CN214515998U

CN214515998U - Vibrating screen

Info

Publication number: CN214515998U
Application number: CN202120219817.3U
Authority: CN
Inventors: 金永平
Original assignee: Shanghai Pudong Concrete Products Co ltd
Current assignee: Shanghai Pudong Concrete Products Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-29
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a vibrating screen, relate to the field of filter screening equipment, it includes reel and screen cloth, the reel includes two curb plates, still include cleaning device, cleaning device includes the motor, reciprocal lead screw, sliding block and spray pipe, reciprocal lead screw rotates to be connected on one of them curb plate and along the length direction setting of curb plate, fixedly connected with motor on the curb plate, reciprocal lead screw and the output shaft fixed connection and the coaxial setting of motor, sliding block threaded connection is on reciprocal lead screw, one side that sliding block kept away from the curb plate is located to the spray pipe, go back fixedly connected with inlet tube on the spray pipe, the one end and the external water resource intercommunication that the spray pipe just was kept away from to inlet tube and spray pipe intercommunication each other. The problem of adhere to cement easily on the screen cloth and block up the sieve mesh on having improved to make the screen cloth lose the efficiency of screening, this application has and obtains the clearance after the shale shaker finishes work, makes on the shale shaker difficult to adhere to cement, has improved the availability factor and the life's of shale shaker effect.

Description

Vibrating screen

Technical Field

The application relates to the field of filter screening equipment, in particular to a vibrating screen.

Background

The cement vibrating screen has reasonable structure, unique and novel structure, adopts the vibrating motor as the exciting source, throws the material to achieve the purpose of screening treatment, changes the defects of blocking, sticking and difficult screen replacement of the rotary screen and the connecting rod reciprocating screen, and is widely used for screening out foreign matters of cement, lime and similar powdery materials so as to ensure the safe operation of conveying equipment and packaging equipment.

In the related art, for example, chinese patent with publication No. CN204724445U discloses a cement vibrating screen, which comprises a supporting frame, a spring is arranged at the upper end of the supporting frame, a screen frame is connected to the upper end of the spring, the screen frame is integrally arranged in an inclined manner, a discharge port is arranged at the lower end of the screen frame, two layers of obliquely arranged screens are arranged in the screen frame, a vibrator is fixedly installed on the outer wall of the screen frame, and an included angle between the screens and the horizontal plane is 6-9 °. The utility model discloses structural design is simple and reasonable, and the quality of product is guaranteed to the quality of improvement production efficiency and product that can be very big, when coming good benefit for the enterprise, for operation workman's the very big convenience in having brought the operation, reduces its work load.

In view of the above-mentioned related arts, the inventors believe that cement is likely to adhere to the screen mesh after the vibration is finished to block the screen mesh, thereby losing the screening efficiency of the screen mesh, and have room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve and to adhere to cement easily on the screen cloth and block up the sieve mesh to make the screen cloth lose the problem of the efficiency of screening, this application provides a shale shaker.

The application provides a shale shaker adopts following technical scheme:

a vibrating screen comprises a screen frame and a screen mesh, wherein the screen frame comprises two side plates, two sides of the screen mesh are respectively arranged on the two side plates, the vibrating screen also comprises a cleaning device, the cleaning device comprises a motor, a reciprocating screw rod, a sliding block and a water spray pipe, the reciprocating screw rod is rotationally connected to one of the side plates and is arranged along the length direction of the side plates, the side plate is fixedly connected with a motor, the reciprocating screw rod is fixedly connected with an output shaft of the motor and is coaxially arranged, the sliding block is connected with the reciprocating screw rod in a threaded manner and slides along the length direction of the multifilament rod, the sliding block is abutted against the side plate, the water spray pipe is arranged on one side of the sliding block far away from the side plate, a plurality of nozzles are arranged on the water spray pipe, the water spraying pipe is fixedly connected with a water inlet pipe, and the water inlet pipe is communicated with the water spraying pipe, and one end of the water inlet pipe, which is far away from the water spraying pipe, is communicated with external water resources.

Through adopting above-mentioned technical scheme, through the spout rivers in the nozzle on the spray pipe clear up the screen cloth to make and obtain the clearance after the shale shaker finishes work, make difficult attached to cement on the shale shaker, improved the availability factor and the life of shale shaker.

Optionally, one side of the side plate, which is far away from the sliding block and close to the water spray pipe, is fixedly connected with a guide rod, the guide rod is sleeved and connected with the guide block in a sliding manner, and one side of the guide block, which is far away from the side plate, is arranged at one end, which is far away from the sliding block, of the water spray pipe.

