CN211463816U

CN211463816U - Sieving mechanism of industrial flour mill

Info

Publication number: CN211463816U
Application number: CN201921888809.7U
Authority: CN
Inventors: 黄宗翠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-11
Anticipated expiration: 2029-11-05

Abstract

The embodiment of the utility model discloses a sieving mechanism of industrial milling machine, including accessory case and screening chamber, the screening chamber transversely has set gradually mill flour axle and screening net from top to bottom, install the motion in the accessory case, the motion includes motion pole and T shape support, T shape support top is installed and is provided with the carousel, the outward flange fixed mounting of carousel has incomplete fan-shaped tooth, and the position fixed mounting that corresponds the carousel on the motion pole has passive rack, fan-shaped tooth and passive rack intermeshing, and the motion pole is close to the one end fixed mounting who screens the net has a top driving lever, the other end of motion pole passes through reset spring fixed mounting on the lateral wall of accessory case; this device drives the screen cloth through motion mechanism and does the reciprocating motion process about, and then avoids causing the screen cloth to block up, can also get rid of away and collect the miscellaneous material that does not conform to the requirement automatically.

Description

Sieving mechanism of industrial flour mill

Technical Field

The embodiment of the utility model provides a relate to industry milling machine equipment technical field, concretely relates to sieving mechanism of industry milling machine.

Background

The milling machine is widely applied to the milling processing of mineral product materials in the fields of metallurgy, chemical industry, mine and the like, particles which are large and do not meet requirements due to insufficient milling can appear in the milling process, and other impurities which are not crushed exist, so that the large particles and the impurities are separated out and need to be subjected to screening operation.

However, the existing screening device for industrial mills has the following defects:

in sieving mechanism, the screening mesh aperture is very little, simultaneously because powdered material accumulation causes the jam of screen cloth easily, also causes the accumulation material easily around the screening net, and traditional sieving mechanism is to removing the accumulation material on the manual clearance screening net by the manpower, has increased staff's burden, has reduced the efficiency of work.

Present sieving mechanism of another aspect can not realize broken and independently remove the impurity function, and some materials have taken place the consolidation in the in-process of transportation promptly, but still filter away it as the powder that does not reach standard when the screening, have influenced crocus efficiency.

SUMMERY OF THE UTILITY MODEL

Overcome the problem among the background for this reason, the embodiment of the utility model provides a sieving mechanism of industrial flour mill can effectively solve among the prior art material and pile up the jam that leads to and can not broken problem of concreteing the powder.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a screening device of an industrial pulverizer comprises an accessory box and a screening chamber which is arranged on the side face of the accessory box in parallel and is installed through a rack, wherein a pulverized powder feeding port is arranged at the top end of the screening chamber, a pulverized powder shaft and a screening net are sequentially and transversely arranged below the feeding port from top to bottom, and a movement mechanism for driving the screening net to reciprocate left and right is installed in the accessory box;

the motion mechanism includes the motion pole and establishes the T shape support at the accessory incasement with the motion pole cover, T shape support top is installed and is provided with the carousel, fixed being provided with the pivot in carousel center one side and rotating through the bearing and connect driving motor, the outward flange fixed mounting of carousel has incomplete fan-shaped tooth, just is in the last position fixed mounting who corresponds the carousel of motion pole has passive rack, fan-shaped tooth and passive rack intermeshing, just the one end fixed mounting that the motion pole is close to the screening net has a driving lever the other end of motion pole passes through reset spring fixed mounting on the lateral wall of accessory case.

Furthermore, the right end of the screening net is provided with a sundry material outlet, the sundry material outlet is attached with a collecting box, and the center of the bottom of the screening chamber is provided with a discharge hole.

Furthermore, the screening chamber is of a hollow rectangular structure, parallel concave strip grooves are formed in the inner wall surfaces of the front side and the rear side of the screening chamber respectively, and the screening net is sleeved in the concave strip grooves in a downward inclined state and slides along the concave strip grooves.

