CN217748042U

CN217748042U - Eccentric vibration screening mechanism

Info

Publication number: CN217748042U
Application number: CN202222004804.1U
Authority: CN
Inventors: 徐锋
Original assignee: Hubei Hehuang Kaimashi Environmental Technology Engineering Co ltd
Current assignee: Hubei Hehuang Kaimashi Environmental Technology Engineering Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-08
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses an eccentric vibration screening mechanism relates to screening mechanism technical field, specifically is an eccentric vibration screening mechanism, including shell, last feed bin, fixed plate, servo motor, bull stick, eccentric wheel, the mounting groove has been seted up to the upside of shell left surface, go up feed bin fixed mounting in the mounting groove that the shell upper surface was seted up, fixed plate fixed mounting is at the upside of shell right surface. This eccentric vibration screening mechanism, through placing the screening thing in last feed bin, make the screening thing be in the upper surface of screening board, can drive the bull stick through starting servo motor and rotate, thereby utilize the bull stick to drive the eccentric wheel and drive, then make the drive plate drive the screening board and drive, the elasticity that cooperation reset spring provided makes the screening board take place to vibrate, thereby can sieve the screening thing of screening board upper surface, make qualified screening thing from the inner chamber of play feed bin by the shell of being derived, convenient to use person collects a feed bin.

Description

Eccentric vibration screening mechanism

Technical Field

The utility model relates to a screening mechanism technical field specifically is an eccentric vibration screening mechanism.

Background

The screening mechanism is needed in many fields, whether sand screening in building engineering or raw material screening in the preparation industry needs to be used, wherein eccentric vibration screening is one of the most common and best mechanisms, the principle is to drive a screening plate by using an eccentric wheel so as to vibrate the screening plate and further realize screening operation, but qualified products can be screened out in the screening process, but unqualified products still remain on the screening plate, the traditional solution is to design the screening plate in an inclined mode, and the screening plate automatically leaves the screening plate by using the component force of the gravity of screening objects, but the mode is suitable for some objects with round outer surfaces, but irregular sand can be clamped on a filter groove of the screening plate when encountering the sand in the sand screening field, so that the material returning effect is not ideal, workers also blow the screening objects retained by using a fan, but the moving paths are different when being blown by wind due to different qualities of the screening objects, so that the collection is still difficult, and the eccentric vibration screening mechanism is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an eccentric vibration screening mechanism has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an eccentric vibration screening mechanism, includes shell, last feed bin, fixed plate, servo motor, bull stick, eccentric wheel, the mounting groove has been seted up to the upside of shell left surface, go up feed bin fixed mounting in the mounting groove that the shell upper surface was seted up, fixed plate fixed mounting is at the upside of shell right side surface, servo motor fixed mounting is in the inboard of shell, bull stick fixed mounting is on servo motor's output shaft, the fixed surface at the bull stick of eccentric wheel, the top fixed mounting of shell inner chamber has the support column, the surface movable mounting of support column has the drive plate, the bottom welding of support column has the stopper, the last fixed surface of stopper is connected with reset spring, the link has all been welded to the left and right sides of drive plate, the other end welding of link has the screening board.

Optionally, a mounting groove is formed in the middle of the left surface of the housing, a discharge bin is mounted in the mounting groove formed in the middle of the left surface of the housing, and the discharge bin is mounted in a manner of inclining thirty degrees to the lower left side.

Optionally, a baffle is arranged on the upper surface of the screening plate, a pull rod is fixedly mounted at the left end of the baffle, and the pull rod is movably mounted inside the shell.

Optionally, a feeding bin is installed in the inner cavity of the housing, an installation groove is formed in the right side of the upper surface of the feeding bin, and a guide bin is installed in the installation groove formed in the right side of the upper surface of the feeding bin.

Optionally, a driving wheel is fixedly sleeved on the right side of the outer surface of the rotating rod, a crawler belt is connected to the outer surface of the driving wheel in a transmission manner, a driven wheel is connected to the lower side of an inner cavity of the crawler belt in a transmission manner, a feeding screw is fixedly installed in the middle of the driven wheel, and the feeding screw is located in an inner cavity of the feeding bin.

Optionally, the diameter of the limiting block is greater than that of the supporting column, the return spring is located on the outer surface of the supporting column, and the driving plate is located above the return spring.

Optionally, the left end of the feeding bin extends to the lower side of the left surface of the shell, and a through groove is formed in the bottom of the left end of the feeding bin.

The utility model provides an eccentric vibration screening mechanism possesses following beneficial effect:

1. this eccentric vibration screening mechanism, through placing the screening thing in last feed bin, make the screening thing be in the upper surface of screening board, can drive the bull stick through starting servo motor and rotate, thereby utilize the bull stick to drive the eccentric wheel and drive, then make the drive plate drive the screening board and drive, the elasticity that cooperation reset spring provided makes the screening board take place to vibrate, thereby can sieve the screening thing of screening board upper surface, make qualified screening thing from the inner chamber of play feed bin by the shell of being derived, convenient to use person collects a feed bin.

