CN210410967U

CN210410967U - Fine grinding device for fused quartz powder

Info

Publication number: CN210410967U
Application number: CN201921079369.0U
Authority: CN
Inventors: 张绍强
Original assignee: Xinyi Vanward Mining Co ltd
Current assignee: Xinyi Vanward Mining Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-28
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a fine grinder of fused silica powder, including supporting box, there is the grinding case on supporting box's top through bolted connection, and the inside top of grinding the case is equipped with two feeding chambeies, there are two driving motor at the top of grinding the case through bolted connection, and two driving motor's output shaft all has the connecting axle through bolted connection, there is the abrasive disc that three cross section is trapezium structure in the outside of connecting axle through bolted connection, and the outside of abrasive disc is equipped with a plurality of abrasive segments. The utility model discloses in, quartz granule is through the breakage and the grinding between three abrasive disk and the grinding ring, and two grinding areas grind the operation in step, and grinding efficiency is high, simultaneously, triple grinding operation, and the grinding quality is high, and the quartz powder that grinds the completion passes through the screening of shale shaker, and qualified quartz powder gets into the inside of collecting box, and unqualified quartz powder granule is held back and is ground once more on the shale shaker, convenience simple to use.

Description

Fine grinding device for fused quartz powder

Technical Field

The utility model relates to a fused silica powder production technical field especially relates to a fine grinder of fused silica powder.

Background

The fused silica powder is one kind of silica powder product, and has high whiteness, no impurity, low iron content and other features, so that it has wide application range.

In fused silica powder production process, it is crucial to the grinding of its raw materials, and current mainly relies on the ball mill to grind the raw materials, directly drops into the grinder with quartz raw materials and grinds, directly takes out after grinding, and this kind of mode through once only grinding, the granule size of the quartz powder that grinds out is not uniform, and needs long-time rotation to grind, and is inefficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fused quartz powder fine grinding device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fine grinder of fused silica flour, includes supporting box, there is grinding box on supporting box's top through bolted connection, and grinds the inside top of case and be equipped with two feeding chambeies, there are two driving motor at grinding box's top through bolted connection, and two driving motor's output shaft all has the connecting axle through bolted connection, there is the abrasive disc that three cross section is trapezium structure in the outside of connecting axle through bolted connection, and the outside of abrasive disc is equipped with a plurality of abrasive segments, there are a plurality of grinding rings in grinding box's inside through bolted connection, and the inner wall of grinding ring be equipped with the grinding groove of abrasive segment looks adaptation, supporting box's inside top is connected with the shale shaker through the extension spring, and the collecting box has been placed to supporting box's inside bottom.

Preferably, six the grinding piece size on the abrasive disc reduces from last down in proper order, and the clearance between abrasive disc and the grinding ring reduces from last down in proper order.

Preferably, the grinding box is internally connected with a plurality of reinforcing rib rods through bolts, a limiting bearing is connected between the reinforcing rib rods at the same height through bolts, and the connecting shaft is inserted into an inner ring of the limiting bearing.

Preferably, one side of supporting box is equipped with the rectangle opening, and the rectangle open-ended outside is connected with the collection box through the hasp lock, and the one end of shale shaker extends to the inside of collection box.

Preferably, the top of feeding chamber has the feeder hopper through flange joint, and the bottom exit of feeder hopper is located between two feeding chambers.

Preferably, the water bath device further comprises a water bath cavity arranged inside the wall of the supporting box, and the water bath cavity is connected with cooling water inlet and return water through pipelines respectively.

Preferably, the limiting bearing is replaced by a planetary gearbox, and an input shaft and an output shaft of the planetary gearbox are respectively and stably connected with the two adjacent grinding discs through bolts.

The utility model has the advantages that:

1. the utility model provides a fine grinder of fused silica flour, quartz granule through three abrasive disc and the grinding between the grinding ring, two grinding area grind the operation in step, the grinding efficiency is high, simultaneously, triple grinding operation, the grinding quality is high, grind the quartz powder of accomplishing through the screening of shale shaker, qualified quartz powder gets into the inside of collection box, unqualified quartz powder granule is held back and is ground once more on the shale shaker, convenience simple to use.

2. The utility model provides a fine grinder of fused silica powder, when quartz ground into powder, the fineness of grinding down increases in proper order from last for the particle diameter of quartz powder finally obtains required quartz powder through grinding many times, the improvement quartz powder processingquality that is showing, at the spacing bearing of internally mounted of grinding case, carry out effectual spacing support to the connecting axle, the improvement abrasive disc that can show rotates the stability of in-process, can effectually avoid the phenomenon emergence that the abrasive disc skew caused the damage, further improve the efficiency of quartz powder abrasive machining.

3. The utility model provides a fine grinder of fused silica powder can in time take away the heat that the grinding operation produced, and the temperature of avoiding grinding causes the damage of device, extension fixture's life.

4. The utility model provides a fine grinder of fused silica flour is through the variable speed effect of planet gearbox when improving abrasive disc rotational stability for from last abrasive disc rotational speed that down distributes increases gradually, increases grinding block in proper order and grinds the slew velocity between the thread groove, and the improvement that is showing is to the grinding effect of quartz flour, further improves the quality to quartz flour abrasive machining.