Furthermore, a smooth inclined baffle is arranged above the right side of the screening net, and a screening gap is formed between the lowest end of the inclined baffle and the plane where the screening net is located.

Further, slope baffle one end is provided with articulated shaft fixed connection on the indoor wall of screening, the slope baffle becomes the angle with vertical direction to be supported by the elastic ball.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a motion drives the screening net and is periodic reciprocating motion about, the messenger falls on the material on the screening net and carries out the screening process fast, be difficult to on the screening net cause the accumulation, the granule and the impurity that are not conform to the size are collected because the motion of screening net and slope roll into miscellaneous material discharge port automatically, the process of screening has been accelerated greatly, manual operation has been reduced, the efficiency of work has been improved, and the in-process of vibration can also be with the powder of consolidation broken mark screening once more go out.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the motion mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the whole structure A of the present invention;

in the figure:

1-fitting box; 2-a motion mechanism; 3-a feed inlet; 4-a crushing knife; 5, a collecting box; 6-grinding the powder shaft; 7-inclined baffles; 8-an elastic ball; 9-a discharge hole; 10-a screening chamber; 11-T-shaped brackets; 12-a turntable; 13-sector teeth; 14-top deflector rod; 15-a return spring; 16-screening gap; 17-a motion bar; 18-a passive rack; 19-groove grooves; 20-screening the net; 21-sundries removal port.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the utility model provides a sieving mechanism of industrial milling machine, including accessory case 1, the fixed screening chamber 10 that is provided with in accessory case 1 right side, the top of screening chamber 10 is the feed inlet 3 of crocus transversely install broken sword 4 in the feed inlet 3, can carry out first shredding by broken sword 4 earlier when adding the material, the warp again under the feed inlet 3 from the top down gets into crocus axle 6 and the screening mesh 20 of horizontal setting in proper order.

The movement mechanism 2 comprises a movement rod 17 and a T-shaped support 11, the movement rod 17 is sleeved in the accessory box, a rotary table 12 is installed at the top of the T-shaped support 11, and a rotary shaft is fixedly arranged on one side of the center of the rotary table 12 and is connected with a driving motor in a rotating mode through a bearing.

Incomplete sector teeth 13 are fixedly arranged on the outer edge of the rotary disc 12, a driven rack 18 is fixedly arranged on the moving rod 17 corresponding to the position of the rotary disc 12, and the sector teeth 13 are meshed with the driven rack 18.

When the starting motor drives the rotary disc 12 to move, the rotary disc 12 is provided with incomplete sector teeth 13, the movable rod 17 can only be driven to a certain position, and when the sector teeth are not meshed, the movable rod returns to the original position under the action of the return spring, so that a cycle of reciprocating motion is completed.

The screening device is characterized in that a moving mechanism 2 arranged in the accessory box 1 drives a screening net 20 to reciprocate left and right to enter a screening process, a sundry discharge port 21 is formed in the right end of the screening net 20, a collection box 5 is attached to the sundry discharge port 21, a smooth inclined baffle 7 is arranged on the upper right side of the screening net 20, a discharge port 9 is formed in the center of the bottom of the screening chamber 10, and the bottom of the screening chamber 10 is of an inverted conical structure and is connected with the discharge port 9, so that materials can be conveniently collected in a concentrated mode.

In order to improve the vibration reaction of the screening net 20 by the movement of the moving rod 17, a top deflector rod 14 is fixedly arranged at one end of the moving rod 17 close to the screening net 20, the top deflector rod 14 is driven after the moving rod 17 reciprocates left and right, the top deflector rod 14 drives the screening net 20 to move within a larger range, and the moving rod 17 is pulled back to the original position by a return spring 15 arranged at the other end after power is lost.

In a preferred embodiment, the screening chamber 10 is a hollow rectangular structure, parallel concave grooves 19 are respectively formed on the inner wall surfaces of the front side and the rear side of the screening chamber 10, and the screening net 20 is sleeved in the concave grooves 19 in a downward inclined state and slides along the concave grooves 19.

