CN213855640U

CN213855640U - Multistage screening extension

Info

Publication number: CN213855640U
Application number: CN202022760738.1U
Authority: CN
Inventors: 弋海卫; 李淮涛
Original assignee: Dengfeng Rongye Refractory Co ltd
Current assignee: Dengfeng Rongye Refractory Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a multistage screening extension, including casing and vibrator, the inside of casing is provided with screening mechanism and guide mechanism, the bottom of casing is provided with vibrator, vibrator includes eccentric wheel, bearing, mount and driving motor, driving motor is installed to the bottom of casing, the eccentric wheel is installed to driving motor's output, driving motor's output shaft's surface cover is equipped with the bearing, the bottom of casing is connected with the mount, just the bearing is located the inside of mount. The utility model has the advantages that: the eccentric wheel is installed at the output end of the driving motor, certain eccentric force can be generated through the difference of eccentric weight, the whole mechanism can vibrate, the fixing frame is arranged on the outer surface of the power output shaft of the driving motor, the driving motor and the shell can be prevented from loosening due to overlarge vibration force, and the effect of stabilizing the driving motor is achieved.

Description

Multistage screening extension

Technical Field

The utility model relates to a screening field, especially a multistage screening extension.

Background

The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. Due to the fact that most of articles have different sizes, screening machines are widely used, and the screening machines enable partial particles to penetrate through screen holes by means of relative movement of bulk materials and screen surfaces, so that the particles with different particle sizes are classified.

Present some sorter can only carry out the screening machine and can only carry out screening once, can not be to the part of multiple particle size, can not satisfy actual need, and most screening machines are open moreover, can produce a large amount of dusts when screening, if do not handle can the polluted environment and lead to the fact the health injury to the staff, for this we propose a multistage screening extension and solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a multistage screening extension.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a multistage screening extension, includes casing and vibrator, the inside of casing is provided with screening mechanism and guide mechanism, the bottom of casing is provided with vibrator, vibrator includes eccentric wheel, bearing, mount and driving motor, driving motor is installed to the bottom of casing, the eccentric wheel is installed to driving motor's output, driving motor's the outer surface cover of output pivot is equipped with the bearing, the bottom of casing is connected with the mount, just the bearing is located the inside of mount.

A further technical scheme is, screening mechanism includes first screen cloth, second screen cloth, third screen cloth, the inside of casing is from last to having set gradually third screen cloth, second screen cloth and first screen cloth down, and be the slope form, the highest end of second screen cloth is close to the highest end of third screen cloth, the highest end of first screen cloth is close to the lowest end of second screen cloth.

A further technical scheme is, guiding mechanism includes first guide board, second guide board, third guide board, the bottom of third screen cloth and second screen cloth is provided with first guide board and the second guide board the same rather than the slope form, and is provided with between the lowest end of first guide board and second guide board and the casing and leaks the material passageway, the bottom of first screen cloth is provided with the third guide board the same rather than inclination.

A further technical scheme is that a plurality of discharge ports are arranged outside the machine shell, and each discharge port is positioned above the first guide plate, the second guide plate and the third guide plate.

The further technical scheme is that the guide plates are connected to the upper surfaces of the bottommost ends of the first screen, the second screen and the third screen.

According to a further technical scheme, a base is arranged at the bottom of the machine shell, an inner cavity is formed in the base, rolling balls are connected to the upper surface and the bottom surface of the inner cavity, supporting blocks are arranged in the inner cavity and are in contact with the outer surfaces of the rolling balls, the upper surface of each supporting block is connected with the bottom surface of the machine shell, and a buffering gasket is arranged on the inner side wall of the inner cavity.

According to a further technical scheme, the upper surface of the base is connected with a fixing ring, the inner side wall of the fixing ring is connected with a plurality of strong springs, and the other ends of the strong springs are connected with the outer surface of the supporting block.

A further technical scheme is that a feeding hole is formed in the upper surface of the machine shell.

