CN214021897U

CN214021897U - Relaxation sieve

Info

Publication number: CN214021897U
Application number: CN202022893961.3U
Authority: CN
Inventors: 何清; 闫红新; 王勇; 潘正云; 杨文生; 李晨
Original assignee: Hefei Design And Research Institute Of Coal Industry LLC
Current assignee: Hefei Design And Research Institute Of Coal Industry LLC
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-24
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to the technical field of processing equipment in the coal industry, in particular to a relaxation sieve, which comprises a main body frame, a vibrating frame, an elastic screen and a vibrating component; the main body frame comprises two side plates and a plurality of fixed cross beams, and the fixed cross beams are arranged between the two side plates at intervals; the vibrating frame comprises a plurality of vibrating beams, the vibrating beams are arranged between the two side plates, and the vibrating beams and the fixed beams are arranged in a staggered mode; the elastic screen is fixed on the upper sides of the vibrating beam and the fixed beam; the vibrating assembly is arranged on the side plate and used for driving the vibrating beam to reciprocate in the direction perpendicular to the elastic screen. The utility model has the advantages of improve and divide the sieve quality and divide sieve efficiency.

Description

Relaxation sieve

Technical Field

The utility model relates to a technical field of coal industry processing equipment particularly, relates to a relaxation sieve.

Background

The relaxation sieve is used as a sieving apparatus and is widely applied to industries such as coal, mines, building materials, chemical industry, electric power and the like. Traditional relaxation sieve is when dividing the sieve, if the humidity and the viscidity of material are great, tiny granule mutual adhesion or with great granule adhesion easily, relaxation sieve when dividing sieve class material, more tiny granule is difficult for falling from the screen cloth, and the material adheres easily in the mesh of screen cloth, influences and divides the sieve quality and divides the sieve inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be, how to make the difficult adhesion of material on the elasticity screen cloth, and improve and divide sieve quality and efficiency.

In order to solve the problems, the utility model provides a relaxation sieve, which comprises a main body frame, a vibrating frame, an elastic screen and a vibrating component;

the main body frame comprises two side plates and a plurality of fixed cross beams, and the fixed cross beams are arranged between the two side plates at intervals;

the vibration frame comprises a plurality of vibration beams, the vibration beams are arranged between the two side plates, and the vibration beams and the fixed beams are arranged in a staggered mode;

the elastic screen is fixed on the upper sides of the vibrating beam and the fixed beam;

the vibration assembly is arranged on the side plate and used for driving the vibration beam to reciprocate along the direction vertical to the elastic screen.

Optionally, a plurality of sliding grooves are formed in the side plate, the length direction of each sliding groove is perpendicular to the plane of the elastic screen, and the end of the vibrating beam is slidably disposed in the sliding groove.

Optionally, the vibration frame further comprises a connecting rod, the end portions of the vibration beams are fixed to the connecting rod, and the connecting rod is located on the outer side of the side plate.

Optionally, the vibration subassembly includes cam and driving piece, the cam rotates to be installed on the curb plate, the axis of rotation of cam with the place plane parallel arrangement of elastic screen cloth, week side of cam with one side of connecting rod is contradicted, the driving piece with cam drive is connected so that elastic screen cloth vibrates.

Optionally, still include return assembly, return assembly includes return plate and elastic component, the return plate is fixed on the curb plate, just the return plate is located the connecting rod deviates from one side of cam, the elastic component is fixed the return plate with between the connecting rod.

Optionally, the elastic member includes a spring, and two ends of the spring are respectively connected to the connecting rod and the return plate.

Optionally, the upper side of the elastic screen is provided with a plurality of dispersion rods perpendicular to the elastic screen.

Optionally, the device further comprises a movable sleeve, and the movable sleeve is rotatably sleeved on the dispersion rod.

Optionally, the main body frame further comprises a shielding plate, the shielding plate is arranged above the elastic screen, and the shielding plate is fixed to the side plate.

