CN216606051U

CN216606051U - Vibration screening device

Info

Publication number: CN216606051U
Application number: CN202123393652.0U
Authority: CN
Inventors: 余帅; 王丹; 郑忠华; 张位年; 林万焕
Original assignee: Zhejiang Fuda Alloy Materials Technology Co Ltd
Current assignee: Zhejiang Fuda Alloy Materials Technology Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-27
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a vibration screening device, which belongs to the technical field of screening devices and comprises a screening disc and a vibration mechanism; the vibration mechanism comprises a front cam group and a rear cam group which are arranged in the front and the rear, and at least one vibration block connected with the cam; a plurality of waist-shaped holes are formed in the sieve tray, connecting pieces used for connecting the sieve tray and the vibrating block are arranged in small holes of the waist-shaped holes, and the head of each connecting piece can penetrate through a large hole of each waist-shaped hole; the eccentric directions of the front cam group and the rear cam group are opposite. The beneficial effects of the utility model are: can realize quick replacement, the effect of vibration screening is better, improves screening efficiency by a wide margin.

Description

Vibration screening device

Technical Field

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

Background

With the development of society, the vibrating screen has been widely used in many fields, and is a mechanical device for screening materials by using the vibration principle. It is widely used in mining, metallurgy, light industry and other industries to perform different works, and screen materials of different sizes by using hole-shaped or slit-shaped screen discs or screens. Different materials need sieve tray of different shape size to sieve, now, because the shale shaker mounting structure is complicated, trades for and gets the trouble, and the shale shaker equipment is not applicable to the screening of multiple material, only sieves a material.

In order to solve the above problems, the present invention provides a vibratory screening apparatus.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the present invention provides a vibratory screening apparatus, comprising a screen tray and a vibrating mechanism; the vibration mechanism comprises a front cam group and a rear cam group which are arranged in front and at back, and at least one vibration block connected with the cam; a plurality of waist-shaped holes are formed in the sieve tray, connecting pieces used for connecting the sieve tray and the vibrating block are arranged in small holes of the waist-shaped holes, and the head of each connecting piece can penetrate through a large hole of each waist-shaped hole; the eccentric directions of the front cam group and the rear cam group are opposite.

Preferably, a blanking disc is arranged below the sieve disc, and the blanking disc is detachably connected to the vibrating block.

Preferably, the vibration mechanism comprises a motor, a driving wheel, a driven wheel and a synchronous belt; the motor drive is connected with the driving wheel, the driving wheel is connected with the driven wheel through synchronous rotation of the synchronous belt, and the driven wheel is connected with the front cam group or the rear cam group in a coaxial rotating mode.

Preferably, the sieve tray and/or the blanking tray are arranged obliquely.

Preferably, the connecting piece is a bolt or a clamping block.

Preferably, the screen disc further comprises a feeding mechanism arranged above the screen disc; the feeding mechanism comprises a rack, a storage bin fixed on the rack, a direct vibration device and a feeding disc; the direct vibration is connected below the upper material tray to drive the upper material tray to vibrate and discharge; the discharge hole of the storage bin is arranged above the feeding disc; the discharge hole of the feeding disc is arranged above the sieve disc.

Preferably, the upper charging tray is provided with at least one baffle plate, the baffle plate extends along the direction vertical to the material flowing direction, and a gap for passing through materials is reserved between the lower end of the baffle plate and the upper charging tray.

Preferably, a plurality of bar holes along vertical extension are seted up on the baffle, the baffle passes through bar hole spiro union in go up the charging tray inboard or the outside of feed bin.

Preferably, the lower end of the baffle adjacent to the bin has a guide structure which is a beveled or curved edge that is concave toward the bin.

Preferably, the feed bin pass through the mounting panel connect in the frame, set up in the frame along a plurality of bar holes of vertical extension, the one end of mounting panel is fixed in feed bin, the other end pass through bar hole spiro union in the frame.

The utility model has the following beneficial effects:

1. the utility model has the advantages that the screen discs are independently arranged on the vibrating block through the waist-shaped holes by simply designing the mounting positions of the screen discs, and are locked through the small holes of the waist-shaped holes, and the connecting pieces can enter or be taken out from the large holes of the waist-shaped holes without being completely unscrewed during disassembly and assembly, so that the quick replacement can be realized, the cost is greatly reduced, and the screening efficiency is improved;

2. the eccentric directions of the front cam group and the rear cam group of the vibration screening mechanism are opposite, so that the vibration mechanism can drive the vibration screen to vibrate in a back-and-forth swinging mode, the vibration screening effect is better, and the screening efficiency can be greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of the internal structure of the vibration mechanism;

FIG. 3 is a front view of the vibration mechanism;

FIG. 4 is a schematic structural view of a vibration plate;

FIG. 5 is a schematic view of the stopper;

in the figure: 1-a sieve tray, 2-a vibration mechanism, 3-a kidney-shaped hole, 4-a connecting piece, 5-a blanking tray, 6-a feeding mechanism,

