CN112589051A - Precision part sand mold casting process - Google Patents
Precision part sand mold casting process Download PDFInfo
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- CN112589051A CN112589051A CN202011473312.6A CN202011473312A CN112589051A CN 112589051 A CN112589051 A CN 112589051A CN 202011473312 A CN202011473312 A CN 202011473312A CN 112589051 A CN112589051 A CN 112589051A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
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Abstract
The invention provides a precision part sand mold casting process which comprises a rotary clamping mechanism, a lifting steering mechanism, an actuating mechanism and a circular plate, wherein the actuating mechanism is installed on the circular plate, the rotary clamping mechanism is arranged right above the actuating mechanism, the rotary clamping mechanism is installed on the lifting steering mechanism, the lifting steering mechanism is installed on the circular plate, and the lifting steering mechanism is located right above the rotary clamping mechanism; the invention solves the problems that the traditional slurry dipping process adopts manual slurry dipping, the labor intensity is high, the production efficiency is lower, the dust is larger in the slurry dipping process, and the physical damage to operators is higher; in addition, in order to ensure that the slurry is not solidified and deposited, the slurry must be stirred by manpower at variable times, which wastes time and labor, and causes the problems of non-uniform slurry adhesion and the like.
Description
Technical Field
The invention relates to the technical field of sand casting, in particular to a sand casting process for precision parts.
Background
Sand casting refers to a casting method for producing castings in sand molds; steel, iron and most nonferrous metal castings can be obtained by sand casting; because the molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and can adapt to single-piece production, batch production and mass production of castings, the method is always a basic process in casting production for a long time;
the stainless steel valve body is cast by a sand casting process, and because the requirements on the dimensional precision and the surface roughness are extremely fine, in order to ensure the surface quality and the formwork strength of the stainless steel valve body and the good matching of the valve body formwork and a sand casting mold, the stainless steel valve body is precisely cast, and a precision casting slurry-dipping shell making frame body cannot be opened naturally; the slurry dipping is finished in a slurry dipping machine, the traditional slurry dipping process adopts manual slurry dipping, the labor intensity is high, the production efficiency is low, the dust is large in the slurry dipping process, and the harm to the body of an operator is high; in addition, in order to ensure that the slurry is not solidified and deposited, the slurry must be stirred by manpower at variable times, which wastes time and labor and causes the slurry to be incapable of being uniformly adhered; therefore, the invention provides a sand casting process for precision parts.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the casting process of the precision part sand mold uses a precision part sand mold casting device, the casting device comprises a rotary clamping mechanism, a lifting steering mechanism, an actuating mechanism and a circular plate, and the specific method for dipping the precision part sand mold to make the shell frame body by adopting the casting device comprises the following steps:
s1, clamping and fixing: the wax rod on the wax mould is clamped through the clamping unit, so that the stability of the wax mould in the rotating slurry dipping operation is improved;
s2, lifting, rotating and dipping: descending and moving the wax pattern clamped in the step S1 through a lifting and steering mechanism, and rotating and dipping the wax pattern through a rotating and clamping mechanism;
s3, sand spraying treatment: lifting the wax mould dipped with the slurry in the step S2 through a lifting steering mechanism, rotating outwards by one hundred eighty degrees, removing the wax mould dipped with the slurry, spraying sand on the wax mould dipped with the slurry, repeating a plurality of layers to obtain a mould shell, and dewaxing the mould shell after air drying to obtain a sand mould shell-making frame body of the part;
the circular plate is provided with an actuating mechanism, a rotary clamping mechanism is arranged right above the actuating mechanism, the rotary clamping mechanism is arranged on a lifting steering mechanism, the lifting steering mechanism is arranged on the circular plate, and the lifting steering mechanism is arranged right above the rotary clamping mechanism;
the rotary clamping mechanism comprises a crank rotating frame, a hoisting vertical frame, a servo motor, a main position crank connecting rod, a rotary round table, an auxiliary position crank connecting rod, a clamping unit and a pressing plate; the crank rotating frame is arranged on the lifting steering mechanism, a hoisting vertical frame is arranged at the shaft end of one side of the crank rotating frame, the hoisting vertical frame is provided with a servo motor through a motor base, an output shaft of the servo motor is connected with a main position crank connecting rod through a coupler, the main position crank connecting rod is arranged on the hoisting vertical frame through a bearing, a rotary round table is arranged at the bottom shaft end of the main position crank connecting rod through a flange, a plurality of auxiliary position crank connecting rods are arranged on the rotary round table through bearings, the auxiliary position crank connecting rods are annularly distributed along the circumferential direction of the rotary table of the auxiliary position crank connecting rods, the outer ring of a bottom shaft lever of each auxiliary position crank connecting rod is connected with the pressing plate through a bearing, the clamping unit is arranged at the bottom shaft end of the auxiliary position crank connecting rod and is positioned right below the pressing plate, and the pressing plate is arranged at the bottom shaft end of the hoisting stand; the pressing plate is pushed to descend through the lifting steering mechanism, the pressing plate descends to abut against the top of the circular pulp barrel, the main position crank connecting rod is driven to rotate through the servo motor, the rotary round table rotates eccentrically, the auxiliary position crank connecting rod is driven to rotate in a deviation mode, and the clamping unit rotates to be stained with pulp.
