CN209736024U - Vibrating screen beneficial to protecting screen mesh structure - Google Patents

Abstract

The utility model belongs to the technical field of screening equipment, a be favorable to protecting shale shaker of screen cloth structure is related to, which comprises a housing, the pan feeding mouth is connected with the rotary drum in a rotating way, the rotary drum is arranged along the direction perpendicular to the screen cloth, the outer side wall of the rotary drum is fixedly sleeved with a first control gear, the housing is connected with a second control gear which is rotationally engaged with the first control gear in a rotating way, the housing is fixedly connected with a control motor for rotating the second control gear, the rotary drum is connected with a rotating shaft in a rotating way near the side wall of one side of the screen cloth, the rotating shaft is arranged along the direction parallel to the screen cloth, the rotating shaft is fixedly connected with a guide plate, the guide plate is horizontally arranged along the direction perpendicular to the shaft body of the; the utility model discloses have and to make the material evenly arrange on the screen cloth, make the screen cloth atress even, protect the screen cloth structure to guarantee the effect of the screening quality of screen cloth.

Description

Vibrating screen beneficial to protecting screen mesh structure

Technical Field

The utility model belongs to the technical field of the technique of screening equipment and specifically relates to a be favorable to protecting screen cloth structure's shale shaker is related to.

background

The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. And the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers.

The vibrating screen of asphalt mixer is an important part, which is to fine screen hot stone material at 160 deg.c into several kinds of stone material of different grain sizes, and its screening capacity determines the production rate of the mixer. Conventional screening in-process material falls on the blanking net relatively more concentrated through the feed inlet, and the local material major part of in-process screen cloth that shakes at shock dynamo can shake in part, then relatively fast to screen cloth local wear, and simultaneously under the effect of pressure, the part of screen cloth can just so make the structure of screen cloth change, and the local check of screen cloth is apart from can the grow to destroy the structure of screen cloth, influence the screening quality of screen cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be favorable to protecting screen cloth structure's shale shaker, it has can make the material evenly arrange on the screen cloth, makes the screen cloth atress even, protects screen cloth structure to guarantee the effect of the screening quality of screen cloth.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a vibrating screen beneficial to protecting a screen mesh structure comprises a shell, a vibrating box body arranged in the shell, a feeding port arranged on the shell and communicated with the vibrating box body, and a plurality of screen meshes arranged in the vibrating box body, wherein a rotary drum is connected to the feeding port in a rotating manner and is arranged in a direction vertical to the screen meshes, a first control gear is fixedly sleeved on the outer side wall of the rotary drum, a second control gear which is rotatably meshed with the second control gear is rotatably connected to the shell, a control motor for rotating the second control gear is fixedly connected to the shell, a rotary shaft is rotatably connected to the side wall of the rotary drum close to one side of the screen meshes and is arranged in a direction parallel to the screen meshes, a guide plate is fixedly connected to the rotary shaft and is horizontally arranged in a direction vertical to the shaft body of the rotary shaft, and a first driving motor for rotating the rotary shaft, and a speed reducer is arranged on the first driving motor.

Through adopting above-mentioned technical scheme, when the material is emptyd on the screen cloth through the pan feeding mouth, start driving motor one, driving motor one drives the pivot and rotates, the pivot drives a guide plate pivot and rotates as the centre of a circle, simultaneously, the guide plate is at the pivoted in-process, it drives the rotary drum rotation to control the motor, thereby make the material driven to distribute on the screen cloth, this kind of setting can avoid the material to pile up in the local position of screen cloth, make the screen cloth atress even, the protection screen cloth structure, thereby guarantee the screening quality of screen cloth.

The utility model discloses further set up to: the vibrating screen is characterized in that sliding grooves are symmetrically formed in the side walls symmetrically arranged on the vibrating box body along the direction parallel to the screen, sliding blocks are connected to the sliding grooves in a sliding mode, a push plate used for pushing materials is fixedly connected between the sliding blocks, and a driving device used for pushing the sliding blocks to move is arranged in the sliding grooves.

Through adopting above-mentioned technical scheme, the push pedal can promote the material on the screen cloth, makes the material arrange more evenly on the screen cloth to improve the even degree that the material was arranged, make the material filter more thoroughly when protecting the screen cloth structure.

the utility model discloses further set up to: the driving device comprises a lead screw shaft and a lead screw nut, the lead screw shaft is rotatably connected in the sliding groove, the lead screw nut is rotatably connected on the lead screw shaft, the lead screw shaft is arranged along the length direction of the sliding groove, a through groove which is in fit penetrating connection with the lead screw shaft is formed in the sliding block, the lead screw nut is fixedly connected to the inner wall of the through groove, and the end part of the sliding groove is fixedly connected with a second driving motor which is used for rotating the lead screw shaft.

