CN212238173U - Taut adjusting device of screen cloth tip and shale shaker - Google Patents

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a screen end tensioning and adjusting device, which comprises a displacement hole and a screen pressing plate, wherein the displacement hole is arranged on a side plate of a box body; the screen pressing plate penetrates through the displacement hole and is pressed tightly through the pressing block. The vibrating screen comprises a screen end tensioning and adjusting device, a screen supporting device, a first arc-shaped screen and a second arc-shaped screen; the screen mesh supporting device comprises a first screen mesh supporting device and a second screen mesh supporting device which are symmetrically distributed relative to the transition plate and are arranged on the side plates of the two box bodies, one end of the first arc-shaped screen mesh and one end of the second arc-shaped screen mesh are arranged on the transition plate, and the other end of the first arc-shaped screen mesh and the other end of the second arc-shaped screen mesh are hung on the tensioning adjusting device at the end part of the screen mesh. The utility model is simple and reliable, has high adjusting efficiency, is not easy to deform due to the transverse stress of the pressing plate, has uniform stress of the screen and prolongs the service life of the screen; the screen cloth adopts two segmentation structures of camber line shape, the length of the sifting surface that improves, the effectual screen mesh degree that improves material screening efficiency and shale shaker.

Description

Taut adjusting device of screen cloth tip and shale shaker

Technical Field

The utility model relates to a shale shaker technical field, in particular to taut adjusting device of screen cloth tip and shale shaker.

Background

Along with the enhancement of environmental awareness of people and the requirements of national policies, the application of the mobile screening equipment in the aspects of urban building garbage, mines and the like is more and more extensive. The movable screening equipment mainly comprises a screening box, a vibrating motor or a vibration exciter, a spring assembly, a supporting base and a screen frame, a screen and a screen tensioning and adjusting device. The movable vibrating screen is characterized in that a screen box is driven to vibrate by polarization of a side plate vibrating motor or a vibration exciter, and the screen box vibrates to drive materials on the screen to jump and move along a certain track, so that the purpose of screening is achieved.

The tensioning screen cloth is adjusted through a plurality of bolts of both sides board to compress tightly the tensioning plate when adjusting the fixed, and this kind of taut adjusting device of screen cloth can not effective even tensioning screen cloth in the use, and accommodation is very little moreover, yielding, causes the screen cloth taut unreliable, and the screen cloth harm with higher speed, and waste time, difficultly when changing the screen cloth.

At present, the screen cloth commonly used for the vibrating screen is one layer, the screen cloth is required to be very large and heavy by the screen box with the same length, and the screen cloth is not easy to install and replace; the arc-shaped arrangement of one screen is limited due to the space limitation of the screen box, so that the screen is generally in a plane structure, and the effective screening area is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an among the correlation technique compress tightly the tensioning plate through a plurality of bolts of both sides board and adjust the tensioning screen cloth, this kind of taut adjusting device of screen cloth can not effective even tensioning screen cloth in the use, and accommodation is very little moreover, yielding, causes the screen cloth taut unreliable, and the screen cloth harm with higher speed, and waste time when changing the screen cloth, hard problem provides a taut adjusting device of screen cloth tip. In addition, aiming at the problems that the screen cloth commonly used in the vibrating screen in the prior art is one layer, the screen cloth is required to be very large and heavy by the screen box with the same length, and the screen cloth is not easy to install and replace; receive the restriction in sieve case space, the arc line type of arranging that makes a screen cloth of one deck is just limited for effectual screening area has just reduced the problem of many and the taut adjusting device of aforementioned screen cloth, the utility model discloses an on the other hand still provides a shale shaker.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a screen end tensioning adjustment apparatus comprising:

the displacement hole is formed in the side plate of the box body;

and the screen pressing plate penetrates through the displacement hole and is pressed tightly through the pressing block.

Preferably, the displacement holes are formed along the length direction of the side plate of the box body.

As a preferred scheme, both sides of the screen pressing plate are pressed tightly through pressing blocks.

Preferably, the pressing block is pressed through an adjusting bolt, and the adjusting bolt penetrates through the fixing plate and is screwed on the pressing block.

The utility model discloses an on the other hand still provides a shale shaker, include:

the screen end tensioning and adjusting device is arranged on two sides of two ends of the side plate of the box body;

the screen support device comprises a first screen support device and a second screen support device which are distributed on two sides of the transition plate and have arc structures, and the first screen support device, the second screen support device and the transition plate are all arranged on the side plates of the two box bodies;

one end of the first arc-shaped screen is arranged on the transition plate, and the other end of the first arc-shaped screen is hung on the screen end tensioning and adjusting device at one end of the side plate of the box body;

and one end of the second arc-shaped screen is arranged on the transition plate, and the other end of the second arc-shaped screen is hung on the screen end tensioning and adjusting device at the other end of the side plate of the box body.

