CN111185572B - Casting raw material sand screening and magnetic separation treatment method - Google Patents
Casting raw material sand screening and magnetic separation treatment method Download PDFInfo
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- CN111185572B CN111185572B CN202010157430.XA CN202010157430A CN111185572B CN 111185572 B CN111185572 B CN 111185572B CN 202010157430 A CN202010157430 A CN 202010157430A CN 111185572 B CN111185572 B CN 111185572B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
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Abstract
The invention relates to the field of casting processing, in particular to a casting raw material sand screening magnetic separation treatment method, which uses a screening magnetic separation device, wherein the screening magnetic separation device comprises a primary screening groove and a secondary screening groove, the inside of the primary screening groove is of an arc structure, the bottom of the primary screening groove is provided with a plurality of first through holes, the secondary screening groove is fixedly connected to the bottom of the primary screening groove and communicated with the primary through holes through the first through holes, the inside of the secondary screening groove is of a circular hollow structure, a sand falling plate is inserted into the inner side of the secondary screening groove and positioned below the first through holes and is of an outer arc structure, two ends of the sand falling plate are fixedly connected with supports, swing arms are symmetrically hinged to the supports, two ends of the sand falling plate are symmetrically provided with limiting grooves, the swing arms are symmetrically arranged in pairs, and magnetic brushes of the arc structures are fixedly connected between the swing arms. The magnetic separation screening device can perform high-efficiency magnetic separation screening on the casting sand, and is suitable for popularization.
Description
Technical Field
The invention relates to the field of casting processing, in particular to a screening and magnetic separation treatment method for casting raw material sand.
Background
In the modern casting and processing field, sand casting is often adopted, the sand casting material is simple and cheap, the casting effect is good, the process is simple and easy to operate, and the method is always the mainstream process in the casting and processing field.
The basic raw materials of sand casting are casting sand and sand binder, only the casting sand needs to be screened before use, large particles and metal particles in the casting sand are screened out, the traditional screening method is magnetic screening, but the conventional magnetic screening cannot completely screen out the metal particles in the casting sand, and the sand casting is greatly influenced.
Therefore, the casting raw material sand screening magnetic separation treatment method is provided, casting sand can be subjected to magnetic separation screening for multiple times, metal particles in the casting sand are sufficiently screened, and the quality of the casting sand is improved.
Disclosure of Invention
In order to solve the problems, the invention provides a casting raw material sand screening and magnetic separation treatment method, which can carry out magnetic separation and screening on casting sand for multiple times, fully screen out metal particles in the casting sand and improve the quality of the casting sand.
In order to achieve the purpose, the invention adopts the following technical scheme that a screening magnetic separation treatment method for casting raw material sand uses a screening magnetic separation device, the screening magnetic separation device comprises a primary screening groove and a secondary screening groove, and the specific method for screening magnetic separation operation of the raw material sand by using the screening magnetic separation device is as follows:
s1, equipment checking: before the raw material sand is screened by the screening magnetic separation device, the operation of the equipment is checked;
s2, primary screening: and pouring the raw material sand into the screened magnetic separation device subjected to the inspection in the S1 for primary treatment, and screening out larger particles. Pouring the raw material sand into a primary screening groove, starting a vibration motor to carry out primary screening on the raw material sand, and removing larger particles;
s3, magnetic separation and screening: performing magnetic separation treatment on the raw material subjected to primary treatment in the step S2 through a secondary screening groove, screening metal particles from the raw material, enabling the screened raw material sand to fall onto a shakeout plate, separating the metal particles in the raw material sand through vibration of the shakeout plate, and capturing and adsorbing the separated metal particles by a magnetic brush;
s4, conveying and collecting: the raw material subjected to the magnetic separation and screening in S3 is collected and then collectively transferred to the next step.
