CN111282805B

CN111282805B - High-elasticity self-cleaning screen plate without hair hanging

Info

Publication number: CN111282805B
Application number: CN202010105824.0A
Authority: CN
Inventors: 唐晓田; 随文选; 随文俊
Original assignee: Anhui Haohua Environmental Protection Technology Co ltd
Current assignee: Anhui Haohua Environmental Protection Technology Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-11-03
Anticipated expiration: 2040-02-20
Also published as: CN111282805A

Abstract

The invention provides a high-elasticity self-cleaning burr-free sieve plate, which relates to the technical field of sieve plates and comprises a sieve plate outer frame, wherein the sieve plate outer frame is of a rectangular frame structure, buffer grooves are symmetrically formed in the left inner side wall and the right inner side wall of the sieve plate outer frame, a sieve plate device is movably arranged in the sieve plate outer frame and comprises a sieve plate body seat, the sieve plate body seat is of a rectangular frame structure, a sieve plate body is movably arranged in the sieve plate body seat, a front buffer supporting rod and a rear buffer supporting rod are respectively arranged at the front end and the rear end of the bottom surface of the sieve plate body seat in parallel, the front buffer supporting rod and the rear buffer supporting rod are identical in size structure, buffer devices are fixedly arranged between the corresponding two ends. The invention has the advantages that the multi-directional vibration and movement can be carried out during material screening, the blockage of screened objects is avoided, and the self-cleaning effect is achieved.

Description

High-elasticity self-cleaning screen plate without hair hanging

Technical Field

The invention relates to the technical field of sieve plates, in particular to a high-elasticity self-cleaning sieve plate without hanging hair.

Background

The vibrating screen is one of the most widely used devices in coal preparation plants, and is mainly used for completing dehydration, desliming, medium removal, classification and the like of coal, the screen plate is also a key part in the vibrating screen, and how the using effect and whether performance parameters of the whole device can reach the standard are closely inseparable with the screen plate.

The sieve in the in-service use process, often can be mingled with impurity such as cotton fibre, plastics in being filtered the thing, imbed the sieve seam very easily in, and in the time of one's life, can lead to the sieve seam to block up for the rate of passing through the sieve of sieve reduces, and also deposits easily on the sieve by the filter thing, thereby further leads to the loss increase of sieve, washs difficulty, cost increase, seriously influences production efficiency's improvement.

Disclosure of Invention

The invention aims to solve the technical problem of providing a high-elasticity self-cleaning burr-free sieve plate which can vibrate and move in multiple directions during material screening, and can avoid blockage by screened objects, thereby achieving the self-cleaning effect.

In order to solve the technical problems, the invention provides a high-elasticity self-cleaning burr-free sieve plate, which comprises an outer sieve plate frame, wherein the outer sieve plate frame is of a rectangular frame structure, buffer grooves are symmetrically arranged on the left inner side wall and the right inner side wall of the outer sieve plate frame, a sieve plate device is movably arranged in the outer sieve plate frame and comprises a sieve plate body seat, the sieve plate body seat is of a rectangular frame structure, a sieve plate body is movably arranged in the sieve plate body seat, a front buffer supporting rod and a rear buffer supporting rod are respectively arranged at the front end and the rear end of the bottom surface of the sieve plate body seat in parallel, the front buffer supporting rod and the rear buffer supporting rod are same in size structure, buffer devices are respectively and fixedly arranged between the corresponding two ends of the front buffer supporting rod and the rear buffer supporting rod, each buffer device comprises a buffer seat, the buffer seats are respectively and fixedly, and the buffer seat is movable respectively and sets up in the dashpot on the two inside walls of the outer frame left and right sides of sieve, the fixed stopper that is provided with on the top surface of buffer seat, the fixed dog that is provided with on the inner wall of dashpot open-ended top surface, parallel interval is provided with a plurality of vibrating arms on the bottom surface of buffer seat, the lateral wall of buffer seat is improved level and is provided with a plurality of buffer beam, and buffer beam activity respectively runs through two inside walls of the outer frame left and right sides of sieve, buffer spring's outside all overlaps and is equipped with buffer spring, buffer spring's both ends difference fixed connection is on the inner wall of dashpot and buffer seat's lateral wall, parallel interval is provided with a plurality of vibrating arms down on the bottom surface.