21-a front cam group, 22-a rear cam group, 23-a vibrating block, 24-a motor, 25-a driving wheel, 26-a driven wheel, 27-a synchronous belt, 28-a tension wheel,

61-frame, 62-bin, 63-vertical vibration, 64-feeding tray, 65-baffle, 66-strip-shaped hole and 67-guide structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 5, a vibratory screening apparatus includes a screen tray 1 and a vibrating mechanism 2; the vibration mechanism 2 comprises a front cam group 21 and a rear cam group 22 which are arranged in the front and the rear, and at least one vibration block 23 connected with the cams; a plurality of waist-shaped holes 3 are formed in the screen disc 1, connecting pieces 4 used for connecting the screen disc 1 and the vibrating block 23 are arranged in small holes of the waist-shaped holes 3, and the head parts of the connecting pieces 4 can penetrate through large holes of the waist-shaped holes 3; the eccentric directions of the front cam group 21 and the rear cam group 22 are opposite.

By adopting the structure, the structure has the following advantages: the general vibration screening mechanism can only screen a single product, and can not quickly replace the screen disc 1 according to different sizes of various materials, the screen disc 1 is independently installed on the vibrating block 23 through the waist-shaped hole 3 through the simple design of the installation position of the screen disc 1, and is locked through the small hole of the waist-shaped hole 3, and when the screen disc is disassembled and assembled, the connecting piece 4 can be inserted into or taken out from the large hole of the waist-shaped hole 3 without being completely unscrewed, so that the quick replacement can be realized, the cost is greatly reduced, and the screening efficiency is improved;

in addition, the vibration screening mechanism is based on a parallelogram mechanism as a design principle, and drives the screening disc 1 to vibrate through the rotation of the cam, so that the material can move forwards to achieve the effect of amplifying displacement; and the eccentric directions of the front cam group 22 and the rear cam group 22 are opposite, so that the vibrating mechanism 2 can drive the vibrating screen to vibrate back and forth, the vibrating screening effect is better, and the screening efficiency can be greatly improved.

In one embodiment, the lower side of sieve tray 1 is equipped with down charging tray 5, and unloading tray 5 can be dismantled and connect in vibrating mass 23, and the discharge end of unloading tray 5 sets up with the discharge end of sieve tray 1 is crisscross, and what unloading tray 5 went out is the less material of size, and what sieve tray 1 went out is the great material of size, and the structure of crisscross setting can avoid the two to mix at the discharge end.

In one embodiment, the vibration mechanism 2 includes a motor 24, a driving pulley 25, a driven pulley 26, and a timing belt 27; the motor 24 is connected with the driving wheel 25 in a driving mode, the driving wheel 25 is connected with the driven wheel 26 in a synchronous rotation mode through the synchronous belt 27, and the driven wheel 26 is connected with the front cam group 21 or the rear cam group 22 in a coaxial rotation mode.

The vibration screening mechanism consists of a screen disc 1, a motor 24, a synchronous belt 27 wheel, a rotating shaft, a cam shaft and the like. The synchronous belt 27 is driven by the motor 24 to rotate, and the cam shaft connected with the synchronous belt 27 rotates at a high speed, so that the sieve tray 1 is excited to generate a certain amplitude, materials on the sieve tray 1 move forwards along the direction of the inclination angle of the sieve surface, and finally finished products and defective products are distinguished.

Of course, the vibration mechanism 2 may further include a plurality of tension pulleys 28 connected to the timing belt 27 for tensioning the timing belt 27.

In the further scheme, sieve tray 1 and/or unloading dish 5 slope setting, through the structure of slope, the gravity of accessible material makes the material roll-off, avoids the material to pile up in sieve tray 1 or unloading dish 5.

In one embodiment, the connecting piece 4 is a bolt or a clamping block, when the connecting piece is locked, the middle part of the connecting piece 4 is positioned in the small hole of the waist-shaped hole 3, when the connecting piece is taken out, only the connecting piece 4 needs to be unscrewed, then the connecting piece 4 is slid to be taken out from the large hole of the waist-shaped hole 3, and when the connecting piece is assembled, the reverse operation is performed; in the dismouting in-process, need not to unscrew the bolt completely, improved the dismouting efficiency of sieve tray 1 by a wide margin, be convenient for change.

In one embodiment, the device further comprises a feeding mechanism 6 arranged above the sieve tray 1; the feeding mechanism 6 comprises a frame 61, a bin 62 fixed on the frame 61, a direct vibration 63 and a feeding tray 64; the direct vibration 63 is connected below the upper material tray 64 and drives the upper material tray 64 to vibrate and discharge; the discharge hole of the bin 62 is arranged above the feeding tray 64; the discharge hole of the feeding tray 64 is arranged above the sieve tray 1.

Compared with the prior art, in the using process, an operator only needs to place the material in the bin 62 and send the material to the vibration screening mechanism through the vibration of the direct vibration 63, so that the hand numbness caused by the contact between the hand of the operator and the vibration disc is avoided.

