CN215656354U

CN215656354U - Screening equipment

Info

Publication number: CN215656354U
Application number: CN202122337648.6U
Authority: CN
Inventors: 梁承渊; 伏浪
Original assignee: Changsha Diat New Material Sci & Tech Co ltd
Current assignee: Changsha Diat New Material Sci & Tech Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-28
Anticipated expiration: 2031-09-26

Abstract

The utility model provides screening equipment, which relates to the field of wet screening, and comprises a screening system, a stirring system and a vibration system; the screening system comprises a screening chamber arranged on the vibration system and a screening disc arranged in the screening chamber; the stirring system comprises a stirring unit, a driving unit and an adjusting unit, wherein the stirring unit and the driving unit are connected with the vibration system through the adjusting unit, and the stirring unit is suspended above the sieve tray. Vibration system makes screening room and sieve tray vibration, and drive unit orders about the stirring unit and mixs the mixed liquid of the indoor diamond of waiting to screen of screening, avoids diamond miropowder deposit on the sieve tray, is favorable to the diamond miropowder that the granularity is less than the sieve tray aperture from passing the sieve tray to improve screening efficiency, promote the screening effect. In addition, the diamond micropowder of different granularities has different settling velocity, utilizes the height of adjusting element adjustment stirring unit, can make the diamond mixed liquid that waits to sieve reach best dispersed state to further promote the screening effect.

Description

Screening equipment

Technical Field

The utility model relates to the field of wet screening, in particular to screening equipment.

Background

The diamond micropowder refers to diamond particles with the granularity of less than 36-54um, has high hardness and good wear resistance, can be widely used for cutting, grinding, drilling, polishing and the like, and is an ideal raw material for grinding and polishing high-hardness materials such as hard alloy, ceramics, gems, optical glass and the like. At present, wire saws start to be gradually thinned, and the minimum wire diameter reaches 38um, which requires that the diamond grain size used for the wire saw is smaller and smaller.

In order to obtain diamond powder and other powder materials with a particle size within a specific range, a vibration screening machine is commonly used for carrying out wet screening on the diamond powder and other powder materials. However, when the existing sieving machine sieves powder with small particle size (for example, less than 10um), the powder is easy to settle on the screen, which causes the screen to be blocked, and simultaneously affects the sieving efficiency and the sieving effect of the powder.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model aims to provide a screening device.

The utility model provides the following technical scheme:

a screening device comprises a screening system, a stirring system and a vibration system;

the screening system comprises a screening chamber arranged on the vibration system and a screening disc arranged in the screening chamber;

the stirring system comprises a stirring unit, a driving unit and an adjusting unit, wherein the stirring unit and the driving unit are all connected through the adjusting unit and the vibrating system, the stirring unit is suspended above the sieve tray, the driving unit is used for driving the stirring unit, and the adjusting unit is used for adjusting the height of the stirring unit.

As a further alternative to the screening device, the adjustment unit comprises a support bar and a first adjustment block;

the support rod is fixedly connected with the vibration system, and the first adjusting block is sleeved on the support rod and is in interference fit with the support rod;

the stirring unit and the driving unit are both arranged on the first adjusting block.

As a further alternative to the screening device, the adjustment unit comprises a support bar and a second adjustment block;

the supporting rod is fixedly connected with the vibration system, the second adjusting block is provided with clamping jaws in pairs, the two clamping jaws are respectively positioned on two sides of the supporting rod, adjusting bolts penetrate through the two clamping jaws, and adjusting nuts are sleeved on the adjusting bolts;

the stirring unit and the driving unit are both arranged on the second adjusting block.

As a further alternative to the screening device, the adjustment unit comprises a support bar, a third adjustment block and a locking piece;

the supporting rod is fixedly connected with the vibration system, the third adjusting block is sleeved on the supporting rod in a sliding mode, and the locking piece is used for locking the third adjusting block;

the stirring unit and the driving unit are both arranged on the third adjusting block.