Optionally, still include supporting component, supporting component includes a plurality of tie-beams and a plurality of supporting leg, and is a plurality of the tie-beam all wears to locate two the curb plate, every the both ends of tie-beam all are connected with the supporting leg.

For the correlation technique, the beneficial effects of the utility model are that: when dividing the sieve, the direction reciprocating motion of vibration crossbeam perpendicular to elastic screen cloth is driven to the vibration subassembly, and elastic screen cloth is out of shape under vibration crossbeam's drive, and the material that is located on the elastic screen cloth is beated from top to bottom along with elastic screen cloth's vibration, and the material is easily dispersed, therefore the difficult adhesion of material is on elastic screen cloth, and elastic screen cloth's mesh is difficult for blockking up, has improved and has divided the sieve effect and divided sieve efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of a relaxation sieve in the embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a relaxation sieve in an embodiment of the present invention;

fig. 3 is a schematic structural view of another view angle of the relaxation sieve in the embodiment of the present invention;

fig. 4 is a side view of a relaxation screen in an embodiment of the invention;

fig. 5 is a schematic view of a partial structure of a relaxation screen in an embodiment of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

Description of reference numerals:

1-main body frame, 101-side plate, 1011-sliding groove, 102-fixed beam and 103-shielding plate; 2-vibrating frame, 201-vibrating beam, 202-connecting rod; 3-an elastic screen; 4-vibration component, 401-cam, 402-driving motor; 5-return component, 501-return plate, 502-spring; 6-support component, 601-support leg, 602-connecting beam; 7-a dispersing rod, 701-a movable sleeve; and 8, a material guide plate.

Detailed Description

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

In the description of the present invention, it is to be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents forward, and correspondingly, the reverse direction of "Y" represents rearward; the forward direction of "Z" represents the upward direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the terms "X", "Y", "Z", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate terms of orientation, and are only used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must be operated according to specific orientations and defined operations and methods, configurations, and such terms of orientation do not constitute limitations of the present invention.

In order to solve the above problems, an embodiment of the present invention provides a relaxation sieve, which includes a main body frame 1, a vibrating frame 2, an elastic screen 3 and a vibrating assembly 4;

the main body frame 1 comprises two side plates 101 and a plurality of fixed cross beams 102, wherein the fixed cross beams 102 are arranged between the two side plates 101 at intervals;

the vibration frame 2 comprises a plurality of vibration beams 201, the vibration beams 201 are arranged between the two side plates 101, and the vibration beams 201 and the fixed beams 102 are arranged in a staggered manner;

the elastic screen 3 is fixed on the upper sides of the vibrating beam 201 and the fixed beam 102;

the vibration assembly 4 is provided on the side plate 101 and serves to drive the vibration beam 201 to reciprocate in a direction perpendicular to the elastic screen 3.

Referring to fig. 1-3, therein, a relaxation screen includes a main body frame 1, a vibration frame 2, an elastic screen 3, and a vibration assembly 4. Main part frame 1 includes two curb plates 101 and many fixed cross beams 102, and two curb plates 101 are just to setting up, and many fixed cross beams 102 all set up between two curb plates 101, and fixed cross beam 102 perpendicular to curb plate 101 sets up and tip welded fastening is on curb plate 101. The fixed beams 102 are in the same plane and are evenly spaced. The cross section of the fixed beam 102 can be arranged in a circle or a square, and the cross section of the fixed beam 102 is arranged in a rectangle in the embodiment.

Referring to fig. 1 to 3, the vibration frame 2 includes a plurality of vibration beams 201, and the plurality of vibration beams 201 have a length direction identical to a length direction of the fixed beam 102 and are also located between the two side plates 101. The upper sides of the plurality of vibration beams 201 are all in the same plane and flush with the upper side of the fixed beam 102. The vibrating beam 201 and the fixed beam 102 are arranged in a staggered manner, and the distance between the fixed beam 102 and the vibrating beam 201 is uniform, in other embodiments, the distance between the vibrating beam 201 and the fixed beam 102 may also be non-uniform. The cross section of the vibration beam 201 can be arranged in a circle or a square, and the cross section of the vibration beam 201 in this embodiment is arranged in a rectangle. With the arrangement of the vibrating beam 201 and the fixed beam 102, the beams at the material feeding end and the material discharging end are both the fixed beam 102.

