CN111957884A - Molding sand casting sand mixing device - Google Patents

Molding sand casting sand mixing device Download PDF

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Publication number
CN111957884A
CN111957884A CN202010922324.6A CN202010922324A CN111957884A CN 111957884 A CN111957884 A CN 111957884A CN 202010922324 A CN202010922324 A CN 202010922324A CN 111957884 A CN111957884 A CN 111957884A
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CN
China
Prior art keywords
sand
device main
main part
motor
hydrojet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010922324.6A
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Chinese (zh)
Inventor
厉全明
沈国飞
罗鑫磊
赵仁华
张松
于成林
翁晨凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Kunbo Precision Technology Co ltd
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Zhejiang Kunbo Precision Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Kunbo Precision Technology Co ltd filed Critical Zhejiang Kunbo Precision Technology Co ltd
Priority to CN202010922324.6A priority Critical patent/CN111957884A/en
Publication of CN111957884A publication Critical patent/CN111957884A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C5/00Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/04Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
    • B22C5/0409Blending, mixing, kneading or stirring; Methods therefor
    • B22C5/044Devices having a vertical stirrer shaft in a fixed receptacle
    • B22C5/0445Devices having a vertical stirrer shaft in a fixed receptacle the material flowing continuously through the device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C5/00Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/04Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
    • B22C5/0409Blending, mixing, kneading or stirring; Methods therefor
    • B22C5/0472Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C5/00Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/06Machines 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention discloses a sand mixing device for casting molding sand, which comprises a device main body, a filtering sieve plate, a sand guide piece, a first motor, a liquid spraying device, a second motor, a connecting rod and a stirring blade.