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

1. the utility model discloses an it can produce certain eccentric force through the difference of eccentric weight to install the eccentric wheel at driving motor's output, make whole mechanism can shake, it can prevent to make driving motor and casing take place not hard up because the vibrations power is too big to be provided with the mount through the surface at driving motor power output shaft, reach the effect of stabilizing driving motor, can carry out a lot of screening to the granule of screening through setting up a plurality of screen cloths in the inside of casing and make the granule that sieves out satisfy the requirement.

2. The utility model discloses a be provided with guiding mechanism in the inside of casing and can make its the top that is located next screen cloth all the time to the granule that sieves out last time, can sieve the granule that will sieve fully, be provided with the granule that the guide plate can make the screening out through the upper surface at the screen cloth and be convenient for collect, cushion when being provided with the buffering packing ring at the inside wall of inner chamber and can making supporting shoe and inner chamber bump, reduce the collision injury.

Drawings

Figure 1 is the internal structure schematic diagram of the sieving machine of the utility model.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure, 1, a base; 2. a stationary ring; 3. an inner cavity; 4. a strong spring; 5. a support block; 6. a screening mechanism; 601. a first screen; 602. a second screen; 603. a third screen; 7. a housing; 8. a feed inlet; 9. a vibration device; 901. an eccentric wheel; 902. a bearing; 903. a fixed mount; 904. a drive motor; 10. a guide mechanism; 101. a first guide plate; 102. a second guide plate; 103. a third guide plate; 11. a discharge port; 12. a baffle; 13. a rolling ball; 14. a cushion washer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

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.

Example (b):

referring to the embodiment shown in fig. 1-2, a multi-stage screening machine includes a housing 7 and a vibrating device 9, a screening mechanism 6 and a guiding mechanism 10 are disposed inside the housing 7, the screening mechanism 6 includes a first screen 601, a second screen 602, and a third screen 603, a baffle 12 is connected to the top surface of the bottom end of each of the first screen 601, the second screen 602, and the third screen 603, the second screen 602, and the first screen 601 are disposed inside the housing 7 sequentially from top to bottom, and are all in an inclined shape, the highest end of the second screen 602 is close to the highest end of the third screen 603, the highest end of the first screen 601 is close to the lowest end of the second screen 602, and the guiding mechanism 10 can enable the particles from the previous screen to be always located at the highest end of the next screen, so as to sufficiently screen the particles to be screened, and the guiding mechanism 10 includes a first guiding plate 101, The bottom of the second guide plate 102, the third guide plate 103, the third screen 603 and the second screen 602 are provided with a first guide plate 101 and a second guide plate 102 which are the same as the inclination shape thereof, a material leakage channel is arranged between the lowest end of the first guide plate 101 and the second guide plate 102 and the machine shell 7, the bottom of the first screen 601 is provided with a third guide plate 103 which is the same as the inclination angle thereof, the exterior of the machine shell 7 is provided with a plurality of discharge ports 11, each discharge port 11 is positioned above the first guide plate 101, the second guide plate 102 and the third guide plate 103, the bottom of the machine shell 7 is provided with a vibration device 9, the vibration device 9 comprises an eccentric wheel 901, a bearing 902, a fixed frame 903 and a driving motor 904, the bottom of the machine shell 7 is provided with a driving motor 904, the output end of the driving motor 904 is provided with an eccentric wheel 901, the difference of eccentric weights can generate certain eccentric force through the rotation of the eccentric wheel 901, the whole mechanism is vibrated, raw materials are further screened, a bearing 902 is sleeved on the outer surface of an output rotating shaft of a driving motor 904, a fixing frame 903 is connected to the bottom of a machine shell 7, the bearing 902 is located inside the fixing frame 903 and can fix the whole driving motor 904 when an eccentric wheel 901 generates eccentric force, the installed driving motor 904 is prevented from loosening and plays a role in fixing, a base 1 is arranged at the bottom of the machine shell 7, an inner cavity 3 is formed inside the base 1, rolling balls 13 are connected to the upper surface and the bottom surface of the inner cavity 3, a supporting block 5 is arranged inside the inner cavity 3, the supporting block 5 is in contact with the outer surfaces of the rolling balls 13, the upper surface of the supporting block 5 is connected with the bottom surface of the machine shell 7, a buffer gasket 14 is arranged on the inner side wall of the inner cavity 3, the supporting block 5 can be buffered when colliding with the inner cavity 3, and collision force is reduced, the upper surface of base 1 is connected with retainer plate 2, and the inside wall of retainer plate 2 is connected with a plurality of powerful springs 4, and the other end of powerful spring 4 all with the surface connection of supporting shoe 5, the last demonstration of casing 7 is provided with feed inlet 8.

