CN215430139U

CN215430139U - Vibrating screen for asphalt mixing plant

Info

Publication number: CN215430139U
Application number: CN202121629031.5U
Authority: CN
Inventors: 张连明; 金小龙
Original assignee: Yueqing Jianling Asphalt Concrete Co ltd
Current assignee: Zhejiang Jianling New Materials Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-01-07
Anticipated expiration: 2031-07-17

Abstract

The utility model belongs to the technical field of the pitch stirring and specifically relates to a shale shaker for pitch mixing station is related to, which comprises an outer shell, it has the feed inlet to link up on the shell, it has the discharge gate to link up on the shell diapire, be provided with a plurality of screens cloth that are used for filtering the aggregate in the shell, be provided with the vibrating motor who is used for vibrating screen cloth on the shell, the screen cloth is the slope and sets up downwards, be provided with the stock guide that is used for guiding the aggregate on the screen cloth to fall into the discharge gate on the inside diapire of shell, be provided with the runner assembly who is used for rotating the stock guide in the stock guide, rotate the stock guide makes the aggregate fall into in appointed discharge gate. This application has the process convenient and fast's that makes the adjustment screening diameter effect.

Description

Vibrating screen for asphalt mixing plant

Technical Field

The application relates to the field of asphalt mixing, in particular to a vibrating screen for an asphalt mixing plant.

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, the combined effect of the upper rotary heavy hammer and the lower rotary heavy hammer makes the screen surface generate complex rotary vibration, the vibration track is a complex space curve, the projection of the curve on the horizontal plane is a circle, and the projection on the vertical plane is an ellipse. 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.

Shale shaker for asphalt mixing plant on the market has seted up the feed inlet including the casing on the casing, fixedly connected with vibrating motor on the casing lateral wall, fixedly connected with supporting beam on the casing inside wall, and the joint has the screen cloth on the supporting beam, is provided with the stock guide on the inboard diapire of casing, and the stock guide is used for guiding the aggregate blanking on the screen cloth.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the size interval of screening aggregate needs to be adjusted, the casing needs to be opened, the screen cloth joint with the correct aperture is on a supporting beam, the casing is closed again, and the process of adjusting the screening diameter is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

In order to improve the process that the adjustment was screened the diameter and waste time and energy the problem, this application provides a shale shaker for bituminous mixing plant.

The application provides a vibrating screen for asphalt mixing plant adopts following technical scheme:

the utility model provides a shale shaker for bituminous mixing plant, includes the shell, it has the feed inlet to link up on the shell, it has the discharge gate to link up on the shell diapire, be provided with a plurality of screen meshes that are used for filtering the aggregate in the shell, be provided with the vibrating motor who is used for vibrating screen on the shell, the screen mesh is the slope and sets up downwards, be provided with the stock guide that is used for guiding the aggregate on the screen mesh to fall into the discharge gate on the inside diapire of shell, be provided with the runner assembly who is used for rotating the stock guide in the stock guide, rotate the stock guide makes the aggregate fall into in appointed discharge gate.

Through adopting above-mentioned technical scheme, the aggregate falls into the vibrating screen cloth from the feed inlet on, fall on the stock guide after the screening through the screen cloth, and the guide of rethread stock guide falls into in the discharge gate, and the staff makes the stock guide rotate through rotating the runner assembly to the guide changes the blanking route of aggregate, makes the aggregate on a plurality of screen cloths fall into in same discharge gate, thereby reaches the purpose that enlarges the aggregate screening size interval, makes the process convenient and fast of adjustment screening diameter.

Preferably, the rotating assembly comprises a rotating rod, the rotating rod penetrates through the side wall of the shell, and the rotating rod is fixedly connected with the inner part of the material guide plate.

Through adopting above-mentioned technical scheme, the staff controls the rotation of stock guide through the control dwang to the aggregate on the different screens of control stock guide falls into in the same discharge gate, reaches the purpose that enlarges the screen cloth screening aggregate size interval.

Preferably, the rotating assembly further comprises a rotating motor arranged at one end of the rotating rod, the rotating shaft of the rotating motor is fixedly arranged with the rotating rod, and the rotating motor is arranged on the outer side wall of the shell.

