CN210847063U - Solid material screening plant - Google Patents

Abstract

The utility model provides a solid material screening device, which comprises a conveyor belt with a screen-shaped surface, a discharge hopper which is arranged between the upper layer and the lower layer of the conveyor belt and can receive the blanking on the upper layer of the conveyor belt, and a driving mechanism which drives the conveyor belt to move; a driving roller and a driven roller are respectively arranged at two ends of the rotating path of the conveying belt; the driving mechanism is intermittently matched with the driving roller to drive the driving roller to intermittently rotate. The utility model provides a pair of solid material screening plant's advantage lies in: set up the screen cloth into the conveyer belt structure to can remove oversize thing through screen cloth self motion, and the screen cloth is in the walking state, the material of being convenient for scatters, improve the filter effect, drive the drive roll rotation through setting up intermittent type drive ratchet pivoted actuating mechanism, can prevent the screen cloth gyration, also can improve the time that the material is in the filter state, and can produce the velocity difference of horizontal direction with the help of the inertial action of different size materials when changing the motion state, further improve the filter effect.

Description

Solid material screening plant

Technical Field

The utility model relates to a technical field is handled in the material screening, especially relates to a solid material screening plant.

Background

In the engineering work progress such as building, road bridge, because the upper reaches quality is difficult to the accuse, the material size can not satisfy the operation requirement completely, consequently often need screen the material in order to detach big impurity or little impurity, its main means lets the material get into the screen cloth and gets oversize thing or undersize thing, utility model patent application No. 201721482763X provides a civil engineering material and has carried into separator, wherein used the material filter screen to filter the material, tiny material can pass the ejection of compact behind the filter screen, impurity stays on the sieve, but this kind of separator still has some defects:

1. in the whole operation process, people are required to continuously remove larger impurities remained on the filter screen, otherwise, the larger impurities are remained on the filter screen to influence the filtering work of the filter screen;

2. need slow material loading when the material loading, if the material loading is too fast then can lead to the material to pile up on filtering the net to influence the filter effect.

In conclusion, the prior art has the problems of high labor cost and low efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a solid material screening plant that can the automatic clear screen surplus thing is provided to solve the problem that labour cost is high.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

a solid material screening device comprises a conveyor belt with a screen-shaped surface, a discharge hopper positioned between an upper layer and a lower layer of the conveyor belt and capable of receiving blanking on the upper layer of the conveyor belt, and a driving mechanism for driving the conveyor belt to move; a driving roller and a driven roller are respectively arranged at two ends of the rotating path of the conveying belt; the driving mechanism is intermittently matched with the driving roller to drive the driving roller to intermittently rotate.

Preferably, the conveyor belt is fixed in a separation box, and the discharge hopper is provided with a discharge hole extending to the outside of the separation box.

Preferably, a material guide plate positioned below the conveyor belt is obliquely arranged on one side of the separating box close to the blanking end of the conveyor belt, a waste discharge port is formed in the surface of the separating box, and the material guide plate is obliquely and downwards connected to the waste discharge port.

Preferably, the bottom of the discharge hopper is also provided with at least one guide roller matched with the conveying belt.

Preferably, the guide roller is adjustable in position in a direction perpendicular to the direction of travel of the conveyor belt.

Preferably, the driving mechanism comprises a ratchet wheel coaxially and fixedly connected with one end of the driving roller, a push disc for driving the ratchet wheel to rotate and a driving unit for driving the push disc to be intermittently matched with the ratchet wheel.

Preferably, the driving unit comprises a driving motor fixedly connected with the push disc at a power output end, the driving motor can drive the push disc to rotate, and the push disc can be intermittently contacted with the ratchet wheel in the rotating process.

Preferably, the automatic feeding mechanism is further included, and a feeding port of the automatic feeding mechanism acts on one side, far away from the moving direction, of the upper layer of the conveyor belt.

Preferably, the automatic feeding mechanism comprises an auger conveyor and an inclined cylinder, the auger conveyor is obliquely arranged, the inclined cylinder is matched with the auger conveyor, the upper end of the inclined cylinder is arranged above the conveyor belt, and a through hole is formed in the lower side pipe wall of the upper end of the inclined cylinder to form the feed port.

Preferably, the pipe wall of the lower end of the auger conveyor is connected with a storage hopper.

Preferably, the bottom of the separator box is provided with rollers, and the separator box body is provided with a push handle.

