CN214347857U - Vibration reduction rack for bouncing sieve and bouncing sieve - Google Patents

Abstract

The utility model discloses a damping frame and bounce sieve for bounce sieve, including mutually independent frame body and frame formula frame, the frame body is used for supporting bounce screening subassembly, frame formula frame cover is located this external, through assemble on the frame body with bounce screening subassembly and make bounce screening subassembly operation so that the material on the bounce screening subassembly is according to the size, the difference of density and shape separates and then realizes the material screening each other, the frame body includes the suspension support and the fixed bolster of elastic buffer mechanism and components of a whole that can function independently, elastic buffer mechanism locates between fixed bolster and the suspension support, the fixed bolster passes through elastic buffer mechanism from the bottom elastic support suspension support of suspension support and makes one side tilt up setting of suspension support. The utility model discloses a damping frame for bounce screen has solved the in-process of bounce screen at vibration screening, the big problem of noise vibration.

Description

Vibration reduction rack for bouncing sieve and bouncing sieve

Technical Field

The utility model relates to a material screening technical field especially relates to a damping frame for bounce screen. Furthermore, the utility model discloses still relate to a bounce sieve.

Background

The bounce screen is solid material sorting equipment, and the principle of the bounce screen is that materials to be sorted move on an inclined plane of a screening mechanism of the bounce screen or collide and bounce with the inclined plane according to the difference of the size, the density and the shape of the materials to be sorted, different movement speeds and bounce tracks are generated to realize separation, and the bounce screen is more commonly used for processing and sorting household garbage, preselected decoration garbage, squeezed kitchen garbage, paper recycling garbage and the like. In particular, the bouncing screen can peel solid garbage into three categories of 3D objects, 2D objects and fine objects. The 3D object mainly refers to a substance which is heavy in weight, three-dimensional in appearance and good in rolling performance, such as a plastic bottle, a wood, a box, a can and the like; 2D object refers to light substance with sheet shape, such as plastic film, packaging bag, paper sheet, fabric, etc.; the fine material refers to undersize, i.e., material smaller than the size of the screen mesh, such as sand, organic matter, particles, etc. The screening mechanism of the bouncing screen is a group of four-bar mechanism, and specifically comprises crankshafts, a swing seat, connecting rods, a rack and the like, wherein the heights of two adjacent screen plates are staggered, and the screen plates reciprocate back and forth along an inclined plane direction by driving the two crankshafts to synchronously rotate so as to screen materials.

The screening process of the bounce screen is actually the high-frequency swing process of the screening component, the support frame of the existing bounce screen adopts an integrated structure, the whole support frame of the bounce screen vibrates along with the screening component in the working process, the vibration noise is large, and the vibration easily causes fatigue damage at the weak position of the support frame, so that the service life of the bounce screen is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a damping frame for bounce screen to solve current bounce screen at vibration screening's in-process, the technical problem that vibration noise is big.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a damping frame for bounce screen, including mutually independent frame body and frame formula frame, the frame body is used for supporting bounce screening subassembly, frame formula frame cover is located outside the frame body, through assemble bounce screening subassembly in the frame body and make bounce screening subassembly operation so that the material on the bounce screening subassembly is according to the size, the difference of density and shape separates each other and then realizes the material screening, the frame body includes the suspension support and the fixed bolster of elastic buffer mechanism and components of a whole that can function independently, elastic buffer mechanism locates between fixed bolster and the suspension support, the fixed bolster passes through elastic buffer mechanism and supports the suspension support and makes one side tilt up setting of suspension support from the bottom elastic support of suspension support.

Furthermore, the elastic buffer mechanism comprises a guide assembly and an elastic support assembly sleeved on the guide assembly, the guide assembly comprises a first guide part fixedly arranged on the fixed support and a second guide part fixedly arranged on the suspension support, the first guide part is arranged in a vertical slidable manner relative to the second guide part through the insertion fit of the first guide part and the second guide part, so that the suspension support can directionally move in the vertical direction relative to the fixed support, the first end of the elastic support assembly is abutted against the fixed support, and the second end of the elastic support assembly is abutted against the suspension support to be arranged.

