CN219573226U - Unloader that powder is weighed accurately and is used - Google Patents

Abstract

The utility model provides a unloader that powder was weighed accurately and was used, including the vibrator, the shaking table, the feed bin down, baffle and crushing wheel, the vibrator is connected with the shaking table of top, the feed bin is connected to the one end of shaking table, be equipped with feed inlet and discharge gate on the feed bin down, the feed inlet is close to the vibrator setting, the discharge gate is kept away from the vibrator setting, be equipped with the unloading passageway that is the level setting that communicates feed inlet and discharge gate in the feed bin down, it is cylindrical first crushing wheel to erect in the unloading passageway between feed inlet and discharge gate, the axial length of first crushing wheel and the width assorted of unloading passageway, the axis direction of first crushing wheel is perpendicular with powder vibration direction of motion, the rear side of first crushing wheel is equipped with carries out spacing baffle to first crushing wheel. The utility model uses the vibrator as a power source to carry out blanking work, uses the first crushing wheel and the baffle to crush the agglomerated and piled powder in the blanking process, and accurately weighs and controls the weight within 0.1mg.

Description

Unloader that powder is weighed accurately and is used

Technical Field

The utility model relates to the technical field of weighing, in particular to a discharging device for accurately weighing powder.

Background

When the powder is accurately weighed, the error of accurate weighing is required to be ensured to be not more than 0.1mg, but when the powder is weighed, the particles of the powder in the discharging device are smaller, the fluidity is poorer, and the powder is easy to agglomerate and accumulate in the flowing process. Various problems such as rat holes, blockage and the like occur during blanking, such as cobalt powder, lithium carbonate and other powder.

Accurate blanking of difficult-to-flow powder has been a difficult problem for accurate weighing, and stacking together is easy to occur during feeding, or rolling into a small ball during flowing, resulting in frequent out-of-tolerance in the control of the final 0.1mg weight for accurate weighing.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a blanking device for accurately weighing powder, which is used for crushing agglomerated and piled powder in the blanking process.

In order to achieve the technical purpose, the adopted technical scheme is as follows: the utility model provides a unloader that powder was accurately weighed and used, including the vibrator, the shaking table, the feed bin down, baffle and first crushing wheel, the vibrator is connected with the shaking table of top, the feed bin is connected to the one end of shaking table, be equipped with feed inlet and discharge gate on the feed bin down, the feed inlet is close to the vibrator setting, the discharge gate is kept away from the vibrator setting, be equipped with the unloading passageway that is the level setting that communicates feed inlet and discharge gate in the feed bin down, it is cylindrical first crushing wheel to erect in the unloading passageway between feed inlet and discharge gate at least one, the axial length of first crushing wheel and the width phase-match of unloading passageway, the axis direction of first crushing wheel is perpendicular with powder vibration direction of motion, the rear side of first crushing wheel is equipped with carries out spacing baffle to first crushing wheel.

The surface of the first crushing wheel is provided with a plurality of annular notches or at least one thread-shaped notch along the axial direction to form uniform tooth height crushing teeth uniformly distributed along the axial direction.

A discharging groove is connected below the feeding hole, and a gap for powder to pass through is arranged between the bottom of the discharging groove and the bottom surface of the discharging channel.

A second crushing wheel is arranged in the discharging groove.

The utility model has the beneficial effects that:

1. the vibrator is used as a power source to carry out the blanking work, the blanking process is controllable, the blanking speed is low, the blanking amount can be accurately controlled, in order to prevent powder accumulation and agglomeration, a crushing wheel with a power source is not required to be additionally arranged, the crushing of the powder can be realized by rolling the vibration crushing wheel, the blanking weighing precision is improved, and the accurate weighing is controlled within 0.1mg.

2. The crushing wheel is provided with the notch, powder rolling above the crushing wheel flows out of the notch, the crushing wheel is larger particles rotating anticlockwise and can suspend above the crushing wheel, and powder smaller than the notch can slide into the blanking channel to finish the flow limiting and crushing of the powder.

