CN214515866U - Support swing mechanism and bouncing screen - Google Patents

Abstract

The utility model discloses a support swing mechanism and bounce sieve, including the swinging part with be used for supporting the braced frame of swinging part, the swinging part includes eccentric crank subassembly and drive assembly, eccentric crank subassembly includes eccentric rotating element and swing unit, eccentric rotating element supports on braced frame with eccentric rotation, eccentric rotating element lays in swing unit's centre bore, swing unit's upper portion and sieve subassembly fixed connection, drive assembly drives two sets of eccentric rotating element and supports frame eccentric rotation relatively, two sets of eccentric rotating element eccentric pivoted in-process pushes up the internal face of the centre bore of supporting corresponding swing unit respectively, make two swing unit synchronous oscillations of connecting the sieve subassembly, and then drive sieve subassembly reciprocating swing sieves the material on sieve subassembly surface in the incline direction. The utility model discloses a support swing mechanism, simple structure, can change and maintain eccentric crank subassembly and swing subassembly alone, support swing mechanism's assembly and easy maintenance.

Description

Support swing mechanism and bouncing screen

Technical Field

The utility model relates to a waste sorting equipment technical field especially relates to a support swing mechanism. 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 sieving mechanism of the bouncing sieve is a group of parallelogram mechanisms with the same number as the sieve plates, the motion mechanism is that two cranks of the parallelogram mechanisms move synchronously, and the adjacent sieve plates are in fluctuation and dislocation in the working process of the bouncing sieve. The screening mechanism of the bouncing screen needs to be provided with two groups of crank devices, and the existing crank devices which are usually manufactured by integrally forming an inlet are high in manufacturing cost and inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model provides a support swing mechanism to solve the technical problem that the crank device cost of current screening mechanism is with high costs, be not convenient for the maintenance.

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

a supporting and swinging mechanism is used for supporting a sieve plate component and enabling one side of the sieve plate component to be arranged in an upward inclined mode, and comprises a swinging portion and a supporting frame used for supporting the swinging portion, wherein the swinging portion comprises eccentric crank components respectively supported on two sides of the supporting frame and a driving component used for driving the eccentric crank components to rotate, the driving component drives two groups of eccentric crank components to synchronously swing so that the sieve plate component connected to the two groups of eccentric crank components can swing in a reciprocating mode and sieve materials on the surface of the sieve plate component, each eccentric crank component comprises an eccentric rotating unit and a swinging unit, the eccentric rotating units are supported on the supporting frame in an eccentric rotating mode, the eccentric rotating units are arranged in central holes of the swinging units, the upper portions of the swinging units are fixedly connected with the sieve plate component, and the driving component is used for driving the two groups of eccentric rotating units to eccentrically rotate relative to the supporting frame, the two groups of eccentric rotating units respectively prop against the inner wall surfaces of the central holes of the corresponding swinging units in the process of eccentric rotation, so that the two swinging units connected with the sieve plate assembly synchronously swing, and the sieve plate assembly is driven to reciprocate in the inclined direction to sieve materials on the surface of the sieve plate assembly.

Further, the eccentric rotary unit includes a rotary shaft rotatably supported on the support frame, and a plurality of eccentric discs eccentrically fitted on the rotary shaft, the eccentric discs being fixedly fitted on the rotary shaft, rotate the relative braced frame eccentric rotation of drive eccentric disc through the axis of rotation, a plurality of eccentric discs set up along the axial interval of eccentric rotation unit, the swing unit sets up to a plurality ofly, the swing unit is laid with the eccentric disc one-to-one, the eccentric disc is located in the center hole of swing unit, the sieve subassembly sets up to the multiunit, multiunit sieve subassembly is laid along the axial interval of eccentric crank subassembly, each both sides of organizing the sieve subassembly are connected respectively on two sets of eccentric crank subassembly on the corresponding swing unit, stagger each other so that two adjacent eccentric discs are arranged by high-low staggering along the eccentric direction of two axially adjacent eccentric discs of axis of rotation, and then make two sets of adjacent sieve subassemblies arrange by high-low staggering.

