CN213644871U - Classifying screen - Google Patents

Abstract

The utility model discloses a classifying screen, including the frame, the sieve case suspends in midair in the frame through the universal rod of fixing in the four corners, sieve roof portion is provided with the feed inlet, has set gradually first screen frame, second screen frame, collection board at sieve incasement portion top-down, sieve case lower part still is provided with and is used for driving the rotating device that the sieve case rocked, the utility model discloses according to the material of different specifications, change the screen cloth of different diameters, simple, convenient, swift, it is more convenient when maintaining moreover to inspect, and the adjustment is also more convenient, has reduced intensity of labour, has improved work efficiency.

Description

Classifying screen

Technical Field

The utility model relates to a sieve material equipment technical field especially relates to a classifying screen.

Background

The inspection and impurity removal of powder are the main procedures of screening and grading equipment of processing technologies in many industries, and can realize the grading and impurity removal of granular and powdery materials according to the granularity. In the process of pulverizing, if effective classification can not be carried out according to the design requirements, the flow distribution of each subsequent system can be unbalanced, so that the load of subsequent equipment is increased, the yield is reduced, and the dynamic consumption is increased. At present, the screening classification equipment which is generally used in the market is limited by a screening structure, so that the single-machine equipment has the poor use phenomena of small yield, high failure rate, fussy maintenance, high labor intensity, poor screening effect and the like. The reason is mainly as follows: the sieve check and the screen frame of powder inspection sieve cooperate, need to be in the same place whole a plurality of layers of sieve check superposes in storehouse, adopt the level to compress tightly and fix on the screen frame or in the screen frame with the mode that the vertical compression combined together, this has just increased the whole height of equipment, and the focus is increased for equipment operation is unstable, and when certain layer of sieve check took place putty or trouble, need dismantle the sieve check one by one layer on its upper portion, just can clear up and maintain. After the operation is finished, the installation is carried out layer by layer, and the complicated operation and installation process not only greatly reduces the working efficiency, but also increases the labor intensity. And the materials can not be respectively collected according to the types and sizes of the materials in the screening work, the subsequent labor time is needed to be increased for classifying and collecting the materials, the production cost is increased, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a classifying screen.

The utility model discloses a realize through following technical scheme: the utility model provides a classifying screen, includes the frame, the sieve case suspends in midair in the frame through the universal rod of fixing in the four corners, sieve roof portion is provided with the feed inlet, has set gradually first screen frame, second screen frame, collecting plate at sieve incasement portion top-down, be provided with on the first screen frame collect the first screen frame on the first screen frame be provided with the second discharge gate of collecting the second screen frame on the second screen frame, be provided with the third discharge gate on the collecting plate, sieve case lower part still is provided with the rotating device who is used for driving the sieve case and rocks, rotating device is including setting up the pivot on the sieve case, be provided with fixing base I and fixing base II in the pivot, install the eccentric block that is used for driving the sieve case and rocks between two fixing bases, still be provided with in the pivot and drive pivot pivoted belt pulley.

In order to further realize the utility model discloses, can prefer following technical scheme for use:

preferably, the first screen body and the second screen body are arranged in an inclined mode, the inclined directions of the first screen body and the second screen body are the same, and the included angle between the first screen body and the horizontal plane is 1-5 degrees.

Preferably, the feeding hole is arranged above the high-end side of the inclined first sieve body, the first discharging hole is arranged on the low-end side of the first sieve body, the first sieve body is connected with the first discharging hole through a connecting plate, the second discharging hole is arranged on the low-end side of the second sieve body, and the second discharging hole is connected with the second sieve body through a connecting plate.

Preferably, the collecting plate is arranged below the second screen body, the inclination direction of the collecting plate is consistent with that of the first screen body and the second screen body, the inclination angle of the collecting plate is larger than that of the first screen body and the second screen body, the inclination angle of the collecting plate is the largest, and the third discharge hole is arranged at the lower end of the collecting plate.

Preferably, the diameter of the screen hole on the first screen body is larger than that of the screen hole on the second screen body.

Preferably, first screen frame and second screen frame all adopt can dismantle concatenation formula screen cloth, sieve case one side still is provided with the adjustable fender who adjusts the screen cloth.

Preferably, the side surface of the screen box is provided with an observation port for observing the working condition in the screen box.