Through adopting above-mentioned technical scheme, start driving motor two, driving motor two drives the lead screw axle and rotates, and the lead screw axle is at the pivoted in-process, and lead screw nut drives the slider and removes to drive the push pedal and remove. The driving device has small noise in the driving process, and the screw shaft is stably meshed with the screw nut, so that the stable movement of the push plate is facilitated.

The utility model discloses further set up to: the driving device comprises a rack fixedly connected to the sliding block, a rotating gear rotatably connected to the sliding groove and meshed with the rack in a rotating mode, and a third driving motor fixedly connected to the side wall of the sliding groove and used for rotating the rotating gear.

Through adopting above-mentioned technical scheme, driving motor three drives the running gear and rotates, and the running gear drives the rack and removes in the rotation process to make the push pedal remove, the meshing drive power of running gear and rack is big, and the meshing is stable, is favorable to the steady removal of push pedal.

The utility model discloses further set up to: the side wall of the rack is fixedly connected with a first guide rod, the first guide rod is arranged along the length direction of the rack, and a first guide groove matched with the first guide rod in a sliding mode is formed in the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, the cooperation of guide bar one and guide way is slided, is favorable to the rack to remain stable when removing to make the push pedal keep steady at the removal in-process.

The utility model discloses further set up to: and a second guide rod is fixedly connected to the side wall of the sliding block, the second guide rod is arranged along the length direction of the sliding groove, and a second guide groove matched with the second guide rod in a sliding manner is formed in the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, the cooperation of guide bar two and guide way two is removed and is favorable to the slider to keep steady state at the removal in-process, avoids the slider to take place to rock at the removal in-process, is favorable to the steady removal of push pedal.

The utility model discloses further set up to: and a plurality of steel balls are embedded on the side wall of the sliding block and are attached to the bottom surface of the sliding groove to slide.

Through adopting above-mentioned technical scheme, the setting of steel ball can reduce the frictional force between slider and the spout, can make the slider slip more smooth.

The utility model discloses further set up to: the included angle of the push plate is arranged in an arc shape.

Through adopting above-mentioned technical scheme, circular-arc contained angle can avoid the push pedal to bump between the lateral wall of slip in-process and vibration box, reduces the frictional force between push pedal and the material, is favorable to the normal removal of push pedal.

To sum up, the utility model discloses a beneficial technological effect does:

1. Through the arrangement of the rotating shaft, the guide plate and the first driving motor, materials can be prevented from being accumulated at the local position of the screen, so that the screen is uniformly stressed, the structure of the screen is protected, and the screening quality of the screen is ensured;

2. Through push pedal, drive arrangement's setting, can play and promote the material on the screen cloth, make the material arrange more evenly on the screen cloth to improve the even degree that the material was arranged, make the material filter more thorough effect when protecting the screen cloth structure.

Drawings

FIG. 1 is a schematic view of the overall structure of a vibrating screen of the present invention;

FIG. 2 is a schematic structural diagram of a cross-sectional view of a baffle used in an embodiment;

FIG. 3 is a schematic view of an enlarged view at A in FIG. 2;

FIG. 4 is a schematic sectional view showing a chute structure in embodiment 1;

FIG. 5 is a schematic view showing an enlarged view at B in FIG. 4;

Fig. 6 is a schematic structural view for embodying the driving apparatus in embodiment 2.

in the figure, 1, a housing; 2. vibrating the box body; 3. a spring; 4. a feeding port; 5. a feeding channel; 6. screening a screen; 7. a rotating drum; 8. controlling a first gear; 9. a second control gear; 10. controlling a motor; 11. a rotating shaft; 12. a baffle; 13. driving a motor I; 15. a chute; 16. a slider; 17. pushing the plate; 18. a drive device; 181. a screw shaft; 182. a lead screw nut; 183. a rack; 184. a rotating gear; 19. a through groove; 20. a second driving motor; 21. a second guide rod; 22. a second guide groove; 23. steel balls; 24. driving a motor III; 25. a first guide rod; 26. and a first guide groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model provides a be favorable to protecting shale shaker of screen cloth structure, refer to fig. 1, including casing 1, casing 1 is the cuboid setting, 1 inside vibrating box 2 that is provided with of casing, be connected with spring 3 between vibrating box 2 and the casing 1, pan feeding mouth 4 with 2 through connections of vibrating box is seted up to the top of casing 1, fixedly connected with pan feeding passageway 5 on the pan feeding mouth 4, pan feeding passageway 5 is circular setting, along 4 layers of screen cloth 6 of horizontal direction fixedly connected with in the vibrating box, leave the space between every layer of screen cloth 6, it is connected with rotary drum 7 (refer to fig. 2) to rotate in the pan feeding passageway 5, rotary drum 7 sets up along the 6 directions of perpendicular to screen cloth, fixed cover is equipped with control gear 8 on the lateral wall of rotary drum 7, the side of rotary drum 7 is provided with and rotates two 9 of control gear 8 rotation meshing's control gear, two 9 rotations of control gear. And a control motor 10 for rotating the second control gear 9 is fixedly connected to the upper side wall of the shell 1.

