CN110961582A - Shell making raw material mixing and spraying equipment for investment casting - Google Patents
Shell making raw material mixing and spraying equipment for investment casting Download PDFInfo
- Publication number
- CN110961582A CN110961582A CN201911336096.8A CN201911336096A CN110961582A CN 110961582 A CN110961582 A CN 110961582A CN 201911336096 A CN201911336096 A CN 201911336096A CN 110961582 A CN110961582 A CN 110961582A
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- barrel body
- mixing
- spraying
- raw material
- investment casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
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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
- B22C9/04—Use of lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses shell-making raw material mixing and spraying equipment for investment casting, which comprises a mixing and spraying barrel body, a barrel body rotating mechanism and a feeding mechanism, wherein the mixing and spraying barrel body comprises a sand spraying opening of a feeding opening, the barrel body rotating mechanism comprises a rotating guide plate, a rotating motor and a speed reducer, and the feeding mechanism comprises a lifting machine and a feeding pipeline.
Description
Technical Field
The invention relates to the technical field of special casting equipment, in particular to shell-making raw material mixing and spraying equipment for investment casting.
Background
The investment casting is also called lost wax casting, and comprises the procedures of wax pressing, wax trimming, tree forming, slurry dipping, wax melting, molten metal casting, post-treatment and the like.
After the wax pattern is stained with the thick liquid, the wax pattern stained with the thick liquid needs to be timely sprayed with sand and coated with sand, the slurry staining and the sand spraying are frequently repeated for many times, the sand spraying operation is usually carried out in a manual mode, sand materials are uniformly sprayed on the wax pattern in the manual mode, the operation has high requirements on the technical level and the proficiency of operators, otherwise, the sand spraying uniformity is affected, the follow-up shell manufacturing is affected, the wax pattern scrapping is caused due to the fact that the operator cannot pay attention to the fact accidental injury, and the labor intensity is high.
Disclosure of Invention
Aiming at the problems, the invention discloses shell making raw material mixing and spraying equipment for investment casting.
The specific technical scheme is as follows:
the shell-making raw material mixing and spraying equipment for investment casting comprises a mixing and spraying barrel body, a barrel body rotating mechanism and a feeding mechanism, and is characterized in that the mixing and spraying barrel body is in a hollow ellipsoidal shape, the long axis of the ellipsoidal shape is horizontal, two horizontal ends of the mixing and spraying barrel body are opened and are respectively a sand spraying opening of a feeding port, the barrel body rotating mechanism comprises a rotating guide plate, a rotating motor and a speed reducer, and the feeding mechanism comprises a lifting machine and a feeding pipeline;
the middle part of the outer wall of the mixed spraying barrel body is fixedly provided with a circle of tooth openings which are annularly surrounded, two sides of each tooth opening are provided with symmetrical guide rings, the guide rings are fixedly arranged on the outer wall of the mixed spraying barrel body and are annularly shaped, the cross sections of the guide rings are in a convex shape, the guide rings are symmetrically arranged around the tooth openings, and a plurality of material grooves are uniformly distributed on the inner wall of the mixed spraying barrel body;
the rotary guide plate is vertically arranged, the lower end of the rotary guide plate is fixedly riveted with the ground, the upper end of the rotary guide plate is provided with a guide interface groove, the guide interface groove is in a circular arc shape and is in one-to-one correspondence with the guide rings, the section of the guide interface groove is in a concave shape and is matched with the guide rings, rollers are arranged in the groove and at the notch of the guide interface groove, the rollers are arranged at intervals and are uniformly distributed, the rotary motor and the speed reducer are arranged between the rotary guide plates and below the mixed spraying barrel body, the rotary motor is connected with the input end of the speed reducer, the output end of the speed reducer is meshed with the tooth mouth through a gear, and the mixed spraying barrel body is rotatably arranged on the rotary guide plate;
the lifting machine sets up in one side of charge-in pipeline, charge-in pipeline passes through the support fixed set up in mixing one side of drenching the staving, and charge-in pipeline top-down is feeding section, interlude and ejection of compact section in proper order, the feeding section communicates with the discharge gate of lifting machine, ejection of compact section and the feed inlet intercommunication of mixing the staving of drenching, be equipped with driving motor on the interlude, the vertical setting of driving motor, the vertical orientation of its transmission shaft to connect the main shaft, evenly be equipped with a plurality of sticks of beating on the main shaft.
The shell-making raw material mixing and spraying equipment for investment casting is characterized in that the feeding section and the discharging section are obliquely arranged.
The shell-making raw material mixed spraying equipment for investment casting is characterized in that a material pipe in a reducing shape is arranged at a material inlet of the mixed spraying barrel body and is communicated with a material outlet section.
The above apparatus for mixing and spraying shell-making raw material for investment casting is characterized in that the arc-shaped angle of the guide interface slot is at least 120 °.
The shell-making raw material mixing and spraying equipment for investment casting is characterized in that the middle section is vertically arranged.
