CN115701360A

CN115701360A - Recycling treatment system for lost foam casting sand

Info

Publication number: CN115701360A
Application number: CN202110879650.8A
Authority: CN
Inventors: 刘海华
Original assignee: MAANSHAN HUADONG WEAR-RESISTING ALLOY CO LTD
Current assignee: MAANSHAN HUADONG WEAR-RESISTING ALLOY CO LTD
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-02-10

Abstract

The invention discloses a recycling processing system of lost foam casting sand, which comprises a crushing assembly, an iron scrap processing assembly and a screening assembly, wherein the crushing assembly comprises a crushing box, a crushing cavity, an iron scrap discharging channel and a casting sand discharging channel are respectively formed in the crushing box, the inner wall of the crushing cavity is rotatably connected with two crushing rollers through a rotating shaft, a plurality of crushing teeth are arranged on the outer surfaces of the two crushing rollers, and the iron scrap processing assembly comprises an adsorption magnetic block fixedly connected in the crushing rollers. This processing system that recycles of lost pattern casting sand through smashing roller and crushing tooth, is convenient for smash the quartz sand of caking, through setting up the absorption magnetic path, the drive wheel, conveyer belt and powerful magnet, can be at the in-process kibbling to quartz sand, iron fillings absorption that make mix in the quartz sand is at the surface of smashing the roller to discharge by iron fillings unloading passageway under the effect of drive wheel, conveyer belt and powerful magnet, thereby make entire system have the effect of conveniently handling iron fillings in the quartz sand.

Description

Recycling treatment system for lost foam casting sand

Technical Field

The invention relates to the technical field of lost foam casting molds, in particular to a recycling treatment system for lost foam casting sand.

Background

The lost foam casting is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, coating refractory paint, drying, burying in dry quartz sand for vibration modeling, pouring under negative pressure to enable the model to be gasified, enabling liquid metal to occupy the position of the model, solidifying and cooling to form the casting.

In the lost foam casting process, for reducing the cost of casting, the quartz sand that the mould was used can carry out used repeatedly, but the quartz sand is once using the back, can appear the phenomenon of caking, and the iron fillings that produce when also can remain the mould in the inside of quartz sand, if untreated direct use, can influence the quality of later stage mould.

The invention provides a recycling treatment system for lost foam casting sand.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a recycling treatment system for lost foam casting sand.

In order to achieve the purpose, the invention adopts the following technical scheme: a recycling treatment system for lost foam casting sand comprises a crushing assembly, an iron scrap treatment assembly and a screening assembly, wherein the crushing assembly comprises a crushing box, a crushing cavity, an iron scrap discharging channel and a casting sand discharging channel are respectively formed in the crushing box, the inner wall of the crushing cavity is rotatably connected with two crushing rollers through rotating shafts, and the outer surfaces of the two crushing rollers are respectively provided with a plurality of crushing teeth;

the scrap iron processing assembly comprises an adsorption magnetic block fixedly connected inside the crushing roller, the inner side wall of the crushing box is fixedly connected with four driving wheels in a rotating mode through a driving shaft, every two driving wheels form a group, the outer surfaces of the two groups of driving wheels are provided with conveying belts, the inner rear wall of the crushing box is fixedly connected with two powerful magnets, and the two powerful magnets are respectively located at the upper position between the two driving wheels of each group;

screening subassembly is including rotating the lower hopper of connection at casting sand unloading passageway inner wall, the outer fixed surface of axis of rotation is connected with and rotates the wheel, the surface that rotates the wheel is wavy, the interior antetheca fixedly connected with fixed plate of casting sand unloading passageway, the slide opening has been seted up to the upper surface of fixed plate, and the inner wall sliding connection of slide opening has the slide bar, the top of slide bar is rotated and is connected with the wheel that rolls, the bottom of slide bar is rotated and is connected the front at hopper down, the discharge gate of hopper is a style of calligraphy equidistance down and is provided with a plurality of triangle-shaped dog.