Through adopting above-mentioned technical scheme, the staff rotates the rotation that the motor controlled the dwang through the control for it is more laborsaving when staff control dwang rotates, and control the dwang through rotating the motor, it is more stable when making the dwang be in operating angle, reduce the dwang because of the aggregate lasts the blanking and lead to the probability that dwang turned angle changed.

Preferably, the height of each guide plate is greater than the distance between adjacent guide plates.

By adopting the technical scheme, the height of the material guide plates is larger than the distance between the adjacent material guide plates, so that the material guide plates can plug the discharge hole through rotation, and the blanking direction of aggregate is guided.

Preferably, a vibration reduction plate is arranged on the side wall of the material guide plate facing the blanking direction, a plurality of vibration reduction springs are arranged between the vibration reduction plate and the material guide plate, and the vibration reduction springs stretch along the blanking direction.

By adopting the technical scheme, the vibration reduction plate is positioned on the side wall of the material guide plate facing to the blanking direction, and plays a role in protecting the material guide plate, so that the damage of aggregate to the material guide plate is reduced; the damping spring is located between damping plate and the stock guide, and the damping spring plays the effect that reduces the vibration, reduces the impact force that causes the damping plate when the aggregate blanking, plays the effect of protection damping plate.

Preferably, the side wall of the vibration damping plate facing the guide plate is provided with a plurality of guide rods extending along the telescopic direction of the vibration damping springs, the guide plate is provided with guide grooves for the guide rods to be inserted and slide, and the guide rods are positioned on the central shaft of the vibration damping springs.

Through adopting above-mentioned technical scheme, slide in the guide way through the guide bar, guide damping spring's flexible direction makes damping spring's flexible more stable.

Preferably, the guide plate is provided with a limit ring on the side wall facing the vibration damping plate, the limit ring is circumferentially arranged outside the guide groove, the vibration damping spring is located inside the limit ring, the side wall of the vibration damping plate is provided with a protection ring, the protection ring is circumferentially arranged outside the guide rod, and the protection ring is always sleeved outside the limit ring.

Through adopting above-mentioned technical scheme, establish through the protection ring cover and slide outward with the spacing ring, make damping spring's flexible more stable, and because the cooperation of protection ring and spacing ring, reduced the damage of aggregate blanking to damping spring, played the effect of protection to damping spring.

Preferably, the dwang all is provided with the protection piece that is used for protecting the dwang along self length direction's both sides, protection piece rotates and sets up on the diapire inside the shell, be connected with between protection piece and the stock guide and be used for conflicting the conflict spring on the stock guide lateral wall all the time with the one end of protection piece, protection piece is provided with the fillet with the lateral wall of stock guide contact.

By adopting the technical scheme, the protection piece plays a role in protecting the rotating rod, the damage of aggregate blanking to the rotating rod is reduced, and the probability that the rotating rod is difficult to rotate due to the fact that the aggregate blanking seals a gap between the rotating rod and the bottom wall inside the shell is reduced; the conflict spring makes protection piece contradict on the stock guide all the time, makes protection piece and stock guide's conflict more firm, and the fillet makes protection piece can slide on the stock guide more smoothly.

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

1. the aggregate falls into the vibrating screen cloth from the feed inlet on, falls on the stock guide after the screening through the screen cloth, and the guide of rethread stock guide falls into in the discharge gate, and the staff makes the stock guide rotate through rotating the runner assembly to the guide changes the blanking route of aggregate, makes the aggregate on a plurality of screen cloths fall into in same discharge gate, thereby reaches the purpose that enlarges the aggregate screening size interval, makes the process convenient and fast of adjustment screening diameter.

2. The protection piece has a protection effect on the rotating rod, the damage of aggregate blanking to the rotating rod is reduced, and the probability that the rotating rod is difficult to rotate due to the fact that the aggregate blanking plugs a gap between the rotating rod and the bottom wall inside the shell is reduced; the conflict spring makes protection piece contradict on the stock guide all the time, makes protection piece and stock guide's conflict more firm, and the fillet makes protection piece can slide on the stock guide more smoothly.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the guide plate shown in fig. 1.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic partial exploded view at B in fig. 3.