Preferably, the first screen supporting device and the second screen supporting device each include a plurality of supporting plates, a plurality of guide plates and two end plates, the supporting plates, the guide plates and the two end plates are fixed on a side plate of the box body, the transition plates are mounted on the side plate of the box body between the two guide plates, and the guide plates connect the supporting plates and the end plates to form an arc-shaped structure.

Preferably, a screen cushion is mounted on the support plate.

Preferably, the support plates include a first support plate, a second support plate, a third support plate and a fourth support plate, the guide plates include a first guide plate, a second guide plate, a third guide plate, a fourth guide plate and a fifth guide plate, the screen cushions include a first screen cushion, a second screen cushion, a third screen cushion and a fourth screen cushion, the first guide plate is arranged along a line connecting direction of the transition plate and the first support plate and the first screen cushion, and the second guide plate is arranged along a line connecting direction of the first support plate and the first screen cushion and the second support plate and the second screen cushion and aligned with the first guide plate; the third guide plate is aligned with the second guide plate along a line connecting the second support plate and the second screen cushion and the third support plate and the third screen cushion, and the fourth guide plate is aligned with the third guide plate along a line connecting the third support plate and the third screen cushion and the fourth support plate and the fourth screen cushion; the fifth guide plate is aligned with the fourth guide plate along a line connecting the fourth support plate and the fourth screen cushion and the screen end tensioning adjustment means adjacent one end of the fifth guide plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an offer the displacement hole along length direction at the box curb plate to install the screen cloth clamp plate and compress tightly through the briquetting in the displacement hole, adjust the position of screen cloth clamp plate in the displacement hole as required in order to realize the tensioning of screen cloth, the regulation mode is simple and reliable, and the regulation efficiency is high, adjusts effective range greatly, and the screen cloth clamp plate is difficult to warp in the horizontal atress, and the screen cloth atress is even, can lengthen screen cloth life; in addition, the screen cloth on each layer adopts the two segmentation structures of camber line shape, has improved the length of shale shaker sifting surface, has increased the effective screening area of screen cloth to the effectual improvement material screening efficiency and the sieve mesh degree of shale shaker.

Drawings

FIG. 1 is a schematic view of the overall structure of the vibrating screen of the present invention (the first and second arcuate screens are omitted);

FIG. 2 is a front view of the present invention (the first and second arcuate screens are omitted);

FIG. 3 is a schematic view of the second screen support apparatus of the present invention in relation to the transition plate and the screen end tensioning adjustment means;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a schematic structural view of a screen end tension adjusting device.

In the figure:

1. the device comprises a box body side plate, 101, a displacement hole, 2, a pressing block, 3, a screen pressing plate, 4, a fixing plate, 5, an adjusting bolt, 6, a supporting plate, 6-1 of a first supporting plate, 6-2 of a second supporting plate, 6-3 of a third supporting plate, 6-4 of a fourth supporting plate, 7, a guiding plate, 7-1 of a first guiding plate, 7-2 of a second guiding plate, 7-3 of a third guiding plate, 7-4 of a fourth guiding plate, 7-5 of a fifth guiding plate, 8 of an end plate, 9, a transition plate, 10 of a screen buffering cushion, 10-1 of a first screen buffering cushion, 10-2 of a second screen buffering cushion, 10-3 of a third screen buffering cushion, 10-4 of a fourth screen buffering cushion, 11 and a screen end tensioning adjusting device.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 60 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Example 1

As shown in fig. 5, the tensioning and adjusting device for the end part of the screen comprises a displacement hole 101 and a screen pressing plate 3, wherein the displacement hole 101 is formed in a side plate 1 of a box body; the screen hold-down plate 3 passes through the displacement holes 101 and is pressed by the press block 2.

In one embodiment, the displacement hole 101 is formed along the length direction of the side plate 1 of the box body, and may be a waist-shaped hole, and the length thereof may be selected according to actual needs.

In one embodiment, the pressing block 2 is pressed by two adjusting bolts 5, and the adjusting bolts 5 are screwed on the pressing block 2 through the fixing plate 4, wherein the fixing plate 4 is bent into a concave shape and fixed on the outer side of the box body side plate 1.

Example 2

In this embodiment, the screen and the screen support means of the vibrating screen may have multiple layers according to the actual production requirements, and the structure of one layer will be described below, and the structure of the other layers is the same.

As shown in fig. 1 to 5, another aspect of the present invention further provides a vibrating screen, which includes the screen end tensioning adjusting device of embodiment 1, wherein the screen end tensioning adjusting device is installed on both sides of both ends of the box side plate 1; the structure and principle are the same as those of embodiment 1, and are not described in detail herein.