Description

Molding sand casting sand mixing device
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of casting equipment, in particular to a molding sand casting and mixing device.
[ background of the invention ]
The sand mixer is a device which uniformly mixes all components in the molding sand and effectively coats the surface of the sand by the adhesive. The sand mixer is a main device for treating the casting sand and mixing the molding sand, and is also a key device for obtaining qualified molding sand, and the prior sand mixer has the following defects in the sand mixing process: 1. coarse sand particles in the raw materials cannot be removed, so that the quality of the obtained finished molding sand is influenced; 2. the mode that current roller mill adopted the compounding to roll going on in step, along with going on of roller mill process, tiny granule increases gradually, and the probability that thick granule was rolled descends gradually, and in order to guarantee the homogeneity of finished product molding sand, then need prolong the mulling time, has influenced production efficiency, consequently, is necessary to provide a molding sand casting mulling device.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a sand mixing device for casting molding sand.
In order to achieve the purpose, the invention provides a molding sand casting sand mixing device which comprises a device main body, a filtering sieve plate, a sand guide part, a first motor, a liquid spraying device, a second motor, a connecting rod and a stirring blade, wherein the filtering sieve plate is arranged in the device main body and divides the inner space of the device main body into a rolling area and a sand mixing area from top to bottom, the rolling area is internally provided with the sand guide part, the sand guide part is provided with a sand guide hole, a gap is arranged between the sand guide part and the filtering sieve plate, the top of the device main body is provided with the first motor, an output shaft of the first motor is provided with the rolling part and a sand shifting plate, the sand shifting plate is positioned in the gap, the rolling part is positioned in the sand guide hole, the liquid spraying device is arranged in the sand mixing area, the bottom center of the device main body is provided with the second motor, and a plurality of groups of connecting rods are arranged on the, the outer side of the connecting rod is provided with a stirring blade which is positioned below the liquid spraying device, and the right side and the right lower side of the top of the device main body are respectively provided with a feeding hole and a discharging hole.
Preferably, a coarse sand outlet is formed in the left side wall of the device body and connected with the left end of the gap, a pair of bilateral symmetric fans are further arranged at the top of the device body and located on the left side and the right side of the first motor, an air outlet is formed in the right side wall of the device body and located at the upper right end of the sand mixing area, a filter is arranged on the air outlet, and a support is arranged at the edge of the bottom of the device body.
Preferably, the outer side of the filtering sieve plate is provided with a limiting convex ring, and a limiting ring groove is arranged on the contact surface of the device main body and the filtering sieve plate.
As preferred, lead sand spare through welded mode fixed mounting in the nip, it is for leaking hopper-shaped to lead the sand hole, it is equipped with first decorative pattern on the downthehole lateral wall of sand hole to lead, first decorative pattern is the line of spiral decline, the line cross-section of first decorative pattern can be bellied semicircle or bellied triangle-shaped.
Preferably, the upper half part of the rolling piece is an arc part protruding upwards, the lower half part of the rolling piece is an inverted circular table part, the distance between the outer side wall of the circular table part and the inner side wall of the sand guide hole is sequentially reduced along with the reduction of the height, and the outer side wall of the circular table part is provided with a second pattern corresponding to the first pattern.
Preferably, the liquid spraying device comprises a liquid spraying main pipe, liquid spraying branch pipes, nozzles and a fixing ring frame, wherein a plurality of liquid spraying branch pipes are arranged at the bottom of the liquid spraying main pipe, the liquid spraying branch pipes are radially distributed, the nozzles are uniformly distributed at intervals at the bottom of the liquid spraying branch pipes, the fixing ring frame is arranged on the outer side of each liquid spraying branch pipe, and the fixing ring frame is fixedly installed on the side wall of the upper half part of the sand mulling zone.
Preferably, the number of the connecting rods is at least 3 groups, and the connecting rods are vertically and relatively parallel.
Preferably, the stirring blade is a clockwise spiral blade, and the stirring blade connects outer end faces of the links to each other.
The invention has the beneficial effects that: the sand mixing device is simple in structure and reasonable in design, the first motor is used for driving the rolling piece in a mode of arranging the device main body, the filtering sieve plate, the sand guide piece, the first motor, the liquid spraying device, the second motor, the connecting rod and the stirring blades, the raw materials are rolled by matching with the sand guide piece, coarse sand particles are screened out through the filtering sieve plate, fine sand enters the sand mixing area, sand mixing is carried out under the stirring action of the stirring blades driven by the second motor, liquid is uniformly sprayed by the liquid spraying device, uniform sand mixing is realized, the sand mixing efficiency and the quality of finished molding sand are improved, and molding sand raw materials can be fully utilized; through the mode that sets up fan and air outlet, will remain the raw materials of leading on the husky piece and blow off, the filter that sets up on the air outlet can effectively filter the harmful particle in the air current, avoids the air current to cause the influence to workshop personnel's health.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a sand mulling apparatus for molding sand casting according to the present invention;
FIG. 2 is an enlarged schematic view of the sand blender for molding sand casting according to the present invention at location A;
FIG. 3 is an enlarged schematic view of the sand blender for molding sand casting according to the present invention at location B;
FIG. 4 is a plan view of a liquid spraying apparatus in the sand casting and mulling apparatus according to the present invention.