Preferably, the sieve plate body comprises a sieve plate body frame which is of a rectangular frame structure, the sieve plate body frame is movably arranged in a sieve plate body seat, a plurality of transverse sieve bars are arranged in the sieve plate body frame at intervals along the length direction, a plurality of longitudinal sieve bars are arranged in the sieve plate body frame at intervals along the width direction, the transverse sieve bars and the longitudinal sieve bars are both wavy, and the transverse sieve bars and the longitudinal sieve bars are arranged in a staggered manner to form a grid shape, and the wave trough of the horizontal screen bar is all located the crest below of the longitudinal screen bar, the crest of the horizontal screen bar and the crest of the longitudinal screen bar are on the same plane, the screened material can fall through the gap screen between the horizontal screen bar and the longitudinal screen bar, and the screened material can play a certain buffer role after falling onto the wavy horizontal screen bar and the longitudinal screen bar, so that the screened material is not easy to block up in the gap between the horizontal screen bar and the longitudinal screen bar.

Preferably, the interval sets up between buffer seat and the sieve body seat, and preceding buffering branch is hollow column structure with back buffering branch, fixed connection between the top of preceding buffering branch and back buffering branch and the bottom surface of sieve body seat, and preceding buffering branch is the arc form with the bottom of back buffering branch, and when more by the screening thing fall to the sieve body on, preceding buffering branch produces the deformation with back buffering branch and can play the cushioning effect.

Preferably, it is provided with the guide bar spout still all to level on the opposition lateral wall of dashpot, still be provided with a plurality of guide bars on the lateral wall of buffing pad, the length direction of guide bar spout and guide bar is parallel with the length direction of dashpot, the position of guide bar is corresponding with the position of guide bar spout, and the guide bar slides and sets up in the guide bar spout of relevant position, when being filtered the thing and falling to sieve on the sieve plate body and straining, arouse the vibrations of sieve plate body, when the sieve plate body takes place to control the position and removes, slide in the guide bar spout through the guide bar, be favorable to keeping that buffer removes steadily in the dashpot.

Preferably, go up the vibrating arm and parallel down between the vibrating arm, the cross section of going up vibrating arm and vibrating arm down is semi-circular, distance between two adjacent last vibrating arms is greater than distance between two adjacent lower vibrating arms, and the cambered surface of going up vibrating arm and vibrating arm down contacts, when being sifted on falling to the sieve body by the screening thing, arouse the vibrations of sieve body, when the sieve body takes place the left and right sides position removal, make buffer move in the dashpot, the lower vibrating arm that goes up vibrating arm and different positions this moment contacts, thereby can drive the vibrations from top to bottom of sieve body, make can not deposit on horizontal grizzly and vertical grizzly by the screening thing.

Preferably, the top of stopper and the bottom of dog are the inclined plane form, are parallel between the top of stopper and the bottom of dog, and the stopper is located between the bottom surface of dashpot and the dog, can prevent that the buffer seat from sliding to the outside of dashpot.

Preferably, still be provided with the ring channel in the sieve body seat, the big or small looks adaptation of sieve body frame and ring channel, and the sieve body frame is located the ring channel, and the height that highly equals or is less than the ring channel of sieve body frame makes things convenient for the sieve body frame to place and dismantle and clear up.

Preferably, buffer rod and sieve body are made of polyurethane material, can improve life.