Further, the eccentric directions of two adjacent eccentric discs are staggered by 180 degrees.

Furthermore, the swing unit comprises a swing seat and a first wear-resisting ring, a step copper sleeve, a swing ring and a second wear-resisting ring which are sequentially arranged along the axial direction of the eccentric rotation unit, a small ring of the step copper sleeve extends into a central hole of the swing ring and is attached to the inner wall surface of the central hole, the first wear-resisting ring is used for pressing the large ring of the step copper sleeve against the side wall surface of the swing ring along the axial direction of the eccentric rotation unit, the swing unit further comprises a fastening connecting piece which sequentially penetrates through the first wear-resisting ring, the step copper sleeve, the swing ring and the second wear-resisting ring along the axial direction and is used for clamping the first wear-resisting ring and the second wear-resisting ring on the swing ring and the step copper sleeve, the first end of the swing seat is fixedly arranged on the upper portion of the swing ring, and the second end of the swing seat is used for connecting the sieve plate assembly.

Furthermore, the driving assembly comprises a driving motor, a driving gear, a driven gear and a transmission rack, the fixed end of the driving motor is fixedly arranged on the supporting frame, the output end of the driving motor is provided with the driving gear, the driven gear is fixedly arranged on the rotating shaft of one of the eccentric crank assemblies, the transmission rack is sleeved outside the driving gear and the driven gear and is respectively meshed with the driving gear and the driven gear, the driving motor drives the rotating shaft of one eccentric crank component to rotate on the supporting frame, the driving component also comprises a driving wheel, a driven wheel and a transmission strip, the driving wheel and the driving wheel are coaxially arranged, the driven wheel is fixedly arranged on the rotating shaft of the other eccentric crank component, the transmission strip is sleeved outside the driving wheel and the driven wheel and is respectively meshed with the driving wheel and the driven wheel, so as to drive the rotating shaft of one eccentric crank assembly to synchronously rotate when the rotating shaft of the other eccentric crank assembly rotates.

Furthermore, the support frame comprises a frame body and a bearing seat arranged on the frame body, and two ends of the rotating shaft are respectively supported on the bearing seat.

The utility model also provides a bounce sieve, including foretell support swing mechanism, still including locating sieve subassembly and the wind auxiliary system that supports on the swing mechanism, one side tilt up of sieve subassembly sets up, wind auxiliary system is in the downward sloping end of sieve subassembly and is used for upwards to the material blast air on sieve subassembly surface along the incline direction of sieve subassembly, support sieve subassembly and drive sieve subassembly along incline direction reciprocating oscillation through supporting the swing mechanism, through the material blast air of wind auxiliary system to sieve subassembly surface, and then divide into 3D thing with the material sieve on the sieve subassembly, fine material and 2D thing.

Further, the sieve plate subassembly includes that the middle part sets up the screening board of sieve mesh, the both ends of screening board respectively with the swing unit fixed connection that corresponds, the both sides of screening board are equipped with the side shield respectively, the top of side shield is wavy or dentate to the side shield hooks the 2D thing and makes the ascending climbing of 2D thing along the incline direction of screening board.

Furthermore, the two ends of the screening plate are respectively provided with a parting strip for assisting the material to bounce, and the parting strips are arranged on the upper surface of the screening plate.