The utility model provides a solid material screening plant's advantage lies in ① sets up the screen cloth into the conveyer belt structure to can remove the thing of oversize through screen cloth self-movement, do not need artifical edulcoration, labor cost is reduced, ② screen cloth is under actuating mechanism effect intermittent type walking change state, the material of being convenient for scatters, and the inertia of different materials is different when changing the motion state, the material of being convenient for produces the difference in speed on the horizontal direction, improve filter effect, ③ drives the drive roll rotation through setting up intermittent type drive ratchet pivoted actuating mechanism, can prevent the screen cloth gyration, can also improve the time that the material is in filter state, ④ goes out the hopper and arranges between the upper and lower floor of screen cloth in, can ensure that the undersize material is all received by the hopper, conveniently collect the material, ⑤ carries out the material loading through auger conveyor, combine the walking of screen cloth self, can ensure also can not pile up the material when high-speed material loading, improve work efficiency.

Drawings

Fig. 1 is a schematic view of a solid material screening device provided in an embodiment of the present invention;

fig. 2 is a schematic view of a separation box of a solid material screening device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a conveyor belt of a solid material screening device according to an embodiment of the present invention;

fig. 4 is a schematic view of an automatic feeding mechanism of a solid material screening device according to an embodiment of the present invention;

FIG. 5 is a schematic view of a solid material screening device drive mechanism provided in an embodiment of the present invention;

fig. 6 is a schematic view of a push plate of a solid material sieving device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a solid material screening device, which includes a conveyor belt 4, a discharge hopper 8 and a driving mechanism (not shown), wherein the surface of the conveyor belt 4 has a screen 41, a driving roller 42 and a driven roller 43 are respectively disposed at two ends of a horizontal rotation path of the conveyor belt 4, and the discharge hopper 8 is located between an upper layer and a lower layer of the conveyor belt 4 for receiving upper layer blanking; the actuating mechanism drive roll 42 rotates to drive conveyer belt 4 and move along the horizontal direction, the surplus material on conveyer belt 4 follows the motion of conveyer belt 4 and leaves conveyer belt 4 gradually, only need set up recovery unit in the position that the surplus material left and can collect the bold granule, thereby need not artifically remove, reduce the work input, conveyer belt 4 can walk moreover and be convenient for the material and scatter on conveyer belt 4, improve the screening effect.

In order to facilitate the collection of undersize that falls onto the discharge hopper 8, in the preferred embodiment, the discharge hopper 8 is tilted so that the material naturally leaves the discharge hopper 8 from the side of the direction of movement of the conveyor belt 4, in conjunction with fig. 2 and 3; in order to give the hopper 8 a larger inclined space, the conveyor belt 4 is also provided with at least one guide roller 44 under the hopper 8, so that the space between the upper and lower layers of the conveyor belt 4 is increased. The guide roller 44 may be provided to be capable of adjusting the height in a direction perpendicular to the traveling direction of the conveyor belt 4, i.e., a vertical direction, so that the tension of the conveyor belt 4 can be adjusted by the guide roller 44.

Referring to fig. 4, in order to provide materials for the conveyor belt 4, the screening device further provides an automatic feeding mechanism 5, a feeding port 52 of the automatic feeding mechanism 5 acts on one side of the upper layer of the conveyor belt 4, which is far away from the moving direction of the conveyor belt 4, so as to send the materials to one end of the conveyor belt 4, and enable the materials to move along the conveyor belt 4 to screen through the whole horizontal path. When the material supplying device is used, materials can be supplied to the conveyor belt 4 in a mode of manually feeding materials at the lower end of the auger conveyor 53, in the embodiment, the lower end pipe wall of the inclined cylinder 51 is connected with the vertically arranged storage hopper 6, the materials are dumped into the storage hopper 6, and then the screening device can be used for screening.

Referring to fig. 5, the driving mechanism provided in this embodiment can intermittently drive the driving roller 42 to rotate, so that the material can be located on the upper layer of the conveyor belt 4 for a longer time, and the intermittent movement of the material on the conveyor belt 4 requires frequent change of the movement state. Specifically, the driving mechanism comprises a ratchet wheel 91 fixedly matched with the end part of the driving roller 42, a push disc 92 matched with the ratchet wheel teeth, and a driving motor 93 for driving the push disc 92 to rotate, wherein the push disc 92 is circumferentially provided with at least one driving tooth 94 meshed with the ratchet wheel teeth (not shown), when the driving motor 93 drives the push disc 92 to rotate, the driving tooth 92 is contacted with the ratchet wheel teeth only in the interval range that the driving tooth 94 is close to the ratchet wheel 91, so that the ratchet wheel 91 is pushed to rotate, and then the push disc 92 rotates away from the ratchet wheel 91 until the next contact is achieved. The ratchet wheel 91 is matched with the driving roller 42, so that the driving of the conveying belt 4 can be realized, the driving roller 42 can be prevented from rotating, and the materials are prevented from leaving the conveying belt 4 from the feeding end. Referring to FIG. 6, in particular use, a plurality of drive teeth 94 may be provided on the thrust plate 92 in a circumferential direction, as desired, the particular number and spacing of the arrangement being conventional and varied as will occur to those of ordinary skill in the art; when a plurality of drive teeth 94 are provided, the drive motor 93 can be driven at a lower drive speed to drive the screen 4 at the same or a faster rotational speed relative to the push plate 92 provided with a single drive tooth 94, reducing the consumption of idle rotation of the drive motor.

