CN219923679U - Separation sieve - Google Patents

Abstract

The utility model discloses a sorting screen, which comprises a frame body, a fixing piece, a screen, a limiting structure and an adjusting piece, wherein the frame body is provided with a mounting groove, the bottom wall of the mounting groove is provided with a first avoiding hole penetrating through the frame body, the fixing piece is accommodated in the mounting groove and is connected with the frame body, the fixing piece is provided with a second avoiding hole penetrating through the fixing piece, the first avoiding hole is communicated with the second avoiding hole to form a avoiding channel, the screen is clamped between the fixing piece of the frame body and the bottom wall of the mounting groove, the screen is covered on the first avoiding hole, the screen is used for screening sand and stones, the limiting structure is arranged between the frame body and the fixing piece, the limiting structure is used for limiting the fixing piece to move along the direction of exiting the mounting groove, the adjusting piece is movably arranged on the frame body, and the adjusting piece is used for adjusting the connection or disconnection of the limiting structure.

Description

Separation sieve

Technical Field

The utility model relates to the technical field of sand and stone screening, in particular to a separation screen.

Background

The screen mesh of the existing separation screen is generally fixed on the frame body in a bolt-punching mode. When the screen cloth is damaged and needs to be replaced, the damaged screen cloth can be taken down only by frequently unscrewing the bolts, and the operation is complex, so that the screen cloth is inconvenient to replace.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the separation sieve which can be convenient for replacing the sieve.

According to the embodiment of the utility model, the separation sieve comprises a frame body, a fixing piece, a screen, a limiting structure and an adjusting piece, wherein the frame body is provided with a mounting groove, a first avoidance hole penetrating through the frame body is formed in the bottom wall of the mounting groove, the fixing piece is accommodated in the mounting groove and is connected with the frame body, a second avoidance hole penetrating through the fixing piece is formed in the fixing piece, the first avoidance hole is communicated with the second avoidance hole to form a avoidance channel, the screen is clamped between the fixing piece of the frame body and the bottom wall of the mounting groove, the screen is covered on the first avoidance hole, the screen is used for screening sand and stone, the limiting structure is arranged between the frame body and the fixing piece, the limiting structure is used for limiting the fixing piece to move in the direction of exiting the mounting groove, and the adjusting piece is movably arranged on the frame body and is used for adjusting connection or disconnection of the limiting structure.

The separation sieve according to the embodiment of the utility model has at least the following beneficial effects:

when changing the screen cloth, maintenance personal can remove the regulating part for limit structure disconnection can loosen the mounting promptly, and the mounting can be followed the mounting groove and taken out, takes out the screen cloth again, and places new screen cloth in the mounting groove again, then installs the mounting again in the mounting groove, and the opposite direction removes the regulating part for limit structure connects, removes along the direction that withdraws from the mounting groove with the restriction mounting, can accomplish the change of screen cloth, easy operation can be convenient for change the screen cloth.

According to some embodiments of the utility model, the limiting structure comprises a limiting part and a limiting hole arranged on the fixing part, the limiting part is movably arranged on the frame body, the limiting part is provided with a limiting part, and the limiting part can be inserted into the limiting hole and is abutted against the side wall of the limiting hole.

According to some embodiments of the utility model, a linkage structure is arranged between the adjusting piece and the limiting piece, and the adjusting piece drives the limiting part to enter or exit the limiting hole through the linkage structure.

According to some embodiments of the utility model, the linkage structure comprises a first linkage part arranged on the adjusting piece and a second linkage part arranged on the limiting piece, wherein the linkage part is provided with a first inclined plane, the second linkage part is provided with a second inclined plane, and the first inclined plane is in contact with the second inclined plane.

According to some embodiments of the utility model, a reset element is arranged between the limiting element and the frame body.

According to some embodiments of the utility model, the frame is provided with a first guide groove, and opposite sides of the limiting piece are connected with opposite sides of the first guide groove.

According to some embodiments of the utility model, the frame is provided with a second guide groove communicating with the first guide groove, and opposite sides of the adjusting member are connected with opposite sides of the second guide groove.

According to some embodiments of the utility model, the guide rail further comprises a cover plate, the cover plate covers the first guide groove and the second guide groove, a third avoidance hole is formed in the cover plate, the adjusting piece is connected with a pulling piece, and the pulling piece is accommodated in the third avoidance hole.