Furthermore, the elastic support component adopts a compression spring, the first guide part adopts a guide sleeve, the second guide part adopts a guide rod, the guide sleeve is fixedly arranged on the fixed support, the first end of the guide rod is fixedly arranged on the suspension support, the second end of the guide rod is movably inserted in the guide sleeve along the vertical direction, the compression spring is sleeved on the guide rod, the first end of the compression spring is abutted against the fixed support, the second end of the compression spring is abutted against the suspension support, or the first guide part adopts the guide rod, the second guide part adopts the guide sleeve, the guide sleeve is fixedly arranged on the suspension support, the first end of the guide rod is fixedly arranged on the fixed support, the second end of the guide rod vertically penetrates through the fixed support and extends out of the fixed support to be arranged towards the guide sleeve, the guide sleeve is movably sleeved on the extending end of the guide rod, the compression spring is sleeved on the guide sleeve, and the first end of the compression spring is abutted against the fixed support, the second end of the compression spring is propped against the suspension bracket to be arranged.

Furthermore, the number of the elastic buffer mechanisms is multiple, the fixed support supports the suspension support from two sides of the suspension support through the elastic buffer mechanisms respectively, the fixed support comprises a first support and a second support which are arranged at intervals, the first support supports the suspension support from the first side of the suspension support through the elastic buffer mechanisms, the second support supports the suspension support from the second side of the suspension support through the elastic buffer mechanisms, and the second side of the suspension support is arranged obliquely upwards.

Furthermore, the suspension bracket comprises a first U-shaped connecting component, a second U-shaped connecting component and two connecting rod components which are arranged at intervals, the first U-shaped connecting component is used for fixedly connecting the two connecting rod components from the first side of the suspension bracket, the second U-shaped connecting component is used for fixedly connecting the two connecting rod components from the second side of the suspension bracket, the first U-shaped connecting component, the second U-shaped connecting component and the connecting rod components are combined to form a frame structure, the first bracket is arranged close to the first U-shaped connecting component, two sides of the first bracket are respectively provided with an elastic buffer mechanism, the elastic buffer mechanisms and the connecting rod components are arranged in a one-to-one correspondence manner, so that the first bracket simultaneously supports the two connecting rod components through the elastic buffer mechanisms, the second bracket is arranged close to the second U-shaped connecting component, two sides of the second bracket are respectively provided with an elastic buffer mechanism, and the elastic buffer mechanisms and the connecting rod components are arranged in a one-to-one correspondence manner, so that the second bracket supports the two connecting rod assemblies simultaneously through the elastic buffer mechanism.

The utility model also provides a bounce sieve, including foretell bounce sieve is with damping frame, still include the wind-force auxiliary system who assembles the spring screening subassembly on the suspension support and locate the downward slope end of spring screening subassembly along the incline direction of suspension support, spring screening subassembly includes the sieve and is used for driving the wobbling spring drive division of sieve, swing on the suspension support through spring drive division drive sieve, and through the material blast air of wind-force auxiliary system to spring screening subassembly surface, and then divide into 3D thing with the material sieve on the sieve, fine material and 2D thing.

Furthermore, the bounce driving part comprises a driving motor, a first transmission unit, a second transmission unit, a driving crankshaft and a driven crankshaft, the driving crankshaft and the driven crankshaft are respectively supported on the suspension support, two sides of the sieve plate are respectively connected with the driving crankshaft and the driven crankshaft, the driving crankshaft, the driven crankshaft and the sieve plate are combined to form a linkage mechanism, the sieve plate is driven to directionally reciprocate through the rotation of the driving crankshaft and the driven crankshaft to sieve materials on the sieve plate, the driven crankshaft synchronously rotates along with the driving crankshaft under the transmission action of the second transmission unit, the driving motor is fixedly arranged on a second U-shaped connecting component of the suspension support, and the driving crankshaft is driven to synchronously rotate along with the driving motor through the first transmission unit.