Referring to fig. 1 to 3, the elastic screen 3 is a polyurethane elastic screen, which deforms when stressed and is restored to its original shape by its own elasticity after the stress is released, and is not easily damaged. Elastic screen 3 lays in the upside of vibration crossbeam 201 and fixed crossbeam 102, and elastic screen 3 all fixes the setting with a plurality of fixed crossbeams 102 and a plurality of vibration crossbeam 201. Wherein, the elastic screen 3 is fixed on the fixed beam 102 or the vibrating beam 201 by bolts or rivets or bonded, in this embodiment, the elastic screen 3 is preferably fixed by bolts, so as to facilitate the replacement of the elastic screen 3.

Referring to fig. 1 to 3, a vibration assembly 4 is provided on the side plate 101 for driving a plurality of vibration beams 201 to reciprocate perpendicular to the direction of the elastic screen 3. The vibration assembly 4 may be a cylinder or cam 401 mechanism or other reciprocating mechanism. The vibrating component 4 drives the vibrating beam 201 to reciprocate so as to drive the elastic screen 3 to deform.

So arranged, when screening, the material is poured to the upper side of the elastic screen 3. The vibration component 4 drives the plurality of vibration beams 201 to reciprocate in the direction perpendicular to the elastic screen 3, at the moment, the elastic screen 3 deforms under the stretching of the vibration beams 201, and the deformed elastic screen 3 is arranged in a wave shape. Wherein because vibration crossbeam 201 and fixed beam 102 interval distribution, thereby along with the motion of vibration crossbeam 201, whole elastic screen 3 is all driven and warp, elastic screen 3 is driven and is wavy vibration, therefore the material that is in the elastic screen 3 upside is easily bounce, when the material that bounces falls on elastic screen 3, the material that the adhesion is in the same place is hit and is dispersed, the material after hitting and dispersing easily falls down from elastic screen 3's mesh, simultaneously along with elastic screen 3's vibration, the material of adhesion in elastic screen 3 mesh is shaken from elastic screen 3, with this elastic screen 3's mesh is difficult for blockking up, made things convenient for the material to be sieved, the quality of sieving and the efficiency of sieving are improved.

Referring to fig. 1 and 2, optionally, the support assembly 6 is further included, the support assembly 6 includes a plurality of connection beams 602 and a plurality of support legs 601, the plurality of connection beams 602 are respectively disposed through the two side plates 101, and the support legs 601 are respectively connected to two ends of each connection beam 602.

Wherein the support assembly 6 raises the resilient screen 3 a distance from the ground. The supporting assembly 6 comprises a plurality of connecting beams 602 and a plurality of supporting legs 601, wherein the connecting beams 602 are vertically fixed to penetrate through the two side plates 101 and are close to the upper sides of the side plates 101. The connecting beam 602 and the side plate 101 are fixed by bolts or welding, preferably by welding. In this embodiment, three connecting beams 602 are preferably provided, and the three connecting beams 602 are uniformly distributed at intervals. Vertical supporting legs 601 are fixed at two ends of each connecting beam 602, the supporting legs 601 on different connecting beams 602 are different in length, and the length of each supporting leg 601 is gradually shortened along the feeding direction of the elastic screen 3. In other embodiments, the length directions of the support legs 601 are the same.

Referring to fig. 1 and 2, material guide plates 8 are respectively arranged at the feeding end and the discharging end of the elastic screen 3, and two ends of each material guide plate 8 are respectively welded and fixed at one side opposite to the two side plates 101. The upper side of the guide plate 8 is flush with the upper side of the elastic screen 3. The materials can conveniently slide to the elastic screen 3 through the material guide plate 8, and the materials on the elastic screen 3 can conveniently slide down through the material guide plate 8.