According to some embodiments of the utility model, the adjustment member is of unitary construction with the pull member.

According to some embodiments of the utility model, the cover is detachably connected to the frame.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a screen according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a screen according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing the internal structure of a classifying screen according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a schematic view of an adjusting member according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a limiting member according to an embodiment of the present utility model.

Reference numerals:

the frame body 100, the mounting groove 110, the first escape hole 120, the first guide groove 130, the second guide groove 140, the fixing member 200, the second escape hole 210, the limiting hole 220, the screen 300, the adjusting member 400, the first linking portion 410, the first inclined surface 411, the limiting member 500, the limiting portion 510, the second linking portion 520, the second inclined surface 521, the resetting member 600, the cover plate 700, the third escape hole 710, and the pulling member 800.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, according to an embodiment of the present utility model, the classifying screen includes a frame 100, a fixing member 200, a screen 300, a limiting structure and an adjusting member 400, the frame 100 is provided with a mounting groove 110, a bottom wall of the mounting groove 110 is provided with a first avoiding hole 120 penetrating the frame 100, the fixing member 200 is accommodated in the mounting groove 110 and connected with the frame 100, the fixing member 200 is provided with a second avoiding hole 210 penetrating the fixing member 200, the first avoiding hole 120 is communicated with the second avoiding hole 210 to form a avoiding channel, the screen 300 is clamped between the fixing member 200 of the frame 100 and the bottom wall of the mounting groove 110, the screen 300 is covered on the first avoiding hole 120, the screen 300 is used for screening sand, the limiting structure is arranged between the frame 100 and the fixing member 200, the limiting structure is used for limiting the fixing member 200 to move in a direction exiting the mounting groove 110, the adjusting member 400 is movably arranged on the frame 100, and the adjusting member 400 is used for adjusting the limiting structure to connect or disconnect, so that a maintainer can conveniently install and detach the fixing member 200 by moving the adjusting member 400, thereby facilitating replacement of the screen 300.

Specifically, when the screen 300 is replaced, the maintenance personnel can move the adjusting member 400, so that the limiting structure is disconnected, namely, the fixing member 200 can be loosened, the fixing member 200 can be taken out from the installation groove 110, the screen 300 is taken out again, a new screen 300 is placed in the installation groove 110 again, then the fixing member 200 is installed in the installation groove 110 again, the adjusting member 400 is moved in the opposite direction, so that the limiting structure is connected, the fixing member 200 is limited to move along the direction of exiting the installation groove 110, the replacement of the screen 300 can be completed, the operation is simple, and the screen 300 can be replaced conveniently.

Referring to fig. 2, 4 and 6, in some embodiments of the present utility model, the limiting structure includes a limiting member 500 and a limiting hole 220 provided in the fixing member 200, the limiting member 500 is movably provided in the frame 100, the limiting member 500 is provided with a limiting portion 510, and the limiting portion 510 can be inserted into the limiting hole 220 and abut against a side wall of the limiting hole 220, so that the fixing member 200 can be conveniently mounted and dismounted.

Specifically, when the limiting structure at one end of the limiting member 500 is released, the limiting portion 510 exits the limiting hole 220, and when the limiting structure is connected, the limiting portion 510 is inserted into the limiting hole 220 and is abutted with the side wall of the limiting hole 220, so that the fixing member 200 is limited to move along the direction of exiting the mounting groove 110, and the limiting structure is simple and can be convenient for mounting and dismounting the fixing member 200.

It should be noted that, the positions of the limiting portion 510 and the limiting hole 220 may also be interchanged, that is, the limiting hole 220 is disposed on the limiting member 500, and the limiting portion 510 is disposed on the fixing member 200, which is not limited herein.

It should be noted that the limiting hole 220 may be replaced by a limiting slot, which can limit the movement of the fixing member 200 in the direction of exiting the mounting slot 110, which is not limited herein.

Referring to fig. 5 and 6, in some embodiments of the present utility model, a linkage structure is provided between the adjusting member 400 and the limiting member 500, and the adjusting member 400 drives the limiting portion 510 to enter or exit the limiting hole 220 through the linkage structure, so that the connection or disconnection of the limiting structure can be conveniently adjusted.