The working process of the utility model is as follows: when using, at first start driving motor 904, driving motor 904 drives eccentric wheel 901 and rotates and produces the eccentric force, make whole mechanism take place vibrations, supporting shoe 5 is fixed also takes place vibrations with casing 7 and is and remove between the inside of inner chamber 3 and rolling ball 13, make supporting shoe 5 remain central point all the time through the effect of the elasticity at powerful spring 4 down, then add the screening raw materials to casing 7 inside through feed inlet 8, sieve out the raw materials of different particle sizes through a plurality of screens, not equidimension diameter granule can collect through different discharge gates 11 and get into next process.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a multistage screening extension, includes casing (7) and vibrator (9), its characterized in that: the inside of casing (7) is provided with screening mechanism (6) and guiding mechanism (10), the bottom of casing (7) is provided with vibrator (9), vibrator (9) include eccentric wheel (901), bearing (902), mount (903) and driving motor (904), driving motor (904) are installed to the bottom of casing (7), eccentric wheel (901) are installed to the output of driving motor (904), the outer surface cover of the output pivot of driving motor (904) is equipped with bearing (902), the bottom of casing (7) is connected with mount (903), just bearing (902) are located the inside of mount (903).

2. A multi-stage screening extension according to claim 1, wherein: screening mechanism (6) are including first screen cloth (601), second screen cloth (602), third screen cloth (603), the inside of casing (7) is from last to having set gradually third screen cloth (603), second screen cloth (602) and first screen cloth (601) down, and be the slope form, the highest end of second screen cloth (602) is close to the highest end of third screen cloth (603), the highest end of first screen cloth (601) is close to the lowest end of second screen cloth (602).

3. A multi-stage screening extension according to claim 2, wherein: guide mechanism (10) are including first guide board (101), second guide board (102), third guide board (103), the bottom of third screen cloth (603) and second screen cloth (602) is provided with first guide board (101) and second guide board (102) the same rather than the slope form, and is provided with the hourglass material passageway between the least significant end of first guide board (101) and second guide board (102) and casing (7), the bottom of first screen cloth (601) is provided with third guide board (103) the same rather than inclination.

4. A multi-stage screening extension according to claim 1, wherein: the outside of casing (7) is provided with a plurality of discharge gates (11), and every discharge gate (11) are located the top of first guide board (101), second guide board (102) and third guide board (103).

5. A multi-stage screening extension according to claim 2, wherein: the upper surfaces of the bottommost ends of the first screen (601), the second screen (602) and the third screen (603) are connected with a guide plate (12).

6. A multi-stage screening extension according to claim 1, wherein: the bottom of casing (7) is provided with base (1), inner chamber (3) have been seted up to the inside of base (1), the upper surface and the bottom surface of inner chamber (3) all are connected with roll ball (13), the inside of inner chamber (3) is provided with supporting shoe (5), and supporting shoe (5) with the surface contact of roll ball (13), the upper surface of supporting shoe (5) with the bottom surface of casing (7) is connected, the inside wall of inner chamber (3) is provided with buffer washer (14).

7. A multi-stage screening extension according to claim 6, wherein: the upper surface of the base (1) is connected with a fixing ring (2), the inner side wall of the fixing ring (2) is connected with a plurality of strong springs (4), and the other ends of the strong springs (4) are connected with the outer surface of the supporting block (5).

8. A multi-stage screening extension according to claim 1, wherein: the upper surface of the machine shell (7) is provided with a feeding hole (8).