CN216063558U

CN216063558U - Raymond mill analyzer cleaning device

Info

Publication number: CN216063558U
Application number: CN202122783292.9U
Authority: CN
Inventors: 翟晓辰; 宋翔宇; 王林山
Original assignee: Henan Liejin Technology Development Co ltd
Current assignee: Henan Liejin Technology Development Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-18
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to a cleaning device of a Raymond mill analyzer, which effectively solves the problem that the screening fineness is higher than the product requirement because the powder is adhered to the blades in the use process of the Raymond mill; the technical scheme who solves includes cylindric casing, the casing top is equipped with the opening, the coaxial pivot that is equipped with in the casing, the pivot lower extreme is located the casing and the level is fixed with the analysis machine impeller, the pivot middle part is equipped with the slider, the slider can rotate with the pivot is synchronous, can follow the pivot and slide from top to bottom again, it has a plurality of stock to articulate on the slider, be fixed with the fixed block in the pivot of slider below, it has the connecting rod that equals with the stock figure to articulate on the fixed block, every connecting rod other end is articulated with the middle part of a stock, the lower extreme of every stock all is fixed with two shell fragments, two shell fragments can be by external force restraint laminating when the slider upwards slides to the peak, the external force disappearance that two shell fragments received when the slider slides down to the minimum can strut to both sides to contact with the blade on the analysis machine impeller.

Description

Raymond mill analyzer cleaning device

Technical Field

The utility model relates to the field of grinding processing, in particular to a cleaning device of a Raymond mill analyzer.

Background

The analyzer in the Raymond mill is an important component which directly influences the fineness of a product, and is mainly used for sorting ground powder, the ground powder moves to the analyzer under the blowing of an air blower, if the powder is large, the moving speed is slow, the ground powder cannot pass through the analyzer in the time when the analyzer rotates at an angle equal to the included angle between two adjacent blades, the powder with small particles can pass through the analyzer at a high moving speed, and then the fineness screening of the powder is realized, but the powder always adheres to the blades when the analyzer works, so that the distance between the two blades is reduced, the screening fineness is higher than the requirement of the product, energy is wasted, the working efficiency is reduced, and the cleaning of the blades of the analyzer is particularly important for ensuring the stable fineness of the powder product.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the cleaning device for the Raymond mill analyzer, which effectively solves the problem that the screening fineness is higher than the product requirement because the blades are adhered with powder in the use process of the Raymond mill.

The technical scheme for solving the problem is that the cleaning device for the Raymond mill analyzer comprises a cylindrical shell, the lower end of the shell is bottomless, an opening is formed in the upper part of the shell, a rotating shaft is coaxially arranged in the shell, the upper end of the rotating shaft extends out of the upper side wall of the shell, the lower end of the rotating shaft is positioned in the shell, and an analyzer impeller is horizontally fixed on the lower end of the rotating shaft;

the middle part of the rotating shaft is provided with a sliding block, the sliding block can synchronously rotate with the rotating shaft and can also slide up and down along the rotating shaft, a plurality of long rods are hinged on the sliding block, a fixed block is fixed on the rotating shaft below the sliding block, connecting rods with the same number as the long rods are hinged on the fixed block, and the other end of each connecting rod is hinged with the middle part of one long rod;

two elastic pieces are fixed at the lower end of each long rod, the two elastic pieces can be restrained and attached by external force when the sliding block slides upwards to the highest point, and the two elastic pieces can be unfolded towards two sides after the external force applied to the two elastic pieces disappears when the sliding block slides downwards to the lowest point and are in contact with blades on the impeller of the analyzer.

The top surface of the inner cavity of the shell is fixed with a gas rod, the other end of the gas rod is fixed with the sliding block, an end face bearing is arranged between the gas rod and the sliding block, and the sliding block can rotate along with the rotating shaft and can slide up and down under the driving of the gas rod due to the end face bearing.

The long rods and the connecting rods are uniformly distributed around the circumference of the rotating shaft, and one long rod and one connecting rod are arranged between every two adjacent blades on the impeller of the analyzer.

Every the shell fragment on all be equipped with two gyro wheels, all overlap on every stock and have a ring, all be fixed with one section rope on every ring, the other end and the fixed block fixed connection of rope, the ring can fall into between four gyro wheels under gravity when two shell fragments are laminated, the ring can be upwards pulled out from between four gyro wheels by the rope when the pulling force is enough on the rope.

