CN211538496U

CN211538496U - Closed vibration screening device

Info

Publication number: CN211538496U
Application number: CN201921919356.XU
Authority: CN
Inventors: 刘人付
Original assignee: Hubei Dong Zheng New Building Material Co ltd
Current assignee: Hubei Dong Zheng New Building Material Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-22
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a closed vibration screening device, including screening jar and feed inlet, discharge gate, be equipped with screen cloth and screen cloth vibrator in the screening jar, be equipped with the mount pad on the outer wall of screening jar both sides, the articulated scraper blade that extends to the screen cloth top that is equipped with on the mount pad, the outside of mount pad is equipped with the guide way, be equipped with on the guide way with the outer end swing joint's of scraper blade slider, be equipped with the drive on the outer wall of screening jar the gliding slider-crank mechanism of slider, the slider can promote the reciprocal swing of scraper blade. The utility model discloses a closed vibration screening device belongs to dry-mixed mortar production facility technical field, and structural design is ingenious, has set up automatic scraper blade and has dialled the sand grain on to the screen cloth etc. can improve the filter speed of screen cloth, and it is few to consume manpower and material resources moreover, and the screening is with low costs, production efficiency is high.

Description

Closed vibration screening device

Technical Field

The utility model relates to a dry-mixed mortar production facility technical field, more specifically say, it relates to a closed vibration screening device.

Background

The spiral sand washer is one kind of sand washer, and the screw device who mainly stirs the grit material through in the equipment to make earth and water in the grit material mix, discharge from the mouth that flows on the equipment, the grit material is then progressively screened under the effect of screw device, discharges from the discharge gate on top, thereby has realized the washing screening effect of grit material.

After cleaning soil by a spiral sand washer to obtain sand grains, screening the sand grains; at present, when the screening machine screened, just the vibration through the screen cloth made sand grain etc. on the screen cloth slowly shakeout usually, so, made the effect that very big partial area of screen cloth can not play the screening, caused the screening inefficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a low in production cost, closed vibration screening device that production efficiency is high.

In order to realize the above-mentioned purpose, the utility model provides a closed vibration screening device, including screening jar and feed inlet, discharge gate, be equipped with screen cloth and screen cloth vibrator in the screening jar, be equipped with the mount pad on the outer wall of screening jar both sides, the articulated scraper blade that extends to the screen cloth top that is equipped with on the mount pad, the outside of mount pad is equipped with the guide way, be equipped with on the guide way with the outer end swing joint's of scraper blade slider, be equipped with the drive on the outer wall of screening jar the gliding slider-crank mechanism of slider, the slider can promote the reciprocal swing of scraper blade.

Further, the mounting seat is fixed on one side of the screening tank through welding or screws.

Furthermore, the mounting seat is provided with a hinged shaft connected with the scraper, the sliding block is provided with a sliding chute matched with the outer end of the scraper, the outer end of the scraper is provided with a deflector rod, and two side walls of the sliding chute are provided with limiting grooves matched with the deflector rod.

Furthermore, the guide groove is in a T-shaped groove structure with a narrow outer part and a wide inner part.

As a further improvement, the crank-slider mechanism comprises a first motor, a crank arranged on a rotating shaft of the first motor and a double-connecting-rod mechanism for connecting the crank and the slider.

As a further improvement, the screen vibrating device comprises a second motor arranged at two ends of the inner wall of the screening tank and a cam arranged on a rotating shaft of the second motor, bearing seats for supporting the rotating shaft of the second motor are arranged on the inner walls of two sides of the screening tank, and a guide cylinder is arranged at the top of each bearing seat; the two sides of the screen are provided with telescopic rods, and the bottom ends of the telescopic rods are matched with the guide cylinders and are abutted to the cams.

As a further improvement, one end of the screening tank is provided with an impurity outlet.

