CN219765936U - Gravel screening device with anti-blocking function - Google Patents

Abstract

The utility model relates to the field of gravel processing, in particular to a gravel screening device with an anti-blocking function. The device comprises a supporting frame, a screen mesh and the like; the support frame is connected with a screen in a rotating way. Through the screen cloth rotation, great part can stay in the screen cloth in the gravel, and less part will drop in the hole of screen cloth in the gravel, divides the sieve to the inconsistent gravel of size, and ratchet dish rotates simultaneously and can make up-and-down reciprocating motion of dead lever, can hit the gravel in the screen cloth hole, prevents that less gravel from plugging up the screen cloth hole, and then improves the efficiency of gravel screening.

Description

Gravel screening device with anti-blocking function

Technical Field

The utility model relates to the field of gravel processing, in particular to a gravel screening device with an anti-blocking function.

Background

During the processing of a stone field, the gravel needs to be screened to separate large gravel and small gravel, so that different production and processing are carried out on the large gravel and the small gravel, and therefore, the screening of the large gravel and the small gravel is very important.

When the existing gravel screening device screens the gravel, the shapes and the sizes of the gravel are inconsistent, so that the screen holes of the screen in the gravel screening device are easily blocked, the gravel screening device cannot continue to operate, the efficiency of screening the gravel is low, the gravel blocking device can damage the device, and the service life of the device is shortened.

Disclosure of Invention

In order to overcome the disadvantages, the technical problems are as follows: the gravel screening device with the anti-blocking function can effectively prevent the gravel from being blocked in the screening process, so that the screening efficiency is improved.

The technical proposal is as follows: the utility model provides a gravel divides sieve device with prevent stifled function, includes support frame, screen cloth, motor support, servo motor, transmission shaft and feeder hopper, rotation type is connected with the screen cloth on the support frame, be equipped with the cross in the screen cloth, fixedly connected with motor support on the support frame, fixedly connected with servo motor on the motor support, fixedly connected with transmission shaft on the servo motor output shaft, cross fixedly connected with feeder hopper in transmission shaft and the screen cloth, servo motor one side fixedly connected with is kept away from to the support frame.

Optionally, still including ratchet dish, spacing, reciprocating lever, reset spring, dead lever and spring that returns, fixedly connected with ratchet dish on the transmission shaft, fixedly connected with spacing on the support frame, it has two spacing grooves to open on the spacing, sliding connection has the reciprocating lever in the spacing groove of spacing, the reciprocating lever contacts with ratchet dish, be connected with reset spring between support frame and the reciprocating lever, fixedly connected with a plurality of dead lever on the reciprocating lever, a plurality of the dead lever is connected with spacing slidingly, be connected with the spring that returns between spacing and the reciprocating lever, the spring that returns overlaps on the dead lever.

Optionally, the device further comprises a bump disc and a push rod, wherein the bump disc is fixedly connected to the transmission shaft, the push rod is fixedly connected to the reciprocating rod, and the push rod is in contact with the bump disc.

Optionally, the feeding hopper is further provided with a vibration switch and a vibrator, wherein the vibration switch is fixedly connected to the limiting frame, and the vibrator is fixedly connected to the feeding hopper.

Optionally, a plurality of meshes are formed on the screen.

Optionally, one side of the lug plate, which is close to the screen, is provided with a plurality of lugs.

Optionally, an inclined plane is arranged at the bottom end of the reciprocating rod.

Optionally, the fixing rods are uniformly spaced.

The beneficial effects of the utility model are as follows: 1. through the screen cloth rotation, great part can stay in the screen cloth in the gravel, and less part will drop in the hole of screen cloth in the gravel, divides the sieve to the inconsistent gravel of size, and ratchet dish rotates simultaneously and can make up-and-down reciprocating motion of dead lever, can hit the gravel in the screen cloth hole, prevents that less gravel from plugging up the screen cloth hole, and then improves the efficiency of gravel screening.

2. The ejector rod is extruded through the lug on the lug plate, so that the fixing rod horizontally reciprocates, the holes of the screen can be dredged more effectively, and the gravel screening efficiency is further improved.