As a further optional scheme for the screening device, the locking piece is a locking bolt, the locking bolt is arranged on the third adjusting block in a penetrating mode and in threaded fit with the third adjusting block, and the locking bolt abuts against the side wall of the supporting rod.

As a further optional scheme of the screening device, the locking piece is a locking nut, the locking nut is sleeved on the support rod and is in threaded fit with the support rod, and the locking nuts are arranged above and below the third adjusting block in pairs.

As a further optional scheme for the screening device, the locking member is a locking pin, the locking pin is simultaneously slidably inserted into the third adjusting block and the support rod, and the support rod is correspondingly provided with a plurality of pin holes.

As a further alternative to the screening device, the adjustment unit comprises a seat;

the stirring unit comprises a stirring shaft and a stirring blade, the stirring shaft is rotatably arranged on the support, and the stirring blade is fixedly connected with the stirring shaft.

As a further optional scheme for the screening device, the driving unit adopts a driving motor, the driving motor is fixedly arranged on the support, and a crankshaft of the driving motor is connected with the stirring shaft.

As a further optional scheme of the screening device, a transparent cover plate is arranged on the screening chamber.

The embodiment of the utility model has the following beneficial effects:

use screening diamond miropowder as an example, screening in-process, vibration system makes screening room and sieve tray vibration, and drive unit orders about the stirring unit and mixs the indoor diamond mixed liquid that waits to screen of screening, avoids diamond miropowder deposit on the sieve tray, is favorable to the diamond miropowder that the granularity is less than the sieve tray aperture to pass the sieve tray to improve screening efficiency, promote the screening effect. In addition, the diamond miropowder of different granularities has different settling velocity, utilizes the height of adjusting element adjustment stirring unit, changes the distance between stirring unit and the sieve tray, can make the diamond mixed liquid that waits to sieve reach best dispersed state to further promote the screening effect.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 shows a schematic diagram of an overall axial structure of a screening device provided in example 1 of the present invention;

FIG. 2 is a schematic structural diagram of an agitating system in a screening device provided in embodiment 1 of the present invention;

FIG. 3 is a schematic diagram showing the structure of a regulating unit in a screening apparatus provided in embodiment 2 of the present invention;

figure 4 shows a schematic structural diagram of a regulating unit in a screening device provided in example 3 of the present invention in a specific implementation;

figure 5 shows a schematic structural diagram of a regulating unit in another specific implementation mode of the screening device provided by the embodiment 3 of the utility model;

figure 6 shows a schematic structural diagram of a regulating unit in a screening device according to embodiment 3 of the present invention in a further embodiment.

Description of the main element symbols:

100-a screening system; 110-a sieving chamber; 120-a transparent cover plate; 130-a sieve tray; 140-a hopper; 150-a discharge pipe; 200-a stirring system; 210-a stirring unit; 211-a stirring shaft; 212-stirring blade; 220-a drive unit; 230-a regulating unit; 231-a support bar; 231 a-pin hole; 232-a first conditioning block; 233-a second regulating block; 233 a-a jaw; 233 b-adjusting bolt; 233 c-adjusting nut; 234-a third conditioning block; 235-a locking element; 236-cantilever; 237-support; 300-a vibration system; 310-a tray; 311-column; 312-briquetting; 320-mounting plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1, the present embodiment provides a sieving apparatus, particularly a diamond-coated sieving apparatus for wire saw, which is used for wet sieving diamond fine powder with a particle size below 15um, and can also be used for sieving other powder materials. The screening device comprises a screening system 100, a stirring system 200 and a vibration system 300, and both the screening system 100 and the stirring system 200 are fixed on the vibration system 300.

Specifically, the vibration system 300 employs a vibration motor. The upper surface of the vibration motor is provided with a tray 310, the outer side wall of the vibration motor is provided with a mounting plate 320, and the tray 310 and the mounting plate 320 are fixedly connected with the vibration motor in a bolting or welding mode.

