CN210906853U

CN210906853U - Sand screening machine for sand casting

Info

Publication number: CN210906853U
Application number: CN201922022654.5U
Authority: CN
Inventors: 庞礼明
Original assignee: Zhanjiang Qiaofeng Building Materials Co ltd
Current assignee: Zhanjiang Qiaofeng Building Materials Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-03
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a sand casting sand sieving machine, including frame, carriage, outer shroud and feed bin, welded fastening has the carriage in the frame, the carriage rotates along length direction's both ends and is connected with the conveying roller, and the solderless wrapped connection has the conveyer belt between two conveying rollers, thirty degrees contained angles are personally submitted with the level to the carriage, the top welding that lies in the carriage in the frame has the outer shroud, the inside middle section position department of outer shroud is provided with the screening cylinder. The utility model discloses in, this sand casting sand sieving machine is provided with the screening that the screening cylinder is used for the grit, and driving motor drives the screening cylinder through the pivot and rotates, accomplishes the grit screening, and such drum-type screening mode is compared with traditional directness and is carried the grit to screen on the screen, and the quality and the efficiency of screening are higher.

Description

Sand screening machine for sand casting

Technical Field

The utility model relates to a sand sieving machine technical field especially relates to a sand casting sand sieving machine.

Background

The sand screening machine is a professional machine for screening sand in sand yards and construction sites, the conventional sand casting sand screening machine generally and simply screens sand on an inclined plane screen for conveying sand, the sand is screened, the screening efficiency is low in the screening mode, the screening efficiency is poor, the screened sand is generally and directly piled together, and then a lifting mechanism is required to lift and load the sand, so that the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sand casting screening machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sand screening machine for sand casting comprises a frame, a conveying frame, an outer protective cover and a storage bin;

a conveying frame is welded and fixed on the rack, two ends of the conveying frame in the length direction are rotatably connected with conveying rollers, a conveying belt is wound between the two conveying rollers, the conveying frame and the horizontal plane form an included angle of thirty degrees, an outer protective cover is welded above the conveying frame on the rack, and a screening roller is arranged at the middle section of the inner part of the outer protective cover;

the inside center department of screening cylinder is provided with the pivot, the welding has the support frame between the interior table wall of pivot and screening cylinder, the inside both ends welding that is located the screening cylinder of outer shroud has the crossbeam, the pivot rotates with the crossbeam to be connected, and the bolt fastening has the drive pivot pivoted driving motor on the crossbeam, the bar feed opening has been seted up in the bottom center department of outer shroud.

Preferably, a conveying motor is fixed to the bottom of the rack through bolts and is in transmission connection with the conveying rollers through a belt.

Preferably, the support frame is provided with six altogether, and six support frames divide into two sets ofly, and two sets of three support frames are the annular distribution, and the contained angle between two adjacent support frames equals.

Preferably, the cross beam is provided with a circular hole matched with the rotating shaft for use, and the joint of the rotating shaft and the cross beam is sleeved with a bearing.

Preferably, the top welding of frame has the feed bin, feed bin bottom center department is connected with the unloading pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, this sand casting sand sieving machine, be provided with the screening that the screening cylinder is used for the grit, driving motor drives the screening cylinder through the pivot and rotates, accomplish the grit screening, such drum-type screening mode is compared with traditional directness and is carried the grit to screen on the screening net, the quality and the efficiency of screening are higher, secondly, it is provided with the carriage of personally submitting thirty degrees contained angles with the level to be located the outer shield below, the grit through the screening cylinder screening can fall into on the conveyer belt that sets up on concave carriage through the bar feed opening of outer shield bottom, can promote through the conveyer belt and carry out the export, the dumper of being convenient for can directly carry out the grit and receive and transport, it is provided with the bar feed opening to have in the bottom of outer shield, can be with the central line department that falls into the conveyer belt that the grit prepared, the.

Drawings

Fig. 1 is a schematic structural diagram of a sand screening machine for sand casting according to the present invention;

fig. 2 is a schematic view of a connection structure between an outer shield and a screening drum of a sand casting screening machine according to the present invention;

fig. 3 is a schematic structural diagram of an outer shroud of a sand casting sand sieving machine according to the present invention;

fig. 4 is the utility model provides a screening drum's of sand casting sand sieving machine structural schematic.