The clamping unit comprises a rectangular frame, a rotating shaft, a compression spring, a connecting rod clamping jaw, a rotating wheel, a rocking wheel screw rod and a linkage guide rod; the rectangular frame is installed on the bottom shaft end of the auxiliary position crank connecting rod, a rotating shaft is installed on the rectangular frame through a bearing and penetrates through the inside of the connecting rod clamping jaw in a sliding fit mode, compression springs are arranged on outer rings of shaft levers on two sides of the rotating shaft respectively, the compression springs are abutted against the inner wall of the rectangular frame, the connecting rod clamping jaw is symmetrically installed on the rectangular frame through a hinge pin, the connecting rod clamping jaws are distributed in an up-and-down staggered mode, rotating wheels are installed on the inner shaft end of the connecting rod clamping jaw through bearings and are abutted against wheel rocking screws in a rotating mode, the wheel rocking screws are installed on the rectangular frame in a thread fit mode, and the linkage guide rod is installed on the bottom end face of the rectangular frame; thereby support through compression spring and push away the clamping force of connecting rod clamping jaw, thereby use rocking wheel lead screw and runner butt control connecting rod clamping jaw's clamping dynamics and centre gripping diameter, linkage guide arm and impeller joint.
Preferably, the lifting steering mechanism comprises an L-shaped main vertical support, a pushing cylinder, a straight plate, a lifting shaft lever, a main belt wheel, an auxiliary belt wheel, a motor and a conveying belt; the L-shaped main vertical support is arranged on a circular plate, a pushing cylinder is arranged on the L-shaped main vertical support through a cylinder block, an output shaft of the pushing cylinder is provided with a straight plate through a joint, a lifting shaft rod is arranged at one side shaft end of the straight plate and is in rotary lifting connection with a main belt wheel through a ball spline, the main belt wheel is arranged on the L-shaped main vertical support through a bearing, an auxiliary belt wheel is arranged on the outer side of the main belt wheel, the auxiliary belt wheel is arranged on the output shaft end of a motor through a flange, the motor is arranged on the L-shaped main vertical support through a motor block, and the main belt wheel and the auxiliary belt wheel are mutually connected in a rotating manner through a transmission belt arranged on an outer ring; the straight plate is pushed to rise through the pushing cylinder, the lifting shaft lever pulls the rotary clamping mechanism to rise synchronously, and the auxiliary belt wheel is driven by the motor to rotate the conveying belt, so that the main belt wheel rotates to control the lifting shaft lever to rotate by one hundred eighty degrees.
Preferably, the actuating mechanism comprises a main beam bracket, a circular paddle drum and a stirring impeller; the main beam support is arranged on the circular plate, the circular slurry barrel is arranged on the main beam support through a bearing seat, stirring impellers are uniformly arranged on the inner end surface of the circular slurry barrel through a bearing, and the stirring impellers are annularly distributed along the circumferential direction of the circular slurry barrel; the linkage guide rod is connected with the stirring impeller in a clamping manner, so that the stirring impeller is driven to rotate, and the slurry in the circular slurry barrel is prevented from being solidified.
Preferably, the output shaft end of the rocking wheel screw is designed to be conical, the clamping force of the connecting rod clamping jaw is conveniently controlled according to the size of the conical outer ring of the output shaft end of the rocking wheel screw, and the clamping of wax molds with different force clamping and different diameter sizes is met.
Preferably, the hexagonal hole is formed in the bottom shaft end of the linkage guide rod, and the hexagonal hole is formed in the bottom shaft end of the linkage guide rod and is conveniently clamped with the stirring impeller, so that the stirring impeller is driven to rotate, and the slurry is guaranteed not to be solidified.
