阅读说明：本技术 一种精密铸造用型砂生产装置及其加工工艺 (Molding sand production device for precision casting and machining process thereof ) 是由 李记华 李佳 于 2021-09-01 设计创作，主要内容包括：本发明属于型砂加工技术领域,具体涉及一种精密铸造用型砂生产装置及其加工工艺,该型砂生产装置,包括底座、依次安装在底座上的除杂机构、转运机构,定量传送机构、压碎机构和冷却机构,所述除杂机构一侧设置有转运机构,所述转运机构底部安装有定量传送机构,所述定量传送机构上方架设有压碎机构和冷却机构；该型砂加工工艺包括除杂、转运、压碎和冷却,本发明通过设置一种集除杂、压碎、冷却和定量输送为一体的生产流水线,实现混砂后的砂料后处理。(The invention belongs to the technical field of molding sand processing, and particularly relates to a molding sand production device for precision casting and a processing technology thereof, wherein the molding sand production device comprises a base, an impurity removing mechanism, a transfer mechanism, a quantitative conveying mechanism, a crushing mechanism and a cooling mechanism which are sequentially arranged on the base, wherein the transfer mechanism is arranged on one side of the impurity removing mechanism, the quantitative conveying mechanism is arranged at the bottom of the transfer mechanism, and the crushing mechanism and the cooling mechanism are erected above the quantitative conveying mechanism; the molding sand processing technology comprises impurity removal, transportation, crushing and cooling, and the invention realizes the post-treatment of sand materials after sand mixing by arranging a production line integrating impurity removal, crushing, cooling and quantitative conveying.)

1. The utility model provides a molding sand apparatus for producing for precision casting, includes base (7), installs edulcoration mechanism (2), transport mechanism (3) on base (7) in proper order, quantitative transport mechanism (4), crushing mechanism (5) and cooling body (6), its characterized in that: a transfer mechanism (3) is arranged on one side of the impurity removing mechanism (2), a quantitative conveying mechanism (4) is installed at the bottom of the transfer mechanism (3), and a crushing mechanism (5) and a cooling mechanism (6) are erected above the quantitative conveying mechanism (4);

the impurity removing mechanism (2) comprises a conveying table (201), an impurity removing plate (202) is mounted at the bottom of the conveying table (201), lifting rods (203) are arranged on the periphery of the impurity removing plate (202), a plurality of moving rollers (205) are mounted in the impurity removing plate (202), adjacent moving rollers (205) move metal impurities forwards through rotation and mutual extrusion, and magnetic rotating shafts (204) are arranged in the moving rollers (205);

the quantitative conveying mechanism (4) comprises a linear guide rail (401), a plurality of quantitative frames (402) are erected on the linear guide rail (401), and the quantitative frames (402) can move on the linear guide rail (401);

crushing mechanism (5) both sides are provided with curb plate (501), fixing base (502) are installed to curb plate (501) inboard, install lift cylinder (503) on fixing base (502), push rod (506) are all installed to lift cylinder (503) bottom, fixed plate (505) are installed to push rod (506) bottom of both sides, it presss from both sides (508) to install the elbow in the middle of fixed plate (505), elbow clamp (508) one end is provided with depression bar (516), elbow clamp (508) below is connected with even and pulls (510), even pull (510) bottom is connected with spring (512), push pedal (511) is installed to the spring bottom, clamp plate (513) are installed to push pedal (511) bottom.

2. The molding sand production apparatus for precision casting according to claim 1, characterized in that: the cover of cooling body (3) is established in crushing mechanism (5) one side, install spray cooling system in cooling body (3), spray cooling system can cool off the molding sand in ration frame (402) according to required humidity automatically.

3. The molding sand production apparatus for precision casting according to claim 1, characterized in that: transport mechanism (3) are including last conveyer belt (301) and lower conveyer belt (302), it accepts with conveying platform (201) to go up conveyer belt (301) one end, lower conveyer belt (302) one end is accepted with ration frame (402), and lower conveyer belt (302) are the slope setting, and install the component pole on lower conveyer belt (302).