Advantageous effects

Compared with the prior art, the utility model discloses a closed vibration screening device's beneficial effect as follows: the closed type vibration screening device is reasonable in structural design and ingenious in structural design, the automatic scraper is arranged to level sand grains on the screen, the area of the screen is fully utilized to carry out screening work, and the filtering speed of the screen can be improved; the one end that the screening jar was dialled to great impurity stone still to the scraper blade flows through the impurity export, reduces the step that the manual work was picked, and it is few to consume manpower and material resources, and screening cost is low, production efficiency is high.

Drawings

FIG. 1 is a front view of the closed vibratory screening apparatus of the present invention;

FIG. 2 is a top view of the closed vibratory screening apparatus of the present invention;

FIG. 3 is an enlarged front view of the connection structure of the slider-crank mechanism, the slider and the mounting seat;

FIG. 4 is an enlarged left side view of the connection structure of the slider-crank mechanism, the slider and the mounting seat;

fig. 5 is an enlarged sectional view of the mounting base of the present invention;

FIG. 6 is an enlarged schematic view of the connection structure between the sliding block and the scraper of the present invention;

FIG. 7 is an enlarged sectional view of the connection structure of the sliding block and the scraper blade of the present invention;

fig. 8 is an enlarged sectional view of the structure of the middle mounting seat, the sliding block and the scraper assembly of the present invention.

In the figure: 1. a screening tank; 2. a feed inlet; 3. a discharge port; 4. screening a screen; 5. a screen vibrating device; a second motor; a cam; a bearing seat; a guide cylinder; the telescopic rod; 6. a mounting seat; 7. a squeegee; 8. a guide groove; 9. a slider; 10. a slider-crank mechanism; 101. a first motor; 102. a crank; 103. a double link mechanism; 11. a conveyor belt mechanism; 12. hinging a shaft; 13. a chute; 14. a deflector rod; 15. a limiting groove; 16. An impurity outlet; 17. a yielding groove.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

The specific implementation manner of the utility model is as follows: as shown in fig. 1-8, a closed vibration screening device, including screening jar 1 and feed inlet 2, discharge gate 3, be equipped with screen cloth 4 and screen cloth vibrator 5 in the screening jar 1, be equipped with mount pad 6 on the outer wall of screening jar 1 both sides, articulated scraper blade 7 that is equipped with to extend to screen cloth 4 top on the mount pad 6, the outside of mount pad 6 is equipped with guide way 8, be equipped with on the guide way 8 with the outer end swing joint's of scraper blade 7 slider 9, be equipped with gliding slider-crank mechanism 10 of drive slider 9 on the outer wall of screening jar 1, slider 9 can promote the reciprocal swing of scraper blade 7, the below of screening jar 1 is equipped with the conveyer belt mechanism 11 that suits with discharge gate 3, the one end of screening jar 1 is equipped with impurity export 16. In the closed type vibrating screening device, the slider-crank mechanism 10 drives the slider 9 to slide, the slider 9 drives the scraper 7 to swing by taking a certain point on the mounting seat 6 as a fulcrum, and the scraper 7 can level sand grains on the screen 4, so that the sand grains on the screen 4 are uniformly distributed, the accumulation phenomenon is prevented, the area of the screen is fully utilized for screening work, and the speed of filtering the sand grains by the screen 4 is ensured; moreover, the scraper 7 can also be used for shifting larger impurity stones to one end of the screening tank 1 to flow out through the impurity outlet 16, so that the manual picking steps are reduced, the manpower and material resources consumption is low, the screening cost is low, and the production efficiency is high.

In this embodiment, the mounting seat 6 is fixed to the screening can 1 side by welding or screws.

In this embodiment, be equipped with the articulated shaft 12 of being connected with scraper blade 7 on mount pad 6, mount pad 6 is equipped with and supplies scraper blade 7 pivoted groove 17 of stepping down, articulated shaft 12 passes the groove setting of stepping down, be equipped with the spout 13 that suits with the outer end of scraper blade 7 on the slider 9, spout 13 supplies the outer end of scraper blade 7 to rotate, the outer end of scraper blade 7 is equipped with the driving lever 14 with slider 9 swing joint, be equipped with the spacing groove 15 that suits with driving lever 14 on the both sides wall of spout 13, spacing groove 15 set up and can prevent that scraper blade 7 from taking place the dead phenomenon of card with slider 9 when rotating.