In the figure: 1-a device main body, 11-a rolling area, 12-a sand mixing area, 13-a feed inlet, 14-a discharge outlet, 15-a coarse sand outlet, 16-a fan, 17-an air outlet, 171-a filter, 18-a bracket, 19-a limiting ring groove, 2-a filtering sieve plate, 21-a limiting convex ring, 3-a sand guide piece, 31-a sand guide hole and 32-a gap, 33-a first pattern, 4-a first motor, 41-a rolling piece, 411-a circular arc part, 412-a circular table part, 413-a second pattern, 42-a sand shifting plate, 5-a liquid spraying device, 51-a liquid spraying main pipe, 52-a liquid spraying branch pipe, 53-a nozzle, 54-a fixed ring frame, 6-a second motor, 7-a connecting rod and 8-a stirring blade.
[ detailed description ] embodiments
Referring to the drawings, the molding sand casting sand mixing device of the invention comprises a device main body 1, a filtering sieve plate 2, a sand guide 3, a first motor 4, a liquid spraying device 5, a second motor 6, a connecting rod 7 and a stirring blade 8, wherein the filtering sieve plate 2 is arranged inside the device main body 1, the filtering sieve plate 2 vertically divides the internal space of the device main body 1 into a grinding area 11 and a sand mixing area 12, the sand guide 3 is arranged inside the grinding area 11, a sand guide hole 31 is arranged on the sand guide 3, a gap 32 is arranged between the sand guide 3 and the filtering sieve plate 2, the first motor 4 is arranged at the top of the device main body 1, a grinding piece 41 and a sand shifting plate 42 are arranged on an output shaft of the first motor 4, the sand shifting plate 42 is positioned in the gap 32, the grinding piece 41 is positioned inside the sand guide hole 31, the liquid spraying device 5 is arranged inside the sand mixing area 12, the second motor 6 is arranged at the center of the bottom of the device main body 1, the device is characterized in that a plurality of groups of connecting rods 7 are arranged on an output shaft of the second motor 6, stirring blades 8 are arranged on the outer sides of the connecting rods 7, the stirring blades 8 are located below the liquid spraying device 5, and a feeding hole 13 and a discharging hole 14 are respectively formed in the right side and the lower right side of the top of the device body 1.
Wherein, be equipped with coarse sand export 15 on the left side wall of device main part 1, coarse sand export 15 links to each other with the left end in space 32, the top of device main part 1 still is equipped with a pair of bilateral symmetry's fan 16, fan 16 is located the left and right sides of first motor 4, be equipped with air outlet 17 on the right side wall of device main part 1, air outlet 17 is located the upper right end in mixed sand district 12, be equipped with filter 171 on the air outlet 17, the edge of device main part 1 bottom is equipped with support 18.
Wherein, the outside of filtering sieve 2 is equipped with spacing bulge loop 21, be equipped with spacing annular 19 on the contact surface of device main part 1 and filtering sieve 2.
Wherein, lead husky piece 3 through welded mode fixed mounting in the nip 11, it is for leaking hopper-shaped to lead husky hole 31, it is equipped with first decorative pattern 33 on the 31 inside walls of sand hole to lead, first decorative pattern 33 is the line of spiral decline, the line cross-section of first decorative pattern 33 can be bellied semicircle or bellied triangle-shaped.
The upper half part of the rolling element 41 is an arc part 411 which protrudes upwards, the lower half part of the rolling element 41 is an inverted circular table part 412, the distance between the outer side wall of the circular table part 412 and the inner side wall of the sand guide hole 31 decreases in sequence along with the decrease of the height, and the outer side wall of the circular table part 412 is provided with a second pattern 413 corresponding to the first pattern 33.
The liquid spraying device 5 comprises a liquid spraying main pipe 51, liquid spraying branch pipes 52, nozzles 53 and a fixing ring frame 54, wherein the bottom of the liquid spraying main pipe 51 is provided with a plurality of liquid spraying branch pipes 52, the liquid spraying branch pipes 52 are distributed in a radial shape, the bottoms of the liquid spraying branch pipes 52 are provided with a plurality of nozzles 53 which are uniformly distributed at intervals, the outer sides of the liquid spraying branch pipes 52 are provided with the fixing ring frame 54, and the fixing ring frame 54 is fixedly arranged on the side wall of the upper half part of the sand mixing area 12.
The number of the connecting rods 7 is at least 3, and the connecting rods 7 are vertically and relatively parallel.
The stirring blade 8 is a clockwise spiral blade, and the outer end faces of the connecting rods 7 are connected with each other by the stirring blade 8.
The working process of the invention is as follows:
in the working process of the molding sand casting sand mixing device, when the molding sand needs to be mixed, raw materials can be fed into the grinding area 11 through the feeding hole 13, the first motor 4 drives the grinding piece 41 and the sand shifting plate 42 to rotate, the second patterns 413 on the grinding piece 41 are matched with the first patterns 33 on the sand guide holes 31 to grind the raw materials, then the raw materials fall onto the filter sieve plate 2 through the sand guide holes 31, fine sand enters the sand mixing area 12 through the rotation of the sand shifting plate 42, coarse sand particles are discharged along the coarse sand outlet 15, the second motor 6 drives the connecting rod 7 and the stirring blade 8 to rotate, the fine sand is mixed through the addition liquid sprayed by the liquid spraying device 5, and finally the finished product sand is discharged along the discharge hole 14.
Compared with the prior art, the invention has the beneficial effects that: the sand mixing device is simple in structure and reasonable in design, the first motor 4 is used for driving the rolling part 41 to roll the raw materials by matching with the sand guiding part 3 in a mode of arranging the device main body 1, the filtering sieve plate 2, the sand guiding part 3, the first motor 4, the liquid spraying device 5, the second motor 6, the connecting rod 7 and the stirring blade 8, coarse sand particles are screened out through the filtering sieve plate 2, fine sand enters the sand mixing area 12, sand mixing is carried out under the stirring action of the stirring blade 8 driven by the second motor 6, liquid is added by the liquid spraying device 5 and is uniformly sprayed, uniform sand mixing is realized, the sand mixing efficiency and the quality of finished molding sand are improved, and the raw materials of the molding sand can be fully utilized; through the mode that sets up fan 16 and air outlet 17, will remain and blow off at the raw materials that leads on sand piece 3, the filter 171 that sets up on the air outlet 17 can effectively filter the harmful particle in the air current, avoids the air current to cause the influence to workshop personnel's health.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (8)