Further, the wind power auxiliary system comprises an axial flow fan, and an air outlet of the axial flow fan faces the sieve plate.

Furthermore, the bounce screen also comprises a feed hopper arranged on the feed inlet of the frame type frame, and the feed hopper is positioned above the bounce screen component.

Further, the bouncing screen also includes a first hopper at a downwardly-sloped end of the bouncing screen assembly for collecting 3D items, a second hopper below a screen panel of the bouncing screen assembly for collecting fines, and a third hopper at an upwardly-sloped end of the bouncing screen assembly for collecting 2D items.

The utility model discloses following beneficial effect has:

the utility model discloses a damping frame for bounce screen, including mutually independent frame body and frame body formula frame. The suspension support supporting bounce screening subassembly through the frame body, the in-process that the subassembly of bounce screen swung and carries out material screening on the suspension support can drive the vibration of suspension support at the in-process of bounce screen in the course of the work, with framework formula frame and suspension support mutual independence setting, separate the vibration of suspension support, avoid suspension support vibration to influence framework formula frame, avoided suspension support and framework formula frame friction, the vibration noise of having reduced the during operation of bounce screen and avoided framework formula frame because the vibration is impaired. An elastic buffer mechanism is arranged between the fixed support and the suspension support through the frame body, the fixed support is elastically supported and suspended, the elastic buffer mechanism is used for buffering vibration energy generated when the suspension support vibrates, the suspension support and the fixed support are of a split structure, vibration frequency and vibration amplitude generated when the fixed support is impacted are favorably reduced, and vibration noise generated when the bounce screen works is further reduced. Meanwhile, due to the adoption of the split suspension bracket, the fixing bracket and the frame type rack, the vibration of the bouncing screen component cannot be transmitted to the frame type rack and other equipment above the frame type rack, so that the service life of the bouncing screen is prolonged; when the vibration reduction rack for the bouncing screen is damaged, only the damaged suspension support, the fixed support or the frame type rack needs to be replaced or maintained independently, so that the vibration reduction rack for the bouncing screen is prevented from being replaced integrally, and the economic benefit during maintenance is improved.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic structural view of a vibration damping frame for a bounce screen according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the first portion of FIG. 1;

FIG. 3 is a schematic view of a portion of the second portion of FIG. 1;

FIG. 4 is a schematic structural view of the floating frame of FIG. 1;

FIG. 5 is a schematic structural view of a pop-up screen in accordance with a preferred embodiment of the present invention;

fig. 6 is a schematic view of a drive configuration of the pop-up screen of fig. 5.

Illustration of the drawings:

10. the vibration reduction rack is used for the bouncing screen; 11. a frame body; 12. a frame type frame; 111. a suspension bracket; 1111. a first U-shaped connecting assembly; 1112. a second U-shaped connecting assembly; 1113. a connecting rod assembly; 112. fixing a bracket; 1121. a first bracket; 1122. a second bracket; 113. an elastic buffer mechanism; 1131. a guide assembly; 1132. an elastic support member; 100. a bounce screen; 20. a screen assembly; 21. a sieve plate; 22. a bounce driving part; 221. a drive motor; 222. a first transmission unit; 223. a second transmission unit; 224. a driving crankshaft; 225. a driven crankshaft; 30. an axial flow fan; 40. a feed hopper; 50. A first hopper; 60. a second hopper; 70. a third hopper.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

FIG. 1 is a schematic structural view of a vibration damping frame for a bounce screen according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of a portion of the first portion of FIG. 1; FIG. 3 is a schematic view of a portion of the second portion of FIG. 1; FIG. 4 is a schematic structural view of the floating frame of FIG. 1; FIG. 5 is a schematic structural view of a pop-up screen in accordance with a preferred embodiment of the present invention; fig. 6 is a schematic view of a drive configuration of the pop-up screen of fig. 5.