The inner part of the primary screening groove is of an arc structure, the bottom of the primary screening groove is provided with a plurality of first through holes, and the secondary screening groove is fixedly connected to the bottom of the primary screening groove and communicated with the primary screening groove through the first through holes;
the inside in second grade screening groove be circular hollow structure, the inboard in second grade screening groove is located the below of a through-hole is inserted and is equipped with the knockout plate, the knockout plate is outer arc structure, the both ends fixedly connected with support of knockout plate, equal symmetry articulates on the support has the swing arm, and the spacing groove has been seted up to the equal symmetry in both ends of knockout plate, the swing arm is kept away from the one end of support is all inserted and is established in the spacing inslot, the swing arm is two bisymmetry settings, equal fixedly connected with arc structure's magnetic brush between the swing arm, one side of magnetic brush all with the outer wall of knockout plate contacts, the magnetic brush is kept away from one side of knockout plate all with the inner wall in second grade screening groove contacts.
As a preferred technical scheme of the invention, a guide plate is fixedly connected inside the primary screening groove, and the guide plate is in an arrow-shaped structure.
As a preferable technical scheme of the invention, both sides of the magnetic brush are fixedly connected with the magnetic blocks, and both sides of the magnetic brush and the outer sides of the magnetic blocks are fixedly connected with a plurality of plastic brushes.
As a preferred technical scheme, the bottom of the inner side of the secondary screening groove is fixedly connected with a sand discharge pipe, the top of the sand discharge pipe is symmetrically provided with a plurality of sand guide grooves, the bottom of the sand discharge pipe is provided with a plurality of second through holes, the second through holes penetrate through the sand discharge pipe and the secondary screening groove, and a magnetic rod is inserted in the sand discharge pipe.
As a preferred technical scheme of the invention, a plurality of magnetic stripes are symmetrically hung at the bottom of the sand falling plate, and pressing blocks are fixedly connected to the bottoms of the magnetic stripes.
As a preferred technical scheme of the invention, the outer side of the primary screening groove is symmetrically and fixedly connected with a vibration support, the bottom of the vibration support is fixedly connected with a base, one end of the base is fixedly connected with a vibration motor, and the output end of the vibration motor is fixedly connected with one end of the primary screening groove.
As a preferable technical scheme of the invention, a chute is fixedly connected in the base and below the secondary screening groove.
The invention has the beneficial effects that:
1. the invention can carry out magnetic separation and screening on the casting sand for many times, fully screens out metal particles in the casting sand and improves the quality of the casting sand.
2. The invention designs the shakeout plate, raw material sand can be fully contacted with the shakeout plate when falling through the shakeout plate with the arc-shaped structure, accumulation is avoided, reciprocating motion of the magnetic brush can be realized through vibration of the secondary screening groove, and the raw material sand can be subjected to full magnetic separation and screening treatment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is a schematic structural view of the knockout plate of the present invention;
FIG. 4 is a schematic structural view of a sand discharge pipe of the present invention;
fig. 5 is a schematic view of the structure of the magnetic brush of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 5, a casting raw sand screening and magnetic separation treatment method uses a screening and magnetic separation device, the screening and magnetic separation device includes a primary screening groove 1 and a secondary screening groove 2, and the specific method when the screening and magnetic separation device is used for screening and magnetic separation operation of raw sand is as follows:
s1, equipment checking: before the raw material sand is screened by the screening magnetic separation device, the operation of the equipment is checked;
s2, primary screening: and pouring the raw material sand into the screened magnetic separation device subjected to the inspection in the S1 for primary treatment, and screening out larger particles. Pouring the raw material sand into a primary screening groove, starting a vibration motor to carry out primary screening on the raw material sand, and removing larger particles;
s3, magnetic separation and screening: performing magnetic separation treatment on the raw material subjected to primary treatment in the step S2 through a secondary screening tank 2, and screening out metal particles from the raw material;
s4, conveying and collecting: the raw material subjected to the magnetic separation and screening in S3 is collected and then collectively transferred to the next step.
