CN108817330B - Stirring exhaust device for casting - Google Patents
Stirring exhaust device for casting Download PDFInfo
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- CN108817330B CN108817330B CN201810735021.6A CN201810735021A CN108817330B CN 108817330 B CN108817330 B CN 108817330B CN 201810735021 A CN201810735021 A CN 201810735021A CN 108817330 B CN108817330 B CN 108817330B
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- stirring
- casting
- heat insulating
- insulating board
- mounting hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
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Abstract
The invention discloses a stirring exhaust device for casting, which comprises a cover plate, a stirring kettle and a stirring shaft, wherein four stirring rollers are symmetrically welded and fixed at the bottom of the stirring shaft, a liquid outlet is formed in the bottom of an inner cavity of the stirring kettle, backing plates are symmetrically arranged on the left side and the right side of the outer wall of the stirring kettle, push plates are arranged on the left side and the right side of the backing plates far away from the stirring kettle, the backing plates and the push plates are fixed on the outer wall of the stirring kettle through bolts, slide blocks are machined at the bottoms of the left and the right push plates and are slidably arranged in a sliding groove of a shell, springs are arranged on the left and the right side of the slide blocks. According to the invention, through the vibration-stirring method, air in the casting liquid can be thoroughly removed, meanwhile, the contact between the casting liquid and the air in the casting process is avoided, the casting quality can be effectively improved, and the method is safer and more reliable compared with the method of using an air pump to extract air in the prior art.
Description
Technical Field
The invention relates to the technical field of casting equipment, in particular to a stirring exhaust device for casting.
Background
The casting method is a method of melting gold and silver into liquid state and casting them into ware by master mould, and is one of the earliest gold and silver processing methods. The casting is to cast the mixed slurry into a mould body, and a casting meeting the design requirement is formed after solidification. The casting process is already appeared in the end stage of the age of the neolithic utensils in China, and the original manufacturing process of the bronze ware is developed and matured due to the prosperity of the bronze ware.
In the casting process, air wrapped in casting liquid is one of important factors influencing the casting quality, so that the air in the casting liquid needs to be exhausted before casting.
Disclosure of Invention
In order to solve the problems proposed in the background art, the invention provides a stirring exhaust device for casting.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a casting is with stirring exhaust apparatus, includes apron, stirred tank and (mixing) shaft, (mixing) shaft bottom symmetric weld is fixed with four stirring rollers, the liquid outlet has been seted up to stirred tank inner chamber bottom, stirred tank outer wall bilateral symmetry is provided with the backing plate, controls the backing plate is kept away from the stirred tank side is provided with the push pedal, the backing plate with the push pedal passes through the bolt fastening and is in the stirred tank outer wall, controls the processing of push pedal bottom has the slider, slider slidable mounting is in the spout of casing, controls the slider is kept away from the stirred tank side is provided with the spring, the spring is also placed in the spout, the left side the push pedal left side is provided with the cam, the cam is installed.
As a further scheme of the invention, the stirring roller is a cylinder, and teeth are welded and fixed on the outer circumferential surface.
As a further scheme of the invention, the liquid outlet is a circular hole, and the aperture is 50-80 mm.
According to a further scheme of the invention, an upper heat insulation plate is arranged right below the liquid outlet, a horn mouth is formed in the top end of the upper heat insulation plate, an installation hole A is formed below the horn mouth, the horn mouth is communicated with the installation hole A, a lower heat insulation plate is arranged below the upper heat insulation plate, the upper heat insulation plate is slidably installed in a boss of the lower heat insulation plate, an installation hole B is formed in the lower heat insulation plate, the installation hole B extends backwards to form a pouring gate on the bottom end face of the lower heat insulation plate, a pouring pipe is installed in the installation hole A and the installation hole B, and the bottom end of the pouring pipe is flush with the pouring gate.
According to the further scheme, support plates are symmetrically arranged on the left and right sides of the bottom end face of the upper heat insulation plate, screws are fixedly welded to the bottom ends of the left support plate and the right support plate, the left screw and the right screw are respectively installed in the left screw hole and the right screw hole, the left screw hole and the right screw hole are formed in the lower heat insulation plate, the bottom ends of the left screw and the right screw are installed on the left transmission gear and the right transmission gear through keys, the left transmission gear and the right transmission gear are meshed with a driving gear, and.
As a further scheme of the invention, a driving chain wheel is arranged at the lower part of the driving shaft through a key, and a chain is arranged on the driving chain wheel.