Referring to fig. 5 and 6, in some embodiments of the present utility model, the linkage structure includes a first linkage part 410 provided to the adjusting member 400 and a second linkage part 520 provided to the limiting member 500, the linkage part being provided with a first inclined surface 411, the second linkage part 520 being provided with a second inclined surface 521, the first inclined surface 411 being in contact with the second inclined surface 521, so that the fixing member 200 can be easily installed.

Specifically, the limiting member 500 is orthogonal to the moving direction of the adjusting member 400, when the adjusting member 400 adjusts the limiting portion 510 to enter the limiting hole 220, the first inclined surface 411 contacts with the second inclined surface 521, and the contact area between the first inclined surface 411 and the second inclined surface 521 gradually increases, and the first inclined surface 411 applies a pushing force to act on the second inclined surface 521, so as to push the limiting portion 510 to enter the limiting hole 220, which can facilitate the installation of the fixing member 200.

It should be noted that the first inclined surface 411 and the second inclined surface 521 may be replaced by an arc surface structure, which is not limited herein.

Of course, in some embodiments, the linkage structure may also be a structure in which a cam is engaged with the second linkage part 520, the cam is rotationally connected with the frame 100, and an eccentric part of the cam abuts against the second linkage part 520, so as to push the limiting part 510 to move along a direction of entering the limiting hole 220, which is not limited herein.

Referring to fig. 3 and 4, in some embodiments of the present utility model, the frame 100 is provided with the first guide groove 130, and opposite sides of the limiting member 500 are connected to opposite sides of the first guide groove 130, so that the limiting member 500 can be guided, so that the limiting member 500 moves along a preset direction, and the limiting portion 510 can be accurately inserted into the limiting hole 220.

It should be noted that, the frame 100 and the limiting member 500 may further guide the limiting member 500 by means of a manner in which the guide post is matched with the waist-shaped hole, the guide post is disposed in the frame 100, the waist-shaped hole is disposed in the limiting member 500, the guide post is disposed in the waist-shaped hole and is connected with the side wall of the waist-shaped hole, and the limiting member 500 may also be guided, which is not limited herein.

Referring to fig. 3 and 4, in some embodiments of the present utility model, the frame 100 is provided with the second guide groove 140 communicating with the first guide groove 130, opposite sides of the adjustment member 400 are connected to opposite sides of the second guide groove 140, and the adjustment member 400 can be guided to move in a predetermined direction such that the first inclined surface 411 can be stably contacted with the second inclined surface 521.

The adjusting member 400 may be further guided between the frame 100 and the adjusting member 400 by a manner that the guiding pin is matched with the bar-shaped hole, the guiding pin is disposed in the frame 100, the bar-shaped hole is disposed in the adjusting member 400, the guiding pin is accommodated in the bar-shaped hole and is connected with a side wall of the bar-shaped hole, and the adjusting member 400 may also be guided, which is not limited herein.

Referring to fig. 1 and 3, in some embodiments of the present utility model, the device further includes a cover plate 700, the cover plate 700 covers the first guide groove 130 and the second guide groove 140, the cover plate 700 is provided with a third avoidance hole 710, the adjusting member 400 is connected with a pulling member 800, and the pulling member 800 is accommodated in the third avoidance hole 710, so that a maintenance person can conveniently pull the adjusting member 400 to adjust connection or disconnection of the limiting structure.

Specifically, by setting the cover plate 700, the cover plate 700 is connected with the surfaces of the adjusting member 400 and the limiting member 500, so that the adjusting member 400 can be limited to withdraw from the second guide groove 140 and the limiting member 500 can be limited to withdraw from the first guide groove 130, and by setting the third avoiding hole 710, the pulling member 800 is accommodated in the third avoiding hole 710, so that maintenance personnel can conveniently hold the pulling member 800 to drive the adjusting member 400 to move, and the limiting structure is convenient to connect or disconnect.

It will be appreciated that the cover plate 700 can also prevent sand from entering the first guide slot 130 and the second guide slot 140, so as to prevent sand from entering the first guide slot 130 and the second guide slot 140, which would result in the condition that the adjusting member 400 and the limiting member 500 cannot move, and improve the reliability of use of the classifying screen.

