Powder arch breaking equipment
Technical Field
The utility model relates to the technical field of powder crushing, in particular to powder arch crushing equipment.
Background
In the production process of the artificial stone, a bin for storing kaolin powder, white cement powder or toner is needed, as the particle size of the powder is small and the powder is easily influenced by environmental humidity and friction static electricity, the powder stored in the bin is agglomerated into blocks after a period of time, part of the powder is even adhered to the wall of the bin, the agglomerated powder can generate rat holes and bridging problems in the bin, the problem of intermittent collapse of the agglomeration in the bin is further caused, the first-in powder is agglomerated at the wall of the bin and then the first-in powder is discharged from a middle channel, in order to avoid agglomeration caused by moisture and static electricity in long-time accumulation of the powder, a fluidizer is needed to be added at the walls of the bin and the hopper, filtered air is blown in, in addition, an activating hopper is arranged at the position of the bin close to an outlet, a vibrating motor is used for vibrating the agglomerated powder, a rotating shaft and an arch breaking stirring blade are arranged before the powder is discharged from the bin and enters a feeding screw for breaking the powder, and the agglomerated powder flows out of the bin, but the fluidizer can eliminate the limited range of the powder arch, and the agglomeration effect on the position of the powder is gradually limited, and the agglomeration can not be generated; the activation hopper can avoid caking through vibration force before powder does not form caking, but the caking powder formed can not be broken, the vibration motor can generate larger noise in work, the existing arch breaking equipment drives the stirring blades to rotate by the rotating shaft to break arches, the blades are large in interval, powder blocks are easy to leak, and the breaking effect is limited.
The patent of current bulletin number CN216003829U discloses a broken mechanism of powder blanking machine disturbance formula feed bin, including the pivot, the pivot middle part is provided with four mounting platform, and four mounting platform are pairwise to be set up, and every mounting platform is along its length direction interval fixedly connected with a plurality of broken arches respectively, and every broken arch bar all perpendicular to its mounting platform at place, and broken arch bar on four mounting platform is crisscross setting in proper order, and this broken mechanism only adopts the paddle that the center pin drove to smash, easily leaks the powder piece.
Disclosure of utility model
The utility model aims to provide powder arch breaking equipment, which solves the problem that partial powder blocks are easy to leak out when the powder blocks are broken only by rotating paddles in the conventional arch breaking equipment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a broken equipment that encircles of powder, includes feed bin and agitating unit, agitating unit sets up in the feed bin, agitating unit includes pivot and sleeve, the pivot rotates to be connected in the feed bin, sleeve sliding connection is in the pivot, just the sleeve is in rotatory under the drive of pivot, still include follower, follower sets up on the sleeve, follower rotates under the drive of sleeve and drags the sleeve is followed the axial reciprocating motion of pivot, the cutting of winding axle is carried out the powder and is broken to encircle along the extrusion of axle, and broken arch range covers comprehensively, prevents to appear leaking the material.
Further, the follow-up device comprises a fixed rod and a follow-up wheel, the follow-up wheel is arranged at one end of the sleeve shaft, one end of the fixed rod is connected with the storage bin, the other end of the fixed rod stretches into the follow-up wheel to form a dragging structure, and the follow-up wheel is driven to reciprocate along the axial direction by utilizing rotation on the rotating shaft.
Further, the stirring device further comprises a plurality of impellers, and the impellers are arranged on the sleeve shaft at intervals along the axial direction of the rotating shaft and used for cutting powder around the shaft.
Further, the impeller comprises a plurality of paddles, a shaft sleeve and a cutting groove, the paddles are uniformly arranged on the shaft sleeve, the shaft sleeve is arranged on the rotating shaft, the cutting groove is arranged on the side wall of the paddles, the center line of the cutting groove is in an included angle with the axis of the rotating shaft, powder is easy to cut, the powder can be pushed to flow along the axial direction, and the arch breaking efficiency is improved.
Furthermore, the middle line of the cutting groove is twisted around the axis of the sleeve shaft, the twisting direction is the same as the rotating direction of the sleeve shaft, and the driving force can be applied to the powder, so that the arch breaking effect of the powder is improved.
Preferably, the axial projection of a plurality of paddles along the sleeve shaft is fan-shaped, so that the stirring and cutting powder is prevented from dead angles.
Preferably, two adjacent paddles are staggered to form an included angle A, and the included angle A is more than or equal to 2 degrees and less than or equal to 30 degrees, so that the load on the paddles can be reduced by the proper included angle.