Preferably, the outer surface of the sliding rod is sleeved with a return spring, one end of the return spring is fixedly connected to the upper surface of the fixing plate, and the outer surface of the rolling wheel is in lap joint with the outer surface of the rotating wheel.

Preferably, tiny sand discharging channel and thick sand discharging channel have been seted up respectively to the lower surface of smashing the case, and tiny sand discharging channel and thick sand discharging channel's feed inlet all is linked together with casting sand unloading passageway's discharge gate.

Preferably, the upper surface of the fine sand discharging channel is fixedly connected with a vibration spring, the top end of the vibration spring is fixedly connected with a vibration ring, and the upper surface of the vibration ring is fixedly connected with a step-shaped screen.

Preferably, the inner wall of the vibration ring is fixedly connected with a connecting plate, and the lower surface of the connecting plate is fixedly connected with a vibration motor.

Preferably, the back fixedly connected with three motor casees of crushing case, the inside of three motor case is provided with two driving motor and a crushing motor respectively, and two crushing rollers pass through gear drive and connect.

The invention has the following beneficial effects:

1. this processing system that recycles of lost foam casting sand through setting up crushing roller and crushing tooth, be convenient for smash the quartz sand of caking, through setting up the absorption magnetic path, the drive wheel, conveyer belt and powerful magnet, can be at the in-process kibbling to quartz sand, iron fillings absorption that makes in the quartz sand mix is at the surface of crushing roller, and discharge by iron fillings unloading passageway under the effect of drive wheel, conveyer belt and powerful magnet, thereby make entire system have the effect of conveniently handling iron fillings in the quartz sand.

2. This processing system that recycles of lost pattern casting sand rotates the wheel through setting up, the fixed plate, the slide bar, roll wheel and reset spring, can drive down the hopper shake, through setting up the triangle-shaped dog, enables the separately unloading of quartz sand, avoids appearing the phenomenon of jam, through setting up vibrating spring, vibrating ring, step form screen cloth and vibrating motor, can sieve out tiny sand and thick sand to make entire system have the effect of conveniently sieving the quartz sand.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic structural view in example 2;

FIG. 3 is a perspective view of the wheel of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 crushing case, 2 iron fillings unloading passageway, 3 casting sand unloading passageways, 4 crushing rollers, 5 absorption magnetic path, 6 drive wheels, 7 conveyer belts, 8 strong magnet, 9 hoppers, 10 rotating wheel, 11 fixed plates, 12 slide bars, 13 rolling wheels, 14 triangle dog, 15 reset spring, 16 tiny sand discharging passageway, 17 thick sand discharging passageway, 18 vibrating spring, 19 vibrating ring, 20 step-like screen cloth, 21 vibrating motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, a processing system that recycles of lost foam casting sand, including crushing unit, iron fillings processing module and screening subassembly, crushing unit is including smashing case 1, crushing chamber has been seted up respectively to crushing case 1's inside, iron fillings unloading passageway 2 and casting sand unloading passageway 3, the inner wall of smashing the chamber is connected with two crushing rollers 4 through the axis of rotation, and two surfaces of smashing roller 4 all are provided with a plurality of crushing tooth, the three motor case of the back fixedly connected with of crushing case 1, the inside of three motor case is provided with two driving motor and a crushing motor respectively, two crushing rollers 4 pass through gear drive and connect, through setting up crushing roller 4 and crushing tooth, be convenient for smash the quartz sand of caking.

Iron fillings processing assembly includes fixed connection at the inside absorption magnetic path 5 of crushing roller 4, the inside wall of crushing case 1 is fixed to be connected with four drive wheels 6 through drive shaft rotation, per two drive wheels 6 are a set of, the surface of two sets of drive wheels 6 all is provided with conveyer belt 7, two strong magnet 8 of the interior back wall fixedly connected with of crushing case 1, and two strong magnet 8 are located the position on the upper side between two drive wheels 6 of every group respectively, through setting up absorption magnetic path 5, drive wheel 6, conveyer belt 7 and strong magnet 8, can be at the kibbling in-process of quartz sand, make iron fillings absorption of mixing in the quartz sand at crushing roller 4's surface, and at drive wheel 6, discharge by iron fillings unloading passageway 2 under the effect of conveyer belt 7 and strong magnet 8, thereby make entire system have the effect of conveniently handling iron fillings in the quartz sand.