As shown in fig. 1, the vibration damping frame 10 for the bouncing screen of the embodiment includes a frame body 11 and a frame body type frame which are independent from each other, the frame body 11 is used for supporting the bouncing screen assembly 20, the frame body type frame is covered outside the frame body 11, the bouncing screen assembly 20 is assembled on the frame body 11 and the bouncing screen assembly 20 is operated to separate materials on the bouncing screen assembly 20 according to differences of size, density and shape, so as to realize material screening, the frame body 11 includes an elastic buffer mechanism 113, a floating bracket 111 and a fixed bracket 112 which are separated, the elastic buffer mechanism 113 is disposed between the fixed bracket 112 and the floating bracket 111, and the fixed bracket 112 elastically supports the floating bracket 111 from the bottom of the floating bracket 111 through the elastic buffer mechanism 113 and enables one side of the floating bracket 111 to be inclined upwards.

The utility model discloses a damping frame 10 for bounce screen, including mutually independent frame body 11 and frame body formula frame 12. The bounce screen assembly 20 is supported by the suspension support 111 of the frame body 11, the bounce screen assembly 20 can drive the suspension support 111 to vibrate in the process of swinging the bounce screen assembly 20 on the suspension support 111 to screen materials in the working process, the frame type frame 12 and the suspension support 111 are arranged independently, the vibration of the suspension support 111 is separated, the suspension support 111 is prevented from vibrating to influence the frame type frame 12, the suspension support 111 is prevented from being rubbed with the frame type frame 12, the vibration noise of the bounce screen 100 in the working process is reduced, and the frame type frame 12 is prevented from being damaged due to vibration. Be equipped with elastic buffer mechanism 113 between fixed bolster 112 through frame body 11 and suspension support 111, make fixed bolster 112 elastic support suspension support 111, elastic buffer mechanism 113 is used for the vibration energy when buffering suspension support 111 vibration, and suspension support 111 adopts split type structure with fixed bolster 112, is favorable to reducing the vibration frequency and the amplitude that produce when fixed bolster 112 receives the impact, and then reduces the vibration noise of bounce screen 100 during operation. Meanwhile, due to the adoption of the split suspension bracket 111, the fixed bracket 112 and the frame type frame 12, the vibration of the bouncing screen assembly 20 cannot be transmitted to the frame type frame 12 and other equipment above the frame type frame 12, which is beneficial to prolonging the service life of the bouncing screen 100; when the damping frame 10 for the bouncing screen is damaged, only the damaged suspension support 111, the fixed support 112 or the frame type frame 12 need to be replaced or maintained independently, so that the damping frame 10 for the bouncing screen is prevented from being replaced integrally, and the economic benefit during maintenance is improved.

It is understood that the elastic buffer mechanism 113 may be a compression spring assembly, or may be other assemblies such as an elastic support block capable of generating plastic deformation, as long as the fixed bracket 112 elastically supports the floating bracket 111 from the bottom of the floating bracket 111 through the elastic buffer mechanism 113. One side of the floating bracket 111 is inclined upward so that an included angle formed between the floating bracket 111 and the horizontal plane is 10 to 40 degrees.

Further, the screening efficiency is prevented from being affected by the lateral swing of the floating support 111 relative to the fixed support 112, the elastic buffer mechanism 113 includes the guide assembly 1131 and the elastic support assembly 1132 sleeved on the guide assembly 1131, the guide assembly 1131 includes a first guide portion fixedly arranged on the fixed support 112 and a second guide portion fixedly arranged on the floating support 111, the first guide portion is vertically slidably arranged relative to the second guide portion through the insertion fit of the first guide portion and the second guide portion, so as to guide the floating support 111 to directionally move in the vertical direction relative to the fixed support 112, the first end of the elastic support assembly 1132 is abutted to the fixed support 112, and the second end of the elastic support assembly 1132 is abutted to the floating support 111.