3. When the reciprocating rod is jacked up by the ratchet plate to move upwards, the reciprocating rod can touch the vibration switch, the vibration switch can enable the vibrator to start vibrating, so that gravels in the feeding hopper are dispersed, the gravels can not block a discharge hole of the feeding hopper, the gravel screening efficiency is further improved, the feeding hopper is protected from being damaged due to extrusion of the gravels, and the service life of the feeding hopper is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 3 is a schematic perspective view of the screen and drive shaft of the present utility model.

Fig. 4 is a schematic view of a partial perspective structure of the present utility model.

Fig. 5 is an enlarged perspective view of fig. 2 a according to the present utility model.

Reference numerals illustrate: 1: support frame, 2: screen cloth, 3: motor support, 4: servo motor, 5: transmission shaft, 6: feed hopper, 7: ratchet plate, 8: limit frame, 9: reciprocating lever, 10: return spring, 11: fixing rod, 12: return spring, 13: bump plate, 14: ejector rod, 15: vibration switch, 16: a vibrator.

Detailed Description

Embodiments of the present utility model will be described below with reference to the drawings.

Example 1: the utility model provides a gravel screening device with prevent stifled function, is shown as fig. 1-5, including support frame 1, screen cloth 2, motor support 3, servo motor 4, transmission shaft 5 and feeder hopper 6, rotation type is connected with screen cloth 2 on the support frame 1, be equipped with the cross in the screen cloth 2, there is motor support 3 through bolted connection on the support frame 1, there is servo motor 4 through bolted connection on the motor support 3, fixedly connected with transmission shaft 5 on the servo motor 4 output shaft, cross fixedly connected with feeder hopper 6 in transmission shaft 5 and the screen cloth 2, servo motor 4 one side fixedly connected with feeder hopper is kept away from to support frame 1.

Still including ratchet dish 7, spacing 8, reciprocating rod 9, reset spring 10, dead lever 11 and reset spring 12, fixedly connected with ratchet dish 7 on the transmission shaft 5, fixedly connected with spacing 8 on the support frame 1, it has two spacing grooves to open on the spacing 8, sliding connection has reciprocating rod 9 in the spacing groove of spacing 8, reciprocating rod 9 and ratchet dish 7 contact, be connected with reset spring 10 between support frame 1 and the reciprocating rod 9, the welding has a plurality of dead lever 11 on the reciprocating rod 9, a plurality of dead lever 11 is connected with spacing 8 sliding connection, be connected with reset spring 12 through the couple between spacing 8 and the reciprocating rod 9, reset spring 12 cover is on dead lever 11.

The staff puts into the feeder hopper 6 with the gravel, then the staff starts servo motor 4, and servo motor 4 output shaft rotation drives transmission shaft 5 rotation, and transmission shaft 5 rotation drives screen cloth 2 rotation, and great part can be left in the screen cloth 2 in the gravel, and less part will drop in the hole of screen cloth 2 in the gravel, from this comes to carry out the screening to the inconsistent gravel of size, and after the screening was accomplished, the workman closed servo motor 4, with the great gravel clearance in the screen cloth 2.

In the process of carrying out gravel screening by the device, the transmission shaft 5 rotates to drive the ratchet plate 7 to rotate, the higher part of the ratchet plate 7 contacts with the reciprocating rod 9 in the rotating process, the reciprocating rod 9 is jacked up by the ratchet plate 7 to move upwards, the reset spring 12 is compressed, the reciprocating rod 9 moves upwards to drive the fixing rod 11 to move upwards, when the reciprocating rod 9 is not contacted with the higher part of the ratchet plate 7 any more, the reset spring 12 resets and drives the reciprocating rod 9 and the fixing rod 11 to move downwards to reset, so that the reciprocating movement of the fixing rod 11 up and down can hit gravel in holes of the screen 2, the smaller gravel is prevented from blocking the holes of the screen 2, and the efficiency of gravel screening is further improved.

Example 2: on the basis of the embodiment 1, as shown in fig. 4-5, the device further comprises a bump disc 13 and a push rod 14, the bump disc 13 is fixedly connected to the transmission shaft 5, the push rod 14 is welded on the reciprocating rod 9, and the push rod 14 is in contact with the bump disc 13.