4. The molding sand production apparatus for precision casting according to claim 1, characterized in that: the fixed plate (505) is symmetrically provided with square holes (507), the connecting plate (510) is provided with a moving rod (509), and the moving rod (509) can penetrate through the square holes (507).

5. The molding sand production apparatus for precision casting according to claim 1, characterized in that: dead lever (515) are installed to depression bar (516) bilateral symmetry, dead lever (515) are the zigzag, and dead lever (515) bottom is side lever (514).

6. The molding sand production apparatus for precision casting according to claim 5, characterized in that: one side of the bottom of the side plate (501) is provided with a cross hole (504), and the side rod (514) penetrates through the cross hole (504) and is fixed in the cross hole (504).

7. The molding sand production apparatus for precision casting according to claim 1, characterized in that: be provided with quantitative groove (403) in quantitative frame (402), be used for placing the molding sand in quantitative groove (403), and the size of quantitative groove (403) is unanimous with the size of clamp plate (513).

8. The molding sand production apparatus for precision casting according to claim 1, characterized in that: be provided with the screen cloth on conveying platform (201), and conveying platform (201) are the slope setting, and the bracing piece is installed to conveying platform (201) bottom, and conveying platform (201) one side is installed and is gathered workbin (1).

9. The molding sand production apparatus for precision casting according to claim 1, characterized in that: side channel (8) are installed to base (7) both sides, the slider is all installed to curb plate (501) and cooling body (6) bottom, the slider can slide in side channel (8).

10. A process for machining molding sand for precision casting according to any one of claims 1 to 9, comprising the steps of:

s1, impurity removal, namely, inverting the sand material which is fully mixed with sand on an impurity removal mechanism (2), and removing impurities from the sand material by a conveying table (201) and an impurity removal plate (202);

s2, transferring, namely inverting the sand material component in the quantitative frame (402) through the transferring mechanism (3);

s3, crushing, namely crushing and flattening the sand material in the quantitative frame (402) by a pressing plate (513) of a crushing mechanism (5);

and S4, cooling, and cooling the crushed and flattened sand material in a cooling mechanism (6).

Technical Field

The invention belongs to the technical field of molding sand processing, and particularly relates to a molding sand production device for precision casting and a processing technology thereof.

Background

The molding sand is mainly formed by mixing raw sand, a molding sand binder and other auxiliary materials according to a certain proportion, and the quality of the molding sand directly influences the manufacturing and processing quality. The processing of current molding sand still can not directly carry out the casting processing after mixing the stirring, probably still has metal impurity in the sand material after the mulling, and large granule sand block still exists, does not smash thoroughly, can not realize quantitative transfer, and the sand material need cool off simultaneously and keep certain humidity to maintain certain plasticity. Therefore, a production line integrating impurity removal, crushing, cooling and quantitative conveying is urgently needed, the automation degree is high, and the sand material after sand mixing is realized.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a molding sand production device for precision casting, which realizes the post-treatment of sand materials after sand mixing.

The invention provides the following technical scheme:

a molding sand production device for precision casting comprises a base, an impurity removing mechanism, a transferring mechanism, a quantitative conveying mechanism, a crushing mechanism and a cooling mechanism, wherein the impurity removing mechanism, the transferring mechanism, the quantitative conveying mechanism and the cooling mechanism are sequentially arranged on the base;

the impurity removing mechanism comprises a conveying table, an impurity removing plate is mounted at the bottom of the conveying table, lifting rods are arranged on the periphery of the impurity removing plate, a plurality of moving rollers are mounted in the impurity removing plate, adjacent moving rollers move metal impurities forwards through rotation and mutual extrusion, and magnetic rotating shafts are arranged in the moving rollers;

the quantitative conveying mechanism comprises a linear guide rail, a plurality of quantitative frames are erected on the linear guide rail, and the quantitative frames can move on the linear guide rail;

the utility model discloses a crushing mechanism, including crushing mechanism, curb plate, elbow clamp, push rod, fixed plate, push plate bottom, the crushing mechanism both sides are provided with the curb plate, the fixing base is installed to the curb plate inboard, install the lift cylinder on the fixing base, the push rod is all installed to lift cylinder bottom, the fixed plate is installed to the push rod bottom of both sides, install the elbow in the middle of the fixed plate and press from both sides, elbow clamp one end is provided with the depression bar, the elbow presss from both sides the below and is connected with and links to pull, it is connected with the spring to link to pull the bottom, the push pedal is installed to the spring bottom, the clamp plate is installed to the push pedal bottom.