Through adopting above-mentioned technical scheme, the setting of guide bar, the guide spray pipe slides along the length direction of guide bar for difficult rocking when the spray pipe slides along the sliding block, the level that remains throughout slides, has improved the water spray stability of spray pipe.

Optionally, one end of the water spraying pipe is rotatably connected to the sliding block, the other end of the water spraying pipe is rotatably connected to the guide block, and a locking assembly for fixing the relative position between the water spraying pipe and the sliding block is arranged on one side of the water spraying pipe close to the sliding block.

Through adopting above-mentioned technical scheme, the spray pipe rotates to be connected on sliding block and guide block, then locks the spray pipe through the locking Assembly for the spray pipe can adjust the spray angle to on the screen cloth, thereby makes the spray range increase of spray pipe, has improved the injection efficiency of spray pipe.

Optionally, the locking subassembly includes backup pad and locking lever, backup pad fixed connection is in the spray pipe one side of being close to the sliding block, the locking lever wears to establish and slides in the backup pad along the length direction of spray pipe, be equipped with a plurality of locking grooves that set up along the circumference of spray pipe on the sliding block, the locking lever inserts locking inslot.

Through adopting above-mentioned technical scheme, locking lever inserts the locking inslot that corresponds for angle between spray pipe and the sliding block is fixed, makes the spray pipe be difficult for rocking when spraying, has improved the stability of spouting in the spray pipe course of operation.

Optionally, the locking assembly further includes a compression spring and a driving ring, the driving ring is fixedly connected to the locking rod, the driving ring abuts against the sliding block, the compression spring is sleeved on the locking rod, one end of the compression spring abuts against the supporting plate, and the other end of the compression spring abuts against the driving ring.

Through adopting above-mentioned technical scheme, order about the one side removal of drive ring to the sliding block through compression spring, locking lever is difficult for following the inslot and slideing out after inserting locking inslot, has improved the locking stability of locking subassembly.

Optionally, a fixedly connected with supporting cylinder is gone up to the nozzle, wear to establish and rotate in the supporting cylinder and be connected with the rotation post, the downside fixedly connected with shrouding of rotation post, the shrouding butt in the lower extreme of nozzle.

Through adopting above-mentioned technical scheme, the shrouding can rotate for the opening size that the nozzle cooperation shrouding formed can be adjusted, and the velocity of water flow that flows out in the nozzle can be adjusted, thereby adapts to the cement under the different dry condition, has improved cleaning device's clearance scope.

Optionally, the rotating column is fixedly connected with a stirring sheet, and the supporting cylinder is provided with a sliding hole for the stirring sheet to penetrate and slide.

By adopting the technical scheme, the arrangement of the poking piece limits the positions of the rotating column and the supporting cylinder on one hand, so that the rotating column is not easy to separate from the supporting cylinder, and the rotating stability of the rotating column is improved; on the other hand, the holding area of the rotating column is increased, a user can rotate the rotating column conveniently by operating the poking piece, and the rotating efficiency of the rotating column is improved.

Optionally, the shrouding includes metal portion and rubber portion, metal portion fixed connection is on rotating the post, rubber portion fixed connection is in the upside of metal portion, one side butt in the end wall of the opening part of nozzle that metal portion was kept away from to the rubber portion.

By adopting the technical scheme, the rubber part is arranged, so that on one hand, water flow is not easy to flow out of the nozzle when the nozzle is sealed by the sealing plate, and the sealing performance of the sealing plate on the opening of the nozzle is improved; on the other hand, the frictional force between the end wall of shrouding and nozzle has been increased for the shrouding is difficult for rocking when rotating to a certain position, has improved the stability that the shrouding adjusted the opening size.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the vibrating screen finishes working, the cleaning is carried out, so that cement is not easy to adhere to the vibrating screen, the use efficiency of the vibrating screen is improved, and the service life of the vibrating screen is prolonged;

2. the locking assembly locks the water spray pipe, so that the water spray pipe can adjust the spraying angle on the screen, the spraying range of the water spray pipe is enlarged, and the spraying efficiency of the water spray pipe is improved;

3. the setting of rubber portion for rivers are difficult for flowing out in the nozzle when the shrouding seals the nozzle, have improved the leakproofness of shrouding to the opening part of nozzle.

Drawings

Fig. 1 is a schematic structural view of a vibrating screen in an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a screen frame; 11. a side plate; 2. screening a screen; 3. a cleaning device; 31. a motor; 32. a reciprocating screw rod; 33. a sliding block; 331. a locking groove; 34. a water spray pipe; 341. a nozzle; 342. a water inlet pipe; 343. a support cylinder; 3431. a sliding hole; 344. closing the plate; 3441. a metal part; 3442. a rubber part; 345. rotating the column; 3451. a toggle sheet; 35. a guide bar; 36. a guide block; 37. a locking assembly; 371. a support plate; 372. a locking lever; 373. a compression spring; 374. driving the ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a vibrating screen. Referring to fig. 1, the vibrating screen includes a screen frame 1, a screen 2, and a cleaning device 3.