Set up like this, the tie-beam 602 is connected two curb plates 101 for the wholeness between two curb plates 101 is better, has improved main body frame 1's stability. Supporting leg 601 supports main body frame 1, has raised the height on elastic screen 3 apart from ground, makes things convenient for the material to fall from elastic screen 3, and the material that falls from elastic screen 3 is difficult for influencing subsequent material and falls. Further, supporting leg 601 is along with walking the material direction, and length reduces gradually for elastic screen 3 slope sets up, when dividing the sieve, and the material gets into from the higher one end of elastic screen 3, and along with the action of gravity, the material rolls on elastic screen 3 gradually, and the whole elastic screen 3 is paved to the material of being convenient for, has made things convenient for the bold material to roll off from elastic screen 3, and has improved the utilization ratio of elastic screen 3's mesh.

Alternatively, the side plate 101 is provided with a plurality of sliding grooves 1011, the length direction of the sliding grooves 1011 is perpendicular to the plane of the elastic screen 3, and the end of the vibrating beam 201 is slidably disposed in the sliding grooves 1011.

Referring to fig. 2 to 4, a plurality of sliding grooves 1011 are formed on the side plate 101, and the number of the sliding grooves 1011 is greater than that of the vibrating beams 201 or is set corresponding to that of the vibrating beams 201. The end of the vibrating beam 201 is slidably disposed in the sliding slot 1011, and two opposite sides of the vibrating beam 201 respectively abut against two opposite slot walls of the sliding slot 1011. The end of the vibration beam 201 extends to the outside of the side plate 101 through the sliding groove 1011.

Set up like this, when vibration subassembly 4 drove vibration crossbeam 201 reciprocating motion, the tip of vibration crossbeam 201 slided in sliding tray 1011 this moment, and sliding tray 1011 has restricted vibration crossbeam 201's direction of motion, and vibration crossbeam 201 is consequently difficult for the skew, makes things convenient for vibration crossbeam 201 to stabilize and drives the vibration of elastic screen cloth 3. Meanwhile, the sliding groove 1011 facilitates the vibration beam 201 to pass from the inside of the side plate 101 to the outside of the side plate 101.

Optionally, the vibration frame 2 further includes a connecting rod 202, ends of the plurality of vibration beams 201 are fixed to the connecting rod 202, and the connecting rod 202 is located outside the side plate 101.

Referring to fig. 1 to 3, the vibration frame 2 further includes two connection rods 202, preferably, two connection rods 202 are provided, the two connection rods 202 are respectively provided at two ends of the vibration beam 201, the two ends of the vibration beam 201 respectively penetrate through the two side plates 101, and the connection rods 202 are located at outer sides of the side plates 101. The length direction of the connecting rod 202 is perpendicular to the length direction of the vibrating beams 201, and the vibrating beams 201 are all fixed with the connecting rod 202, so that the connecting rod 202 connects the vibrating beams 201. The connecting rod 202 and the vibrating beam 201 are fixed by inserting, or bolt, or welding, in this embodiment, the connecting rod 202 and the vibrating beam 201 are preferably fixed by welding.

Thus, the connecting rod 202 connects the ends of the vibrating beams 201, so that the vibrating beams 201 form a whole, and the subsequent driving of the vibrating beams 201 can vibrate simultaneously.

Referring to fig. 1 to 3, alternatively, the vibration assembly 4 includes a cam 401, the cam 401 being rotatably mounted on the side plate 101, a rotation axis of the cam 401 being disposed parallel to a plane in which the elastic screen 3 is located, a circumferential side of the cam 401 abutting against one side of the connecting rod 202, and a driving member drivingly coupled to the cam 401 to vibrate the elastic screen 3.