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

The utility model discloses following beneficial effect has:

the utility model discloses a support swing mechanism, including swing portion and braced frame. The eccentric crank component of the swinging part drives the sieve plate component to swing in a reciprocating mode so as to sieve materials on the surface of the sieve plate component. The eccentric crank component comprises an eccentric rotating unit and a swinging unit, eccentric rotation is carried out on the supporting frame by taking the shaft axis as the rotation center line through the eccentric rotating unit, the eccentric rotating unit is arranged in the center hole of the swinging unit, the inner wall surface of the center hole of the corresponding swinging unit is propped against in the rotating process of the eccentric rotating unit, the swinging unit swings under the propping action force of the eccentric rotating unit, and then the two swinging units connected to the sieve plate component synchronously swing and drive the sieve plate component to reciprocate in the inclined direction to sieve materials on the surface of the sieve plate component, and the structure is simple. The utility model discloses in, through the eccentric crank unit and the swing unit that adopt the components of a whole that can function independently work of mutually supporting and then drive the swing of sieve subassembly, can change and maintain eccentric crank subassembly and swing subassembly alone, support swing mechanism's assembly and easy maintenance to adopt current ordinary machine tool equipment to make eccentric crank unit and swing unit alone, low in manufacturing cost.

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 view of a first three-dimensional structure of a supporting and swinging mechanism according to a preferred embodiment of the present invention;

fig. 2 is a schematic diagram of a second three-dimensional structure of the supporting and swinging mechanism according to the preferred embodiment of the present invention;

fig. 3 is a partial schematic structural view of the supporting swing mechanism according to the preferred embodiment of the present invention;

fig. 4 is a perspective view of the eccentric rotary unit of fig. 3;

fig. 5 is a schematic structural view of the swing unit in fig. 3;

FIG. 6 is a schematic structural view of the bounce screen of the present invention;

fig. 7 is a schematic view of the construction of the sieving plate of fig. 6.

Illustration of the drawings:

10. a support swing mechanism; 11. a swing portion; 111. an eccentric crank assembly; 1111. an eccentric rotation unit; 1111a, a rotating shaft; 1111b, an eccentric disc; 1112. a swing unit; 1112a, a swing seat; 1112b, a first wear ring; 1112c, step copper sleeve; 1112d, a wobble ring; 1112e, a second wear ring; 112. a drive assembly; 12. a support frame; 121. a frame body; 100. a bounce screen; 20. a screen plate assembly; 21. a screening plate; 22. a side dam; 23. a parting strip; 30. a wind power auxiliary system; 40. a first hopper; 50. a second hopper; 60. 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 view of a first three-dimensional structure of a supporting and swinging mechanism according to a preferred embodiment of the present invention; fig. 2 is a schematic diagram of a second three-dimensional structure of the supporting and swinging mechanism according to the preferred embodiment of the present invention; fig. 3 is a partial schematic structural view of the supporting swing mechanism according to the preferred embodiment of the present invention; fig. 4 is a perspective view of the eccentric rotary unit of fig. 3; fig. 5 is a schematic structural view of the swing unit in fig. 3; FIG. 6 is a schematic structural view of the bounce screen of the present invention; fig. 7 is a schematic view of the construction of the sieving plate of fig. 6.

As shown in fig. 1 and 2, the supporting and swinging mechanism 10 of the present embodiment is configured to support a screen deck assembly 20 and enable one side of the screen deck assembly 20 to be tilted upward, the supporting and swinging mechanism 10 includes a swinging portion 11 and a supporting frame 12 configured to support the swinging portion 11, the swinging portion 11 includes two sets of eccentric crank assemblies 111 respectively supported on two sides of the supporting frame 12 and a driving assembly 112 configured to drive the two sets of eccentric crank assemblies 111 to swing synchronously, the two sets of eccentric crank assemblies 111 are driven by the driving assembly 112 to swing synchronously, so that the screen deck assembly 20 connected to the two sets of eccentric crank assemblies 111 swings reciprocally to screen material on the surface of the screen deck assembly 20, the eccentric crank assemblies 111 include an eccentric rotating unit 1111 and a swinging unit 1112, the eccentric rotating unit 1111 is rotatably supported on the supporting frame 12 through a central hole of the swinging unit 1112, one side of the swinging unit 1112 is fixedly connected to the screen deck assembly 20, the other side of the swinging unit 1112 is sleeved on the eccentric rotating unit 1111 through a central hole, the two eccentric rotating units 1111, the two swinging units 1112 respectively sleeved on the eccentric rotating units 1111 and the sieve plate assembly 20 are combined to form a quadrilateral mechanism, the driving assembly 112 is used for driving the two groups of eccentric crank units to synchronously rotate, the two eccentric rotating units 1111 synchronously rotate and respectively abut against the inner wall surface of the central hole of the corresponding swinging unit 1112, so that the two swinging units 1112 connected with the sieve plate assembly 20 synchronously swing, and the sieve plate assembly 20 is driven to reciprocally swing in the inclined direction to sieve materials on the surface of the sieve plate assembly 20.