Specifically, the screening system 100 includes a screening chamber 110, a transparent cover plate 120, and a screening tray 130.

The sieving chamber 110 is a cylindrical structure with an open top end and a closed bottom end, and is used for containing the diamond mixed liquid to be sieved in the sieving process, and the sieving chamber 110 is placed on the tray 310.

The transparent cover plate 120 is bolted or clamped and fixed with the top end of the sieving chamber 110, so that the diamond mixed liquid to be sieved is prevented from splashing out of the sieving chamber 110. The transparent cover 120 is made of transparent plastic, glass, etc., so that an operator can observe the conditions in the screening chamber 110 conveniently.

The sieve tray 130 is arranged along the horizontal direction, the sieve tray 130 is bolted or clamped and fixed on the inner side wall of the sieving chamber 110, and the diamond micro powder with the granularity smaller than the mesh aperture of the sieve tray 130 is allowed to pass through in the sieving process, so that the diamond micro powder with the granularity larger than the mesh aperture of the sieve tray is intercepted.

In addition, a funnel-shaped hopper 140 is arranged on the cover plate, and an operator adds the diamond mixed liquid to be sieved into the sieving chamber 110 from the hopper 140. The bottom of the side wall of the sieving chamber 110 is connected with a discharging pipe 150, and the diamond micro powder sieved by the sieving disc 130 is mixed in liquid and discharged from the discharging pipe 150.

To secure the screening system 100 to the tray 310, the upper surface of the tray 310 is provided with studs 311. The upright column 311 is arranged along the vertical direction, and the bottom end thereof is welded and fixed with the tray 310. The columns 311 are disposed at both sides of the classifying chamber 110 in pairs, and strip-shaped pressing blocks 312 are provided on both columns 311. The pressing block 312 is horizontally disposed and pressed on the upper surface of the transparent cover 120 to prevent the sieving system 100 from shaking and shifting on the tray 310.

During the screening process, the vibration system 300 vibrates the screening chamber 110 and the screening deck 130.

Referring to fig. 2, in particular, the stirring system 200 is composed of a stirring unit 210, a driving unit 220 and an adjusting unit 230. Wherein, stirring unit 210 hangs in sieve tray 130 top, and drive unit 220 orders about stirring unit 210 and stirs the diamond mixed liquid of waiting to sieve in the screening room 110, avoids diamond miropowder deposit on sieve tray 130, is favorable to the diamond miropowder that the granularity is less than sieve tray 130 apertures from passing sieve tray 130 to improve screening efficiency, promote the screening effect. In addition, the stirring unit 210 and the driving unit 220 are connected to a mounting plate 320 at a side of the vibration motor through an adjusting unit 230, and the adjusting unit 230 can adjust the height of the stirring unit 210.

In the present embodiment, the adjusting unit 230 is composed of a support rod 231, a first adjusting block 232, a cantilever 236, and a support 237. The mounting plate 320, the support rod 231, the first adjusting block 232, the suspension arm 236, and the support 237 are sequentially connected, and the stirring unit 210 and the driving unit 220 are disposed on the support 237.

The support rod 231 is a round rod and is arranged along the vertical direction, and the bottom end of the support rod 231 is welded and fixed with the mounting plate 320. The first adjusting block 232 is sleeved on the supporting rod 231 and is in interference fit with the supporting rod 231. The cantilever 236 horizontally passes through the first adjusting block 232 and is fixedly connected with the first adjusting block 232, and one end of the cantilever 236 is welded, bolted or fixed with the support 237.

In use, the first adjusting block 232 is stabilized on the support rod 231 by static friction with the support rod 231, and supports the stirring unit 210 and the driving unit 220 through the cantilever 236 and the seat 237. The operator can move the first adjusting block 232 on the supporting rod 231 by overcoming the maximum static friction between the first adjusting block 232 and the supporting rod 231, so as to adjust the height of the stirring unit 210.