The invention has the beneficial effects that:

(1) the arrangement of the buffer device enables the screened objects to pass through the sieve plate device, so that the effect of multidirectional vibration and movement of the sieve plate device is achieved, the storage of the screened objects is reduced, the sieve plate device has a self-cleaning effect, and the screening efficiency of the screened objects is improved;

(2) the wavy transverse screen bars and the wavy longitudinal screen bars can not cause the screened objects to be accumulated and hooked on the transverse screen bars and the longitudinal screen bars on one hand, and can play a role in buffering more screened objects when falling onto the transverse screen bars and the longitudinal screen bars simultaneously on the other hand;

(3) the sieve plate body frame is positioned in the annular groove, so that the sieve plate body frame is convenient to mount and dismount and clean after screening;

(4) the bottom of preceding buffering branch and back buffering branch is the arc form, and when more by the screening thing fall to the sieve body on, preceding buffering branch and back buffering branch produce to warp and can play the cushioning effect to be difficult to damage sieve body and sieve body seat.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a high-elasticity self-cleaning screen plate without hanging bristles according to the present invention;

FIG. 2 is an exploded view of a highly elastic self-cleaning screen plate without hanging bristles according to the present invention;

FIG. 3 is a schematic view of a longitudinal bar structure of a high-elasticity self-cleaning non-furring sieve plate according to the present invention;

FIG. 4 is a schematic view of a cross bar structure of a high elasticity self-cleaning non-furring screen plate according to the present invention;

FIG. 5 is a schematic structural view of a sieve plate body of a high-elasticity self-cleaning non-burried sieve plate according to the present invention;

FIG. 6 is a schematic structural view of a buffering mechanism of a high-elasticity self-cleaning screen plate without hanging bristles according to the present invention;

FIG. 7 is a schematic view of the position of a lower vibrating rod of a high elasticity self-cleaning screen plate without hanging bristles according to the present invention;

the reference signs are: 1. a sieve plate outer frame; 2. a buffer tank; 21. a guide bar chute; 3. a sieve plate device; 31. a sieve plate body seat; 32. a sieve plate body; 321. a sieve plate body frame; 322. transverse screen bars; 323. longitudinal screen bars; 33. a front buffer strut; 34. a rear buffer strut; 4. a buffer device; 41. a buffer seat; 411. a guide bar; 42. a limiting block; 421. a stopper; 43. an upper vibrating rod; 44. a buffer rod; 45. a buffer spring; 46. a lower vibrating rod; 5. an annular groove.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-7, the high elasticity self-cleaning burr-free screen plate of this embodiment includes a screen plate outer frame 1, the screen plate outer frame 1 is a rectangular frame structure, buffer slots 2 are symmetrically disposed on the left and right inner side walls of the screen plate outer frame 1, a screen plate device 3 is movably disposed in the screen plate outer frame 1, the screen plate device 3 includes a screen plate body seat 31, the screen plate body seat 31 is a rectangular frame structure, a screen plate body 32 is movably disposed in the screen plate body seat 31, a front buffer strut 33 and a rear buffer strut 34 are respectively disposed in parallel at the front and rear ends of the bottom surface of the screen plate body seat 31, the front buffer strut 33 and the rear buffer strut 34 have the same size and structure, buffer devices 4 are respectively fixedly disposed between the corresponding ends of the front buffer strut 33 and the rear buffer strut 34, each buffer device 4 includes a buffer seat 41, and each buffer seat 41 is respectively fixedly disposed between one end of, Between the other end of preceding buffering branch 33 and back buffering branch 34, and buffer seat 41 activity respectively sets up in buffer slot 2 on the two inside walls of the left and right sides of outer frame 1 of sieve, the fixed stopper 42 that is provided with on the top surface of buffer seat 41, the fixed dog 421 that is provided with on the open-ended top surface inner wall of buffer slot 2, parallel interval is provided with a plurality of vibrating arms 43 on the bottom surface of buffer seat 41, buffer seat 41's lateral wall is improved level and is provided with a plurality of buffer rods 44, and buffer rods 44 activity respectively runs through two inside walls of the left and right sides of outer frame 1 of sieve, buffer rod 44's outside all is overlapped and is equipped with buffer spring 45, fixed connection is on buffer slot 2's the inner wall and buffer seat 41's lateral wall respectively at the both ends of buffer spring 45, parallel interval is provided with a plurality of vibrating arms 46 down on the bottom.