Preferably, the outer wall of the lifting shaft rod is uniformly provided with U-shaped grooves around the circumferential direction of the outer wall of the lifting shaft rod, the U-shaped grooves are uniformly arranged around the circumferential direction of the outer wall of the lifting shaft rod, the sliding, pulling and rotating and clamping mechanism can conveniently perform lifting linear movement, and one-hundred-eighty-degree rotation can be realized, so that the wax pattern stained with the slurry is transferred.
The invention has the beneficial effects that:
according to the rotary clamping mechanism, the principle that the crank drives four groups of four-bar mechanisms is applied, so that one servo motor is linked with a plurality of clamping units to rotate, the slurry dipping uniformity of a wax pattern is effectively improved, and the purpose of fully dipping the wax pattern is achieved.
The pressure plate is pushed to descend by the lifting and steering mechanism, so that the pressure plate descends to abut against the top of the circular pulp barrel, and the phenomenon of pulp splashing when the wax mold is stained with pulp can be prevented.
And thirdly, the invention is clamped with the stirring impeller through the linkage guide rod, so that the stirring impeller is driven to rotate, the slurry in the circular slurry barrel is ensured not to be solidified, and the problems of non-uniform slurry sticking and the like are prevented.
The lifting shaft lever slides to pull the rotary clamping mechanism to perform lifting linear movement, and one-hundred-eighty-degree rotation can be realized, so that the wax mould after slurry dipping is transferred, and large-scale production operation is conveniently performed by slurry dipping and shell making.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic flow diagram of a precision part sand casting process of the present invention;
FIG. 2 is a schematic view of the left-side perspective of the home position of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the right side perspective of the home position of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 6 is a perspective view of the present invention in a primary viewing position;
fig. 7 is a perspective view of a clamping unit according to the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 7, a precision part sand casting process uses a precision part sand casting device, the casting device comprises a rotary clamping mechanism 1, a lifting steering mechanism 2, an actuating mechanism 3 and a circular plate 4, and the specific method for dipping a shell making frame body on a precision part sand mold by adopting the casting device comprises the following steps:
s1, clamping and fixing: the wax rod on the wax mould is clamped through the clamping unit 16, so that the stability of the wax mould in the rotating slurry dipping operation is improved;
s2, lifting, rotating and dipping: the wax pattern clamped in the step S1 is lowered and moved by the lifting and steering mechanism 2, and the wax pattern is rotated and dipped by the rotating and clamping mechanism 1;
s3, sand spraying treatment: lifting the wax mould dipped in the slurry in the step S2 by the lifting and steering mechanism 2, rotating the wax mould towards the outer side by one hundred eighty degrees, moving out the wax mould dipped in the slurry, spraying sand on the wax mould dipped in the slurry, repeating a plurality of layers to obtain a mould shell, and dewaxing the mould shell after the mould shell is air-dried to obtain a sand mould shell-making frame body of the part;
the circular plate 4 is provided with an actuating mechanism 3, a rotary clamping mechanism 1 is arranged right above the actuating mechanism 3, the rotary clamping mechanism 1 is arranged on a lifting steering mechanism 2, the lifting steering mechanism 2 is arranged on the circular plate 4, and the lifting steering mechanism 2 is arranged right above the rotary clamping mechanism 1;
the rotary clamping mechanism 1 comprises a crank rotating frame 10, a hoisting vertical frame 11, a servo motor 12, a main position crank connecting rod 13, a rotary round table 14, an auxiliary position crank connecting rod 15, a clamping unit 16 and a pressing plate 17; the crank rotating frame 10 is arranged on a lifting shaft rod 23, a hoisting vertical frame 11 is arranged at one side shaft end of the crank rotating frame 10, a servo motor 12 is arranged on the hoisting vertical frame 11 through a motor base, an output shaft of the servo motor 12 is connected with a main position crank connecting rod 13 through a coupler, the main position crank connecting rod 13 is arranged on the hoisting vertical frame 11 through a bearing, a rotary table 14 is arranged at the bottom shaft end of the main position crank connecting rod 13 through a flange, a plurality of auxiliary position crank connecting rods 15 are arranged on the rotary table 14 through bearings, the auxiliary position crank connecting rods 15 are distributed annularly along the circumferential direction of the rotary table 14, the outer ring of the bottom shaft rod of the auxiliary position crank connecting rod 15 is connected with a pressing plate 17 through the bearing, a clamping unit 16 is arranged at the bottom shaft end of the auxiliary position crank connecting rod 15, and the clamping unit 16 is arranged under the pressing plate 17, the pressing plate 17 is arranged on the bottom shaft end of the hoisting stand 11; the lifting steering mechanism 2 pushes the pressing plate 17 to descend, so that the pressing plate 17 descends to abut against the top of the circular pulp barrel 31, the servo motor 12 drives the main position crank connecting rod 13 to rotate, the rotary round table 14 eccentrically rotates, the auxiliary position crank connecting rod 15 is driven to deflect and rotate, and the clamping unit 16 rotates to dip pulp.