Each elastic sheet is wound with soft cloth, and the soft cloth is positioned between the elastic sheet and the analyzer impeller when the two elastic sheets on the same long rod are spread, so that the abrasion of the elastic sheets to the analyzer impeller is prevented.

A belt wheel is fixed on the rotating shaft above the shell and connected with external power to drive the rotating shaft to rotate.

The utility model can clean the powder adhered to the impeller of the analyzer without stopping the machine, avoid the accumulation of materials in the grinding roller cavity, reduce the energy loss under the condition that the product reaches the standard, and has strong practicability.

Drawings

FIG. 1 is a front sectional view of the present invention without cleaning.

FIG. 2 is a front sectional view of the present invention during cleaning.

Fig. 3 is a cross-sectional view a-a of fig. 2 according to the present invention.

FIG. 4 is an enlarged view of the utility model at B in FIG. 1.

Fig. 5 is a schematic view of the long rod of the present invention when two elastic pieces are spread.

Fig. 6 is a schematic view of the long rod of the present invention when two spring pieces are attached.

FIG. 7 is an enlarged view of the utility model at C in FIG. 3.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the analyzer comprises a cylindrical shell 1, the lower end of the shell 1 has no bottom, an opening is arranged above the shell 1, a rotating shaft 2 is coaxially arranged in the shell 1, the upper end of the rotating shaft 2 extends out of the upper side wall of the shell 1, the lower end of the rotating shaft 2 is positioned in the shell 1, and an analyzer impeller 3 is horizontally fixed in the shell 1;

a sliding block 4 is arranged in the middle of the rotating shaft 2, the sliding block 4 can synchronously rotate with the rotating shaft 2 and can slide up and down along the rotating shaft 2, a plurality of long rods 5 are hinged on the sliding block 4, a fixed block 6 is fixed on the rotating shaft 2 below the sliding block 4, connecting rods 7 with the number equal to that of the long rods 5 are hinged on the fixed block 6, and the other end of each connecting rod 7 is hinged with the middle of one long rod 5;

two elastic pieces 8 are fixed at the lower end of each long rod 5, the two elastic pieces 8 can be constrained and attached by external force when the sliding block 4 slides upwards to the highest point, and the two elastic pieces 8 can be unfolded towards two sides after the external force borne by the two elastic pieces 8 disappears when the sliding block 4 slides downwards to the lowest point and are in contact with blades on the impeller 3 of the analyzer.

The top surface of the inner cavity of the shell 1 is fixed with an air rod 9, the other end of the air rod 9 is fixed with the sliding block 4, an end face bearing is arranged between the air rod 9 and the sliding block 4, and the end face bearing enables the sliding block 4 to rotate along with the rotating shaft 2 and to slide up and down under the driving of the air rod 9.

The long rod 5 and the connecting rod 7 are uniformly distributed around the circumference of the rotating shaft 2, and one long rod 5 and one connecting rod 7 are arranged between every two adjacent blades on the impeller 3 of the analyzer.

Every shell fragment 8 on all be equipped with two gyro wheel 10, all overlap on every stock 5 and have a ring 11, all be fixed with one section rope 12 on every ring 11, the other end and the 6 fixed connection of fixed block of rope 12, ring 11 can fall into between four gyro wheels 10 under gravity when two shell fragments 8 are laminated, ring 11 can be upwards pulled out by rope 12 from between four gyro wheels 10 when the pulling force is enough on the rope 12.

Every shell fragment 8 on all twine soft cloth, soft cloth is located between shell fragment 8 and the analysis machine impeller 3 when two shell fragments 8 on same stock 5 strut, prevents that shell fragment 8 from causing wearing and tearing to analysis machine impeller 3.

A belt wheel 13 is fixed on the rotating shaft 2 above the shell 1, and the belt wheel 13 can drive the rotating shaft 2 to rotate after being connected with external power.