1. The utility model provides a molding sand casting sand mulling device which characterized in that: including device main part (1), filter sieve (2), lead husky piece (3), first motor (4), hydrojet device (5), second motor (6), connecting rod (7) and stirring leaf (8), device main part (1) inside is equipped with filters sieve (2), it separates into roll district (11) and mulling district (12) from top to bottom to filter sieve (2) with the inner space of device main part (1), roll district (11) inside is equipped with leads husky piece (3), it leads husky hole (31) to be equipped with on husky piece (3) to lead, it is equipped with space (32) between husky piece (3) and the filter sieve (2) to lead, the top of device main part (1) is equipped with first motor (4), be equipped with roll spare (41) and group husky board (42) on the output shaft of first motor (4), group husky board (42) are located space (32), roll spare (41) are located and lead husky hole (31) inside, mix sand district (12) inside and be equipped with hydrojet device (5), the bottom center department of device main part (1) is equipped with second motor (6), be equipped with multiunit connecting rod (7) on the output shaft of second motor (6), the connecting rod (7) outside is equipped with stirring leaf (8), stirring leaf (8) are located hydrojet device (5) below, the top right side and the right downside of device main part (1) are equipped with feed inlet (13) and discharge gate (14) respectively.
2. The sand casting blender as recited in claim 1, wherein: be equipped with grit export (15) on the left side wall of device main part (1), grit export (15) link to each other with the left end in space (32), the top of device main part (1) still is equipped with fan (16) of a pair of bilateral symmetry, fan (16) are located the left and right sides of first motor (4), be equipped with air outlet (17) on the right side wall of device main part (1), air outlet (17) are located the upper right end of mixing sand district (12), be equipped with filter (171) on air outlet (17), the edge of device main part (1) bottom is equipped with support (18).
3. The sand casting blender as recited in claim 1, wherein: the outside of filtering sieve board (2) is equipped with spacing bulge loop (21), be equipped with spacing annular (19) on the contact surface of device main part (1) and filtering sieve board (2).
4. The sand casting blender as recited in claim 1, wherein: lead husky piece (3) through welded mode fixed mounting in grinding district (11), it is hopper-shaped to lead husky hole (31), it is equipped with first decorative pattern (33) on husky hole (31) inside wall to lead, first decorative pattern (33) are the line of spiral decline, the line cross-section of first decorative pattern (33) can be bellied semicircle or bellied triangle-shaped.
5. The sand casting blender as recited in claim 4, wherein: the upper half of roll milling piece (41) is bellied circular arc portion (411) upwards, the lower half of roll milling piece (41) is the round platform portion (412) of invering, the interval between round platform portion (412) lateral wall and the sand guide hole (31) inside wall reduces along with the reduction of height in proper order, be equipped with second decorative pattern (413) that correspond with first decorative pattern (33) on the lateral wall of round platform portion (412).
6. The sand casting blender as recited in claim 1, wherein: hydrojet device (5) are including hydrojet house steward (51), and the hydrojet is divided pipe (52), spout (53) and fixed ring frame (54), the bottom of hydrojet house steward (51) is equipped with many hydrojets and divides pipe (52), the hydrojet is radial distribution between being divided pipe (52), the bottom that the hydrojet was divided pipe (52) is equipped with a plurality of even interval distribution's spout (53), the outside that the hydrojet was divided pipe (52) is equipped with fixed ring frame (54), fixed ring frame (54) fixed mounting is on the lateral wall of mixing sand district (12) first half.
7. The sand casting blender as recited in claim 1, wherein: the number of the connecting rods (7) is at least 3, and the connecting rods (7) are vertically and relatively parallel.
8. The sand casting blender as recited in claim 1, wherein: the stirring blades (8) are clockwise spiral blades, and the outer end faces of the connecting rods (7) are connected with each other through the stirring blades (8).
CN202010922324.6A 2020-09-04 2020-09-04 Molding sand casting sand mixing device Pending CN111957884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010922324.6A CN111957884A (en) 2020-09-04 2020-09-04 Molding sand casting sand mixing device

