Big flow tests sand Mill
Technical field
This utility model is related to sand mill technical field, and more particularly to a kind of big flow tests sand Mill.
Background technology
Coating, oil gas class material all contain powdery granule, and granule is less, and performance is better, in order to obtain small particles material,
Need to be ground material, test-type horizontal sand mill is one of widely used milling apparatus.Its operation principle is material
Jing feed mechanisms are delivered to the grinding intracavity of grinding mechanism, produce abrasive media by the stirring of sand grinding section in grinding intracavity strong
Strong collision, friction, shear action, reach the purpose of quick grinding and dispersed material, and the material Jing discharging openings after grinding flow out.
Existing feed mechanism has following several schemes:A kind of is, using the pump with independent power, material to be delivered to
Grinding chamber, this mode need to increase drive system, are increased using the cost that multiple drive systems make equipment overall;In addition, can
To be directly connected with motor shaft with screw rod, grinding chamber, this mode, due to screw rod are entered by screw rod high speed rotation forces material
Spiral part and body of rod integrally connected, screw rod long-time needs to take sand mill apart during replacing using easy to wear, changes fiber crops
It is tired, and replacement cost is high.
Utility model content
Technical problem to be solved in the utility model is:In order to overcome feed mechanism high cost in prior art, inconvenience
In the deficiency changed, this utility model provides a kind of big flow and tests sand Mill.
This utility model solves its technical problem technical scheme to be taken:A kind of big flow tests sand Mill,
Including frame, it is arranged on the motor, sealing mechanism, feed mechanism and the grinding mechanism that are sequentially connected in frame and is driven with motor
It is connected as feed mechanism and grinding mechanism provides the main shaft of power;The feed mechanism includes loading hopper, feeding storehouse and feeding set,
The feeding set is in the feeding storehouse and is set on the main shaft, and charging aperture is provided with the top of the feeding storehouse, described to add
Feed hopper bottom is connected with the charging aperture;The sealing mechanism includes sealed support and mechanical seal, described sealed support one end
It is connected with the motor housing, the other end is connected with the feeding storehouse, the sealed support, motor housing and feeding storehouse enclose jointly
Into annular seal space, the mechanical seal is positioned close on the main shaft of feeding storehouse, and the main shaft passes through motor shaft with the motor shaft
Set is connected to inside annular seal space;The grinding mechanism includes the grinding chamber surrounded by cylinder overcoat and cylinder cover plate, the grinding
Intracavity is provided with grinding bead, and the cylinder cover plate is pyramidal structure, and the opening end of the cylinder cover plate is connected with the cylinder overcoat,
The main shaft is placed in one end of grinding intracavity and is provided with sand grinding section, and the main shaft of the sand grinding section front end and is fixedly connected centrifugation
Head.
The conveying of material is realized using the feeding set arranged on main shaft and with main shaft split, feeding set is mounted directly
Extra drive mechanism need not be increased in main shaft, make structure simpler, feeding set is arranged with main shaft split, when requiring replacement
Without changing whole main shaft by only needing to pull down feeding set, maintenance cost and the difficulty safeguarded are reduced;Cylinder cover plate
Using the structure of taper, the radial force at taper position is converted into axial force, makes front-end of spindle be thrown to cylinder overcoat and cylinder cover plate
On material rebounded back by taper surface the postmedian of grinding chamber, be ground again, make granule not concentrate on cylinder with abrasive media
Body cover plate side, makes distribution more uniform, while realizing the self-loopa of particulate matter, it is to avoid solid accumulation.
Further, the cylinder cover plate includes conical body, the adpting flange for being arranged on conical body opening end and setting
In the pipe connection end at conical body closing in end, multiple connecting holes on adpting flange, are evenly distributed, by connecting hole by cylinder cover
Plate is fixedly connected on cylinder overcoat end, and conical body opening end is additionally provided with the flange for axially extending and makes cylinder cover plate and cylinder
Overcoat coordinates even closer.
Further, in order to realize the connection of feeding storehouse and sealed support and cylinder overcoat, the feeding storehouse two ends set respectively
There are first flange and second flange, the first flange is connected with the adpting flange, the second flange and the sealing are propped up
Frame connects.
Further, in order that material can be fully ground, also including circulation pipe, described circulation pipe one end passes through pipe connection end
It is connected with discharging opening, the other end is extended to above loading hopper.Material is delivered to feed mechanism again by circulation pipe to be followed
Ring grinds.
Further, in order to ensure the sealing between feeding storehouse and electric machine structure, the feeding storehouse is near the sealed support
One end be provided with machine envelope accommodating chamber, the mechanical seal be placed in machine envelope accommodate intracavity realize it is close between feeding storehouse and main shaft
Envelope.Sealing structure can be prevented the material for conveying from entering sealing intracavity, affect operating and the performance of motor, protect near feeding storehouse
Demonstrate,prove the safe and reliable of motor.
Preferably, the feeding set is screw feeding set, and is detachably arranged on the main shaft.
The beneficial effects of the utility model are:A kind of big flow experiment sand Mill that this utility model is provided, using peace
The feeding set for being mounted on main shaft and arranging with main shaft split realizes the conveying of material, and feeding set is directly installed on main shaft without the need for increasing
Extra drive mechanism, makes structure simpler, and feeding set is arranged with main shaft split, is only needed to feeding set when requiring replacement
Without changing whole main shaft by pulling down, maintenance cost and the difficulty safeguarded are reduced.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of this utility model most preferred embodiment;
Fig. 2 is the structural representation of this utility model most preferred embodiment;
Fig. 3 is the structural representation of feeding storehouse;
Fig. 4 is the structural representation of feeding storehouse;
Fig. 5 is the structural representation of cylinder cover plate;
Fig. 6 is the structural representation of cylinder cover plate.