Further, the elastic supporting component 1132 is a compression spring, the first guiding portion is a guide sleeve, the second guiding portion is a guide rod, the guide sleeve is fixedly disposed on the fixed bracket 112, the first end of the guide rod is fixedly disposed on the suspension bracket 111, the second end of the guide rod is movably inserted into the guide sleeve along the vertical direction, the compression spring is sleeved on the guide rod, the first end of the compression spring is abutted against the fixed bracket 112, the second end of the compression spring is abutted against the suspension bracket 111, or the first guiding portion is a guide rod, the second guiding portion is a guide sleeve, the guide sleeve is fixedly disposed on the suspension bracket 111, the first end of the guide rod is fixedly disposed on the fixed bracket 112, the second end of the guide rod vertically penetrates through the fixed bracket 112 and extends out of the fixed bracket 112 to be disposed towards the guide sleeve, the guide sleeve is movably sleeved on the outer extending end of the guide rod, the compression spring is sleeved on the guide sleeve, and the first end of the compression spring is abutted against the fixed bracket 112, the second end of the compression spring is arranged against the suspension bracket 111. The guide sleeve and the guide rod are arranged to be inserted and matched for guiding, and the compression spring is sleeved on the guide assembly 1131, so that the compression spring is prevented from sliding out from the position between the fixed support 112 and the suspension support 111, and the suspension support 111 moves directionally relative to the fixed support 112. The vibration energy of the suspension support 111 during vibration is buffered by arranging the compression spring, and the structure is simple.

Further, the number of the elastic buffer mechanisms 113 is plural, the fixed bracket 112 supports the floating bracket 111 from both sides of the floating bracket 111 through the plural elastic buffer mechanisms 113, the fixed bracket 112 includes a first bracket 1121 and a second bracket 1122 which are arranged at intervals, the first bracket 1121 supports the floating bracket 111 from a first side of the floating bracket 111 through the elastic buffer mechanisms 113, the second bracket 1122 supports the floating bracket 111 from a second side of the floating bracket 111 through the elastic buffer mechanisms 113, and the second side of the floating bracket 111 is arranged obliquely upward. The fixed bracket 112 includes the first bracket 1121 and the second bracket 1122 which are independent of each other, so that the vibration on the two sides of the suspension bracket 111 is isolated, and the vibration noise of the bounce screen 100 during operation is reduced. By providing a plurality of elastic buffer mechanisms 113 each operating independently, it is advantageous to buffer the vibration energy of the floating mount 111 from different directions of the floating mount 111.

Further, the suspension bracket 111 includes a first U-shaped connection assembly 1111, a second U-shaped connection assembly 1112 and two link assemblies 1113 arranged at an interval, the first U-shaped connection assembly 1111 is used to fixedly connect the two link assemblies 1113 from a first side of the suspension bracket 111, the second U-shaped connection assembly 1112 is used to fixedly connect the two link assemblies 1113 from a second side of the suspension bracket 111, the first U-shaped connection assembly 1111, the second U-shaped connection assembly 1112 and the link assemblies 1113 are combined to form a frame structure, the first bracket 1121 is arranged near the first U-shaped connection assembly 1111, two sides of the first bracket 1121 are respectively provided with an elastic buffer mechanism 113, the elastic buffer mechanisms 113 and the link assemblies 1113 are arranged in a one-to-one correspondence manner, so that the first bracket 1121 simultaneously supports the two link assemblies 1113 through the elastic buffer mechanisms 113, the second bracket 1122 is arranged near the second U-shaped connection assembly 1112, the two sides of the second support 1122 are respectively provided with an elastic buffer mechanism 113, and the elastic buffer mechanisms 113 and the connecting rod assemblies 1113 are arranged in a one-to-one correspondence manner, so that the second support 1122 supports the two connecting rod assemblies 1113 through the elastic buffer mechanisms 113. It will be appreciated that in this embodiment, the drive mechanisms for moving the bouncing screen assembly 20 are all mounted to the floating frame 111, and that the first U-shaped linkage assembly 1111 and the second U-shaped linkage assembly 1112 may be provided to facilitate the simultaneous movement of the two linkage assemblies 1113, while the mounting and evacuation spaces for mounting the drive members for driving the resilient screen assemblies 20 are formed and the evacuation spaces for mounting the resilient screen assemblies 20 are formed, so that the driven crankshaft 225 may be mounted to the first U-shaped linkage assembly 1111 and the driving crankshaft 224 and the drive motor 221 may be mounted to the second U-shaped linkage assembly 1112.