In this embodiment, pour the quartz sand after using into crushing case 1, utilize crushing roller 4 and crushing tooth to smash the quartz sand of caking, and mix the inside iron fillings of quartz sand and adsorb on the surface of crushing roller 4 under the effect of absorption magnetic path 5, rotate to conveyer belt 7 department when crushing roller 4, the iron fillings on crushing roller 4 surface are attached to the surface of conveyer belt 7 under strong magnet 8's effect, and drive iron fillings removal under drive wheel 6 and conveyer belt 7's effect, when iron fillings remove to skew strong magnet 8 positions, the influence of receiving gravity drops to inside iron fillings unloading passageway 2, thereby make entire system have the effect of conveniently handling iron fillings in the quartz sand.

Example 2

Referring to fig. 2-4, the screening assembly includes a discharging hopper 9 rotatably connected to the inner wall of the casting sand discharging channel 3, a rotating wheel 10 is fixedly connected to the outer surface of the rotating shaft, the outer surface of the rotating wheel 10 is wavy, a fixing plate 11 is fixedly connected to the inner front wall of the casting sand discharging channel 3, a sliding hole is formed in the upper surface of the fixing plate 11, a sliding rod 12 is slidably connected to the inner wall of the sliding hole, a rolling wheel 13 is rotatably connected to the top end of the sliding rod 12, a reset spring 15 is sleeved on the outer surface of the sliding rod 12, one end of the reset spring 15 is fixedly connected to the upper surface of the fixing plate 11, and the outer surface of the rolling wheel 13 is in lap joint with the outer surface of the rotating wheel 10.

The bottom end of the sliding rod 12 is rotatably connected to the front face of the discharging hopper 9, a discharging port of the discharging hopper 9 is provided with a plurality of triangular stop blocks 14 in a linear shape at equal intervals, the discharging hopper 9 can be driven to shake by arranging the rotating wheel 10, the fixing plate 11, the sliding rod 12, the rolling wheel 13 and the reset spring 15, quartz sand can be discharged separately by arranging the triangular stop blocks 14, and the phenomenon of blockage is avoided.

Smash case 1's lower surface and seted up tiny sand discharging channel 16 and thick sand discharging channel 17 respectively, and tiny sand discharging channel 16 and thick sand discharging channel 17's feed inlet all is linked together with casting sand unloading passageway 3's discharge gate, the last fixed surface of tiny sand discharging channel 16 is connected with vibrating spring 18, vibrating spring 18's top fixedly connected with vibrating ring 19, vibrating ring 19's inner wall fixedly connected with connecting plate, and the lower fixed surface of connecting plate is connected with vibrating motor 21, vibrating ring 19's last fixed surface is connected with step form screen cloth 20, through setting up vibrating spring 18, vibrating ring 19, step form screen cloth 20 and vibrating motor 21, tiny sand and thick sand can be sieved, thereby make entire system have the effect of conveniently sieving quartz sand.

In this embodiment, the crushed quartz sand falls into the lower hopper 9, the lower hopper 9 shakes in the casting sand discharging channel 3 under the action of the rotating wheel 10, the fixing plate 11, the sliding rod 12, the rolling wheel 13 and the return spring 15, the phenomenon that the discharge port of the lower hopper 9 is blocked by the quartz sand is avoided, then the quartz sand falls onto the upper surface of the stepped screen 20, and fine sand and coarse sand are screened out under the action of the vibrating spring 18, the vibrating ring 19 and the vibrating motor 21, so that the whole system has the effect of conveniently screening the quartz sand.