The screen frame 1 includes two side plates 11, and two opposite side walls of the screen 2 are respectively installed on opposite side walls of the two side plates 11 to screen the entering cement.

The cleaning device 3 is installed on the screen 2 to clean the screen holes on the screen 2.

The cleaning device 3 comprises a motor 31, a reciprocating screw rod 32, a sliding block 33, a water spraying pipe 34, a guide rod 35 and a guide block 36.

The motor 31 is fixedly connected to the side wall of one side plate 11 far away from the other side plate 11, the reciprocating screw rod 32 is rotatably connected to the side wall of the side plate 11 far away from the other side plate 11, the reciprocating screw rod 32 is arranged along the length direction of the side plate 11, the reciprocating screw rod 32 is fixedly connected to the output shaft of the motor 31, the reciprocating screw rod 32 and the output shaft of the motor 31 are coaxially arranged, and the motor 31 drives the reciprocating screw rod 32 to rotate.

The sliding block 33 is in threaded connection with the reciprocating screw rod 32, the water spraying pipe 34 is rotationally connected to one side, far away from the side plate 11 provided with the reciprocating screw rod 32, of the sliding block 33, the other side of the water spraying pipe 34 is rotationally connected to the guide block 36, the guide rod 35 is fixedly connected to one side, far away from the water spraying pipe 34, of the side plate 11 opposite to the side plate 11 provided with the reciprocating screw rod 32, the guide block 36 is sleeved and is connected to the guide rod 35 in a sliding mode, and therefore the water spraying pipe 34 is always arranged in parallel with the screen 2. The spray pipe 34 is provided with a plurality of nozzles 341, the nozzles 341 are arranged along the length direction of the spray pipe 34, the spray pipe 34 is also fixedly connected with a water inlet pipe 342, the inside of the water inlet pipe 342 is communicated with the spray pipe 34, and one end of the water inlet pipe 342, which is far away from the spray pipe 34, is communicated with external water resources, so that external water enters the spray pipe 34 and then is sprayed out from the nozzles 341 to clean the screen 2.

Referring to fig. 2, a locking assembly 37 is installed on a side of the spray pipe 34 close to the sliding block 33, so that the spray pipe 34 and the sliding block 33 and the guide block 36 are not easy to rotate.

The locking assembly 37 includes a support plate 371, a locking lever 372, a compression spring 373, and a drive ring 374.

Backup pad 371 fixed connection is on the lateral wall of spray pipe 34, locking lever 372 wear to locate on backup pad 371 and with spray pipe 34 parallel arrangement, be equipped with a plurality of locking grooves 331 on the sliding block 33, locking groove 331 sets up along the circumference of spray pipe 34, locking groove 331 is corresponding with locking lever 372, locking lever 372 inserts in the locking groove 331 that corresponds for spray pipe 34 is fixed.

The driving ring 374 is sleeved and fixedly connected to the locking rod 372, and the driving ring 374 is located on one side of the support plate 371 close to the sliding block 33. The compression spring 373 is sleeved on the locking lever 372, one end of the compression spring 373 abuts against the support plate 371, and the other end of the compression spring 373 abuts against the drive ring 374, so that the locking lever 372 fixedly connected with the drive ring 374 is driven to move to one side of the locking groove 331.

Referring to fig. 3, a support cylinder 343 is fixedly connected to a side wall of the nozzle 341, a rotation column 345 is rotatably connected to the support cylinder 343, the rotation column 345 extends out of a lower side of the support cylinder 343, a sliding hole 3431 is formed in the side wall of the support cylinder 343, the sliding hole 3431 is circumferentially formed along the side wall of the support cylinder 343, a dial plate 3451 is fixedly connected to the rotation column 345, and the dial plate 3451 penetrates through and slides in the sliding hole 3431, so that a user can rotate the rotation column 345 through the dial plate 3451.

A sealing plate 344 is fixedly connected to the lower end of the rotary column 345, and the size of the sealing plate 344 is the same as that of the opening of the nozzle 341, so that the size of the opening of the nozzle 341 can be adjusted. The sealing plate 344 includes a metal part 3441 and a rubber part 3442, the metal part 3441 is rotatably connected to the lower side of the rotation column 345, the rubber part 3442 is adhered to the upper side of the metal part 3441, and the rubber part 3442 abuts on the end wall of the lower end of the nozzle 341, so that the frictional force between the sealing plate 344 and the nozzle 341 is increased.