Illustration of the drawings:

1. a frame; 2. a carriage; 3. a conveying roller; 4. a conveyor belt; 5. a conveying motor; 6. a belt; 7. an outer shroud; 8. a screening drum; 9. a discharging pipe; 10. a storage bin; 11. a support frame; 12. a rotating shaft; 13. a cross beam; 14. a drive motor; 15. and a strip-shaped feed opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a sand screening machine for sand casting comprises a frame 1, a conveying frame 2, an outer protective cover 7 and a bin 10;

a conveying frame 2 is fixedly welded on a rack 1, two ends of the conveying frame 2 in the length direction are rotatably connected with conveying rollers 3, a conveying belt 4 is wound between the two conveying rollers 3, the conveying frame 2 and the horizontal plane form an included angle of thirty degrees, an outer protective cover 7 is welded on the rack 1 above the conveying frame 2, and a screening roller 8 is arranged at the middle section of the inner part of the outer protective cover 7;

the inside center department of screening cylinder 8 is provided with pivot 12, and the welding has support frame 11 between the interior table wall of pivot 12 and screening cylinder 8, and the inside both ends that are located screening cylinder 8 of outer shield 7 have crossbeam 13, and pivot 12 rotates with crossbeam 13 to be connected, and the bolt fastening has drive pivot 12 pivoted driving motor 14 on the crossbeam 13, and bar feed opening 15 has been seted up to the bottom center department of outer shield 7.

A conveying motor 5 is fixed at the bottom of the rack 1 through bolts, and the conveying motor 5 is in transmission connection with the conveying rollers 3 through a belt 6.

Six support frames 11 are arranged, the six support frames 11 are divided into two groups, two groups of three support frames 11 are distributed in an annular shape, and included angles between two adjacent support frames 11 are equal.

The cross beam 13 is provided with a circular hole matched with the rotating shaft 12 for use, and a bearing is sleeved at the joint of the rotating shaft 12 and the cross beam 13 and used for reducing the friction resistance between the rotating shaft 12 and the cross beam 13.

A bin 10 is welded at the top end of the rack 1, and a discharging pipe 9 is connected to the center of the bottom end of the bin 10.

Outer shroud 7, screening cylinder 8 and carriage 2 are parallel to each other, and outer shroud 7 and screening cylinder 8 also become thirty degrees contained angles with the horizontal plane, and screening cylinder 8 is the cylindrical inside hollow structure of network structure, and screening cylinder 8 is along length direction's both ends for open type structure.

The working principle is as follows: when the sand casting sand screening machine is used, a power supply is connected externally, a driving motor 14 and a conveying motor 5 are opened, the driving motor 14 drives a screening roller 8 inside an outer cover 7 to rotate through a rotating shaft 12, the conveying motor 5 drives a conveying belt 4 to rotate through a belt 6 and a conveying roller 3, sand needing to be screened is added into a bin 10, the sand in the bin 10 is discharged into the screening roller 8 through a discharging pipe 9 at the moment, the screening roller 8 rotates to screen the sand, the sand through the screening roller 8 falls into the outer cover 7, then the sand is discharged onto the conveying belt 4 through a strip-shaped discharging port 15 formed in a bottom plate of the outer cover 7, the sand is lifted and conveyed out through the conveying belt 4, the sand which does not pass through the screening roller 8 can be under the action of gravity, and the sand is discharged from one end, away from the screening roller 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sand casting screening machine is characterized by comprising a frame (1), a conveying frame (2), an outer protective cover (7) and a storage bin (10);

a conveying frame (2) is fixedly welded on the rack (1), conveying rollers (3) are rotatably connected to two ends of the conveying frame (2) along the length direction, a conveying belt (4) is wound between the two conveying rollers (3), an included angle of thirty degrees is formed between the conveying frame (2) and the horizontal plane, an outer protective cover (7) is welded on the rack (1) above the conveying frame (2), and a screening roller (8) is arranged at the position of the inner middle section of the outer protective cover (7);

the inside center department of screening cylinder (8) is provided with pivot (12), the welding has support frame (11) between the interior table wall of pivot (12) and screening cylinder (8), the both ends welding that the inside of outer shield (7) is located screening cylinder (8) has crossbeam (13), pivot (12) rotate with crossbeam (13) and are connected, and the bolt fastening has drive pivot (12) pivoted driving motor (14) on crossbeam (13), bar feed opening (15) have been seted up in the bottom center department of outer shield (7).

2. A sand casting screening machine according to claim 1, characterized in that a conveying motor (5) is bolted to the bottom of the frame (1), and the conveying motor (5) is in transmission connection with the conveying roller (3) through a belt (6).

3. The sand casting sand screening machine according to claim 1, wherein six support frames (11) are provided, and the six support frames (11) are divided into two groups, two groups of three support frames (11) are distributed in a ring shape, and the included angles between two adjacent support frames (11) are equal.

4. The sand casting sand screening machine according to claim 1, wherein a circular hole matched with the rotating shaft (12) is formed in the cross beam (13), and a bearing is sleeved at the joint of the rotating shaft (12) and the cross beam (13).

5. The sand casting sand screening machine according to claim 1, characterized in that a bin (10) is welded at the top end of the frame (1), and a discharging pipe (9) is connected to the center of the bottom end of the bin (10).