Compared with the prior art, the invention has the beneficial effects that:
in the casting process, pouring casting liquid into the stirring kettle firstly, starting a motor, driving the stirring shaft to rotate to drive the stirring roller to fully stir the casting liquid, fully stirring and overflowing gas wrapped in the casting liquid by teeth on the outer circumferential surface of the stirring roller, driving the sliding block to slide left and right in the sliding chute in the stirring process to enable the casting liquid in the stirring kettle to vibrate while stirring, so that the stirring effect is more thorough, the gas wrapped in the casting liquid can thoroughly overflow, rotating the driving shaft after the vibration-stirring is completed to drive the left and right transmission gears to rotate, enabling the left and right screw rods to synchronously ascend by virtue of thread settings of the left and right screw rods and the left and right screw holes, jacking the upper temperature insulation plate finally, tightly attaching the horn mouth to the bottom end surface of the stirring kettle, and opening the liquid outlet at the moment, the casting liquid directly enters the pouring pipe and is finally cast into the mold from the pouring gate, and no air enters the casting pipe because the bell mouth is tightly attached to the bottom end face of the stirring kettle, so that the air content in the casting liquid is further reduced, and the quality of the casting is further improved. According to the invention, through the vibration-stirring method, air in the casting liquid can be thoroughly removed, meanwhile, the contact between the casting liquid and the air in the casting process is avoided, the casting quality can be effectively improved, and the method is safer and more reliable compared with the method of using an air pump to extract air in the prior art.
Drawings
FIG. 1 is a schematic structural view of a stirring and degassing apparatus for casting.
FIG. 2 is a schematic view showing the structure of a pouring tube in the stirring and degassing apparatus for casting.
FIG. 3 is a schematic structural view of a stirred tank in a stirring and degassing device for casting.
In the figure: 1-cover plate, 2-stirred tank, 3-stirred shaft, 4-stirred drum, 5-tooth, 6-liquid outlet, 7-backing plate, 8-push plate, 9-slide, 10-slide, 11-spring, 12-housing, 13-cam, 14-shaft, 15-upper thermal barrier, 16-bell mouth, 17-mounting hole A, 18-pouring tube, 19-lower thermal barrier, 20-boss, 21-mounting hole B, 22-support plate, 23-screw, 24-screw, 25-drive gear, 26-drive gear, 27-drive shaft, 28-drive sprocket, 29-chain, 30-gate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2 and 3, in the embodiment of the present invention, a stirring exhaust apparatus for casting includes a cover plate 1, a stirring tank 2 and a stirring shaft 3, four stirring rollers 4 are symmetrically welded and fixed at the bottom of the stirring shaft 3, the stirring rollers 4 are cylinders, teeth 5 are welded and fixed on the outer circumferential surface, a liquid outlet 6 is formed at the bottom of an inner cavity of the stirring tank 2, the liquid outlet 6 is a circular hole with a diameter of 50-80mm, backing plates 7 are symmetrically arranged on the outer wall of the stirring tank 2 in the left-right direction, push plates 8 are arranged on the left-right side of the backing plate 7 away from the stirring tank 2, the backing plate 7 and the push plates 8 are fixed on the outer wall of the stirring tank 2 through bolts, sliders 9 are processed at the bottoms of the left-right push plates 8, the sliders 9 are slidably mounted in a chute 10 of a housing 12, springs, the spring 11 is also placed in the sliding groove 10, a cam 13 is arranged on the left side of the push plate 8 on the left side, and the cam 13 is installed on a shaft 14;
an upper heat insulation plate 15 is arranged right below the liquid outlet 6, a bell mouth 16 is machined at the top end of the upper heat insulation plate 15, a mounting hole A17 is machined below the bell mouth 16, the bell mouth 16 is communicated with the mounting hole A17, a lower heat insulation plate 19 is arranged below the upper heat insulation plate 15, the upper heat insulation plate 15 is slidably mounted in a boss 20 of the lower heat insulation plate 19, a mounting hole B21 is machined on the lower heat insulation plate 19, the mounting hole B21 extends backwards to form a pouring gate 30 on the bottom end face of the lower heat insulation plate 19, a pouring pipe 18 is mounted in the mounting hole A17 and the mounting hole B21, and the bottom end of the pouring gate 30 is flush with the pouring gate;
the bottom end face of the upper heat insulation plate 15 is bilaterally symmetrically provided with supporting plates 22, the bottom ends of the left and right supporting plates 22 are fixedly welded with screws 23, the left and right screws 23 are respectively installed in the left and right screw holes 24, the left and right screw holes 24 are formed in the lower heat insulation plate 19, the bottom ends of the left and right screws 23 are installed on left and right transmission gears 25 through keys, and the left and right transmission gears 25 are both meshed with a driving gear 26; the driving gear 26 is mounted on a driving shaft 27 through a key, a driving sprocket 28 is mounted on the lower portion of the driving shaft 27 through a key, and a chain 29 is mounted on the driving sprocket 28.
