CN210877388U - Cast iron waste material magnetism screening installation - Google Patents

Abstract

The utility model discloses a magnetic screening device for cast iron waste, which belongs to the technical field of casting and processing, and the key points of the technical proposal are that the magnetic screening device comprises a frame, a feed inlet, a fixed shaft, a magnet, a rotary drum, a motor, a first discharge port and a second discharge port, wherein a filtering component is arranged in the first discharge port, the filtering component comprises a first filtering plate and a second filtering plate, the first filtering plate is horizontally arranged, the side surface of the first filtering plate is connected with the inner wall of the first discharge port, and the first filtering hole is arranged on the first filtering plate; the second filter sets up in the below of first filter, and the side of second filter is connected with the inner wall of first discharge gate, has seted up the second filtration pore on the second filter, reaches the effect that reduces remaining cast iron waste material in the molding sand.

Description

Cast iron waste material magnetism screening installation

Technical Field

The utility model relates to a casting processing equipment field, in particular to cast iron waste material magnetism screening installation.

Background

Sand casting refers to a casting method for producing castings in sand molds, has the characteristics of low cost and strong adaptability, and is a basic process in iron casting production for a long time. For taking out the work piece from the sand mould, can smash the sand mould after the foundry goods cooling is accomplished usually, take out the foundry goods from the sand mould, often can remain partly cast iron waste material in the broken sand mould, remaining cast iron waste material is unfavorable for the recycle of molding sand. Therefore, how to separate the waste cast iron from the molding sand becomes a matter of great concern to those skilled in the art.

Current publication number is CN 103008103A's a magnet separator, the test platform comprises a support, the feed inlet, the fixed axle, magnet, the rotary drum, including a motor, an end cap, a controller, and a cover plate, first discharge gate and second discharge gate, the frame sets up at the level subaerial, the top at the frame is seted up to the feed inlet, the below of feed inlet that the fixed axle set up at, magnet and fixed axle fixed connection, the rotary drum cover is established on magnet, and the rotary drum rotates with the fixed axle to be connected, first discharge gate is located the below of rotary drum, and the vertical setting of first discharge gate, the second discharge gate sets up the below at the rotary drum, and the second discharge gate sets up to the direction slope of keeping away from first discharge gate, the motor sets. When the magnetic separator is used for separating the molding sand and the cast iron waste, the motor is started, the motor drives the rotary drum to rotate, the molding sand and the cast iron waste which are subjected to preliminary crushing are poured into the magnetic separator together from the feeding hole, the rotary drum drives the molding sand and the cast iron waste to rotate towards the direction of the first discharge hole, the cast iron waste is adsorbed on the surface of the rotary drum under the adsorption action of the magnet, when the molding sand and the waste cast iron are driven by the rotary drum to move to the position above the first discharge hole, the molding sand falls into the first discharge hole under the action of gravity, the cast iron waste material continues to rotate to the second discharge port along with the rotary drum under the adsorption action of the magnet, when the cast iron waste material is moved to the second discharge hole, the fan-shaped notch of the magnet leads the cast iron waste material not to be continuously adsorbed on the surface of the rotary drum, so that the cast iron waste falls into the second discharge port under the action of gravity, thereby realizing the sorting of the cast iron waste.

However, the magnetic separator still has the problem that when the volume and the mass of the cast iron waste are large, the magnetic force provided by the magnet is not enough to adsorb the large-mass cast iron waste, so that the cast iron waste can fall into the first discharge hole along with the molding sand, and the recycling of the molding sand is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a cast iron waste material magnetism screening installation reaches the effect that reduces remaining cast iron waste material in the molding sand.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a magnetic screening device for cast iron waste comprises a machine base, a feeding hole, a fixed shaft, a magnet, a rotary drum, a motor, a first discharging hole and a second discharging hole, wherein a filtering component is arranged in the first discharging hole and comprises a first filtering plate and a second filtering plate, the first filtering plate is horizontally arranged, the side surface of the first filtering plate is connected with the inner wall of the first discharging hole, and first filtering holes are formed in the first filtering plate; the second filter sets up in the below of first filter, and the side of second filter is connected with the inner wall of first discharge gate, has seted up the second filtration pore on the second filter.

Through adopting above-mentioned technical scheme, first filter and second filter cooperation are used, can filter the separation to the molding sand and the cast iron waste material that drop to the discharge gate, the molding sand can be smoothly through first filtration pore, the second filtration pore, and the cast iron waste material then can't pass through first filtration pore or second filtration pore, the cast iron waste material can be blockked on first filter, the second filter, do not follow the together whereabouts of molding sand, thereby improve the effect that remaining cast iron waste material was got rid of in the molding sand to this cast iron waste material magnetism screening installation.