The utility model provides a bounce sieve 100, including foretell bounce sieve vibration reduction frame 10, still include the wind-force auxiliary system who assembles bounce screening subassembly 20 on suspension support 111 and locate the downward sloping end of bounce screening subassembly 20 along suspension support 111's incline direction, bounce screening subassembly 20 includes sieve 21 and is used for driving sieve 21 wobbling bounce drive division 22, drive sieve 21 through bounce drive division 22 and swing on suspension support 111, and through the material blast air of wind-force auxiliary system to bounce screening subassembly 20 surface, and then divide into 3D thing, fine material and 2D thing with the material sieve on the sieve 21.

The utility model discloses a bounce screen 100 can be with stating the material screening on the sieve 21 and be 3D thing, fine material and 2D thing simultaneously, and vibration noise is little, the long service life of damping frame 10 for the bounce screen.

Further, the bouncing driving portion 22 includes a driving motor 221, a first transmission unit 222, a second transmission unit 223, a driving crankshaft 224 and a driven crankshaft 225, the driving crankshaft 224 and the driven crankshaft 225 are respectively supported on the suspension bracket 111, two sides of the screen plate 21 are respectively connected with the driving crankshaft 224 and the driven crankshaft 225, the driving crankshaft 224, the driven crankshaft 225 and the screen plate 21 are combined to form a linkage mechanism, the driving crankshaft 224 and the driven crankshaft 225 rotate to drive the screen plate 21 to directionally and reciprocally swing to screen materials on the screen plate 21, the driven crankshaft 225 synchronously rotates with the driving crankshaft 224 under the transmission action of the second transmission unit 223, the driving motor 221 is fixedly disposed on a second U-shaped connection assembly 1112 of the suspension bracket 111, and the driving crankshaft 224 is driven by the first transmission unit 222 to synchronously rotate with the driving motor 221. Alternatively, in this embodiment, both ends of the driving crankshaft 224 are respectively supported on the two connecting rod assemblies 1113 or the first U-shaped connecting assembly 1111 or the second U-shaped connecting assembly 1112, both ends of the driven crankshaft 225 are respectively supported on the two connecting rod assemblies 1113, the first transmission unit 222 includes a driven wheel disposed on a hinge shaft of the driven crankshaft 225 and the connecting rod assemblies 1113 and a driving wheel disposed on a hinge shaft of the driving crankshaft 224 and the connecting rod assemblies 1113, the second transmission unit 223 includes a driving gear disposed on an output end of the driving motor 221 and a driven gear disposed on a hinge shaft of the driving crankshaft 224 and the connecting rod assemblies 1113, a transmission chain of the first transmission assembly drivingly connects the driven wheel and the driving wheel, a transmission rack of the second transmission assembly drivingly connects the driving gear and the driving gear, and the first transmission assembly further includes a tension wheel disposed on the suspension bracket 111, the second drive assembly also includes a tension sprocket disposed on the floating mount 111. Specifically, the driving motor 221 and the tension sprocket are both disposed on the second U-shaped connecting assembly 1112, and the tension pulley is disposed on the first U-shaped connecting assembly 1111.

Further, in order to facilitate climbing the 2D obliquely upward, the wind power auxiliary system includes an axial flow fan 30, and an air outlet of the axial flow fan 30 is disposed toward the screen plate 21. Alternatively, the wind assist system may also be a blower for blowing air towards the material on the screen assemblies 20.