In a further scheme, at least one baffle plate 65 is arranged on the upper material tray 64, the baffle plate 65 extends along the direction vertical to the material flowing direction, and a gap for passing the material is reserved between the lower end of the baffle plate 65 and the upper material tray 64.

According to the utility model, the discharge of the bin 62 is controlled according to the direct vibration 63 part of the feeding mechanism 6, the material is vibrated onto the sieve tray 1 through vibration, the baffle plate 65 of the feeding mechanism 6 is used for performing auxiliary correction on the material, so that the material can reach a consistent direction, the baffle plate 65 can be detached and replaced or the installation height of the baffle plate 65 can be adjusted according to different materials, and then the gap between the baffle plate 65 and the feeding tray 64 is adjusted, so that the quick adjustment is realized, and the device is suitable for materials with different sizes. Has the characteristics of simple structure, stable performance and the like.

In the further scheme, set up on the baffle 65 along a plurality of bar holes 66 of vertical extension, the baffle 65 passes through bar hole 66 spiro union in the inboard or the outside of feed bin 62 of last charging tray 64, and the long limit of bar hole 66 is along vertical extension, can be according to the mounted position of the big or small adjustment baffle 65 of material.

In the further scheme, the lower extreme that is close to the baffle 65 of feed bin 62 has guide structure 67, and guide structure 67 is towards the hypotenuse or the arc limit that feed bin 62 caves in, the diversion of the material of being more convenient for through guide structure 67 for the material gets into sieve tray 1 along same direction, improves the screening effect.

In one embodiment, the storage bin 62 is connected to the frame 61 through a mounting plate, a plurality of strip-shaped holes 66 extending vertically are formed in the frame 61, one end of the mounting plate is fixed to the storage bin 62, and the other end of the mounting plate is screwed to the frame 61 through the strip-shaped holes 66.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

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 at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the utility model. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are within the scope of the utility model.

Claims

1. A vibratory screening apparatus, comprising: comprises a sieve tray (1) and a vibration mechanism (2);

the vibration mechanism (2) comprises a front cam group (21) and a rear cam group (22) which are arranged in the front and at the back, and at least one vibration block (23) connected with the cam;

a plurality of waist-shaped holes (3) are formed in the sieve tray (1), connecting pieces (4) used for connecting the sieve tray (1) and the vibrating block (23) are arranged in small holes of the waist-shaped holes (3), and the head parts of the connecting pieces (4) can penetrate through large holes of the waist-shaped holes (3);

the eccentric directions of the front cam group (21) and the rear cam group (22) are opposite.

2. A vibratory screening apparatus as set forth in claim 1 wherein: the below of sieve dish (1) is equipped with down charging tray (5), down charging tray (5) can dismantle connect in vibrating mass (23).

3. A vibratory screening apparatus as set forth in claim 1 wherein: the vibration mechanism (2) comprises a motor (24), a driving wheel (25), a driven wheel (26) and a synchronous belt (27); motor (24) drive connect in action wheel (25), action wheel (25) pass through hold-in range (27) synchronous revolution connect in from driving wheel (26), from driving wheel (26) with preceding cam train (21) or back cam group (22) coaxial rotation is connected.

4. A vibratory screening apparatus as set forth in claim 2 wherein: the sieve tray (1) and/or the blanking tray (5) are obliquely arranged.

5. A vibratory screening apparatus as set forth in claim 1 wherein: the connecting piece (4) is a bolt or a clamping block.

6. A vibratory screening apparatus as set forth in any one of claims 1-5 wherein: the feeding mechanism (6) is arranged above the sieve tray (1);

the feeding mechanism (6) comprises a rack (61), a storage bin (62) fixed on the rack (61), a direct vibration device (63) and a feeding tray (64);

the direct vibration device (63) is connected below the upper material tray (64) and drives the upper material tray (64) to vibrate and discharge;

the discharge hole of the storage bin (62) is arranged above the upper charging tray (64);

the discharge hole of the feeding plate (64) is arranged above the sieve plate (1).

7. A vibratory screening apparatus as set forth in claim 6 wherein: the material feeding tray is characterized in that at least one baffle plate (65) is arranged on the material feeding tray (64), the baffle plate (65) extends along the direction vertical to the material flowing direction, and a gap for passing materials is reserved between the lower end of the baffle plate (65) and the material feeding tray (64).

8. A vibratory screening apparatus as set forth in claim 7 wherein: set up on baffle (65) along a plurality of bar holes (66) of vertical extension, baffle (65) pass through bar hole (66) spiro union in go up charging tray (64) inboard or the outside of feed bin (62).

9. A vibratory screening apparatus as set forth in claim 7 wherein: the lower end of the baffle (65) near the silo (62) is provided with a guide structure (67), and the guide structure (67) is a bevel edge or an arc edge which is concave towards the silo (62).

10. A vibratory screening apparatus as set forth in claim 6 wherein: feed bin (62) pass through the mounting panel connect in frame (61), set up on frame (61) along a plurality of bar holes (66) of vertical extension, the one end of mounting panel is fixed in feed bin (62), the other end pass through bar hole (66) spiro union in frame (61).