This utility further sets up as, first filter and second filter are made by magnetic material.

Through adopting above-mentioned technical scheme, make first filter and second filter by magnetic material and when further cross the filtration to the molding sand, adsorb casting waste residue in the molding sand, prevent that casting waste residue from passing first filtration pore, second filtration pore and falling along with the molding sand together to improve this cast iron waste material magnetism screening installation and get rid of the effect of remaining cast iron waste material in the molding sand.

The utility model is further arranged in that the cross-sectional area of the second filtering hole is smaller than that of the first filtering hole.

Through adopting above-mentioned technical scheme, the second filtration pore is less than first filtration pore, can carry out a lot of screening to the molding sand that falls into first discharge gate and cast iron waste material, and the great cast iron waste material of volume can be blockked on first filter, and the less cast iron waste material of volume can be blockked on the second filter, through twice screening, can further reduce the content of cast iron waste material in the molding sand to improve the letter sorting effect of this cast iron waste material magnetism screening installation.

The utility model discloses further set up as, seted up on the lateral wall of first discharge gate and got the board mouth, two are got the board mouth and are used with first filter, second filter corresponding, cooperation respectively, get articulated on the board mouth and get the board door, get the board door and get the board mouth cooperation and use.

Through adopting above-mentioned technical scheme, get the board mouth and get board door cooperation and use, can accumulate a certain amount of cast iron waste material on first filter or second filter after, have first filter or second filter and get the board mouth and take out to carry out centralized processing with the cast iron waste material on first filter or second filter surface, thereby avoid because the cast iron waste material accumulates the first discharge gate that leads to and blocks up.

The utility model discloses further set up as, get fixedly connected with sealing strip on the bottom surface of board door and two sides of length direction.

Through adopting above-mentioned technical scheme, the setting of sealing strip can improve the seal of first discharge gate, prevents that the molding sand from passing and gets the board door and get the gap between the board mouth to reduce the loss of molding sand.

The utility model discloses further set up to, it is expected that the sand window is seted up on the board door to get, expects that the sand window is made by toughened glass, expects the sand window and gets board door fixed connection.

Through adopting above-mentioned technical scheme, the setting of looking at the sand window can make things convenient for the workman to observe the condition of accumulating of cast iron waste material on first filter, the second filter to accomplish timely clearance, prevent that the cast iron waste material from blockking up first discharge gate.

The utility model discloses further set up as, be provided with plug assembly on the lateral wall of first discharge gate, plug assembly includes first inserting groove and second inserting groove, and first inserting groove uses with first filter cooperation, and the second inserting groove uses with the cooperation of second inserting plate.

By adopting the technical scheme, the height position of the first filter plate can be limited by the arrangement of the first insertion groove, so that the first filter plate can be connected to the side wall of the first discharge port, and the first insertion groove can not limit the first filter plate to slide along the width direction of the first filter plate, thereby realizing the loading and unloading of the first filter plate in the first discharge port; the setting of second inserting groove can restrict the high position of second filter for the second filter can be connected on the lateral wall of second discharge gate, and the second inserting groove can not restrict the second filter and slide along second filter width direction, thereby realizes the loading and unloading of second filter in the second discharge gate.

The utility model discloses further set up as, first filter all is provided with two with the second filter, two mutual butts of first filter, two mutual butts of second filter.

Through adopting above-mentioned technical scheme, first filter, second filter all are provided with two, after the cast iron waste material has accumulated a period on first filter, second filter, can take out the first filter, the second filter that are located the upper strata, and the first filter, the second filter that are located the lower floor then continue to stay in first discharge gate to guarantee the continuation filtration to the molding sand.

To sum up, the utility model discloses following beneficial effect has:

1. the first filter plate and the second filter plate are arranged, so that the molding sand subjected to primary separation can be further screened, and the content of cast iron waste residues in the molding sand is reduced;

2. the first filter plate and the second filter plate are made of magnetic materials, and can adsorb cast iron waste in the molding sand in the process of screening the molding sand, so that the molding sand is separated from the cast iron;

3. the arrangement of the sand window is used for observing the accumulation amount of the cast iron waste on the first filter plate and the second filter plate for workers, so that the cast iron waste can be cleared away in time, and the blockage of the first discharge port caused by excessive accumulation of the cast iron waste is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view intended to show a fixed shaft;

fig. 3 is a partial enlarged view at a intended to show the plug-in module.