Preferably, the first discharge port, the second discharge port and the third discharge port are respectively provided with an independent collecting device.

Preferably, the eccentric block is a sector block.

The beneficial effects of the utility model reside in that: the multistage screen body is arranged, so that materials with different diameters are respectively collected according to the aperture of the screen mesh on the screen body, in the process, the manual sorting process is omitted, a large amount of labor is saved, the labor intensity is reduced, materials with different specifications are collected in a grading manner, a large amount of time is saved for subsequent processing, the product quality is also improved, the materials collected by the screens with different grades have different qualities, the selectivity of the products to the materials is increased, the types of the products are increased, the universal rod is arranged in the device, the condition that the suspender is broken when the drawer screen shakes can be avoided, the condition that materials are mixed and run out when the full-package type screen box is used is avoided, the screen cloth of different diameters is changed according to the materials of different specifications, the method is simple, convenient and quick, the inspection and the maintenance are more convenient, the adjustment is more convenient, the labor intensity is reduced, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the sieve box of the present invention;

fig. 3 is a side view of the main structure of the present invention;

FIG. 4 is a side view of the sieve box structure of the present invention;

FIG. 5 is an enlarged view of the position A of the present invention;

wherein: 1. the screen comprises a frame, 2 a screen box, 3 a feed inlet, 4 a universal rod, 5 a belt pulley, 6 a first discharge port, 7 a second discharge port, 8 a third discharge port, 9 a first screen body, 10 a second screen body, 11 a collecting plate, 12 an eccentric block, 13 an observation port, 14 a movable baffle, 15 a fixed seat I and 16 a fixed seat II.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. 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.

Example 1

As shown in fig. 1-5: the utility model provides a classifying screen, includes frame 1, sieve case 2, and sieve case 2 suspends in midair in frame 1 through four universal rods 4 of fixing at four angles, uses universal rod 4 to make sieve case 2 unsettled, and universal rod 4 had both satisfied the effect of hoisting sieve case 2, had also satisfied sieve case 2 at the course of the work the diversion demand of all around uncertain direction, had strengthened overall structure. The top of the screen box 2 is provided with a feed inlet 3, the screen holes of the first screen body 9 and the second screen body 10 are sequentially arranged from top to bottom in the screen box 2, the first screen body 9, the second screen body 10 and a collecting plate 11 are sequentially arranged, the screen holes of the first screen body 9 and the second screen body 10 are sequentially reduced in diameter, the first screen body 9 is provided with a first discharge hole 6 for collecting the materials on the first screen body 9 and a second discharge hole 7 for collecting the materials on the second screen body 10, the collecting plate 11 is provided with a third discharge hole 8, multi-stage screen bodies are arranged for multi-layer screening, if necessary, three-stage and four-stage screen bodies can be arranged, the number of screen body layers can be arranged according to specific production requirements, screening is carried out through the size of the screen mesh holes on the screen bodies, the screen mesh hole diameter of the uppermost layer is the largest, the screen mesh hole diameter is sequentially reduced towards the screen bodies on the lower layer, one end of each stage of the screen body is provided with a, the device avoids the phenomena of running, bunching and material mixing when in use, optimizes the structure of the device, improves the production quality, saves the cleaning and adjusting procedure of the device and saves the labor cost. The lowest layer of the screen body is provided with a collecting plate 11, and the last material which is the finest is collected to reach the third discharge hole 8, so that the waste of the material is avoided. The 2 lower parts of sieve case still are provided with the rotating device who is used for driving sieve case 2 and rocks, and rotating device is provided with fixing base I15 and fixing base II 16 including setting up the pivot on sieve case 2 in the pivot, installs the eccentric block 12 that is used for driving the drawer sieve and rocks between two fixing bases, still is provided with in the pivot to be used for belt driven belt 5. Set up eccentric block 12, under the drive of belt, eccentric block 12 is rotatory to produce the deflection force, it rocks to drive sieve case 2, make the material rock on the screen cloth, through the screen cloth of different apertures, reach the purpose of material classified screening, the controllability of the range of rocking has been strengthened in the setting of eccentric block, when facing the big quality material, can increase eccentric block 12 quality or figure and drive the better work purpose that reaches of sieve case 2, the range is controllable, and easy operation has improved production efficiency.