Since the screen 20 is arranged in the groove 19, no large positions can occur, since the groove 19 is defined such that the screen can only be displaced laterally along the definition of the groove 19.

Of course, in this embodiment, in order to enable the screen to vibrate, the width of the concave groove 19 may be set to be larger, so that the screen can have a larger position, and the screen can jump when being reset, thereby implementing two movement modes of lateral movement and jumping.

The moving rod 17 is provided with driven teeth 18 meshed with the sector gear 16, the driven teeth 18 are linearly arranged on the moving rod 17 at equal intervals, and the rotating disc 12 drives the moving rod 17 to reciprocate left and right, so that the screening process of the screening net 20 is realized.

As a preferable embodiment, one end of the inclined baffle 7 is provided with a hinged shaft which is fixedly connected on the inner wall of the screening chamber 10, the inclined baffle 7 forms an angle of 30 degrees with the vertical direction when not working and is supported by the elastic ball 8, when the material falls, a part of the material directly falls near the sundry material outlet 21, the inclined baffle 7 avoids the process, and the screening quality is ensured.

A smooth inclined baffle 7 is arranged above the right side of the screening net 20, a screening gap is formed between the lowest end of the inclined baffle 7 and the plane where the screening net 20 is located, the screening gap is formed, so that part of temporarily solidified powder can be prevented from being screened out, and the powder can be broken in the later vibration process and can be utilized. On the other hand, to facilitate the passage of the impurities into the collection box, the screening mesh 20 is prevented from coming into contact with the inclined baffle 7 during its movement.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A screening device of an industrial pulverizer comprises an accessory box (1) and a screening chamber (10) which is arranged on the side face of the accessory box (1) in parallel and installed through a rack, wherein the top end of the screening chamber (10) is a grinding feed inlet (3), and the screening device is characterized in that a grinding shaft (6) and a screening net (20) are sequentially and transversely arranged below the feed inlet (3) from top to bottom, and a moving mechanism (2) for driving the screening net (20) to reciprocate left and right is installed in the accessory box (1);

motion (2) establish T shape support (11) at the accessory incasement including motion pole (17) and with motion pole (17) cover, carousel (12) are installed at T shape support (11) top, carousel (12) center one side is fixed to be provided with the pivot and rotate through the bearing and connect driving motor, the outward flange fixed mounting of carousel (12) has incomplete fan-shaped tooth (13), and is in the one end fixed mounting who corresponds carousel (12) on motion pole (17) has passive rack (18), fan-shaped tooth (13) and passive rack (18) intermeshing, just motion pole (17) are close to screening net (20) has top driving lever (14) the other end of motion pole (17) passes through reset spring (15) fixed mounting on the lateral wall of accessory case (1).

2. A screening arrangement of an industrial mill according to claim 1, characterized in that at the right end of the screen mesh (20) there is arranged a impurities discharge opening (21), which impurities discharge opening (21) is fitted with a collection box (5), and in that the centre of the bottom of the screening chamber (10) is arranged a discharge opening (9).

3. A screening apparatus for industrial mills according to claim 2, characterized in that the screening chamber (10) is of hollow rectangular structure, that parallel grooves (19) are provided on the inner wall surfaces of the front and rear sides of the screening chamber (10), respectively, and that the screening mesh (20) is fitted in the groove (19) in a downwardly inclined state and slides along the groove (19).

4. A screening arrangement in an industrial mill according to claim 1, characterized in that the screening wire (20) is provided with a smooth inclined baffle (7) at the upper right, and that the lowermost end of the inclined baffle (7) is provided with a screening gap (16) in the plane of the screening wire (20).

5. A screening arrangement in an industrial mill according to claim 4, characterized in that the inclined baffle (7) is provided with an articulated shaft at one end and is fixedly connected to the inner wall of the screening chamber (10), the inclined baffle (7) being at an angle of 30 degrees to the vertical and being supported by the resilient balls (8).