Wherein, vibration subassembly 4 can be equipped with the multiunit, and vibration subassembly 4 is used for driving connecting rod 202 along the direction reciprocating motion of perpendicular elastic screen cloth 3. In this embodiment, two sets of vibration assemblies 4 are provided, and the two sets of vibration assemblies 4 are respectively located at two ends of the connecting rod 202. The vibration assemblies 4 comprise cams 401 and driving members, in the embodiment, two cams 401 are arranged in each vibration assembly 4, and the two cams 401 are respectively rotatably mounted on the outer sides of the two side plates 101. The circumferential side of the cam 401 abuts against the upper side of the connecting rod 202.

Referring to fig. 1 to 3, the driving member includes a driving motor 402 and a driving shaft rotatably installed between the two side plates 101, and two cams 401 are coaxially fixed at both ends of the driving shaft, respectively. The driving motor 402 is coaxially fixed with the driving shaft, and the driving motor 402 is supported by a motor base, the bottom end of which is supported on the ground. Thus, as the driving motor 402 rotates the cam 401, the cam 401 pushes the connecting elastic screen 3 to vibrate the elastic screen 3.

Thus, when the screen is screened, the driving motor 402 drives the driving shaft to drive the cam 401 to rotate, and when the cam 401 does not push the connecting rod 202, the elastic screen 3 is in a normal flat state. As the cam 401 rotates to push the connecting rod 202, the connecting rod 202 moves downward, and the vibrating beam 201 descends to pull the elastic screen 3 to deform downward, so that the elastic screen 3 is wavy. Along with cam 401's further rotation, under the effect of elastic force of elastic screen cloth 3 self for connecting rod 202 lasts and contradicts with cam 401's week side, and makes things convenient for elastic screen cloth 3's process of replying, rotates the round as cam 401, and elastic screen cloth 3 is successively by tensile deformation down then reply gradually to initial condition, and elastic screen cloth 3 accomplishes a vibration process. Wherein, the cams 401 in two sets of vibration subassemblies 4 rotate synchronously to this makes things convenient for the cams 401 of two sets of vibration subassemblies 4 to drive the motion of connecting rod 202 in step, makes the connecting rod 202 motion more stable.

Optionally, the device further comprises a return assembly 5, the return assembly 5 comprises a return plate 501 and an elastic member, the return plate 501 is fixed on the side plate 101, the return plate 501 is located on the side, away from the cam 401, of the connecting rod 202, and the elastic member is fixed between the return plate 501 and the connecting rod 202.

Referring to fig. 1 to 4, a return assembly 5 is further included, and the return assembly 5 is used for maintaining the connecting rod 202 continuously abutting against the peripheral side of the cam 401, so as to assist the elastic screen 3 to return to the initial state. In this embodiment, the two sets of return assemblies 5 are provided, and the two sets of return assemblies 5 are provided on one side of the two side plates 101 deviating from each other. The return assembly 5 comprises a return plate 501 and an elastic piece, and the return plate 501 is welded and fixed on the outer side of the side plate 101. The length direction of the return plate 501 is the same as the length direction of the connecting rod 202, and the return plate 501 is arranged opposite to the lower side of the connecting rod 202. The elastic component is arranged between the connecting rod 202 and the return plate 501, one end of the elastic component is connected with the connecting rod 202, and the other end of the elastic component is connected with the return plate 501. The elastic member comprises a rubber block or an elastic sheet or a spring 502 or any combination thereof. When the connecting rod 202 is pushed by the cam 401, the elastic member is compressed, the elastic member stores force, and when the elastic screen 3 returns to the original state, the elastic force of the elastic member assists in pushing the connecting rod 202 and the vibrating beam 201 to slide upwards to assist the elastic screen 3 to return.

In other embodiments, the return plate 501 may be disposed above the connecting rod 202 and opposite to the upper side of the connecting rod 202, and when the cam 401 pushes the connecting rod 202 to slide downwards, the elastic member is stretched and accumulated.