Description of reference numerals: 1. a housing; 11. a feed inlet; 12. screening a screen; 13. a vibration motor; 14. a discharge port; 2. a material guide plate; 21. a vibration damping plate; 22. a damping spring; 23. a guide bar; 24. a guide groove; 25. a limiting ring; 26. a guard ring; 3. a rotating assembly; 31. rotating the rod; 32. rotating the motor; 4. a protective member; 41. against the spring; 42. and (4) rounding.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses shale shaker for bituminous mixing plant. Referring to fig. 1 and 2, the vibrating screen for the asphalt mixing plant comprises a housing 1, wherein a feed port 11 penetrates through the side wall of the housing 1 far away from the ground, and five discharge ports 14 penetrate through the side wall of the housing 1 near the ground. Four screens 12 for filtering aggregates are installed in the housing 1, the screens 12 are inclined from the direction close to the feed port 11 to the direction close to the discharge port 14, and a vibration motor 13 for vibrating the screens 12 is fixedly connected to the housing 1. Rotate on the diapire of shell 1 inside and be connected with the stock guide 2 that is used for guiding the aggregate on the screen cloth 12 to fall into discharge gate 14, the laminating of 2 lateral walls of stock guide and 1 inside wall of shell, the highly all distance that is greater than between the adjacent stock guide 2 of stock guide 2, discharge gate 14 is located between the adjacent stock guide 2, discharge gate 14 still is located between stock guide 2 and the shell 1 lateral wall, fixedly connected with is used for rotating the runner assembly 3 of stock guide 2 in the stock guide 2, it can make the aggregate on the screen cloth 12 fall in appointed discharge gate 14 to rotate stock guide 2.

Referring to fig. 2, rotating assembly 3 is including dwang 31 and rotation motor 32, a plurality of stock guides 2 are close to the inside of ground one end all with a dwang 31 fixed connection, dwang 31 runs through along the length direction of stock guide 2, dwang 31 still runs through shell 1's lateral wall to the external world, a plurality of dwangs 31 are located external one and serve and all be connected with rotation motor 32, the axis of rotation and the dwang 31 fixed connection of rotation motor 32, rotation motor 32 fixed connection is on shell 1's lateral wall, rotate the axis of rotation that drives self through rotating motor 32, thereby drive dwang 31 and rotate, thereby make stock guide 2 rotate.

Referring to fig. 3 and 4, two damping springs 22 are fixedly connected to the side wall of the material guide plate 2 facing the material falling direction, the damping springs 22 extend and retract along the material falling direction, one end of each of the two damping springs 22, which is far away from the material guide plate 2, is fixedly connected to the same damping plate 21, and the side wall of the damping plate 21 is attached to the inner side wall of the housing 1. The damping plate 21 is fixedly connected with two guide rods 23 extending along the extension direction of the damping spring 22 on the side wall facing the guide plate 2, a guide groove 24 for the guide rods 23 to insert and slide is formed in the guide plate 2, and the guide rods 23 are located on the central shaft of the damping spring 22.

Referring to fig. 4, the guide plate 2 is fixedly connected with a limit ring 25 on the side wall facing the damping plate 21, the limit ring 25 circumferentially surrounds the guide groove 24, and the damping spring 22 is attached to the inner wall of the limit ring 25, so that the damping spring 22 is more stable in extension. The side wall of the damping plate 21 facing the material guide plate 2 is fixedly connected with a protection ring 26, the protection ring 26 circumferentially surrounds the guide rod 23, the protection ring 26 is always sleeved outside the limit ring 25, the damping spring 22 is positioned in the protection ring 26, so that the aggregate is difficult to damage the damping spring 22 and the guide rod 23, and the protection ring 26 slides outside the limit ring 25 along the expansion direction of the damping spring 22.