Reference numerals: 1. a machine base; 11. a feed inlet; 12. a first discharge port; 13. a second discharge port; 2. a filter assembly; 21. a first filter plate; 211. a first filter hole; 22. a second filter plate; 221. a second filter hole; 3. taking a plate opening; 31. taking a plate door; 32. a sealing strip; 33. a sand window is looked at; 4. a plug-in assembly; 41. a first insertion groove; 42. a second insertion groove; 5. a fixed shaft; 51. a magnet; 52. a drum; 6. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a cast iron waste material magnetism screening installation, refer to fig. 1 and 2, including frame 1, fixed axle 5 and motor 6, feed inlet 11 has been seted up to frame 1 top surface, fixed axle 5 is connected in the below of feed inlet 11, the cover is equipped with magnet 51 and rotary drum 52 on the fixed axle 5, magnet 51 and fixed axle 5 fixed connection, rotary drum 52 rotates with fixed axle 5 and is connected, the one end of rotary drum 52 axis direction is connected with motor 6, first discharge gate 12 and second discharge gate 13 have been seted up on frame 1 of rotary drum 52 below, the vertical setting of first discharge gate 12, second discharge gate 13 sets up to the direction slope of keeping away from first discharge gate 12.

The molding sand gets into cast iron waste material magnetism screening installation together by feed inlet 11 with the cast iron waste material, and along with rotating together by motor 6 pivoted rotary drum 52, the molding sand rotates when first discharge gate 12 top with the cast iron waste material, the cast iron waste material is adsorbed on rotary drum 52 and along with rotary drum 52 together continuation rotation under magnet 51's effect, and the molding sand then falls into first discharge gate 12 under the effect of gravity, when the cast iron waste material removes to second discharge gate 13 top, magnet 51's magnetic force effect disappears, the cast iron waste material falls into second discharge gate 13 under the effect of gravity, thereby accomplish the letter sorting to cast iron waste material and molding sand.

Referring to fig. 1 and 2, the base 1 is cubic, the base 1 is vertically arranged, the feed port 11 is obliquely and downwardly arranged towards one side surface close to the length direction of the base 1, a cylindrical cavity is arranged on the base 1 below the feed port 11, the axial direction of the cylindrical cavity of the base 1 is parallel to the length direction of the base 1, the fixing shaft 5 is arranged in the cylindrical cavity of the base 1, the axial line of the fixing shaft 5 is overlapped with the axial line of the cylindrical cavity of the base 1, and two ends of the fixing shaft 5 in the length direction are fixedly connected with the side walls at two ends of the base 1 in the length direction; the magnet 51 is of a columnar structure with a semicircular section, one side edge of the magnet 51 in the diameter direction is close to the feed inlet 11, the other side edge of the magnet 51 in the diameter direction is close to the second discharge outlet 13, the main body of the magnet 51 is positioned below the inclined plane of the magnet 51, and the middle part of the inclined plane of the magnet 51 is fixedly connected with the fixed shaft 5; the drum 52 is of a cylindrical structure, is sleeved on the magnet 51, and the axis of the drum 52 is superposed with the axis of the fixed shaft 5, and the drum 52 is rotatably connected with the fixed shaft 5; the first discharge port 12 is a cavity with a rectangular cross section, the first discharge port 12 is vertically arranged below the cylindrical cavity of the machine base 1, and the first discharge port 12 is communicated with the cylindrical cavity of the machine base 1; the second discharge port 13 is obliquely arranged below the cylindrical cavity of the machine base 1, and the second discharge port 13 is communicated with the cylindrical cavity of the machine base 1.

The molding sand and the waste cast iron material slide along the inclined side wall of the feeding hole 11 together, so that the molding sand and the waste cast iron material can enter the cylindrical cavity of the machine base 1 along the tangential direction of the rotary drum 52, and the molding sand is prevented from entering the cylindrical cavity of the machine base 1 along the direction opposite to the rotating direction of the rotary drum and falling into the second discharging hole 13 to influence the sorting effect of the magnetic screening equipment for the waste cast iron material; when the molding sand rotates to first discharge gate 12 top with the cast iron waste material, most cast iron waste material is adsorbed on rotary drum 52 and is together continued to rotate along with rotary drum 52 under magnet 51's effect, and the cast iron waste material that the minority is not adsorbed by magnet 51 and molding sand then fall into first discharge gate 12 under the effect of gravity, when most cast iron waste material moves to second discharge gate 13 top, because magnet 51 is the semi-cylindrical, interval between cast iron waste material and the magnet 51 is great this moment, magnet 51's magnetic force is not enough with the cast iron waste material adsorption on rotary drum 52, lead to the cast iron waste material to fall into second discharge gate 13 under the effect of gravity.