Preferably, the cooling body cover is established in crushing mechanism one side, install spray cooling system in the cooling body, spray cooling system can cool off the molding sand in the ration frame according to required humidity automatically.

Preferably, the transfer mechanism includes last conveyer belt and lower conveyer belt, it accepts with the conveying platform to go up conveyer belt one end, lower conveyer belt one end is accepted with the ration frame, and the lower conveyer belt sets up for the slope, and installs the component pole on the lower conveyer belt.

Preferably, the fixed plate is symmetrically provided with square holes, the connecting plate is provided with a moving rod, and the moving rod can penetrate through the square holes.

Preferably, the fixing rods are symmetrically arranged on two sides of the pressing rod and are Z-shaped, and side rods are arranged at the bottoms of the fixing rods.

Preferably, one side of the bottom of the side plate is provided with a cross hole, and the side rod penetrates through the cross hole and is fixed in the cross hole.

Preferably, be provided with quantitative groove in the ration frame, be used for placing the molding sand in the quantitative groove, and the size of the quantitative groove is unanimous with the size of the clamp plate.

Preferably, the conveying bench is provided with the screen cloth, and the conveying bench sets up for the slope, and the bracing piece is installed to conveying bench bottom, and the case that gathers materials is installed to conveying bench one side.

Preferably, side grooves are installed on two sides of the base, sliding blocks are installed at the bottoms of the side plates and the cooling mechanism, and the sliding blocks can slide in the side grooves.

Another object of the present invention is to provide a molding sand processing technique for precision casting, which can remove impurities, crush and cool the sand material after sand mixing. In order to achieve the purpose, the invention adopts the following technical scheme:

a molding sand processing technology for precision casting comprises the following steps:

s1, removing impurities, namely, inverting the sand material which is fully mixed with sand on an impurity removing mechanism, and removing impurities from the sand material by using a conveying table and an impurity removing plate;

s2, transferring, namely inverting the sand component in a quantitative frame through a transfer mechanism;

s3, crushing, namely crushing and flattening the sand material in the quantitative frame by a pressing plate of a crushing mechanism;

and S4, cooling, and cooling the crushed and flattened sand material in a cooling mechanism.

The invention has the following beneficial effects:

according to the invention, through the production line arrangement integrating impurity removal, crushing, cooling and quantitative conveying, the sand material which is fully mixed can be subjected to post-treatment, the production quality of molding sand is ensured, the metal impurities are adsorbed by the magnetic rotating shaft in the impurity removal plate in cooperation with the movable roller and are extruded to move forwards, so that the sand material is collected by the material collection box, impurity removal and screening of the sand material are realized, the quality of the sand material of each component is consistent by the quantitative frame, quantitative component conveying is facilitated, the elbow clamp of the crushing mechanism is matched with the side rod to control the pressing plate to crush and flatten the sand material, large-particle sand material is crushed, and then the cold cutting mechanism is helpful for cooling the molding sand in the quantitative frame 402, so that the molding sand obtains certain plasticity, and the production quality of the molding sand is improved.

Drawings

FIG. 1 is an overall configuration view of a molding sand production apparatus for precision casting according to the present invention;

FIG. 2 is a structural diagram of an impurity removing plate of the molding sand production apparatus for precision casting according to the present invention;

FIG. 3 is a partial view of a crushing mechanism of the apparatus for producing molding sand for precision casting according to the present invention.