The working principle of the invention is that in the casting process, casting liquid is poured into the stirring kettle 2, a motor is started, the stirring shaft 3 rotates to drive the stirring roller 4 to stir the casting liquid fully, teeth 5 on the outer circumferential surface of the stirring roller 4 can stir gas wrapped in the casting liquid fully to overflow, in the stirring process, the cam 13 rotates to drive the slide block 9 to slide left and right in the chute 10, so that the casting liquid in the stirring kettle 2 is stirred and vibrated at the same time, the stirring effect is more complete, the gas wrapped in the casting liquid can overflow thoroughly, after the vibration-stirring is finished, the driving shaft 27 is rotated to drive the left and right transmission gears 25 to rotate, the left and right screw rods 23 and the left and right screw holes 24 are provided with threads to enable the left and right screw rods 23 to ascend synchronously, and finally the upper heat insulation plate 15 is jacked up, the bell mouth 16 is tightly attached to the bottom end face of the stirring kettle 2, the liquid outlet 6 is opened at the moment, the casting liquid directly enters the pouring pipe 18 and is finally poured into the mold from the pouring gate 30, and no air enters the casting process due to the fact that the bell mouth 16 is tightly attached to the bottom end face of the stirring kettle 2, so that the air content in the casting liquid is further reduced, and the quality of castings is further improved. According to the invention, through the vibration-stirring method, air in the casting liquid can be thoroughly removed, meanwhile, the contact between the casting liquid and the air in the casting process is avoided, the casting quality can be effectively improved, and the method is safer and more reliable compared with the method of using an air pump to extract air in the prior art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A stirring exhaust device for casting comprises a cover plate (1), a stirring kettle (2) and a stirring shaft (3), and is characterized in that four stirring rollers (4) are symmetrically welded and fixed at the bottom of the stirring shaft (3), a liquid outlet (6) is formed in the bottom of an inner cavity of the stirring kettle (2), backing plates (7) are symmetrically arranged on the left and right of the outer wall of the stirring kettle (2), push plates (8) are arranged on the left and right sides of the backing plates (7) far away from the stirring kettle (2), the backing plates (7) and the push plates (8) are fixed on the outer wall of the stirring kettle (2) through bolts, sliders (9) are processed at the bottoms of the left and right push plates (8), the sliders (9) are slidably mounted in sliding grooves (10) of a shell (12), springs (11) are arranged on the left and right sides of the sliders (9) far away from the stirring kettle (2), and the springs (11, the left side push pedal (8) left side is provided with cam (13), cam (13) are installed on axle (14), be provided with heat insulating board (15) under liquid outlet (6), it has horn mouth (16) to go up heat insulating board (15) top processing, mounting hole A (17) have been processed to horn mouth (16) below, horn mouth (16) with mounting hole A (17) intercommunication, it is provided with down heat insulating board (19) to go up heat insulating board (15) below, it installs to go up heat insulating board (15) slidable mounting in boss (20) of heat insulating board (19) down, it has mounting hole B (21) to process on heat insulating board (19) down, mounting hole B (21) extend backward under heat insulating board (19) bottom face forms runner (30), pouring tube (18) are installed mounting hole A (17), in mounting hole B (21) and the bottom flush with runner (30), go up thermal-insulated board (15) bottom face bilateral symmetry and be provided with layer board (22), control layer board (22) bottom welded fastening has screw rod (23), controls screw rod (23) are installed respectively about in screw (24), control screw hole (24) are seted up down on thermal-insulated board (19), control screw rod (23) bottom is installed through the key about on drive gear (25), control drive gear (25) all mesh with driving gear (26), driving gear (26) are installed on driving shaft (27) through the key.
2. The stirring exhaust device for casting as claimed in claim 1, wherein the stirring roller (4) is cylindrical and has teeth (5) welded and fixed on its outer circumferential surface.
3. The stirring exhaust device for casting as claimed in claim 1, wherein the liquid outlet (6) is a circular hole with a diameter of 50-80 mm.
4. The stirring exhaust device for casting as claimed in claim 1, wherein a driving sprocket (28) is mounted on the lower portion of the driving shaft (27) through a key, and a chain (29) is mounted on the driving sprocket (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735021.6A CN108817330B (en) | 2018-07-06 | 2018-07-06 | Stirring exhaust device for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735021.6A CN108817330B (en) | 2018-07-06 | 2018-07-06 | Stirring exhaust device for casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108817330A CN108817330A (en) | 2018-11-16 |
| CN108817330B true CN108817330B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810735021.6A Active CN108817330B (en) | 2018-07-06 | 2018-07-06 | Stirring exhaust device for casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114749611B (en) * | 2022-03-16 | 2023-06-23 | 河南科技大学 | Shrinkage cavity device is prevented with foundry goods to hot working casting |
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| CN108817330A (en) | 2018-11-16 |
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