Referring to fig. 2 and 3, the bottom lateral wall of rotary drum 7 is gone up to rotate and is connected with pivot 11, and pivot 11 sets up along being on a parallel with 6 directions of screen cloth, fixedly connected with guide plate 12 in the pivot 11, and guide plate 12 is the setting of cuboid and sets up along the 11 axle body directions of perpendicular to pivot, and one side lateral wall and the 11 axle body laminating of pivot of guide plate 12, fixedly connected with is used for rotating the driving motor 13 of pivot 11 on the rotary drum 7, is provided with the reduction gear on the driving motor 13. In the process that the materials are poured onto the screen 6 through the feeding port 4, the rotary drum 7 is driven to rotate by the control motor 10, and meanwhile, the rotating shaft 11 is driven to rotate by the driving motor I13. This kind of setting can avoid the material to pile up in the local position of screen cloth 6, makes screen cloth 6 atress even, protects screen cloth 6 structure to guarantee the effect of the screening quality of screen cloth 6.

Referring to fig. 4 and 5, spout 15 has been seted up along the direction symmetry that is on a parallel with screen cloth 6 on the left and right sides lateral wall of vibration box 2, spout 15 is located screen cloth 6 top, the transversal cuboid setting of personally submitting of spout 15, equal sliding connection has slider 16 in spout 15, fixedly connected with is used for promoting the push pedal 17 of material between the slider 16, push pedal 17 is the cuboid setting, push pedal 17 sets up along perpendicular to screen cloth 6 direction, leave certain clearance between screen cloth 6 and the push pedal 17, be provided with the drive arrangement 18 that is used for promoting slider 16 to remove in the spout 15. The driving device 18 includes a screw shaft 181 rotatably coupled to the slide slot 15, and a screw nut 182 rotatably coupled to the screw shaft 181, and the screw shaft 181 is provided along the longitudinal direction of the slide slot 15. A through groove 19 which is matched with the screw shaft 181 and penetrates through the slider 16 is formed in the slider, the through groove 19 is arranged in a cuboid shape, the screw nut 182 is fixedly connected to the inner wall of the through groove 19, and the end part of the sliding groove 15 is fixedly connected with a second driving motor 20 for rotating the screw shaft. And starting the second driving motor 20, wherein the second driving motor 20 drives the screw shaft 181 to rotate, and in the rotating process of the screw shaft 181, the screw nut 182 drives the slider 16 to move, so as to drive the push plate 17 to move. The push plate 17 can promote the material on the screen cloth 6, and the material is more evenly arranged on the screen cloth 6, so that the material arrangement uniformity is improved, and the material is more thoroughly filtered while the structure of the screen cloth 6 is protected. The driving device 18 has low noise in the driving process, and the screw shaft 181 is stably meshed with the screw nut 182, so that the stable movement of the push plate 17 is facilitated.

Wherein, the included angle of the push plate 17 is arranged in a circular arc shape (not shown in the figure). The arc included angle can avoid the push plate 17 to collide with the side wall of the vibration box body 2 in the sliding process, so that the friction force between the push plate 17 and the material is reduced, and the normal movement of the push plate 17 is facilitated.

referring to fig. 4 and 5, a second guide rod 21 is fixedly connected to the bottom surface of the slider 16, the second guide rod 21 is arranged along the length direction of the sliding slot 15, and a second guide slot 22 which is matched with the second guide rod 21 to slide is formed in the side wall of the sliding slot 15. The second guide rod 21 and the second guide groove 22 move in a matching manner, so that the slider 16 can be kept in a stable state in the moving process, the slider 16 is prevented from shaking in the moving process, and the stable movement of the push plate 17 is facilitated.

Referring to fig. 4 and 5, a plurality of steel balls 23 are embedded on the bottom surface of the slider 16, the steel balls 23 are linearly arranged along a horizontal line, and the steel balls 23 are attached to and slide on the bottom surface of the chute 15. The arrangement of the steel balls 23 can reduce the friction force between the sliding block 16 and the sliding groove 15, so that the sliding block 16 can slide more smoothly.