Referring to fig. 2 and 3, a filter assembly 2 is arranged in the first discharge port 12, the filter assembly 2 includes two first filter plates 21 and two second filter plates 22, the two first filter plates 21 are both rectangular plate-shaped structures made of magnetic materials, the two first filter plates 21 are both horizontally arranged, the two first filter plates 21 are tightly abutted under the action of magnetic force, the side surfaces of the first filter plates 21 are connected with the first discharge port 12, the two first filter plates 21 are both provided with first filter holes 211, and the vertical projections of the first filter holes 211 on the two first filter plates 21 are overlapped; the second filter 22 is provided with two, two second filters 22 are the rectangle platelike structure of compriseing magnetic material, two second filters 22 are all horizontally arranged in the below of first filter 21, and two second filters 22 are closely butt under the effect of magnetic force, the side of second filter 22 is connected with first discharge gate 12, second filtration pore 221 has all been seted up to the top surface of two second filters 22, the diameter of second filtration pore 221 is less than the diameter of first filtration pore 211, the vertical projection coincidence of the second filtration pore 221 on two second filters 22.

The part is not fallen into first discharge gate 12 after by magnet 51 absorbent cast iron waste material and molding sand, can pass through first filter 21 and second filter 22 in proper order, and at the in-process that passes first filter 21, second filter 22, the molding sand can pass first filtration pore 211, second filtration pore 221 smoothly, and the part cast iron waste material can be filtered by first filter 21, second filter 22, adsorb to separate with the molding sand.

Referring to fig. 3, an insertion assembly 4 is arranged between the filter assembly 2 and the side wall of the first discharge port 12, the insertion assembly 4 includes a first insertion groove 41 and a second insertion groove 42, the first insertion groove 41 is arranged on the side wall where the first filter plate 21 is connected with the first discharge port 12, the first insertion groove 41 is arranged on the side wall at the two ends of the first discharge port 12 in the length direction and the side wall of the first discharge port 12 close to the second discharge port 13, and the first insertion groove 41 is used in cooperation with the first filter plate 21; the second inserting groove 42 is disposed on the side wall of the second filter 22 connected to the first discharge port 12, and the second inserting groove 42 is disposed on the side wall of the first discharge port 12 at both ends in the length direction and the side wall of the first discharge port 12 close to the second discharge port 13, and the second inserting groove 42 is used in cooperation with the second filter 22.

Referring to fig. 3, seted up on frame 1 length direction's the lateral wall and got board mouth 3, it is provided with two to get board mouth 3, two get board mouth 3 respectively with first filter 21, the cooperation of second filter 22 is used, two are got and all are provided with in board mouth 3 and get board door 31, it is vertical to set up to get board door 31, it is articulated with frame 1's lateral wall to get board door 31's top surface, two get equal fixedly connected with sealing strip 32 on board door 31 length direction's two sides and the bottom surface, two are got the bottom surface of board door 31 respectively with the bottom surface of first inserting groove 41, the bottom surface coplane of second inserting groove 42, two are got the cavity that all seted up the rectangle on board door 31, get the toughened glass of fixedly connected with rectangle in the rectangle cavity of board door 31, thereby constitute and look at sand window 33, two are looked at sand window 33's bottom surface respectively with the top surface of first inserting groove 41, the top surface coplane.

After a period of filtration, the amount of the cast iron waste accumulated on the top surfaces of the first filter plate 21 and the second filter plate 22 can be observed through the sand observation window 33, if the cast iron waste is accumulated more and the passing of molding sand is influenced, the plate taking door 31 can be opened to take out the first filter plate 21 and the second filter plate 22 positioned on the upper layer along the width direction of the insertion groove, the first filter plate 21 and the second filter plate 22 positioned on the lower layer can continue to complete the filtration work after the plate taking door 31 is closed, and after the plate taking door 31 is closed, the sealing strip 32 of the plate taking door 31 can fill the gap between the plate taking door 31 and the side wall of the machine base 1, so that the tightness of the cast iron waste magnetic screening device is improved.