The primary screening groove 1 is of an arc structure, a plurality of first through holes 11 are formed in the bottom of the primary screening groove 1, the secondary screening groove 2 is fixedly connected to the bottom of the primary screening groove 1 and communicated with the primary screening groove through the first through holes 11, the primary screening groove 1 is used for primarily screening raw material sand to remove large particles in the raw material sand, and the first through holes 11 are used for screening the raw material sand and enabling the screened raw material sand to fall into the secondary screening groove 2;
the interior of the secondary screening groove 2 is of a circular hollow structure, a sand falling plate 21 is inserted at the inner side of the secondary screening groove 2 and positioned below the first through hole 11, the sand falling plate 21 is of an outer arc structure, two ends of the sand falling plate 21 are fixedly connected with supports 22, swing arms 23 are symmetrically hinged on the supports 22, two ends of the sand falling plate 21 are symmetrically provided with limit grooves 24, one ends of the swing arms 23 far away from the supports 22 are inserted in the limit grooves 24, the swing arms 23 are symmetrically arranged in pairs, arc-structured magnetic brushes 25 are fixedly connected between the swing arms 23, one sides of the magnetic brushes 25 are contacted with the outer wall of the sand falling plate 21, one sides of the magnetic brushes 25 far away from the sand falling plate 21 are contacted with the inner wall of the secondary screening groove 2, the secondary screening groove 2 is used for carrying out secondary screening on the raw material sand to remove metal particles in the raw material sand, the sand falling plate 21 is used for enabling the raw material sand to be in a dispersed state when falling into the secondary screening groove 2, improve the magnetic separation effect, support 22 cooperation swing arm 23 can realize reciprocating swing when second grade screening groove 2 vibrates, drives magnetic brush 25 and brushes reciprocally between the inner wall of knockout plate 21 and second grade screening groove 2, realizes the magnetic separation, and spacing groove 24 is used for cooperating the swing of swing arm 23.
One-level screening groove 1's inside fixedly connected with guide plate 12, guide plate 12 are arrow column structure, and arrow column structure's guide plate 12 can be shunted the raw materials sand of pouring into one-level screening groove 1, avoids the raw materials sand directly to fall into one number through-hole 11, and avoids the raw materials sand to spill out one-level screening groove 1 in one-level screening groove 1 vibration screening.
The equal fixedly connected with magnetic force piece 251 in both sides of magnetic brush 25, the both sides of magnetic brush 25 and a plurality of plastics brush 252 of the equal fixedly connected with in the outside that is located magnetic force piece 251, magnetic force piece 251 are arranged in adsorbing the metal particle in the raw materials sand, realize the magnetic separation, and plastics brush 252 is used for brushing the raw materials sand when the reciprocal brush of magnetic brush 25 moves, improves the effect of magnetic separation, avoids the metal particle after the magnetic separation to drop simultaneously.
Inboard bottom fixedly connected with sand discharge pipe 3 of second grade screening groove 2, a plurality of sand guide groove 31 have been seted up to sand discharge pipe 3's top symmetry, a plurality of No. two through-holes 32 have been seted up to sand discharge pipe 3's bottom, No. two through-holes 32 all run through sand discharge pipe 3 and second grade screening groove 2, the 3 interpolations of sand discharge pipe are equipped with magnetic pole 33, sand discharge pipe 3 is used for discharging the raw materials sand after the screening magnetic separation, sand guide groove 31 is used for guiding raw materials sand and gets into sand discharge pipe 3, No. two through-holes 32 are used for the discharge of raw materials sand, magnetic pole 33 can be when raw materials sand is discharged further carry out the magnetic separation to the raw materials sand, improve the magnetic separation effect.
A plurality of magnetic stripes are hung to the bottom symmetry of knockout plate 21, and the equal fixedly connected with briquetting in bottom of magnetic stripe, magnetic stripe cooperation briquetting can realize hanging, adsorbs levitating metal particle when raw materials sand droops.
The outside symmetry fixedly connected with vibration support 4 of one-level screening groove 1, the bottom fixedly connected with base 5 of vibration support 4, the one end fixedly connected with vibrating motor 51 of base 5, vibrating motor 51's output fixed connection is in the one end of one-level screening groove 1, and vibrating support 4 cooperates vibrating motor 51 to be used for producing the vibration, realizes screening and magnetic separation, and base 5 is used for fixing and supporting.