Referring to fig. 2 and 3, a plurality of protection members 4 for protecting the rotating rod 31 are rotatably connected to the bottom wall inside the housing 1, the protection members 4 are located on two sides of the rotating rod 31 along the length direction, side walls of the protection members 4 are attached to the inner wall of the housing 1, a collision spring 41 is fixedly connected between the side walls of the guide plate 2 and the protection members 4 facing each other, the collision spring 41 extends and retracts along the direction in which the guide plate 2 and the protection members 4 are close to each other, so that one end of the protection members 4 is always collided with the side walls of the guide plate 2, and the side walls of the protection members 4 collided with the guide plate 2 are rounded corners 42.

The implementation principle of the vibrating screen for the asphalt mixing plant in the embodiment of the application is as follows: the aggregate falls into the vibrating screen 12 from the feeding hole 11, falls onto the guide plate 2 after being screened by the screen 12, falls into the discharging hole 14 through the guide of the guide plate 2, and the worker controls the rotating motor 32 to rotate the guide plate 2, so that the blanking path of the aggregate is guided and changed, the aggregates on the plurality of screens 12 fall into the same discharging hole 14, and the purpose of expanding the size interval of the aggregate screening is achieved.

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 an asphalt mixing plant uses shale shaker, including shell (1), it has feed inlet (11) to link up on shell (1), it has discharge gate (14) to link up on shell (1) diapire, be provided with a plurality of screen cloth (12) that are used for filtering the aggregate in shell (1), be provided with vibrating motor (13) that are used for vibrating screen cloth (12) on shell (1), its characterized in that: the screen cloth (12) are the slope and set up downwards, be provided with on the inside diapire of shell (1) and be used for guiding aggregate on screen cloth (12) to fall into stock guide (2) of discharge gate (14), be provided with runner assembly (3) that are used for rotating stock guide (2) in stock guide (2), rotate stock guide (2) make the aggregate fall in appointed discharge gate (14).

2. The vibrating screen for asphalt mixing plants according to claim 1, characterized in that: rotating assembly (3) is including dwang (31), shell (1) lateral wall is run through in dwang (31), dwang (31) and stock guide (2) inside fixed connection.

3. The vibrating screen for asphalt mixing plant according to claim 2, characterized in that: rotating assembly (3) still including setting up in rotation motor (32) of dwang (31) one end, the axis of rotation that rotates motor (32) is fixed the setting with dwang (31), it sets up on shell (1) lateral wall to rotate motor (32).

4. The vibrating screen for asphalt mixing plants according to claim 1, characterized in that: the height of each guide plate (2) is larger than the distance between every two adjacent guide plates (2).

5. The vibrating screen for asphalt mixing plants according to claim 1, characterized in that: the feeding device is characterized in that a vibration reduction plate (21) is arranged on the side wall, facing the blanking direction, of the material guide plate (2), a plurality of vibration reduction springs (22) are arranged between the vibration reduction plate (21) and the material guide plate (2), and the vibration reduction springs (22) stretch along the blanking direction.

6. The vibrating screen for asphalt mixing plants according to claim 5, characterized in that: the guide plate is characterized in that a plurality of guide rods (23) extending along the telescopic direction of the vibration reduction springs (22) are arranged on the side wall, facing the guide plate (2), of the vibration reduction plate (21), guide grooves (24) for the guide rods (23) to insert and slide are formed in the guide plate (2), and the guide rods (23) are located on the central shaft of the vibration reduction springs (22).

7. The vibrating screen for asphalt mixing plants according to claim 6, characterized in that: guide plate (2) face and are provided with spacing ring (25) towards on the lateral wall of damping plate (21), spacing ring (25) are circumference and encircle and set up outside guide way (24), damping spring (22) are located inside spacing ring (25), be provided with protection ring (26) on damping plate (21) lateral wall, protection ring (26) are circumference and encircle and set up outside guide bar (23), outside spacing ring (25) are located all the time to protection ring (26) cover.

8. The vibrating screen for asphalt mixing plant according to claim 2, characterized in that: dwang (31) all are provided with protection piece (4) that are used for protecting dwang (31) along self length direction's both sides, protection piece (4) are rotated and are set up on the inside diapire of shell (1), be connected with between protection piece (4) and stock guide (2) and be used for conflicting conflict spring (41) on stock guide (2) lateral wall all the time with the one end of protection piece (4), protection piece (4) are provided with fillet (42) with the lateral wall of stock guide (2) contact.