When the screening device is used on a construction site, the use position is required to be changed according to the operation condition at many times, in order to move the screening device, the conveyor belt 4 is integrated in the separation box 2 in the preferred embodiment, the plurality of rollers 1 are arranged at the bottom of the separation box, and the handle 3 is arranged on the surface of the separation box 2, so that the screening device is convenient to move integrally; the specific arrangement position of the handle 3 can be determined as required. With reference to fig. 1 and 2, the discharge hopper 8 is also fixed inside the separation box 2, and extends the discharge port of the discharge hopper to the outside of the separation box 2, so as to collect the material. Meanwhile, a material guide plate 21 below the conveyor belt 4 is obliquely arranged at the blanking end of the conveyor belt 4, the lower end of the material guide plate 21 is connected to the surface of the separation box 2, and a waste discharge port 22 is formed in the surface of the separation box 2, so that waste can be discharged from the waste discharge port 22 to leave the screening device, the machine does not need to be stopped to treat the waste on the screen, and the working efficiency is improved.

In the present embodiment, the sieving apparatus is described as collecting undersize, and in actual use, the oversize may be selectively retained as needed, and in addition, metal impurities may need to be removed in sieving, and a metal adsorption mechanism capable of removing metal may be provided on the discharge hopper 8, which is a prior art in the field and will not be described in detail here.

Claims (10)

1. A solid material screening device is characterized in that: comprises a conveying belt with a screen-shaped surface, a discharge hopper which is positioned between the upper layer and the lower layer of the conveying belt and can bear the blanking of the upper layer of the conveying belt, and a driving mechanism for driving the conveying belt to move; a driving roller and a driven roller are respectively arranged at two ends of the rotating path of the conveying belt; the driving mechanism is intermittently matched with the driving roller to drive the driving roller to intermittently rotate.

2. A solid material screening apparatus as claimed in claim 1, wherein: the conveyer belt is fixed in a separator box, goes out the hopper and has the discharge gate that extends to the separator box outside.

3. A solid material screening apparatus as claimed in claim 2, wherein: one side of the separation box, which is close to the blanking end of the conveying belt, is also obliquely provided with a material guide plate below the conveying belt, the surface of the separation box is provided with a waste discharge port, and the material guide plate is obliquely and downwards connected to the waste discharge port.

4. A solid material screening apparatus as claimed in claim 2, wherein: the bottom of the discharge hopper is also provided with at least one guide roller matched with the conveying belt.

5. A solid material screening apparatus as claimed in claim 4, wherein: the guide roller is capable of adjusting a position in a direction perpendicular to a traveling direction of the conveyor belt.

6. A solid material screening apparatus as claimed in claim 1, wherein: the driving mechanism comprises a ratchet wheel coaxially and fixedly connected with one end of the driving roller, a push disc for driving the ratchet wheel to rotate and a driving unit for driving the push disc to be intermittently matched with the ratchet wheel, and at least one driving tooth meshed with the ratchet wheel is arranged on the surface of the push disc along the circumferential direction.

7. A solid material screening apparatus as claimed in claim 6, wherein: the driving unit comprises a power output end and a driving motor fixedly connected with the push disc, the driving motor can drive the push disc to rotate, and the driving teeth can be in intermittent contact with the ratchet wheel in the rotating process of the push disc.

8. A solid material screening apparatus as claimed in claim 1, wherein: still including setting up in the automatic feeding mechanism of the direction of motion one side of keeping away from of conveyer belt, automatic feeding mechanism is including the auger conveyer that the slope set up and the oblique section of thick bamboo that matches with the auger conveyer, and the upper end of oblique section of thick bamboo sets up in the conveyer belt top, and oblique section of thick bamboo is opened on its upper side pipe wall of its lower side and is had the through-hole to form the feed opening that acts on the conveyer belt upper strata.

9. A solid material screening apparatus as claimed in claim 8, wherein: the pipe wall of the lower end of the auger conveyor is connected with a storage hopper.

10. A solid material screening apparatus as claimed in claim 2, wherein: the bottom of the separator box is provided with rollers, and the separator box body is provided with a push handle.

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