The working principle is as follows: when the recycling treatment system of lost foam casting sand needs to be used, quartz sand after being used is poured into the crushing box 1, the crushed quartz sand is crushed by the crushing roller 4, the adsorbing magnetic block 5, the driving wheel 6, the conveying belt 7 and the strong magnet 8 are used for crushing the quartz sand, scrap iron mixed in the quartz sand is adsorbed on the outer surface of the crushing roller 4 and is discharged from the scrap iron discharging channel 2 under the action of the driving wheel 6, the conveying belt 7 and the strong magnet 8, so that the whole system has the effect of conveniently treating the scrap iron in the quartz sand, the quartz sand falls into the lower hopper 9 under the action of gravity, the rotating wheel 10, the fixing plate 11, the sliding rod 12, the rolling wheel 13 and the reset spring 15 are used for driving the lower hopper 9 to shake, the discharging speed of the quartz sand is controlled by the triangular stop block 14, the vibrating spring 18, the vibrating ring 19, the stepped screen 20 and the vibrating motor 21 are used for screening fine, and coarse sand and fine sand are screened, and the whole system has the effect of conveniently screening the quartz sand.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a processing system that recycles of lost pattern casting sand, includes crushing unit, iron fillings processing module and screening subassembly, its characterized in that: the crushing assembly comprises a crushing box (1), a crushing cavity, an iron scrap discharging channel (2) and a casting sand discharging channel (3) are respectively formed in the crushing box (1), the inner wall of the crushing cavity is rotatably connected with two crushing rollers (4) through rotating shafts, and the outer surfaces of the two crushing rollers (4) are respectively provided with a plurality of crushing teeth;

the scrap iron processing assembly comprises adsorption magnetic blocks (5) fixedly connected inside the crushing roller (4), the inner side wall of the crushing box (1) is fixedly connected with four driving wheels (6) in a rotating mode through driving shafts, every two driving wheels (6) form a group, the outer surfaces of the two groups of driving wheels (6) are respectively provided with a conveyor belt (7), the inner rear wall of the crushing box (1) is fixedly connected with two strong magnets (8), and the two strong magnets (8) are respectively located on the upper side between every two driving wheels (6);

screening subassembly is including rotating lower hopper (9) of connection at casting sand unloading passageway (3) inner wall, the outer fixed surface of axis of rotation is connected with and rotates wheel (10), the outward appearance of rotating wheel (10) is wavy, the interior antetheca fixedly connected with fixed plate (11) of casting sand unloading passageway (3), the slide opening has been seted up to the upper surface of fixed plate (11), and the inner wall sliding connection of slide opening has slide bar (12), the top of slide bar (12) is rotated and is connected with wheel (13) that rolls, the front of connecting hopper (9) down is rotated to the bottom of slide bar (12), the discharge gate of lower hopper (9) is a style of calligraphy equidistance and is provided with a plurality of triangle-shaped dog (14).

2. The system for recycling and processing lost foam casting sand according to claim 1, wherein: the outer surface of the sliding rod (12) is sleeved with a return spring (15), one end of the return spring (15) is fixedly connected to the upper surface of the fixing plate (11), and the outer surface of the rolling wheel (13) is in lap joint with the outer surface of the rotating wheel (10).

3. The system for recycling and treating lost foam casting sand according to claim 1, wherein: smash the lower surface of case (1) and seted up tiny sand discharging channel (16) and thick sand discharging channel (17) respectively, and the feed inlet of tiny sand discharging channel (16) and thick sand discharging channel (17) all is linked together with the discharge gate of casting sand unloading passageway (3).

4. The system for recycling and treating lost foam casting sand according to claim 3, wherein: the upper surface of the fine sand discharging channel (16) is fixedly connected with a vibration spring (18), the top end of the vibration spring (18) is fixedly connected with a vibration ring (19), and the upper surface of the vibration ring (19) is fixedly connected with a step-shaped screen (20).

5. The system for recycling and treating lost foam casting sand according to claim 4, wherein: the inner wall of the vibration ring (19) is fixedly connected with a connecting plate, and the lower surface of the connecting plate is fixedly connected with a vibration motor (21).

6. The system for recycling and processing lost foam casting sand according to claim 1, wherein: the back of the crushing box (1) is fixedly connected with three motor boxes, two driving motors and one crushing motor are respectively arranged inside the three motor boxes, and the two crushing rollers (4) are connected through gear transmission.