In this embodiment, the guide groove 8 is a "T" shaped groove structure with a narrow outer part and a wide inner part, the slider 9 is a "convex" shaped structure, and the slider 9 is matched with the guide groove 8 to slide stably.

In this embodiment, the crank-slider mechanism 10 includes a first motor 101, a crank 102 disposed on a rotating shaft of the first motor 101, and a dual-link mechanism 103 connecting the crank 102 with the slider 9, the first motor 101 is fixed on the outer walls of the two sides of the sieving tank 1, the rotating shaft of the first motor 101 drives the crank 102 to rotate, and the crank 102 can pull the slider 9 to perform a reciprocating linear motion through the dual-link mechanism 103.

In this embodiment, the screen vibrating device 5 includes a second motor disposed at two ends of the inner wall of the screening tank 1, and a cam disposed on a rotating shaft of the second motor, bearing seats for supporting the rotating shaft of the second motor are disposed on the inner walls of two sides of the screening tank 1, and a guide cylinder is disposed at the top of each bearing seat; the two sides of the screen mesh 4 are provided with telescopic rods which are common damping spring mechanisms, the upper end of each telescopic rod is fixed on the screen mesh 4, the lower end of the screen mesh 4 is inserted into the guide cylinder, and the bottom end of each telescopic rod is matched with the guide cylinder and is abutted against the cam; the second motor drives the cam to rotate, the salient points on the cam and the telescopic rods in the guide cylinders are intermittently extruded, the telescopic rods are continuously moved in a telescopic mode, and the screen 4 is continuously vibrated.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. The utility model provides a closed vibration screening device, is including screening jar (1) and feed inlet (2), discharge gate, be equipped with screen cloth (4) and screen cloth vibrator (5) in screening jar (1), its characterized in that, be equipped with mount pad (6) on the outer wall of screening jar (1) both sides, articulated scraper blade (7) that are equipped with to extend to screen cloth (4) top on mount pad (6), the outside of mount pad (6) is equipped with guide way (8), be equipped with on guide way (8) with slider (9) of the outer end swing joint of scraper blade (7), be equipped with the drive on the outer wall of screening jar (1) slider (9) gliding crank block mechanism (10), slider (9) can promote scraper blade (7) reciprocating swing.

2. A closed type vibration screening device according to claim 1, characterized in that the mounting seat (6) is provided with a hinged shaft (12) connected with the scraper (7), the slide block (9) is provided with a sliding groove (13) adapted to the outer end of the scraper (7), the outer end of the scraper (7) is provided with a shift lever (14), and two side walls of the sliding groove (13) are provided with limit grooves (15) adapted to the shift lever (14).

3. A closed vibratory screening device as set forth in claim 2 wherein said guide channels (8) are of a "T" shaped channel configuration having a narrow outer width and a wide inner width.

4. A closed vibratory screening device as set forth in claim 1 or 2 or 3 wherein said crank-slider mechanism (10) comprises a first motor (101), a crank (102) provided on a shaft of the first motor (101) and a double linkage mechanism (103) connecting said crank (102) with the slider (9).

5. The enclosed type vibration screening device according to claim 4, wherein the screen vibrating device (5) comprises a second motor arranged at two ends of the inner wall of the screening tank (1) and a cam arranged on a rotating shaft of the second motor, bearing seats for supporting the rotating shaft of the second motor are arranged on the inner wall of two sides of the screening tank (1), and a guide cylinder is arranged at the top of each bearing seat; the two sides of the screen (4) are provided with telescopic rods, and the bottom ends of the telescopic rods are matched with the guide cylinders and are abutted to the cams.

6. A closed vibratory screening device as set forth in claim 4 characterized in that one end of said screening can (1) is provided with a trash outlet (16).