3. Through the clearance between the bottom surfaces of silo and unloading passageway down, more fine adjustment powder's discharge amount and ejection of compact speed, more do benefit to weighing unloading accurate control to carry out elementary screening, prevent that the powder of caking from getting into the unloading passageway.

4. The second crushing wheel is added in the discharging groove to primarily crush the feeding material, so that powder in the discharging groove is prevented from caking and stacking.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of a first shredder wheel of the present utility model;

in the figure: 1. vibrator 2, shaking table, 3, second crushing wheel, 4, feed bin, 401, feed inlet, 402, discharge gate, 403, unloading passageway, 5, baffle, 6, first crushing wheel, 601, notch, 602, crushing tooth, 7, unloading chute.

Detailed Description

The following description of the preferred embodiments of the present utility model is given with reference to the accompanying drawings, in order to explain the technical scheme of the present utility model in detail. Here, the present utility model will be described in detail with reference to the accompanying drawings. It should be particularly noted that the preferred embodiments described herein are for illustration and explanation of the present utility model only and are not intended to limit or define the present utility model.

In the description of the present embodiment, the terms "inner", "outer", "front", "rear", "left", "right", etc. indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between similar objects and should not be construed as a particular order or sequence, it being understood that such uses may be interchanged where appropriate.

As shown in figure 1, the discharging device for accurately weighing powder comprises a vibrator 1, a vibrating table 2, a discharging bin 4, a baffle 5 and a first crushing wheel 6, wherein the vibrator 1 is connected with the vibrating table 2 above, the vibrating table 2 is connected with the discharging bin 4, the vibrator 1 is closer to one side of the discharging bin 4, the powder in the discharging bin 4 is vibrated from one end close to the vibrating table 2 to one end far away from the vibrating table 2, the vibrating table 2 and the discharging bin 4 are of an integrated structure and can be integrally formed or singly formed and connected, the vibrating table 2 is of a solid structure for counterweight, the side of the discharging bin 4 is used for discharging and feeding, the discharging bin 4 is provided with a feeding hole 401 and a discharging hole 402, the feeding hole 401 is upwards arranged, the discharging hole 402 is downwards arranged, a chute can be added at the discharging hole 402 and is aligned with the weighing device for weighing, the feeding hole 401 is close to the vibrator 1, the discharging hole is far away from the vibrator 1, the blanking channel 403 which is horizontally arranged and is communicated with the feed inlet 401 and the discharge outlet 402 is arranged in the blanking bin 4, the blanking channel 403 is preferably designed into a cuboid structure, the first crushing wheel 6 which is convenient to install and match is vertically arranged in the blanking channel 403 between the feed inlet 401 and the discharge outlet 402, at least one first crushing wheel 6 which is cylindrical is vertically arranged in the blanking channel 403, the crushing can be realized by vibration rolling of the vibrator 1 only when the first crushing wheel 6 is cylindrical, the crushing wheel is a wheel type or shaft type structure which has a rolling crushing effect and is only required to be a cylinder, the axial length of the first crushing wheel 6 is matched with the width of the blanking channel 403, namely, the axial length of the first crushing wheel 6 is in clearance fit with the width of the blanking channel, the width of the blanking channel is vertical to the direction of vibration movement of powder, the powder is prevented from passing through the first crushing wheel 6, the axis direction of the first crushing wheel 6 is perpendicular to the vibration motion direction of the powder, a baffle plate 5 for limiting the first crushing wheel 6 is arranged at the rear side of the first crushing wheel 6, the crushing wheel cannot move forward due to the baffle plate 5 when the crushing wheel touches the baffle plate 5, and crushed powder passes through the lower part of the crushing wheel along with vibration rolling of the vibrator.

The quantity of the powder entering the blanking channel through the feeding hole is controlled so that the powder cannot enter the blanking channel in a large quantity. After entering the channel, the powder is crushed and limited by 1 or more crushing wheels, so that the powder is reduced to an initial state. And the material discharging device is dispersed on the section of the discharging channel, the position of the crushing wheel is limited by a plurality of baffles in the discharging channel, and the accurate and controllable material discharging can be realized by combining the numerical values such as the speed, the vibration frequency, the voltage, the amplitude and the like of the vibrator, so that the accuracy error is ensured to be less than 0.1mg.

