CN211707353U - Sorting machine - Google Patents

Abstract

The utility model provides a classificator, its characterized in that: the screening device comprises a rack, wherein a screening cavity is arranged in the rack, an eccentric shaft and a screen are arranged in the screening cavity, the eccentric shaft is arranged above the screen, one end of the eccentric shaft is in transmission connection with a power device for driving the eccentric shaft to rotate, and a plurality of balancing weights are detachably mounted on the eccentric shaft. Through set up the detachable balancing weight on the eccentric shaft, utilize the balancing weight vibrating screen under the drive of eccentric shaft, make the thin material fall into the material pond and flow from first discharge gate, the coarse fodder follows the screen cloth motion and falls into the second discharge gate and flows, and the balancing weight is equipped with multiple specification, can be according to the concrete size configuration of output, simple structure, the precision of selecting of adjustable preparator.

Description

Sorting machine

Technical Field

The utility model relates to a choice equipment technical field.

In particular to a fine separator.

Background

In production, solid particles need to be selected to separate large particles from small particles. The screening machine has wide application, and is ideal equipment for grading, impurity removal, material mixing, compaction, filtration and the like in the industries of papermaking, ceramics, grinding materials, chemical engineering, medicines and the like. In the prior art, the vibration screening machine realizes the selection of materials through the vibration of the gauze by installing the gauze on the frame, but still cannot meet the requirements on some more precise selections.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a simple structure, the preparator of adjustable selection precision.

The purpose of the utility model is achieved through the following technical measures: a refiner, characterized in that: the screening device comprises a rack, wherein a screening cavity is arranged in the rack, an eccentric shaft and a screen are arranged in the screening cavity, the eccentric shaft is arranged above the screen, one end of the eccentric shaft is in transmission connection with a power device for driving the eccentric shaft to rotate, and a plurality of balancing weights are detachably mounted on the eccentric shaft.

As a preferable scheme, a plurality of first connecting holes are radially arranged on the eccentric shaft, a second connecting hole is arranged on the balancing weight, and the eccentric shaft and the balancing weight are fixedly connected through bolts.

Preferably, the balancing weight is provided with a plurality of balancing weights, and the balancing weights are provided with different weights.

As an optimal scheme, the bottom in screening chamber is equipped with the material pond, the material pond sets up the one end at the screening chamber, the setting of material pond undercut, the material pond is connected with first discharge gate.

As a preferred scheme, the screen is installed on the frame through an elastic component, a through groove for replacing the screen is arranged on the side surface of the frame, and the through groove is horizontally arranged.

Preferably, the screen is arranged above the material pool, the screen is arranged along a horizontal plane, and the screen separates the material pool from the screening chamber.

As an optimal scheme, the end of the screening chamber, which is far away from the material pool, is connected with a second discharge hole, and a feed inlet is connected above the end, which is close to the material pool, of the screening chamber.

As a preferable scheme, two ends of the eccentric shaft are respectively fixed on the frame through first adjusting blocks, and the first adjusting blocks are connected with the frame in a sliding mode.

As a preferable scheme, the rack is further provided with a second adjusting block, the second adjusting block is connected with the rack in a sliding manner, and the sliding direction of the first adjusting block is perpendicular to that of the second adjusting block.

As a preferable scheme, the second adjusting block is provided with an adjusting wheel, and the adjusting wheel, the eccentric shaft and the output end of the power device are in transmission connection through a belt.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that:

the utility model provides a classificator through set up the detachable balancing weight on the eccentric shaft, utilizes the balancing weight vibrating screen under the drive of eccentric shaft, makes the thin material fall into the material pond and flows from first discharge gate, and the coarse fodder is followed the screen cloth motion and is fallen into the second discharge gate and flows, and the balancing weight is equipped with multiple specification, can be according to the specific size configuration of output, simple structure, the precision of selecting of adjustable classificator.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic front structural diagram of a classificator of the present invention.

Fig. 2 is a schematic side view of the fine separator of the present invention.

Fig. 3 is a schematic diagram of a counterweight block structure of a classificator of the present invention.

Fig. 4 is a schematic structural diagram of a screen replacing part of the fine separator of the utility model.

Fig. 5 is a schematic diagram of the transmission structure of the classificator of the present invention.

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. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1: as shown in the attached figures 1-4, a fine separator comprises a frame 1, a screening cavity 2 is arranged in the frame 1, materials are screened in the screening cavity 2, an eccentric shaft 3 and a screen 4 are arranged in the screening cavity 2, the eccentric shaft 3 rotates to drive the screen 4 to vibrate, and the rotation direction of the eccentric shaft 3 is the outlet direction of the materials, so that the screening of the materials is realized. The eccentric shaft 3 is arranged above the screen 4, one end of the eccentric shaft 3 is connected with a power device for driving the eccentric shaft 3 to rotate in a transmission mode, and a plurality of balancing weights 5 are detachably mounted on the eccentric shaft 3. In this embodiment, the power device is a motor 16, and the rotation of the eccentric shaft is driven by the motor 16.

As shown in fig. 3, a plurality of first connection holes are radially formed in the eccentric shaft 3, a second connection hole is formed in the counterweight 5, and the eccentric shaft 3 and the counterweight 5 are fixedly connected by bolts. The balancing weight 5 is provided with a plurality of balancing weights 5, and the balancing weights 5 are provided with different weights. According to the material difference of screening, thereby different balancing weights 5 are connected to the classification difference of grade. The weight of the balancing weight 5 is different, so that the generated centripetal force is different, the movement track of the materials can be controlled, and solid substances can keep moving on the screen 4 until the tail end of the screen 4, so that the materials are separated.