Furthermore, the first screen body 9 and the second screen body 10 are arranged in an inclined mode, the inclined angles of the first screen body 9 and the second screen body 10 are the same, the included angles between the first screen body 9 and the horizontal plane and the included angles between the second screen body 10 and the horizontal plane are 1-5 degrees, the screen bodies are arranged in an inclined mode so that materials can move on the screen better, the screening purpose is achieved, and the screening effect is improved. Feed inlet 3 sets up in the top of the 9 high-end one sides of the first screen frame of slope, and feed inlet 3 sets up in high-end one side, can increase the motion time of material on the screen frame, improves the screening quality. First discharge gate 6 sets up in the low side one side of first screen frame 9, connects through the connecting plate between the two, and second discharge gate 7 sets up in the low side one side of second screen frame 10, connects through the connecting plate between the two, and the material passageway after the screening that the connecting plate of discharge gate and sieve case 2 shells are constituteed can not the cluster of each other between at different levels, reaches the purpose that we collected in grades.

Further, first screen frame 9 all adopts the concatenation formula screen cloth of dismantling with the second screen frame, all can realize being convenient for the change and the clear purpose of screen cloth through setting up adjustable fender 14 in sieve case 2 side.

Further, the side of the screen box 2 is provided with an observation port 13 for observing the working condition inside the screen box 2, so that the working condition inside the screen box 2 can be observed conveniently.

Further, first discharge gate 6, second discharge gate 7, third discharge gate 8 correspond respectively and are provided with collection device, separately collect the convenience and process according to the quality in batches to the material, have improved production efficiency.

Furthermore, the eccentric block 12 is a fan-shaped block, and the fan-shaped block is stable in structure and easy to control.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (9)

1. The utility model provides a classifying screen, includes frame, sieve case, its characterized in that: the screen box suspends in midair in the frame through the universal rod of fixing in the four corners, screen box top is provided with the feed inlet, has set gradually first screen frame, second screen frame, collecting plate at screen incasement portion top-down, be provided with on the first screen frame collect the first screen frame the first discharge gate of thing be provided with the second discharge gate of collecting the second screen frame thing on the second screen frame, be provided with the third discharge gate on the collecting plate, screen box lower part still is provided with the rotating device who is used for driving the screen box and rocks, rotating device is including setting up the pivot on the screen box, be provided with fixing base I and fixing base II in the pivot, install the eccentric block that is used for driving the screen box and rocks between two fixing bases, still be provided with in the pivot and drive pivot pivoted belt pulley.

2. A sizing screen according to claim 1, wherein: the first screen body and the second screen body are obliquely arranged, the oblique directions of the first screen body and the second screen body are the same, and the included angles between the first screen body and the horizontal plane and the included angles between the second screen body and the horizontal plane are 1-5 degrees.

3. A sizing screen according to claim 2, wherein: the feeding hole is arranged above the high-end side of the inclined first sieve body, the first discharging hole is arranged on the low-end side of the first sieve body, the first sieve body is connected with the first discharging hole through a connecting plate, the second discharging hole is arranged on the low-end side of the second sieve body, and the second discharging hole is connected with the second sieve body through a connecting plate.

4. A sizing screen according to claim 2, wherein: the collecting plate is arranged below the second screen body, the inclination direction of the collecting plate is consistent with that of the first screen body and the second screen body, the inclination angle of the collecting plate is larger than that of the first screen body and the second screen body, the inclination angle of the collecting plate is the largest, and the third discharge hole is arranged at the lower end of the collecting plate.

5. A sizing screen according to claim 1, wherein: the diameter of the sieve holes on the first sieve body is larger than that of the sieve holes on the second sieve body.

6. A sizing screen according to any one of claims 1 to 5, wherein: first screen frame and second screen frame all adopt can dismantle concatenation formula screen cloth, sieve case one side still is provided with the adjustable fender of adjustment screen cloth.

7. A sizing screen according to claim 1, wherein: the side of the screen box is provided with an observation port for observing the working condition in the screen box.

8. A sizing screen according to claim 1, wherein: the first discharge port, the second discharge port and the third discharge port are respectively provided with an independent collecting device.

9. A sizing screen according to claim 1, wherein: the eccentric block is in a fan-shaped block shape.

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