The clamping unit 16 comprises a rectangular frame 161, a rotating shaft 162, a compression spring 163, a connecting rod clamping jaw 164, a rotating wheel 165, a rocking wheel screw 166 and a linkage guide rod 167; the rectangular frame 161 is installed on the bottom shaft end of the auxiliary position crank connecting rod 15, the rotating shaft 162 is installed on the rectangular frame 161 through a bearing, the rotating shaft 162 penetrates through the inside of the connecting rod clamping jaws 164 in a sliding fit mode, compression springs 163 are respectively arranged on outer rings of shaft rods on two sides of the rotating shaft 162, the compression springs 163 are mutually abutted to the inner wall of the rectangular frame 161, the connecting rod clamping jaws 164 are symmetrically installed on the rectangular frame 161 through hinge pins, the connecting rod clamping jaws 164 are vertically staggered, rotating wheels 165 are installed on the inner side shaft ends of the connecting rod clamping jaws 164 through bearings, the rotating wheels 165 are mutually abutted to the rocking wheel screw rod 166 through a rotating mode, the rocking wheel screw rod 166 is installed on the rectangular frame 161 through a thread fit mode, the output shaft end of the rocking wheel screw rod 166 is designed to be conical, and the output shaft end of the rocking wheel screw rod 166 is designed to be conical, the clamping force of the connecting rod clamping jaw 164 is conveniently controlled according to the size of the conical outer ring at the output shaft end of the rocking wheel screw 166, and different force clamping and wax mold clamping with different diameter sizes are met; the linkage guide rod 167 is installed on the bottom end face of the rectangular frame 161, a hexagonal hole is formed at the bottom shaft end of the linkage guide rod 167, and the hexagonal hole is formed at the bottom shaft end of the linkage guide rod 167 and is conveniently clamped with the stirring impeller 32, so that the stirring impeller 32 is driven to rotate, and the slurry is ensured not to be solidified; the compression spring 163 pushes the connecting rod clamping jaw 164 to obtain a clamping force, the rocking wheel screw 166 is used to push the rotating wheel 165 to control the clamping force and the clamping diameter of the connecting rod clamping jaw 164, and the linkage guide rod 167 is clamped with the stirring impeller 32.
The lifting steering mechanism 2 comprises an L-shaped main vertical support 20, a pushing cylinder 21, a straight plate 22, a lifting shaft rod 23, a main belt wheel 24, an auxiliary belt wheel 25, a motor 26 and a transmission belt 27; the L-shaped main vertical support 20 is arranged on the circular plate 4, the L-shaped main vertical support 20 is provided with a pushing cylinder 21 through a cylinder seat, an output shaft of the pushing cylinder 21 is provided with a straight plate 22 through a joint, a lifting shaft rod 23 is arranged at one side shaft end of the straight plate 22, the outer wall of the lifting shaft rod 23 is uniformly provided with U-shaped grooves around the circumferential direction of the lifting shaft rod, the sliding pulling rotary clamping mechanism 1 is convenient to perform lifting linear movement, and one-hundred-eighty degree rotation can be realized, so that a wax mould stained with slurry is transferred; the lifting shaft rod 23 is connected with a main belt wheel 24 in a rotating lifting way through a ball spline, the main belt wheel 24 is installed on an L-shaped main vertical support 20 through a bearing, an auxiliary belt wheel 25 is arranged on the outer side of the main belt wheel 24, the auxiliary belt wheel 25 is installed on the output shaft end of a motor 26 through a flange, the motor 26 is installed on the L-shaped main vertical support 20 through a motor base, and the main belt wheel 24 and the auxiliary belt wheel 25 are mutually connected in a rotating way through a transmission belt 27 arranged on the outer ring; the straight plate 22 is pushed to rise by the pushing cylinder 21, the lifting shaft rod 23 pulls the rotary clamping mechanism 1 to rise synchronously, and the secondary belt wheel 25 is driven by the motor 26 to rotate the transmission belt 27, so that the main belt wheel 24 rotates to control the lifting shaft rod 23 to rotate by one hundred eighty degrees.