When the grinder is used, the lower end of a shell 1 is connected with the upper end of a cylinder body of a Raymond mill, an opening at the upper end of the shell 1 is connected with a discharge pipeline, an air rod 9 is connected with an air pump, a belt wheel 13 is connected with a power device, the power device and a Raymond mill main machine are started, materials are repeatedly ground into powder by a grinding roller, the powder moves upwards under the blowing of an air blower, the powder with fineness meeting the product requirement smoothly passes through an impeller 3 of the analyzer, the powder with fineness not meeting the product requirement is thrown to the inner wall of the shell 1 by the analyzer, and then the powder falls into a grinding roller cavity to be continuously ground;

in a period of time when the analyzer starts to work, the air rod 9 is in a retraction state, the sliding block 4 is located at the highest point of the motion track of the sliding block 4, the connecting rod 7 drives the long rod 5 to be in a vertical state, two elastic pieces 8 on the same long rod 5 are extruded to be attached by two adjacent blades on the analyzer impeller 3, the circular ring 11 crosses the upper roller 10 and falls between the four rollers 10, the rope 12 is in a loose state, the fixed block 6 drives the connecting rod 7 to rotate along with the rotating shaft 2, the connecting rod 7 drives the sliding block 4 to rotate through the long rod 5, namely the fixed block 6, the sliding block 4, the long rod 5 and the connecting rod 7 rotate synchronously with the rotating shaft 2, and the air rod 9 and the sliding block 4 cannot generate motion interference due to the fact that an end face bearing is arranged between the air rod 9 and the sliding block 4;

along with the continuous operation, the analyzer impeller 3 is adhered with powder, the adhered powder can not only cause the analyzer impeller 3 to vibrate in the rotation, but also reduce the interval between two adjacent blades on the analyzer impeller 3, so that the powder meeting the product requirement cannot pass through the analyzer impeller 3 and fall into the grinding roller cavity, the material crushing time is prolonged, the material in the grinding roller cavity can be overstocked under the condition of unchanged feeding speed, the load of a Raymond mill host machine is increased, excessive abrasion is caused to the Raymond mill, and the energy consumption is increased, so that a worker starts an air pump after the Raymond mill works for a period of time, and the air pump drives the air rod 9 to continuously extend and retract;

when the air rod 9 extends, the sliding block 4 slides downwards, the fixing block 6 is fixed, the connecting rod 7 rotates, the lower end of the long rod 5 and the two spring pieces 8 move towards the direction far away from the axis of the rotating shaft 2, although the distance between two adjacent blades on the analyzer impeller 3 is gradually increased in the direction far away from the axis of the rotating shaft 2, and the spring pieces 8 lose the external force given by the analyzer impeller 3 when moving towards the outside, because the ring 11 is positioned between the four rollers 10 at the moment, the two spring pieces 8 are still in a joint state, the two spring pieces 8 cannot be contacted with the analyzer impellers 3 on two sides in the process of moving towards the outside until the air rod 9 pushes the sliding block 4 to move to the lowest point, the spring pieces 8 also move to the outermost side, at the moment, the rope 12 is in a tightening state, and the pulling force on the rope 12 enables the ring 11 to press the two rollers 10 above, so that the two spring pieces 8 are jointed more tightly, and finally the ring 11 can move to the long rod 5 over the two rollers 10 above under the pulling force of the rope 12, at the moment, the two elastic sheets 8 are not subjected to the action of external force any more and are naturally opened, and the soft cloth on the two elastic sheets 8 is respectively contacted with the blades on the two sides;

the air rod 9 retracts immediately under the action of the controller after pushing the sliding block 4 to move to the lowest point, the air rod 9 drives the sliding block 4 to move upwards again, in the process that the sliding block 4 moves upwards, the two elastic sheets 8 move towards the direction close to the axis of the rotating shaft 2 under the action of the connecting rod 7, in the process that the two elastic sheets 8 move inwards, the two elastic sheets 8 support the soft cloth to be always in contact with the blades on the analyzer impeller 3, then the adhered powder on the analyzer impeller 3 is scraped, the scraping direction is inclined downwards, the adhered powder is prevented from directly separating from the analyzer impeller 3 from the upper part under the blowing of the blower, along with the continuous inward movement of the elastic sheets 8, the highest point of the distance between two adjacent blades on the analyzer impeller 3 is continuously reduced, the air rod 9 stops retracting when the sliding block 4 moves to the lowest point, at the moment, the two elastic sheets 8 are extruded by the analyzer impeller 3 again to be adhered, the ring 11 passes over the upper roller 10 again under gravity and is positioned among the four rollers 10, and the movement is repeated, so that the powder adhered to the impeller 3 of the analyzer is cleaned.