The base 5 is internally provided with a chute 6 fixedly connected below the secondary screening groove 2, and the chute 6 is used for guiding the screened raw material sand to be conveniently conveyed and collected.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a casting raw materials sand screening magnetic separation processing method which has used a screening magnetic separation device, and this screening magnetic separation device includes one-level screening groove (1) and second grade screening groove (2), its characterized in that: the specific method for carrying out screening magnetic separation operation on the raw material sand by adopting the screening magnetic separation device is as follows:
s1, equipment checking: before the raw material sand is screened by the screening magnetic separation device, the operation of the equipment is checked;
s2, primary screening: pouring the raw material sand into the screened magnetic separation device subjected to the inspection in the S1 for primary treatment, and screening out larger particles;
s3, magnetic separation and screening: carrying out magnetic separation treatment on the raw material subjected to primary treatment in the step S2 through a secondary screening groove (2), and screening out metal particles from the raw material;
s4, conveying and collecting: collecting the raw materials subjected to magnetic separation and screening in the step S3, and then uniformly conveying the raw materials to the next process;
the inner part of the primary screening groove (1) is of an arc structure, a plurality of first through holes (11) are formed in the bottom of the primary screening groove (1), and the secondary screening groove (2) is fixedly connected to the bottom of the primary screening groove (1) and communicated with the first through holes (11);
the interior of the second-stage screening groove (2) is of a circular hollow structure, a sand falling plate (21) is inserted into the inner side of the second-stage screening groove (2) and is positioned below the first through hole (11), the sand falling plate (21) is of an outer arc structure, two ends of the sand falling plate (21) are fixedly connected with a bracket (22), swing arms (23) are symmetrically hinged on the bracket (22), two ends of the knockout plate (21) are symmetrically provided with limit grooves (24), one end of the swing arm (23) far away from the bracket (22) is inserted in the limit groove (24), the swing arms (23) are arranged in pairs and symmetrically, magnetic brushes (25) with arc structures are fixedly connected between the swing arms (23), one side of the magnetic brush (25) is in contact with the outer wall of the sand falling plate (21), one side of the magnetic brush (25) far away from the sand falling plate (21) is in contact with the inner wall of the secondary screening groove (2).
2. The casting raw material sand screening magnetic separation treatment method as claimed in claim 1, characterized in that: the inside fixedly connected with guide plate (12) in one-level screening groove (1), guide plate (12) are arrow-shaped structure.
3. The casting raw material sand screening magnetic separation treatment method as claimed in claim 1, characterized in that: both sides of the magnetic brush (25) are fixedly connected with magnetic blocks (251), and both sides of the magnetic brush (25) and positioned at the outer sides of the magnetic blocks (251) are fixedly connected with a plurality of plastic brushes (252).
4. The casting raw material sand screening magnetic separation treatment method as claimed in claim 1, characterized in that: inboard bottom fixedly connected with sand discharge pipe (3) of second grade screening groove (2), a plurality of sand guide groove (31) have been seted up to the top symmetry of sand discharge pipe (3), a plurality of No. two through-holes (32) have been seted up to the bottom of sand discharge pipe (3), No. two through-holes (32) all run through sand discharge pipe (3) with second grade screening groove (2), sand discharge pipe (3) interpolation is equipped with magnetic pole (33).
5. The casting raw material sand screening magnetic separation treatment method as claimed in claim 1, characterized in that: a plurality of magnetic stripes are symmetrically hung at the bottom of the shakeout plate (21), and pressing blocks are fixedly connected to the bottoms of the magnetic stripes.
6. The casting raw material sand screening magnetic separation treatment method as claimed in claim 1, characterized in that: the outside symmetry fixedly connected with vibration support (4) of one-level screening groove (1), the bottom fixedly connected with base (5) of vibration support (4), the one end fixedly connected with vibrating motor (51) of base (5), the output fixed connection of vibrating motor (51) is in the one end of one-level screening groove (1).