Further, to facilitate the delivery of material to the bouncing screen assembly 20, the bouncing screen 100 also includes a feed hopper 40 disposed at the feed opening of the frame-type housing 12, the feed hopper 40 being positioned above the bouncing screen assembly 20.

Further, to facilitate collection of screened material, the bouncing screen 100 also includes a first hopper 50 at a downwardly-inclined end of the bouncing screen assembly 20 for collecting 3D items, a second hopper 60 below the screen panel 21 of the bouncing screen assembly 20 for collecting fines, and a third hopper 70 at an upwardly-inclined end of the bouncing screen assembly 20 for collecting 2D items.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A vibration damping frame for a bounce screen is characterized in that,

including mutually independent frame body (11) and frame body formula frame (12), frame body (11) are used for supporting bounce screening subassembly (20), frame body formula frame (12) cover is located outside frame body (11), through with bounce screening subassembly (20) assemble in frame body (11) is last and make bounce screening subassembly (20) operation so that the material on bounce screening subassembly (20) separates each other and then realizes the material screening according to the difference of size, density and shape,

the rack body (11) comprises an elastic buffer mechanism (113), a suspension bracket (111) and a fixed bracket (112) which are separated, the elastic buffer mechanism (113) is arranged between the fixed bracket (112) and the suspension bracket (111),

the fixed support (112) elastically supports the suspension support (111) from the bottom of the suspension support (111) through the elastic buffer mechanism (113) and enables one side of the suspension support (111) to be arranged in an upward inclined mode.

2. The vibration dampening frame for a bouncing screen of claim 1,

the elastic buffer mechanism (113) comprises a guide component (1131) and an elastic support component (1132) sleeved on the guide component (1131),

the guide assembly (1131) comprises a first guide part fixedly arranged on the fixed support (112) and a second guide part fixedly arranged on the floating support (111), the first guide part is vertically and slidably arranged relative to the second guide part through the insertion fit of the first guide part and the second guide part so as to guide the floating support (111) to directionally move in the vertical direction relative to the fixed support (112),

the first end of the elastic supporting component (1132) is abutted to the fixed support (112), and the second end of the elastic supporting component (1132) is abutted to the suspension support (111) to be arranged.

3. The vibration dampening frame for a bouncing screen of claim 2,

the elastic supporting component (1132) adopts a compression spring,

the first guide part adopts a guide sleeve, the second guide part adopts a guide rod, the guide sleeve is fixedly arranged on the fixed support (112), the first end of the guide rod is fixedly arranged on the suspension support (111), the second end of the guide rod is arranged in the guide sleeve along the vertical movable insertion way, the compression spring is sleeved on the guide rod, the first end of the compression spring is abutted against the fixed support (112), the second end of the compression spring is abutted against the suspension support (111) for arrangement, or

The first guide part adopts a guide rod, the second guide part adopts a guide sleeve, the guide sleeve is fixedly arranged on the suspension support (111), the first end of the guide rod is fixedly arranged on the fixed support (112), the second end of the guide rod vertically penetrates through the fixed support (112) and extends out of the fixed support (112) and faces the guide sleeve, the guide sleeve is movably sleeved on the extending end of the guide rod, the compression spring is sleeved on the guide sleeve, the first end of the compression spring is abutted against the fixed support (112), and the second end of the compression spring is abutted against the suspension support (111) for arrangement.

4. The vibration dampening frame for a bouncing screen of claim 1,

the number of the elastic buffer mechanisms (113) is multiple, the fixed bracket (112) supports the suspension bracket (111) from two sides of the suspension bracket (111) through the multiple elastic buffer mechanisms (113),

the fixed support (112) comprises a first support (1121) and a second support (1122) which are arranged at intervals, the first support (1121) supports the suspension support (111) from the first side of the suspension support (111) through the elastic buffer mechanism (113), the second support (1122) supports the suspension support (111) from the second side of the suspension support (111) through the elastic buffer mechanism (113), and the second side of the suspension support (111) is arranged obliquely upwards.