Referring to fig. 5, in some embodiments of the present utility model, the adjusting member 400 and the pulling member 800 are integrally formed, which can reduce the number of molds, thereby reducing the manufacturing cost of the molds and reducing the manufacturing cost of the classifying screen.

In some embodiments of the present utility model, the cover 700 is detachably connected to the frame 100, and the cover is connected to the frame 100 by fasteners, so that the cover 700 can be conveniently installed and removed, thereby facilitating maintenance of the screen and reducing maintenance cost of the screen.

The fastening member is not limited to a structure such as a bolt or a screw.

Of course, in some embodiments, the cover 700 and the frame 100 may be detachably connected by a fastening structure, which is not described in detail herein.

Referring to fig. 2, in some embodiments of the present utility model, a reset element 600 is disposed between the limiting element 500 and the frame 100, the reset element 600 is sleeved on the limiting portion 510, one end of the reset element 600 is connected with the frame 100, and the other end is connected with the limiting element 500, so that the limiting portion 510 can automatically push out the limiting hole 220, and the fixing element 200 can be conveniently detached.

The return member 600 is configured to be elastically deformable in the axial direction, such as a compression spring or a rubber member, and is not limited thereto.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The present embodiment has been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit.

Claims (10)

1. A screen, comprising:

a frame body (100) provided with an installation groove (110), wherein a first avoidance hole (120) penetrating through the frame body (100) is formed in the bottom wall of the installation groove (110);

the fixing piece (200) is accommodated in the mounting groove (110) and is connected with the frame body (100), the fixing piece (200) is provided with a second avoidance hole (210) penetrating through the fixing piece (200), and the first avoidance hole (120) is communicated with the second avoidance hole (210) to form a avoidance channel;

the screen (300) is clamped between the frame body (100) fixing piece (200) and the bottom wall of the mounting groove (110), the screen (300) is covered on the first avoiding hole (120), and the screen (300) is used for screening sand and stones;

the limiting structure is arranged between the frame body (100) and the fixing piece (200) and is used for limiting the fixing piece (200) to move along the direction of exiting the mounting groove (110);

the adjusting piece (400) is movably arranged on the frame body (100), and the adjusting piece (400) is used for adjusting the limiting structure to be connected or disconnected.

2. The classifying screen according to claim 1, wherein the limiting structure comprises a limiting member (500) and a limiting hole (220) formed in the fixing member (200), the limiting member (500) is movably arranged in the frame body (100), the limiting member (500) is provided with a limiting portion (510), and the limiting portion (510) can be inserted into the limiting hole (220) and abutted against the side wall of the limiting hole (220).

3. The classifying screen according to claim 2, wherein a linkage structure is provided between the regulating member (400) and the limiting member (500), and the regulating member (400) drives the limiting portion (510) to enter or exit the limiting hole (220) through the linkage structure.

4. A screen according to claim 3, wherein the linkage comprises a first linkage part (410) provided to the adjustment member (400) and a second linkage part (520) provided to the limiting member (500), the linkage part being provided with a first inclined surface (411), the second linkage part (520) being provided with a second inclined surface (521), the first inclined surface (411) being in contact with the second inclined surface (521).

5. The classifying screen according to claim 2, wherein a reset member (600) is provided between the limiting member (500) and the frame body (100).

6. A screen according to claim 2, wherein the frame (100) is provided with a first guide slot (130), opposite sides of the stop (500) being connected to opposite sides of the first guide slot (130).

7. The screen according to claim 6, wherein the frame (100) is provided with a second guide slot (140) communicating with the first guide slot (130), opposite sides of the adjustment member (400) being connected to opposite sides of the second guide slot (140).

8. The screen of claim 7, further comprising a cover plate (700), wherein the cover plate (700) covers the first guide slot (130) and the second guide slot (140), wherein the cover plate (700) is provided with a third relief hole (710), wherein the adjusting member (400) is connected with a pulling member (800), and wherein the pulling member (800) is accommodated in the third relief hole (710).

9. The screen of claim 8, wherein the adjustment member (400) is of unitary construction with the pull member (800).

10. The screen of claim 8, wherein the cover plate (700) is detachably connected to the frame (100).