In the process of carrying out gravel screening by the device, the transmission shaft 5 rotates to drive the lug disc 13 to rotate, the lug on the lug disc 13 can extrude the ejector rod 14 to move towards the direction close to the screen cloth 2, the ejector rod 14 moves to drive the reciprocating rod 9 to move towards the direction close to the screen cloth 2, the reset spring 10 is compressed, the reciprocating rod 9 moves to drive the fixed rod 11 to move towards the direction close to the screen cloth 2, when the lug on the lug disc 13 does not extrude the ejector rod 14 any more, the reset spring 10 resets and drives the reciprocating rod 9 to reset, the fixed rod 11 also resets, and thus the repeated horizontal reciprocating movement of the fixed rod 11 can more effectively dredge holes of the screen cloth 2, so that the gravel screening efficiency is further improved.

Example 3: on the basis of the embodiment 2, as shown in fig. 2-5, the vibration feeding device further comprises a vibration switch 15 and a vibrator 16, wherein the vibration switch 15 is connected to the limiting frame 8 through bolts, and the vibrator 16 is fixedly connected to the feeding hopper 6.

When the reciprocating rod 9 is jacked up by the ratchet plate 7 to move upwards, the reciprocating rod 9 can touch the vibration switch 15, the vibration switch 15 can enable the vibrator 16 to start vibrating, so that gravels in the feeding hopper 6 are dispersed, the gravels can not block a discharge hole of the feeding hopper 6, the gravel screening efficiency is further improved, the feeding hopper 6 is protected from being damaged due to extrusion of the gravels, and the service life of the feeding hopper 6 is prolonged.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. Gravel screening device with prevent stifled function, a serial communication port, including support frame (1), screen cloth (2), motor support (3), servo motor (4), transmission shaft (5) and feeder hopper (6), rotationally be connected with screen cloth (2) on support frame (1), be equipped with the cross in screen cloth (2), fixedly connected with motor support (3) on support frame (1), fixedly connected with servo motor (4) on motor support (3), fixedly connected with transmission shaft (5) on servo motor (4) output shaft, cross fixedly connected with feeder hopper (6) in transmission shaft (5) and the screen cloth (2), servo motor (4) one side fixedly connected with is kept away from to support frame (1).

2. The gravel screening device with anti-blocking function according to claim 1, further comprising a ratchet disc (7), a limiting frame (8), a reciprocating rod (9), a return spring (10), a fixing rod (11) and a return spring (12), wherein the ratchet disc (7) is fixedly connected to the transmission shaft (5), the limiting frame (8) is fixedly connected to the supporting frame (1), two limiting grooves are formed in the limiting frame (8), the reciprocating rod (9) is slidingly connected to the limiting grooves of the limiting frame (8), the reciprocating rod (9) is in contact with the ratchet disc (7), the return spring (10) is connected between the supporting frame (1) and the reciprocating rod (9), a plurality of fixing rods (11) are fixedly connected to the reciprocating rod (9), the fixing rods (11) are slidingly connected with the limiting frame (8), the return spring (12) is connected between the limiting frame (8) and the reciprocating rod (9), and the return spring (12) is sleeved on the fixing rods (11).

3. The gravel screening device with the anti-blocking function according to claim 2, further comprising a lug disc (13) and a push rod (14), wherein the lug disc (13) is fixedly connected to the transmission shaft (5), the push rod (14) is fixedly connected to the reciprocating rod (9), and the push rod (14) is in contact with the lug disc (13).

4. The gravel screening device with the anti-blocking function according to claim 3, further comprising a vibration switch (15) and a vibrator (16), wherein the vibration switch (15) is fixedly connected to the limiting frame (8), and the vibrator (16) is fixedly connected to the feed hopper (6).

5. The gravel screening device with the anti-blocking function according to claim 1, wherein a plurality of meshes are formed on the screen (2).

6. A gravel screening device with anti-blocking function according to claim 3, characterized in that the side of the lug disc (13) close to the screen (2) is provided with a number of lugs.

7. The gravel screening device with the anti-blocking function according to claim 2, wherein the bottom end of the reciprocating rod (9) is provided with an inclined plane.

8. A gravel screening device with anti-blocking function according to claim 2, characterized in that several of the fixing rods (11) are arranged at even intervals.