CN112872288A - Molding sand casting and mixing device and working method thereof - Google Patents
Molding sand casting and mixing device and working method thereof Download PDFInfo
- Publication number
- CN112872288A CN112872288A CN202110028344.3A CN202110028344A CN112872288A CN 112872288 A CN112872288 A CN 112872288A CN 202110028344 A CN202110028344 A CN 202110028344A CN 112872288 A CN112872288 A CN 112872288A
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- China
- Prior art keywords
- grinding
- sand
- mixing
- sieve plate
- box body
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Classifications
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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
- B22C5/04—Machines 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
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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
- B22C5/04—Machines 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
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/045—Devices having a horizontal stirrer shaft in a fixed receptacle
-
- 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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- 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
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
Abstract
The invention discloses a molding sand casting sand mixing device and a working method thereof, and the molding sand casting sand mixing device comprises a mixing box body, wherein the top of the mixing box body is respectively provided with a grinding motor and a feed inlet, an output shaft of the grinding motor extends into the mixing box body, the output shaft is respectively provided with a plurality of grinding balls, the grinding balls are provided with a plurality of grinding bulges, a grinding body is arranged between the grinding balls and the inner wall of the mixing box body, a sand passing channel is reserved between the grinding body and the grinding balls, the lower end of the grinding body is provided with a discharge hole, a filtering sieve plate is arranged below the grinding body, a sand mixing area is arranged below the filtering sieve plate, a stirring rod with a hollow structure is transversely arranged in the sand mixing area, one end of the stirring rod is provided with a stirring motor, the other end. According to the invention, the grinding balls are arranged for grinding in sequence, so that the coarse sand probability is reduced, coarse sand particles can be screened out, fine sand enters the sand mixing area, the additive liquid is sprayed while stirring, uniform sand mixing is realized, and the sand mixing efficiency and the quality of finished molding sand are improved.
Description
Technical Field
The invention relates to the technical field of molding sand casting, in particular to a molding sand casting and mixing device and a working method thereof.
Background
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 and go 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 roller mill time, has influenced production efficiency.
Disclosure of Invention
The invention aims to provide a molding sand casting sand mixing device and a working method thereof, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a molding sand casting sand mixing device, includes the mixing box, its innovation point lies in: the top of the mixing box body is respectively provided with a grinding motor and a feed inlet, the output shaft of the grinding motor extends into the mixing box body, the output shaft is respectively provided with a plurality of grinding balls, the grinding balls are provided with a plurality of grinding bulges, a grinding body is arranged between the grinding balls and the inner wall of the mixing box body, a sand passage is left between the grinding body and the grinding balls, the lower end of the grinding body is provided with a discharge hole which is communicated with the sand passage, a filtering sieve plate is arranged below the grinding body, the filtering sieve plate and the mixing box body are in a pull-out structure, a sand mixing area is arranged below the filtering sieve plate, a stirring rod with a hollow structure is transversely arranged in the sand mixing area, one end of the stirring rod is provided with a stirring motor, the other end of the stirring rod is provided with a rotary joint, the rotary joint is externally connected with an additive liquid, and the stirring rod is provided with a plurality of, the bottom of the mixing box body is provided with a discharge hole.
Further, the volume of the grinding ball is reduced from top to bottom, and the grinding bulges on the grinding ball are also reduced in sequence.
Further, the sand passage narrows gradually from top to bottom.
Further, the outer end of filtering the sieve sets up the pull rod, the outside of mixing the box sets up shock dynamo, the last threaded rod that sets up of shock dynamo, the pull rod cover is on the threaded rod, and fixes through the nut.
Further, the stirring paddles and the nozzles are distributed at intervals.
The working method of the sand mixing device cast according to the molding sand is characterized by comprising the following specific steps:
s1, firstly, putting the raw materials into a sand passage between a grinding body and a grinding ball through a feed inlet;
s2, starting a grinding motor to enable grinding balls to rotate, grinding and grinding the raw materials while rotating, roughly grinding the raw materials from the grinding balls at the upper part, finely grinding the raw materials to the grinding balls at the lower part, and finally dropping the raw materials onto a filter sieve plate from a discharge hole;
s3, mixing fine sand filter paper with sand by using the filter sieve plate, and leaving coarse sand on the filter sieve plate, wherein the filter sieve plate can be taken out, and the coarse sand is poured into the feed inlet again for grinding again;
and S4, starting the stirring motor, introducing the additive solution, driving the stirring paddle to rotate and stir when the stirring rod rotates, simultaneously ejecting the additive solution from the nozzle, uniformly mixing the fine sand, and discharging the final finished sand along the discharge hole.