Drawings

FIG. 1 is a schematic cross-sectional view of a fine grinding apparatus for fused silica powder according to the present invention;

FIG. 2 is a schematic side view of a fine grinding apparatus for fused silica powder according to the present invention;

FIG. 3 is a schematic structural view of a grinding plate of the fine grinding device for fused silica powder according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a fine grinding device for fused silica powder according to an embodiment of the present invention.

In the figure: the grinding machine comprises a support box 1, a collection box 2, a vibrating screen 3, a reinforcing rib rod 4, a limiting bearing 5, a grinding box 6, a feeding cavity 7, a feeding hopper 8, a driving motor 9, a connecting shaft 10, a grinding block 11, a grinding disc 12, a grinding ring 13, a recovery box 14, a planetary gearbox 15 and a water bath cavity 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a fine grinding device for fused silica powder comprises a supporting box 1, the top end of the supporting box 1 is connected with a grinding box 6 through bolts, the top end of the inside of the grinding box 6 is provided with two feeding cavities 7, the top of the grinding box 6 is connected with two driving motors 9 through bolts, the output shafts of the two driving motors 9 are connected with a connecting shaft 10 through bolts, the outer side of the connecting shaft 10 is connected with three grinding discs 12 with trapezoidal cross sections through bolts, the outer side of the grinding disc 12 is provided with a plurality of grinding blocks 11, the inside of the grinding box 6 is connected with a plurality of grinding rings 13 through bolts, the inner walls of the grinding rings 13 are provided with grinding grooves matched with the grinding blocks 11, the top end of the inside of the supporting box 1 is connected with a vibrating screen 3 through a tension spring, the bottom end of the inside of the supporting box 1 is provided with a collecting box 2, when in use, quartz particles are poured into the inside of the two, start two driving motor 9 and drive abrasive disc 12 and rotate, quartz granule enters into between abrasive disc 12 and the grinding ring 13 through the effect of gravity, quartz granule is through the breakage and the grinding between three abrasive disc 12 and the grinding ring 13, two grinding areas grind the operation in step, the grinding efficiency is high, and simultaneously, triple grinding operation, the grinding quality is high, grind the screening of quartz powder process shale shaker 3 of accomplishing, qualified quartz powder enters into the inside of collecting box 2, unqualified quartz powder granule is held back and is ground once more on shale shaker 3, and is simple to use and convenient.

In the utility model, the size of the grinding blocks 11 on the six grinding discs 12 is reduced from top to bottom in sequence, and the gap between the grinding discs 12 and the grinding ring 13 is reduced from top to bottom in sequence, when the device grinds the quartz stone into powder, the grinding fineness is increased from top to bottom in sequence, so that the particle diameter of the quartz powder is ground for a plurality of times to finally obtain the required quartz powder, and the processing quality of the quartz powder is obviously improved;

the grinding box 6 is internally connected with a plurality of reinforcing rib rods 4 through bolts, the reinforcing rib rods 4 at the same height are connected with limit bearings 5 through bolts, the connecting shaft 10 is inserted into the inner rings of the limit bearings 5, the limit bearings 5 are arranged in the grinding box 6, and the connecting shaft 10 is effectively limited and supported, so that the stability of the grinding disc 12 in the rotating process can be obviously improved, the phenomenon that the grinding disc 12 is damaged due to deviation can be effectively avoided, and the grinding efficiency of quartz powder is further improved;

one side of the supporting box 1 is provided with a rectangular opening, the outer side of the rectangular opening is connected with a recovery box 14 through a hasp lock, one end of the vibrating screen 3 extends into the recovery box 14, and when the vibrating screen 3 screens quartz powder, the gathered unqualified quartz powder particles gradually fall into the recovery box 14 through the vibration effect, so that repeated grinding is convenient for the quartz powder particles, and convenience is brought to workers;

the top end of the feeding cavity 7 is connected with a feeding hopper 8 through a flange, and the outlet at the bottom end of the feeding hopper 8 is positioned between the two feeding cavities 7, so that the added quartz stone particles can uniformly fall into the two feeding cavities 7.

The working principle is as follows: at the idle position of the device, all the electric devices, namely power elements, electric devices, adaptive controllers and power supplies are connected through leads, the specific connection means refers to the following working principle that the electric devices are electrically connected in sequence, the detailed connection means is a known technology in the field, the following main introduces the working principle and process without explaining the electric control, when in use, quartz stone particles are poured into the two feeding cavities 7, the two driving motors 9 are started to drive the grinding discs 12 to rotate, the quartz stone particles enter between the grinding discs 12 and the grinding rings 13 through the action of gravity, the quartz stone particles are crushed and ground between the three grinding discs 12 and the grinding rings 13, the two grinding areas synchronously carry out grinding operation, the grinding efficiency is high, and simultaneously, triple grinding operation is carried out, the grinding quality is high, the ground quartz powder is screened by the vibrating screen 3, the qualified quartz powder enters the collecting box 2, the unqualified quartz powder particles are intercepted on the vibrating screen 3 for secondary grinding, and the use is simple and convenient;