The diamond micropowder of different granularities has different settling velocity, utilizes the height of regulating unit 230 adjustment stirring unit 210, changes the distance between stirring unit 210 and sieve tray 130, can make the diamond mixed liquid that waits to sieve reach best dispersed state to promote the screening effect.

In the sieving process, the diamond micro powder sieved by the sieve tray 130 is mixed in liquid and discharged from the discharge pipe 150, and new diamond mixed liquid to be sieved is added at the feeding hopper 140, so that the liquid level in the sieving chamber 110 changes constantly. According to the difference of liquid level height in the sieving chamber 110, an operator can also adjust the height of the stirring unit 210 by using the adjusting unit 230, so that the diamond mixed liquid to be sieved reaches the optimal dispersion state, and the sieving effect is improved.

In the present embodiment, the stirring unit 210 is composed of a stirring shaft 211 and stirring blades 212. The stirring shaft 211 is arranged in a vertical direction and is rotatably connected with the support 237. The stirring blade 212 is fixed at the bottom end of the stirring shaft 211 and is opposite to the upper surface of the sieve tray 130.

In the present embodiment, the driving unit 220 employs a driving motor. The driving motor is bolted to a support 237, and its crankshaft extends vertically downward and is connected to the top end of the stirring shaft 211 by a coupling. According to the difference of the granularity of the diamond micropowder, an operator can adjust the output power of the driving motor so as to adjust the stirring speed, thereby achieving the optimal screening effect.

After the driving motor is started, the driving motor drives the stirring blade 212 to rotate through the stirring shaft 211, the mixed liquid of diamond to be sieved can be stirred, the diamond micro powder is prevented from being deposited on the sieve tray 130, meshes on the sieve tray 130 are not easy to be blocked by the diamond micro powder, and meanwhile, the diamond micro powder blocked in the meshes is washed by the flowing mixed liquid, so that the diamond micro powder drops from the sieve tray 130. In this case, the sieving efficiency is improved, and the frequency of cleaning and replacing the sieve tray 130 is also reduced.

When the screening device is used, the screen tray 130 and the stirring system 200 are fixed, then the diamond mixed liquid to be screened is added into the screening chamber 110 from the feeding hopper 140, and then the vibrating motor and the driving motor are started to start screening. In the screening process, the screened diamond micro powder is mixed in liquid and flows out from the discharge pipe 150, an operator observes the liquid level condition in the screening chamber 110 through the transparent cover plate 120, the diamond mixed liquid to be screened is slowly supplemented, and the height of the stirring unit 210 is adjusted according to the liquid level in the supplementing process, so that the diamond mixed liquid to be screened reaches the optimal dispersion state. After the screening is finished, the screen tray 130 is taken down, and the screened diamond micro powder is washed into the sand filling barrel.

Example 2

Referring to fig. 3, the difference from embodiment 1 is that the structure of the adjusting unit 230 is different.

In the present embodiment, the adjusting unit 230 is composed of a support rod 231, a second adjusting block 233, a cantilever 236, and a support 237. The structures of the support rod 231, the cantilever 236 and the support 237 are the same as those of embodiment 1, and are not described in detail with reference to fig. 2.

The second adjusting block 233 is provided with two clamping jaws 233a in pairs, and the two clamping jaws 233a are respectively located at two sides of the supporting rod 231. Adjusting bolts 233b are arranged on the two clamping jaws 233a in a penetrating manner, and adjusting nuts 233c are sleeved on the adjusting bolts 233 b.

An operator screws the adjusting nut 233c to drive the two clamping jaws 233a to close and tightly press the support rod 231, so that the second adjusting block 233 is fixedly connected with the support rod 231 by using the friction force between the clamping jaws 233a and the support rod 231. When the position of the stirring unit 210 needs to be adjusted, the operator only needs to loosen the adjusting nut 233c and loosen the support rod 231, so as to change the position of the second adjusting block 233 on the support rod 231.