Preferably, the device further comprises a first bearing and a second bearing, wherein the first bearing is arranged on one side wall of the storage bin, the second bearing is arranged on the other side wall of the storage bin, and the rotating shaft is respectively connected to the first bearing and the second bearing in a rotating way and used for supporting the rotating shaft and the shaft sleeve to move.
More preferably, the device further comprises a driving device, wherein the driving device is arranged on one side of the storage bin, and the output end of the driving device is connected with one end of the rotating shaft and is used for providing power for cutting and extruding powder.
Preferably, the follower wheel is a curved grooved wheel convex, and the action is stable and reliable.
The beneficial effects of the utility model are as follows:
(1) This broken arch equipment of powder is equipped with agitating unit and follower on the feed bin, agitating unit rotates to be connected and is used for directly stirring garrulous powder piece in the feed bin, the (mixing) shaft device includes pivot and sleeve axle, the sleeve axle can slide in the pivot, the last dead lever of follower is fixed on the feed bin lateral wall, the follower links to each other with the sleeve axle, drive the follower by the sleeve axle and rotate, drag the structure through follower and dead lever for the follower drags the sleeve axle and makes reciprocating sliding in the pivot, agitating unit extrudees broken caking powder in the feed bin along the axial at this moment, broken arch's effect has been improved.
(2) The stirring device on the powder arch breaking equipment is provided with a plurality of impellers along the shaft for stirring powder, the projections of the impellers along the shaft direction expand arch breaking areas, the impellers are provided with a plurality of paddles, the edges of the two sides of the paddles are provided with cutting grooves, the cutting grooves are twisted along the direction of the rotating shaft and form included angles with the shaft line, an axial cutting force can be applied to the powder during rotation, the follow-up device is matched for cutting broken powder, and the efficiency and effect of breaking caking powder are improved by cutting around the shaft and extruding along the shaft.
Drawings
FIG. 1 is an exploded view of a powder arch breaking apparatus provided by the present utility model;
FIG. 2 is a front view of the powder arch breaking apparatus provided by the present utility model;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a side view of an impeller provided by the present utility model;
fig. 5 is a front view of an impeller provided by the present utility model.
Reference numerals:
1. A driving device; 2. a storage bin; 3. a hopper; 4. a first bearing; 5. a follower device; 51. a fixed rod; 52. a follower wheel; 6. a stirring device; 61. an impeller; 62. a rotating shaft; 63. cutting a groove; 64. a paddle; 65. a round nut; 66. a sleeve shaft; 67. a spacer ring; 68. a shaft sleeve; 7. and a second bearing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.
Example 1
As shown in fig. 1-5, the embodiment discloses a powder arch breaking device, which comprises a storage bin 2 and a stirring device 6, wherein the stirring device 6 is arranged in the storage bin 2 and used for cutting and breaking powder along the axial direction, the stirring device 6 comprises a rotating shaft 62 and a sleeve shaft 66, the rotating shaft 62 is rotationally connected in the storage bin 2, the sleeve shaft 66 is slidingly connected on the rotating shaft 62, the sleeve shaft 66 rotates under the driving of the rotating shaft 62 to stir the powder, the powder arch breaking device further comprises a follow-up device 5, the follow-up device 5 is arranged on the sleeve shaft 66, and the follow-up device 5 rotates under the driving of the sleeve shaft 66 to drag the sleeve shaft 66 to reciprocate along the axial direction of the rotating shaft 62, so that the stirring device 6 completes the extrusion breaking action of the powder along the axial direction.
Further, the follower 5 includes a fixed rod 51 and a follower wheel 52, the follower wheel 52 is disposed at one end of a sleeve shaft 66, one end of the fixed rod 51 is connected with the bin 2, the other end of the fixed rod 51 extends into the follower wheel 52 to form a dragging structure, specifically, a hole is disposed at the other end of the fixed rod 51, a cam bearing is connected in the hole, the cam bearing is matched with a groove of the follower wheel 52, and the follower wheel 52 is forced to reciprocate along with the sleeve shaft 66 in the axial direction by rotation of the rotating shaft 62.
In more detail, the follower wheel 52 is a curved grooved wheel, an axial groove is formed in the cylindrical surface, the groove surrounds along the axial circumferential direction of the follower wheel 52, one end of the fixed rod 51 is connected with the storage bin 2 through a bolt, the other end of the fixed rod extends into the groove, and the axial curved groove drives the stirring device 5 to reciprocate along the axial direction, so that the impeller 61 on the sleeve shaft 66 cuts agglomerated powder in a reciprocating manner.