The utility model discloses a support swing mechanism 10, including swing portion 11 and braced frame 12. The eccentric crank assembly 111 of the swinging part 11 drives the screen plate assembly 20 to swing back and forth so as to screen the materials on the surface of the screen plate assembly 20. The eccentric crank assembly 111 comprises an eccentric rotation unit 1111 and a swinging unit 1112, the eccentric rotation unit 1111 rotates eccentrically on the support frame 12 by taking the axis as the rotation center line, the eccentric rotation unit 1111 is arranged in the center hole of the swinging unit 1112, the eccentric rotation unit 1111 pushes against the inner wall surface of the center hole of the corresponding swinging unit 1112 in the rotation process, the swinging unit 1112 swings under the pushing action force of the eccentric rotation unit 1111, and then the two swinging units 1112 connected to the sieve plate assembly 20 synchronously swing to drive the sieve plate assembly 20 to swing back and forth in the inclined direction to sieve the materials on the surface of the sieve plate assembly 20, and the structure is simple. The utility model discloses in, through the eccentric crank unit and the swing unit 1112 that adopt the components of a whole that can function independently work of mutually supporting and then drive sieve subassembly 20 swing, can change and maintain eccentric crank subassembly 111 and swing subassembly alone, support swing mechanism 10's assembly and easy maintenance to adopt current common machine tool equipment to make eccentric crank unit and swing unit 1112 alone, low in manufacturing cost.

It will be appreciated that the support frame 12 may be a split frame or a one-piece frame. The eccentric rotation unit 1111 may be an assembly structure formed by assembling and combining a cam structure in the axial direction, or an assembly structure formed by combining an eccentric wheel or an eccentric disc 1111b in the axial direction, so long as the eccentric rotation unit 1111 eccentrically rotates on the support frame 12 to abut against the inner wall surface of the center hole of the corresponding swing unit 1112, so that the two swing units 1112 connected to the screen plate assembly 20 synchronously swing.

Further, referring to fig. 3 and 4, the eccentric rotation unit 1111 includes a rotation shaft 1111a rotatably supported on the support frame 12 and a plurality of eccentric discs 1111b eccentrically mounted on the rotation shaft 1111a, the eccentric discs 1111b are fixedly mounted on the rotation shaft 1111a, the rotation shaft 1111a rotates to drive the eccentric discs 1111b to eccentrically rotate with respect to the support frame 12, the plurality of eccentric discs 1111b are axially spaced along the eccentric rotation unit 1111, the plurality of swing units 1112 are provided, the swing units 1112 are arranged corresponding to the eccentric discs 1111b one by one, the eccentric discs 1111b are provided in the central hole of the swing unit 1112, the screen plate assemblies 20 are provided in a plurality of sets, the plurality of sets of screen plate assemblies 20 are axially spaced along the eccentric crank assembly 111, both sides of each set of screen plate assembly 20 are respectively connected to the corresponding swing units 1112 on the two sets of eccentric crank assemblies 111, and the eccentric directions of two adjacent eccentric discs 1111b along the rotation shaft 1111a are mutually staggered to enable the adjacent two eccentric discs 1111b to be mutually staggered The screen plates are arranged in a staggered way, so that two adjacent sets of screen plate assemblies 20 are arranged in a staggered way. It is understood that the number of the swinging units 1112 on one side of the supporting frame 12 corresponds to the number of the screen plate assemblies 20, the number of the eccentric discs 1111b on one side of the supporting frame 12 for driving the swinging units 1112 to swing corresponds to the number of the screen plate assemblies 20, and the number of the eccentric discs 1111b may be 2, or may be other numbers such as 5, 6, or eight. Specifically, in this embodiment, can be through ordinary lathe processing axis of rotation 1111a and eccentric disc 1111b, then with a plurality of eccentric discs 1111b that process along the axial fixity of axis of rotation 1111a assemble on axis of rotation 1111a to make two adjacent eccentric discs 1111b lay along the axial interval, the utility model discloses an eccentric unit 1111's low in manufacturing cost to can change arbitrary eccentric disc 1111b alone, be convenient for maintain. It can be understood that, in the present embodiment, the eccentric directions of the two adjacent eccentric discs 1111b are staggered by 90 degrees or 180 degrees from each other.

