CN220738438U - Sand screening vibration mechanism - Google Patents

Abstract

The utility model discloses a sand screening vibration mechanism, which relates to the field of sand screening, and comprises a screening box, a screen plate, a vibration motor and a transmission assembly, wherein the vibration motor is fixedly arranged on the outer wall of the screening box, a first discharge port and a second discharge port are formed in the side wall of the screening box, a fixed block is fixedly arranged on the side wall of the screening box, a first rotating shaft is fixedly arranged on the side wall of the screen plate, one end of the first rotating shaft extends to the inner wall of the fixed block, the transmission assembly is arranged on the inner wall of the fixed block, the rotation of the screen plate is controlled by the transmission assembly, the transmission assembly comprises a worm and a worm wheel, the worm is rotatably arranged on the inner wall of the fixed block, the outer wall of the worm wheel is fixedly connected with the first rotating shaft, a driving motor is fixedly arranged at the top end of the fixed block, and the output shaft of the driving motor is fixedly connected with one end of the worm.

Description

Sand screening vibration mechanism

Technical Field

The utility model relates to the technical field of sand screening, in particular to a sand screening vibration mechanism.

Background

The sand screening vibration mechanism is a device for screening and separating raw sand materials according to particle size. The sand screening vibration mechanism mainly comprises a vibration motor, a vibrator, a screen, a supporting structure and the like, and can effectively screen and separate original sand materials through the cooperative work of the components, and sand with different granularity is divided into different particle grades so as to meet the requirements of different industries on sand granularity.

Such as Chinese published patent: CN206716461U is a grit vibrating screening installation for construction, including screening the framework, be equipped with support sleeve in the screening framework, support sleeve bottom fixedly connected with screen cloth, support sleeve top symmetry fixedly connected with two connecting rods, the connecting rod is the U font of inversion, screening framework top symmetry fixedly connected with two first sleeves, bottom fixedly connected with reset spring in the first sleeve. The utility model has the beneficial effects that magnetism is generated after the electromagnet is electrified, the iron block is attracted, the connecting rod is lowered, the horizontal section on the connecting rod moves downwards, the guide rod compresses the return spring, and the return spring has a certain compression amount; when the electromagnet is powered off and then magnetically absorbed, the connecting rod moves upwards under the elasticity of the reset spring, so that the screen is driven to move upwards suddenly, and the sand on the screen is screened in a vibrating mode, so that the screening effect of the sand is effectively improved.

Although can carry out vibrating screening to the grit through the cooperation of above device, improve grit screening effect, but remaining great granule grit in the screen cloth can be detained in the top of screen cloth at any after the screening is accomplished, and the grit on the screen cloth just is difficult for taking out this moment to can influence the screening of follow-up grit, for this reason, we propose a grit screening vibration mechanism.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a screening box, a screen plate, a vibrating motor and a transmission assembly, wherein the vibrating motor is fixedly arranged on the outer wall of the screening box, a first discharging hole and a second discharging hole are formed in the side wall of the screening box, a fixed block is fixedly arranged on the side wall of the screening box, a first rotating shaft is fixedly arranged on the side wall of the screen plate, and one end of the first rotating shaft extends to the inner wall of the fixed block;

the transmission assembly is arranged on the inner wall of the fixed block, and the rotation of the sieve plate is controlled by the transmission assembly.

Preferably, the transmission assembly comprises a worm and a worm wheel, the worm is rotatably arranged on the inner wall of the fixed block, and the outer wall of the worm wheel is fixedly connected with the first rotating shaft.

Preferably, a driving motor is fixedly arranged at the top end of the fixed block, and an output shaft of the driving motor is fixedly connected with one end of the worm.

Preferably, the side wall of the sieve plate is fixedly provided with a second rotating shaft, the inner wall of the screening box is provided with an arc-shaped groove, and one end of the first rotating shaft extends to the inner cavity of the arc-shaped groove.

Preferably, the inner wall of the screen plate is connected with an extension plate in a sliding manner.

Preferably, the side wall of the extension plate is fixedly provided with a guide rod, and the inner wall of the sieve plate is provided with a guide groove.

Preferably, the inner wall of the guide groove is fixedly provided with an extension spring.

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

according to the utility model, the worm is driven by the driving motor to rotate, so that the worm wheel drives the first rotating shaft to rotate, the screen plate is inclined, the unblocked extension plate slides out of the inner wall of the screen plate under the action of the extension spring to compensate the distance, sand above the screen plate can be discharged from the first discharge hole, and the sand can be conveniently collected through the arrangement of the structure.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of a screening box of the present utility model;

FIG. 3 is a schematic view of a first shaft according to the present utility model;

fig. 4 is a cross-sectional view of a screen panel of the present utility model;

fig. 5 is an enlarged view of a in fig. 2 according to the present utility model.