In figure:1st, frame, 2, motor, 3, sealing mechanism, 4, feed mechanism, 5, grinding mechanism, 6, main shaft, 7, circulation pipe,
8th, loading hopper, 9, feeding storehouse, 9-1, charging aperture, 9-2, first flange, 9-3, second flange, 9-4, machine envelope accommodating chamber, 10, feeding
Set, 11, sealed support, 12, mechanical seal, 13, annular seal space, 14, cylinder overcoat, 15, cylinder cover plate, 15-1, conical body,
15-2, adpting flange, 15-3, pipe connection end, 15-4, connecting hole, 15-5, flange, 15-6, discharging opening, 15-7, observation port, 15-
8th, mudhole, 16, grinding chamber, 17, sand grinding section, 18, spinning head, 19, discharging filter screen, 20, plug, 21, motor shaft sleeve.
Specific embodiment
This utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Basic structure of the present utility model is illustrated, therefore which only shows the composition relevant with this utility model.
As shown in figures 1 to 6, a kind of big flow of the present utility model tests sand Mill, including frame 1, is arranged on frame 1
On the motor 2, sealing mechanism 3, feed mechanism 4 and the grinding mechanism 5 that are sequentially connected and be connected as feed mechanism with motor 2
4 and grinding mechanism 5 main shaft 6 of power is provided, the feed mechanism 4 includes circulation pipe 7, loading hopper 8, feeding storehouse 9 and feeding set
10, feeding set 10 is screw feeding set 10, in the feeding storehouse 9 and is set on the main shaft 6, and the feeding
Set 10 is detachably connected with the main shaft 6, is provided with charging aperture 9-1 at the top of the feeding storehouse 9,8 bottom of the loading hopper with it is described
Charging aperture 9-1 connects, and the feeding storehouse 9 is respectively arranged at two ends with first flange 9-2 and second flange 9-3, first flange 9-2
It is connected with the adpting flange 15-2 by screw, second flange 9-3 is connected with the sealed support 11 by screw.
The sealing mechanism 3 includes sealed support 11 and mechanical seal 12,11 one end of the sealed support by screw with
2 cage connection of the motor, the other end are connected with the feeding storehouse 9, and the sealed support 11,2 shell of motor and feeding storehouse 9 are altogether
With surrounding annular seal space 13, the mechanical seal 12 is positioned close on the main shaft 6 of feeding storehouse 9, the main shaft 6 and the motor 2
Axle is connected to inside annular seal space 13 by motor shaft sleeve 21.
The grinding mechanism 5 includes the grinding chamber 16 surrounded by cylinder overcoat 14 and cylinder cover plate 15, the grinding chamber 16
Grinding bead is provided with inside, the cylinder cover plate 15 is pyramidal structure, the opening end of the cylinder cover plate 15 and the cylinder overcoat 14
Connection, one end that the main shaft 6 is placed in grinding chamber 16 is provided with sand grinding section 17, and the main shaft 6 of 17 front end of the sand grinding section
It is fixedly connected spinning head 18.
As seen in figs. 5-6, the cylinder cover plate 15 includes conical body 15-1, is arranged on conical body 15-1 opening end
Adpting flange 15-2, the pipe connection end 15-3 for being arranged on conical body 15-1 closing in end and with going out that pipe connection end 15-3 is matched
Material mouth 15-6, is evenly distributed multiple connecting hole 15-4 on the adpting flange 15-2, the conical body 15-1 opening end is also
The flange 15-5 for axially extending is provided with, conical body 15-1 upper end is provided with observation port 15-7, and lower end is provided with mudhole 15-8, is seen
Examine hole 15-7 and mudhole 15-8 to be tamping by plug 20.
7 one end of the circulation pipe is connected with discharging opening 15-6 by pipe connection end 15-3, and the other end is extended on loading hopper 8
Side, is additionally provided with the discharging filter screen 19 for filtering between the discharging opening 15-6 and circulation pipe 7.
The feeding storehouse 9 is provided with machine envelope accommodating chamber 9-4 near one end of the sealed support 11, and the mechanical seal 12 is put
The sealing realized in accommodating chamber 9-4 between feeding storehouse 9 and main shaft 6 is sealed in the machine.
Operation principle:
In process of lapping, motor 2 drives main shaft 6 to rotate, and feeding set 10 and sand grinding section 17 are rotated with main shaft 6, to
Material, material is added to be fallen on feeding set 10 by charging aperture 9-1 by the outlet of 8 lower end of loading hopper in loading hopper 8, feeding set 10
Pushed the product in grinding chamber 16 by the helical structure for rotating, sand grinding section 17 is rotated and grinding bead under the drive of main shaft 6
Collective effect realizes the grinding of material on material, and the material on the spinning head 18 of 6 front end of main shaft under the influence of centrifugal force will
Material is got on cylinder cover plate 15, as cylinder cover plate 15 is pyramidal structure, makes material rebound to the postmedian of grinding chamber 16, shape
Into the self-loopa of material, so as to the material for avoiding the accumulation of front end material, grinding passes through the filtration of discharging filter screen 19 by discharging opening
15-6 Jing circulation pipes 7 are entered in feed mechanism 4 again, are circulated grinding, can be observed the grinding of material by observation port 15-7
Situation.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various change and modification completely in the range of without departing from this utility model.This utility model
Technical scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.