Preferably, in order to improve the screening efficiency of the screen plate assembly 20, the eccentric directions of the two adjacent eccentric discs 1111b are arranged by being shifted by 180 degrees. So that two adjacent screen plate assemblies 20 are arranged in a staggered manner, and through the staggered swinging of the screen plate assemblies 20, the adjacent screen plates are required to be fluctuated to realize the bouncing screen 100 division of the materials on the screen plate assemblies 20.

Further, referring to fig. 5, the swing unit 1112 includes a swing seat 1112a, and a first wear ring 1112b, a step copper sleeve 1112c, a swing ring 1112d, and a second wear ring 1112e sequentially arranged along the axial direction of the eccentric rotation unit 1111, wherein a small ring of the step copper sleeve 1112c extends into a central hole of the swing ring 1112d and is attached to an inner wall surface of the central hole, the first wear ring 1112b is used for pressing the large ring gland swing ring 1112d of the step copper sleeve 1112c along the axial direction of the eccentric rotation unit 1111, the swing unit 1112 further includes a fastening connection piece which sequentially penetrates the first wear ring 1112b, the step copper sleeve 1112c, the swing ring 1112d, and the second wear ring 1112e along the axial direction and is used for clamping the first wear ring 1112b and the second wear ring 1112e on the swing ring 1112d and the step copper sleeve 1112c, a first end of the swing seat 1112a is fixed to an upper portion of the swing ring 1112d, the second end of the swing seat 1112a is adapted to be coupled to the screen assembly 20. It can be understood that, since a certain gap is left between the swing unit 1112 and the eccentric rotation unit 1111, when the eccentric rotation unit 1111 rotates eccentrically and abuts against the inner wall of the central hole of the swing unit 1112 to swing the swing unit 1112, the eccentric rotation unit 1111 and the swing unit 1112 are easily damaged. By arranging the step copper sleeve 1112c, the small ring of the step copper sleeve 1112c is sleeved in the swinging ring 1112d, so that the small ring of the step copper sleeve 1112c is stressed to drive the swinging ring 1112d to swing, and the inner wall surface of the central hole of the swinging ring 1112d is prevented from being damaged; by providing the first wear ring 1112b and the second wear ring 1112e, the side wall of the swing ring 1112d is prevented from being damaged by friction, which is beneficial to improving the service life of the eccentric rotation unit 1111. Preferably, a yellow oil hole is further formed in the swing seat 1112a, and lubricating oil is guided into the swing ring 1112d through the yellow oil hole, which is beneficial to reducing friction between the swing ring 1112d and the eccentric disc 1111 b.