The utility model has the following remarkable advantages:

1. the sliding block 4 is driven by the air rod 9 to slide up and down, and a worker only needs to start the air pump when the worker finds that the fineness of a product is too high at intervals, so that the sliding block 4 drives the elastic sheet 8 at the lower end of the long rod 5 to slide radially relative to the analyzer impeller 3 under the synergistic action of the fixed block 6 and the connecting rod 7 when moving up and down, blades on the analyzer impeller 3 are cleaned, the accumulation of materials in a grinding roller cavity is prevented, the conditions of excessive wear and energy consumption increase caused by Raymond grinding are avoided, the sliding block 4 and the fixed block 6 of the device rotate synchronously with the rotating shaft 2 all the time, the machine does not need to be stopped when powder needs to be cleaned, the working time is saved, the working efficiency is improved, and the working efficiency is improved

2. According to the utility model, the roller 10 is arranged on the elastic sheet 8, the ring 11 is arranged on the long rod 5, and the ring 11 is connected with the fixed block 6 through the rope 12, so that the elastic sheet 8 is in a fit state when moving outwards, the elastic sheet 8 can be contacted with the analyzer impeller 3 when moving inwards, powder adhered to the analyzer impeller 3 is scraped downwards, the phenomenon that the elastic sheet 8 is contacted with the analyzer impeller 3 when moving outwards so that the powder is scraped upwards is avoided, the powder directly enters the discharge pipeline under the action of the air blower, the purity of the product is reduced, and the practicability is strong.

3. When the cleaning work is not carried out, the long rod 5 is in a vertical state, the area swept by the long rod 5 is the smallest when the rotating shaft 2 rotates, and the long rod 5 is prevented from interfering the screening work of the analyzer.

Claims

1. A cleaning device for a Raymond mill analyzer comprises a cylindrical shell (1), the lower end of the shell (1) is bottomless, an opening is arranged above the shell (1), a rotating shaft (2) is coaxially arranged in the shell (1), the upper end of the rotating shaft (2) extends out of the upper side wall of the shell (1), the lower end of the rotating shaft (2) is positioned in the shell (1) and is horizontally fixed with an analyzer impeller (3), the novel multifunctional electric iron is characterized in that a sliding block (4) is arranged in the middle of a rotating shaft (2), the sliding block (4) can synchronously rotate with the rotating shaft (2) and can slide up and down along the rotating shaft (2), a plurality of long rods (5) are hinged on the sliding block (4), a fixed block (6) is fixed on the rotating shaft (2) below the sliding block (4), connecting rods (7) with the number equal to that of the long rods (5) are hinged on the fixed block (6), and the other end of each connecting rod (7) is hinged with the middle of one long rod (5);

two elastic pieces (8) are fixed at the lower end of each long rod (5), the two elastic pieces (8) can be restrained and attached by external force when the sliding block (4) slides upwards to the highest point, and the external force exerted on the two elastic pieces (8) disappears and can be spread to two sides when the sliding block (4) slides downwards to the lowest point, and the two elastic pieces are in contact with blades on the impeller (3) of the analyzer.

2. The cleaning device for the Raymond mill analyzer according to claim 1, characterized in that a gas rod (9) is fixed on the top surface of the inner cavity of the housing (1), the other end of the gas rod (9) is fixed with the slide block (4), and an end face bearing is arranged between the gas rod (9) and the slide block (4).

3. The cleaning device for the Raymond mill analyzer according to claim 1, characterized in that the long rods (5) and the connecting rods (7) are uniformly arranged around the circumference of the rotating shaft (2), and one long rod (5) and one connecting rod (7) are arranged between every two adjacent blades on the analyzer impeller (3).

4. The cleaning device for the Raymond mill analysis machine according to claim 1, characterized in that each spring plate (8) is provided with two rollers (10), each long rod (5) is sleeved with a ring (11), each ring (11) is fixed with a section of rope (12), the other end of each rope (12) is fixedly connected with the fixed block (6), the ring (11) can fall into the space between the four rollers (10) under the gravity when the two spring plates (8) are attached, and the ring (11) can be pulled out upwards from the space between the four rollers (10) by the rope (12) when the pull force on the rope (12) is enough.

5. The cleaning device for the Raymond mill analysis machine according to claim 1, characterized in that each spring (8) is wound with a soft cloth, and the soft cloth is located between the spring (8) and the analysis machine impeller (3) when two springs (8) on the same long rod (5) are spread.

6. The cleaning device for Raymond mill analyzers according to claim 1, characterized in that a pulley (13) is fixed to the rotating shaft (2) above the housing (1).