In the figure: 1. a screening box; 2. a vibration motor; 3. a first discharge port; 4. a sieve plate; 5. a fixed block; 6. a driving motor; 7. a worm; 8. a worm wheel; 9. a first rotating shaft; 10. a second rotating shaft; 11. a second discharge port; 12. an extension plate; 13. a guide rod; 14. and (5) stretching the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, a sand screening vibration mechanism in the drawings comprises a screening box 1, a screen plate 4, a vibration motor 2 and a transmission assembly, wherein the vibration motor 2 is fixedly arranged on the outer wall of the screening box 1, the whole screening box 1 can vibrate through the arranged vibration motor 2, meanwhile, the screen plate 4 arranged on the inner wall of the screening box 1 can vibrate, and the screening efficiency of the screen plate 4 on sand can be improved.

The prior art: CN206716461U discloses a sand and stone vibration type screening device for building construction, in which a screening box 1 and a screening plate 4 proposed in the present application are disclosed, and in the present application, the same technical means in the prior art are adopted, and the technical means are not described in detail herein.

The lateral wall of screening case 1 has seted up first bin outlet 3 and second bin outlet 11, first bin outlet 3 sets up in the left side of screening case 1, second bin outlet 11 sets up in the right side of screening case 1, and the inner wall bottom of screening case 1 sets up to the inclined plane, the lowest end on inclined plane is located second bin outlet 11, when tiny grit drops to the inner wall bottom of screening case 1 from the hole of sieve 4, alright discharge from second bin outlet 11 under the setting on inclined plane, can also set up the collection frame in addition in the below of second bin outlet 11, be convenient for collect the grit of discharging, also first bin outlet 3 below can be provided with the collection frame.

The lateral wall fixed mounting of screening case 1 has fixed block 5, the lateral wall fixed mounting of screen plate 4 has first pivot 9, the one end of first pivot 9 extends to the inner wall of fixed block 5, first pivot 9 is provided with two, two first pivot 9 symmetry are installed at the lateral wall of screen plate 4, one of them first pivot 9 extends to the inner wall of fixed block 5, the effort is applyed to this first pivot 9 of accessible, make first pivot 9 rotate, alright synchronous drive screen plate 4 rotates along the axis of first pivot 9 for screen plate 4 is the slope form at the inner wall of screening case 1, the grit of detention at this moment on screen plate 4 surface can be under the slope of screen plate 4, discharge from first bin outlet 3.

The transmission subassembly sets up the inner wall at fixed block 5, and the rotation of sieve 4 is controlled by transmission subassembly, can effectually control the inner wall rotation of sieve 4 at screening case 1 through the transmission subassembly that sets up.

Referring to fig. 1-5, the transmission assembly in the drawings comprises a worm 7 and a worm wheel 8, wherein the worm 7 is rotatably mounted on the inner wall of the fixed block 5, and the outer wall of the worm wheel 8 is fixedly connected with a first rotating shaft 9.

In this embodiment: through exerting effort to worm 7, can make worm wheel 8 take place to rotate, drive simultaneously first pivot 9 and rotate, because first pivot 9 is fixed connection with sieve 4, consequently first pivot 9 when the inner wall of screening case 1 rotates, alright drive sieve 4 and rotate, because the top of sieve 4 is detained there is the grit, consequently use the cooperation of worm wheel 8 and worm 7, can realize the auto-lock to the rotation of sieve 4, avoid the sieve 4 to take place the slope under the effect of gravity.

Referring to fig. 1-5, a driving motor 6 is fixedly mounted at the top end of a fixing block 5 in the drawing, and an output shaft of the driving motor 6 is fixedly connected with one end of a worm 7.

In this embodiment: can drive worm 7 through driving motor 6 and rotate to through the direction of rotation of control driving motor 6, alright control screen plate 4 is at the direction of rotation of screening case 1 inner wall, driving motor 6 is provided with the auto-lock structure preferably, can improve the result of use, and wherein driving motor 6 can be common servo motor or step motor, and specific model can be adjusted according to the demand of skilled in the art, just need not do too much in here and give a full understanding.

Referring to fig. 1-5, a second rotating shaft 10 is fixedly mounted on a side wall of the screen plate 4 in the drawing, an arc-shaped groove is formed in an inner wall of the screening box 1, and one end of the first rotating shaft 9 extends to an inner cavity of the arc-shaped groove.