In addition, the sieve plate type screen printing device further comprises a screen supporting device, a first arc-shaped screen and a second arc-shaped screen, wherein the screen supporting device comprises a first screen supporting device and a second screen supporting device which are distributed on two sides of the transition plate 9, the first screen supporting device and the second screen supporting device are both arc-shaped structures, and the first screen supporting device, the second screen supporting device and the transition plate 9 are all installed on the two box body side plates 1 through bolts; one end of the first arc-shaped screen is arranged on the transition plate 9, and the other end is hung on the screen end tensioning and adjusting device 11 at one end of the box body side plate 1; one end of the second arc-shaped screen is arranged on the transition plate 9, and the other end is hung on the tensioning adjusting device 11 at the end part of the screen at the other end of the box body side plate 1.

In one embodiment, each of the first screen supporting device and the second screen supporting device comprises a plurality of supporting plates 6, a plurality of guide plates 7 and two end plates 8, wherein both ends of each supporting plate 6 are fixed on the box body side plate 1 through a mounting plate and bolts, and the end plates 8 are provided with 2 groups and are respectively installed at the positions of both ends of the box body side plate 1 through bolts; the transition plate 9 is arranged on the box body side plate 1 between the two guide plates 7 through bolts, the guide plate 7 on the left side of the transition plate 9 is positioned at the bottom of the transition plate 9, and the guide plate 7 on the right side of the transition plate 9 is positioned at the top of the transition plate 9; the support plates 6 and end plates 8 are connected by guide plates 7 to form a screen support device of arcuate configuration.

In one embodiment, a screen cushion 10 is mounted on the support plate 6 to protect the rigid connection of the screen to the support plate 6 and to protect the screen.

As shown in fig. 3 and 4, in the present embodiment, in the first screen supporting device and the second screen supporting device, the supporting plates 6 each have 4 groups of the first supporting plate 6-1, the second supporting plate 6-2, the third supporting plate 6-3 and the fourth supporting plate 6-4, respectively, the guiding plates 7 each have 5 groups of the first guiding plate 7-1, the second guiding plate 7-2, the third guiding plate 7-3, the fourth guiding plate 7-4 and the fifth guiding plate 7-5, respectively, the screen cushions 10 and the supporting plates 6 are the same in number, and each have 4 groups of the first screen cushion 10-1, the second screen cushion 10-2, the third screen cushion 10-3 and the fourth screen cushion 10-4, respectively.

Wherein the first guide plate 7-1 is arranged along the transition plate 9 and the direction of the line connecting the first support plate 6-1 and the first screen cushion 10-1, and the second guide plate 7-2 is arranged along the direction of the line connecting the first support plate 6-1 and the first screen cushion 10-1 and the second support plate 6-2 and the second screen cushion 10-2, and is aligned with the first guide plate 7-1; the third guide plate 7-3 is aligned with the second guide plate 7-2 along the line connecting the second support plate 6-2 and the second screen cushion 10-2 and the third support plate 6-3 and the third screen cushion 10-3, and the fourth guide plate 7-4 is aligned with the third guide plate 7-3 along the line connecting the third support plate 6-3 and the third screen cushion 10-3 and the fourth support plate 6-4 and the fourth screen cushion 10-4; the fifth guide plate 7-5 is aligned with the fourth guide plate 7-4 along the line connecting the fourth support plate 6-4 with the fourth screen cushion 10-4 and the screen end tensioning adjustment means 11.

In addition, for the radian of the arc-shaped structure formed by connecting the supporting plates 6 and the end plate 8 by the guide plates 7, it is required to satisfy that the connecting line between the head end of the front guide plate and the tail end of the rear guide plate is lower by about 12mm than the point where the tail end of the front guide plate is aligned with the head end of the rear guide plate, that is, the connecting line between the head end of the first guide plate 7-1 and the tail end of the second guide plate 7-2 is lower by about 12mm than the point where the tail end of the first guide plate 7-1 is aligned with the head end of the second guide plate 7-2, and similarly, the connecting line between the head end of the second guide plate 7-2 and the tail end of the third guide plate 7-3 is lower by about 12mm than the point where the tail end of the second guide plate 7-2 is aligned with the head end of the third guide plate 7-3, and the connecting line between the head end of the third guide plate 7-3 and the tail end of the fourth guide plate 7-4 is lower by about 12mm than the point About mm, and the connecting line of the head end of the fourth guide plate 7-4 and the tail end of the fifth guide plate 7-5 is about 12mm lower than the point of alignment of the tail end of the fourth guide plate 7-4 and the head end of the fifth guide plate 7-5.

