CN213055400U - Sand feeding device for concrete production - Google Patents

Abstract

The utility model relates to a sand feeding device for concrete production, which comprises a first sand screening device, a second sand screening device, a first conveying device and a second conveying device, wherein the input end of the first conveying device is positioned below the discharge hole of the first sand screening device, and the output end of the first conveying device is positioned above the feed hole of the second sand screening device, so that sand screened by the first sand screening device is conveyed into the second sand screening device; the input end of the second conveying device is located below the discharge port of the second sand screening device, the output end of the second conveying device is located above the feed hopper, sand screened out by the second sand screening device is conveyed into the feed hopper, and the feed hopper is a feed hopper of concrete production equipment. The utility model relates to a rationally, carry out the secondary screening to the sand, not only sieve effectually, the sand after the screening is moreover directly carried to the feeder hopper in, storage in the middle of not carrying out, has saved the use of transport vechicle, and not only the operation is more convenient, reduction in production cost moreover.

Description

Sand feeding device for concrete production

The technical field is as follows:

the utility model relates to a sand feed arrangement for concrete production.

Background art:

sand is one of the important raw materials for concrete production. In a traditional concrete production mode in a factory, sand is usually screened only once, screened fine sand is stored in a storage bin, and when production is needed, the fine sand in the storage bin is conveyed to concrete production equipment through a transport vehicle. The production mode needs the transport vehicle to run back and forth, so that the operation is inconvenient, and the production cost is increased.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a sand feed arrangement for concrete production is provided, not only reasonable in design, convenient operation moreover.

In order to realize the purpose, the utility model discloses a technical scheme is: a sand feeding device for concrete production comprises a first sand screening device, a second sand screening device, a first conveying device and a second conveying device, wherein the input end of the first conveying device is positioned below the discharge hole of the first sand screening device, and the output end of the first conveying device is positioned above the feed hole of the second sand screening device, and is used for conveying sand screened by the first sand screening device into the second sand screening device; the input end of the second conveying device is located below the discharge port of the second sand screening device, and the output end of the second conveying device is located above the feed hopper, and is used for conveying sand screened out by the second sand screening device into the feed hopper.

Further, the first sand screening device is a vibrating sand screening machine; the second sand screening device is a roller sand screening machine.

Further, the first conveying device is arranged obliquely; the second conveying device is horizontally arranged.

Further, the first conveying device and the second conveying device are both belt conveying devices.

Furthermore, a material guide pipe is arranged below the discharge end of the second sand screening device, the upper end of the material guide pipe is a horn-shaped sand inlet, three independent material guide channels are arranged at the lower end of the material guide pipe, each material guide channel is communicated with the sand inlet, a second conveying device is arranged below each material guide channel, and each second conveying device conveys sand to one feed hopper.

Compared with the prior art, the utility model discloses following effect has: the utility model relates to a rationally, carry out the secondary screening to the sand after the screening is directly carried to the feeder hopper in, does not carry out middle storage, has saved the use of transport vechicle, and not only the operation is more convenient, reduction in production cost moreover.

Description of the drawings:

FIG. 1 is a schematic diagram of the construction of an embodiment of the present invention;

fig. 2 is a schematic front sectional view of the feeding pipe in the embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, the utility model relates to a sand feeding device for concrete production, including a first sand sieving device 1, a second sand sieving device 2, a first conveying device 3 and a second conveying device 4, wherein the input end of the first conveying device 3 is located below the discharge port of the first sand sieving device 1, the output end is located above the feed port of the second sand sieving device 2, and the first conveying device 3 is used for conveying the sand sieved by the first sand sieving device 1 into the second sand sieving device 2; the input of second conveyor 4 is located the discharge gate below of second screening sand device 2, the output is located the top of feeder hopper 5, and second conveyor 4 is used for carrying the sand that second screening sand device 2 sieved out to feeder hopper 5 in, and feeder hopper 5 is the feeder hopper of concrete production equipment. During operation, first screening sand device 1 sieves the sand for the first time, and the sand that sieves out then carries to second screening sand device 2 in through first conveyor 3, and second screening sand device 2 sieves the sand for the second time, and the sand that sieves out then carries to feeder hopper 5 in through second conveyor 4, directly carries out the feeding to concrete production facility. The device reasonable in design carries out the secondary screening to the sand, and not only screening is effectual, and the sand after the screening is directly carried to the feeder hopper in addition, does not carry out middle storage, has saved the use of transport vechicle, and not only the operation is more convenient, reduction in production cost moreover.

In this embodiment, the first sand sieving device 1 is a vibrating sand sieving machine; the second sand screening device 2 is a roller sand screening machine. It should be noted that the vibrating sand screening machine and the roller sand screening machine are both mature products, and the structure thereof is not described herein.

In this embodiment, the first conveying device 3 is disposed obliquely; the second conveyor 4 is arranged horizontally.

In this embodiment, the first conveyor 3 and the second conveyor 4 are both belt conveyors.

In this embodiment, a material guiding pipe 6 is arranged below the discharging end of the second sand sieving device 2, the upper end of the material guiding pipe 6 is a horn-shaped sand inlet 7, three independent material guiding channels 8 are arranged at the lower end of the material guiding pipe 6, each material guiding channel 8 is communicated with the sand inlet 7, a second conveying device 4 is arranged below each material guiding channel 8, and each second conveying device 4 conveys sand to one feeding hopper 5. During operation, the sand screened by the second sand screening device enters the three second conveying devices through the three material guide channels, and the three second conveying devices are respectively conveyed to different feed hoppers, so that sand can be conveyed to a plurality of concrete production devices simultaneously.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (5)

1. A sand feed arrangement for concrete production which characterized in that: the sand screening device comprises a first sand screening device, a second sand screening device, a first conveying device and a second conveying device, wherein the input end of the first conveying device is positioned below the discharge hole of the first sand screening device, and the output end of the first conveying device is positioned above the feed hole of the second sand screening device, and is used for conveying sand screened by the first sand screening device into the second sand screening device; the input end of the second conveying device is located below the discharge port of the second sand screening device, and the output end of the second conveying device is located above the feed hopper, and is used for conveying sand screened out by the second sand screening device into the feed hopper.

2. A sand feed device for concrete production according to claim 1, characterised in that: the first sand screening device is a vibrating sand screening machine; the second sand screening device is a roller sand screening machine.

3. A sand feed device for concrete production according to claim 1, characterised in that: the first conveying device is obliquely arranged; the second conveying device is horizontally arranged.

4. A sand feeding device for concrete production according to claim 1 or 3, characterized in that: and the first conveying device and the second conveying device are both belt conveying devices.

5. A sand feed device for concrete production according to claim 1, characterised in that: the sand screening device is characterized in that a material guide pipe is arranged below the discharge end of the second sand screening device, the upper end of the material guide pipe is a horn-shaped sand inlet, three independent material guide channels are arranged at the lower end of the flow guide pipe, each material guide channel is communicated with the sand inlet, a second conveying device is arranged below each material guide channel, and each second conveying device is used for conveying sand to one feed hopper.

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