As shown in fig. 2, the surface of the first pulverizing wheel 6 is provided with a plurality of annular notches 601 or at least one thread-shaped notch 601 along the axial direction, so as to form equal tooth height pulverizing teeth 602 uniformly distributed along the axial direction. For example, as shown in fig. 2, the structure of the annular notch 601 adopts a V-shaped notch to form a V-shaped annular crushing tooth, or adopts a thread structure on a screw to process the thread notch, so that the processing and forming are facilitated, the vibration of the blanking channel 403 drives the first crushing wheel 6 to rotate, and the agglomerated powder is cut and crushed by self weight and the crushing particles 602 in the rotation of the first crushing wheel 6, so that the agglomerated powder is restored to an original state. When the powder in the feeding direction of the first crushing wheel 6 is excessively accumulated and exceeds the height of the first crushing wheel 6, the powder passes through the first crushing wheel 6 and enters the space between the baffle 5 and the first crushing wheel 6, and at the moment, because the first crushing wheel 6 rotates anticlockwise (shown in the drawing), larger particles can suspend above the crushing wheel, and the powder smaller than the notch can slide into the blanking channel, so that the flow limitation and crushing of the powder are completed to the greatest extent.

The lower part of the feed inlet 401 is connected with a blanking chute 7, the blanking chute 7 is positioned in a blanking channel 403, a gap for powder to pass through is arranged between the bottom of the blanking chute 7 and the bottom surface of the blanking channel 403, the height of the gap is set for controlling the discharge amount of powder, the effect of a vibrator is combined, the blanking speed is controlled, and the accurate weighing after discharging can be controlled more accurately.

The second crushing wheel 3 is placed in the blanking chute 7, the crushing wheel can adopt the same structure as the first crushing wheel 6, the powder in the blanking chute is crushed to an original state by utilizing the wall surface of the blanking chute 7 to crush the powder through vibration, so that the powder which reaches the passing clearance standard passes through, and the bonding powder is prevented from being accumulated in the blanking chute 7.

The foregoing is merely a preferred example of the present utility model and is not intended to limit or define the utility model. Various modifications and alterations of this utility model will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of protection claimed in the present utility model.

Claims (4)

1. The utility model provides a unloader that powder is weighed accurately for use which characterized in that: including vibrator (1), shaking table (2), feed bin (4), baffle (5) and first crushing wheel (6), vibrator (1) are connected with shaking table (2) of top, feed bin (4) are connected to the one end of shaking table (2), be equipped with feed inlet (401) and discharge gate (402) on feed bin (4), feed inlet (401) are close to vibrator (1) setting, vibrator (1) setting is kept away from to discharge gate (402), be equipped with in feed bin (4) feed channel (403) that are the level setting of intercommunication feed inlet (401) and discharge gate (402), it is equipped with at least one first crushing wheel (6) that are columniform in feed channel (403) between feed inlet (401) and discharge gate (402), the axial length of first crushing wheel (6) matches with the width of feed channel (403), the axis direction of first crushing wheel (6) is perpendicular with the powder vibration direction, the rear side of first crushing wheel (6) is equipped with carries out spacing baffle (5) to first crushing wheel (6).

2. The precise powder weighing and feeding device as claimed in claim 1, wherein: a plurality of annular notches (601) or at least one thread-shaped notch (601) are formed in the surface of the first crushing wheel (6) along the axial direction, and uniform tooth height crushing teeth (602) which are uniformly distributed along the axial direction are formed.

3. The precise powder weighing and feeding device as claimed in claim 1, wherein: a blanking chute (7) is connected below the feed inlet (401), and a gap for powder to pass through is arranged between the bottom of the blanking chute (7) and the bottom surface of the blanking channel (403).

4. A powder accurate weighing and feeding device as defined in claim 3, wherein: a second crushing wheel (3) is arranged in the blanking chute (7).