Further, the driving assembly 112 includes a driving motor, a driving gear, a driven gear and a transmission rack, a fixed end of the driving motor is fixedly disposed on the supporting frame 12, an output end of the driving motor is provided with the driving gear, the driven gear is fixedly disposed on the rotation shaft 1111a of one of the eccentric crank assemblies 111, the transmission rack is sleeved outside the driving gear and the driven gear and respectively engaged with the driving gear and the driven gear, the rotation shaft 1111a of one of the eccentric crank assemblies 111 is driven to rotate on the supporting frame 12 through the work of the driving motor, the driving assembly 112 further includes a driving wheel, a driven wheel and a transmission strip, the driving wheel and the driving gear are coaxially disposed, the driven wheel is fixedly disposed on the rotation shaft 1111a of the other eccentric crank assembly 111, the transmission strip is sleeved outside the driving wheel and the driven wheel and respectively engaged with the driving wheel and the driven wheel, so as to drive the rotation shaft 1111a of the other eccentric crank assembly 111 when the rotation shaft of the one of the eccentric crank assembly 111 rotates 1111a rotate synchronously. Preferably, the driving motor is located at one side of the upward inclined end of the machine body frame, and the rotating shafts 1111a located at two sides of the machine body frame are driven to synchronously rotate through the transmission of the gear and the rack, so that the structure is simple.

Further, the support frame 12 includes a frame body 121 and a bearing seat provided on the frame body 121, and both ends of the rotation shaft 1111a are respectively supported on the bearing seat. Preferably, the machine body frame comprises a first frame and a second frame which are oppositely arranged, the first frame and the second frame are respectively provided with an eccentric crank assembly 111, the eccentric crank assembly 111 is supported on the first frame through a bearing seat on the first frame, and the eccentric crank assembly 111 is supported on the second frame through a bearing seat on the second frame.

Please refer to fig. 6, the present invention further provides a bounce screen 100, which includes the above-mentioned support swing mechanism 10, and further includes a screen plate assembly 20 and a wind power auxiliary system 30, which are disposed on the support swing mechanism 10, wherein one side of the screen plate assembly 20 is tilted upward, the wind power auxiliary system 30 is disposed at the downward tilting end of the screen plate assembly 20 and is used for blowing air to the material on the surface of the screen plate assembly 20 along the tilting direction of the screen plate assembly 20, the screen plate assembly 20 is supported by the support swing mechanism 10 and drives the screen plate assembly 20 to swing back and forth along the tilting direction, the material on the surface of the screen plate assembly 20 is blown air by the wind power auxiliary system 30, and then the material on the screen plate assembly 20 is classified into 3D material, fine material and 2D material.

The utility model discloses a when bounce screen 100 can be with stating the material screening on the sieve subassembly 20 and be 3D thing, fine material and 2D thing, simultaneously, bounce screen 100's support swing mechanism 10 reasonable in design, easy maintenance.

Optionally, the wind assist system 30 is a blower or an axial fan.

Further, referring to fig. 7, the screen plate assembly 20 includes a screening plate 21 having a screen hole in the middle, two ends of the screening plate 21 are respectively fixedly connected to the corresponding swing units 1112, two sides of the screening plate 21 are respectively provided with a side baffle 22, and the top of the side baffle 22 is wavy or toothed, so that the side baffle 22 hooks the 2D object to make the 2D object climb upwards along the inclined direction of the screening plate 21.

Furthermore, two ends of the sieving plate 21 are respectively provided with a parting strip 23 for assisting the material to bounce, and the parting strip 23 is arranged on the upper surface of the sieving plate 21. The division bars 23 are arranged at two ends of the sieve plate and are mainly used for assisting the bouncing of materials. Alternatively, the spacers 23 are arranged more densely at the lower end of the screening deck.

Further, to facilitate collection of the screened material, the pop-up screen 100 also includes a first hopper 40 for collecting 3D items at the downwardly inclined end of the screen deck assembly 20, a second hopper 50 for collecting fines below the screen deck assembly 20, and a third hopper for collecting 2D items at the upwardly inclined end of the pop-up screen 100 subassembly.