The figures are labeled as follows:

1-collecting box; 2-an impurity removal mechanism; 201-a transfer station; 202-impurity removing plate; 203-lifting rod; 204-a magnetic shaft; 205-moving rollers; 3-a transfer mechanism; 301-upper conveyor belt; 302-lower conveyor; 4-a quantitative transfer mechanism; 401-linear guide rail; 402-quantitative box; 403-a quantification tank; 5-a crushing mechanism; 501-side plate; 502-a holder; 503-a lifting cylinder; 504-cross hole; 505-a fixed plate; 506-a push rod; 507-square holes; 508-elbow clip; 509-a travel bar; 510-connecting plates; 511-push plate; 512-a spring; 513-a platen; 514-side lever; 515-a fixing rod; 516-a compression bar; 6-a cooling mechanism; 7-a base; 8-side groove.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the invention has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the invention.

With reference to fig. 1-3, a molding sand production device for precision casting comprises a base 7, an impurity removing mechanism 2, a transfer mechanism 3, a quantitative conveying mechanism 4, a crushing mechanism 5 and a cooling mechanism 6 which are sequentially mounted on the base 7, wherein the transfer mechanism 3 is arranged on one side of the impurity removing mechanism 2, the quantitative conveying mechanism 4 is mounted at the bottom of the transfer mechanism 3, and the crushing mechanism 5 and the cooling mechanism 6 are erected above the quantitative conveying mechanism 4; the impurity removing mechanism 2 comprises a conveying table 201, an impurity removing plate 202 is mounted at the bottom of the conveying table 201, lifting rods 203 are arranged on the periphery of the impurity removing plate 202, the lifting rods 203 can move the impurity removing plate 202 up and down to facilitate rolling of metal impurities, a plurality of moving rollers 205 are mounted in the impurity removing plate 202, adjacent moving rollers 205 move the metal impurities forwards through rotation and mutual extrusion, magnetic rotating shafts 204 are arranged in the moving rollers 205, the magnetic rotating shafts 204 are driven by a motor to rotate, and the metal impurities on the conveying table 201 are adsorbed through magnetic action; the quantitative conveying mechanism 4 comprises a linear guide rail 401, a plurality of quantitative frames 402 are erected on the linear guide rail 401, the quantitative frames 402 are used for conveying a certain mass of sand, and the quantitative frames 402 can move on the linear guide rail 401; 5 both sides of crushing mechanism are provided with curb plate 501, fixing base 502 is installed to curb plate 501 inboard, install lift cylinder 503 on the fixing base 502, lift cylinder 503 provides the elevating action, push rod 506 is all installed to lift cylinder 503 bottom, fixed plate 505 is installed to the push rod 506 bottom of both sides, it presss from both sides 508 to install the elbow in the middle of the fixed plate 505, elbow clamp 508 one end is provided with depression bar 516, thereby the depression bar 516 control elbow clamp 508 is pressed, elbow clamp 508 below is connected with even board 510, even board 510 bottom is connected with spring 512, push pedal 511 is installed to the spring bottom, clamp plate 513 is installed to push pedal 511 bottom, and the sand material of clamp plate 513 in to quantitative frame 402 is crushed and is leveled.

The cover of cooling body 3 is established in 5 one sides of crushing mechanism, install spray cooling system in the cooling body 3, spray cooling system can cool off the molding sand in the ration frame 402 according to required humidity automatically for the molding sand obtains certain plasticity.

In order to transport the sand material after the screening edulcoration, transport mechanism 3 includes last conveyer belt 301 and lower conveyer belt 302, it accepts with conveying platform 201 to go up conveyer belt 301 one end, lower conveyer belt 302 one end is accepted with quantitative frame 402, and lower conveyer belt 302 sets up for the slope, and installs the component pole on the lower conveyer belt 302, and the component pole is rotatable setting, and the laminating can carry out component and quantitative transport to the sand material of the conveying on the lower conveyer belt 302 on lower conveyer belt 302 to make a quantitative sand material pour into respectively in the quantitative frame 402 better.