Foretell shell making raw materials mixes drenches equipment for investment casting, wherein, a plurality of the silo is the circumference equipartition along mixing the inner wall of drenching the staving.
The invention has the beneficial effects that:
the invention discloses shell-making raw material mixing and spraying equipment for investment casting, which comprises a mixing and spraying barrel body, a barrel body rotating mechanism and a feeding mechanism, wherein the mixing and spraying barrel body comprises a sand spraying opening of a feeding opening, the barrel body rotating mechanism comprises a rotating guide plate, a rotating motor and a speed reducer, and the feeding mechanism comprises a lifting machine and a feeding pipeline.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a cross-sectional view of the present invention.
FIG. 3 is a sectional view of the connection of the guide ring and the rotary guide plate.
FIG. 4 is a cross-sectional view of the shower mixing barrel.
Detailed Description
In order to make the technical solution of the present invention clearer and clearer, the present invention is further described below with reference to embodiments, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.
The shell-making raw material mixed spraying equipment for investment casting comprises a mixed spraying barrel body 30, a barrel body rotating mechanism 31 and a feeding mechanism 32, and is characterized in that the mixed spraying barrel body 30 is in a hollow ellipsoidal shape, the ellipsoidal major axis of the mixed spraying barrel body is horizontal, two horizontal ends of the mixed spraying barrel body 30 are opened, and are respectively a sand spraying opening 34 of a feeding hole 33, the barrel body rotating mechanism 31 comprises a rotary guide plate 35, a rotary motor 36 and a speed reducer 37, and the feeding mechanism 32 comprises a lifting machine 38 and a feeding pipeline 39;
a circle of tooth openings 40 are fixedly arranged in the middle of the outer wall of the mixed spraying barrel body 30, the tooth openings 40 are annularly surrounded, two sides of each tooth opening 40 are provided with symmetrical guide rings 41, the guide rings 41 are fixedly arranged on the outer wall of the mixed spraying barrel body 30 and are annular, the cross sections of the guide rings 41 are in a convex shape, the guide rings 41 are symmetrically arranged around the tooth openings 40, and a plurality of material grooves 42 are uniformly distributed on the inner wall of the mixed spraying barrel body 30;
the rotary guide plate 35 is vertically arranged, the lower end of the rotary guide plate is fixedly riveted with the ground, the upper end of the rotary guide plate is provided with a guide interface groove 43, the guide interface groove 43 is arc-shaped and corresponds to the guide rings 41 one by one, the section of the guide interface groove 43 is concave and is matched with the guide rings 41, rollers 44 are arranged in the groove and at the notch of the guide interface groove 43, the rollers 44 are arranged at intervals and are uniformly distributed, the rotary motor 36 and the speed reducer 37 are arranged between the rotary guide plates 35 and below the mixed spraying barrel body 30, the rotary motor 36 is connected with the input end of the speed reducer 37, the output end of the speed reducer 37 is meshed with the tooth opening 40 through a gear, the mixed spraying barrel body 30 is rotatably arranged on the rotary guide plate 35 through the guide rings 41 and is driven to rotate through the;
The feeding section 45 and the discharging section 47 are both obliquely arranged, a material pipe 51 in a necking shape is arranged at the feeding hole 33 of the mixing and sprinkling barrel body 30, and the material pipe 51 is communicated with the discharging section 47;
the arc-shaped angle of the guide interface slot 43 is at least 120 degrees, the middle section 46 is vertically arranged, and the plurality of material slots 42 are circumferentially and uniformly distributed along the inner wall of the mixing and sprinkling barrel body 30.