Example 3

Referring to fig. 4, the difference from embodiment 1 is that the structure of the adjusting unit 230 is different.

In the present embodiment, the adjusting unit 230 is composed of a support rod 231, a third adjusting block 234, a locking member 235, a cantilever 236, and a support 237. The structures of the support rod 231, the cantilever 236 and the support 237 are the same as those of embodiment 1, and are not described in detail with reference to fig. 2.

The third adjusting block 234 is slidably disposed on the supporting rod 231, and the locking member 235 is used for locking the third adjusting block 234, so that the third adjusting block 234 is fixedly connected to the supporting rod 231. The operator operates the locking member 235 to release the third adjustment block 234, so that the position of the third adjustment block 234 on the support bar 231 can be changed.

In one embodiment of this embodiment, the locking member 235 is a locking bolt. The locking bolt is disposed through third adjustment block 234 and is in threaded engagement with third adjustment block 234. At the same time, the locking bolt also abuts the side wall of the support bar 231.

The operator screws in the locking bolt to make the locking bolt tightly abut against the sidewall of the supporting rod 231, so that the third adjusting block 234 can be locked by friction. The operator unscrews the locking bolt to disengage the locking bolt from the sidewall of the support rod 231, and then releases the third adjustment block 234.

Referring to fig. 5, in another embodiment of the present embodiment, the locking member 235 is a locking nut. The locking nut is sleeved on the support rod 231 and is in threaded fit with the support rod 231. Further, the lock nuts are provided in pairs above and below the third regulation block 234.

The two locking nuts clamp the third adjusting block 234, so that the third adjusting block 234 can be locked on the support rod 231. The operator screws the locking nut to change the position of the locking nut on the support rod 231, i.e., the position of the third adjusting block 234.

Referring to fig. 6, in another embodiment of the present embodiment, the locking member 235 is a locking pin. The locking pin is arranged along the radial direction of the support rod 231 and is arranged on the third adjusting block 234 and the support rod 231 in a sliding mode. Accordingly, the support rod 231 is provided with a plurality of pin holes 231a, and the pin holes 231a are arranged in the vertical direction.

The operator can release the third adjusting block 234 by pulling the locking pin out of the pin hole 231a, so that the third adjusting block 234 can slide freely on the supporting rod 231. The operator inserts the locking pin into the specific pin hole 231a to lock the third adjusting block 234.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

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.

The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A screening device is characterized by comprising a screening system, a stirring system and a vibration system;

2. A screening apparatus according to claim 1, wherein the adjustment unit comprises a support bar and a first adjustment block;

3. A screening apparatus according to claim 1, wherein the adjustment unit comprises a support bar and a second adjustment block;

4. A screening apparatus according to claim 1, wherein the adjustment unit comprises a support bar, a third adjustment block and a locking member;

5. The screening apparatus of claim 4, wherein the locking member is a locking bolt, the locking bolt is disposed through the third adjusting block and is in threaded engagement with the third adjusting block, and the locking bolt abuts against the side wall of the support rod.

6. A screening apparatus according to claim 4, wherein said locking members are locking nuts which are received on and threadedly engage said support rods, said locking nuts being provided in pairs above and below said third adjustment block.

7. The screening apparatus of claim 4, wherein the locking member is a locking pin, the locking pin is slidably disposed through the third adjustment block and the support bar, and the support bar is correspondingly formed with a plurality of pin holes.

8. A screening apparatus according to claim 1, wherein the adjustment unit comprises a seat;

9. A screening apparatus as claimed in claim 8, wherein said drive unit employs a drive motor, said drive motor being fixedly mounted on said support, a crankshaft of said drive motor being connected to said agitator shaft.

10. A screening apparatus according to claim 1, wherein a transparent cover is provided over the screening chamber.