For the motion of the elbow clamp 508 of facilitating, the symmetry is provided with square hole 507 on the fixed plate 505, be provided with carriage release lever 509 on the even board 510, carriage release lever 509 can pass square hole 507, avoids interfering the elbow clamp 508 work.

In order to ensure the controllability of the toggle clamp 508, fixing rods 515 are symmetrically arranged on two sides of the pressure lever 516, the fixing rods 515 are Z-shaped, and side rods 514 are arranged at the bottoms of the fixing rods 515; one side of the bottom of the side plate 501 is provided with a cross hole 504, the side rods 514 pass through the cross hole 504 and are fixed in the cross hole 504, and the side rods 514 on the two sides move in the cross hole 504 so as to control the pressing rod 516, so that the elbow clamp 508 drives the pressing plate 513 to crush and flatten the sand in the quantifying frame 402.

Be provided with quantitative groove 403 in the ration frame 402, be used for placing the molding sand in the quantitative groove 403, and the size of quantitative groove 403 is unanimous with the size of the clamp plate 513, is favorable to the crushing of sand material to be leveled.

For metallic impurity's edulcoration and collection, be provided with the screen cloth on the conveying platform 201, and conveying platform 201 sets up for the slope, and sand material makes metallic impurity can adsorb by the magnetism pivot 204 in the edulcoration board 202 through the conveying platform 201 of screen cloth cooperation slope in the data send process, and the bracing piece is installed to conveying platform 201 bottom, and conveying platform 201 one side is installed and is gathered workbin 1, and metallic impurity on the edulcoration board 202 rotates and extrudees each other through removing roller 205 and carries out the forward movement to collect metallic impurity by gathering workbin 1.

Side grooves 8 are installed on two sides of the base 7, sliding blocks are installed at the bottoms of the side plates 501 and the cooling mechanism 6, and the sliding blocks can slide in the side grooves 8.

The invention also provides a molding sand processing technology for precision casting by adopting the molding sand production device, which comprises the following steps:

s1, impurity removal, namely, inverting the sand material which is fully mixed with sand on the impurity removal mechanism 2, and removing impurities from the sand material by the conveying table 201 and the impurity removal plate 202;

s2, transferring, namely inverting the sand component in the quantitative frame 402 through the transferring mechanism 3;

s3, crushing, namely crushing and flattening the sand material in the quantitative frame 402 by a pressing plate 513 of the crushing mechanism 5;

and S4, cooling, and cooling the crushed and flattened sand material in a cooling mechanism 6.

The specific working principle of the invention is as follows:

the sand material that will have fully kneaded sand is invertd on edulcoration mechanism 2, and the screen cloth on the conveying platform 201 that sets up by the slope cooperates the magnetism pivot 204 in the miscellaneous board 202 of edulcoration, adsorbs metallic impurity through the magnetic action, and the rotation of removing the roller 205 makes the metallic impurity between the adjacent roller 205 of removing receive the extrusion and move forward simultaneously to drop in the case 1 that gathers materials. The sand material after the edulcoration has been sieved is transported by the last conveyer belt 301 of transport mechanism 3 and the lower conveyer belt 302 that the slope set up, and installs the component pole on the lower conveyer belt 302, and the component pole is rotatable setting, and the laminating can carry out weight and quantitative transport to the sand material of the conveying on the lower conveyer belt 302 to make a quantitative sand material pour into respectively in the ration frame 402 better. When the quantitative frame 402 is conveyed to the position right below the crushing mechanism 5, the elbow clamp 508 is driven by the moving control pressing rod 516 of the side rod 514 in the cross hole 504 under the cooperation of the spring 512, so that the pressing plate 513 crushes and flattens the sand in the quantitative frame 402, and the lifting cylinder 503 can lift the whole height of the crushing mechanism 5. When the complete sand material of crushing is carried to cooling body 6 in through ration frame 402, cool off the molding sand in the ration frame 402 according to required humidity automatically by the spraying cooling system who sets up in cooling body 6 for the molding sand obtains certain plasticity. After cooling, the dosing block 402 causes a quantity of sand to be sequentially transferred on the linear guide 401 out of the cooling mechanism 6.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.