7. The casting raw material sand screening magnetic separation treatment method as claimed in claim 6, characterized in that: the base (5) is internally and fixedly connected with a chute (6) below the secondary screening groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157430.XA CN111185572B (en) | 2020-03-09 | 2020-03-09 | Casting raw material sand screening and magnetic separation treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010157430.XA CN111185572B (en) | 2020-03-09 | 2020-03-09 | Casting raw material sand screening and magnetic separation treatment method |
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| CN111185572A CN111185572A (en) | 2020-05-22 |
| CN111185572B true CN111185572B (en) | 2021-03-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114570893B (en) * | 2022-03-23 | 2024-05-03 | 衡水冀鑫智能机械科技有限公司 | Waste sand collecting device for sand shooting machine |
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|---|---|---|---|---|
| JPS53134728A (en) * | 1976-11-19 | 1978-11-24 | Kijima Hajime | Method of purifying sand for casting |
| CN2748176Y (en) * | 2004-12-03 | 2005-12-28 | 李兴斌 | Magnetism dry dressing machine of iron ore |
| CN102990001A (en) * | 2012-12-07 | 2013-03-27 | 青岛通力机械制造有限公司 | Air-separating and magnetic-separating machine |
| CN203209176U (en) * | 2013-05-10 | 2013-09-25 | 山东华特磁电科技股份有限公司 | Swinging-pole blowing dry separator for fine powders |
| CN204953813U (en) * | 2015-08-19 | 2016-01-13 | 江阴市东仁机械有限公司 | Through magnet separator |
| CN206152962U (en) * | 2016-08-29 | 2017-05-10 | 山西永益铸管股份有限公司 | Waste material iron sand collection device |
| CN207900138U (en) * | 2018-01-15 | 2018-09-25 | 江苏力崛模塑科技有限公司 | A kind of through separation magnetic separator of casting mould jig |
| CN208194662U (en) * | 2018-07-28 | 2018-12-07 | 石城县恒兴选矿设备制造有限公司 | A kind of mining magnetic separator of Double Selection |
-
2020
- 2020-03-09 CN CN202010157430.XA patent/CN111185572B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53134728A (en) * | 1976-11-19 | 1978-11-24 | Kijima Hajime | Method of purifying sand for casting |
| CN2748176Y (en) * | 2004-12-03 | 2005-12-28 | 李兴斌 | Magnetism dry dressing machine of iron ore |
| CN102990001A (en) * | 2012-12-07 | 2013-03-27 | 青岛通力机械制造有限公司 | Air-separating and magnetic-separating machine |
| CN203209176U (en) * | 2013-05-10 | 2013-09-25 | 山东华特磁电科技股份有限公司 | Swinging-pole blowing dry separator for fine powders |
| CN204953813U (en) * | 2015-08-19 | 2016-01-13 | 江阴市东仁机械有限公司 | Through magnet separator |
| CN206152962U (en) * | 2016-08-29 | 2017-05-10 | 山西永益铸管股份有限公司 | Waste material iron sand collection device |
| CN207900138U (en) * | 2018-01-15 | 2018-09-25 | 江苏力崛模塑科技有限公司 | A kind of through separation magnetic separator of casting mould jig |
| CN208194662U (en) * | 2018-07-28 | 2018-12-07 | 石城县恒兴选矿设备制造有限公司 | A kind of mining magnetic separator of Double Selection |
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Effective date of registration: 20210311 Address after: 025150 Railway Development Zone on the north side of west section of soboliga street, Daban Town, Balinyou banner, Chifeng City, Inner Mongolia Autonomous Region Applicant after: Inner Mongolia Jingying Sand Industry Co.,Ltd. Address before: 221100 China University of mining and technology, No.1, Daxue Road, Tongshan District, Xuzhou City, Jiangsu Province Applicant before: Chen Xiulan |
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