The actuating mechanism 3 comprises a main beam bracket 30, a circular pulp barrel 31 and a stirring impeller 32; the main beam support 30 is arranged on the circular plate 4, the circular pulp cylinder 31 is arranged on the main beam support 30 through a bearing seat, the stirring impellers 32 are uniformly arranged on the inner end surface of the circular pulp cylinder 31 through bearings, and the stirring impellers 32 are annularly distributed along the circumferential direction of the circular pulp cylinder 31; the linkage guide rod 167 is connected with the stirring impeller 32 in a clamping manner, so that the stirring impeller 32 is driven to rotate, and the slurry in the circular slurry barrel 31 is ensured not to be solidified.
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 (6)
1. The utility model provides a precision parts sand casting technology, its used a precision parts sand casting equipment, this casting equipment includes rotary clamping mechanism (1), lift steering mechanism (2), actuating mechanism (3) and plectane (4), its characterized in that: the concrete method for preparing the shell frame body by dipping the precision part sand mold by adopting the casting equipment comprises the following steps:
s1, clamping and fixing: the wax rod on the wax mould is clamped through the clamping unit (16), so that the stability of the wax mould in the rotating slurry dipping operation is improved;
s2, lifting, rotating and dipping: the wax pattern clamped in the S1 is descended through a lifting and steering mechanism (2), and the wax pattern is rotated and dipped through a rotating and clamping mechanism (1);
s3, sand spraying treatment: lifting the wax mould dipped in the slurry in the step S2 through a lifting steering mechanism (2), rotating outwards by one hundred eighty degrees, removing the wax mould dipped in the slurry, spraying sand on the wax mould dipped in the slurry, repeating a plurality of layers to obtain a mould shell, and dewaxing the mould shell after the mould shell is dried in the air to obtain a sand mould shell-making frame body of the part;
an actuating mechanism (3) is installed on the circular plate (4), a rotary clamping mechanism (1) is arranged right above the actuating mechanism (3), the rotary clamping mechanism (1) is installed on a lifting steering mechanism (2), the lifting steering mechanism (2) is installed on the circular plate (4), and the lifting steering mechanism (2) is located right above the rotary clamping mechanism (1);
the rotary clamping mechanism (1) comprises a crank rotating frame (10), a hoisting vertical frame (11), a servo motor (12), a main position crank connecting rod (13), a rotary round table (14), an auxiliary position crank connecting rod (15), a clamping unit (16) and a pressing plate (17); the lifting mechanism is characterized in that the crank rotating frame (10) is arranged on the lifting steering mechanism (2), a lifting vertical frame (11) is arranged at one side shaft end of the crank rotating frame (10), a servo motor (12) is arranged on the lifting vertical frame (11) through a motor base, an output shaft of the servo motor (12) is connected with a main position crank connecting rod (13) through a shaft coupling, the main position crank connecting rod (13) is arranged on the lifting vertical frame (11) through a bearing, a rotary round table (14) is arranged at the bottom shaft end of the main position crank connecting rod (13) through a flange, a plurality of auxiliary position crank connecting rods (15) are arranged on the rotary round table (14) through bearings, the auxiliary position crank connecting rods (15) are distributed annularly along the circumferential direction of the rotary round table (14), and the outer ring of a bottom shaft rod of the auxiliary position crank connecting rods (15) is connected with a pressing plate (17) through a bearing, a clamping unit (16) is installed at the bottom shaft end of the auxiliary position crank connecting rod (15), the clamping unit (16) is located right below the pressing plate (17), and the pressing plate (17) is installed at the bottom shaft end of the hoisting stand (11);
the clamping unit (16) comprises a rectangular frame (161), a rotating shaft (162), a compression spring (163), a connecting rod clamping jaw (164), a rotating wheel (165), a rocking wheel screw rod (166) and a linkage guide rod (167); the device is characterized in that the rectangular frame (161) is installed at the bottom shaft end of the auxiliary position crank connecting rod (15), a rotating shaft (162) is installed on the rectangular frame (161) through a bearing, the rotating shaft (162) penetrates through the inside of the connecting rod clamping jaw (164) in a sliding fit mode, compression springs (163) are respectively arranged on outer rings of shaft levers at two sides of the rotating shaft (162), the compression springs (163) are mutually abutted to the inner wall of the rectangular frame (161), the connecting rod clamping jaws (164) are symmetrically installed on the rectangular frame (161) through hinge pins, the connecting rod clamping jaws (164) are arranged in a vertically staggered mode, a rotating wheel (165) is installed at the inner shaft end of the connecting rod clamping jaw (164) through a bearing, the rotating wheel (165) is mutually abutted to the rocking wheel screw rod (166) in a rotating mode, and the rocking wheel screw rod (166) is installed on the rectangular frame (161) in a thread fit mode, the linkage guide rod (167) is arranged on the bottom end face of the rectangular frame (161).