Further, the stirring device 6 further comprises a plurality of impellers 61, the plurality of impellers 61 are arranged on the sleeve shaft 66 at intervals along the axial direction of the rotating shaft 62, and the impellers 61 are sequentially arranged on the rotating shaft 62 to break up agglomerated powder.
Further, the impeller 61 includes a plurality of paddles 64, a shaft sleeve 68 and a cutting groove 63, the paddles 64 are uniformly arranged on the shaft sleeve 68, the paddles 64 are distributed around the shaft center of the shaft sleeve 68, the shaft sleeve 68 is arranged on the shaft sleeve 66, the inner wall of the shaft sleeve 68 is provided with a key groove, a flat key is arranged on the outer wall of the shaft sleeve 66 and is matched with the key groove to fix the impeller 61 on the shaft sleeve 68, the cutting groove 63 is arranged on the side wall of the paddles 64, the cutting grooves 63 are all arranged on the two side walls of the paddles 64, the cutting grooves 63 are sequentially distributed along the side walls of the paddles 64, the center line of the cutting groove 63 forms an included angle with the shaft axis of the shaft sleeve 66, and the edge part of the cutting groove 63 is sharp and is easy to stir the agglomerated powder.
Wherein, a spacer ring 67 sleeved on the sleeve shaft 66 is arranged between two adjacent impellers 61, the spacer ring 67 and the impellers 61 are both fixed on the sleeve shaft 66 by bolts, and after a plurality of impellers 61 are mounted on the sleeve shaft 66, the plurality of impellers 61 are abutted by double round nuts 65 along the axial direction.
Further, the center line of the cutting groove 63 is twisted around the axis of the sleeve shaft 66, the twisting direction is the same as the rotating direction of the sleeve shaft 66, the cutting groove 63 is driven by the rotating shaft 62 to rotate, and the powder is pushed axially through the cutting groove 63, so that the powder circulates in the bin 2, the flowing rate of the powder is improved, and the crushing arch effect is improved.
Preferably, the plurality of paddles 64 are fan-shaped in an axial projection along the sleeve shaft 66 such that the plurality of paddles 64 cooperatively lift the cutting area, thereby improving the arch breaking efficiency.
More preferably, two adjacent paddles 64 are staggered to form an included angle A, and A is more than or equal to 2 degrees and less than or equal to 30 degrees, and the proper staggered angle of the paddles 64 can reduce the powder pressure born by the paddles 64 and prevent the excessive load when the paddles 64 break the arch.
Preferably, the device further comprises a first bearing 4 and a second bearing 7, wherein the first bearing 4 is arranged on one side wall of the bin 2, the second bearing 7 is arranged on the other side wall of the bin 2, the rotating shaft 62 is respectively connected to the first bearing 4 and the second bearing 7 in a rotating way, and a felt oil seal is arranged on the first bearing 4 and the second bearing 7 and used for sealing the joint of the rotating shaft 62 so as to prevent powder leakage.
Preferably, the device further comprises a driving device 1, wherein the driving device 1 is arranged on one side of the storage bin 2, and an output end of the driving device 1 is connected with one end of the rotating shaft 62 and is used for driving the rotating shaft 62 to move.
And the powder storage device further comprises a hopper 3, wherein the hopper 3 is arranged above the storage bin 2 and is used for receiving and storing a certain amount of powder.
The powder arch breaking equipment works as follows:
Powder enters the bin 2 through the hopper 3, the driving device 1 drives the rotating shaft 62 to rotate, the impeller 61 on the rotating shaft 62 rotates to cut and break agglomerated powder, the cutting groove 63 on the blade 64 of the impeller 61 cuts the powder, the powder starts to move axially after being applied with an axial thrust through the cutting groove 63, the follower wheel 52 is driven to rotate when the rotating shaft 62 rotates, the sleeve shaft 66 is pulled to reciprocate axially along the rotating shaft 62 through the follower wheel 52, the powder in the bin 2 is driven to vibrate, the rotating shaft 62 continuously rotates, and the powder is subjected to shaft-winding stirring and axial extrusion circulation arch breaking.
Example two
The embodiment also discloses broken arch equipment of powder, and a plurality of paddles 64 are circular along the axial projection of sleeve 66, and paddle 64 fills in feed bin 2 and satisfies for a plurality of paddles 64 cooperation can accomplish the garrulous arch of full extent, prevents to appear the dead angle, leads to caking powder to miss.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.