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 support and swing mechanism for supporting a screen deck assembly (20) and providing a side of the screen deck assembly (20) inclined upwardly,

the supporting and swinging mechanism comprises a swinging part (11) and a supporting frame (12) for supporting the swinging part (11),

the swinging part (11) comprises eccentric crank assemblies (111) respectively supported on two sides of the supporting frame (12) and driving assemblies (112) for driving the eccentric crank assemblies (111) to run, two groups of eccentric crank assemblies (111) are driven by the driving assemblies (112) to synchronously swing so as to enable the sieve plate assemblies (20) connected on the two groups of eccentric crank assemblies (111) to reciprocate and sieve materials on the surfaces of the sieve plate assemblies (20),

the eccentric crank assembly (111) comprises an eccentric rotating unit (1111) and a swinging unit (1112), the eccentric rotating unit (1111) is eccentrically and rotatably supported on the supporting frame (12), the eccentric rotating unit (1111) is arranged in a central hole of the swinging unit (1112), the upper part of the swinging unit (1112) is fixedly connected with the sieve plate assembly (20),

drive assembly (112) are used for the drive two sets of eccentric rotation unit (1111) is relative braced frame (12) eccentric rotation, two sets of eccentric rotation unit (1111) eccentric pivoted in-process pushes up respectively and corresponds the internal wall of the centre bore of swing unit (1112) makes and connects two of sieve subassembly (20) swing unit (1112) synchronous oscillation, and then the drive sieve subassembly (20) reciprocal swing in the incline direction will the material screening on sieve subassembly (20) surface.

2. The support and oscillation mechanism of claim 1,

the eccentric rotation unit (1111) comprises a rotation shaft (1111a) rotatably supported on the support frame (12) and a plurality of eccentric discs (1111b) eccentrically mounted on the rotation shaft (1111a), the eccentric discs (1111b) being fixedly mounted on the rotation shaft (1111a), the rotation of the rotation shaft (1111a) driving the eccentric discs (1111b) to eccentrically rotate with respect to the support frame (12),

the plurality of eccentric discs (1111b) are arranged at intervals along the axial direction of the eccentric rotation unit (1111), the swinging unit (1112) is arranged in a plurality of numbers, the swinging unit (1112) and the eccentric discs (1111b) are arranged in a one-to-one correspondence manner, the eccentric discs (1111b) are arranged in the central holes of the swinging unit (1112),

the sieve plate assemblies (20) are arranged into a plurality of groups, the sieve plate assemblies (20) are arranged along the axial direction of the eccentric crank assemblies (111) at intervals, two sides of each sieve plate assembly (20) are respectively connected to the corresponding swinging units (1112) on the two groups of eccentric crank assemblies (111),

the eccentric directions of two eccentric discs (1111b) which are adjacent along the axial direction of the rotating shaft (1111a) are staggered with each other so that the two adjacent eccentric discs (1111b) are staggered in height, and then the two adjacent screen plate assemblies (20) are staggered in height.

3. The support and oscillation mechanism of claim 2,

the eccentric directions of two adjacent eccentric discs (1111b) are arranged by being staggered by 180 degrees.

4. The support and oscillation mechanism of claim 2,

the swing unit (1112) comprises a swing seat (1112a) and a first wear-resistant ring (1112b), a step copper sleeve (1112c), a swing ring (1112d) and a second wear-resistant ring (1112e) which are sequentially arranged along the axial direction of the eccentric rotation unit (1111), wherein a small ring of the step copper sleeve (1112c) extends into a central hole of the swing ring (1112d) and is attached to the inner wall surface of the central hole, the first wear-resistant ring (1112b) is used for pressing a large ring of the step copper sleeve (1112c) to cover the side wall surface of the swing ring (1112d) along the axial direction of the eccentric rotation unit (1111),