The sieve plate body 32 comprises a sieve plate body frame 321, the sieve plate body frame 321 is a rectangular frame structure, the sieve plate body frame 321 is movably arranged in the sieve plate body seat 31, a plurality of transverse sieve bars 322 are arranged in the sieve plate body frame 321 in parallel at intervals along the length direction, a plurality of longitudinal sieve bars 323 are arranged in the sieve plate body frame 321 in parallel at intervals along the width direction, the transverse sieve bars 322 and the longitudinal sieve bars 323 are both wavy, the transverse sieve bars 322 and the longitudinal sieve bars 323 are arranged in a staggered mode to form a grid shape, troughs of the transverse sieve bars 322 are all located below crests of the longitudinal sieve bars 323, crests of the transverse sieve bars 322 and crests of the longitudinal sieve bars 323 are on the same plane, screened objects can fall through gaps between the transverse sieve bars 322 and the longitudinal sieve bars 323, the screened objects can play a certain buffering role after falling onto the wavy transverse sieve bars 322 and the longitudinal sieve bars 323, and are not easy to block in gaps between the transverse sieve bars 322 and the longitudinal sieve bars 323, the buffer seat 41 and the sieve plate body seat 31 are arranged at intervals, the front buffer strut 33 and the rear buffer strut 34 are both hollow structures, the top of the front buffer strut 33 and the rear buffer strut 34 are fixedly connected with the bottom surface of the sieve plate body seat 31, the bottom of the front buffer strut 33 and the bottom of the rear buffer strut 34 are arc-shaped, when more screened objects fall on the sieve plate body 32, the front buffer strut 33 and the rear buffer strut 34 deform to play a buffer role, guide rod chutes 21 are horizontally arranged on opposite side walls of the buffer groove 2, a plurality of guide rods 411 are arranged on the side walls of the buffer seat 41, the length directions of the guide rod chutes 21 and the guide rods 411 are parallel to the length direction of the buffer rods 44, the positions of the guide rods 411 correspond to the positions of the guide rod chutes 21, the guide rods 411 are slidably arranged in the guide rod chutes 21 at corresponding positions, when the screened objects fall on the sieve plate body 32 for screening, the screen plate body 32 is caused to vibrate, when the screen plate body 32 moves left and right, the guide rods 411 slide in the guide rod sliding grooves 21, so that the buffer device 4 can be kept to stably move in the buffer groove 2, the upper vibrating rods 43 are parallel to the lower vibrating rods 46, the cross sections of the upper vibrating rods 43 and the lower vibrating rods 46 are semicircular, the distance between every two adjacent upper vibrating rods 43 is larger than the distance between every two adjacent lower vibrating rods 46, the upper vibrating rods 43 are in contact with the cambered surfaces of the lower vibrating rods 46, when screened objects fall on the screen plate body 32 to be screened, the screen plate body 32 is caused to vibrate, when the screen plate body 32 moves left and right, the buffer device 4 moves in the buffer groove 2, at the moment, the upper vibrating rods 43 are in contact with the lower vibrating rods 46 at different positions, so that the screen plate body 32 can be driven to vibrate up and down, the screened objects can not be accumulated on the transverse screen bars 322 and the longitudinal screen bars 323, the top of stopper 42 and the bottom of dog 421 are the inclined plane form, it is parallel between the top of stopper 42 and the bottom of dog 421, and stopper 42 is located between the bottom surface of buffer slot 2 and dog 421, can prevent that buffer seat 41 from sliding to the outside of buffer slot 2, still be provided with ring channel 5 in sieve body seat 31, sieve body frame 321 and ring channel 5's big or small looks adaptation, and sieve body frame 321 is located ring channel 5, sieve body frame 321's highly equal to or less than ring channel 5's height, make things convenient for sieve body frame 321 to place and dismantle and clear up, buffer rod 44 and sieve body 32 are polyurethane material and make, can improve life.