After adopting the structure, the invention has the beneficial effects that:
the invention has simple structure and convenient use; grind in proper order through setting up a plurality of grinding balls, reduce the probability of coarse sand, also can sieve out coarse sand granule simultaneously, and the fine sand enters into the mulling district, stirs on one side, sprays the additive solution on one side, realizes even mulling, has promoted the quality of mulling efficiency and finished product molding sand.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1 mixing box body, 2 grinding motors, 3 feed inlets, 4 grinding balls, 5 grinding bulges, 6 grinding bodies, 7 sanding channels, 8 discharge holes, 9 filtering sieve plates, 10 sand mixing areas, 11 stirring rods, 12 stirring motors, 13 rotating joints, 14 stirring paddles, 15 nozzles, 16 discharge outlets, 17 pull rods, 18 vibrating motors, 19 threaded rods and 20 nuts.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, a molding sand casting sand mixing device comprises a mixing box 1, a grinding motor 2 and a feed inlet 3 are respectively arranged at the top of the mixing box 1, an output shaft of the grinding motor 1 extends into the mixing box, a plurality of grinding balls 4 are respectively arranged on the output shaft, a plurality of grinding protrusions 5 are arranged on the grinding balls 4, a grinding body 6 is arranged between the grinding balls 4 and the inner wall of the mixing box 1, a sand passage 7 is reserved between the grinding body 6 and the grinding balls 4, a discharge hole 8 is arranged at the lower end of the grinding body 6, the discharge hole 8 is communicated with the sand passage 7, a filter sieve plate 9 is arranged below the grinding body 6, the filter sieve plate 9 and the mixing box 1 are in a pull-out structure, a sand mixing area 10 is arranged below the filter sieve plate 9, a stirring rod 11 with a hollow structure is transversely arranged in the sand mixing area 10, a stirring motor 12 is arranged at one end of the stirring rod 11, and a rotary joint, the rotary joint 13 is externally connected with additive liquid, the stirring rod 11 is provided with a plurality of stirring paddles 14 and nozzles 15, and the bottom of the mixing box body 1 is provided with a discharge hole 16. Specifically, the raw materials are positioned in the sand passage 7, are ground and rolled by the grinding balls 4 and the grinding bodies 6, descend again after being rolled to a certain degree, are ground and rolled by the next grinding ball, descend again after being rolled to a certain degree, and can reduce the probability of generating coarse sand, and are finally discharged from the discharge hole 8 and fall on the filter sieve plate 9; the filtering sieve plate 9 can be taken out from the mixing box body 1, so that coarse sand can be conveniently transferred; the rotary joint 13 can avoid the water pipe from knotting; the puddler 11 and the nozzle 15 of hollow structure can realize spraying while stirring, realize even mulling, have promoted the quality of mulling efficiency and finished product molding sand.
In this embodiment, the volume of the grinding ball 4 is reduced from top to bottom, and the grinding protrusions 5 on the grinding ball are also reduced in turn. The grinding and rolling from coarse to fine are convenient, and the success rate of fine sand is improved.
In this embodiment, the sand passage 7 gradually narrows from top to bottom, and also filters coarse sand and fine sand, the fine sand may pass through a portion of the debt, and the coarse sand may pass through after being ground again.
In this embodiment, the outer end of the filter sieve plate 9 is provided with a pull rod 17, the outside of the mixing box body 1 is provided with a vibration motor 18, the vibration motor 18 is provided with a threaded rod 19, and the pull rod 17 is sleeved on the threaded rod 19 and is fixed through a nut 20. The filtering sieve plate 9 is connected with the vibrating motor 18, so that the filtering sieve plate 9 can vibrate to rapidly filter sand.
In this embodiment, stirring rake 14 and 15 interval distribution of nozzle improve the stirring and the homogeneity that sprays to the quality of mulling efficiency and finished product molding sand has been promoted.
A working method of a sand mixing device for casting according to molding sand comprises the following specific steps:
s1, firstly, putting the raw materials into a sand passage between a grinding body and a grinding ball through a feed inlet;
s2, starting a grinding motor to enable grinding balls to rotate, grinding and grinding the raw materials while rotating, roughly grinding the raw materials from the grinding balls at the upper part, finely grinding the raw materials to the grinding balls at the lower part, and finally dropping the raw materials onto a filter sieve plate from a discharge hole;
s3, mixing fine sand filter paper with sand by using the filter sieve plate, and leaving coarse sand on the filter sieve plate, wherein the filter sieve plate can be taken out, and the coarse sand is poured into the feed inlet again for grinding again;
and S4, starting the stirring motor, introducing the additive solution, driving the stirring paddle to rotate and stir when the stirring rod rotates, simultaneously ejecting the additive solution from the nozzle, uniformly mixing the fine sand, and discharging the final finished sand along the discharge hole.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a molding sand casting sand mixing device, includes the mixing box body, its characterized in that: the top of the mixing box body is respectively provided with a grinding motor and a feed inlet, the output shaft of the grinding motor extends into the mixing box body, the output shaft is respectively provided with a plurality of grinding balls, the grinding balls are provided with a plurality of grinding bulges, a grinding body is arranged between the grinding balls and the inner wall of the mixing box body, a sand passage is left between the grinding body and the grinding balls, the lower end of the grinding body is provided with a discharge hole which is communicated with the sand passage, a filtering sieve plate is arranged below the grinding body, the filtering sieve plate and the mixing box body are in a pull-out structure, a sand mixing area is arranged below the filtering sieve plate, a stirring rod with a hollow structure is transversely arranged in the sand mixing area, one end of the stirring rod is provided with a stirring motor, the other end of the stirring rod is provided with a rotary joint, the rotary joint is externally connected with an additive liquid, and the stirring rod is provided with a plurality of, the bottom of the mixing box body is provided with a discharge hole.
