upward along the direction of the second wedge, a second guide protrusion is further provided on the side of the second wedge facing the first wedge, the lower end surface of the second guide protrusion is flush with the lower end surface of the second wedge, and the upper end surface of the second guide protrusion is matched with the lower end surface structure of the first guide protrusion.
5. The easy-to-disassemble and assemble rotor structure of the vertical intensive mixer as claimed in claim 3, wherein the first fastening member and the second fastening member are both fixing screws, the third connecting hole is a threaded hole, the movable ejecting member is a jackscrew, and the screw heads of the fixing screws and the jackscrew are both provided with plugs.
6. The structure of easy-to-disassemble rotor for vertical intensive mixer as claimed in claim 1, wherein the stirring blade is fixedly connected to the fixed disk by a fixing pin.
7. A method for disassembling an easily detachable rotor structure of a vertical intensive mixer, which is characterized in that the easily detachable rotor structure of the vertical intensive mixer according to claim 3 is adopted, and the disassembling method comprises a method for disassembling stirring blades on the lowest layer of fixed disks and a method for disassembling stirring blades on the other layers of fixed disks;
the method for disassembling the stirring knife on the fixed disc at the lowermost layer comprises the following steps:
step 11) detaching a first fastener and a second fastener which are connected with the bottom tray by a second wedge piece positioned on the lower side of the position of the stirring blade to be detached in the bottom tray;
step 12) ejecting and taking down a second wedge piece positioned on the lower side of the position of the stirring knife to be disassembled by operating a movable ejection piece, loosening a first wedge piece positioned on the corresponding position after the second wedge piece is taken out, and taking out the first wedge piece to ensure that a third mounting groove positioned on the lower side of the position of the stirring knife to be disassembled on the bottom tray is hollow;
step 13) moving the stirring knife to be disassembled downwards to the position of the hollow third mounting groove of the bottom tray, taking out and disassembling the stirring knife to finish the disassembly of the stirring knife;
the method for disassembling the stirring knives on the fixed disks of the other layers comprises the following steps:
step 21) taking the layer of the lower layer of fixed disc as an operation layer at the position of the stirring knife to be disassembled;
step 22) detaching a first fastener and a second fastener which are connected with a fixed disc and arranged on the lower side of the position of the stirring blade to be detached in the operation layer;
step 23) ejecting and taking down a second wedge piece positioned on the lower side of the position of the stirring knife to be disassembled by operating a movable ejection piece, loosening a first wedge piece positioned on the corresponding position after the second wedge piece is taken out, and taking out the first wedge piece to ensure that a second mounting groove positioned on the lower side of the position of the stirring knife to be disassembled on the fixed disc in the operation layer is hollow;
and 24) moving the stirring knife to be disassembled downwards to the position of the second mounting groove with the hollow fixed disc in the operation layer, and then taking out and disassembling the stirring knife to finish the disassembly of the stirring knife.
8. A method for replacing an easily detachable rotor structure of a vertical intensive mixer, which is characterized in that the easily detachable rotor structure of the vertical intensive mixer according to claim 3 is adopted, and the replacing method comprises a method for replacing and installing a stirring blade on a fixed disc;
the method for replacing and installing the stirring knife on the fixed disc at the lowest layer comprises the following steps:
step 1 a), after a second wedge piece and a first wedge piece which are positioned on the lower side of the position of a stirring knife to be installed on a bottom tray are taken out to ensure that a third installation groove is hollowed, the stirring knife to be installed is moved upwards from the position of the hollowed third installation groove of the bottom tray, so that the stirring knife to be installed is moved into the first installation groove of the upper fixed disc;
step 1 b), sequentially placing the first wedge piece and the second wedge piece into a hollow third mounting groove of the bottom tray, connecting the second wedge piece with the bottom tray by using a first fastener and a second fastener, and then mounting a movable ejection piece at the second wedge piece;
step 1 c) completing the installation of the stirring knife;
the method for replacing and installing the stirring knives on the fixed disks of the other layers comprises the following steps:
step 2 a) taking the layer of the lower layer of fixed disc as an operation layer at the position of the stirring knife to be installed;
step 2 b), after the second wedge piece and the first wedge piece, which are positioned on the lower side of the position where the stirring knife is to be installed, of the fixed disc in the operation layer are taken out to make the second installation groove hollow out, the stirring knife to be installed is moved upwards from the position, which is positioned in the second installation groove, of the hollow-out fixed disc in the operation layer, so that the stirring knife to be installed is moved into the first installation groove on the upper side;
step 2 c), sequentially placing the first wedge piece and the second wedge piece into a second mounting groove hollowed out in the fixed disc of the operation layer, connecting the second wedge piece and the fixed disc by using a first fastener and a second fastener, and then mounting a movable ejection piece at the second wedge piece;
and 2 d) finishing the installation of the stirring knife.
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| CN202010383428.4A CN111420576A (en) | 2020-05-08 | 2020-05-08 | Easily-disassembled rotor structure of vertical powerful mixer and disassembling and replacing method thereof |
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| CN202010383428.4A CN111420576A (en) | 2020-05-08 | 2020-05-08 | Easily-disassembled rotor structure of vertical powerful mixer and disassembling and replacing method thereof |
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| CN109070027A (en) * | 2016-04-08 | 2018-12-21 | 德国古斯塔夫·爱立许机械制造有限公司 | Agitating shaft |
| CN110479136A (en) * | 2019-07-03 | 2019-11-22 | 马鞍山市华东耐磨合金有限公司 | A kind of stirring blade that high abrasion thickens |
| CN212091749U (en) * | 2020-05-08 | 2020-12-08 | 重庆矿迪冶金设备有限责任公司 | Easy-to-dismount rotor structure of vertical powerful mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0666111A1 (en) * | 1994-02-04 | 1995-08-09 | Magotteaux International S.A. | Rotor for impact crusher |
| CN201586493U (en) * | 2009-12-25 | 2010-09-22 | 布勒(常州)机械有限公司 | Mixer rotor |
| CN201613122U (en) * | 2010-03-11 | 2010-10-27 | 尹杰 | Composite material wear-resistant component for rotor of vertical mixer |
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