Set up like this, elastic screen 3 is driven and the back of deformation, along with cam 401's rotation, elastic screen 3 resumes to the in-process of its original condition, and the elasticity that the elastic component was saved drives connecting rod 202 and slides upward this moment, and makes connecting rod 202 continuously contradict in cam 401's week side. Meanwhile, the connecting rods 202 and the vibrating beam 201 are not only acted by the elastic force of the elastic screen 3 itself, but also acted by the elastic force from the elastic member, assisting the elastic screen 3 to return to the initial state, thereby facilitating the maintenance of the normal use of the elastic screen 3.

Optionally, the elastic member comprises a spring 502, and both ends of the spring 502 are respectively connected with the connecting rod 202 and the return plate 501.

Referring to fig. 1-4, wherein the resilient member comprises a spring 502, the axis of the spring 502 is disposed perpendicular to the return plate 501. The bottom end of the spring 502 is fixed on the upper side of the return plate 501, and the top end of the spring 502 is fixed on the lower side of the connecting rod 202. When the elastic screen 3 is in a flat state, the connecting rod 202 is at the highest position, and when the cam 401 pushes the connecting rod 202 to slide downwards, the connecting rod 202 further compresses the spring 502. The number of the springs 502 on the upper side of each return plate 501 is multiple, the multiple springs 502 are uniformly arranged along the length direction of the return plate 501, and in the embodiment, the number of the springs 502 on the upper side of each return plate 501 is 6.

With the arrangement, when materials are sieved, the cam 401 rotates to push the connecting rod 202 to slide downwards, the vibrating beam 201 synchronously slides downwards to pull the elastic screen 3 to deform, and at the moment, the spring 502 is compressed to store energy due to the sliding of the connecting rod 202. With the continued rotation of the cam 401, the elastic force of the spring 502 pushes the connecting rod 202 to continuously abut against the peripheral side of the cam 401, and the elastic force of the spring 502 assists to push the vibrating beam 201 to slide upwards so as to reset the elastic screen 3.

Alternatively, the upper side of the elastic screen 3 is provided with a plurality of dispersion bars 7 perpendicular to the elastic screen 3.

Referring to fig. 5 and 6, a plurality of dispersion bars 7 are fixed to an upper side of the elastic screen 3, and the dispersion bars 7 are disposed perpendicular to the elastic screen 3. The dispersing rods 7 are fixed to the elastic screen 3 by welding, and in other embodiments, the elastic screen 3 and the dispersing rods 7 may be fixed by bolts or bonding.

Set up like this, when the material divides the sieve, slide on elastic screen cloth 3 along with the material, perhaps along with elastic screen cloth 3's deformation, the material is driven and is bounced, the striking takes place for material and elastic screen cloth 3's dispersion pole 7 this moment, be convenient for hit the material that the adhesion is in the same place and scatter, therefore the material is when moving on elastic screen cloth 3, be difficult for the adhesion between the material together, the material of being convenient for leaks down from elastic screen cloth 3's mesh, and improve the branch sieve quality and the efficiency of material.

Optionally, the device further comprises a movable sleeve 701, and the movable sleeve 701 is rotatably sleeved on the dispersion rod 7.

Referring to fig. 5 and 6, a movable sleeve 701 is further included, and the movable sleeve 701 is rotatably sleeved on the dispersion rod 7. The movable sleeve 701 protects the dispersion rod 7. When the material impacts the movable sleeve 701, the movable sleeve 701 rotates due to the rotation of the movable sleeve 701.

With the arrangement, the movable sleeve 701 replaces the dispersion rod 7 to collide with the material, so that the dispersion rod 7 is not easy to be damaged by collision for a long time, and when the movable sleeve 701 is damaged, the protection of the dispersion rod 7 can be maintained conveniently by replacing the movable sleeve 701. When the material collides with the movable sleeve 701, the movable sleeve 701 is stressed to rotate, and the material is accumulated on the peripheral side of the movable sleeve 701, so that the material can slide on the elastic screen 3 or fall from the meshes of the elastic screen 3 conveniently.

Referring to fig. 1, optionally, the main body frame 1 further includes a shielding plate 103, the shielding plate 103 is disposed above the elastic screen 3, and the shielding plate 103 is fixed to the side plate 101.