The shell-making raw material mixed spraying equipment for investment casting is used for sand spraying operation after a wax pattern is stained with slurry;
when the wax pattern spraying machine is used, the wax pattern which is completely dipped is sent into the mixed spraying barrel body from the sand spraying opening through the mechanical arm, and the wax pattern is continuously rotated; at the moment, the rotating motor is started, the mixed spraying barrel body is driven to rotate along the horizontal axial direction through the speed reducer and the tooth openings, and when the mixed spraying barrel body rotates, the mixed spraying barrel body is guided through the rotating guide plate and the guide ring, so that the rotating axial direction is stable; the rotating mixed spraying barrel body drives the material groove in the barrel body to move circumferentially, drives the sand material (quartz sand) of the mixed spraying barrel body to move upwards, and uniformly spreads the sand material on the wax mold;
the sand material of the mixed sprinkling barrel body is supplied by the feeding mechanism, the elevator sends the sand material to the feeding pipeline, the sand material entering the feeding pipeline sequentially passes through the feeding section, the middle section and the discharging section, when the sand material passes through the middle section, the driving motor drives the main shaft to rotate so as to drive the beating stick to rotate, the sand material is beaten, caking possibly existing in the sand material is broken up, and the sand material caking is prevented from entering the mixed sprinkling barrel body and causing adverse influence on a sand sprinkling effect;
in conclusion, the sand spraying device is simple in structure and reasonable in design, replaces a manual sand spraying mode of transmission, and uniformly spreads sand on the wax mold through the rotating mixed spraying barrel body, so that the sand spraying efficiency and uniformity are greatly improved, and the shell manufacturing efficiency and quality of investment casting are improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The shell-making raw material mixing and spraying equipment for investment casting comprises a mixing and spraying barrel body, a barrel body rotating mechanism and a feeding mechanism, and is characterized in that the mixing and spraying barrel body is in a hollow ellipsoidal shape, the long axis of the ellipsoidal shape is horizontal, two horizontal ends of the mixing and spraying barrel body are opened and are respectively a sand spraying opening of a feeding port, the barrel body rotating mechanism comprises a rotating guide plate, a rotating motor and a speed reducer, and the feeding mechanism comprises a lifting machine and a feeding pipeline;
the middle part of the outer wall of the mixed spraying barrel body is fixedly provided with a circle of tooth openings which are annularly surrounded, two sides of each tooth opening are provided with symmetrical guide rings, the guide rings are fixedly arranged on the outer wall of the mixed spraying barrel body and are annularly shaped, the cross sections of the guide rings are in a convex shape, the guide rings are symmetrically arranged around the tooth openings, and a plurality of material grooves are uniformly distributed on the inner wall of the mixed spraying barrel body;
the rotary guide plate is vertically arranged, the lower end of the rotary guide plate is fixedly riveted with the ground, the upper end of the rotary guide plate is provided with a guide interface groove, the guide interface groove is in a circular arc shape and is in one-to-one correspondence with the guide rings, the section of the guide interface groove is in a concave shape and is matched with the guide rings, rollers are arranged in the groove and at the notch of the guide interface groove, the rollers are arranged at intervals and are uniformly distributed, the rotary motor and the speed reducer are arranged between the rotary guide plates and below the mixed spraying barrel body, the rotary motor is connected with the input end of the speed reducer, the output end of the speed reducer is meshed with the tooth mouth through a gear, and the mixed spraying barrel body is rotatably arranged on the rotary guide plate;
the lifting machine sets up in one side of charge-in pipeline, charge-in pipeline passes through the support fixed set up in mixing one side of drenching the staving, and charge-in pipeline top-down is feeding section, interlude and ejection of compact section in proper order, the feeding section communicates with the discharge gate of lifting machine, ejection of compact section and the feed inlet intercommunication of mixing the staving of drenching, be equipped with driving motor on the interlude, the vertical setting of driving motor, the vertical orientation of its transmission shaft to connect the main shaft, evenly be equipped with a plurality of sticks of beating on the main shaft.
2. The investment casting shell-making raw material mixing and sprinkling apparatus of claim 1, wherein the feeding section and the discharging section are both obliquely arranged.
3. The investment casting shell-making raw material mixing and sprinkling device as claimed in claim 2, wherein a throat-shaped material pipe is arranged at the feed inlet of the mixing and sprinkling barrel body, and the material pipe is communicated with the discharge section.
4. The apparatus for mixing and showering investment casting shell-making raw material according to claim 3, wherein the angle of the arc shape of the guiding interface slot is at least 120 °.
5. The apparatus for mixing and sprinkling investment casting shell-making raw material according to claim 3 or 4, wherein the intermediate section is vertically disposed.
6. The mixing and sprinkling apparatus for a shell-making raw material for investment casting according to claim 5, wherein a plurality of the troughs are circumferentially distributed along the inner wall of the mixing and sprinkling barrel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336096.8A CN110961582A (en) | 2019-12-23 | 2019-12-23 | Shell making raw material mixing and spraying equipment for investment casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336096.8A CN110961582A (en) | 2019-12-23 | 2019-12-23 | Shell making raw material mixing and spraying equipment for investment casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110961582A true CN110961582A (en) | 2020-04-07 |
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ID=70035799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911336096.8A Pending CN110961582A (en) | 2019-12-23 | 2019-12-23 | Shell making raw material mixing and spraying equipment for investment casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110961582A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077263A (en) * | 2020-09-18 | 2020-12-15 | 阳信东泰精密金属有限公司 | Automatic shell making raw material mixing and spraying equipment for investment pattern manufacturing |
| CN116372116A (en) * | 2023-05-05 | 2023-07-04 | 南京优耐特精密机械制造有限公司 | Wax pattern sand spraying device for wax pattern casting and sand spraying method thereof |
-
2019
- 2019-12-23 CN CN201911336096.8A patent/CN110961582A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077263A (en) * | 2020-09-18 | 2020-12-15 | 阳信东泰精密金属有限公司 | Automatic shell making raw material mixing and spraying equipment for investment pattern manufacturing |
| CN116372116A (en) * | 2023-05-05 | 2023-07-04 | 南京优耐特精密机械制造有限公司 | Wax pattern sand spraying device for wax pattern casting and sand spraying method thereof |
| CN116372116B (en) * | 2023-05-05 | 2023-11-21 | 南京优耐特精密机械制造有限公司 | Wax pattern sand spraying device for wax pattern casting and sand spraying method thereof |
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