The utility model discloses a use as follows:

the molding sand and the cast iron waste slide down along the inclined side wall of the feeding hole 11 together, the molding sand and the cast iron waste enter the cylindrical cavity of the base 1 along the tangential direction of the rotary drum 52, when the molding sand and the cast iron waste rotate to the upper part of the first discharging hole 12, most of the cast iron waste is adsorbed on the rotary drum 52 under the action of the magnet 51 and rotates to the second discharging hole 13 along with the rotary drum 52, and a small part of the cast iron waste and the molding sand which are not adsorbed by the magnet 51 fall into the first discharging hole 12 under the action of gravity and sequentially pass through the first filter plate 21 and the second filter plate 22, in the process of passing through the first filter plate 21 and the second filter plate 22, the molding sand can smoothly pass through the first filter hole 211 and the second filter hole 221, and a small part of the cast iron waste can be filtered and adsorbed by the first filter plate 21 and the second filter plate 22; after filtering for a period of time, the amount of the cast iron waste accumulated on the top surfaces of the first filter plate 21 and the second filter plate 22 can be observed through the sand observation window 33, if the cast iron waste is accumulated more and the passing of the molding sand is influenced, the plate taking door 31 can be opened to take out the first filter plate 21 and the second filter plate 22 positioned on the upper layer along the width direction of the inserting groove, the first filter plate 21 and the second filter plate 22 positioned on the lower layer can continue to complete the filtering work after the plate taking door 31 is closed, and after the plate taking door 31 is closed, the sealing strip 32 can fill the gap between the plate taking door 31 and the side wall of the machine base 1; when most of the cast iron scraps move to the second discharge port 13 along with the drum 52, since the magnet 51 is in a semi-cylindrical shape, the gap between the cast iron scraps and the magnet 51 is large, the magnetic force of the magnet 51 is not enough to adsorb the cast iron scraps on the drum 52, and the cast iron scraps fall into the second discharge port 13 under the action of gravity.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a cast iron waste material magnetism screening installation, includes frame (1), feed inlet (11), fixed axle (5), magnet (51), rotary drum (52), motor (6), first discharge gate (12) and second discharge gate (13), its characterized in that: the filter assembly (2) is arranged in the first discharge hole (12), the filter assembly (2) comprises a first filter plate (21) and a second filter plate (22), the first filter plate (21) is horizontally arranged, the side surface of the first filter plate (21) is connected with the inner wall of the first discharge hole (12), and first filter holes (211) are formed in the first filter plate (21); the second filter (22) is arranged below the first filter (21), the side surface of the second filter (22) is connected with the inner wall of the first discharge hole (12), and the second filter hole (221) is formed in the second filter (22).

2. The magnetic screening apparatus of cast iron scrap according to claim 1, wherein: the first filter plate (21) and the second filter plate (22) are made of magnetic materials.

3. The magnetic screening apparatus of cast iron scrap according to claim 1, wherein: the cross-sectional area of the second filter holes (221) is smaller than that of the first filter holes (211).

4. The magnetic screening apparatus of cast iron scrap according to claim 1, wherein: the plate taking door is characterized in that a plate taking opening (3) is formed in the side wall of the first discharging opening (12), two plate taking openings (3) are formed in the side wall of the first discharging opening, the two plate taking openings (3) correspond to the first filtering plate (21) and the second filtering plate (22) respectively and are used in a matched mode, a plate taking door (31) is hinged to the plate taking opening (3), and the plate taking door (31) is used in a matched mode with the plate taking opening (3).

5. The magnetic screening apparatus of cast iron scrap according to claim 4, wherein: and sealing strips (32) are fixedly connected to the bottom surface of the plate taking door (31) and two side edges in the length direction.

6. The magnetic screening apparatus of cast iron scrap according to claim 5, wherein: the plate taking door (31) is provided with a sand viewing window (33), the sand viewing window (33) is made of toughened glass, and the sand viewing window (33) is fixedly connected with the plate taking door (31).

7. The magnetic screening apparatus of cast iron scrap according to claim 4, wherein: the filter is characterized in that a plug-in component (4) is arranged on the side wall of the first discharge hole (12), the plug-in component (4) comprises a first plug-in groove (41) and a second plug-in groove (42), the first plug-in groove (41) is matched with the first filter plate (21) for use, and the second plug-in groove (42) is matched with the second plug-in plate for use.

8. The magnetic screening apparatus of cast iron scrap according to claim 7, wherein: first filter (21) all are provided with two with second filter (22), two mutual butts of first filter (21), two mutual butts of second filter (22).

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