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Application Number Priority Date Filing Date Title
CN202010922324.6A CN111957884A (en) 2020-09-04 2020-09-04 Molding sand casting sand mixing device

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Publication Number Publication Date
CN111957884A true CN111957884A (en) 2020-11-20

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CN202010922324.6A Pending CN111957884A (en) 2020-09-04 2020-09-04 Molding sand casting sand mixing device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872288A (en) * 2021-01-11 2021-06-01 南通宏久金属制品有限公司 Molding sand casting and mixing device and working method thereof
CN114951545A (en) * 2022-05-26 2022-08-30 维捷(苏州)三维打印有限公司 Novel full-automatic sand mixer for sand mold 3D printing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206391951U (en) * 2017-01-10 2017-08-11 汉德重工(青岛)有限公司 A kind of puddle mixer with powder
CN207806518U (en) * 2017-12-22 2018-09-04 弋阳大鹏机械制造有限责任公司 A kind of casting molding sand processing unit
CN208245737U (en) * 2018-05-08 2018-12-18 南京秦驰机械制造有限公司 A kind of resin sand process units
CN208743611U (en) * 2018-09-13 2019-04-16 泉州苗亿自动化机械有限公司 A kind of novel casting founding mixing device
CN209255749U (en) * 2018-10-30 2019-08-16 渠县金城合金铸业有限公司 A kind of casting processing sand mixer
CN210045948U (en) * 2019-01-27 2020-02-11 江西金匠铸造有限公司 Accurate feeding mechanism of sand mixer
CN110899611A (en) * 2019-12-10 2020-03-24 芜湖久弘重工股份有限公司 Sand-casting and mixing device for sand casting
CN210206582U (en) * 2019-06-05 2020-03-31 江西富诚生态环境科技集团有限公司 Sand mixing device with screening function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206391951U (en) * 2017-01-10 2017-08-11 汉德重工(青岛)有限公司 A kind of puddle mixer with powder
CN207806518U (en) * 2017-12-22 2018-09-04 弋阳大鹏机械制造有限责任公司 A kind of casting molding sand processing unit
CN208245737U (en) * 2018-05-08 2018-12-18 南京秦驰机械制造有限公司 A kind of resin sand process units
CN208743611U (en) * 2018-09-13 2019-04-16 泉州苗亿自动化机械有限公司 A kind of novel casting founding mixing device
CN209255749U (en) * 2018-10-30 2019-08-16 渠县金城合金铸业有限公司 A kind of casting processing sand mixer
CN210045948U (en) * 2019-01-27 2020-02-11 江西金匠铸造有限公司 Accurate feeding mechanism of sand mixer
CN210206582U (en) * 2019-06-05 2020-03-31 江西富诚生态环境科技集团有限公司 Sand mixing device with screening function
CN110899611A (en) * 2019-12-10 2020-03-24 芜湖久弘重工股份有限公司 Sand-casting and mixing device for sand casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872288A (en) * 2021-01-11 2021-06-01 南通宏久金属制品有限公司 Molding sand casting and mixing device and working method thereof
CN114951545A (en) * 2022-05-26 2022-08-30 维捷(苏州)三维打印有限公司 Novel full-automatic sand mixer for sand mold 3D printing

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Application publication date: 20201120