this device is grinding into when powder to quartz, the fineness of grinding down increases from last in proper order, make the particle diameter of quartz finally obtain required quartz through grinding many times, the improvement quartz processingquality who is showing, at the spacing bearing 5 of internally mounted of grinding case 6, carry out effectual spacing support to connecting axle 10, improvement abrasive disc 12 that can show rotates the stability of in-process, can effectually avoid abrasive disc 12 skew to cause the phenomenon of damage to take place, further improve the efficiency of quartz grinding processing, when shale shaker 3 sieves quartz, the unqualified quartz powder granule of collectible passes through the effect of vibration, progressively fall into to the inside of collection box 14, the convenience is ground repeatedly to it, bring the facility for the staff.

Example two

Referring to fig. 2-4, the fine grinding device for the fused quartz powder further comprises a water bath cavity 16 arranged inside the wall of the support box 1, wherein the water bath cavity 16 is connected with cooling water inlet and return water through pipelines respectively, and during grinding operation, the cooling water is introduced into the water bath cavity 16, so that heat generated by grinding operation can be taken away in time, the damage to the device caused by grinding temperature is avoided, and the service life of the device is prolonged;

replace limit bearing 5 for planetary gearbox 15, and planetary gearbox 15's input shaft and output shaft are connected with two adjacent abrasive disc 12 are firm through bolt respectively, planetary gearbox 15's gear ratio is greater than two, utilize planetary gearbox 15 to replace limit bearing 5 in the embodiment one, through planetary gearbox 15's speed change effect when improving abrasive disc 12 rotational stability, make from last abrasive disc 12 rotational speed that down distributes increase gradually, increase the slew velocity between grinding piece 11 and the grinding thread groove in proper order, the improvement that is showing is to the grinding effect of quartz powder, further improve the quality to quartz powder abrasive machining.

The working principle is as follows: when the grinding operation, let in the cooling water in the inside of water bath chamber 16, can in time take away the heat that the grinding operation produced, the temperature of avoiding grinding causes the damage of device, the life of extension fixture, utilize planet gearbox 15 to replace limit bearing 5 in the embodiment one, through planet gearbox 15's speed change effect when improving abrasive disc 12 rotational stability, make from the last abrasive disc 12 rotational speed that down distributes increase gradually, increase the slew velocity between grinding piece 11 and the grinding thread groove in proper order, the improvement that is showing is to the grinding effect of quartz powder, further improve the quality to quartz powder abrasive machining.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fine grinding device for fused quartz powder comprises a supporting box (1), wherein the top end of the supporting box (1) is connected with a grinding box (6) through a bolt, and the top end inside the grinding box (6) is provided with two feeding cavities (7), the fine grinding device is characterized in that the top of the grinding box (6) is connected with two driving motors (9) through bolts, output shafts of the two driving motors (9) are connected with a connecting shaft (10) through bolts, the outer side of the connecting shaft (10) is connected with three grinding discs (12) with trapezoidal cross sections through bolts, the outer side of each grinding disc (12) is provided with a plurality of grinding blocks (11), the inside of the grinding box (6) is connected with a plurality of grinding rings (13) through bolts, the inner wall of each grinding ring (13) is provided with a grinding grain groove matched with the corresponding grinding block (11), the top end inside the supporting box (1) is connected with a vibrating screen (3) through a tension spring, and the collecting box (2) is arranged at the bottom end in the supporting box (1).

2. The fine grinding device for fused silica powder according to claim 1, wherein the size of the grinding blocks (11) on the six grinding disks (12) is reduced from top to bottom, and the gaps between the grinding disks (12) and the grinding ring (13) are reduced from top to bottom.

3. The fine grinding apparatus for fused silica powder according to claim 2, wherein the grinding box (6) is internally connected with a plurality of reinforcing bars (4) by bolts, and a limit bearing (5) is connected between the reinforcing bars (4) at the same height by bolts, and the connecting shaft (10) is inserted into the inner ring of the limit bearing (5).

4. A fine grinding apparatus for fused silica powder according to claim 3, wherein said supporting box (1) is provided with a rectangular opening at one side thereof, and a recovery box (14) is connected to the outside of the rectangular opening by snap-lock, and one end of the vibrating screen (3) is extended to the inside of the recovery box (14).

5. A fine grinding apparatus for fused silica powder according to claim 4, wherein the top end of said feeding chamber (7) is flanged with a feeding hopper (8), and the outlet at the bottom end of the feeding hopper (8) is located between the two feeding chambers (7).

6. The fine grinding device for the fused quartz powder according to any one of claims 1 to 5, further comprising a water bath chamber (16) arranged inside the wall of the support box (1), wherein the water bath chamber (16) is connected with cooling water inlet and return water through pipelines respectively.

7. The fine grinding device for fused silica powder according to claim 3, wherein the limit bearing (5) is replaced by a planetary gearbox (15), and an input shaft and an output shaft of the planetary gearbox (15) are respectively and stably connected with the two adjacent grinding discs (12) through bolts.