The main body frame 1 further includes a shielding plate 103, two opposite edges of the lower side of the shielding plate 103 are respectively fixed to the two side plates 101, and the shielding plate 103 is located above the elastic screen 3. The shielding plate 103 and the side plate 101 are fixed by welding, and in other embodiments, the shielding plate 103 and the side plate 101 may also be fixed by bolts or rivets.

Set up like this, shielding plate 103 and two curb plates 101 form a cover body, during the branch sieve, when the material on the elastic screen cloth 3 was bounced, under the effect that blocks of curb plate 101 and shielding plate 103, the material was restricted in elastic screen cloth 3's top, the difficult condition that has the material to splash, and make the processing site environment clean and tidy, be convenient for concentrate the material.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Without departing from the spirit and scope of the present disclosure, those skilled in the art can make various changes and modifications, which will fall into the scope of the present disclosure.

Claims

1. A relaxation sieve is characterized by comprising a main body frame (1), a vibrating frame (2), an elastic screen (3) and a vibrating component (4);

the main body frame (1) comprises two side plates (101) and a plurality of fixed cross beams (102), wherein the fixed cross beams (102) are arranged between the two side plates (101) at intervals;

the vibration frame (2) comprises a plurality of vibration beams (201), the vibration beams (201) are arranged between the two side plates (101), and the vibration beams (201) and the fixed beams (102) are arranged in a staggered mode;

the elastic screen (3) is fixed on the upper sides of the vibrating beam (201) and the fixed beam (102);

the vibration assembly (4) is arranged on the side plate (101) and used for driving the vibration beam (201) to reciprocate along the direction perpendicular to the elastic screen (3).

2. The relaxation sieve as claimed in claim 1, wherein said side plate (101) is provided with a plurality of sliding grooves (1011), the length direction of said sliding grooves (1011) is perpendicular to the plane of said elastic screen (3), and the end of said vibrating beam (201) is slidably disposed in said sliding grooves (1011).

3. The relaxation screen of claim 2 wherein the vibrating frame (2) further comprises a connecting rod (202), wherein the ends of a plurality of the vibrating beams (201) are all fixed with the connecting rod (202), and the connecting rod (202) is located outside the side plate (101).

4. The relaxation screen of claim 3 wherein the vibrating assembly (4) comprises a cam (401) and a driving member, the cam (401) is rotatably mounted on the side plate (101), the rotation axis of the cam (401) is arranged in parallel with the plane of the elastic screen (3), the circumferential side of the cam (401) is abutted against one side of the connecting rod (202), and the driving member is in driving connection with the cam (401) to vibrate the elastic screen (3).

5. The relaxation screen of claim 4 further comprising a return assembly (5), said return assembly (5) comprising a return plate (501) and a resilient member, said return plate (501) being fixed to said side plate (101) and said return plate (501) being located on a side of said connecting rod (202) facing away from said cam (401), said resilient member being fixed between said return plate (501) and said connecting rod (202).

6. The relaxation screen of claim 5 wherein the resilient member comprises a spring (502), both ends of the spring (502) being connected to the connecting rod (202) and the return plate (501), respectively.

7. Relaxation screen as claimed in claim 1, characterized in that the upper side of said elastic screen (3) is provided with a plurality of dispersion bars (7) perpendicular to said elastic screen (3).

8. The relaxation screen of claim 7, further comprising a movable sleeve (701), wherein the movable sleeve (701) is rotatably sleeved on the dispersion rod (7).

9. The relaxation sieve of claim 1 wherein the main body frame (1) further comprises a shielding plate (103), wherein the shielding plate (103) is arranged above the elastic screen (3), and the shielding plate (103) is fixed with the side plate (101).

10. The relaxation screen of claim 1 further comprising a support assembly (6), wherein the support assembly (6) comprises a plurality of connection beams (602) and a plurality of support legs (601), the plurality of connection beams (602) are all arranged through the two side plates (101), and the support legs (601) are connected to both ends of each connection beam (602).