2. A precision part sand casting process according to claim 1, characterized in that: the lifting steering mechanism (2) comprises an L-shaped main vertical support (20), a pushing cylinder (21), a straight plate (22), a lifting shaft lever (23), a main belt wheel (24), an auxiliary belt wheel (25), a motor (26) and a transmission belt (27); the L-shaped main vertical support (20) is arranged on the circular plate (4), the L-shaped main vertical support (20) is provided with a pushing cylinder (21) through a cylinder seat, an output shaft of the pushing cylinder (21) is provided with a straight plate (22) through a joint, a lifting shaft lever (23) is arranged at the shaft end of one side of the straight plate (22), the lifting shaft lever (23) is connected with the main belt wheel (24) in a rotating lifting way through a ball spline, the main belt wheel (24) is arranged on the L-shaped main vertical support (20) through a bearing, an auxiliary belt wheel (25) is arranged on the outer side of the main belt wheel (24), the secondary belt wheel (25) is arranged on the output shaft end of the motor (26) through a flange, the motor (26) is arranged on the L-shaped main vertical bracket (20) through a motor base, the main belt wheel (24) and the secondary belt wheel (25) are rotationally connected with each other through a transmission belt (27) arranged on an outer ring.
3. A precision part sand casting process according to claim 1, characterized in that: the actuating mechanism (3) comprises a main beam bracket (30), a circular slurry barrel (31) and a stirring impeller (32); girder support (30) install on plectane (4), girder support (30) on install circular thick liquid section of thick bamboo (31) through the bearing frame, evenly install impeller (32) through the bearing on the inside terminal surface of circular thick liquid section of thick bamboo (31), impeller (32) be the annular along the circumferencial direction of its circular thick liquid section of thick bamboo (31) and distribute.
4. A precision part sand casting process according to claim 1, characterized in that: the output shaft end of the rocking wheel screw rod (166) is in a conical design.
5. A precision part sand casting process according to claim 1, characterized in that: and a hexagonal hole is formed at the bottom shaft end of the linkage guide rod (167).
6. A precision part sand casting process according to claim 2, characterized in that: u-shaped grooves are uniformly formed in the lifting shaft lever (23) in the circumferential direction of the lifting shaft lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011473312.6A CN112589051A (en) | 2020-12-15 | 2020-12-15 | Precision part sand mold casting process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011473312.6A CN112589051A (en) | 2020-12-15 | 2020-12-15 | Precision part sand mold casting process |
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| CN112589051A true CN112589051A (en) | 2021-04-02 |
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| CN202011473312.6A Withdrawn CN112589051A (en) | 2020-12-15 | 2020-12-15 | Precision part sand mold casting process |
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| CN113478721A (en) * | 2021-07-21 | 2021-10-08 | 郑朝盛 | Preparation and forming process of porous elastic sponge |
| CN114535513A (en) * | 2022-01-04 | 2022-05-27 | 济南市平阴县玛钢厂 | Automatic slurry dipping and sand spraying system for sand shell preparation process |
| CN114888238A (en) * | 2022-05-30 | 2022-08-12 | 赵宝芝 | Precise casting process of silica sol fired mold |
| CN114535513B (en) * | 2022-01-04 | 2024-06-04 | 济南市平阴县玛钢厂 | Automatic slurry dipping and sand spraying system for sand shell preparation process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114535513B (en) * | 2022-01-04 | 2024-06-04 | 济南市平阴县玛钢厂 | Automatic slurry dipping and sand spraying system for sand shell preparation process |
| CN114888238A (en) * | 2022-05-30 | 2022-08-12 | 赵宝芝 | Precise casting process of silica sol fired mold |
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