2. This eccentric vibration screening mechanism, through the pulling pull rod, can drive the baffle and remove, then make the baffle drive the unqualified screening thing that screening board upper surface is detained, make unqualified screening thing get into the inner chamber of feeding bin from the inner chamber in direction storehouse, same moment, the rotation of bull stick can drive the drive wheel and rotate, utilize the drive wheel can drive the track, then make to drive pay-off spiral rotation from the driving wheel, thereby can make the pay-off spiral export the unqualified screening thing in with the feeding bin inner chamber, convenient to use person collects, great improvement the device's practicality.

Drawings

FIG. 1 is a right side schematic view of the present invention;

fig. 2 is a schematic structural view of the left side of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure inside the housing of the present invention;

FIG. 4 is a schematic structural view of the feeding screw of the present invention;

fig. 5 is a schematic structural diagram of the driving board according to the present invention.

In the figure: 1. a housing; 2. feeding a bin; 3. a fixing plate; 4. a servo motor; 5. a rotating rod; 6. an eccentric wheel; 7. a drive plate; 8. a support pillar; 9. a limiting block; 10. a return spring; 11. a connecting frame; 12. screening the plate; 13. a baffle plate; 14. a pull rod; 15. a discharging bin; 16. a drive wheel; 17. a crawler belt; 18. a driven wheel; 19. a feeding screw; 20. a feeding bin; 21. and (7) a guide bin.

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.

Referring to fig. 1, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: an eccentric vibration screening mechanism comprises a shell 1, an upper bin 2, a fixed plate 3, a servo motor 4, a rotating rod 5 and an eccentric wheel 6, wherein the upper side of the left surface of the shell 1 is provided with a mounting groove, the upper bin 2 is fixedly arranged in the mounting groove arranged on the upper surface of the shell 1, the fixed plate 3 is fixedly arranged on the upper side of the right surface of the shell 1, the servo motor 4 is fixedly arranged on the inner side of the shell 1, the rotating rod 5 is fixedly arranged on an output shaft of the servo motor 4, the eccentric wheel 6 is fixedly sleeved on the outer surface of the rotating rod 5, the top of the inner cavity of the shell 1 is fixedly provided with four supporting columns 8, the number of the supporting columns 8 is four, the four supporting columns are respectively arranged at four corners of the driving plate 7, the stability of the driving plate 7 can be improved, thereby the driving plate 7 is more stable in the driving process, the driving plate 7 is movably arranged on the outer surface of the supporting column 8, the upper surface of the driving plate 7 is provided with a driving groove matched with the eccentric wheel 6, the eccentric wheel 6 can reduce the friction force generated when the driving plate 7 is driven, the abrasion between the eccentric wheel 6 and the driving plate 7 is reduced, the service life of the eccentric wheel 6 and the driving plate 7 is prolonged, the bottom of the supporting column 8 is welded with the limiting block 9, the upper surface of the limiting block 9 is fixedly connected with the return spring 10, the diameter of the limiting block 9 is larger than that of the supporting column 8, the return spring 10 is arranged on the outer surface of the supporting column 8, the driving plate 7 is arranged above the return spring 10, the return spring 10 is extruded by the driving plate 7 to generate compression deformation, and the elastic force generated by the elastic deformation recovery of the driving plate 7 can play a role of returning to the driving plate 7, therefore, the driving plate 7 can generate a vibration effect smoothly, the connecting frames 11 are welded on the left side and the right side of the driving plate 7, and the screening plate 12 is welded on the other end of each connecting frame 11.

Referring to fig. 3, a mounting groove is formed in the middle of the left surface of the housing 1, a discharging bin 15 is installed in the mounting groove formed in the middle of the left surface of the housing 1, the discharging bin 15 is installed to be inclined to the lower left side by thirty degrees, so that a screened object falling into the inner cavity of the discharging bin 15 can automatically slide out of the inner cavity of the discharging bin 15 by the component force of the gravity of the screened object, and a user can conveniently collect the screened object.

Please refer to fig. 4 and 5, the upper surface of screening plate 12 is provided with baffle 13, the activity groove has been seted up on the right surface of shell 1, when screening plate 12 takes place the vibration, utilize baffle 13 to follow the vibration, can avoid the screening thing to drop from the edge of screening plate 12, the left end fixed mounting of baffle 13 has pull rod 14, through dragging pull rod 14 can make baffle 13 drive unqualified screening thing and get into the interior chamber of guide chamber 21, pull rod 14 movable mounting is in the inside of shell 1.

Please refer to fig. 2, fig. 3 and fig. 4, a feeding bin 20 is installed in the inner cavity of the housing 1, the left end of the feeding bin 20 extends to the lower side of the left surface of the housing 1, a through groove is formed in the bottom of the left end of the feeding bin 20, the feeding screw 19 can guide the screened material in the inner cavity of the feeding bin 20 conveniently by using the through groove, an installation groove is formed in the right side of the upper surface of the feeding bin 20, a guide bin 21 is installed in the installation groove formed in the right side of the upper surface of the feeding bin 20, the guide bin 21 can accurately guide the screened material into the inner cavity of the feeding bin 20, and the screened material is prevented from falling in the inner cavity of the housing 1.