2. The sand molding casting sand mixing device according to claim 1, characterized in that: the volume of grinding ball reduces from last to down, and the grinding arch above the grinding ball also reduces in proper order.
3. The sand molding casting sand mixing device according to claim 1, characterized in that: the sand passage gradually narrows from top to bottom.
4. The sand molding casting sand mixing device according to claim 1, characterized in that: the outer end of the filter sieve plate is provided with a pull rod, the outside of the mixing box body is provided with a vibration motor, a threaded rod is arranged on the vibration motor, and the pull rod is sleeved on the threaded rod and is fixed through a nut.
5. The sand molding casting sand mixing device according to claim 1, characterized in that: the stirring paddles and the nozzles are distributed at intervals.
6. The method of operating the sand-casting sand-mixing device of claim 1, comprising the steps of:
s1, firstly, putting the raw materials into a sand passage between a grinding body and a grinding ball through a feed inlet;
s2, starting a grinding motor to enable grinding balls to rotate, grinding and grinding the raw materials while rotating, roughly grinding the raw materials from the grinding balls at the upper part, finely grinding the raw materials to the grinding balls at the lower part, and finally dropping the raw materials onto a filter sieve plate from a discharge hole;
s3, mixing fine sand filter paper with sand by using the filter sieve plate, and leaving coarse sand on the filter sieve plate, wherein the filter sieve plate can be taken out, and the coarse sand is poured into the feed inlet again for grinding again;
and S4, starting the stirring motor, introducing the additive solution, driving the stirring paddle to rotate and stir when the stirring rod rotates, simultaneously ejecting the additive solution from the nozzle, uniformly mixing the fine sand, and discharging the final finished sand along the discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028344.3A CN112872288A (en) | 2021-01-11 | 2021-01-11 | Molding sand casting and mixing device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028344.3A CN112872288A (en) | 2021-01-11 | 2021-01-11 | Molding sand casting and mixing device and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112872288A true CN112872288A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110028344.3A Pending CN112872288A (en) | 2021-01-11 | 2021-01-11 | Molding sand casting and mixing device and working method thereof |
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| Country | Link |
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| CN (1) | CN112872288A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337840A (en) * | 2022-07-19 | 2022-11-15 | 安徽沃尔德新材料有限公司 | Production process and production device of acid-base-resistant low-VOCs-emission water-based glass glaze |
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| CN207929953U (en) * | 2017-12-29 | 2018-10-02 | 绵阳易简环保科技有限公司 | A kind of sand mixer with double milling mechanisms |
| CN207981359U (en) * | 2017-12-28 | 2018-10-19 | 天津鑫光空间科技发展有限公司 | A kind of ceramic raw material grinder |
| CN109128016A (en) * | 2018-08-31 | 2019-01-04 | 福建工友机械有限公司 | A kind of sand mixer |
| 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 |
| CN211413550U (en) * | 2019-09-26 | 2020-09-04 | 盐城大丰中信机械制造有限公司 | Sand mixer convenient for replacing rolling disc |
| CN211515957U (en) * | 2019-12-26 | 2020-09-18 | 营口宏林矿产品有限公司 | Sand mixer |
| CN111774522A (en) * | 2020-07-03 | 2020-10-16 | 河北中和铸造有限公司 | Sand mulling device for casting machine with good sand production effect |
| CN111957884A (en) * | 2020-09-04 | 2020-11-20 | 浙江坤博精工科技股份有限公司 | Molding sand casting sand mixing device |
-
2021
- 2021-01-11 CN CN202110028344.3A patent/CN112872288A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207981359U (en) * | 2017-12-28 | 2018-10-19 | 天津鑫光空间科技发展有限公司 | A kind of ceramic raw material grinder |
| CN207929953U (en) * | 2017-12-29 | 2018-10-02 | 绵阳易简环保科技有限公司 | A kind of sand mixer with double milling mechanisms |
| CN109128016A (en) * | 2018-08-31 | 2019-01-04 | 福建工友机械有限公司 | A kind of sand mixer |
| 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 |
| CN211413550U (en) * | 2019-09-26 | 2020-09-04 | 盐城大丰中信机械制造有限公司 | Sand mixer convenient for replacing rolling disc |
| CN211515957U (en) * | 2019-12-26 | 2020-09-18 | 营口宏林矿产品有限公司 | Sand mixer |
| CN111774522A (en) * | 2020-07-03 | 2020-10-16 | 河北中和铸造有限公司 | Sand mulling device for casting machine with good sand production effect |
| CN111957884A (en) * | 2020-09-04 | 2020-11-20 | 浙江坤博精工科技股份有限公司 | Molding sand casting sand mixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337840A (en) * | 2022-07-19 | 2022-11-15 | 安徽沃尔德新材料有限公司 | Production process and production device of acid-base-resistant low-VOCs-emission water-based glass glaze |
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Application publication date: 20210601 |
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