The implementation principle of the vibrating screen in the embodiment of the application is as follows: after the shale shaker is accomplished cement screening, according to the actual conditions of screen cloth 2, the plectrum 3451 of gripping, order to rotate post 345 and drive shrouding 344 rotation, adjust the opening size of every nozzle 341, then pulling locking lever 372 and rotate spray pipe 34, when spray pipe 34 is located required angle, loosen locking lever 372, locking lever 372 inserts the locking inslot that corresponds under compression spring 373's effect and locks, open motor 31, order to reciprocate lead screw 32 and rotate thereby drive spray pipe 34 reciprocating motion, open outside water pump, make rivers spray to screen cloth 2 in from spray pipe 34 on, clear up screen cloth 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vibrating screen, includes reel (1) and screen cloth (2), reel (1) includes two curb plates (11), two are located respectively to the both sides of screen cloth (2) on curb plate (11), its characterized in that: the cleaning device comprises a motor (31), a reciprocating screw rod (32), a sliding block (33) and a water spraying pipe (34), wherein the reciprocating screw rod (32) is rotatably connected to one of the side plates (11) and arranged along the length direction of the side plate (11), the motor (31) is fixedly connected to the side plate (11), the reciprocating screw rod (32) is fixedly connected with and coaxially arranged with an output shaft of the motor (31), the sliding block (33) is in threaded connection with the reciprocating screw rod (32) and slides along the length direction of the reciprocating screw rod (32), the sliding block (33) is abutted to the side plate (11), the water spraying pipe (34) is arranged on one side, away from the side plate (11), of the sliding block (33), a plurality of nozzles (341) are arranged on the water spraying pipe (34), and a water inlet pipe (342) is fixedly connected to the water spraying pipe (34), the water inlet pipe (342) is communicated with the spray pipe (34), and one end of the water inlet pipe, which is far away from the spray pipe (34), is communicated with the external water resource.

2. A vibratory screen as set forth in claim 1 wherein: keep away from sliding block (33) curb plate (11) are close to one side fixedly connected with guide bar (35) of spray pipe (34), the cover is established and is slided and be connected with guide block (36) on guide bar (35), the one side that lateral plate (11) were kept away from in guide block (36) is located spray pipe (34) and is kept away from the one end of sliding block (33).

3. A vibratory screen as set forth in claim 2 wherein: one end of the water spraying pipe (34) is rotatably connected to the sliding block (33), the other end of the water spraying pipe (34) is rotatably connected to the guide block (36), and a locking assembly (37) for fixing the relative position between the water spraying pipe (34) and the sliding block (33) is arranged on one side, close to the sliding block (33), of the water spraying pipe (34).

4. A vibratory screen as set forth in claim 3 wherein: locking subassembly (37) include backup pad (371) and locking lever (372), backup pad (371) fixed connection is close to one side of sliding block (33) in spray pipe (34), locking lever (372) wear to establish and slide on backup pad (371) along the length direction of spray pipe (34), be equipped with a plurality of locking grooves (331) that set up along the circumference of spray pipe (34) on sliding block (33), locking lever (372) insert in locking groove (331).

5. A vibratory screen as set forth in claim 4 wherein: the locking assembly (37) further comprises a compression spring (373) and a driving ring (374), the driving ring (374) is fixedly connected to the locking rod (372), the driving ring (374) abuts against the sliding block (33), the compression spring (373) is sleeved on the locking rod (372), one end of the compression spring (373) abuts against the supporting plate (371), and the other end of the compression spring (373) abuts against the driving ring (374).

6. A vibratory screen as set forth in claim 1 wherein: the nozzle (341) is further fixedly connected with a support cylinder (343), the support cylinder (343) is internally penetrated and rotatably connected with a rotating column (345), a sealing plate (344) is fixedly connected to the lower side of the rotating column (345), and the sealing plate (344) abuts against the lower end of the nozzle (341).

7. A vibratory screen as set forth in claim 6, wherein: the rotating column (345) is fixedly connected with a poking piece (3451), and the supporting cylinder (343) is provided with a sliding hole (3431) for the poking piece (3451) to penetrate and slide.

8. A vibratory screen as set forth in claim 6, wherein: the sealing plate (344) comprises a metal part (3441) and a rubber part (3442), the metal part (3441) is fixedly connected to the rotating column (345), the rubber part (3442) is fixedly connected to the upper side of the metal part (3441), and one side, far away from the metal part (3441), of the rubber part (3442) abuts against the end wall of the opening of the nozzle (341).