The working principle of the invention is as follows: after the screen plate device 3 is installed in the screen plate outer frame 1, the buffer seats 41 at the two ends of the front buffer support rod 33 and the rear buffer support rod 34 are respectively positioned in the buffer grooves 2 on the left inner side wall and the right inner side wall of the screen plate outer frame 1, the limiting blocks 42 are positioned in the buffer grooves 2 between the bottom surfaces of the buffer grooves 2 and the stoppers 421, and simultaneously the guide rods 411 are positioned in the guide rod sliding grooves 21 at corresponding positions, and at the moment, the upper vibrating rods 43 are contacted with the lower vibrating rods 46; when the materials need to be screened, the screen plate body 32 can be installed in the annular groove 5 on the screen plate body seat 31, when the materials are screened, the screened materials fall onto the screen plate body 32 and fall through the gap between the transverse screen bars 322 and the longitudinal screen bars 323, and the sundries in the screened materials, which are larger than the gap between the transverse screen bars 322 and the longitudinal screen bars 323, are filtered and stay on the transverse screen bars 322 and the longitudinal screen bars 323; when the screened objects fall onto the sieve plate body 32 from a high position, the sieve plate device 3 and the sieve plate body 32 can also vibrate up and down or move left and right simultaneously, when the sieve plate body 32 moves left and right, the buffer device 4 moves in the buffer groove 2, and at the moment, the upper vibrating rod 43 is in contact with the lower vibrating rods 46 at different positions, so that the sieve plate body 32 can vibrate up and down in a bumping manner, and the screened objects cannot be accumulated on the transverse sieve bars 322 and the longitudinal sieve bars 323; when more screened objects fall onto the sieve plate body 32, the front buffer strut 33 and the rear buffer strut 34 deform under the action of gravity of the screened objects to play a buffer role; the buffer spring 45 sleeved outside the buffer rod 44 can enable the left and right positions of the sieve plate device 3 and the sieve plate body 32 to reset after moving and buffer when moving left and right, and the buffer rod 44 is made of polyurethane materials and is matched with the sieve plate device 3 and the sieve plate body 32 to deform when vibrating up and down, so that the buffer rod cannot interfere with the sieve plate device 3 and the sieve plate body 32 when vibrating up and down; the stopper 42 is used in cooperation with the stopper 421, and the stopper 421 can limit the stopper 42, that is, prevent the sieve plate device 3 from being separated from the outside of the buffer tank 2 when moving left and right in the buffer tank 2.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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

1. A high elasticity automatically cleaning does not hang hair sieve which characterized in that: the sieve plate outer frame comprises a sieve plate outer frame (1), the sieve plate outer frame (1) is of a rectangular frame structure, buffer grooves (2) are symmetrically arranged on left and right inner side walls of the sieve plate outer frame (1), a sieve plate device (3) is movably arranged in the sieve plate outer frame (1), the sieve plate device (3) comprises a sieve plate body seat (31), the sieve plate body seat (31) is of a rectangular frame-shaped structure, a sieve plate body (32) is movably arranged in the sieve plate body seat (31), a front buffer supporting rod (33) and a rear buffer supporting rod (34) are respectively arranged at the front end and the rear end of the bottom surface of the sieve plate body seat (31) in parallel, the front buffer supporting rod (33) and the rear buffer supporting rod (34) are identical in size and structure, buffer devices (4) are respectively and fixedly arranged between the corresponding two ends of the front buffer supporting rod (33) and the rear buffer supporting rod (34), each buffer device (4) comprises a buffer seat (41), and each buffer, The buffer seat (41) is respectively and movably arranged in the buffer grooves (2) on the left inner side wall and the right inner side wall of the outer frame (1) of the sieve plate between the other ends of the front buffer supporting rod (33) and the rear buffer supporting rod (34), the top surface of the buffer seat (41) is fixedly provided with a limiting block (42), the inner wall of the opening top surface of the buffer groove (2) is fixedly provided with a stop block (421), the bottom surface of the buffer seat (41) is provided with a plurality of upper vibrating rods (43) in parallel at intervals, the side wall of the buffer seat (41) is horizontally provided with a plurality of buffer rods (44), the buffer rods (44) respectively and movably penetrate through the left inner side wall and the right inner side wall of the outer frame (1) of the sieve plate, the buffer springs (45) are sleeved outside the buffer rods (44), two ends of the buffer springs (45) are respectively and fixedly connected to the inner wall of the buffer groove (2) and the side wall of the buffer, the upper vibrating rod (43) is in contact with the lower vibrating rod (46).