As shown in fig. 1, the bottom of the screening chamber 2 is provided with a material pool 6, the material pool 6 is arranged at one end of the screening chamber 2, the material pool 6 is arranged in a downward concave manner, and the material pool 6 is connected with a first discharge hole 7. In the material that sieves out from screen cloth 4 fell to material pond 6, in this embodiment, material pond 6 was big-end-up's frustum shape, and the material of screening can fall to material pond 6 bottoms, the convenient collection.

As shown in fig. 4, in the present embodiment, the screen 4 is mounted on the frame 1 through an elastic member, and a spring 8 is used in the present embodiment, so as to facilitate the vibration of the screen 4. The side of frame 1 is equipped with the logical groove 9 of changing screen cloth 4, logical groove 9 level setting. Different screen cloth 4 can be changed according to the material difference of screening, with screen cloth 4 from leading to groove 9 roll-off, change suitable specification can, convenient operation, the application is wide.

The screen 4 is arranged above the material tank 6, the screen 4 is arranged along a horizontal plane, and the screen 4 separates the material tank 6 from the screening chamber 2. The fine material enters the material pool 6 after being filtered by the screen 4, while the coarse material is separated by moving on the screen 4, the upper part of the screen 4 is the screening cavity 2, the mixed material is screened and separated in the screening cavity 2, and the lower part is the material pool 6 for collecting the fine material.

The one end that the material pond 6 was kept away from in screening chamber 2 is connected with second discharge gate 10, the one end top that screening chamber 2 is close to material pond 6 is connected with feed inlet 11. The material gets into by feed inlet 11, through set up detachable balancing weight 5 on eccentric shaft 3, utilizes balancing weight 5 vibrating screen 4 under eccentric shaft 3's drive, makes the thin material fall into material pond 6 and flows from first discharge gate 7, and the thick material is followed the motion of screen cloth 4 and is fallen into second discharge gate 10 and flow, and balancing weight 5 is equipped with multiple specification, can dispose according to the concrete size of output, simple structure, the precision of selecting of adjustable preparator.

Example 2: as shown in fig. 5, in this embodiment, two ends of the eccentric shaft 3 are respectively fixed on the frame 1 through a first adjusting block 12, the first adjusting block 12 is slidably connected to the frame 1, in this embodiment, a first slide rail and a first slide rail 17 for the first adjusting block to move up and down are arranged on the frame, the first slide rail and the first slide rail 17 are both arranged along the vertical direction, a first slide block matched with the first slide rail is arranged on the first adjusting block, two ends of the eccentric shaft are respectively connected to the first adjusting block through bearings, so that the eccentric shaft can adjust the position of the vertical direction along the first slide rail 17, thereby adjusting the distance from the eccentric shaft to the screen mesh, adjusting the vibration force, and adjusting the screening precision. Still be equipped with second regulating block 13 on the frame 1, but second regulating block 13 and frame 1 sliding connection are equipped with second slide rail 18 in the frame, and the second regulating block is equipped with along the gliding second slider of second slide rail 18, in this embodiment, the slip direction of first regulating block 12 is mutually perpendicular with the slip direction of second regulating block 13, also can be certain angle slope setting. The second adjusting block 13 is provided with an adjusting wheel 14, the eccentric shaft 3 and the output end of the power device are in transmission connection through a belt 15, when the position of the eccentric shaft is adjusted, the first adjusting block is moved to a required position, and then the second adjusting block is correspondingly displaced, so that the belt is tensioned.

In this embodiment, the other portions are the same as those in embodiment 1 and are not described again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A refiner, characterized in that: the screening device comprises a rack, wherein a screening cavity is arranged in the rack, an eccentric shaft and a screen are arranged in the screening cavity, the eccentric shaft is arranged above the screen, one end of the eccentric shaft is in transmission connection with a power device for driving the eccentric shaft to rotate, and a plurality of balancing weights are detachably mounted on the eccentric shaft.

2. A concentrator as claimed in claim 1, wherein: the eccentric shaft is provided with a plurality of first connecting holes along the radial direction, the balancing weight is provided with a second connecting hole, and the eccentric shaft and the balancing weight are fixedly connected through bolts.

3. A concentrator as claimed in claim 2, wherein: the balancing weight is equipped with a plurality ofly, and a plurality of balancing weights are equipped with different weight.

4. A concentrator according to claim 3, wherein: the bottom in screening chamber is equipped with the material pond, the material pond sets up the one end at the screening chamber, the setting of material pond undercut, the material pond is connected with first discharge gate.

5. A concentrator according to claim 4, wherein: the screen cloth passes through elastomeric element to be installed in the frame, the side of frame is equipped with the logical groove of changing the screen cloth, logical groove level sets up.

6. A concentrator as claimed in claim 5, wherein: the screen cloth sets up above the material pond, the screen cloth sets up along the horizontal plane, the screen cloth separates material pond and screening chamber.

7. A concentrator according to claim 6, wherein: the one end that the material pond was kept away from in the screening chamber is connected with the second discharge gate, the one end top that the screening chamber is close to the material pond is connected with the feed inlet.

8. A concentrator as claimed in claim 7, wherein: two ends of the eccentric shaft are respectively fixed on the frame through first adjusting blocks, and the first adjusting blocks are connected with the frame in a sliding mode.

9. A concentrator as claimed in claim 8, wherein: the frame is further provided with a second adjusting block, the second adjusting block is connected with the frame in a sliding mode, and the sliding direction of the first adjusting block is perpendicular to the sliding direction of the second adjusting block.

10. A concentrator as claimed in claim 9, wherein: and the second adjusting block is provided with an adjusting wheel, and the adjusting wheel, the eccentric shaft and the output end of the power device are in transmission connection through a belt.

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