5. The vibration dampening frame for a bouncing screen of claim 4,

the suspension bracket (111) comprises a first U-shaped connecting component (1111), a second U-shaped connecting component (1112) and two connecting rod components (1113) which are arranged at intervals, the first U-shaped connecting component (1111) is used for fixedly connecting the two connecting rod components (1113) from a first side of the suspension bracket (111), the second U-shaped connecting component (1112) is used for fixedly connecting the two connecting rod components (1113) from a second side of the suspension bracket (111), and the first U-shaped connecting component (1111), the second U-shaped connecting component (1112) and the connecting rod components (1113) are combined to form a frame type structure,

the first support (1121) is arranged close to the first U-shaped connecting component (1111), the two sides of the first support (1121) are respectively provided with the elastic buffer mechanisms (113), the elastic buffer mechanisms (113) and the connecting rod components (1113) are arranged in a one-to-one correspondence mode, so that the first support (1121) supports the two connecting rod components (1113) through the elastic buffer mechanisms (113), the second support (1122) is arranged close to the second U-shaped connecting component (1112), the two sides of the second support (1122) are respectively provided with the elastic buffer mechanisms (113), the elastic buffer mechanisms (113) and the connecting rod components (1113) are arranged in a one-to-one correspondence mode, and the second support (1122) supports the two connecting rod components (1113) through the elastic buffer mechanisms (113).

6. A bounce screen is characterized in that,

comprising a vibration-damping frame for a bouncing screen as claimed in any of the claims 1 to 5,

the bouncing screen assembly comprises a floating support (111), a bouncing screen assembly (20) assembled on the floating support (111) along the inclination direction of the floating support and a wind power auxiliary system arranged at the downward-inclined end of the bouncing screen assembly (20), wherein the bouncing screen assembly (20) comprises a screen plate (21) and a bouncing driving part (22) used for driving the screen plate (21) to swing,

the bounce screen plate (21) is driven to swing on the suspension bracket (111) through the bounce driving part (22), and materials on the surface of the bounce screen component (20) are blown through the wind power auxiliary system, so that the materials on the screen plate (21) are screened into 3D materials, fine materials and 2D materials.

7. The bounce screen of claim 6,

the bouncing driving part (22) comprises a driving motor (221), a first transmission unit (222), a second transmission unit (223), a driving crankshaft (224) and a driven crankshaft (225), the driving crankshaft (224) and the driven crankshaft (225) are respectively supported on the suspension bracket (111), two sides of the sieve plate (21) are respectively connected with the driving crankshaft (224) and the driven crankshaft (225), the driving crankshaft (224), the driven crankshaft (225) and the sieve plate (21) are combined to form a linkage mechanism, the driving crankshaft (224) and the driven crankshaft (225) rotate to drive the sieve plate (21) to directionally swing in a reciprocating mode so as to sieve materials on the sieve plate (21),

driven crankshaft (225) is in the transmission effect of second drive unit (223) is followed drive crankshaft (224) synchronous rotation, driving motor (221) are fixed to be located on second U type coupling assembling (1112) of suspension support (111), through first drive unit (222) drive crankshaft (224) are followed drive motor (221) synchronous rotation.

8. The bounce screen of claim 6,

the wind power auxiliary system comprises an axial flow fan (30), and an air outlet of the axial flow fan (30) faces the sieve plate (21).

9. The bounce screen of claim 6,

the bouncing screen also comprises a feed hopper (40) arranged on the feed inlet of the frame body type frame (12),

the feed hopper (40) is above the bouncing screen assembly (20).

10. The bounce screen of claim 6,

the bouncing screen also includes a first hopper (50) for collecting 3D items at a downwardly sloping end of the bouncing screen assembly (20), a second hopper (60) for collecting fines below a screening deck (21) of the bouncing screen assembly (20), and a third hopper (70) for collecting 2D items at an upwardly sloping end of the bouncing screen assembly (20).

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