During the use, install the first end of screen cloth on the cab apron 9, the other end hangs on screen cloth clamp plate 3, can be as required, adjusts the position of screen cloth clamp plate 3 in displacement hole 101 to adjust the elasticity through adjusting bolt 5, in order to realize the tensioning of screen cloth and adjust. The adjusting mode is simple and reliable, the adjusting efficiency is high, the adjusting effective range is large, the transverse stress of the screen pressing plate is not easy to deform, the stress of the screen is uniform, and the service life of the screen can be prolonged.

Furthermore, the utility model discloses in, couple together each backup pad 6 and end plate 8 through deflector 7 and form the screen cloth strutting arrangement of arc structure to adopt both ends formula with the screen cloth strutting arrangement radian assorted arc structure's screen cloth, improved the length of shale shaker sifter, increased the effective screening area of screen cloth, thereby the screen mesh degree of effectual improvement material screening efficiency and shale shaker.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (8)

1. A screen end tensioning adjustment device, comprising:

the displacement hole (101), the displacement hole (101) is opened on the side plate (1) of the box body;

the screen pressing plate (3) penetrates through the displacement hole (101) and is pressed tightly through the pressing block (2).

2. The screen end tensioning adjustment arrangement of claim 1, wherein: the displacement holes (101) are formed along the length direction of the side plate (1) of the box body.

3. The screen end tensioning adjustment arrangement of claim 1, wherein: and both sides of the screen pressing plate (3) are tightly pressed through the pressing block (2).

4. The screen end tensioning adjustment arrangement of claim 3, wherein: the pressing block (2) is pressed tightly through an adjusting bolt (5), and the adjusting bolt (5) penetrates through the fixing plate (4) and is screwed on the pressing block (2).

5. A shaker screen, comprising:

the screen end tensioning adjusting device (11) as claimed in claim 1, wherein the screen end tensioning adjusting device (11) is installed at two sides of two ends of the box body side plate (1);

the screen support device comprises a first screen support device and a second screen support device which are distributed on two sides of the transition plate (9) and have arc structures, and the first screen support device, the second screen support device and the transition plate (9) are all arranged on the two box side plates (1);

one end of the first arc-shaped screen is arranged on the transition plate (9), and the other end of the first arc-shaped screen is hung on a screen end tensioning and adjusting device (11) at one end of the box body side plate (1);

one end of the second arc-shaped screen is arranged on the transition plate (9), and the other end of the second arc-shaped screen is hung on the screen end tensioning adjusting device (11) at the other end of the box body side plate (1).

6. The vibratory screen of claim 5, wherein: the first screen mesh supporting device and the second screen mesh supporting device respectively comprise a plurality of supporting plates (6), a plurality of guide plates (7) and two end plates (8) which are fixed on a box body side plate (1), the transition plates (9) are installed on the box body side plate (1) between the two guide plates (7), and the guide plates (7) connect the supporting plates (6) and the end plates (8) to form an arc-shaped structure.

7. The vibratory screen of claim 6, wherein: and a screen cushion pad (10) is arranged on the supporting plate (6).

8. The vibratory screen of claim 7, wherein: the support plate (6) comprises a first support plate (6-1), a second support plate (6-2), a third support plate (6-3) and a fourth support plate (6-4), the guide plate (7) comprises a first guide plate (7-1), a second guide plate (7-2), a third guide plate (7-3), a fourth guide plate (7-4) and a fifth guide plate (7-5), the screen cushion (10) comprises a first screen cushion (10-1), a second screen cushion (10-2), a third screen cushion (10-3) and a fourth screen cushion (10-4), the first guide plate (7-1) is arranged along the connecting line direction of the transition plate (9) and the first support plate (6-1) and the first screen cushion (10-1), the second guide plate (7-2) is aligned with the first guide plate (7-1) along the connecting line of the first support plate (6-1) and the first screen cushion (10-1) and the second support plate (6-2) and the second screen cushion (10-2); the third guide plate (7-3) is aligned with the second guide plate (7-2) along the direction of the line connecting the second support plate (6-2) and the second screen cushion (10-2) and the third support plate (6-3) and the third screen cushion (10-3), and the fourth guide plate (7-4) is aligned with the third guide plate (7-3) along the direction of the line connecting the third support plate (6-3) and the third screen cushion (10-3) and the fourth support plate (6-4) and the fourth screen cushion (10-4); the fifth guide plate (7-5) is aligned with the fourth guide plate (7-4) along the line connecting the fourth support plate (6-4) with the fourth screen cushion (10-4) and the screen end tension adjusting means (11) near one end of the fifth guide plate (7-5).

Images