2. A highly elastic self-cleaning lint-free screen plate as claimed in claim 1, wherein: sieve plate body (32) include sieve plate body frame (321), sieve plate body frame (321) are the rectangular frame structure, the activity of sieve plate body frame (321) sets up in sieve plate body seat (31), be provided with a plurality of horizontal grating (322) along length direction interval side by side in sieve plate body frame (321), be provided with a plurality of vertical grating (323) along width direction interval side by side in sieve plate body frame (321), horizontal grating (322) and vertical grating (323) are wavy, crisscross setting forms latticed between horizontal grating (322) and vertical grating (323), and the trough of horizontal grating (322) all is located the crest below of vertical grating (323), the crest of horizontal grating (322) and the crest of vertical grating (323) are on same plane.

3. A highly elastic self-cleaning lint-free screen plate as claimed in claim 1, wherein: buffer seat (41) and sieve body seat (31) between the interval set up, preceding buffering branch (33) and back buffering branch (34) are hollow column structure, fixed connection between the top of preceding buffering branch (33) and back buffering branch (34) and the bottom surface of sieve body seat (31), the bottom of preceding buffering branch (33) and back buffering branch (34) is the arc form.

4. A highly elastic self-cleaning lint-free screen plate as claimed in claim 1, wherein: still all be provided with guide bar spout (21) on the opposition lateral wall of buffer slot (2) horizontally, still be provided with a plurality of guide bars (411) on the lateral wall of buffer seat (41), the length direction of guide bar spout (21) and guide bar (411) is parallel with the length direction of buffer beam (44), the position of guide bar (411) corresponds with the position of guide bar spout (21), and guide bar (411) slide and set up in the guide bar spout (21) of relevant position.

5. A highly elastic self-cleaning lint-free screen plate as claimed in claim 1, wherein: the upper vibrating rods (43) are parallel to the lower vibrating rods (46), the cross sections of the upper vibrating rods (43) and the cross sections of the lower vibrating rods (46) are semicircular, the distance between every two adjacent upper vibrating rods (43) is larger than the distance between every two adjacent lower vibrating rods (46), and the cambered surfaces of the upper vibrating rods (43) and the lower vibrating rods (46) are in contact.

6. A highly elastic self-cleaning lint-free screen plate as claimed in claim 1, wherein: the top of the limiting block (42) and the bottom of the stop block (421) are both inclined planes, the top of the limiting block (42) is parallel to the bottom of the stop block (421), and the limiting block (42) is located between the bottom surface of the buffer groove (2) and the stop block (421).

7. A highly elastic self-cleaning lint-free screen plate as claimed in claim 3, wherein: the sieve plate body seat (31) is also internally provided with an annular groove (5), the sieve plate body frame (321) is matched with the annular groove (5) in size, the sieve plate body frame (321) is positioned in the annular groove (5), and the height of the sieve plate body frame (321) is equal to or less than that of the annular groove (5).

8. A highly elastic self-cleaning lint-free screen plate as claimed in claim 2, wherein: the buffer rod (44) and the sieve plate body (32) are both made of polyurethane materials.