Referring to fig. 1 and 3, a driving wheel 16 is fixedly sleeved on the right side of the outer surface of the rotating rod 5, a caterpillar band 17 is connected on the outer surface of the driving wheel 16 in a transmission manner, a driven wheel 18 is connected on the lower side of the inner cavity of the caterpillar band 17 in a transmission manner, a feeding screw 19 is fixedly installed in the middle of the driven wheel 18, the feeding screw 19 is located in the inner cavity of a feeding bin 20, the driving wheel 16, the caterpillar band 17 and the driven wheel 18 are matched with each other to provide power of the servo motor 4 for the feeding screw 19, the feeding screw 19 is smoothly driven, the installation of a power source of the device is reduced, and the production cost can be reduced.

In summary, in the eccentric vibration screening mechanism, when in use, firstly, a user needs to place a screened object in the upper bin 2, so that the screened object is located on the upper surface of the screening plate 12, then the servo motor 4 is started to drive the rotating rod 5 to rotate, so that the rotating rod 5 is used for driving the eccentric wheel 6 to drive, then the driving plate 7 drives the screening plate 12 to drive, the elastic force provided by the return spring 10 is matched to enable the screening plate 12 to vibrate, the screened object on the upper surface of the screening plate 12 can be screened, the screened object which is unqualified after screening can be retained on the upper surface of the screening plate 12, at the moment, the pull rod 14 needs to be pulled to drive the baffle 13 to move, then the baffle 13 drives the unqualified screened object retained on the upper surface of the screening plate 12, so that the unqualified screened object enters the inner cavity of the feeding bin 20 from the inner cavity of the feeding bin 21, at the same moment, the rotating rod 5 drives the rotating rod 16 to rotate, the driving wheel 16 drives the crawler 17, and then the driven wheel 18 drives the feeding screw 19 to drive the feeding screw 19 to guide the unqualified screened object out from the inner cavity of the feeding bin 20, and finally collecting the screened object.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an eccentric vibration screening mechanism, includes shell (1), goes up feed bin (2), fixed plate (3), servo motor (4), bull stick (5), eccentric wheel (6), the mounting groove has been seted up to the upside of shell (1) left surface, go up feed bin (2) fixed mounting in the mounting groove that shell (1) upper surface was seted up, fixed plate (3) fixed mounting is at the upside of shell (1) right surface, servo motor (4) fixed mounting is in the inboard of shell (1), bull stick (5) fixed mounting is on the output shaft of servo motor (4), the fixed suit of eccentric wheel (6) is at the surface of bull stick (5), its characterized in that: the top fixed mounting of shell (1) inner chamber has support column (8), the surface movable mounting of support column (8) has drive plate (7), the bottom welding of support column (8) has stopper (9), the last fixed surface of stopper (9) is connected with reset spring (10), link (11) have all been welded to the left and right sides of drive plate (7), the other end welding of link (11) has screening board (12).

2. An eccentric vibratory screening mechanism as set forth in claim 1 wherein: the middle part of the left surface of the shell (1) is provided with a mounting groove, a discharge bin (15) is mounted in the mounting groove formed in the middle part of the left surface of the shell (1), and the discharge bin (15) is mounted in a manner of inclining for thirty degrees towards the lower left side.

3. An eccentric vibratory screening mechanism as set forth in claim 1 wherein: the upper surface of screening board (12) is provided with baffle (13), the left end fixed mounting of baffle (13) has pull rod (14), pull rod (14) movable mounting is in the inside of shell (1).

4. An eccentric vibratory screening mechanism as set forth in claim 1 wherein: a feeding bin (20) is installed in an inner cavity of the shell (1), an installation groove is formed in the right side of the upper surface of the feeding bin (20), and a guide bin (21) is installed in the installation groove formed in the right side of the upper surface of the feeding bin (20).

5. The eccentric vibratory screening mechanism of claim 4, wherein: the right side of the outer surface of the rotating rod (5) is fixedly sleeved with a driving wheel (16), the outer surface of the driving wheel (16) is in transmission connection with a crawler belt (17), the lower side of the inner cavity of the crawler belt (17) is in transmission connection with a driven wheel (18), the middle of the driven wheel (18) is fixedly provided with a feeding screw (19), and the feeding screw (19) is located in the inner cavity of a feeding bin (20).

6. An eccentric vibratory screening mechanism as set forth in claim 1 wherein: the diameter of the limiting block (9) is larger than that of the supporting column (8), the reset spring (10) is located on the outer surface of the supporting column (8), and the driving plate (7) is located above the reset spring (10).

7. An eccentric vibratory screening mechanism according to claim 4, wherein: the left end of the feeding bin (20) extends to the lower side of the left surface of the shell (1), and a through groove is formed in the bottom of the left end of the feeding bin (20).