In this embodiment: the second rotating shafts 10 are symmetrically arranged on the two sides of the screen plate 4 and are symmetrically arranged on the first rotating shaft 9, when the first rotating shaft 9 drives the screen plate 4 to rotate, the second rotating shafts 10 can be driven to slide on the inner wall of the arc-shaped groove, so that the screen plate 4 is inclined on the inner wall of the screening box 1, sand above the screen plate 4 can slide from the upper side of the screen plate 4 until being discharged from the first discharge hole 3 under the action of gravity, and the arc-shaped groove coincides with the axis of the first rotating shaft 9.

Referring to fig. 1-5, the inner wall of the screen deck 4 is shown with extension panels 12 slidably attached thereto.

In this embodiment: when the screen plate 4 is inclined, the extending plate 12 can slide from the inner wall of the screen plate 4 to compensate the distance, so that sand and stone sliding from the upper part of the screen plate 4 can be discharged from the first discharge outlet 3 more easily.

Referring to fig. 1-5, a guide rod 13 is fixedly mounted on a side wall of the extension plate 12 in the drawing, and a guide groove is formed in an inner wall of the screen plate 4.

In this embodiment: by the cooperation of the guide bar 13 and the guide groove, the track of the sliding of the extension plate 12 can be defined.

Referring to fig. 1-5, an extension spring 14 is fixedly mounted on the inner wall of the guide slot.

In this embodiment: when the screen plate 4 is horizontal, the extension plate 12 is positioned in the screen plate 4, the extension springs 14 are in a stretching deformation state, elastic potential energy is stored, the extension plate 12 can be pulled out by releasing the elastic potential energy along with gradual inclination of the screen plate 4 until the extension plate 12 is no longer blocked by the inner wall of the screening box 1, distance compensation is achieved, the top ends of the extension plates 12 are set to be inclined planes, and when the screen plate 4 returns to the horizontal again, the inclined extension plate 12 is contacted with the inner wall of the screening box 1 in the process, and slides into the inner wall of the screen plate 4 again under the blocking of the inner wall of the screening box 1.

Working principle: the worm 7 is driven to rotate by starting the driving motor 6, the worm wheel 8 drives the first rotating shaft 9 to rotate, the sieve plate 4 is inclined, the extension plate 12 which is not blocked at the moment slides out of the inner wall of the sieve plate 4 under the action of the tension spring 14 to compensate the distance, sand and stone above the sieve plate 4 can be discharged from the first discharge port 3, and the sand and stone can be conveniently collected through the arrangement of the structure.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a grit screening vibration mechanism which characterized in that: the screening box comprises a screening box (1), a screen plate (4), a vibrating motor (2) and a transmission assembly, wherein the vibrating motor (2) is fixedly arranged on the outer wall of the screening box (1), a first discharging hole (3) and a second discharging hole (11) are formed in the side wall of the screening box (1), a fixed block (5) is fixedly arranged on the side wall of the screening box (1), a first rotating shaft (9) is fixedly arranged on the side wall of the screen plate (4), and one end of the first rotating shaft (9) extends to the inner wall of the fixed block (5);

the transmission assembly is arranged on the inner wall of the fixed block (5), and the rotation of the sieve plate (4) is controlled by the transmission assembly.

2. The sand screening vibratory mechanism of claim 1, wherein: the transmission assembly comprises a worm (7) and a worm wheel (8), wherein the worm (7) is rotatably arranged on the inner wall of the fixed block (5), and the outer wall of the worm wheel (8) is fixedly connected with the first rotating shaft (9).

3. A sand screening vibratory mechanism as claimed in claim 2, wherein: the top of the fixed block (5) is fixedly provided with a driving motor (6), and an output shaft of the driving motor (6) is fixedly connected with one end of a worm (7).

4. The sand screening vibratory mechanism of claim 1, wherein: the side wall of the screen plate (4) is fixedly provided with a second rotating shaft (10), an arc-shaped groove is formed in the inner wall of the screening box (1), and one end of the first rotating shaft (9) extends to the inner cavity of the arc-shaped groove.

5. The sand screening vibratory mechanism of claim 1, wherein: the inner wall of the sieve plate (4) is connected with an extension plate (12) in a sliding way.

6. The sand screening vibratory mechanism of claim 5, wherein: the side wall of the extension plate (12) is fixedly provided with a guide rod (13), and the inner wall of the screen plate (4) is provided with a guide groove.

7. The sand screening vibratory mechanism of claim 6, wherein: an extension spring (14) is fixedly arranged on the inner wall of the guide groove.