Example 2: referring to fig. 6, a vibrating screen beneficial to protecting a screen structure is different from that of embodiment 1 in that a driving device 18 includes a rack 183 fixedly connected to an upper surface of a sliding block 16, a rotating gear 184 rotatably connected to a sliding chute 15 and rotatably engaged with the rack 183, the rack 183 is disposed along a length direction of the sliding block 16, the rotating gear 184 is located at a middle position of the sliding chute 15, and a driving motor three 24 for rotating the rotating gear 184 is fixedly connected to a side wall of the sliding chute 15. The third driving motor 24 drives the rotating gear 184 to rotate, and the rotating gear 184 drives the rack 183 to move in the rotating process, so that the push plate 17 moves, the meshing driving force of the rotating gear 184 and the rack 183 is large, the meshing is stable, and the stable movement of the push plate 17 is facilitated.

Referring to fig. 6, a first guide rod 25 is fixedly connected to the side wall of the rack 183, the first guide rod 25 is cylindrically arranged and arranged along the length direction of the rack 183, and a first guide groove 26 which is matched with the first guide rod 25 to slide is formed in the side wall of the sliding groove 15. The first guide rod 25 and the first guide groove 26 are matched to slide, so that the rack 183 is kept stable during movement, and the push plate 17 is kept stable during movement.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a be favorable to protecting shale shaker of screen cloth structure, includes casing (1), sets up vibrating box (2) in casing (1), set up pan feeding mouth (4) on casing (1) and vibrating box (2) through connection, a plurality of screen cloth (6) that set up in vibrating box (2), its characterized in that: the feeding device is characterized in that a rotary drum (7) is rotatably connected to the feeding port (4), the rotary drum (7) is arranged along the direction perpendicular to the screen (6), a first control gear (8) is fixedly sleeved on the outer side wall of the rotary drum (7), a second control gear (9) which is rotatably meshed with the first control gear (8) is rotatably connected to the shell (1), a control motor (10) which is used for rotating the second control gear (9) is fixedly connected to the shell (1), a rotary shaft (11) is rotatably connected to the side wall, close to the screen (6), of the rotary drum (7), the rotary shaft (11) is arranged along the direction parallel to the screen (6), a guide plate (12) is fixedly connected to the rotary shaft (11), the guide plate (12) is horizontally arranged along the direction perpendicular to the shaft body of the rotary shaft (11), and a first driving motor (13) which is used for rotating the rotary shaft (11) is fixedly, and a speed reducer is arranged on the first driving motor (13).

2. A shaker screen assembly as claimed in claim 1, wherein the screen assembly comprises: the vibrating screen is characterized in that sliding grooves (15) are symmetrically formed in the side wall, symmetrically arranged on the vibrating box body (2), of the vibrating screen in the direction parallel to the screen (6), sliding blocks (16) are connected to the sliding grooves (15) in a sliding mode, a push plate (17) used for pushing materials is fixedly connected between the sliding blocks (16), and a driving device (18) used for pushing the sliding blocks (16) to move is arranged in the sliding grooves (15).

3. A shaker screen assembly as claimed in claim 2, wherein the screen structure comprises: the driving device (18) comprises a screw shaft (181) rotatably connected into the sliding groove (15) and a screw nut (182) rotatably connected onto the screw shaft (181), the screw shaft (181) is arranged along the length direction of the sliding groove (15), a through groove (19) in fit connection with the screw shaft (181) is formed in the sliding block (16), the screw nut (182) is fixedly connected onto the inner wall of the through groove (19), and a second driving motor (20) used for rotating the screw shaft is fixedly connected to the end portion of the sliding groove (15).

4. a shaker screen assembly as claimed in claim 2, wherein the screen structure comprises: the driving device (18) comprises a rack (183) fixedly connected to the sliding block (16), a rotating gear (184) rotatably connected to the sliding chute (15) and rotatably meshed with the rack (183), and a driving motor III (24) used for rotating the rotating gear (184) is fixedly connected to the side wall of the sliding chute (15).

5. A shaker screen assembly as claimed in claim 4, wherein the screen structure comprises: fixedly connected with guide bar (25) on the lateral wall of rack (183), guide bar (25) set up along the length direction of rack (183), set up on spout (15) lateral wall with guide bar (25) cooperation gliding guide way (26).

6. a vibrating screen useful for protecting a screen structure according to claim 3 or 4, wherein: fixedly connected with guide bar II (21) on the lateral wall of slider (16), guide bar II (21) set up along the length direction of spout (15), set up on the lateral wall of spout (15) with guide bar II (21) cooperation gliding guide way II (22).

7. A shaker screen assembly as claimed in claim 6, wherein the screen structure comprises: a plurality of steel balls (23) are embedded in the side wall of the sliding block (16), and the steel balls (23) are attached to the bottom surface of the sliding groove (15) to slide.

8. A shaker screen assembly as claimed in claim 2, wherein the screen structure comprises: the included angle of the push plate (17) is arc-shaped.