the swinging unit (1112) further comprises a fastening connection piece which sequentially penetrates through the first wear-resisting ring (1112b), the step copper sleeve (1112c), the swinging ring (1112d) and the second wear-resisting ring (1112e) along the axial direction and is used for clamping the first wear-resisting ring (1112b) and the second wear-resisting ring (1112e) on the swinging ring (1112d) and the step copper sleeve (1112c) relatively, a first end of the swinging seat (1112a) is fixedly arranged on the upper portion of the swinging ring (1112d), and a second end of the swinging seat (1112a) is used for connecting the sieve plate assembly (20).

5. The support and oscillation mechanism of claim 2,

the driving assembly (112) comprises a driving motor, a driving gear, a driven gear and a transmission rack, the fixed end of the driving motor is fixedly arranged on the supporting frame (12), the output end of the driving motor is provided with the driving gear, the driven gear is fixedly arranged on one of the rotating shafts (1111a) of the eccentric crank assembly (111), the transmission rack is sleeved outside the driving gear and the driven gear and is respectively meshed with the driving gear and the driven gear, the rotating shaft (1111a) of one of the eccentric crank assemblies (111) is driven to rotate on the supporting frame (12) through the work of the driving motor,

the driving assembly (112) further comprises a driving wheel, a driven wheel and a transmission strip, the driving wheel and the driving wheel are coaxially arranged, the driven wheel is fixedly arranged on a rotating shaft (1111a) of the other eccentric crank assembly (111), and the transmission strip is sleeved outside the driving wheel and the driven wheel and is respectively meshed with the driving wheel and the driven wheel so as to drive the rotating shaft (1111a) of the other eccentric crank assembly (111) to synchronously rotate when the rotating shaft (1111a) of one eccentric crank assembly (111) rotates.

6. The support and oscillation mechanism of claim 2,

the supporting frame (12) comprises a frame body (121) and a bearing seat arranged on the frame body (121), and two ends of the rotating shaft (1111a) are respectively supported on the bearing seat.

7. A bouncing screen, characterized in that it comprises a supporting oscillating mechanism according to any one of claims 1-6,

the screen plate assembly is characterized by further comprising a screen plate assembly (20) and a wind power auxiliary system (30) which are arranged on the supporting and swinging mechanism, one side of the screen plate assembly (20) is arranged in an upward inclined mode, the wind power auxiliary system (30) is arranged at the downward inclined end of the screen plate assembly (20) and is used for blowing air to materials on the surface of the screen plate assembly (20) upwards along the inclined direction of the screen plate assembly (20),

the screen plate component (20) is supported by the supporting and swinging mechanism and drives the screen plate component (20) to swing in a reciprocating mode in the inclined direction, and the materials on the surface of the screen plate component (20) are blown by the wind power auxiliary system (30), so that the materials on the screen plate component (20) are screened into 3D materials, fine materials and 2D materials.

8. The bounce screen of claim 7,

sieve subassembly (20) are including sieve plate (21) that the sieve mesh was seted up at the middle part, the both ends of sieve plate (21) respectively with swing unit (1112) fixed connection that corresponds, the both sides of sieve plate (21) are equipped with side shield (22) respectively, the top of side shield (22) is wavy or dentate, so that 2D thing is hooked in side shield (22) and 2D thing makes the 2D thing follow the incline direction of sieve plate (21) upwards scrambles.

9. The bounce screen of claim 8,

two ends of the screening plate (21) are respectively provided with a parting bead (23) for assisting the material to bounce, and the parting beads (23) are arranged on the upper surface of the screening plate (21).

10. The bounce screen of claim 7,

the bouncing screen also includes a first hopper (40) for collecting 3D items at a downwardly inclined end of the screen deck assembly (20), a second hopper (50) for collecting fines below the screen deck assembly (20), and a third hopper for collecting 2D items at an upwardly inclined end of the bouncing screen assembly.

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